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Sample records for acrocomia aculeata palmae

  1. Food Value of Mealworm Grown on Acrocomia aculeata Pulp Flour.

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    Ariana Vieira Alves

    Full Text Available Insects have played an important role as human food throughout history, especially in Africa, Asia and Latin America. A good example of edible insects is the mealworm, Tenebrio molitor Linnaeus, 1758 (Coleoptera, Tenebrionidae, which are eaten in Africa, Asia, the Americas and Australia. This species is easily bred in captivity, requiring simple management. The bocaiuva (Acrocomia aculeata (Jacq. Lodd is an abundant palm tree found in the Brazilian Cerrado, providing fruits with high nutritional value. The aim of this work was to determine the chemical composition of T. molitor grown in different artificial diets with bocaiuva pulp flour. The nutritional composition, fatty acid composition, antioxidant activity, trypsin activity and anti-nutritional factors of larvae were analyzed. The results showed that mealworms grown on artificial diet with bocaiuva are a good source of protein (44.83% and lipid (40.45%, with significant levels of unsaturated fatty acids (65.99%, antioxidant activity (4.5 μM Trolox/g of oil extracted from larvae and absence of anti-nutritional factors. This study indicates a new source of biomass for growing mealworms and shows that it is possible to breed mealworms in artificial diet with bocaiuva flour without compromising the nutritional quality of the larvae.

  2. Food Value of Mealworm Grown on Acrocomia aculeata Pulp Flour.

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    Alves, Ariana Vieira; Sanjinez-Argandoña, Eliana Janet; Linzmeier, Adelita Maria; Cardoso, Claudia Andrea Lima; Macedo, Maria Lígia Rodrigues

    2016-01-01

    Insects have played an important role as human food throughout history, especially in Africa, Asia and Latin America. A good example of edible insects is the mealworm, Tenebrio molitor Linnaeus, 1758 (Coleoptera, Tenebrionidae), which are eaten in Africa, Asia, the Americas and Australia. This species is easily bred in captivity, requiring simple management. The bocaiuva (Acrocomia aculeata (Jacq.) Lodd) is an abundant palm tree found in the Brazilian Cerrado, providing fruits with high nutritional value. The aim of this work was to determine the chemical composition of T. molitor grown in different artificial diets with bocaiuva pulp flour. The nutritional composition, fatty acid composition, antioxidant activity, trypsin activity and anti-nutritional factors of larvae were analyzed. The results showed that mealworms grown on artificial diet with bocaiuva are a good source of protein (44.83%) and lipid (40.45%), with significant levels of unsaturated fatty acids (65.99%), antioxidant activity (4.5 μM Trolox/g of oil extracted from larvae) and absence of anti-nutritional factors. This study indicates a new source of biomass for growing mealworms and shows that it is possible to breed mealworms in artificial diet with bocaiuva flour without compromising the nutritional quality of the larvae.

  3. Genomic DNA isolation of Acrocomia aculeata (Arecaceae) from leaf and stipe tissue samples for PCR analysis.

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    Lanes, E C M; Nick, C; Kuki, K N; Freitas, R D; Motoike, S Y

    2013-09-23

    Macaw palm, Acrocomia aculeata is an oleaginous species of the Arecaceae family; it has been identified as one of the most promising plants for sustainable production of renewable energy, especially biodiesel. We developed an efficient protocol of genomic DNA extraction for A. aculeata using leaf and stipe tissues, based on the cationic hexadecyltrimethylammonium bromide method, and we evaluated the quantity, purity, and integrity of the resultant DNA. We also determined whether these procedures interfere with PCR amplification using SSR molecular markers. The lowest concentration of DNA was obtained from stipe tissues (135 ng/μL), while fresh leaf tissues provided the highest concentration of DNA (650 ng/μL). Good quality DNA was obtained from fresh leaf, lyophilized leaf, and stipe tissues (relative purity, 1.79-1.89 nm). Differences in quantity and quality of DNA extracted from different tissues did not interfere with general patterns of PCR amplification based on SSR markers.

  4. Genetic diversity in populations of Acrocomia aculeata (Arecaceae) in the northern region of Minas Gerais, Brazil.

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    Oliveira, D A; Melo Júnior, A F; Brandão, M M; Rodrigues, L A; Menezes, E V; Ferreira, P R B

    2012-03-08

    Macaúba (Acrocomia aculeata) is a palm of economic importance, widely distributed in natural forests from Mexico to Uruguay. We analyzed the genetic diversity of populations of macaúba (A. aculeata) in the northern region of the State of Minas Gerais, Brazil. Young leaves from 10 macaúba individuals encompassing 49 genotypes of macaúba were collected from Montes Claros, Itacambira, Brasília de Minas, Mirabela, and Grão Mogol. After extraction and amplification of samples, the amplified fragments were separated by electrophoresis. We found high levels of genetic diversity within the populations. Genetic diversity indices were high, except in the Itacambira and Mirabela populations. Results show that Mirabela and Itacambira populations can require conservation strategies because they present lower values of genetic diversity.

  5. Efecto de la Refinación Física Sobre el Aceite de la Almendra del Corozo (Acrocomia aculeata Effect of Physical Refining on the Oil of the Corozo’s Kernel (Acrocomia aculeata

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    Carlos Hernández

    2007-01-01

    Full Text Available El objetivo principal fue evaluar el efecto de la refinación física sobre las características del aceite de la almendra del fruto de la palma corozo (Acrocomia aculeata. La metodología se inició con un plan de muestreo que permitió obtener una muestra representativa del fruto del lugar de estudio. Se extrajo el aceite utilizando la operación de prensado en frío, luego se realizó una refinación física que consistió en un desgomado, blanqueado, desodorizado y desacidificación. Al aceite crudo y refinado se le determinó el perfil de ácidos grasos. En la etapa de desacidificación y desodorización el índice de peróxido fue de 1,974 miliequivalente de O2 kg-1 de aceite. El grado de acidez determinado como ácido oleico para el aceite crudo y refinado fue de 0,620 y 0,100%, respectivamente. La refinación física aplicada redujo el olor y el grado de acidez de forma apreciable, pudiéndose recomendar para la purificación de este aceite.The principal objective was to evaluate the effect of the physical refining on the characteristics in the oil of the corozo’s palm kernel fruit (Acrocomia aculeata. The methodology, it began with a plan of sampling that allowed to obtain a representative sample of the fruit of the place of study. The oil was extracted using the operation of pressing in cold, then there was realized a physical refining that consisted of a degumming, bleaching, deodorized and desacidification. To the raw and refined oil there decided the profile of oily acids. In the stage of desacidification and deodorized the index of peroxide was of 1,974 miliequivalent of O2 kg-1 of oil. The degree of acidity determined as acid oleic for the raw and refined oil was of 0,620 and 0,100%, respectively. The physical refining applied reduced the smell and the degree of acidity of valuable form, being able to be recommended for the purification of this oil.

  6. GENE FLOW AS A GENETIC HOMOGENIZATION EVENT BETWEEN POPULATIONS OF ACROCOMIA ACULEATA (JACQ.) LODD. EX MART AND A. TOTAI MART (ARECACEAE)

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    Technical Abstract The taxonomy of species of the genus Acrocomia (Arecaceae) is unclear. Some authors recognize two species: the caulescent Acrocomia aculeata and the acaulescent A. hassleri (Barb. Rodr.) W. J. Hahn; while others in recognition of the high phenotypic diversity assume the presence o...

  7. Assessment of the cytotoxic, genotoxic, and mutagenic potential of Acrocomia aculeata in rats.

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    Traesel, G K; Castro, L H A; Silva, P V B; Muzzi, R M; Kassuya, C A L; Arena, A C; Oesterreich, S A

    2015-01-26

    Acrocomia aculeata (Jacq.) Lodd. ex Mart. is a plant species commonly used as a foodstuff and also for treating diseases, since it contains high concentrations of antioxidant compounds and monounsaturated fatty acids. Considering its ethnopharmacological relevance, the aim of the present study was to assess the cytotoxic, genotoxic, and mutagenic effects of an oil extracted from the pulp of A. aculeata (OPAC) in rats. In addition, a chromatographic characterization of the fatty acids present in OPAC was performed. Male and female Wistar rats were treated orally with 125, 250, 500, 1000, or 2000 mg/kg/body weight OPAC. The effects of OPAC ingestion were determined by performing the comet assay and micronucleus test. The comet assay data demonstrated that OPAC did not increase the frequency or rate of DNA damage in groups treated with any of the concentrations assessed compared to that in the negative control group. In the micronucleus test, the animals treated did not exhibit any cytotoxic or mutagenic changes in peripheral blood erythrocytes. The results demonstrated that OPAC did not exhibit cytotoxic, genotoxic, or mutagenic effects in Wistar rats, thereby increasing the evidence for the safety of oil extracted from this plant.

  8. Diuretic and Anti-Inflammatory Activities of the Microencapsulated Acrocomia aculeata (Arecaceae) Oil on Wistar Rats.

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    Lescano, Caroline Honaiser; Iwamoto, Renan Donomae; Sanjinez-Argandoña, Eliana Janet; Kassuya, Cândida Aparecida Leite

    2015-06-01

    Acrocomia aculeata, popularly known as "bocaiuva," is widely acknowledged in culinary and traditional medicines to treat cardiovascular diseases, a combined effect with diuretics that are also used for hypertension. However, there are no scientific data published to support its use as functional food and its ethnopharmacological use. This study intended to determine the composition of fatty acids of the pulp oil and evaluate the diuretic action and anti-inflammatory activity of the in natura and microencapsulated oil orally administrated on rats. The obtained results confirm the prevalence of monounsaturated fatty acids (68.51%), especially oleic acid (65.68%±1.05%), in the oil from the bocaiuva pulp. The in natura A. aculeata oil has diuretic (P<.01) and anti-inflammatory potential, which promoted a marked inhibition on the hind paw edema induced by carrageenan (67%±7% after 2 h) (P<.01). In addition, results show that the oral administration of the bocaiuva oil at 300 (P<.05) and 700 (P<.05) mg/kg doses significantly inhibited the leukocyte migration induced by carrageenan to the pleural cavity in rats. The inhibitions equaled 91%±3% and 81%±16%, respectively. The microencapsulated oil also showed antiedematogenic (P<.01) as well as diuretic activities (P<.01). The microencapsulation by complex coacervation was shown to be a technique that favors the bioavailability and preservation of bioactive components of the bocaiuva oil.

  9. Qualidade nutricional da polpa de bocaiúva Acrocomia aculeata (Jacq. Lodd. Nutritional quality of the pulp of bocaiuva Acrocomia aculeata (Jacq. Lodd.

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    Maria Isabel Lima Ramos

    2008-12-01

    Full Text Available Com o objetivo de incentivar o consumo e o aproveitamento de alimentos oriundos do Cerrado Brasileiro, foram determinados os teores de umidade, lipídios totais, proteínas, carboidratos, cinzas, fibra, minerais e os principais carotenóides da polpa de bocaiúva, Acrocomia aculeata (Jacq. Lodd. A porção comestível do fruto (polpa e amêndoa representou aproximadamente a metade do peso total do fruto. A polpa apresentou 52,99% de umidade, 8,14% de lipídios totais, 1,5% de proteínas, 22,08% de carboidratos, 1,51% de cinzas e 13,76% de fibra. O valor energético foi estimado em 167,67 kcal.100 g-1 de polpa úmida, o qual mostrou-se superior ao de outros frutos da região Centro-Oeste. Entre os minerais avaliados, a maior concentração foi a do potássio (766,37 ± 18,36 mg.100 g-1, seguida do cálcio (61,96 ± 2,30 mg.100 g-1 e do fósforo (36,70 mg.100 g-1. Relacionando-se os resultados de minerais às IDR de referências dos mesmos, a polpa de bocaiúva pode ser classificada como rica em cobre para crianças, como fonte de zinco e potássio para crianças e como fonte de cobre e potássio para adultos. A polpa mostrou-se rica em β-caroteno (49,0 ± 2,0 µg.g-1 de polpa integral, principal carotenóide identificado no fruto analisado, podendo contribuir com o enriquecimento da dieta regional em programas de suplementação alimentar, como uma fonte natural desse nutriente e dos minerais cobre, potássio e zinco.With the aim at stimulating the consumption of natural food from the Brazilian Cerrado (vast tropical savanna ecoregion of Brazil, the contens of moisture, lipid, protein, carbohydrate, ash, fiber, minerals, and main carotenoids were determinated in the bocaiuva Acrocomia aculeata (Jacq. Lodd. pulp. The edible portion of the fruit (pulp and kernel corresponded to 50% of the whole fruit. The pulp presented 52.99% of moisture, 8.14% of total lipids, 1.5% of protein, 22.08% of carbohydrates, 1.51% of ash, and 13.76% of fiber. The

  10. Enzyme activity and reserve mobilization during Macaw palm ( Acrocomia aculeata seed germination

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    Elisa Monteze Bicalho

    2016-01-01

    Full Text Available ABSTRACT Reserve mobilization in seeds occurs after visible germination, which is marked by the protrusion of the radicle or cotyledonary petiole, as in species of Arecaceae. Acrocomia aculeata (macaw palm, usually produces hard seeds whose endosperm has mannan-rich cell walls. We investigated the composition of storage compounds in macaw palm seed and the roles of two enzymes (endo-β-mannanase, α-galactosidase during and after germination. The seeds were firstly submitted to pre-established protocol to overcome dormancy and promote germination. Enzyme activity in both embryo and endosperm were assayed from the initiation of germinative activities until leaf sheath appearance, and the status of seed structures and reserve compounds were evaluated. Protein content of the embryo decreased with the initiation of imbibition while the lipid content began decreasing six days after removal of the operculum. Increases in enzyme activity and starch content were both observed after visible germination. We suggest that endo-β-mannanase and α-galactosidase become active immediately at germination, facilitating haustorium expansion and providing carbohydrates for initial seedling development. Protein is the first storage compound mobilized during early imbibition, and the observed increase in the starch content of the haustorium was related to lipid degradation in that organ and mannan degradation in the adjacent endosperm.

  11. Chemical Composition and Food Potential of Pachymerus nucleorum Larvae Parasitizing Acrocomia aculeata Kernels.

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    Ariana Vieira Alves

    Full Text Available Insect consumption as food is culturally practiced in various regions of the world. In Brazil, there are more than 130 species of edible insects registered, from nine orders, among which stands out the Coleoptera. The larva of the beetle Pachymerus nucleorum Fabricius, 1792, grows into the bocaiuva fruit (Acrocomia aculeata (Jacq. Lodd. Ex Mart., 1845, which has proven nutritional quality. The aim of this work was to evaluate the nutritional potential of P. nucleorum larvae compared to bocaiuva kernels for human consumption. Proteins were the second largest portion of the larvae nutritional composition (33.13%, with percentage higher than the bocaiuva kernels (14.21%. The larval lipid content (37.87% was also high, very close to the kernels (44.96%. The fraction corresponding to fatty acids in the oil extracted from the larvae was 40.17% for the saturated and 46.52% for the unsaturated. The antioxidant activity value was 24.3 uM trolox/g of oil extracted from larvae. The larvae tryptic activity was 0.032±0.006 nmol BAPNA/min. Both the larvae and the bocaiuva kernel presented absence of anti-nutritional factors. These results favor the use of P. nucleorum larvae as food, which are a great protein and lipid sources with considerable concentrations of unsaturated fatty acids compared to the bocaiuva kernel.

  12. Development of agroclimatic zoning model to delimit the potential growing areas for macaw palm (Acrocomia aculeata)

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    Falasca, Silvia; Ulberich, Ana; Pitta-Alvarez, Sandra

    2016-07-01

    The growing biodiesel production requires the use of new technologies and alternative feedstocks to maintain the growing demand of this biofuel. The macaw (Acrocomia aculeata) is a palm native to Argentina whose fruits present high oil content. Due to its tolerance to prolonged drought, it is a promising crop for biodiesel and biokerosene production. The aim of this work was to design an agroclimatic zoning model to define the potential growing areas from macaw in Argentina. To define the agroclimatic suitability to produce oil, it was necessary to identify the requirements, limits, and biometeorological tolerance for this palm. In order to define the agroclimatic fitness of this crop in Argentina, the meteorological data corresponding to the period 1981-2010 were employed. The agroclimatic indices were integrated in a Geographic Information System. The maps were superimposed and the overlapping regions delineated the agroclimatic zoning. The agroclimatic zonation classified zones with homogeneous characteristics responding to bioclimatic requirements of this species, resulting in optimal, very suitable, suitable, and nonsuitable areas for macaw cultivation. The authors designed an agroclimatic zoning model based on bibliography. This model can be used in any part of the world, employing the same agroclimatic indices presented in this work.

  13. Molecular characterization and population structure of the macaw palm, Acrocomia aculeata (Arecaceae), ex situ germplasm collection using microsatellites markers.

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    Lanes, Éder C M; Motoike, Sérgio Y; Kuki, Kacilda N; Nick, Carlos; Freitas, Renata D

    2015-01-01

    The Acrocomia aculeata is one of the most promising plants for sustainable production of renewable energy. In order to understand patterns of the distribution of the allelic diversity of A. aculeata ex situ germplasm collection, the present study investigated the hypothesis that the genetic variability of the accessions may match their geographical origin. A genotypic analysis of 77 A. aculeata accessions was conducted with 6 simple sequence repeat markers. A high degree of molecular diversity among the accessions was found, with an average of 9 alleles per locus and a polymorphic information content with a mean of 0.76. A total of 4 clusters was identified by the Bayesian analysis of population structure. The highest subpopulation diversity was identified in Pop1, mainly formed by accessions from State of Mato Grosso do Sul. The populations Pop2A, Pop2B, and Pop2C, all from the State of Minas Gerais, showed high genetic variability as determined by a higher F st, and a wide genetic variance, which were identified within and among the population by analysis of molecular variance. Based on our results and on Vavilov's theory on crop origins, one possible diversity center for A. aculeata is proposed to be in a region in southeast Brazil.

  14. Characterization of the pulp and kernel oils from Syagrus oleracea, Syagrus romanzoffiana, and Acrocomia aculeata.

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    Coimbra, Michelle Cardoso; Jorge, Neuza

    2011-10-01

    Vegetable oils are important sources of essential fatty acids. It is, therefore, important to characterize plant species that can be used as new oil sources. This study aimed to characterize the oils from guariroba (Syagrus oleracea), jerivá (Syagrus romanzoffiana), and macaúba (Acrocomia aculeata). The physicochemical characterization was performed using official analytical methods for oils and fats, free fatty acids, peroxide value, refractive index, iodine value, saponification number, and unsaponifiable matter. The oxidative stability was determined using the Rancimat at 110 °C. The fatty acid composition was performed by gas chromatography. The results were submitted to Tukey's test for the medium to 5% using the ESTAT program. The pulp oils were more unsaturated than kernel oils, as evidenced by the higher refractive index and iodine value, especially the macaúba pulp oil which gave 1.4556 and 80 g I(2) /100 g, respectively, for these indices. The kernel oils were less altered by oxidative process and had high induction period, free fatty acids below 0.5%, and peroxide value around 0.19 meq/kg. The guariroba kernel oil showed the largest induction period, 91.82 h. Practical Application:  The vegetable oils, besides being consumed directly as food, are important raw material for the chemical, pharmaceutical, and food industries. In recent years, the world market of vegetable oils has been characterized by stronger growth of demand over supply. Several species of palm trees are shown to be promising sources of oils. The characterization of oils extracted from some species, such as guariroba, jerivá, and macaúba, has not yet been fully elucidated. For this reason, it becomes important to investigate the physicochemical characterization of these oils, aiming at a possible use in food or in the industry.

  15. Fruit development, growth, and stored reserves in macauba palm (Acrocomia aculeata), an alternative bioenergy crop.

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    Montoya, Sebastián Giraldo; Motoike, Sérgio Yoshimitsu; Kuki, Kacilda Naomi; Couto, Adriano Donato

    2016-10-01

    Main conclusion Macauba palm fruiting is supra-annual, and the fruit growth follows a double sigmoidal trend. The prevailing compound in the mesocarp differs as the fruit ages, oil being the major storage compound. Acrocomia aculeata, macauba palm, is a conspicuous species in the tropical Americas. Because the species is highly productive in oil-rich fruits, it is the subject of domestication as an alternative vegetable oil crop, especially as a bioenergy feedstock. This detailed study first presents the macauba fruit growth and development patterns, morphological changes and accumulation of organic compounds. Fruits were monitored weekly in a natural population. The fruiting was supra-annual, and the fruit growth curve followed a double sigmoidal trend with four stages (S): SI-slow growth and negligible differentiation of the fruit inner parts; SII-first growth spurt and visible, but not complete, differentiation of the inner parts; SIII-growth slowed down and all structures attained differentiation; and SIV-second growth spurt and fruit maturation. In SII, the exocarp and endocarp were the main contributors to fruit growth, whereas the mesocarp and endosperm were responsible for most of the weight gain during SIV. In comparison with starch and oil, soluble sugars did not accumulate in the mesocarp. However, starch was transitory and fueled the oil synthesis. The protective layers, the exocarp and endocarp, fulfilling their ecological roles, were the first to reach maturity, followed by the storage tissues, the mesocarp, and endosperm. The amount and nature of organic compounds in the mesocarp varied with the fruit development and growth stages, and oil was the main and final storage material. The description of macauba fruit's transformations and their temporal order may be of importance for future ecological and agronomical references.

  16. Microbial growth in Acrocomia aculeata pulp oil, Jatropha curcas oil, and their respective biodiesels under simulated storage conditions

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    Juciana Clarice Cazarolli

    2016-12-01

    Full Text Available With increasing demands for biodiesel in Brazil, diverse oil feedstocks have been investigated for their potentials for biodiesel production. Due to the high biodegradability of natural oils and their respective biodiesels, microbial growths and consequent deterioration of final product quality are generally observed during storage. This study was aimed at evaluating the susceptibility of Acrocomia aculeata pulp oil and Jatropha curcas oil as well as their respective biodiesels to biodeterioration during a simulated storage period. The experiment was conducted in microcosms containing oil/biodiesel and an aqueous phase over 30 d. The levels of microbial contamination included biodiesel and oil as received, inoculated with fungi, and sterile. Samples were collected every 7 d to measure pH, surface tension, acidity index, and microbial biomass. The initial and final ester contents of the biodiesels were also determined by gas chromatography. The major microbial biomass was detected in A. aculeata pulp and J. curcas biodiesels. Significant reductions in pH values were observed for treatments with A. aculeata pulp biodiesel as a carbon source (p

  17. Chemical and nutritional evaluation of kernels of bocaiuva, Acrocomia aculeata (Jacq. Lodd. Avaliação química e nutricional de amêndoas da bocaiúva, Acrocomia aculeata (Jacq. Lodd.

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    Priscila A. Hiane

    2006-09-01

    Full Text Available Protein characterization and results of proximate composition and mineral analyses of fruit kernels of bocaiuva, Acrocomia aculeata (Jacq. Lodd., are reported. The kernels presented high contents of oil (51.7%, protein (17.6% and fiber (15.8%. The seeds´ soluble proteins were isolated according to their solubility. The main separated proteins were globulins (53.5% and glutelins (40.0%. Moreover, the presence of low molecular mass proteases in these two fractions was shown by the SDS-PAGE method. The assays of protease-inhibitory and hemagglutinating activities showed that bocaiuva´s protein fractions were not resistant to trypsin or chymotrypsin activities and that both had low lectin content. The globulin in vitro digestibility assay resembled a casein standard. Neither globulin nor glutelin enzymatic hydrolyses increased significantly (p Caracterização de proteínas e análises da composição centesimal e teores de minerais foram realizados nas amêndoas da bocaiúva, Acrocomia aculeata (Jacq. Lodd. As amêndoas apresentaram alto teor de lipídio (51,7%, proteína (17,6% e fibra (15,8%. Proteínas solúveis das sementes foram fracionadas de acordo com a sua solubilidade. As principais proteínas separadas foram as globulinas (53,5% e glutelinas (40,0%, e a presença de proteases de baixo peso molecular nessas duas frações foi revelada por eletroforese em gel de poliacrilamida (SDS-PAGE. Ensaios da atividade inibitória de proteases e da hemaglutinação mostraram que as frações protéicas da bocaiúva não foram resistentes à ação da tripsina e quimotripsina e apresentaram baixo teor de lectina. A digestibilidade in vitro da globulina foi semelhante à da caseína padrão. Hidrólises enzimáticas da globulina e glutelina não aumentaram significativamente (p < 0,05, com o aquecimento. Treonina e lisina são os aminoácidos mais limitantes, respectivamente, das duas principais frações de proteínas da amêndoa da bocaiúva, a

  18. Evaluación fisico-química de la semilla y del aceite de corozo ( Acrocomia aculeata Jacq.

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    Medina, Carlos

    2005-12-01

    Full Text Available In this research, physicochemical characteristics of the seed and seed oil of corozo ( Acrocomia aculeata Jacq., a wild palm from Central and South America , were evaluated. Seeds obtained from mature fruits from “El Chaparro” town, Anzoategui state, Venezuela, harvested in March 2003, were decorticated; the endospermus was transformed to meal by means of grinding and then using a sieve (425 µm, and its oil was extracted with n-hexane. The whole seed showed an average weight of 9.67 ± 0.32 (PEl objetivo de esta investigación fue evaluar algunas características físicas y químicas de la semilla y del aceite crudo extraído de la semilla del fruto de corozo ( Acrocomia aculeata Jacq., una palmera silvestre distribuida en Centroamérica y Sudamérica. A un lote se semillas obtenidas de frutos maduros procedentes de la población de “El Chaparro”, estado Anzoátegui, Venezuela, cosechados en Marzo 2003, se le separó el pericarpio y el endospermo. El endospermo fue transformado en harina, mediante molienda y tamizado (apertura 425 μm, y a ésta se le extrajo el aceite con n-hexano. A la semilla entera se le determinó la masa promedio (9,67 ± 0,32; P<0,05 y la proporción de pericarpio (75,39 % y endospermo (24,61 %. A la harina del endospermo de le determinó la composición proximal, presentando niveles importantes de grasa (53,13 %, proteína (13,75 % y fibra cruda (25,82 %. El aceite crudo de corozo presentó baja acidez libre (0,40 %, expresada como ácido oleico y alta resistencia a la oxidación (no se detectó peróxidos y el índice de estabilidad OSI fue de 100 h; sus índices de yodo y saponificación fueron 29,87 cg I/g y 205 mg KOH/g, respectivamente. La composición en ácidos grasos, determinada mediante cromatografía de gas, mostró mayor proporción de ácidos saturados (79,6 %, siendo el ácido láurico el de mayor concentración. La semilla de corozo es un recurso oleaginoso que puede ser útil

  19. ENVIRONMENTS WITH NATURAL OCCURRENCE OF Acrocomia aculeata AMBIENTES DE OCORRÊNCIA NATURAL DE MACAÚBA

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    João Gaspar Farias

    2011-10-01

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    Acrocomia aculeata, a palm tree common in the Brazilian Savannah region, has been increasingly drawing attention for its high fruit yield and several uses, such as food for humans, fodder, and oil source. The objective of this research was to characterize natural A. aculeata environments in the central and southern Goiás State, Brazil. Ten areas, in seven municipalities (Santa Cruz de Goiás, São Miguel do Passa Quatro, São Francisco de Goiás, Paraúna, Jandaia, Indiara, and Jaraguá, were selected. Soil samples made up of ten subsamples were used for chemical and physical characterization of each area, and toposequences were briefly described and classified. Climatic data were obtained from the National Institute of Meteorology through climate normals. Descriptive statistics and correlations among soil fertility variables were calculated. Data showed that A. aculeata occurs in soils with more than 50% of base saturation, considered eutrophic, with medium to high fertility and high potassium levels. Its populations are present in areas with total annual rainfall of 1,300-1,700 mm and corrected annual average air temperature of 21.5-22.5ºC. Areas with a predominance of cambisols and neosols, with medium texture and in the convex slope, talus, and concave slope of the landscape presented higher plant density.

    Roles of the haustorium and endosperm during the development of seedlings of Acrocomia aculeata (Arecaceae): dynamics of reserve mobilization and accumulation.

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    Mazzottini-Dos-Santos, Hellen Cássia; Ribeiro, Leonardo Monteiro; Oliveira, Denise Maria Trombert

    2016-11-24

    The mobilization of palm seed reserves is a complex process because of the abundance and diversity of stored compounds and results from the development of a highly specialized haustorium. This work focused on the important Neotropical oleaginous palm Acrocomia aculeata, with the aim of defining phases of seedling development associated with mobilization of reserves and elucidating the role of haustorium and endosperm in this process. Standard methods were performed, including biometric, anatomical, and histochemical analyses, as well as the evaluation of the activities of the enzymes endo-β-mannanase and lipase, throughout the reserve mobilization in seeds during germination and in seedlings. Seeds of A. aculeata stored large quantities of proteins, lipids, and polysaccharides in the embryo and endosperm. The mobilization of reserves initiated in the haustorium during germination and subsequently occurred in the endosperm adjacent to the haustorium, forming a gradually increasing zone of digestion. Proteins and polysaccharides were the first to be mobilized, followed by lipids and cell wall constituents. The haustorium activates and controls the mobilization, forming transitory reserves and translocating them to the vegetative axis, while the endosperm, which also has an active role, serves as a site of intense enzymatic activity associated with protein bodies. Seedling development can be described as occurring in six phases over a long period (approximately 150 days) due to the large amount of seed reserves. This process exhibits an alternation between stages of accumulation and translocation of protein, lipid, and carbohydrate reserves in the haustorium, which favors the seedling establishment and the reproductive success of the species.

  1. Toxicología aguda en conejos del D-005, extracto lipídico del fruto de Acrocomia Crispa (palma corojo)

    OpenAIRE

    Ariadne Gutiérrez-Martínez; Carlos Nodal-Flores; Isury Bucarano-Lliteras; Regla Placeres-Hernández; Zenaida Tolón-Gato; Edy Goicochea-Carrero

    2016-01-01

    El D-005 es un extracto lipídico del fruto de Acrocomia crispa (palma corojo), palma endémica de la familia Arecaceae, que contiene una mezcla de ácidos grasos, principalmente láurico, oleico, mirístico y palmítico y en menores proporciones esteárico, caprílico, cáprico y palmitoleico. El tratamiento con D-005 por vía oral redujo el agrandamiento prostático inducido por testosterona en ratas. La toxicología preclínica de un nuevo compuesto incluye la evaluación aguda en una especie no roedora...

  2. Caracterização biométrica, física e química de frutos da palmeira bocaiuva Acrocomia aculeata (Jacq Lodd

    Directory of Open Access Journals (Sweden)

    Eliana Janet Sanjinez-Argandoña

    2011-09-01

    Full Text Available Frutos de palmeira bocaiuva (Acrocomia aculeata (Jacq. Lodd., coletados em Dourados (MS e Presidente Epitácio (SP, foram analisados quanto ao aspecto biométrico, a composição química e as características físicas, visando a avaliar seu potencial alimentício. Os frutos de bocaiuva das regiões de procedência não apresentaram diferenças significativas entre si nas características biométricas. O rendimento médio da polpa foi de 42% em relação ao fruto inteiro, sendo superior ao encontrado na literatura para outros frutos de palmeiras. As determinações físicas e químicas da polpa dos frutos das regiões de Mato Grosso do Sul e São Paulo caracterizam a polpa como sendo pouco ácida (pH 5,70 a 6,29. As amostras de Dourados - MS, foram consideradas mais doces (14,53% de açúcares redutores totais e com maior teor de vitamina C (34,57 mg.100 g-1 em relação às amostras de Presidente Epitácio-SP (11,46 mg.100 g-1. Porém, a intensidade da cor amarelo-laranja foi maior na polpa dos frutos de Presidente Epitácio (SP, sugerindo maior conteúdo de carotenoides.

  3. Analysis of different management systems for water and soil conservation in experimental plots of "macauba" (Acrocomia aculeata) in Araponga (MG, Brazil)

    Science.gov (United States)

    Batista Lúcio-Correa, João; Cristina-Tonello, Kelly; Taguas, Encarnación V.; Texeira-Dias, Herly C.

    2015-04-01

    In Brazil, the conservation of water resources and agricultural soil are key environmental and economic aspects to mantain land services and the quality of life people in rural and urban communities. The macaw - Acrocomia aculeata) (Jacq.) Lodd. (Ex Martius) - is a Brazilian native oleaginous palm, whose potential has been highlighted in the scientific community due to its high economic potential and its recent advances in crop farming. This study aims to quantify the runoff in macaw plantation, comparing different techniques of crop management for a period of one year (from September 2012 to August 2013). The data from this study were collected in the Experimental Farm of the Federal University of Viçosa (UFV) located in the municipality of Araponga, MG, Brazil. The seedlings took place in February 2009, in holes, spaced 5X5 in an area of 1.7 ha (680 plants) with a slope of 25%. Rainfall was monitored through three pluviometers with expose area of 162.86 cm² whereas the impact of different management systems on runoff was measured by using 10 plots of 63 m² each: 3 treatments with three repetitions plus the control plot. Each plot presented four macaw plants. The treatment one (T1), was formed by macaw plants without using any soil conservation technique; the treatment two (T2) consisted of macaws with a contour cord with 40 cm wide by 30 cm deep, located between the plantation lines; for the treatment three (T3) beans were planted forming vegetation strips; the control (T0) was represented by a portion without macaws plants, with spontaneous vegetation growing throughout the plot, which was not used any soil conservation technique. T2 presented the lowest values of runoff during the twelve months and at the same time, the greatest requirements of initial rainfall for runoff generation. In contrast, T3 showed the highest volumes of runoff for the study period, with a small reduction with the exception of January and February 2013, when the bean plants were well

  4. Effect of drying and soaking fruits and seeds on germination of macaw palm (Acrocomia aculeata [Jacq.] Loddiges ex MART.=Efeito da secagem e embebição de frutos e sementes na germinação de macaúba (Acrocomia aculeata [Jacq.] Loddiges ex MART.

    Directory of Open Access Journals (Sweden)

    Marcus Vinícius Vieira da Silva

    2012-04-01

    Full Text Available This study evaluated mechanisms of the dehydration and rehydration of fruits and seeds on the resulting embryo viability of the macaw palm, Acrocomia aculeata (Jacq. Loddiges ex Mart. Dehydration was performed in a forced-air oven at 37 ± 2°C for 0, 3, 6, 9, 12 or 15 days, and after these periods, the embryo viability was evaluated by the tetrazolium test. The effect of hydration on the germination percentage and velocity index was evaluated by the imbibition of seeds with distilled water in a germinator at 30 ± 2°C for 0, 2, 4, 6, 8 or 10 days. The seeds were then treated with fungicide and maintained in a Mangelsdorf germinator at 30 ± 2°C. Drying caused a progressive water loss in the fruits and facilitated the extraction of the seeds. Fruits subjected to drying for up to nine days had no loss of vigor; however, after dehydration for 15 days, a loss in seed viability was observed. Simple linear regression estimated the seed water content based on the fruit water content. Seed imbibition in distilled water favored an increase in dead by fungally contaminated seeds.Objetivou-se com esse estudo elucidar os mecanismos de desidratação e hidratação de frutos e sementes na viabilidade de embriões de macaúba Acrocomia aculeata (Jacq. Loddiges ex Mart. A desidratação foi realizada em estufa de circulação de ar, ajustada a 37 ± 2°C por 0, 3, 6, 9, 12 e 15 dias, após esses períodos, foi avaliada a viabilidade dos embriões pelo teste de tetrazólio. O efeito da hidratação na porcentagem e velocidade de germinação foi avaliado pela embebição das sementes em água destilada em germinador com temperatura a 30 ± 2°C por 0, 2, 4, 6, 8 e 10 dias. As sementes foram tratadas com fungicida e mantidas em germinador do tipo Mangelsdorf. A secagem promoveu perda pregressiva no conteúdo de água dos frutos e facilitou a extração das sementes. Quando os frutos foram secos por nove dias não há perda de vigor, no entanto, depois de 15

  5. Chemical Composition and Antimicrobial Potential of Palm Leaf Extracts from Babaçu (Attalea speciosa), Buriti (Mauritia flexuosa), and Macaúba (Acrocomia aculeata).

    Science.gov (United States)

    de Oliveira, Adriana Idalina Torcato; Mahmoud, Talal Suleiman; do Nascimento, Guilherme Nobre L; da Silva, Juliana Fonseca Moreira; Pimenta, Raphael Sanzio; de Morais, Paula Benevides

    2016-01-01

    Babaçu (A. speciosa), Buriti (M. flexuosa), and Macaúba (A. aculeata) are palm trees typical of the ecotone area between Cerrado and the Amazon rainforest. The purpose of this study was to evaluate the antimicrobial potential of the extracts prepared from the leaves of those palms as well as determine their chemical compositions. The ethanol extracts were prepared in a Soxhlet apparatus and tested by disk diffusion and agar dilution technique against Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, and Candida parapsilosis. However, there was no significant activity at concentrations of 25, 50, and 100 mg·Ml(-1). Moreover, the phytochemical analysis revealed the presence of tannins, flavonoids, catechins, steroids, triterpenes, and saponins. Gas chromatography (GC/MS) analysis also identified organic acids, such as capric (decanoic) acid, lauric (dodecanoic) acid, myristic (tetradecanoic) acid, phthalic (1,2-benzenedicarboxylic) acid, palmitic (hexadecanoic) acid, stearic (octadecanoic) acid, linoleic (9,12-octadecadienoic) acid (omega-6), linolenic (octadecatrienoic) acid (omega-3), and the terpenes citronellol and phytol. Based on the chemical composition in the palm leaf extracts, the palms have the potential to be useful in the food, cosmetic, and pharmaceutical industries.

  6. Chemical Composition and Antimicrobial Potential of Palm Leaf Extracts from Babaçu (Attalea speciosa, Buriti (Mauritia flexuosa, and Macaúba (Acrocomia aculeata

    Directory of Open Access Journals (Sweden)

    Adriana Idalina Torcato de Oliveira

    2016-01-01

    Full Text Available Babaçu (A. speciosa, Buriti (M. flexuosa, and Macaúba (A. aculeata are palm trees typical of the ecotone area between Cerrado and the Amazon rainforest. The purpose of this study was to evaluate the antimicrobial potential of the extracts prepared from the leaves of those palms as well as determine their chemical compositions. The ethanol extracts were prepared in a Soxhlet apparatus and tested by disk diffusion and agar dilution technique against Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, and Candida parapsilosis. However, there was no significant activity at concentrations of 25, 50, and 100 mg·Ml−1. Moreover, the phytochemical analysis revealed the presence of tannins, flavonoids, catechins, steroids, triterpenes, and saponins. Gas chromatography (GC/MS analysis also identified organic acids, such as capric (decanoic acid, lauric (dodecanoic acid, myristic (tetradecanoic acid, phthalic (1,2-benzenedicarboxylic acid, palmitic (hexadecanoic acid, stearic (octadecanoic acid, linoleic (9,12-octadecadienoic acid (omega-6, linolenic (octadecatrienoic acid (omega-3, and the terpenes citronellol and phytol. Based on the chemical composition in the palm leaf extracts, the palms have the potential to be useful in the food, cosmetic, and pharmaceutical industries.

  7. Chemical Composition and Antimicrobial Potential of Palm Leaf Extracts from Babaçu (Attalea speciosa), Buriti (Mauritia flexuosa), and Macaúba (Acrocomia aculeata)

    Science.gov (United States)

    Mahmoud, Talal Suleiman; do Nascimento, Guilherme Nobre L.; da Silva, Juliana Fonseca Moreira

    2016-01-01

    Babaçu (A. speciosa), Buriti (M. flexuosa), and Macaúba (A. aculeata) are palm trees typical of the ecotone area between Cerrado and the Amazon rainforest. The purpose of this study was to evaluate the antimicrobial potential of the extracts prepared from the leaves of those palms as well as determine their chemical compositions. The ethanol extracts were prepared in a Soxhlet apparatus and tested by disk diffusion and agar dilution technique against Staphylococcus aureus, Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Candida albicans, and Candida parapsilosis. However, there was no significant activity at concentrations of 25, 50, and 100 mg·Ml−1. Moreover, the phytochemical analysis revealed the presence of tannins, flavonoids, catechins, steroids, triterpenes, and saponins. Gas chromatography (GC/MS) analysis also identified organic acids, such as capric (decanoic) acid, lauric (dodecanoic) acid, myristic (tetradecanoic) acid, phthalic (1,2-benzenedicarboxylic) acid, palmitic (hexadecanoic) acid, stearic (octadecanoic) acid, linoleic (9,12-octadecadienoic) acid (omega-6), linolenic (octadecatrienoic) acid (omega-3), and the terpenes citronellol and phytol. Based on the chemical composition in the palm leaf extracts, the palms have the potential to be useful in the food, cosmetic, and pharmaceutical industries. PMID:27529077

  8. Dormancy breaking in macaw palm [Acrocomia aculeata (Jacq.) Loddiges ex Mart.] seeds

    OpenAIRE

    Rubio Neto,Aurélio; Silva,Fabiano Guimarães; Sales,Juliana de Fátima; Reis,Edésio Fialho dos; Silva,Lailla Queiroz; Campos,Rafael Cândido

    2014-01-01

    This study was performed to improve the speed of and standardize the process for the germination of macaw palm seeds. The effect of mechanical scarification (removal of the tegument in the hilum region), thermal scarification (imbibition of seeds in water at approximately 100ºC for two or four minutes) and chemical scarification (98% sulfuric acid treatment for two or four minutes) were compared to a control (no scarification) in both a germination chamber and a greenhouse, representing trial...

  9. Obtention of Free Fatty Acids of Macauba Oil (Acrocomia Aculeata in Organic Solvent Free System

    Directory of Open Access Journals (Sweden)

    Caroline Portilho Trentini

    2014-05-01

    Full Text Available The present study aimed to investigate the enzymatic hydrolysis of oil Macaúba, to obtain a hydrolyzate rich in free fatty acids (FFA for later use in step esterification. The effect of process variables (percentage of catalyst, temperature and water content was evaluated in the FFA yield, using a factorial experimental design 23, where the positive and significant effect of the variables was observed. The results reported yields of 50.5% in FFA in 6 hours of reaction at 60ºC, water percentage of 15 wt% and catalyst percentage of 5 wt%.

  10. Acrocomia emensis (Arecaceae) genetic structure and diversity using SSR molecular markers.

    Science.gov (United States)

    Neiva, D S; Melo Júnior, A F; Oliveira, D A; Royo, V A; Brandão, M M; Menezes, E V

    2016-03-24

    Acrocomia emensis, popularly known as the creeping tucum, belongs to the family Arecaceae, and is an oilseed specie of the Brazilian Savannah. The expansion of agricultural activity has rapidly destroyed its natural habitat, leading to a decrease in its population size. Genetic studies can be used to investigate the genetic variability, and may assist with the charting future conservation strategies. In this study the genetic diversity and structure of 150 individuals sampled in three locations in Minas Gerais were analysed, based on the transferability of six microsatellite markers, previously developed for A. aculeata. The results indicate that the populations studied have low levels of genetic variability (Ho = 0.148) and high, positive and significant inbreeding coefficient, indicating an excess of homozygotes. The average heterozygosity within the population (Hs = 0.700) accounted for 95.03% of the total genetic diversity, indicating that there is greater variability within population than between them, consistent with low genetic differentiation between population (GST = 0.046). Bayesian analysis identified three distinct groups; however, populations shared large numbers of alleles, which can be explained by the reduced distance between populations. These results reveal the need to implement genetic conservation programs for the maintenance of this species and to prioritize population from Bonito and Brasília, which showed the lowest values of genetic diversity.

  11. Desierto de las Palmas

    OpenAIRE

    Anónimo

    2010-01-01

    1 fot.; cristal. - Vista del exterior del convento nuevo del Desierto de Las Palmas, Castellón de la Plana, con un pintor con caballete en primer término. (Placa estereoscópica) - Procedencia: fondo Miguel de Unamuno. - Buena Conservación.

  12. OCCURRENCE OF Cyclocephala forsteri ON Acronomia aculeata OCORRÊNCIA DE Cyclocephala forsteri EM Acronomia aculeata

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    Crébio José Ávila

    2011-04-01

    Full Text Available The occurrence of the Cyclocephala forsteri (Coleoptera: Melolonthidae beetle, in area with Acronomia aculeata (Arecaceae, was verified in Dourados, Mato Grosso do Sul State, Brazil, in November and December 2008, and from October to December 2009. Adult beetle was observed attacking the plant inflorescence, causing the fall of flower buds and, consequently, reduction of fruits on the bunch of A. aculeata.

    Verificou-se a ocorrência do besouro Cyclocephala forsteri (Coleoptera: Melolonthidae, em área com Acronomia aculeata (Arecaceae, no município de Dourados (MS, durante os meses de novembro e dezembro de 2008 e de outubro a dezembro de 2009. Foi observado coleóptero adulto atacando a inflorescência da planta, causando a queda dos botões florais e, consequentemente, redução de frutos no cacho de A. aculeata.

     

  13. PHARMACOGNOSTIC STUDIES OF THE BARK OF PARKINSONIA ACULEATA

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    D.Saha,

    2010-12-01

    Full Text Available The bark of Parkinsonia aculeata (fam. Leguminosae was studied to fix the parameters for pharmacognostical standards. The results of organoleptic study offer a scientific basis for the use of P. aculeata which possess characters like brown colour, characteristic odour and slightly bitter taste. The fluorescence analysis under visible light & under UV light by treatment with different chemical reagents showed different colour changes. The presence of alkaloids, flavonoids, tannins, steroids, and reducing sugars was confirmed during preliminary phytochemical screening.

  14. THE LA PALMA DATA ARCHIVE

    NARCIS (Netherlands)

    ZUIDERWIJK, EJ; MARTIN, R; RAIMOND, E; VANDIEPEN, GNJ

    1994-01-01

    The operation of the La Palma Data Archive is described in detail. The archive contains data taken since early 1986 with the Isaac Newton Group; 74% of the 260,000 entries are of astronomical sources. Several hundreds of queries are made on the catalog each year, resulting in approximately one reque

  15. Produção de amilase por Bacillus amyloliquefaciens utilizando torta de macaúba (Acrocomia aculeata) e farinha de pupunha (Bactris gasipaes) como substratos

    OpenAIRE

    Silva, Isadora Ferreira da

    2012-01-01

    Amilases são enzimas que atuam no rompimento das ligações glicosídicas presentes nas cadeias de amilose e amilopectina. As amilases possuem aplicações em diversas áreas tais como: indústria de papel e celulose, indústria têxtil, indústria de detergentes e produtos de limpeza, indústria química e farmacêutica, na produção de vitaminas e antibióticos. Embora as amilases sejam encontradas em plantas, animais e micro-organismos, as enzimas microbianas geralmente atendem de maneira satisfatória à ...

  16. Dormancy breaking in macaw palm [Acrocomia aculeata (Jacq. Loddiges ex Mart.] seeds doi: 10.4025/actasciagron.v36i1.13220

    Directory of Open Access Journals (Sweden)

    Aurélio Rúbio Neto

    2014-01-01

    Full Text Available This study was performed to improve the speed of and standardize the process for the germination of macaw palm seeds. The effect of mechanical scarification (removal of the tegument in the hilum region, thermal scarification (imbibition of seeds in water at approximately 100°C for two or four minutes and chemical scarification (98% sulfuric acid treatment for two or four minutes were compared to a control (no scarification in both a germination chamber and a greenhouse, representing trials one and two, respectively. The effect of imbibition speed (fast or slow and different concentrations of gibberellic acid (0, 100 or 200 mg L-1 on the germination percentage and index of germination velocity were evaluated during a third trial. Mechanical scarification to remove the seed tegument in the hilum region enhanced the germination of the seeds in the germination chamber and seedling emergence in the greenhouse, and this type of scarification should be recommended for breaking dormancy in this species. Not obtained increase in seed germination with gibberellic acid, regardless of the application form in the seeds.

  17. Pereskia aculeata Muller (Cactaceae Leaves: Chemical Composition and Biological Activities

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    Lucèia Fàtima Souza

    2016-09-01

    Full Text Available The aims of this work were to study the chemical composition of the essential oil from the leaves of Pereskia aculeata and to evaluate some biological activities of three leaf extracts. The phenolic content, antioxidant activity, and in vitro antimicrobial and antifungal activities were determined. The methanol extract showed antioxidant activity (EC50 7.09 mg/mL and high polyphenols content (15.04 ± 0.31 mg gallic acid equivalents (GAE/g. The petroleum ether extract exhibited potent antibacterial activity against Escherichia coli, whereas the chloroform extract showed inhibitory activity against Bacillus cereus and Staphylococcus aureus. The petroleum ether and methanol extracts were more effective in inhibiting the growth of Aspergillus versicolor. The possible cytotoxicity of extracts on neuroblastoma SH-SY5Y cancer cell line and the influence on adenylate cyclase (ADCY expression was also studied. P. aculeata chloroform extract showed antiproliferative activity with an IC50 value of 262.83 µg/mL. Treatments of SH-SY5Y neuroblastoma cells with 100 µg/mL of methanol extract significantly reduced ADCY1 expression.

  18. Pereskia aculeata Muller (Cactaceae) Leaves: Chemical Composition and Biological Activities.

    Science.gov (United States)

    Souza, Lucèia Fàtima; Caputo, Lucia; Inchausti De Barros, Ingrid Bergman; Fratianni, Florinda; Nazzaro, Filomena; De Feo, Vincenzo

    2016-09-03

    The aims of this work were to study the chemical composition of the essential oil from the leaves of Pereskia aculeata and to evaluate some biological activities of three leaf extracts. The phenolic content, antioxidant activity, and in vitro antimicrobial and antifungal activities were determined. The methanol extract showed antioxidant activity (EC50 7.09 mg/mL) and high polyphenols content (15.04 ± 0.31 mg gallic acid equivalents (GAE)/g). The petroleum ether extract exhibited potent antibacterial activity against Escherichia coli, whereas the chloroform extract showed inhibitory activity against Bacillus cereus and Staphylococcus aureus. The petroleum ether and methanol extracts were more effective in inhibiting the growth of Aspergillus versicolor. The possible cytotoxicity of extracts on neuroblastoma SH-SY5Y cancer cell line and the influence on adenylate cyclase (ADCY) expression was also studied. P. aculeata chloroform extract showed antiproliferative activity with an IC50 value of 262.83 µg/mL. Treatments of SH-SY5Y neuroblastoma cells with 100 µg/mL of methanol extract significantly reduced ADCY1 expression.

  19. Methods for overcoming dormancy of Parkinsonia aculeata L. seeds

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    Pollyanna Freire Montenegro Agra

    2015-06-01

    Full Text Available The Parkinsonia aculeata L seeds have tegumentary dormancy, which makes them last for a long period in the seed bank of the earth so that their germination occurs in favorable conditions. Our aim was to evaluate the influence of pregermination treatments for overcoming the dormancy of P. aculeata seeds. The seeds were submitted to the following treatments: sample – intact seeds (T1; mechanical scarification with water sandpaper no. 80, followed by room temperature water soaking for 12 and 24 hours (T3 e T4, respectively; immersion in sulfuric acid for 5, 10, 15 and 20 minutes (T5, T6, T7 e T8, respectively; immersion in water in 60ºC, 70ºC, 80ºC and 90ºC for one minute (T9, T10, T11 e T12, respectively. The characteristics evaluated were: percentage of emergence, emergence first count, emergence speed index, height and dry weight of seedlings. In the treatments that involved immersion in water in 60ºC, 70ºC, 80ºC and 90ºC, a low percentage of emergence was obtained. The P. aculeate seeds tegumentary dormancy is overcome with maximum efficiency by the mechanical scarification with sandpaper, suggesting that, in natural environment the movement of contraction and expansion of the soil results in a mechanical scarification of the tegument of the seeds, thus, allowing a high percentage of germination with distribution as time passes.

  20. Importancia agroecológica del coyul (Acrocomia mexicana Karw. ex Mart.)

    OpenAIRE

    Blanca C. Ramírez Hernández; Julia Zañudo Hernández; Javier E. García de Alba Verduzco; John Paul Délano Frier; Enrique Pimienta Barrios; Miguel Ángel García Martínez

    2013-01-01

    Acrocomia mexicana Karw. ex Mart. es una especie que se extiende desde el Pacífico mexicano hasta Centro y Sudamérica. El fruto (coyul) es apreciado desde la época prehispánica, sin embargo, su consumo ha disminuido frente a otros frutos nativos y así como de los introducidos con mayor aceptación en el mercado. Se realizó un estudio en San Blas, Nayarit, México, en el que se llevó a cabo la caracterización de un agroecosistema típico donde se explotan poblaciones silvestres y cultivadas de co...

  1. Ultrastructure of oogenesis of two oviparous demosponges: Axinella damicornis and Raspaciona aculeata (Porifera).

    Science.gov (United States)

    Riesgo, Ana; Maldonado, Manuel

    2009-02-01

    We investigated the cytology of the oogenic cycle in two oviparous demosponges, Axinella damicornis and Raspaciona aculeata, during 2 consecutive years both by light and electron microscopy. Oocytes of both species were similar in their basic morphological features but differences were noticed in time required to complete oocyte maturation and mechanisms of acquisition of nutritional reserves. The oogenic cycle of A. damicornis extended for 7-8 months in autumn-spring, while that of R. aculeata did it for 3-5 months in summer-autumn. Yolk of A. damicornis was predominantly formed by autosynthesis. Oocytes endocytosed bacteria individually and stored them in groups in large vesicles. Bacteria were digested and lipidic material was added to the vesicles to produce a peculiar granular yolk hitherto unknown in sponges. Scarce cells carrying heterogeneous inclusions were observed in the perioocytic space, and were interpreted as putative nurse cells. Such cells were presumably releasing lipid granules to the perioocytic space. In contrast, large numbers of nurse cells were found surrounding the oocytes of R. aculeata. They transported both lipid granules and heterogeneous yolk bodies to the oocytes. R. aculeata also produced some of their yolk by autosynthesis. The involvement of nurse cells in the vitellogenesis of R. aculeata shortened the oocyte maturation, whereas a largely autosynthetic vitellogenesis in A. damicornis prolonged the duration of oogenesis.

  2. Characterization of the Antidiabetic Role of Parkinsonia aculeata (Caesalpineaceae

    Directory of Open Access Journals (Sweden)

    Ana Catarina Rezende Leite

    2011-01-01

    Full Text Available This paper reports the characterization of the antidiabetic role of a hydroethanolic extract from Parkinsonia aerial parts (HEPA, in normal and alloxan-induced diabetic rats, treated with HEPA (125 and 250 mg/kg; p.o.. Oral glucose tolerance test, acute oral toxicity test and preliminary phytochemical analyses were performed. The diabetic rats treated with HEPA showed a significant reduction in serum and urinary glucose, urinary urea and triglyceride levels, as compared to the diabetic untreated group. However, in the normal treated groups, a significant reduction was found only in serum triglyceride levels. In all treated diabetic groups, an improvement in hepatic glycogen was observed, as well as a decrease in liquid intake and urinary volume, and an enhancement in the weight of skeletal muscles (soleus and extensor digitorum longus, kidneys and epididymal adipose tissue. Nevertheless, body and liver weights were ameliorated only in the diabetic group treated with HEPA (250 mg/kg. Moreover, oral glucose tolerance was higher in animals treated with HEPA, while results also showed that HEPA could be considered toxicologically safe. Phytochemical analysis revealed the presence of tanins, flavonoids and steroids in HEPA. In conclusion, P. aculeata presents an antidiabetic activity and other beneficial effects that ameliorate diabetes and associated complications.

  3. Avaliação do crescimento e desenvolvimento de ratos tratados com Pereskia aculeata, Miller

    OpenAIRE

    Silva,Débora Oliveira da; Dias, Álvaro Guerra; Silva, Adriana Lourenço da

    2012-01-01

    A planta Perskia aculeata, Miller, conhecida no Brasil como ora-pro-nobis, possui elevados teores de proteína, fibras dietéticas totais, minerais e vitaminas. O presente estudo buscou avaliar o crescimento e o desenvolvimento de ratos tratados com dietas contendo a planta Pereskia aculeata, Miller e restrição de proteína. Foram utilizados 24 ratos machos, recém desmamados da linhagem Wistar. Os animais foram divididos em 4 grupos de dieta: padrão de caseína; restrição total de proteína; su...

  4. Protective effect of Pisonia aculeata on thioacetamide induced hepatotoxicity in rats

    Institute of Scientific and Technical Information of China (English)

    Anbarasu C; Rajkapoor B; Bhat KS; John Giridharan; A Arul Amuthan; Satish K

    2012-01-01

    Objective:To evaluate the protective effect of Pisonia aculeata (P. aculeata) on thioacetamide induced hepatotoxicity in rats. Methods:Male Wistar rats were administered 250 or 500 mg/kg p.o. of P. aculeata extract for 21 days and simultaneously administered thioacetamide (TAA) 50 mg/kg bw s.c. 1 h after the respective assigned treatments every 72 h. At the end of all experimental methods, all the animals were sacrificed by cervical decapitation. Blood samples were collected. Serum was separated and analyzed for various biochemical parameters. Results: TAA induced a significant rise in aspartate amino transferase (AST), alanine amino transferase (ALT), alkaline phosphatase (ALP), total bilirubin, gamma glutamate transpeptidase (GGTP), lipid peroxidase (LPO) with a reduction of total protein, superoxide dismutase (SOD), catalase, glutathione peroxidase (GPx) and glutathione S-transferase (GST). Treatment of rats with different doses of plant extract (250 and 500 mg/kg) significantly (P<0.001) altered serum marker enzymes and antioxidant levels to near normal against TAA treated rats. The activity of the extract at a dose of 300 mg/kg was comparable to the standard drug, silymarin (50 mg/kg, p.o.). Conclusions:It can be concluded that P. aculeata extract possesses a remarkable hepatoprotective and antioxidant activity against TAA induced hepatotoxicity. More research is required to derive an optimal therapeutic dose.

  5. Ethnobotanic study of Randia aculeata (Rubiaceae in Jamapa, Veracruz, Mexico, and its anti-snake venom effects on mouse tissue

    Directory of Open Access Journals (Sweden)

    CA Gallardo-Casas

    2012-01-01

    Full Text Available In Mexico, medicinal plants are widely used. The use of Randia aculeata by healers against snakebites has never been scientifically tested in relation to possible effects on blood parameters and muscle tissue damage. Interviews were carried out in Jamapa, Veracuz, Mexico, with local residents to collect information about the traditional use of Randia aculeata. In this locality, seven pieces of fruit from the plant are mixed in a liter of alcohol, and then administered orally against snakebites. By using histological techniques and a murine model, we explored its cytoprotective properties against the effects of Crotalus simus and Bothrops asper venoms. Possible protections provided by the plant against tissue damage to skeletal and cardiac muscles and against the typical loss of red blood cells were analyzed. Randia aculeata caused an increase in microhematocrit and total hemoglobin, parameters that are often decremented in association with the loss of red blood cells, which is a characteristic effect of animal venom. Randia aculeata was also shown to protect against the lowering of platelet levels caused by Bothrops asper venom. Finally, Randia aculeata produced a partial inhibition of necrosis following administration of snake venom in skeletal and myocardial muscles. The present results provide solid evidence for the traditional use of Randia aculeata against snakebites, as demonstrated by protection against muscular tissue damage and the diminution of red blood cells.

  6. Pleistocene expansion of the bipolar lichen Cetraria aculeata into the Southern hemisphere.

    Science.gov (United States)

    Fernández-Mendoza, Fernando; Printzen, Christian

    2013-04-01

    Many boreal and polar lichens occupy bipolar distributional ranges that frequently extend into high mountains at lower latitudes. Although such disjunctions are more common among lichens than in other groups of organisms, the geographic origin of bipolar lichen taxa, and the way and time frame in which they colonized their ranges have not been studied in detail. We used the predominantly vegetative, widespread lichen Cetraria aculeata as a model species. We surveyed the origin and history of its bipolar pattern using population genetics, phylogenetic and genealogical reconstruction methods. Cetraria aculeata originated in the Northern Hemisphere and dispersed southwards during the Pleistocene. The genetic signal suggests a Pleistocene dispersive burst in which a population size expansion concurred with the acquisition of a South-American range that culminated in the colonization of the Antarctic.

  7. Wound healing properties and mucilage content of Pereskia aculeata from different substrates

    OpenAIRE

    Eber Goulart Carvalho; Cristina Pacheco Soares; Lorena Blau; Renato Farina Menegon; Walderez Moreira Joaquim

    2014-01-01

    Physiologic growth parameters Wound healing Pereskia aculeata Mill., Cactaceae, is a cactus with high mucilage production, well-known for its nutritional properties. Folk use consists on skin injuries, and mucilage is probably involved in the wound healing activity. This work studied some aspects of its cultivation, specifically regarding soil (substrate), to correlate the effects of nutritional content to mucilage production and to the wound-healing property. Plants were grown under five dif...

  8. Importancia agroecológica del coyul (Acrocomia mexicana Karw. ex Mart.

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    Blanca C. Ramírez Hernández

    2013-01-01

    Full Text Available Acrocomia mexicana Karw. ex Mart. es una especie que se extiende desde el Pacífico mexicano hasta Centro y Sudamérica. El fruto (coyul es apreciado desde la época prehispánica, sin embargo, su consumo ha disminuido frente a otros frutos nativos y así como de los introducidos con mayor aceptación en el mercado. Se realizó un estudio en San Blas, Nayarit, México, en el que se llevó a cabo la caracterización de un agroecosistema típico donde se explotan poblaciones silvestres y cultivadas de coyul de forma tradicional y se resaltó la importancia económica, ecológica y cultural de la especie. Asimismo, se realizó la caracterización fisicoquímica del fruto; la pulpa y la semilla son fuente principalmente de grasas. De esta especie se pueden obtener subproductos tales como aceites comestibles, alimento para ganado, artesanías, entre otros; igualmente se exponen alternativas de uso llevadas a cabo por otras regiones y países que puedan conducir a conservar espacios ecológicos y culturales.

  9. Characterization of microsatellite loci in the lichen-forming fungus Cetraria aculeata (Parmeliaceae, Ascomycota)1

    Science.gov (United States)

    Lutsak, Tetiana; Fernández-Mendoza, Fernando; Greshake, Bastian; Dal Grande, Francesco; Ebersberger, Ingo; Ott, Sieglinde; Printzen, Christian

    2016-01-01

    Premise of the study: Polymorphic microsatellite markers were developed for the lichen species Cetraria aculeata (Parmeliaceae) to study fine-scale population diversity and phylogeographic structure. Methods and Results: Using Illumina HiSeq and MiSeq, 15 fungus-specific microsatellite markers were developed and tested on 81 specimens from four populations from Spain. The number of alleles ranged from four to 13 alleles per locus with a mean of 7.9, and average gene diversities varied from 0.40 to 0.73 over four populations. The amplification rates of 10 markers (CA01–CA10) in populations of C. aculeata exceeded 85%. The markers also amplified across a range of closely related species, except for locus CA05, which did not amplify in C. australiensis and C. “panamericana,” and locus CA10 which did not amplify in C. australiensis. Conclusions: The identified microsatellite markers will be used to study the genetic diversity and phylogeographic structure in populations of C. aculeata in western Eurasia. PMID:27672520

  10. Produtividade da palma forrageira cultivada em diferentes densidades de plantio

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    Laerte Marques da Silva

    2014-11-01

    Full Text Available Entre as práticas e técnicas empregadas para obtenção de maior produtividade de massa seca, a escolha do arranjamento de plantas é, entre as decisões de manejo das plantas cultivadas, uma das mais importantes, associada à escolha da cultivar e do sistema de cultivo. Em função do exposto, objetivou-se com este trabalho avaliar a produtividade de forragem de palma forrageira cultivada em diferentes densidades de plantio. O experimento foi instalado no Campo Experimental do CPATC - Embrapa, em Frei Paulo - SE. O delineamento experimental utilizado foi em blocos casualizados, com parcelas subdivididas e quatro repetições. As parcelas foram representadas por genótipos de palma forrageira (Miúda, Redonda e Gigante e as subparcelas pelas seguintes densidades de plantio (10.000, 20.000, 40.000 e 80.000 plantas ha-1. Os genótipos de palma forrageira apresentam comportamento diferente quanto ao número de cladódios na 1a inserção e no número de cladódios por planta. O aumento da densidade de plantio reduz o comprimento e a largura do cladódio. Existe comportamento diferencial dos genótipos quanto à capacidade produtiva em diferentes densidades. A palma forrageira Miúda apresenta melhor potencial produtivo no cultivo adensado. Já a palma Redonda e Gigante tem maior teor de umidade na massa verde da forragem, e, em cultivo adensado, a palma forrageira reduz a massa verde e seca por planta

  11. Palmas Americanas, Sistemática y Cambios Climáticos

    DEFF Research Database (Denmark)

    Balslev, Henrik

    2011-01-01

    La familia de las palmas incluye alrededor de 2440 especies de distribución pantropical. Las palmas son elementos importantes en la vegetación en regiones tropicales y subtropicales. La riqueza y la composición sistemática de las palmas están estructuradas geográficamente de manera muy fuerte...

  12. Wound healing properties and mucilage content of Pereskia aculeata from different substrates

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    Eber Goulart Carvalho

    2014-12-01

    Full Text Available Physiologic growth parameters Wound healing Pereskia aculeata Mill., Cactaceae, is a cactus with high mucilage production, well-known for its nutritional properties. Folk use consists on skin injuries, and mucilage is probably involved in the wound healing activity. This work studied some aspects of its cultivation, specifically regarding soil (substrate, to correlate the effects of nutritional content to mucilage production and to the wound-healing property. Plants were grown under five different soil treatment (sand, crude soil, sand and soil, sand and cattle manure, soil and cattle manure, and after eight months extracts were prepared by turbo-extraction to obtain a crude hydroethanolic extract. We evaluated the effects of these extracts on swelling index, cytotoxicity, and in vitro wound healing property. The results show that the substrate used in cultivation may interfere with mucilage production, but not with cytotoxicity and wound healing, this shows the safety of its use, despite the soil treatment received along the various biomes where P. aculeata is cultivated. Furthermore, morphological studies demonstrated the beneficial effect of the mucilage-containing extract on the fibroblast cell culture, corroborating its folk use for wound healing.

  13. Population structure of mycobionts and photobionts of the widespread lichen Cetraria aculeata.

    Science.gov (United States)

    Fernández-Mendoza, F; Domaschke, S; García, M A; Jordan, P; Martín, M P; Printzen, C

    2011-03-01

    Lichens are symbioses between fungi (mycobionts) and photoautotrophic green algae or cyanobacteria (photobionts). Many lichens occupy large distributional ranges covering several climatic zones. So far, little is known about the large-scale phylogeography of lichen photobionts and their role in shaping the distributional ranges of lichens. We studied south polar, temperate and north polar populations of the widely distributed fruticose lichen Cetraria aculeata. Based on the DNA sequences from three loci for each symbiont, we compared the genetic structure of mycobionts and photobionts. Phylogenetic reconstructions and Bayesian clustering methods divided the mycobiont and photobiont data sets into three groups. An amova shows that the genetic variance of the photobiont is best explained by differentiation between temperate and polar regions and that of the mycobiont by an interaction of climatic and geographical factors. By partialling out the relative contribution of climate, geography and codispersal, we found that the most relevant factors shaping the genetic structure of the photobiont are climate and a history of codispersal. Mycobionts in the temperate region are consistently associated with a specific photobiont lineage. We therefore conclude that a photobiont switch in the past enabled C. aculeata to colonize temperate as well as polar habitats. Rare photobiont switches may increase the geographical range and ecological niche of lichen mycobionts by associating them with locally adapted photobionts in climatically different regions and, together with isolation by distance, may lead to genetic isolation between populations and thus drive the evolution of lichens.

  14. Extreme phenotypic variation in Cetraria aculeata (lichenized Ascomycota): adaptation or incidental modification?

    Science.gov (United States)

    Pérez-Ortega, Sergio; Fernández-Mendoza, Fernando; Raggio, José; Vivas, Mercedes; Ascaso, Carmen; Sancho, Leopoldo G.; Printzen, Christian; de los Ríos, Asunción

    2012-01-01

    Background and Aims Phenotypic variability is a successful strategy in lichens for colonizing different habitats. Vagrancy has been reported as a specific adaptation for lichens living in steppe habitats around the world. Among the facultatively vagrant species, the cosmopolitan Cetraria aculeata apparently forms extremely modified vagrant thalli in steppe habitats of Central Spain. The aim of this study was to investigate whether these changes are phenotypic plasticity (a single genotype producing different phenotypes), by characterizing the anatomical and ultrastructural changes observed in vagrant morphs, and measuring differences in ecophysiological performance. Methods Specimens of vagrant and attached populations of C. aculeata were collected on the steppes of Central Spain. The fungal internal transcribed spacer (ITS), glyceraldehyde-3-phosphate dehydrogenase (GPD) and the large sub-unit of the mitochondrial ribosomal DNA (mtLSUm), and the algal ITS and actin were studied within a population genetics framework. Semi-thin and ultrathin sections were analysed by means of optical, scanning electron and transmission electron microscopy. Gas exchange and chlorophyll fluorescence were used to compare the physiological performance of both morphs. Key Results and Conclusions Vagrant and attached morphs share multilocus haplotypes which may indicate that they belong to the same species in spite of their completely different anatomy. However, differentiation tests suggested that vagrant specimens do not represent a random sub-set of the surrounding population. The morphological differences were related to anatomical and ultrastructural differences. Large intercalary growth rates of thalli after the loss of the basal–apical thallus polarity may be the cause of the increased growth shown by vagrant specimens. The anatomical and morphological changes lead to greater duration of ecophysiological activity in vagrant specimens. Although the anatomical and physiological

  15. PALMA, an improved algorithm for DOSY signal processing

    CERN Document Server

    Cherni, Afef; Delsuc, Marc-André

    2016-01-01

    NMR is a tool of choice for the measure of diffusion coefficients of species in solution. The DOSY experiment, a 2D implementation of this measure, has proven to be particularly useful for the study of complex mixtures, molecular interactions, polymers, etc. However, DOSY data analysis requires to resort to inverse Laplace transform, in particular for polydisperse samples. This is a known difficult numerical task, for which we present here a novel approach. A new algorithm based on a splitting scheme and on the use of proximity operators is introduced. Used in conjunction with a Maximum Entropy and $\\ell_1$ hybrid regularisation, this algorithm converges rapidly and produces results robust against experimental noise. This method has been called PALMA. It is able to reproduce faithfully monodisperse as well as polydisperse systems, and numerous simulated and experimental examples are presented. It has been implemented on the server http://palma. labo.igbmc.fr where users can have their datasets processed autom...

  16. DNA barcoding for species identification in the Palmae family.

    Science.gov (United States)

    Naeem, A; Khan, A A; Cheema, H M N; Khan, I A; Buerkert, A

    2014-12-04

    DNA barcoding is a promising tool for species identification at the molecular level. The barcoding system is well established for species differentiation in animals, while it is less common in plants. We evaluated 2 barcoding regions, maturase K (matK) and ribulose bisphosphate carboxylase (rbcL), to compare species of Palmae according to amplification success, discrimination power, and inter- and intra-specific divergence. Both regions appear to have potential to discriminate most species of Palmae, but 2 species, Phoenix dactylifera and Phoenix sylvestris, did not show variation in the nucleotides of the barcode genes. P. sylvestris is said to be the sister species of P. dactilyfera according to its morphological and genetic proximity to the cultivated date palm. Thus, the status of these 2 species needs to be re-evaluated considering more genes as barcodes. Furthermore, rbcL has a higher discrimination power (90%) than matK (66.6%) and can thus be potentially used as a standard barcode to discriminate the species of Palmae.

  17. The Isaac Newton Group of Telescopes on La Palma

    Science.gov (United States)

    Benn, Chris R.

    2014-08-01

    The ING runs the highly-productive 4.2-mWilliam Herschel Telescope (WHT) and 2.5-m Isaac Newton Telescope (INT) on La Palma in the Canary Islands. I give an overview of the current operational model, commenting on how the model has evolved since the mid-1980s, and on the experience gained with e.g. instrument development; adaptive-optics/LGS deployment; hosting visiting instruments; scheduling; fault handling; student vs staff support of observers; and performance monitoring.

  18. Severe Weather Guide, Mediterranean Ports. 17. Palma, Mallorca

    Science.gov (United States)

    1988-05-01

    located on a bearing of 151’, 1,600 -.-d (1,463 m) from the head of the west breakwater, Dique del Oeste. A PALMA NAUTICAL MILE SCALE 3൪"N...well protected. According to local authorities, winds and waves do not necessitate protective measures within the harbor. A tall quay wall on Dique del...including aircraft carriers, are assigned to an anchorage located on a bearing of 151*, 1,600 yd (1,463 m) from the head of the west breakwater, Dique del

  19. [Severe malaria in Palmas, State of Tocantins: case report].

    Science.gov (United States)

    Parise, Eldi Vendrame

    2009-01-01

    Plasmodium falciparum causes the most severe clinical form of malaria. In this study, we report a severe case of malaria, through following up the patient and from notes in the medical files at the Palmas General Hospital. We discuss the outcome of this case and the complications caused by this infection, recognizing the potential risk of occurrences of severe malaria in not-endemic areas because of the delay in treatment, and the importance of intensifying surveillance measures involving all health unit employees, with emphasis on the reception areas for migrants from endemic regions.

  20. Erosion of river banks along the Paraná de las Palmas River, Argentina

    NARCIS (Netherlands)

    Den Bieman, J.; Van den Koppel, M.; Van Velzen, G.; Verbruggen, W.

    2010-01-01

    One of the branches of the Paraná delta is the Paraná de las Palmas River. This branch doesn’t have the biggest discharge but has the most navigation. The situation in the Paraná de las Palmas isn’t without problems though; the river banks show erosion over the whole length of the branch. This erosi

  1. La importancia de palmas en el oeste de la cuenca Amazónica

    DEFF Research Database (Denmark)

    Balslev, Henrik

    2011-01-01

    económica al nivel de subsistencia, es decir, el que cosecha la palma la utiliza, mientras que pocas especies entran el mercado regional y a veces nacional sirviendo como fuentes de ingreso económico a la población. Muchas de las palmas tienen usos múltiples, y en algunas comunidades se utilizan hasta 30...

  2. Characterization of the galactomannans from Parkinsonia aculeata seeds and their application on affinity chromatography

    Directory of Open Access Journals (Sweden)

    Ivone Garros-Rosa

    2006-06-01

    Full Text Available Successive aqueous (10 ºC, 25 ºC and 80 ºC and alkaline (1M NaOH; 25 ºC extractions of milled Parkinsonia aculeata endosperms gave rise to four galactomannan fractions. These extractions furnished viscous galactomannans with Man:Gal ratios ranging from 3.1:1; 3.7:1; 4.9:1 and 6.1:1 (P1, P2, P3 and P4, respectively. Fraction P1 was used for structural studies by using methylation analysis, periodate oxidation and 13C-NMR. It showed a linear backbone of beta(1->4 linked D-mannose units, to which single alpha(1->6-linked D-galactose are attached. This galactomannan has Mw 775700 g/mol and intrinsic viscosity of 558 mL/g. The four fractions and the crude endosperm were treated with epichlorydrin and used as matrix for affinity chromatography. All columns tested showed ability to bind lectin samples. The efficiency is related to the degree and pattern of substitution of galactosyl units on the D-mannan backbone.

  3. Carotenoids profile and total polyphenols in fruits of Pereskia aculeata Miller

    Directory of Open Access Journals (Sweden)

    Tânia da Silveira Agostini-Costa

    2012-03-01

    Full Text Available Pereskia aculeata Mill. (Ora-pro-nóbis is a native cactaceae from tropical America, whose leaves have high protein content. In Brazil it is found in all territorial extension between the states of Bahia and Rio Grande do Sul. Most studies have focused on chemical characterization of the leaves of this specie. The objective was to assess the carotenoids profile and the total polyphenols present in the fruits of P. aculeate. Carotenoids were determined by HPLC-PAD (high performance liquid chromatography - photodiode array detector, total polyphenols were determined by Folin-Ciocalteu and vanillin methods. Trans-β-carotene was the main carotenoid, followed by α-carotene, lutein and other minor carotenoids. It was found 64.9 ± 1.1 mg.100g-1 of gallic acid equivalent, 14.8 ± 0.2 mg.100g-1 of catechin equivalent. Carotenoid identification of P. aculeate fruits are presented here by the first time and indicate that these fruits can be researched as source of bioactive substances, especially antioxidant and provitamin A carotenoids.

  4. Il mestiere di tradurre 4: César Palma

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    César Palma

    2014-07-01

    Full Text Available Si toda entrevista a un traductor es una invitación directa a la lectura, no cabe duda de que recordar algunas de las traducciones que han salido de las manos de César Palma justifica aún más si cabe esta intención. De hecho, con una trayectoria que abarca casi ya las tres décadas, se deben a César Palma la traducción de títulos tan interesantes de la narrativa italiana del siglo pasado y principios del presente como, por poner unos ejemplos, El tablero ante el espejo de Massimo Bontempelli, La infancia de Nivasio Dolcemare de Alberto Savinio, La cofradía de los celestinos de Stefano Benni o tres de los mejores títulos de Mario Rigoni Stern, una “especie de envés de Jünger” según nos declaraba, El sergente en la nieve, Estaciones e Historia di Tönle. Entrevista de Juan Carlos Postigo Ríos y Juan Pérez Andrés.

  5. Simple and rapid methods for purification and characterization of active coagulants from the seeds of Vigna unguiculata and Parkinsonia aculeata.

    Science.gov (United States)

    Marobhe, N J; Dalhammar, G; Gunaratna, K R

    2007-06-01

    The coagulating properties of aqueous crude extracts and purified proteins of Vigna unguiculata and Parkinsonia aculeata seeds, which are traditional water coagulants in rural areas of Tanzania, were studied. The coagulation activity assays were done using one millilitre (ml) of kaolin water samples. Coagulating proteins were purified in two-step ion exchange chromatography. The properties of coagulant protein were compared with Moringa oleifera. Coagulating components eluted by 0.6 M NaCl in both coagulants are cationic proteins that have the molecular mass of about 6 kDa, which is very similar to that of M. oleifera. The proteins of V. unguiculata and P. aculeata eluted by 0.3 M NaCl also harbour coagulation activity but proteins eluted with 0.6 M NaCl have higher activity. The dosage for coagulation using purified proteins of both coagulants is about 5 to 10 times lower than that of crude seed extracts. The optimum floc settling time of water treated by crude seed extracts and purified proteins ranged between two and two and half hours. Coagulating proteins of both coagulants eluted by 0.6 M NaCl are thermoresistant and retained coagulation activity of 87% to 92% after boiling for two hours at 80 degrees C and one hour at 95 degrees C. Thermotolerant proteins of V. unguiculata eluted by 0.6 M NaCl and P. aculeata have wider pH range of 5.5 to 8.5 for coagulation activity than those of M. oleifera proteins. The present investigation reveals the possibility of using purified natural coagulants for water treatment to produce safe drinking water.

  6. Type specimens of Hymenoptera deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil (excluding Aculeata

    Directory of Open Access Journals (Sweden)

    Helena C. Onody

    2014-01-01

    Full Text Available The present paper lists the type specimens of Hymenoptera, excluding Aculeata, deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil. We record all labels contents and also additional information from MZSP registers, published material, and other available sources. High resolution photographs of holotypes, lectotypes and syntypes are available through links to Specimage - the image database of The Ohio State University, where they are archived. The collection comprises a total of 332 type-specimens (32 holotypes, 266 paratypes, 12 syntypes, 20 paralectotypes and two lectotypes of eight superfamilies, 18 families, 31 subfamilies, 43 genera and 83 species.

  7. Estudo anatômico de folha e caule de Pereskia aculeata Mill. (Cactaceae

    Directory of Open Access Journals (Sweden)

    M.R. Duarte

    2005-06-01

    Full Text Available Pereskia aculeata Mill. (Cactaceae é uma trepadeira arbustiva conhecida comumente como ora-pro-nobis. Apresenta elevado teor de mucilagem e proteína, sendo empregada na indústria alimentícia e farmacêutica. Na medicina popular, é utilizada externamente como emoliente. Este trabalho teve por objetivo estudar a anatomia foliar e caulinar da planta, a fim de fornecer informações complementares à sua identificação e aplicáveis ao seu controle de qualidade. Folhas adultas e fragmentos de caules foram fixados, seccionados à mão livre e corados com azul de astra e fucsina básica ou com azul de toluidina. Testes histoquímicos e análise ultra-estrutural de superfície foram realizados. A folha é simples e elíptica. Possui epiderme uniestratificada, estômatos paracíticos em ambas as faces, mesofilo que tende a ser dorsiventral, contendo numerosas drusas de oxalato de cálcio e células isodiamétricas grandes com conteúdo mucilaginoso. A nervura central é percorrida por um feixe vascular colateral em arco aberto. O pecíolo tem secção plano-convexa e um feixe colateral em formato de arco fechado. O caule, em estrutura secundária incipiente, possui epiderme unisseriada, colênquima angular, parênquima cortical com muitos amiloplastos, calotas de fibras perivasculares e organização vascular colateral. No córtex e na medula, são observadas numerosas cavidades com conteúdo mucilaginoso e drusas de oxalato de cálcio, estas também presentes no floema.

  8. Comunidades de palmas en América

    DEFF Research Database (Denmark)

    Balslev, Henrik

    2011-01-01

    .3 ± 11.3 DE especies. Los principales factores que determinan la riqueza de especies en las comunidades son el clima, los suelos, la hidrología y la topografía. Los bosques tropicales lluviosos de tierras bajas no-inundados son los más ricos en especies, en tanto que los bosques que se inundan o que...... crecen en suelos arenosos o en zonas con climas estacionales tienen mucho menos especies. Las 789 especies de palmas de América tropical pertenecen al modelo de Corner (cespitosas, 268 especies, 33%) o el modelo de Tomlinson (solitarias, 521 especies, 66%) para el patrón de ramificación. Asignamos las...

  9. The 1677 eruption of La Palma, Canary Islands

    Directory of Open Access Journals (Sweden)

    Rodríguez Badiola, E.

    1996-08-01

    Full Text Available The 1677 volcanic eruption, located close to the town of Fuencaliente at the south end of La Palma, has been associated with the large volcanic cone of San Antonio, an emission centre showing relatively high energy phreatomagmatic phases. However, detailed geological mapping and a reinterpretation of available eye-witness accounts elearly prove the San Antonio emission centre to be a preexisting volcano related to an eruption that occurred several thousands years earlier. The 1677 eruption, or Volcán de Fuencaliente is a low magnitude eruption composed of a small strombolian vent and a cluster of aligned spatter vents. About 75-125 x 106 m3 of lavas from these spatter vents covered an area of 4.5 x 106 m2 and formed a wide coastal platform with 1.6 x 106 m2 of new land gained from the sea. This modest magnitude eruption is in better accord with the negligible damage caused to the area reported in the contemporary accounts. This revision of the 1677 eruption and its magnitude is relevant for the precise reconstruction of the recent volcanism of La Palma and the correct definition of volcanic hazards in the island.La erupción de 1677, localizada cerca de la población de Fuencaliente en el S de la isla de La Palma, ha sido asociada hasta ahora con el cono volcánico denominado San Antonio. Este centro de emisión presenta fases eruptivas de energía relativamente elevada. El estudio geológico de detalle de esta erupción y la reinterpretación de los relatos de la época indican que el volcán San Antonio es, en realidad, un aparato volcánico preexistente, relacionado con algún episodio eruptivo de varios miles de años de antigüedad. La verdadera erupción de 1677 o Volcán de Fuencaliente, es de baja magnitud y está formada por pequeños centros eruptivos estrombolianos y conos alineados de escorias. El volumen de lavas emitidas es de unos 75-125 x 106 m3 y cubre una extensión de aproximadamente 4.5 x 106 m2, de los cuales 1.6 x 106 m2

  10. Induction of spawning in Capoeta aculeata, (Valenciennes in Cuv. & Val., 1844 (Teleostei, Cyprinidae, using carp pituitary extract

    Directory of Open Access Journals (Sweden)

    Reza Kamali-Far

    2009-10-01

    Full Text Available Capoeta aculeata is a benthopelagic fresh-water fish that lives in subtropical climates and has awidely distribution in Iranian river basins. Hatchery production of fish for stocking is an important means oftemporarily supplementing insufficient natural reproduction, thus help to maintain or restore eroded fishpopulation. This study was done in May and June 2007 on captured brood fish from Zayandeh-Rood River,Iran in order to reach a suitable technique of artificial reproduction of C. aculeata. Caught brood fish wereinjected with carp pituitary extract at doses of 0.75 and 1.5 milligram per kilogram body weight of fish.Brood fish were tested for ovulation each 12 hours from final injection for 3 days, but no sing of readinessfor spawning was observed. To gain confidence of experiment, the study was repeated after one monthfrom the first try with new fish. The result, however, was the same and didn’t attain to any success.Inadequate information about reproduction biology of this species is one of the most important reasons ofthe negative result. Furthermore, unsuitable hormone and dosages as well as inappropriate injection timescan be probable causes of this failure that should be evaluated in later studies.

  11. Biogenic ZnO nanoparticles synthesized using L. aculeata leaf extract and their antifungal activity against plant fungal pathogens

    Indian Academy of Sciences (India)

    S Narendhran; Rajeshwari Sivaraj

    2016-02-01

    In this study, Zinc oxide (ZnO) nanoparticles were synthesized using aqueous extract of Lantana aculeata Linn. leaf and assessed their effects on antifungal activity against the plant fungal pathogens. Synthesized nanoparticles were confirmed by ultraviolet–visible spectroscopy, Fourier transform infrared spectrometer, energy-dispersive X-ray spectrometer, X-ray diffractometer, Field-emission scanning electron microscopy, high-resolution transmission electron microscopy. The antifungal activity of ZnO nanoparticles were determined using the well diffusion method. All the characterization analyses revealed that nanoparticles were highly stable and crystalline in nature. L. aculeata-mediated ZnO nanoparticles were spherical in shape with an average particle size of 12 ± 3 nm. Antifungal studies concluded that the maximum zone of inhibition was observed in Aspergillus flavus (21 ± 1.0 mm) and Fusarium oxysporum (19 ± 1.0 mm) at 100 g ml-1 concentration. These results clearly indicated the benefits of using ZnO nanoparticles synthesized using biological methods and shown to have antifungal activities and also that it can be effectively used as antifungal agent in environmental aspect of agricultural development.

  12. Low genetic diversity in Antarctic populations of the lichen-forming ascomycete Cetraria aculeata and its photobiont

    Directory of Open Access Journals (Sweden)

    Stephanie Domaschke

    2012-03-01

    Full Text Available Lichens, symbiotic associations of fungi (mycobionts and green algae or cyanobacteria (photobionts, are poikilohydric organisms that are particularly well adapted to withstand adverse environmental conditions. Terrestrial ecosystems of the Antarctic are therefore largely dominated by lichens. The effects of global climate change are especially pronounced in the maritime Antarctic and it may be assumed that the lichen vegetation will profoundly change in the future. The genetic diversity of populations is closely correlated to their ability to adapt to changing environmental conditions and to their future evolutionary potential. In this study, we present evidence for low genetic diversity in Antarctic mycobiont and photobiont populations of the widespread lichen Cetraria aculeata. We compared between 110 and 219 DNA sequences from each of three gene loci for each symbiont. A total of 222 individuals from three Antarctic and nine antiboreal, temperate and Arctic populations were investigated. The mycobiont diversity is highest in Arctic populations, while the photobionts are most diverse in temperate regions. Photobiont diversity decreases significantly towards the Antarctic but less markedly towards the Arctic, indicating that ecological factors play a minor role in determining the diversity of Antarctic photobiont populations. Richness estimators calculated for the four geographical regions suggest that the low genetic diversity of Antarctic populations is not a sampling artefact. Cetraria aculeata appears to have diversified in the Arctic and subsequently expanded its range into the Southern Hemisphere. The reduced genetic diversity in the Antarctic is most likely due to founder effects during long-distance colonization.

  13. Läänemere strateegia arvestab kodanike ettepanekutega / Jose Palma Andres ; interv. Erkki Bahovski

    Index Scriptorium Estoniae

    Palma Andres, Jose

    2008-01-01

    Euroopa Komisjoni regionaalpoliitika peadirektoraadi direktor Jose Palma Andres vastab küsimustele, mis puudutavad avalikku debatti Läänemere strateegia üle ning Venemaa partnerlust Läänemere strateegias. Lisa: [Läänemere strateegia

  14. Toxicología aguda oral del extracto lipídico de Acrocomia crispa en ratones NMRI

    OpenAIRE

    Ariadne Gutiérrez Martínez; Carlos Nodal Flores; Isury Bucarano Lliteras; Eddy Goicochea Carrero

    2016-01-01

    El D-005 es un extracto lipídico del fruto de A. crispa (palma corojo), que contiene una mezcla de ácidos grasos, principalmente láurico, oleico, mirístico y palmítico. El tratamiento con D-005 por vía oral redujo el agrandamiento prostático inducido por testosterona en ratas. Se realizó el ensayo de toxicidad del D-005 con el objetivo de determinar los efectos tóxicos del D-005 administrado por vía oral, a ratones NMRI de ambos sexos. Se utilizó el método de las clases de toxicidad aguda, ad...

  15. First EURONEAR NEA discoveries from La Palma using the INT

    Science.gov (United States)

    Vaduvescu, O.; Hudin, L.; Tudor, V.; Char, F.; Mocnik, T.; Kwiatkowski, T.; de Leon, J.; Cabrera-Lavers, A.; Alvarez, C.; Popescu, M.; Cornea, R.; Díaz Alfaro, M.; Ordonez-Etxeberria, I.; Kamiński, K.; Stecklum, B.; Verdes-Montenegro, L.; Sota, A.; Casanova, V.; Martin Ruiz, S.; Duffard, R.; Zamora, O.; Gomez-Jimenez, M.; Micheli, M.; Koschny, D.; Busch, M.; Knofel, A.; Schwab, E.; Negueruela, I.; Dhillon, V.; Sahman, D.; Marchant, J.; Génova-Santos, R.; Rubiño-Martín, J. A.; Riddick, F. C.; Mendez, J.; Lopez-Martinez, F.; Gänsicke, B. T.; Hollands, M.; Kong, A. K. H.; Jin, R.; Hidalgo, S.; Murabito, S.; Font, J.; Bereciartua, A.; Abe, L.; Bendjoya, P.; Rivet, J. P.; Vernet, D.; Mihalea, S.; Inceu, V.; Gajdos, S.; Veres, P.; Serra-Ricart, M.; Abreu Rodriguez, D.

    2015-05-01

    Since 2006, the European Near Earth Asteroids Research (EURONEAR) project has been contributing to the research of near-Earth asteroids (NEAs) within a European network. One of the main aims is the amelioration of the orbits of NEAs, and starting in 2014 February we focus on the recovery of one-opposition NEAs using the Isaac Newton Telescope (INT) in La Palma in override mode. Part of this NEA recovery project, since 2014 June EURONEAR serendipitously started to discover and secure the first NEAs from La Palma and using the INT, thanks to the teamwork including amateurs and students who promptly reduce the data, report discoveries and secure new objects recovered with the INT and few other telescopes from the EURONEAR network. Five NEAs were discovered with the INT, including 2014 LU14, 2014 NL52 (one very fast rotator), 2014 OL339 (the fourth known Earth quasi-satellite), 2014 SG143 (a quite large NEA), and 2014 VP. Another very fast moving NEA was discovered but was unfortunately lost due to lack of follow-up time. Additionally, another 14 NEA candidates were identified based on two models, all being rapidly followed-up using the INT and another 11 telescopes within the EURONEAR network. They include one object discovered by Pan-STARRS, two Mars crossers, two Hungarias, one Jupiter trojan, and other few inner main belt asteroids (MBAs). Using the INT and Sierra Nevada 1.5 m for photometry, then the Gran Telescopio de Canarias for spectroscopy, we derived the very rapid rotation of 2014 NL52, then its albedo, magnitude, size, and its spectral class. Based on the total sky coverage in dark conditions, we evaluate the actual survey discovery rate using 2-m class telescopes. One NEA is possible to be discovered randomly within minimum 2.8 deg2 and maximum 5.5 deg2. These findings update our past statistics, being based on double sky coverage and taking into account the recent increase in discovery.

  16. Home dispossession: the uneven geography of evictions in Palma (Majorca

    Directory of Open Access Journals (Sweden)

    Vives-Miró, Sònia

    2015-09-01

    Full Text Available Affordable housing, either owner-occupied or rented, is regarded as a key element of social reproduction. However, processes of housing commodification and financialization have increasingly resulted in precariatization of the population and the loss of the right to housing. In the Spanish case, neoliberal policies geared to the revalorization of built environments had caused a housing bubble of historical magnitude. Since it burst, a large number of households have been dispossessed of housing, clearly reflected in the avalanche of foreclosures and evictions that hit Spanish cities as the crisis unfolded. This paper focuses on the urban area of Palma (Majorca by analyzing the foreclosures exerted on home­owners and the evictions of tenants who, from the start of the crisis of 2008, have not been able to afford their mortgage payments or rents. These evictions and foreclosures are correlated with the social status of the urban areas affected. The results show that the increase of evictions and foreclosures has emerged unevenly around the city. While tenant evictions have affected all types of urban areas, foreclosures have become much more evident in urban areas of low social status.

  17. SAGE CALCULATIONS OF THE TSUNAMI THREAT FROM LA PALMA

    Directory of Open Access Journals (Sweden)

    Galen Gisler

    2006-01-01

    Full Text Available With the LANL multiphysics hydrocode SAGE, we have performed several two-dimensional calculations and one three-dimensional calculation using the full Navier-Stokes equations, of a hypothetical landslide resembling the event posited by Ward and Day (2001, a lateral flank collapse of the Cumbre Vieja Volcano on La Palma that would produce a tsunami. The SAGE code has previously been used to model the Lituya Bay landslide-generated tsunami (Mader & Gittings, 2002, and has also been used to examine tsunami generation by asteroid impacts (Gisler, Weaver, Mader, & Gittings, 2003. This code uses continuous adaptive mesh refinement to focus computing resources where they are needed most, and accurate equations of state for water, air, and rock. We find that while high-amplitude waves are produced that would be highly dangerous to nearby communities (in the Canary Islands, and the shores of Morocco, Spain, and Portugal, the wavelengths and periods of these waves are relatively short, and they will not propagate efficiently over long distances.

  18. Arquitectura modernista en Palma de Mallorca : el edificio Forteza Rey

    Directory of Open Access Journals (Sweden)

    María José Galván Mostazo

    1989-01-01

    Full Text Available El edificio Forteza Rey es un fiel exponente de la arquitectura urbana burguesa de comienzos de siglo. Por su dinámica espacial y por su sintaxis decorativa puede englobarse bajo el denominado «modernismo». Tanto la riqueza iconográfica que presenta como su peculiar proceso de construcción, donde aparecen las figuras de artista aún sin estudiar (José Forteza Rey, su hijo Luis, José Alomar otorgan a este edificio un interés especial. Ubicada en el centro urbano de Palma de Mallorca, la Casa Rey está construida sobre un área aproximada de 130 m^ con un desarrollo a partir del nivel de calle de seis plantas más dos secciones subterráneas. Cada planta tiene una distribución espacial similar, acorde con las necesidades de sus ocupantes, aunque en todos los pisos coinciden la disposición de servicios (cocina, baños, despensas, cuarto de servicio, etcétera.

  19. Impact of cytomixis on meiosis, pollen viability and pollen size in wild populations of Himalayan poppy (Meconopsis aculeata Royle)

    Indian Academy of Sciences (India)

    V K Singhal; Puneet Kumar

    2008-09-01

    We report the occurrence of cytomixis in wild populations of Himalayan poppy (Meconopsis aculeata Royle), which is considered to be an important and threatened medicinal plant growing in the high hills of the Himalayas. The impact of cytomixis on meiotic behaviour, reduced pollen viability and heterogeneous-sized pollen grains was also studied. Cytological studies in the seven wild populations from the high hills of Himachal Pradesh revealed that all the Himalayan populations exist uniformly at the tetraploid level (2n=56) on x=14. The phenomenon of chromatin transfer among the proximate pollen mother cells (PMCs) in six populations caused various meiotic abnormalities. Chromatin transfer also resulted in the formation of coenocytes, aneuploid, polyploid and anucleated PMCs. Among individuals that showed chromatin transfer, chromosome stickiness and interbivalent connections were frequently observed in some PMCs. The phenomenon of cytomixis in the species seems to be directly under genetic control; it affects the meiotic course considerably and results in reduced pollen viability.

  20. Entrepreneurship and Social Innovation in Training and Human Capital Development: the Case of the Bank Palmas

    Directory of Open Access Journals (Sweden)

    Francisco José Lopes de Sousa Diniz

    2016-09-01

    Full Text Available This study aimed to analyze an entrepreneurial experience, social innovation and human capital; the object of the study is the Bank Palmas, located in Fortaleza, in Ceará, Brazil. This bank was created to address the need to promote the income generation and job, making use of a corporate economic system, which allows to overcome the poverty axis located in a suburb called Conjunto Palmeiras, with a population of 30 thousand inhabitants. For this, we used the descriptive and exploratory research with fieldwork conducted in the locality of Bank Palmas. These actions serve as a benchmark for innovative practices and have meaningful participation and involvement of local inhabitants. A population sample consisted of 207 individuals, associates and employees of the Bank Palmas and was used to analyze the descriptive and inferential statistics. The data suggest that the entrepreneurship development concepts and social innovation and human capital are implemented by the Bank Palmas with relevant results in the local community. Members and employees of the Bank Palmas through these various actions felt themselves as active players in transforming their reality. Investment in human development is considered as a major source of innovation, the organizations of various sectors of the economy need to incorporate the strategic management of human capital, as recommended in the literature on this topic, which considers the human capital as the set of all the skills, knowledge and experience of employees or managers, involving also the creativity and innovation.

  1. Análisis de calidad de los biogasoleos de aceite de palma e higuerilla.

    OpenAIRE

    Benjumea, Pedronel; Agudelo, Jhon Jairo; Benjamidez, Alirio Yovany

    2011-01-01

    El biodisel es un combustible obtenido a partir de materias primas de base renovable como los aceites vegetales. El objetivo de este trabajo es realizar un análisis de calidad de dos tipos de biodisel obtenidos a partir de materias primas disponibles en Colombia como es el caso de los aceites de palma e higuerilla. El biodisel de aceite de palma cumple con la mayoría de las especificaciones contempladas en las normas ASTM D- 975 y D-6751. La principal deficiencia técnica de este biodisel es e...

  2. El abastecimiento de agua potable a las Palmas de Gran Canaria, 1800-1946

    OpenAIRE

    1995-01-01

    [ES] Estudio monográfico que trata de desvelar los hechos y las claves históricas del servicio de suministro de agua potable en Las Palmas de Gran Canaria, complejo y eterno problema para el Ayuntamiento de esta ciudad.

  3. EFFECT OF HARVESTING AGE ON THE CHEMICAL AND MORPHOLOGICAL PROPERTIES OF DHAINCHA (SESBANIA ACULEATA AND ITS PULPABILITY AND BLEACHABILITY

    Directory of Open Access Journals (Sweden)

    M. Sarwar Jahan

    2009-05-01

    Full Text Available Dhaincha (Sesbania aculeata is one of the annual plants in Bangladesh that has potential as a fiber source. It is a crop generally cultivated for its nutritive value to soil. This paper describes the effect of harvesting age of dhaincha on chemical, morphological, pulp, and papermaking properties and its bleachability. Dhaincha is a short length fiber that can be used as a substitute to hardwood. Fiber length was found to increase slightly with increasing age of the plant. The alpha-cellulose content in dhaincha increased and pentosan decreased with increasing age. Dhaincha pulp was prepared from 2, 3, 4, 5, and 6 month old plants under identical cooking conditions. Pulp yield (43-45 % and kappa number (26-30 did not follow direct correlation with plant age. But physical properties of unbleached pulp increased linearly with the increase of age. Bleachability of dhaincha pulp was quite poor. The bleachability of pulp was improved when the age of dhaincha was increased.

  4. Consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma gigante (Opuntia ficus-indica Mill) e palma orelha-de-elefante (Opuntia sp.) - DOI: 10.4025/actascianimsci.v30i2.4684

    OpenAIRE

    Valéria Louro Ribeiro; Mário de Andrade Lira; Adriana Guim; Ângela Maria Vieira Batista; Maria Caroline de Almeida Cavalcanti; Agenor Costa Ribeiro Neto

    2008-01-01

    O presente trabalho teve por objetivo avaliar o consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma Gigante (Opuntia fícus-indica Mill) e palma Orelha-de-elefante (Opuntia sp.). Foram utilizados 20 animais mestiços, sendo dez caprinos e dez ovinos, alojados em galpão coletivo, contidos individualmente por meio de cordas, distribuídos em delineamento inteiramente casualizado, em um arranjo fatorial 2 x 2 (duas espécies animais e duas variedades de palma). As observaçõe...

  5. Gas treatment and emissions control in the incineration plant of urban wastes in Palma de Mallorca (Spain); Depuracion de gases y control de emisiones en la planta incineradora de RSU de Palma de Mallorca

    Energy Technology Data Exchange (ETDEWEB)

    Oms, M.T.; Colom-Altes, M.; Mateu Barcelo, J.

    1996-12-01

    The incineration plant of solid urban wastes in Palma de Mallorca (Spain) was necessary for the processing of wastes. The plant was built in 1996 and the article summarizer the design, construction and control emission during the combustion. (Author)

  6. Avaliação da atividade Anti-hiperglicemiante de extratos de Parkinsonia aculeata em ratos diabéticos

    OpenAIRE

    Catarina Rezende Leite, Ana

    2006-01-01

    Parkinsonia aculeta tem sido relatada na medicina popular como uma planta que é possuidora de ação no tratamento do Diabetes mellitus. A proposta desse estudo foi investigar a atividade dos extratos (hidroalcoólico e da fração aquosa) da P. aculeata em animais portadores de diabetes induzida por aloxana (150 mg/Kg) e em normoglicêmicos (NaCl 0,9%). Os extratos foram administrados nas concentrações de 250 mg/Kg e 125 mg/Kg e o veículo (água destilada, 5 mL/Kg) por via oral e dia...

  7. Desempenho produtivo de vacas 5/8 Holando/Zebu alimentadas com diferentes cultivares de palma forrageira (Opuntia e Nopalea

    Directory of Open Access Journals (Sweden)

    Santos Djalma Cordeiro dos

    2001-01-01

    Full Text Available Foi estudado o efeito de diferentes cultivares de palma forrageira sobre o desempenho produtivo de vacas mestiças holando/zebu. O delineamento experimental foi de ensaios alternativos, obedecendo a distribuição de quadrado latino, contendo três quadrados, com três períodos de 28 dias cada. Os tratamentos foram constituídos pelas cultivares de palma forrageira redonda, gigante e miúda. De modo geral, foram observadas pequenas variações na composição química dos cultivares de palma. Não foi observada diferença significativa quanto ao consumo de palma in natura, consumo de restolho de milho e consumo de matéria seca, entre os animais alimentados com as diferentes cultivares de palma, sendo de 54,21; 7,91; e 9,04 kg/dia, respectivamente. Também não foi observada diferença para as variáveis leite produzido, leite a 4% de gordura e relação de consumo de matéria seca para leite produzido. Os dados sugerem que vacas leiteiras mestiças podem ser alimentadas com diferentes cultivares de palma forrageira, sem comprometimento do desempenho produtivo das mesmas.

  8. Internet quality of service between the UK and La Palma in 1998 and 1999

    Science.gov (United States)

    McNerney, Paul; Steele, Iain A.

    2000-06-01

    The Liverpool telescope on La Palma will provide live images for planetarium shows in the Liverpool Museum in the UK. Data transfer will be achieved using the Internet. We implemented an automatic program of hourly ftp file transfers from La Palma to the UK throughout 1998 and 1999 to monitor the transfer rates achievable. We find that both the mean and minimum (on 9 out of 10 nights) transfer rates are a function of time of day on weekdays. In addition we find that the minimum transfer rate in early evening has increased from approximately 5 Kbytes/sec in 1998 to approximately 25 Kbytes/sec in 1999. This implies that a compression ratio of around 30:1 must be achieved to allow live display of 2048 X 2048 pixel CCD images in the UK within 10 seconds of the data being taken.

  9. Fraccionamiento e interesterificacion del aceite de palma (Elaeis guineensis cultivado en la amazonia peruana

    Directory of Open Access Journals (Sweden)

    Mancini Filho, Jorge

    2008-06-01

    Full Text Available In the present work, the physical and chemical characteristics of the fruit of the oily palm coming from the river basin of the Manití (Region Loreto - Peru were studied. Also, the fractionation of the palm oil and the interesterification of mixtures of palm oil/estearin was carried out. Physico- chemical properties of the crude oil and of the products obtained and fatty acids were analysed by gas chromatography. The level of saturated fatty acids increased from 51,17% in the palm oil to 54,31% in the stearin. The best products for the food industry were the interesterified samples as they had melting points close to 37 °C.En el presente trabajo se realizó el estudio de las características físicas y químicas del fruto de la palma aceitera procedente de la cuenca del Manití. (Región Loreto - Perú. Del mismo modo se realizó el fraccionamiento e interesterificación de las mezclas de aceite de palma y estearina en las proporciones. Sobre el aceite crudo y los productos se determinaron las propiedades físico-químicos y análisis de ácidos grasos mediante la cromatografía gaseosa. El aceite de palma presenta una concentración de ácido grasos saturados de 51,17% y cuando fraccionado a 25 °C, este se incrementa en la estearina a 54,31%. Los mejores productos para la industria de alimentos son las mezclas interesterificadas de estearina tanto sola como con sus mezclas con aceite de palma, dado que presentan puntos de fusión próximos a 37 °C.

  10. Malária grave em Palmas, Estado do Tocantins: relato de caso Severe malaria in Palmas, State of Tocantins: case report

    Directory of Open Access Journals (Sweden)

    Éldi Vendrame Parise

    2009-08-01

    Full Text Available Plasmodium falciparum causa a forma clínica mais grave da malária. Neste estudo, relatamos um caso de malária grave, através do acompanhamento do paciente e das anotações em prontuários médicos encontrados no Hospital Geral de Palmas. Discutimos o desfecho do caso e as complicações provocadas pela infecção, reconhecendo o risco potencial de ocorrência de malária grave em zona não endêmica, em consequência do retardo do tratamento e, a importância de intensificar medidas de vigilância que envolve todos os servidores das unidades de saúde, com ênfase para as áreas receptivas de migrantes oriundos de regiões endêmicas.Plasmodium falciparum causes the most severe clinical form of malaria. In this study, we report a severe case of malaria, through following up the patient and from notes in the medical files at the Palmas General Hospital. We discuss the outcome of this case and the complications caused by this infection, recognizing the potential risk of occurrences of severe malaria in not-endemic areas because of the delay in treatment, and the importance of intensifying surveillance measures involving all health unit employees, with emphasis on the reception areas for migrants from endemic regions.

  11. New xenophytes from La Palma (Canary Islands, Spain, with emphasis on naturalized and (potentially invasive species

    Directory of Open Access Journals (Sweden)

    R. Otto

    2016-07-01

    Full Text Available Many years of field work in La Palma (western Canary Islands yielded a number of interesting new records of non-native vascular plants. Amaranthus blitoides, A. deflexus, Aptenia cordifolia, Argemone ochroleuca, Begonia schmidtiana, Capsella rubella, Cardamine hamiltonii, Centratherum punctatum, Cerastium fontanum subsp. vulgare, Chasmanthe floribunda (widely confused with C. aethiopica and Crocosmia xcrocosmiiflora in Macaronesia, Chenopodium probstii, Commelina latifolia var. latifolia, Dichondra micrantha, Dysphania anthelmintica, Epilobium ciliatum, Erigeron sumatrensis, Erodium neuradifolium, Eucalyptus globulus, Euphorbia hypericifolia, E. maculata, Gamochaeta antillana, Geranium pyrenaicum, Hedychium coronarium, Hypochaeris radicata, Kalanchoe daigremontiana, K. delagoensis, K. xhoughtonii, Kickxia commutata subsp. graeca, K. spuria subsp. integrifolia, Lactuca viminea subsp. ramosissima, Landoltia punctata, Malvastrum coromandelianum subsp. capitatospicatum, Oenothera jamesii, Orobanche nana, Oxalis latifolia, Papaver hybridum, P. setigerum, Pilea microphylla, Podranea ricasoliana, Polygonum arenastrum, Portulaca granulatostellulata, P. nicaraguensis, P. nitida, P. papillatostellulata, Rumex crispus subsp. crispus, R. pulcher subsp. pulcher, R. xpratensis, Sechium edule, Sida spinosa var. angustifolia, Silene nocturna, Solanum abutiloides, S. alatum, S. decipiens, Sonchus tenerrimus, Spergularia marina, Stellaria pallida, Tragopogon porrifolius subsp. australis, Tribulus terrestris and Trifolium repens subsp. repens are naturalized or (potentially invasive xenophytes, reported for the first time from either the Canary Islands or from La Palma. 37 additional, presumably ephemeral taxa are reported for the first time from the Canary Islands, whereas 56 ephemeral taxa are new for La Palma..

  12. Estruturação de óleo de palma e emulsões utilizando óleo de palma totalmente hidrogenado e lecitina de soja

    OpenAIRE

    Valéria da Silva Santos

    2014-01-01

    Resumo: O óleo de palma (PO) destaca-se por ser uma matéria-prima com grande potencial de aplicação em diversos produtos. Porém, quando aplicado de maneira isolada, apresenta cristalização lenta, gerando problemas para a indústria de alimentos. A fim de acelerar a cristalização utilizam-se compostos que podem, além de contribuir para a redução do período de indução, atuar como agentes estruturantes, atual foco em desenvolvimento na área de óleos e gorduras. Este estudo tem por objetivos avali...

  13. Solidarity finance through community development banks as a strategy for reshaping local economies: lessons from Banco Palmas

    Directory of Open Access Journals (Sweden)

    Genauto Carvalho de França Filho

    2012-09-01

    Full Text Available The purpose of this paper is to reflect on the possibilities and challenges of Community Development Banks (CDBs as an innovative method of socioeconomic management of microcredit for poor populations. To this end, we will discuss the case of Banco Palmas in Conjunto Palmeiras in the city of Fortaleza, in the northeastern state of Ceará, as an empirical case study. The analyses presented here are based on information obtained from Banco Palmas between late 2011 and early 2012. In addition, previous studies by other researchers on the bank and other studies on CDBs were important. The primary data collected at Banco Palmas came from documents made available by the bank, such as reports and mappings. The analyses describe some of the characteristics of the granting of microcredit and allow one to situate it in the universe of microfinance and solidarity finance. They also show the significant growth of local consumption, mostly through the use of the Palmas social currency. The Banco Palmas experience, aside from influencing national public policies of solidarity finance, initiated a CDBs network that encourages the replication of these experiences throughout the country.

  14. Stability analysis of Western flank of Cumbre Vieja volcano (La Palma) using numerical modelling

    Science.gov (United States)

    Bru, Guadalupe; Gonzalez, Pablo J.; Fernandez-Merodo, Jose A.; Fernandez, Jose

    2016-04-01

    La Palma volcanic island is one of the youngest of the Canary archipelago, being a composite volcano formed by three overlapping volcanic centers. There are clear onshore and offshore evidences of past giant landslides that have occurred during its evolution. Currently, the active Cumbre Vieja volcano is in an early development state (Carracedo et al., 2001). The study of flank instability processes aim to assess, among other hazards, catastrophic collapse and potential tsunami generation. Early studies of the potential instability of Cumbre Vieja volcano western flank have focused on the use of sparse geodetic networks (Moss et al. 1999), surface geological mapping techniques (Day et al. 1999) and offshore bathymetry (Urgeles et al. 1999). Recently, a dense GNSS network and satellite radar interferometry results indicate ground motion consistent with deep-seated creeping processes (Prieto et al. 2009, Gonzalez et al. 2010). In this work, we present a geomechanical advanced numerical model that captures the ongoing deformation processes at Cumbre Vieja. We choose the Finite Elements Method (FEM) which is based in continuum mechanics and is the most used for geotechnical applications. FEM has the ability of using arbitrary geometry, heterogeneities, irregular boundaries and different constitutive models representative of the geotechnical units involved. Our main contribution is the introduction of an inverse approach to constrain the geomechanical parameters using satellite radar interferometry displacements. This is the first application of such approach on a large volcano flank study. We suggest that the use of surface displacements and inverse methods to rigorously constrain the geomechanical model parameter space is a powerful tool to understand volcano flank instability. A particular important result of the studied case is the estimation of displaced rock volume, which is a parameter of critical importance for simulations of Cumbre Vieja tsunamigenic hazard

  15. Proyecto de consolidación de Son Espases Vell, Palma de Mallorca

    OpenAIRE

    ANTÓN ESTEVE, NURIA

    2011-01-01

    Trabajo científico técnico. El presente proyecto se centra en la consolidación de una casa pallesa, antigua casa de aperos, situada en el solar de Son Espases, de proporciones humildes y con diversas intervenciones a lo largo de distintas épocas, y que guarda muchos de los elementos tradicionales de la arquitectura popular mallorquina, así como sus sistemas constructivos. Antón Esteve, N. (2011). Proyecto de consolidación de Son Espases Vell, Palma de Mallorca. http://hdl.handle.net/10251/...

  16. Cephaloleia sp. Cerca a Vagelineata Pic*, una Plaga de la Palma Africana

    Directory of Open Access Journals (Sweden)

    Urueta Sandino Eduardo

    1972-08-01

    Full Text Available Cephalolia sp. y Cephaloleila sp, se han empleado como sinónimos del género Cepaloleia sp. (Lepesme. 1947. Se sabe que los estados de larva y adulto atacan el follaje de la palma africana (Elaeis guineensis Jacq. trayendo muchas veces como consecuencia secamientos en los folíolos o su invasión por hongos. En Colombia el Cephaloleia próximo a vagelineata Pic se presenta en la zona de Urabá y posiblemente en el Departamento de Santander.

  17. LA INDUSTRIA DE LA PALMA DE ACEITE EN ACAPETAHUA, CHIAPAS: EL CASO DE PROPALMA

    OpenAIRE

    Mazariegos Sánchez, Adriana; Ã guila González, José Manuel; Martínez Chávez, Josefina; Arévalo Lozano, Ovidio

    2014-01-01

    This research presents a socio-organizational within the African Palm industry in Mexico, specifically in the company "Promotora de Palma del Soconusco S.A.P.I. CV- (Propalma)5, located in the municipality of Acapetahua, in the State of Chiapas, whose primary activity is the extraction of palm oil and palm kernel oil, and the production of products such as palm kernel and palm kernel husk flour. This research was developed under the qualitative approach, using the descriptive method, to see f...

  18. Fenología reproductiva de la palma, Oenocarpus bataua (Arecacea) en un bosque premontano

    OpenAIRE

    Álvarez Benjumea, Luis Germán

    2014-01-01

    Resumen: Se presentan los resultados de una investigación, sobre la fenología reproductiva de la palma Oenocarpus bataua a nivel individual y poblacional, utilizando una amplia muestra de datos de más de 9 años, de los cuales 5 corresponden a una investigación previa en la zona de estudio, con el fin de documentar los patrones fenológicos supra-anuales de la especie, en un bosque subandino de la cordillera Central en los municipios de Amalfi y Yolombó. Se estudió el efecto conjunto de dif...

  19. Producing a “Successful City”: Neoliberal Urbanism and Gentrification in the Tourist City—The Case of Palma (Majorca

    Directory of Open Access Journals (Sweden)

    Sònia Vives Miró

    2011-01-01

    Full Text Available Since the 1990s, the intensification of capital accumulation, especially in its financial dimension, has been one of the keystones for the triumph of neoliberalism. Spanish neoliberal policies have focused on the flexibilization of the real estate sector, leading to the specialization in the secondary circuit of accumulation. This has generated a third real estate boom which has been accompanied with an outstanding housing bubble. The Balearic Islands are a paradigmatic case within these logics, tourist specialization being the main trigger of the process. In Palma, the region's capital, neoliberal urban planning policies have been implemented in order to convert it into a “successful city” within the global urban network competition. These policies have led to Palma's uneven geographical development through processes like gentrification, as is the case of the Gerreria, a neighborhood of Palma's city center.

  20. CONTENIDO DE POLIAMINAS LIBRES EN PALMAS AFECTADAS POR PUDRICION DEL COGOLLO EN LAS ZONAS CENTRAL Y OCCIDENTAL DE COLOMBIA

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    Prada Fausto

    2010-04-01

    Full Text Available La pudrición del cogollo (PC es la principal enfermedad de la palma en Colombia. En las zonas palmeras Central (ZC y Oriental (ZE, las palmas enfermas pueden recuperarse naturalmente. En la Zona Occidental (ZW el proceso de recuperación no es evidente. La recuperación de palmas está ligada a gran actividad meristemática que podría involucrar la acción inductora de metabolitos como las poliaminas (PA. Este trabajo muestra la relación entre poliaminas del meristemo y la capacidad de recuperación de palmas con PC, en dos zonas agroclimáticas diferentes. Poliaminas extraídas del meristemo de palmas sembradas en ZC y ZW, fueron analizadas por HPLC. En ZC, donde existe recuperación espontánea, los niveles más altos de PA se presentan en palmas sanas y en recuperación y a medida que avanza la enfermedad la concentración desciende hasta un mínimo en el estado de PC inicial (PCI. Luego la concentración de PA aumenta hasta el estado de Buena Recuperación (BR donde los valores de poliaminas son más altos que los de palmas sanas. En la ZW, con la enfermedad el contenido de PA aumenta llegando al máximo en plantas sin recuperación y el mínimo se presenta en plantas sanas. Las diferencias entre zonas pueden explicarse por diferentes roles de las poliaminas en plantas. En la ZC la cantidad elevada de PA en palmas sanas o en recuperación funcionaría en la inducción de actividad meristemática, para la recuperación espontánea. En la ZW el aumento en el contenido de PA con la enfermedad induciría la generación de especies reactivas de oxígeno para defensa secundaria de la planta ante la imposibilidad de, a través de incrementos en la actividad meristemática producir rápidamente estructuras sanas que no sean reinfectadas.

  1. Longevidad y anillos de crecimiento en el Pino de la Virgen (El Paso, La Palma

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    María del Mar Génova Fuester

    2013-11-01

    Full Text Available En el seno del proyecto de investigación que se está desarrollando en Canarias orientado a la reconstrucción de la variabilidad climática del Archipiélago a lo largo del último milenio a partir de la información climática contenida en los anillos de crecimiento de ejemplares de pino canario, uno de los árboles estudiados ha sido el célebre Pino de la Virgen de El Paso, La Palma. Su alto valor simbólico y cultural ha llevado a un análisis más detenido, centrado en la aplicación de técnicas específicas para la estimación de su edad.Within the framework of the investigation wich is being developed in the Canary Islans for the reconstruction of the last millennium climatic variability in the Archipelago from the climatic information recorded in canary pine tree-rings, one of the analized trees has been the renowed Pino de La VIrgen de El Paso, La Palma. Its high simbolic and cultural value deserved the application of specific techniques for the estimation of its age. 

  2. Sorption of U(VI) to G. uraniireducens and A. palmae under Old Rifle Conditions

    Science.gov (United States)

    Leavitt, J.; Cabaniss, S.; Howe, K.; Comolli, L.; Long, P.; Stucker, V.

    2011-12-01

    Microbial reduction as a remediation method for uranium contaminated Department of Energy (DOE) sites has been explored with promising results. Although transport models have been improved to include variations in geochemical concentration, reductive microbial processes and adsorption of uranium to minerals, they do not incorporate the presence of microbes as possible sorption surfaces that may influence the overall transport of uranium. Our overall objective is to examine U(VI) sorption to biomass by determining partition coefficients between U(VI) and the microbial species of Geobacter uraniireducens and Acholeplasma palmae. Once these partition coefficients are obtained, they will be incorporated into a thermodynamic model with the geochemical parameters of the Old Rifle Site. Preliminary results indicate that U(VI) sorbs 1000X more strongly to bacteria under atmospheric pCO2 conditions than under 2% pCO2 conditions. U(VI) sorption to the surface of G. uraniireducens is 4X stronger than to the surface of A. Palmae and in high-DIC waters is comparable in strength to reported U(VI)-mineral surface sorption. While the concentration of G. uraniireducens during and after remediation results in relatively small sorption site density, the possibility persists that sorption to G. uraniireducens may retard uranium transport at the geochemical gradients which exist in nature.

  3. SPINAL CORD TRAUMA PATIENTS TREATED IN A TERTIARY HOSPITAL IN PALMAS, BRAZIL

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    Danilo Lopes Castro

    2015-09-01

    Full Text Available Objective:Traumatic spinal cord injury is one of the leading causes of disability worldwide, mainly related to automobile accidents. It was decided to establish a clinical-epidemiological profile of spinal cord injury (SCI in Palmas, Brazil.Method:Prospective study at the Public General Hospital of Palmas (HGPP, including all patients admitted in this hospital from January 2011 to February 2012.Results:They refer to 59 patients, of whom 81.4% were men and 47.4% of the victims had up to 40 years. The main mechanism of injury was motor vehicle accidents involving motorcycles. Clinically, the vertebral segment C4-C7 was the most damaged, and most patients were admitted with spinal injury and no neurological deficit (Frankel E.Conclusions:Primary involvement of young men in working age, trauma mainly due to car accidents that are usually associated with the use of alcoholic beverages. Patients admitted with more severe neurological deficits have evolved to milder impairments after conservative or surgical treatment.

  4. Methodology for generation of hydrogeologic maps: rio da Palma watershed case study, DF, Brazil

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    Hélio Nóbile Diniz

    2007-08-01

    Full Text Available This paper had the objective of developing a methodology to support the management of water resources, based on hydro geological cartography, tested for the hydro geologic conditions of a watershed located at Central Brazil. Results show two major products: a hydro geologic, and a potential infiltration and recharge maps of the high course of the Rio da Palma watershed. This paper is presented in six parts. The first one discusses the map’s elements, essential thematic maps and appropriate scales. The second part proposes the graphic criteria for the integrated representation of the major parameters of overlaying aquifers. The third part demonstrates the importance of the data basis for the hydro geologic cartography, i.e., the contribution of each theme such as soil, geology, slope, climate and land use, when appropriately integrated. The fourth part discusses the selection and the integration of the main information layers for the Rio da Palma watershed using a Geographic Information System (GIS. On the fifth part, the result of the integration of the porous domain with the fractured domain aquifer information layers is shown and, finally, the potential infiltration and recharge map of the studied area, elaborated from the integration of overlapping of the data basis information layers is presented and discussed. In general, in the studied area, regions with high infiltration potential prevail where human interference is still moderate. Large portions of low infiltration potential are either associated with high slopes, with shallow soils (Cambissolos or else with urban constructions.

  5. Petrological and geochemical studies of mantle xenoliths from La Palma, Canary Islands

    Science.gov (United States)

    Janisch, Astrid; Ntaflos, Theodoros

    2015-04-01

    La Palma is the second youngest island, after El Hierro, of the Canary archipelago. The archipelago consists of seven large islands, forming an east-west-trending island chain, and several seamounts. All together they form a volcanic belt of around 800 km length and 450 km width, which presumably comprises roughly the Canary hotspot. The islands are located off the western coast of Morocco, Africa. The distance ranges from 100 km to 500 km. Concurrently with the distance, subaerial volcanism age progresses from the oldest lava in the east to the youngest in the west of the archipelago. Presently, La Palma is in the shield building stage of growth (alongside with El Hierro and Tenerife) and is furthermore the fastest growing island of the Canary archipelago. Historical volcanic eruptions are restricted on the younger islands, La Palma and El Hierro, with the last eruption at the south end of La Palma in 1971. Mantle xenoliths described in this work were collected at the slopes of San Antonio Volcano, Fuencaliente, brought to the surface during the 1677/1678 eruption. The mantle xenolith collection comprises sp-lherzolites, sp-harzburgites and pyroxenites. The texture can be distinguished between coarse-grained matrix and fine-grained veins in various thicknesses, mostly with olivine and pyroxene but also with amphibole, phlogopite as well as apatite. Mineral analyses reveal the existence of primary and secondary ol, cpx and opx. Primary ol has Fo contents of 89.2 to 91.7 and NiO ranging from 0.3 to 0.45 wt.%, whereas secondary ol show Fo values of 78.4 to 91.9 but with NiO below 0.3 wt.%. Primary cpx are predominantly Cr-Diopsides with En48.7-51.9-Wo43.5-44.3-Fs4.1-4.9 and Mg# of 91.5 to 92.4. Secondary cpx, primarily Ti-Augit, display En36.7-44.4-Wo47.7-49.6-Fs6.7-13.0 and Mg# of 75.3 to 90.8. Primary opx compositions are in range of En89.3-90.6-Wo1.3-1.5-Fs8.1-9.3 with Mg# between 90.7 and 92.0. Secondary opx exhibit En88.7-89.2-Wo1.7-1.9-Fs9.1-9.5 and Mg# of 90

  6. Qualidade de vida na cidade de Palmas - TO: uma análise através de indicadores habitacionais e ambientais urbanos Life quality in Palmas - TO: an analisys through housing and urban environmental indicators

    Directory of Open Access Journals (Sweden)

    Faida Kran

    2006-12-01

    Full Text Available O presente artigo discute a qualidade de vida na cidade de Palmas, capital do Estado do Tocantins, através de uma análise da habitação e seu entorno, utilizando um grupo de dez indicadores que foram capazes de identificar, em Palmas, semelhantes condições de vulnerabilidade sócio-ambiental, vistas também em tantas outras cidades brasileiras, apesar dos discursos que legitimaram a sua criação e da mesma ter alcançado, até o presente, alguns bons indicadores sócio-ambientais.The present article discusses life quality in Palmas, the capital of Tocantins State, through an analysis of housing and its surroundings group of ten indicators, that were capable of identifying in Palmas similar conditions of socio-environmental vulnerability, also seen in many other Brazilian cities, in spite of the discourses that legitimized its creation and of the fact that the city indeed attained some good indicators up to the present moment.

  7. Palma: The oscillating core of a suspended periphery. An imagologic approach to an island city and its discourse of pleasure

    Directory of Open Access Journals (Sweden)

    Eduard Moyà

    2015-06-01

    Full Text Available In the first decades of the twentieth century Palma emerged as a city worth visiting with a promising network of hotels and organised tours. Palma became an urban playground for British bohemians, artists, expatriates, and socialites. Their notion of leisure and pleasure (on a faraway island provided the leitmotiv for the years to come. The purpose of this paper is to inspect the extent of which the different discourses adopted by British travel writers in the beginning of the twentieth century (coinciding with the birth of modern tourism on the island worked to conform a contemporary vision of Palma and its coastal suburban areas (such as Magaluf or El Arenal as opposed to the (rural and allegedly ‘authentic’ island. Firstly, the paper examines the different stages through which both Palma and the island are discursively constructed as opposed entities in the travel accounts in Mallorca’s first stages of tourism. A special focus is given to the discursive and ideological tools deployed to embellish upon or belittle the city and the island. Finally, I suggest that the images proposed by travellers in their accounts a hundred years ago evolve in today’s imagotypes of the island and its city.

  8. LA PALMA AMARGA (Sabal mauritiiformis, Arecaceae EN SISTEMAS PRODUCTIVOS DEL CARIBE COLOMBIANO: ESTUDIO DE CASO EN PIOJÓ, ATLÁNTICO

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    Viviana ANDRADE-ERAZO

    2016-01-01

    Full Text Available La palma Sabal mauritiiformis es un recurso importante en el Caribe colombiano debido al uso de sus hojas para techar. Para evaluar el estado de sus poblaciones en Piojó (Atlántico, uno de los municipios más productores de hojas, se estudió la densidad y la estructura poblacional de la palma. Se establecieron 16 parcelas de 0,1 ha, en los tres sistemas de uso de suelo más comunes en la zona: ganadería (6, cultivos (5 y rastrojo (5. Se encontró que la palma amarga constituye un recurso silvestre, muy resistente y capaz de adaptarse a ambientes perturbados pues está incorporada en sistemas productivos de cultivos, rastrojos y ganadería, donde las prácticas de manejo influyen en la densidad y estructura de sus poblaciones. La palma es muy resistente y capaz de adaptarse a ambientes perturbados. El área estudiada incluyó 5349 individuos distribuidos en cuatro categorías de tamaño. Los rastrojos (3620 ± 2808 individuos/hectárea y los cultivos (5612 ± 3361 ind/ha presentaron más individuos y mejores estructuras poblacionales que las áreas de ganadería (1488 ± 827 ind/ha, en las cuales se encontraron poblaciones más deterioradas por efecto del pisoteo y el forrajeo. La prevalencia de individuos en algunas clases de tamaño refleja las condiciones de manejo actual e histórico; actividades como el pastoreo o las quemas, sin una apropiada planificación, pueden comprometer el desarrollo de las poblaciones de la palma y la futura disponibilidad del recurso.

  9. Contribution to knowledge of Palmas Grassland mammals, Paraná, Brazil

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    Fernando de Camargo Passos

    2008-06-01

    Full Text Available The southern region of Paraná State is considered to be a priority area for mammal research in the state. This work aimed to present an inventory of the mammal species occurring in the locality known as Campos de Palmas, Paraná, Southern Brazil (26º34’59”S and 51º36’16”W, and to promote discussion about their importance for regional conservation. This assessment was carried out in two field stages, totaling 15 days. Thirty-five mammal species were recorded by direct observation, capture with mist nets, presence of feces and tracks, and identification of animals killed on the BR-280 highway. This inventory registered endangered species for Paraná and Brazil, as well as other important records of some mammal species at regional and national level.

  10. Assessing equity of public transport: the case of Palma (Mallorca, Illes Balears

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    Maurici Ruiz

    2017-01-01

    Full Text Available The practice of sustainable transport planning must take into account the level of territorial and social equity of service. The equity analysis requires a deep understanding of the service and the territorial and social characteristics where it is implanted. We propose a simplified method to analyze the equity of the public bus system that has been used in the city of Palma de Mallorca. The bus service level was calculated from the spatial analysis of the offer and was contrasted with the population and with a multidimensional index of social need for public transportation leading to horizontal and vertical equity respectively. Next the overall equity of the service was tested with the support of the Lorenz curve and Gini coefficient. Finally, a sensitivity analysis of bus routes depending on the role they play in the equity of the service was performed.

  11. Proyecto de desarrollo para evaluar la factibilidad del cultivo de palma africana como materia prima exportable para la producción de biodiesel

    OpenAIRE

    Marcillo Chasy, Lorena Elizabeth; Vargas Campoverde, Maria Fernanda; Veloz Pacheco, Jessica

    2009-01-01

    Hay cultivos agrícolas, como el de la Palma Africana, que están sustituyendo a la producción de oleaginosas tradicionales en el Ecuador y los productos provenientes del extranjero, que poco a poco van teniendo un impacto positivo en la vida de las comunidades indígenas y campesinas (generación de empleo). La palma africana también es conocida como palma aceitera, porque de ella se extrae aceite comestible, pero también tiene diversos usos, como por ejemplo; para productos alimenticios, med...

  12. Dinámica poblacional de la palma Euterpe oleracea (Arecaceae) en bosques inundables del Chocó, Pacífico colombiano

    OpenAIRE

    A. Arango, Diego; J. Duque, Álvaro; Muñoz, Edinson

    2009-01-01

    La palma Euterpe oleracea es una especie dominante y promisoria en el plano inundable del río Atrato, región del Chocó, Colombia. Nosotros evaluamos la dinámica poblacional de esta especie a través de las tasas de crecimiento, la mortalidad y los patrones de reclutamiento para un período de dos años y medio. La dinámica de las tasas fue comparada entre bosques de palma mixto y puro. Estos tipos de vegetación fueron asociados con diferentes regimenes de inundación. Árboles y palmas fueron cort...

  13. Brigada Estudantil de Prevenção de Acidentese Primeiros Socorros em Palmas (TO

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    Luiza Lelis Neves Lima

    Full Text Available RESUMO A Universidade Federal do Tocantins, o Samu, as Secretarias Municipais de Saúde e de Educação de Palmas e o Centro Universitário Luterano de Palmas elaboraram, em parceria, uma proposta de ações de prevenção de acidentes e primeiros socorros direcionada às escolas do município, a fim de preparar a comunidade escolar para lidar com situações adversas e acidentes. A equipe do Samu e das secretarias realizou a capacitação no Módulo de Urgências e Emergências dos acadêmicos do curso de Medicina da Universidade Federal do Tocantins (UFT, do internato e também da Liga Universitária Tocantinense de Trauma (Lutte e dos acadêmicos de Enfermagem da Ulbra para que seus integrantes ministrassem palestras aos funcionários das escolas da rede municipal. A Brigada apresentou resultados positivos quanto à aceitação e à satisfação dos funcionários das escolas, que tiveram a oportunidade de tirar suas dúvidas sobre situações rotineiras vivenciadas tanto por alunos quanto por eles próprios nas escolas. A experiência foi também enriquecedora para os acadêmicos, que tiveram a oportunidade de exercer sua cidadania, contribuindo para o bem-estar da sociedade e para a promoção da saúde.

  14. La utilización diferencial del espacio urbano en el sector de Arenales. Las Palmas de Gran Canaria

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    Silvia Sobral García

    2013-11-01

    Full Text Available En este artículo se aborda el análisis de los usos urbanos registrados en el barrio de Arenales, uno de los sectores más representativos de la ciudad de Las Palmas de Gran Canaria. En este sentido, se ofrece un ejemplo de cómo utilizar de forma más racional el suelo,  de acuerdo a las características morfológicas y urbanas del área y al papel que juega dentro de la ciudad.This article deals with the analysis of the urban uses in the area of Arenales which is one of the most representative districts in the city of Las Palmas de Gran Canaria and it seeks to suggest a more rational land use according to the morphologic and urban features of the area in question and to the role it plays in this town.

  15. Implementació del programari lliure al web de la Biblioteca Pública de Palma Can Sales

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    Ordóñez Nievas, Ramón

    2014-12-01

    Full Text Available Es descriu el projecte de disseny i implementació del web de la Biblioteca Pública de Palma Can Sales per mitjà d'un sistema de gestió de continguts open source que permeti integrar les noves tecnologies de la informació i comunicació, obtenir un major grau d'accessibilitat i usabilitat i un disseny visual més amigable, acord amb les noves tendències web. S'incorporen les noves eines web 2.0 per aconseguir una major participació dels usuaris en l'elaboració dels continguts i millorar així els serveis oferts. Finalment, es destaca en aquest procés la utilització d'eines, extensions i altres aplicacions de programari lliure en totes les etapes del seu desenvolupament.Se describe el proyecto de diseño e implementación de la página web de la Biblioteca Pública de Can Sales a través de un sistema de gestión de contenidos open source que permita integrar las nuevas tecnologías de la información y comunicación, obtener un mayor grado de accesibilidad y usabilidad y un diseño visual más amigable acorde con las nuevas tendencias web. Se incorporan las nuevas herramientas web 2.0 para conseguir una mayor participación de los usuarios en la elaboración de los contenidos y mejorar así los servicios ofrecidos. Finalmente se destaca en este proceso la utilización de herramientas, extensiones y demás aplicaciones de software libre en todas las etapas de su desarrollo.This paper reports on the design and development of the website of Can Sales, the public library in Palma, Majorca whose open source contents management system has made it possible to integrate the new ITs, improve site accessibility and usability and make the website’s visual experience more user friendly. The website has incorporated new Web 2.0 tools to improve its services and allow users to participate more actively in the design and development of the contents. Finally, the paper also focuses on the importance, at all stages of the project, of the tools

  16. Impacts of large herbivores on spinescence and abundance of palms in the Pantanal, Brazil

    DEFF Research Database (Denmark)

    Göldel, Bastian; Cardoso, Andréa C.; Kissling, W. Daniel

    2016-01-01

    for > 200 years. We tested the impact of cattle on spinescence and abundance of four common palm species (three armed: Acrocomia aculeata, Bactris glaucescens, Copernicia alba; one unarmed: Attalea phalerata), comparing areas with cattle to areas free of cattle for 30 years. We measured spine length...

  17. El aprovechamiento de palma camedor en la Selva Lacandona, Chiapas, México. ¿Conservación con desarrollo?

    Directory of Open Access Journals (Sweden)

    Gabriela Buda Arango

    2014-01-01

    Full Text Available El uso de recursos forestales no maderables se asocia a la conservación de ecosistemas y la generación de ingresos para las poblacio - nes de bosques y selvas. Esta no es una rela - ción directa. En la Selva Lacandona, la ven - ta de palma camedor genera ingresos para las comunidades, pero el tipo de aprovecha - miento parece sobreexplotar el recurso. El gobierno ha intentado regular su uso a tra - vés de Unidades de Manejo para la Conser - vación de la Vida Silvestre ( UMA , pero con un limitado desempeño ambiental y social. Caracterizamos el aprovechamiento y la producción de palma en la Lacandona y analizamos la efectividad de las UMA de palma en la región. Las deficiencias y esca - sos resultados de estas derivan de su enfoque técnico y normativo, asi como de la escasa negociación y conciliación de intereses entre sus actores.

  18. Consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma gigante (Opuntia ficus-indica Mill) e palma orelha-de-elefante (Opuntia sp.) = Intake and ingestive behavior of sheep and goats fed with cactus pear (Opuntia ficus-indica Mill) and prickly pear (Opuntia sp.)

    OpenAIRE

    Agenor Costa Ribeiro Neto; Valéria Louro Ribeiro; Adriana Guim; Mário de Andrade Lira; Ângela Maria Vieira Batista; Maria Caroline de Almeida Cavalcanti

    2008-01-01

    O presente trabalho teve por objetivo avaliar o consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma Gigante (Opuntia ficus-indica Mill) e palma Orelhade-elefante (Opuntia sp.). Foram utilizados 20 animais mestiços, sendo dez caprinos e dez ovinos, alojados em galpão coletivo, contidos individualmente por meio de cordas, distribuídos em delineamento inteiramente casualizado, em um arranjo fatorial 2 x 2 (duas espécies animais e duas variedades de palma). As observações...

  19. El abastecimiento de pescado fresco en Las Palmas de Gran Canaria a fines del siglo XVIII

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    Antonio de BETHENCOURT MASSIEU

    2009-12-01

    Full Text Available En el transcurso del setecientos, particularmente en su segunda mitad, cruza sobre España, al igual que sobre el resto de Occidente, una polémica sobre las ventajas que reportaría la libertad de precio de los productos —su valor regulado por la ley de oferta y la demanda—, motor del desarrollo económico.No es ahora mi objeto detenerme en el análisis de la penetración de las doctrinas fisiocráticas y del librecambismo smithsoniano. Mi interés se reduce a cosa mucho más simple. Mostrar como también la polémica alcanzó a Canarias. Veremos la lucha que sostuvo la Real Sociedad Económica de Amigos del País de Las Palmas en pro de la abolición de la tasa del pescado fresco que consumía la población.

  20. The study of genetic diversity of Daemonorops draco (Palmae using ISSR markers

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    REVIS ASRA

    2014-10-01

    Full Text Available Asra R, Syamsuardi, Mansyurdin, Witono JR. 2014. The study of genetic diversity of Daemonorops draco (Palmae using ISSR markers. Biodiversitas 15: 109-114. The genetic diversity in five populations of Daemonorops draco(Willd. Blume (Jernang: in Bahasa Indonesia was analyzed using Inter Simple Sequence Repeat (ISSR markers. The screening results from using 15 ISSR primers showed that only 5 of ISSR primers had clear and reproducible bands. Based on the data from the matrix binary analyzed using POPGENE version 3.2, the highest genetic diversity was found in the Sepintun population at 0.0969 average heterozygosis (H and 0.146 average Shannon Index (I. The heterozygosis calculation of the total population (HT was 0.2571. The heterozygosis value within a population (HS=0.0704 was smaller than that between populations (DST=0.1867. Using the clustering analysis program Past version 32 on 43 individuals of D. draco, we found that there were three groups of D. draco. Group A consisted of 8 individuals in the Bengayoan population, group B consisted of 9 units in the Nunusan population and group C consisted of three populations; Tebo, Sepintun and Mandiangin consisted of 10, 8 and 8 individuals. The genetic similarity varied among all populations withthe values between 0.07-0.93.

  1. BIODIESEL A PARTIR DE BIOETANOL Y ACEITE DE PALMA. ESTUDIO TECNOECONÓMICO

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    JENNYFER RAMOS-ABRIL

    2010-01-01

    Full Text Available El biodiesel representa una alternativa tecnológica para disminuir el consumo de combustibles fósiles. La transesterificación de aceites vegetales con metanol es la ruta más utilizada industrialmente por presentar alta conversión de triglicéridos y por la disponibilidad y precio de este alcohol. El metanol proviene fundamentalmente de metano, un insumo fósil, mientras que el bioetanol es renovable por lo que su uso representaría una mejor opción ambiental. Se analizó la prefactibilidad técnicoeconómica de la producción de biodiesel utilizando bioetanol y aceite de palma como materias primas. Se analizaron dos procesos (catálisis básica y ácida con ayuda del simulador Aspen Plus TM . Se simuló el biodiesel tomando como molécula representativa el oleato de etilo y se establecieron las propiedades de la mezcla ajustando el modelo NRTL a partir de datos experimentales del equilibrio líquidolíquido. El proceso resultaría rentable implementando la ruta catalítica ácida homogénea (H2SO4 siempre que la conversión sea superior a 95%.

  2. PERCEPÇÃO AMBIENTAL EM PROPRIEDADES RURAIS: Palmas (TO, Brasil

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    Nascimento Marques de Miranda

    2011-01-01

    Full Text Available Esta investigación se centra en la percepción del ambiente natural en las propiedades rurales a través de un enfoque en el municipio de Palmas (TO. Para ello, se utilizó técnicas de recogida de datos subjetivos, tales como cuestionarios, entrevistas y la observación indirecta, además del análisis de los documentos que abordan la caracterización de la zona geográfica de la investigación. En general, los resultados mostraron que la percepción de los sujetos en relación el medio ambiente y los recursos naturales de sus propiedades se basan principalmente en sus experiencias locales, en detrimento de las preocupaciones ambientales de carácter técnico o legal. La mayoría de los sujetos tienen una concepción estrictamente ecológica y utilitaria del entorno en el que se destaca el uso de los recursos naturales.

  3. Larvae and Nests of Aculeate Hymenoptera (Hymenoptera: Aculeata) Nesting in Reed Galls Induced by Lipara spp. (Diptera: Chloropidae) with a Review of Species Recorded. Part II.

    Science.gov (United States)

    Astapenková, Alena; Heneberg, Petr

    2017-01-01

    The ability of aculeate Hymenoptera to utilize wetlands is poorly understood, and descriptions of their nests and developmental stages are largely absent. Here we present results based on our survey of hymenopterans using galls induced by Lipara spp. flies on common reed Phragmites australis in the years 2015–2016. We studied 20,704 galls, of which 9,446 were longitudinally cut and the brood from them reared in the laboratory, while the remaining 11,258 galls reared in rearing bags also in laboratory conditions. We recorded eight species that were previously not known to nest in reed galls: cuckoo wasps Chrysis rutilans and Trichrysis pumilionis, solitary wasps Stenodynerus chevrieranus and Stenodynerus clypeopictus, and bees Pseudoanthidium tenellum, Stelis punctulatissima, Hylaeus communis and Hylaeus confusus. Forty five species of Hymenoptera: Aculeata are known to be associated with reed galls, of which 36 make their nests there, and the other are six parasitoids of the family Chrysididae and three cuckoo bees of the genus Stelis. Of these species, Pemphredon fabricii and in southern Europe also Heriades rubicola are very common in reed galls, followed by Hylaeus pectoralis and two species of the genus Trypoxylon. We also found new host-parasite associations: Chrysis angustula in nests of Pemphredon fabricii, Chrysis rutilans in nests of Stenodynerus clypeopictus, Trichrysis pumilionis in nests of Trypoxylon deceptorium, and Stelis breviuscula in nests of Heriades rubicola. We provide new descriptions of the nests of seven species nesting in reed galls and morphology of mature larvae of eight species nesting in reed galls and two parasitoids and one nest cleptoparasite. The larvae are usually very similar to those of related species but possess characteristics that make them easy to distinguish from related species. Our results show that common reeds are not only expansive and harmful, but very important for many insect species associated with habitats

  4. Use of synchrotron- and plasma-based spectroscopic techniques to determine the uptake and biotransformation of chromium(III) and chromium(VI) by Parkinsonia aculeata.

    Science.gov (United States)

    Zhao, Yong; Parsons, Jason G; Peralta-Videa, Jose R; Lopez-Moreno, Martha L; Gardea-Torresdey, Jorge L

    2009-01-01

    In this study, a combination of inductively coupled plasma optical emission spectroscopy and X-ray absorption spectroscopy (XAS) was used to study the uptake and speciation of chromium in Parkinsonia aculeata, commonly known as Mexican Palo Verde. Plants were treated for 14 days in a modified Hoagland solution containing chromium(III) or chromium(VI) at several concentrations. The results showed that plants treated with 70 mg Cr(III) L(-1) and 30 mg Cr(VI) L(-1) had similar Cr concentrations in leaves (∼200 mg kg(-1) dry weight, DW). The results also showed that neither Cr(III) nor Cr(VI) affected the uptake of phosphorus and sulfur. However, the concentration of calcium in the stems of plants treated with Cr(VI) at 40 mg L(-1) (about 6000 mg Ca kg(-1) DW) was significantly higher compared to the Ca concentration (about 3000 mg kg(-1) DW) found in the stems of plants treated with 150 mg Cr(III) L(-1). However, no differences were observed in potassium and magnesium concentrations. The iron concentration (about 1000 mg kg(-1) DW) in roots treated with 40 mg Cr(VI) L(-1) was similar to the iron concentration found in the roots of plants treated with 110 mg Cr(III) L(-1). The XAS data showed that Cr(VI) was reduced to Cr(III) in/on the plant roots and transported as Cr(III) to the stems and leaves. The XAS studies also showed that Cr(III) within plants was present as an octahedral complex.

  5. Streptomyces palmae sp. nov., isolated from oil palm (Elaeis guineensis) rhizosphere soil.

    Science.gov (United States)

    Sujarit, Kanaporn; Kudo, Takuji; Ohkuma, Moriya; Pathom-Aree, Wasu; Lumyong, Saisamorn

    2016-10-01

    Actinomycete strain CMU-AB204T was isolated from oil palm rhizosphere soil collected in Chiang Mai University (Chiang Mai, Thailand). Based on morphological and chemotaxonomic characteristics, the organism was considered to belong to the genus Streptomyces. Whole cell-wall hydrolysates consisted of ll-diaminopimelic acid, glucose, ribose and galactose. The predominant menaquinones were MK-9(H4), MK-9(H6), MK-9(H2) and MK-8(H4). The fatty acid profile contained iso-C15 : 0, iso-C16 : 0 and anteiso-C15 : 0 as major components. The principal phospholipids detected were phosphatidylethanolamine, diphosphatidylglycerol and phosphatidylglycerol. The DNA G+C content of strain CMU-AB204T was 70.9 mol%. Based on 16S rRNA gene sequence similarity, strain CMU-AB204T was closely related to Streptomyces orinoci JCM 4546T (98.7 %), Streptomyces lilacinus NBRC 12884T (98.5 %), Streptomyces abikoensis CGMCC 4.1662T (98.5 %), Streptomyces griseocarneus JCM 4905T (98.4 %) and Streptomyces xinghaiensis JCM 16958T (98.3 %). Phylogenetic trees revealed that the new strain had a distinct taxonomic position from closely related type strains of the genus Streptomyces. Spiny to hairy spores clearly differentiated strain CMU-AB204T from the five most closely related Streptomyces species, which produced smooth spores. On the basis of evidence from this polyphasic study, it is proposed that strain CMU-AB204T represents a novel species of the genus Streptomyces, namely Streptomyces palmae sp. nov. The type strain is CMU-AB204T (=JCM 31289T=TBRC 1999T).

  6. El cielo como triunfo: Los galardones de la palma y la corona en Gonzalo de Berceo

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    Cea Gutiérrez, Antonio

    2001-12-01

    Full Text Available The work of Gonzalo de Berceo, a native of the Rioja región of Spain who lived in the 12th and 13th centuries, illustrates the reutilization of the classic symbols of the crown and the palm as heavenly awards in the afterlife. The author analyzes Berceo's texts on the rituals of coronation and triumph as well as his sources, most of which were the canonical and the apocryphal Gospels. The author brings iconography to bear on this analysis: the iconography before and during Berceo's time as well as that which has been produced since, possibly because of the religious endurance of the oral and written tradition.

    La reutilización de los símbolos clásicos de la corona y la palma como premios celestiales en la vita post mortem se estudia aquí a través de la obra del riojano Gonzalo de Berceo, que vivió a caballo entre los siglos XII y XIII. El análisis textual sobre los ceremoniales de coronación y de triunfo, así como de las fuentes, en gran parte evangélicas (canónicas y apócrifas, de las que bebe este autor, se completa con ejemplos de la iconografía precedente, coetánea y también la que se ha generado hasta hoy, quizá por la pervivencia religiosa de la tradición oral y escrita.

  7. Lagrangian transport in a microtidal coastal area: the Bay of Palma, island of Mallorca, Spain

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    I. Hernández-Carrasco

    2013-10-01

    Full Text Available Coastal transport in the Bay of Palma, a small region in the island of Mallorca, Spain, is characterized in terms of Lagrangian descriptors. The data sets used for this study are the output for two months (one in autumn and one in summer of a high resolution numerical model, ROMS (Regional Ocean Model System, forced atmospherically and with a spatial resolution of 300 m. The two months were selected because of their different wind regime, which is the main driver of the sea dynamics in this area. Finite-size Lyapunov exponents (FSLEs were used to locate semi-persistent Lagrangian coherent structures (LCS and to understand the different flow regimes in the bay. The different wind directions and regularity in the two months have a clear impact on the surface bay dynamics, whereas only topographic features appear clearly in the bottom structures. The fluid interchange between the bay and the open ocean was studied by computing particle trajectories and residence time (RT maps. The escape rate of particles out of the bay is qualitatively different, with a 32% greater escape rate of particles to the ocean in October than in July, owing to the different geometric characteristics of the flow. We show that LCSs separate regions with different transport properties by displaying spatial distributions of residence times on synoptic Lagrangian maps together with the location of the LCSs. Correlations between the time-dependent behavior of FSLE and RT are also investigated, showing a negative dependence when the stirring characterized by FSLE values moves particles in the direction of escape.

  8. Contenido de Fibra Dietaria de Inflorescencias de Palmas Procesadas Dietary Fiber Content on Processed Palm Inflorescences

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    Dora Centurión-Hidalgo

    2011-01-01

    Full Text Available Se evaluó el efecto del procesamiento y de la madurez en el contenido de fibra dietaria de cuatro inflorescencias de consumo tradicional (Chamaedorea alternans, Chamaedorea tepejilote, Chamaedorea sp y Astrocaryum mexicanum. Se formaron tres grupos de acuerdo a la masa y se aplicaron tres tratamientos: crudo, asado y cocido. Las muestras tratadas se secaron y envasaron para determinar posteriormente el contenido de fibra dietaria. Se aplicó un diseño factorial con una distribución al azar 4x3x3 (cuatro palmas, tres tratamientos y tres grupos. No se encontraron diferencias significativas al comparar el contenido de fibra dietaria total entre los tres grupos. El contenido de fibra dietaria soluble tuvo diferencias significativas (p≤0.05 entre tratamientos siendo el tratamiento crudo el mejor. Se observó diferencias entre especies para fibra dietaria total y fibra dietaria insoluble.Processing effect and maturity stage on dietary fiber content of four traditionally consumed inflorescences (Chamaedorea alternans, Chamaedorea tepejilote, Chamaedorea sp and Astrocaryum mexicanum were evaluated. Three groups were formed according to the mass and three treatments were applied: raw, roasted and boiled. Samples were dried and packed for dietary fiber determination. A randomly distributed factorial analysis 4x3x3 (four palms, three treatments, three groups was used. Total dietary fiber content was not significantly different (p≤0.05 between groups. Soluble dietary fiber content was significantly different between treatments being the raw treatment the best one. It was observed that there were differences in total and insoluble dietary fiber contents between species.

  9. Under the volcano: phylogeography and evolution of the cave-dwelling Palmorchestia hypogaea (Amphipoda, Crustacea at La Palma (Canary Islands

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    Oromí Pedro

    2008-01-01

    Full Text Available Abstract Background The amphipod crustacean Palmorchestia hypogaea occurs only in La Palma (Canary Islands and is one of the few terrestrial amphipods in the world that have adapted to a strictly troglobitic life in volcanic cave habitats. A surface-dwelling closely related species (Palmorchestia epigaea lives in the humid laurel forest on the same island. Previous studies have suggested that an ancestral littoral Orchestia species colonized the humid forests of La Palma and that subsequent drought episodes in the Canaries reduced the distribution of P. epigaea favouring the colonization of lava tubes through an adaptive shift. This was followed by dispersal via the hypogean crevicular system. Results P. hypogaea and P. epigaea did not form reciprocally monophyletic mitochondrial DNA clades. They showed geographically highly structured and genetically divergent populations with current gene flow limited to geographically close surface locations. Coalescence times using Bayesian estimations assuming a non-correlated relaxed clock with a normal prior distribution of the age of La Palma, together with the lack of association of habitat type with ancestral and recent haplotypes, suggest that their adaptation to cave life is relatively ancient. Conclusion The data gathered here provide evidence for multiple invasions of the volcanic cave systems that have acted as refuges. A re-evaluation of the taxonomic status of the extant species of Palmorchestia is needed, as the division of the two species by habitat and ecology is unnatural. The information obtained here, and that from previous studies on hypogean fauna, shows the importance of factors such as the uncoupling of morphological and genetic evolution, the role of climatic change and regressive evolution as key processes in leading to subterranean biodiversity.

  10. El cultivo de la palma aceitera en Costa Rica en el contexto del TLC con los Estados unidos de Norteamérica

    OpenAIRE

    2015-01-01

     El mercado mundial de aceites y grasas es complejo, ya que son productos sustituibles entre sí. Costa Rica participa de este mercado por medio del aceite de palma, el cual ocupa un lugar importante en las exportaciones nacionales. Su cultivo se concentra en el Pacífico Central y en el Pacífico Sur, que son regiones económicamente deprimidas, por lo que la palma adquiere relevancia como una de las pocas actividades rentables en la zona. La producción palmera se encuentra concentrada en un por...

  11. CONTENIDO DE POLIAMINAS LIBRES EN PALMAS AFECTADAS POR PUDRICIÓN DEL COGOLLO EN LAS ZONAS CENTRAL Y OCCIDENTAL DE COLOMBIA

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    VIVIANA CORREA

    2010-01-01

    Full Text Available La pudrición del cogollo (PC es la principal enfermedad de la palma en Colombia. En las zonas palmeras Central (ZC y Oriental (ZOR, las palmas enfermas pueden recuperarse naturalmente. En la Zona Occidental (ZOCC el proceso de recuperación no es evidente. La recuperación de palmas está ligada a gran actividad meristemática que podría involucrar la acción de metabolitos como las poliaminas (PA. Este trabajo muestra la relación entre el contenido de poliaminas en el meristemo y la capacidad de recuperación de palmas con PC, en dos zonas agroclimáticas diferentes. Poliaminas extraídas del meristemo de palmas en ZC y ZOCC, fueron analizadas por HPLC. En ZC, donde existe recuperación espontánea, los niveles más altos de PA se presentan en palmas sanas y en recuperación y a medida que avanza la enfermedad la concentración desciende hasta un mínimo en el estado de PC inicial. Luego la concentración de PA aumenta hasta el estado de buena recuperación donde los valores de poliaminas son más altos que los de palmas sanas. En la ZOCC, el contenido de PA aumenta con la enfermedad llegando al máximo en plantas sin recuperación y el mínimo en plantas sanas. Las diferencias entre zonas pueden explicarse por los diferentes roles de las poliaminas en plantas. En la ZC la cantidad elevada de PA en palmas sanas o en recuperación funcionaría en la inducción de actividad meristemática, para la recuperación espontánea. En la ZOCC el aumento en el contenido de PA con la enfermedad puede estar relacionado con la producción de especies reactivas de oxígeno para defensa secundaria contra patógenos. A diferencia de lo observado en ZC, las plantas en ZOCC no pueden producir estructuras sanas que no sean reinfectadas, por lo tanto los contenidos elevados de PA no están relacionados con la promoción de la actividad meristemática.

  12. La desafecció política : desvinculació amb el sistema democràtic dels ciutadans a Palma de Mallorca

    OpenAIRE

    Jiménez Moreno, José María

    2007-01-01

    Aquesta recerca analitza la desafecció política que experimenten els ciutadans de Palma de Mallorca, tractada com una desvinculació amb el sistema democràtic que és gestionat pels polítics. La recerca explica el que una mostra de població pensa de la democràcia i de la vida política. Els conceptes principals -desafecció política i sistema democràtic- vehiculen tot el contingut del treball. Esta investigación analiza la desafección política que experimentan los ciudadanos de Palma de Mallor...

  13. Caracterización del aceite de coquito de palma chilena (Jubaea chilensis

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    Torija, M. Esperanza

    2008-03-01

    Full Text Available The characteristics of the seeds from Chilean palm and the detailed composition of its fat are studied starting from 4 lots of seeds from the two regions being the major producers of Chilean palm seeds. From the proximate composition of the seeds a high content of fats is deduced with a mean value of 67.3%. The contents of proteins, carbohydrates and fibre were in the range of 7-11%. A detailed analysis of the fat indicates a high content of saturated fatty acids being capric, caprilic, lauric and miristic acids the major fatty acids. For this reason the presence of a high percentage of medium-chain triglycerides are detected in the triglyceride analysis. As for tocopherols, the fat contains low amounts of α-, γ- y δ-tocopherol with a total average of 84 mg/kg. Concerning phytosterols, the total content was around 1000 mg/kg being β-sitosterol and Δ7-estigmastenol the two major sterolsSe analizan las características generales del coquito de palma chilena y se estudia con detalle la composición de su aceite. Con este objetivo, se analizan 4 lotes de coquitos procedentes de las dos regiones de Chile donde existe mayor producción. La composición proximal del coquito indica un contenido muy mayoritario de grasa, con un promedio de 67,3% mientras los contenidos de proteínas, hidratos de carbono y fibra se encuentran entre el 7 y el 11%. Un análisis detallado de la grasa muestra un contenido elevado de ácidos grasos saturados (alrededor del 85% siendo los ácidos cáprico, caprílico, láurico y mirístico los que se encuentran en mayor concentración, lo que origina un elevado porcentaje de triglicéridos de cadena media. Respecto a los tocoferoles, el aceite contiene cantidades limitadas de α-, γ- y δ-tocoferol con un valor promedio total de 84 mg/kg, no detectándose la presencia de tocotrienoles. Respecto a los fitoesteroles, el contenido total es del orden de 1000 mg/kg siendo los esteroles mayoritarios el

  14. New structural, hydrogeological and hydrothermal insights on Cumbre Vieja (La Palma, Canary Islands, Spain)

    Science.gov (United States)

    Barde-Cabusson, S.; Finizola, A.; Torres, P.; Víctor Villasante-Marcos, V.; Abella, R.; Aragó, S.; Berthod, C.; Ibarra, P.; Geyer Traver, A.

    2013-12-01

    Determining the link between shallow structure and volcanism is a topic of interest in Volcanology. We carried out a geophysical study devoted to the characterization of the major structural limits influencing volcanic hydrothermal activity and underground meteoric circulations in La Palma (Canary Islands). Since 1 Ma volcanic activity concentrates at the southern half of the island, on the Cumbre Vieja volcanic rift-zone. During the 1949 eruption a N-S fault system, facing west, developed in the summit area of Cumbre Vieja. This was interpreted as the surface expression of an incipient deformation zone on the western flank. The distribution of the recent activity and faulting indicate that a discontinuity may be present beneath the western flank of Cumbre Vieja, along which a future collapse may occur. Our study, which combines the application of self-potential and soil temperature measurements, provides new information to characterize and locate the limits guiding upward or downward fluid circulation and possibly associated to future failures and potential landslides on the Cumbre Vieja rift-zone. We found a clear asymmetry of the self-potential signal between the eastern and the western flanks of Cumbre Vieja. Strong infiltration of meteoric water seems to affect most of the summit axis while we observe poor variation in the self-potential values on the western flank. This could be explained by a constant thickness of the vadose zone on this flank, i.e., the presence of an impermeable layer at constant depth. This layer could correspond to the landslide interface associated to the previous Cumbre Nueva edifice destruction, on which Cumbre Vieja is currently growing. This constant self-potential pattern is interrupted by at least one other main infiltration zone, near Tajuya volcano, at 1200 m a.s.l. on the western flank, where field observation allowed identifying a small horst-graben system. However it is not clear if this fault system results from local

  15. ANÁLISIS ESPACIAL DE LA CORRELACIÓN ENTRE CULTIVO DE PALMA DE ACEITE Y DESPLAZAMIENTO FORZADO EN COLOMBIA

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    Camilo Rey Sabogal

    2013-12-01

    Full Text Available En este artículo se examina la existencia de una posible correlación entre cultivos de palma de aceite y el desplazamiento forzado en Colombia. Este análisis se plantea con la perspectiva de la econometría espacial porque se identificó autocorrelación y clústeres en las variables entre las unidades geográficas municipales. Por ello se emplea la estrategia regresión geográficamente ponderada, la cual estima ecuaciones municipales que tienen en cuenta el comportamiento de las variables en los municipios vecinos. Como resultado se encontró un patrón de relación directa entre cultivos de palma y desplazamiento en unidades geográficas en el cual los cultivos se impulsaron en la última década. Se debe aclarar que este artículo no evalúa aún la relación de causalidad entre las variables, aspecto que requiere nuevos datos y ajustes metodológicos.

  16. El «Edificio Central» en las Palmas de Gran Canaria – España

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    Ruiz Duerto, A.

    1972-11-01

    Full Text Available A description is given of the program, characteristics, and building solutions for this unique building, situated in downtown Las Palmas. The building complex is composed of two underground levels for parking, a ground-floor and mezzanine for commercial purposes, and open plaza with swimming pool, dressing rooms, cafeteria, restaurant, dance spot, playground, and a block of 15 floors containing 137 apartments of varying size arranged so as to minimize sun overexposure and maximize privacy. The structure is of reinforced concrete and lightweight slabs, and enjoys quality fixtures which assure excellent functioning.Se describe el programa, características y solución constructiva de este edificio singular, situado en el centro cívico de Las Palmas de Gran Canaria. Se compone de: — dos plantas de sótano para estacionamiento de vehículos; planta baja comercial; — entreplanta comercial; — planta libre ajardinada con piscina, vestuarios-aseos, cafetería, restaurante, club de baile, juego de niños, guardería, etc.; — un bloque de 15 plantas con 137 apartamentos, de superficie variada, y dispuesto de forma que evite perjuicios de soleamiento y vistas a los edificios circundantes. Estructura de hormigón armado y losas aligeradas, con toda suerte de instalaciones que aseguren su perfecto funcionamiento.

  17. Insular identity and urban contexts: representations of the local in the construction of an image of Palma (Mallorca, Balearic Islands

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    Mercè Picornell

    2014-11-01

    Full Text Available This article analyses the relationship between island and city in the configuration of an insular identity. The hypothesis addresses the special visibility that, in the case of small islands, results from the confrontation between two relevant singularities – the city and the island – in the symbolic conceptualization of territory. The opposition between island contexts and urban spaces is thus considered in terms of the local/global and rural/urban binaries. These are analysed in contemporary cultural representations of the relationship between the island of Mallorca and its historical and administrative capital, Palma. Since the 1960s, Mallorca has become a mass tourism destination with a considerable demographic impact, especially in the capital, which is the island’s gateway for both tourism and immigration. This paper considers geographical, literary and media discourses along with particular mass-consumption cultural products to argue that Palma is represented as a predatory ‘monster’ devouring the island’s ‘local’ identity. It is argued that different types of neo-ruralism have emerged and reinforced the opposition between the island and the city. This opposition underlies a process of counter-acculturation that delineates and strengthens Mallorcan self-representation in a context defined by an increasingly diverse population as a result of tourism and migratory flows.

  18. SÍNTOMAS ASOCIADOS A LA DEFICIENCIA DE BORO EN LA PALMA ACEITERA (Elaeis guineensis JACQ. EN COSTA RICA

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    Marco V. Guti\\u00E9rrez-Soto

    2013-01-01

    Full Text Available El objetivo de este trabajo es brindar información fisiológica relativa a las funciones, la disponibilidad, la economía y la deficiencia de boro en las plantas, con énfasis en la palma aceitera cultivada en Coto, Costa Rica. Se exponen las generalidades sobre la química del boro en el suelo y en las plantas, y se discuten sus posibles funciones estructurales, metabólicas y morfogenéticas. Se resalta su papel en la formación y la estabilidad de la pared celular, el transporte de azúcares, el control de los niveles de auxinas y en el desarrollo reproductivo. Se compara la susceptibilidad relativa de las hojas y las raíces a la deficiencia de boro. Se describen los síntomas de la deficiencia de boro observados en la palma aceitera, los posibles mecanismos causales y los métodos apropiados para su diagnóstico. Se discuten además las terapias, formulaciones químicas y métodos agronómicos disponibles para su corrección.

  19. Estudio micológico de El Canal y Los Tiles (La Palma, Islas Canarias. V. Datos adicionales

    Directory of Open Access Journals (Sweden)

    Leal, Julio

    2009-12-01

    Full Text Available An annotated catalogue of 66 taxa, collected in the early MAB Reserve El Canal y Los Tiles is presented. Among these taxa, 11 species are new for La Palma island and 5 are recorded for the first time in the Canary Islands. Taxonomic comments on some critical species and information about the distribution in the Macaronesian bioregion of all the studied taxa are given. Based on our previous publications, global data on biodiversity, substrates and distribution of the mycobiota in the different plant communities present in the sampled area are analyzed.

    Se presenta un estudio sobre 66 especies, pertenecientes a las divisiones Myxomycota (21, Ascomycota (29 y Basidiomycota (16, encontradas en la antigua Reserva de la Biosfera El Canal y Los Tiles. De ellas 11 se citan por primera vez para la isla de La Palma, siendo 5 de éstas nuevas para Canarias. Se hacen comentarios taxonómicos sobre algunos táxones conflictivos, además de amplia información sobre su distribución en la Región Macaronésica. En base a publicaciones propias anteriores, se aportan datos globales sobre biodiversidad, sustratos y distribución de la micobiota en las diferentes unidades ambientales presentes en el área de estudio.

  20. Sobre las deformaciones del paleozoico en el macizo del Desierto de las Palmas (Castellón

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    Simón Gómez, J. L.

    1986-12-01

    Full Text Available The Paleozoic deposits in the Desierto de las Palmas massif are turbidites whose probable age is lower Carboniferous. They registered a fírst deformation phase giving rise to very flattened recumbent folds, with associated slaty cleavage and NE-SW axes. Afterwards two phases of buckling folds with small flattening and crenulation cleavage are developed: the second one is ENE and the third one is N to NNW. A last superposed ESE crenulation is probably of Alpine age.

    Los materiales paleozoicos que afloran en el macizo del Desierto de las Palmas son turbiditas de probable edad Carbonífero inferior. Registran una primera fase de deformación en la que se generan pliegues muy aplastados, tendidos o acostados, con esquistosidad de flujo asociada y ejes NE-SW. Posteriormente se desarrollan dos etapas de pliegues flexurales poco aplastados con esquistosidad de crenulación: la segunda etapa ENE y la tercera N a NNW. Una última crenulación superpuesta ESE es ya probablemente de edad alpina.

  1. El comportamiento térmico de la ciudad de Las Palmas de G. C.: La Isla de calor nocturna

    Directory of Open Access Journals (Sweden)

    Lidia Esther Romero Martín

    2013-10-01

    Full Text Available En este trabajo se presentan las principales pautas del comportamiento térmico de la ciudad de Las Palmas de Gran Canaria. Utilizando el método de los recorridos urbanos, durante un año se registraron los datos de temperatura y humedad de 42 puntos de la ciudad, que incluyen áreas formales y funcionales diferentes. Los resultados confirman la existencia de una isla de calor nocturna de carácter bifocal y de intensidad moderada, aunque puede llegar a alcanzar valores de 5.3º C. Su localización está controlada fundamentalmente por la densidad edificatoria y la intensidad del tráfico. El Istmo de la Isleta se comporta como una isla de frescor.In this article, we present the outlines of the thermal behaviour of the city of Las Palmas de Gran Canaria. Using the method of travelling around the city, we recorded temperature and humidity data for 42 sites in the city, including different formal and functional areas. The results confirm that there is a bi-focal and moderate island of nocturnal heat, although it can reach 5.3ºC. This is determined fundamentally by building density and the intensity of the traffic. The Isthmus of La Isleta acts as an island of fresh temperatures.

  2. Farelo de palma forrageira (Opuntia ficus-indica Mill em substituição ao milho: 1. digestibilidade aparente de nutrientes

    Directory of Open Access Journals (Sweden)

    Veras Robson Magno Liberal

    2002-01-01

    Full Text Available O objetivo deste trabalho foi avaliar o consumo e a digestibilidade aparente de nutrientes em dietas com quatro níveis de substituição do milho (0, 25, 50 e 75% pelo farelo de palma forrageira. Dezesseis carneiros com 30 meses de idade e peso vivo médio de 40 kg foram alocados em delineamento inteiramente ao acaso. Não houve efeito dos níveis de substituição do milho pelo farelo de palma sobre o consumo de nutrientes, o qual foi restrito em 2,5% do peso vivo. A inclusão do farelo de palma forrageira não influenciou o coeficiente de digestibilidade aparente da matéria seca, matéria orgânica, fibra em detergente neutro, carboidratos totais, extrato etéreo e proteína bruta. O coeficiente de digestibilidade aparente da fibra em detergente ácido aumentou linearmente com a inclusão de palma forrageira na dieta.

  3. Estrategia ambiental en el manejo de efluentes en la extracción de aceite de palma

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    María Bonomie

    2012-09-01

    Full Text Available En el proceso de extracción de aceite de palma, se consideran alternativas de separación de los residuos sólidos y líquidos para el aprovechamiento (si es posible total del efluente. Estos residuos sólidos de naturaleza orgánica, y las descargas líquidas, suelen considerarse de bajo impacto en comparación con otros procesos productivos de algunos sectores industriales. En este sentido, la presente investigación tiene como propósito analizar el manejo de los efluentes en el proceso de extracción de aceite de palma o aceite rojo. Asimismo, se presenta la estrategia ambiental en este tipo de proceso utilizando la producción más limpia. La investigación es de tipo analítica, no experimental de campo; la población se delimitó a las empresas del sector de palma aceitera que desarrolla el proceso de extracción de aceite. Se realizaron varias visitas y entrevistas al personal de estas empresas; siendo necesario aclarar que para efectos de esta investigación, solamente se considera la producción de aceite rojo, en virtud de que del proceso de producción se obtienen dos sub productos, aceite de palmiste y harina de palmiste. Los resultados, indican que existen efluentes en las diferentes etapas del proceso de extracción de aceite, los cuales reciben un tratamiento especial, por lo que requieren de áreas que desempeñan actividades de apoyo, tales como: control de calidad, mantenimiento y generación de energía, las cuales intervienen en la generación y tratamiento de los efluentes. Se concluye que las empresas que utilizan este tipo de proceso productivo, emplean estrategias innovadoras para disminuir el impacto ambiental, en aras de mejorar el desempeño ambiental en este tipo de organización.

  4. Lípidos estructurados obtenidos por interesterificación de las mezclas binarias y ternarias de las grasas de palma, semilla de palma y triglicéridos de cadena media

    Directory of Open Access Journals (Sweden)

    Sotero Solis, Víctor Erasmo

    2001-08-01

    de las grasas (palma y semilla de palma y triglicéridos de cadena media (Trigliceril CM. Fueron estudiadas 10 muestras representadas por 3 muestras individuales, 3 muestras binarias y 4 muestras ternarias. Se determinaron la composición en ácidos grasos, el contenido en grasa sólida y la consistencia en el intervalo de temperaturas entre 10ºC y 35ºC. Se aplicó un modelo de regresión múltiple del tipo cúbico especial, siendo que a partir de los coeficientes significativos, se establecieron diagramas triangulares, donde fueron indicadas curvas de nivel. Los resultados demostraron que las interacciones entre los tres componentes no fueron significativas. El contenido en grasa sólida dependió de las grasas de palma y de la semilla de palma y de las interacciones binarias entre ellas. Los coeficientes negativos para esta propiedad demostraron un efecto antagónico, característico de las interacciones eutécticas entre grasas.

  5. Ausência de Trichinella spiralis em suínos adultos abatidos em Palmas, Estado do Paraná, Brasil Absence of Trichinella spiralis in adult swines slaughtered in Palmas, Paraná, Brazil

    Directory of Open Access Journals (Sweden)

    Heitor Daguer

    2005-06-01

    Full Text Available Foram examinadas amostras de 3.774 suínos adultos, abatidos sob inspeção federal entre os anos de 2002 e 2004 na cidade de Palmas, Estado do Paraná, Brasil, utilizando-se a técnica da digestão artificial de amostras coletivas com agitador magnético para pesquisa de larvas de Trichinella spiralis. Os animais eram provenientes de 68 municípios dos três estados da região Sul do Brasil. A técnica utilizada seguiu as recomendações européias e as amostras examinadas consistiam de fragmentos musculares do masseter, base da língua e diafragma de cada animal. Não foram detectadas larvas do parasita nos animais examinados, sugerindo que a infecção por T. spiralis não ocorre nas criações de suínos examinadas.Samples of 3.774 adult pigs, slaughtered under federal inspection between the years of 2002 and 2004 in the county of Palmas, State of Paraná, Brazil, were examined by pooled sample artificial digestion with magnetic stirrer for a survey of Trichinella spiralis larvae. Animals proceeded from 68 counties of the three states of the South region of Brazil. The employed essay was the recommended by the European commission. The samples were formed by muscular pieces of masseter, tongue and diaphragm of each animal. No larvae were detected in the animals, indicating that T. spiralis infection does not occur in the examined swine stocks.

  6. THE INFLUENCE OF TELEVISION ON REGIONAL DEVELOPMENT IN THE COUNTRYSIDE OF THE MUNICIPALITY OF PALMAS – TOCANTINS

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    Alice Agnes Spíndola Mota

    2011-01-01

    Full Text Available Analyzing the rural origin of Brazil and considering the accelerated process of urbanization of the last decades, this article seeks to analyze and compare the social developments arising from TV insertion in peasantry, as well as its influence on children and young people‟s audience. The case study applied to the countryside of Palmas – Tocantins is aimed to observe the consequences of television insertion in the peasant life and also, consider possible changes that this communication vehicle provides to the culture, economy and social relationships through its influence on children. While researching TV insertion in rural daily life, it is possible to see the influence of this communication media, as well as the extension of the urbanized and capitalist global reality on the local reality of peasant family. Without ignoring the benefits provided by the television in rural areas, this work notes the social consequences resulting from the insertion of this means of communication in peasantry.

  7. Saharan mineral dust outbreaks observed over the North Atlantic island of La Palma in summertime between 1984 and 2012

    CERN Document Server

    Laken, Benjamin A; Pallé, Enric; Shahbaz, Tariq

    2013-01-01

    We estimate the frequency of Saharan mineral dust outbreak events observed over the North Atlantic island of La Palma based on in situ nightly atmospheric extinction measurements recorded almost continuously since 1984 by the Carlsberg Meridian Telescope at the Roque de los Muchachos observatory. The outbreak frequency shows a well-defined seasonal peak in the months of July to September, during which time the occurrence of Saharan dust events (SDEs) is approximately 28\\pm6%. We find considerable year-to-year variability in the summertime SDEs frequency, observing a steady reduction between 1984 and 1997, followed by a period of relative mean stability from 1999 to 2012. We investigated changes in the atmospheric extinction of the SDEs as an indicator of strength of the episodes and found that this parameter approximately follows the SDE frequency, however, instrumental limitations prevented us from deriving precise conclusions regarding their long-term changes. A lagged correlation analysis between SDE prope...

  8. Lo Studio d’Arte Palma: Storia di un’impresa per il commercio artistico nell’Italia del dopoguerra

    Directory of Open Access Journals (Sweden)

    Viviana Pozzoli

    2016-12-01

    Full Text Available Inaugurato a Roma nel maggio 1944, a poche settimane dalla Liberazione, lo Studio d’Arte Palma ha costituito un inedito esperimento di organizzazione artistica capace di coniugare attività espositive, mercantili e di centro di restauro, nell’ottica congiunta di un’esigenza di valorizzazione del patrimonio e delle produzioni d’arte italiane e della proposta di un nuovo gusto, espressione dei valori del mondo contemporaneo. Questo contributo intende, per la prima volta, tracciarne il profilo, mettendo in luce la specificità dell’iniziativa nel coevo panorama delle gallerie d’arte. A partire dall’analisi delle fonti d’archivio, si precisano la storia, la progettualità e la programmazione della “Palma”, a cui collaborarono, raccolte attorno alla figura del suo fondatore, Pietro Maria Bardi, alcune tra le personalità di maggiore rilievo del sistema delle arti del tempo.

  9. El papel de Fedepalma y Procolombia en la competitividad de las exportaciones de aceite de palma africana de Colombia hacia Alemania después de la firma del acuerdo comercial con la Unión Europea

    OpenAIRE

    Gutiérrez Delgado, Ximena

    2016-01-01

    Este estudio de caso tiene como objetivo principal determinar el papel que desarrollan Fedepalma (Federación Nacional de Cultivadores de Palma de Aceite) y Procolombia en la competitividad de las exportaciones de aceite de palma de Colombia hacia Alemania, después de la firma del Acuerdo Comercial con la Unión Europea. Con este fin, este estudio presenta una descripción tanto del Sector Palma de Aceite y su relevancia en la agroindustria colombiana, como del mercado nacional e ...

  10. Arquitectura y poder local: los orígenes de la comandancia de marina de Las Palmas

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    Javier Márquez Quevedo

    2013-10-01

    Full Text Available La construcción de edificaciones representativas del poder ha sido siempre una constante. En el caso de Canarias, una región pobre y alejada del centro político de Estado, esta arquitectura tomó una gran relevancia debido a su escasez. En una etapa de creciente rivalidad entre la capital provincial, Santa Cruz de Tenerife, y Las Palmas, ciudad que despuntaba con el auge del Puerto de La Luz, el deseo de contar cuanto antes con un vistoso edificio para la Comandancia de Marina tuvo un evidente objetivo político. Este artículo es un breve repaso a los orígenes de esta construcción y sus dificultades para realizarla.The representative authority building has ever been manifest. In Canary Islands, needy and distant region from metropolis, this architecture obtains large importance owing to her shortness. In the times of increasing competition between the chief town, Santa Cruz de Tenerife, and Las Palmas, one place that expanding through Puerto de La Luz’s summit, to have a desire to count upon a showy commandership building rapidly it was an obvious political objective. In this essay, we will analyse the origins of this building and the objections in order to achieve it.

  11. Selección genética de plantas elites de palma aceitera, utilizando software SELEGEN REML/BLUP

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    Carlos Oliva

    2014-01-01

    Full Text Available La palma aceitera es uno de cultivos de la Amazonía Peruana, que genera en los inversionistas mayor interés,que ha permitido instalar al menos 70 mil ha. Al Perú ha ingresado semillas de palma aceitera de alto valorgenético, por su resistencia a enfermedad, plagas y alto rendimiento, pero durante el tiempo ha experimentadovariabilidad en los diferentes ecosistemas del país.Este trabajo tuvo por objetivo la selección genéticacomputarizada para la selección de plantas elites de alto rendimiento de racimos de fruta fresca (RFF depalma aceitera. Para realizar el análisis genético computarizado, se dispuso del software SELEGEN Rml/Blup,que es un programa diseñado para el análisis y la selección. Benin y Costa deMarfil son las que tienen mejorpromedio, cuyo valor mínimo es de 22,1 kg/planta y el valor máximo corresponde de 375,9 kg/planta. Elhibrido 2301 tiene los mejores promedios de rendimiento, seguido por el híbrido 2401, cuyo valores derendimiento extremosmáximo superior a 340 kg/planta. El primer año, el rendimiento promedio fue de 46,62kg/planta y para el tercer año de producción el promedio pasó a 142,82 kg/pl. La repetibilidad individual pararendimiento de RFF kg/planta en ambos grupos 2007 y 2008 fue de 0,10 y la repetibilidad del promedio decosechas fue de 0,87 y 0,82 para los grupos 2007 y 2008, respectivamente. Esto propició una exactitudselectiva de 0,93 para el grupo 2007 y de 0,90 para el grupo del 2008.

  12. Estudio etnobotánico y ecológico de las palmas arecaceae y cyclanthaceae en la Reserva biológica Indio-Maíz Río San Juan, Nicaragua

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    Indiana M. Coronado.

    2000-02-01

    Full Text Available En Centroamérica muchas de las especies de palmas no han sido identificadas debido en gran parte a la dificultad de preparar especímenes para el montaje por el tamaño de sus h0Jas e inflorescencias o frutos. En este estudio Se da a conocer la etnobotánica de las especies de palmas de la reserva biológica indio-maíz. Se reportan dos familias de palmas: Arecaceae y Cyclanthaceae. La más predominante es la Arecaceae con 20 géneros y 41 especies, sobrepasando en mucho a la Cyclanthaceae que solo tiene como representante un género y una especie. Con este esfuerzo se espera contribuir al conocimiento de las palmas de Nicaragua.

  13. Integration of photovoltaic technology in public buildings. Case study of Palmas Forum, Tocantins, Brazil; Integracao de tecnologia fotovoltaica em edificios publicos. Estudo de caso do Forum de Palmas, TO

    Energy Technology Data Exchange (ETDEWEB)

    Vianna, Elen Oliveira

    2010-03-15

    The energy issue follows the history of mankind and nowadays has triggered a multidisciplinary debate. Within this discussion, there is the main topic of this study: the focus on the high electric power consumption in public buildings. The approach is in consonance with the sustainability of architecture and the use of solar photovoltaic energy as a technological tool that brings into alliance the renewable alternative energy sources and the buildings which are connected to the urban electric power lines. This study aims to demystify the use of alternative energy sources in conjunction with the contemporary architectonic production. In the first part the sustainability, the world energy issue and the use of active solar systems in architecture were contextualized and then, the main objective was to measure an Integrated Photovoltaic System in a public building- the Court of Justice in Palmas, Tocantins. For that reason, it was necessary to evaluate the energy efficiency in the building and to achieve that objective the energy consumption in the so-called rush hours and the 19:00 to 21:00 period of time were considered. Subsequently, the study tested several possibilities of photovoltaic panels and analyzed which one had the best performance, according to the local characteristic such as: the solar orientation, the latitude, the monthly and annual solar radiation average. There has been done a simulation of an ideal photovoltaic solar system with the proper calculus of its productivity, in order to provide a compensation to the energy consumption of the building- or a part of it- through the use of the alternative energy source in question. The objective is to demystify the generation of electric power from the use of solar energy and thus evaluating the contribution of the system to the conventional electric energy. Finally, a partial economic analysis of the system was carried out, driving to characterize the contribution potential of the Integrated Photovoltaic

  14. CONTRIBUIÇÃO AO CONHECIMENTO DA BIOLOGIA DO Pachymerus nucleorum Fabr., 1972 (Bruchidae – Coleoptera em Syagrus oleraceae Mart. (Palmae CONTRIBUTION TO THE BIOLOGY KNOWLEDGE OF Pachymerus nucleorum FABR. 1792 (BRUCHIDAE-COLEOPTERA IN Syagrus oleraceae MART. (PALMAE

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    José Rodrigues Vieira

    2007-09-01

    Full Text Available

    O bicho-do-coco, Pachymerus nucleorum Fabr., 1792 (Bruchidae-Coleoptera constitui um dos mais sérios problemas para o aproveitamento da amêndoa de várias espécies de palmeiras principalmente no nordeste do Brasil. A sua biologia foi estudada em cocos de guariroba Syagrus oleraceae Mart. (Palmae em ambiente de 1aboratório e de campo, utilizando-se cocos secos, maduros e verdes. O período médio de pré-oviposição foi de 13 dias, o de incubação de 15,56 dias, a fecundidade de 21,18, a fertilidade de 9,62 e o período larval de 23,88 dias. O menor índice de mortalidade deu-se no quarto instar e o maior no primeiro instar.

    This work is a contribution to the knowledgement of the biology of Pachymerus nucleorum Fabr., 1792 (Bruchidae-Coleoptera in coconuts of Syagrus oleraceae Mart. (Palmae. Among 16 couples species confined in laboratory from March 1977 to March 1978, we observed that each female made a maximum of three posture and the medium posture with 21.18 eggs. The medium period of pre-oviposition is 13 days and incubation period of 15.56 days. The pest presents five estages: larvae, pre-pupa, pupa and the adult forms, which were obtained in laboratory from 6 to 7 months. Mortality index of 33.12% was observed among larvae, pre-pupa, pupa and adult species. Also were developed observation in the eggs characteristics about fecundity, fertility, longevity of male and female and about pest habits.

  15. Identificación y clasificación en biotipos de las malezas asociadas con el cultivo de la palma de aceite

    OpenAIRE

    2012-01-01

    En dos plantaciones de palma de aceite, ubicadas en los municipios de Villanueva, Casanare, y Barranca de Upía, Meta, (Colombia), zona del Bajo Upía, se realizó un reconocimiento y clasificación en biotipos de las malezas asociadas con la palma de aceite. Para realizar el trabajo se visitaron las dos fincas, y se procedió a recoger muestras y fotografiar las malezas que se encontraban dentro del cultivo, así como en su contorno. La identificación y descripción se realizó siguiendo la metodolo...

  16. NOVAS CIDADES, VELHAS QUERELAS episódios pluviais e seus impactos na área urbana de Palmas (TO, primavera-verão 2009/2010

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    Lucas Barbosa e Souza

    2010-01-01

    Full Text Available This paper addresses the rainfall episodes occurred during spring-summer season 2009/2010 in Palmas (TO, and their impacts on its urban area, construction of which hardly exceeds recent 21 years in 2010. It also constitutes a preliminary analysis about the genesis of the rhythm and of the climate exceptionalities in the study area, since there are few studies of Geographical Climatology about the state of Tocantins. The main elements of the atmospheric circulation were identifi ed through rhythmic analysis, as well as the stormwater impacts were also listed and reported by a local daily newspaper. These impacts were focused on their spatial distribution, seeking to emphasize the elements of vulnerability of the affected spots, as well as the selectivity and news content. The results allowed to give an initial overview on the relation between the rainfall, the geographical and human activities in Palmas, revealing aspects of its urban planning and its vulnerability to climate exceptionalities.

  17. Cultivo intercalares em fase inicial de desenvolvimento e desempenho produtivo de cultivares de palma de óleo em diferentes ambientes de Roraima

    OpenAIRE

    Antonia Dianaia de Oliveira Lopes

    2014-01-01

    A expansão da cultura da palma de óleo nas áreas já desflorestadas da Amazônia legal é reconhecida como uma excelente alternativa para a produção de óleo para fins alimentícios e energéticos. O estado de Roraima apresenta as condições edafoclimáticas adequadas para seu desenvolvimento e introdução na estrutura da agricultura familiar. Objetivou-se com este trabalho desenvolver sistemas de cultivos nas entrelinhas da palma de óleo em área de floresta alterada, durante o período inicial de dese...

  18. CARACTERIZACIÓN DE LA FASE UPSTREAM DE LA CADENA DE VALOR Y ABASTECIMIENTO DE LA AGROINDUSTRIA DE LA PALMA DE ACEITE EN COLOMBIA

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    Rafael García Cáceres

    2013-01-01

    Full Text Available Este artículo proporciona una descripción de la fase upstream de la cadena agroindustrial de la palma de aceite. El trabajo caracteriza la funcionalidad y relaciones de eslabones y escalones de la cadena de abastecimiento y de valor de la cadena en Colombia. El trabajo representa un esfuerzo pionero que busca contribuir a mejorar la eficiencia y eficacia del sector palmero colombiano.

  19. La medición de la calidad de los servicios prestados por los destinos turísticos: el caso de las isla de La Palma

    OpenAIRE

    Bethencourt Cejas, María; Díaz Pérez, Flora Mª; González Morales, Mª Olga; Sánchez Pérez, José

    2005-01-01

    Mature tourist destinations, such as Canary Islands, have been obliged by an increasing globalizationof tourist offer destinations, located in non developed countries which are highly pricecompetitive,to improve the quality of their tourist services in self-defence. This work is based on aninquiry carried out in La Palma Island. This research took a representative sample of the visitors in theisland. Starting from a previous definition of the quality concept applied to the tourist product, we...

  20. DISEÑO DE MEZCLA ASFÁLTICA TIBIA A PARTIR DE LA MEZCLA DE ASFALTO Y ACEITE CRUDO DE PALMA

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    Conrado H. Lopera Palacio

    2013-01-01

    de penetración 60-70, modificado con crudo de palma al 1%. El diseño se realizó por el método Marshall, la temperatura de producción de la mezcla se redujo, así como la viscosidad del asfalto y se mejoró el desempeño de la mezcla asfáltica tibia comparada con la mezcla asfáltica en caliente.

  1. Caracterización de la fase upstream de la cadena de valor y abastecimiento de la agroindustria de la palma de aceite en colombia

    OpenAIRE

    Rafael García Cáceres; Adriana Núñez Moreno; Tatiana Ramírez Ortiz; Sonia Jaimes Suárez

    2013-01-01

    Este artículo proporciona una descripción de la fase upstream de la cadena agroindustrial de la palma de aceite. El trabajo caracteriza la funcionalidad y relaciones de eslabones y escalones de la cadena de abastecimiento y de valor de la cadena en Colombia. El trabajo representa un esfuerzo pionero que busca contribuir a mejorar la eficiencia y eficacia del sector palmero colombiano.

  2. Burned and devoured-Introduced herbivores, fire, and the endemic flora of the high-elevation ecosystem on La Palma, Canary Islands

    OpenAIRE

    Irl, Severin D. H.; Steinbauer, Manuel; Messinger, Jana; Blume-Werry, Gesche; Palomares-Martinez, Angel; Beierkuhnlein, Carl; Jentsch, Anke

    2014-01-01

    Novel disturbance regimes (e.g., introduced herbivores and fire) are among the major drivers of degradation in island ecosystems. High-elevation ecosystems (HEEs) on islands might be especially vulnerable to these disturbances due to high endemism. Here, data from an 11-year exclosure experiment in the HEE of La Palma (Canary Islands) are presented where mammalian herbivores have been introduced. We investigate the combined effect of herbivory and fire on total species richness, seedling rich...

  3. Les relacions epistolars de les ciutats de Barcelona, València i Palma entre els segles XVI i XVII (c. 1510 – c. 1630

    Directory of Open Access Journals (Sweden)

    Vicent Baydal Sala

    2013-06-01

    Full Text Available Resum: L’article analitza les epístoles enviades pels Consells municipals de Barcelona, Valènciai Palma entre els segles XVI i XVII, a través de l’estudi detallat de tres talls cronològics triennalsentre 1510 i 1629. En concret, s’hi atén comparativament a quatre factors: les raons que motivaren la tramesa de cartes per part dels governs urbans, el tipus de destinataris a les quals s’adreçaren, la xarxa de connexions territorials que el seu enviament ocasionà i les formes epistolars emprades pels escrivans en la seua confecció. Així, s’hi pot observar que, compartint una mateixa cultura epistolar, l’activitat de cada Consell fou ben diversa en funció del seu propi poder polític i la seua relació amb la monarquia.Paraules clau: Epístoles, Edat Moderna, Barcelona, València, PalmaAbstract: This paper examines the epistles sent by the City Councils of Barcelona, Valènciaand Palma between the 16th and 17th centuries through the detailed study of three triennialchronological sections between 1510 and 1629. Specifically, it deals comparatively with four issues:the reasons that motivated the letters, the type of addressees, the network of territorial connectionsestablished by the sending of the letters and the epistolary forms used by the scribes. It is observedthat, sharing the same epistolary culture, the activity of each Council was very diverse dependingon its own political power and its relationship with the monarchy.Keywords: Epistles, Early Modern Ages, Barcelona, Valencia, Palma

  4. Agricultura y explotación rural: Los contratos agrarios en La Palma entre 1600 y 1625

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    Pedro C. Quintana Andrés

    2013-10-01

    Full Text Available La propiedad y la explotación de la tierra en Canarias durante el Antiguo Régimen son factores fundamentales para comprender la evolución histórica de su formación social. Las relaciones de producción, de acumulación de la propiedad agraria y la distribución de las rentas son algunos de los parámetros sobre los que descansa el sistema socioeconómico regional. Los contratos agrarios registrados en La Palma –arrendamientos, medianerías- se muestran como valiosas referencias para conocer los procesos de deforestación, de avance de la agricultura, de las transformaciones en la producción agraria, en la concentración de la propiedad o en la movilidad de la mano de obra campesina. Los acuerdos contractuales para la explotación de la tierra reflejan, en gran medida, la progresión de los procesos de profundización en el mundo agrario del sistema de complementariedad económica regional, de los efectos de las fluctuaciones del mercado exterior, sobre todo en referencia a la producción de vinos, o las tendencias del consumo en Canarias.Property and the use of land in the Canary Islands under the previous regime are fundamental factors for understanding the historical evolution of their social formation. The relations of the factors of production, the accumulation of agricultural property and the distribution of wealth are some of the parameters on which the regional socio-economic system rests. The agrarian contracts on record in La Palma - leases, tenancy farming- are valuable references for discovering the processes of deforestation, the advance of agriculture, the transformation in ownership of agricultural lands, the concentration of ownership and the mobility of rural labour. The contractual agreements for working the land show, to a large extent, the progression of the processes of development of the agrarian world of the regional system of complementary economic advantages, the effects of the fluctuations in the overseas market

  5. Implementación del software libre en la web de la Biblioteca Pública de Palma Can Sales

    Directory of Open Access Journals (Sweden)

    Ordóñez Nievas, Ramón

    2014-12-01

    Full Text Available Es descriu el projecte de disseny i implementació del web de la Biblioteca Pública de Palma Can Sales per mitjà d'un sistema de gestió de continguts open source que permeti integrar les noves tecnologies de la informació i comunicació, obtenir un major grau d'accessibilitat i usabilitat i un disseny visual més amigable, acord amb les noves tendències web. S'incorporen les noves eines web 2.0 per aconseguir una major participació dels usuaris en l'elaboració dels continguts i millorar així els serveis oferts. Finalment, es destaca en aquest procés la utilització d'eines, extensions i altres aplicacions de programari lliure en totes les etapes del seu desenvolupament.Se describe el proyecto de diseño e implementación de la página web de la Biblioteca Pública de Can Sales a través de un sistema de gestión de contenidos open source que permita integrar las nuevas tecnologías de la información y comunicación, obtener un mayor grado de accesibilidad y usabilidad y un diseño visual más amigable acorde con las nuevas tendencias web. Se incorporan las nuevas herramientas web 2.0 para conseguir una mayor participación de los usuarios en la elaboración de los contenidos y mejorar así los servicios ofrecidos. Finalmente se destaca en este proceso la utilización de herramientas, extensiones y demás aplicaciones de software libre en todas las etapas de su desarrollo.This paper reports on the design and development of the website of Can Sales, the public library in Palma, Majorca whose open source contents management system has made it possible to integrate the new ITs, improve site accessibility and usability and make the website’s visual experience more user friendly. The website has incorporated new Web 2.0 tools to improve its services and allow users to participate more actively in the design and development of the contents. Finally, the paper also focuses on the importance, at all stages of the project, of the tools

  6. Emisiones gaseosas y opacidad del humo de un motor operando con bajas concentraciones de biodiesel de palma

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    John R. Agudelo

    2005-01-01

    Full Text Available En este artículo se presentan los resultados de las prestaciones mecánicas y ambientales de un motor diesel de automoción de 2.5 litros de cilindrada, turboalimentado, montado en banco de ensayos, que utiliza diesel corriente y biodiesel de aceite de palma mezclado al 5, 10 y 20% en volumen. Los ensayos se realizaron a igualdad de energía en el cigüeñal para cada combustible, en cinco grados de carga estacionarios, representativos de las condiciones de operación del vehículo en ciudad. Se obtuvo un incremento en el consumo específico de combustible respecto al diesel corriente en torno a 0.5, 1 y 1.7% al usar B5, B10 y B20 respectivamente. El rendimiento efectivo no sufrió cambios estadísticamente significativos, con lo cual se comprobó que la relación energía suministrada a energía obtenida en el cigüeñal se mantuvo constante independientemente de la mezcla de biodiesel. Las emisiones específicas de THC (gTHC/kWh disminuyeron aproximadamente en la misma proporción que el contenido de biodiesel en la mezcla (5, 10 y 20%, para B5, B10 y B20 respectivamente. Las de CO y la opacidad de humos (% disminuyeron en la misma proporción, correspondiente con la mitad del contenido de biodiesel en la mezcla (2.5, 5 y 10%, para B5, B10 y B20 respectivamente. Las emisiones específicas de NOx incrementaron ligeramente, y alcanzaron un máximo para la mezcla B20 en torno al 3% respecto al diesel corriente. Se presentan los índices de emisión en términos de masa de contaminante por unidad de masa de combustible quemado. Los resultados permiten concluir que el uso del biodiesel de aceite de palma mezclado en concentraciones inferiores al 20% con diesel convencional tiene ventajas ambientales significativas. Desde el punto de vista mecánico, el consumo adicional de combustible se ve apenas ligeramente incrementado sin afectar el rendimiento efectivo del motor.

  7. Chronology and volcanology of the 1949 multi-vent rift-zone eruption on La Palma (Canary Islands)

    Science.gov (United States)

    Klügel, A.; Schmincke, H.-U.; White, J. D. L.; Hoernle, K. A.

    1999-12-01

    The compositionally zoned San Juan eruption on La Palma emanated from three eruptive centers located along a north-south-trending rift zone in the south of the island. Seismic precursors began weakly in 1936 and became strong in March 1949, with their foci progressing from the north of the rift zone towards its south. This suggests that magma ascended beneath the old Taburiente shield volcano and moved southward along the rift. The eruption began on June 24, 1949, with phreatomagmatic activity at Duraznero crater on the ridgetop (ca. 1880 m above sea level), where five vents erupted tephritic lava along a 400-m-long fissure. On June 8, the Duraznero vents shut down abruptly, and the activity shifted to an off-rift fissure at Llano del Banco, located at ca. 550 m lower elevation and 3 km to the northwest. This eruptive center issued initially tephritic aa and later basanitic pahoehoe lava at high rates, producing a lava flow that entered the sea. Two days after basanite began to erupt at Llano del Banco, Hoyo Negro crater (ca. 1880 m asl), located 700 m north of Duraznero along the rift, opened on July 12 and produced ash and bombs of basanitic to phonotephritic composition in violent phreatomagmatic explosions ( White and Schmincke, 1999). Llano del Banco and Hoyo Negro were simultaneously active for 11 days and showed a co-variance of their eruption rates indicating a shallow hydraulic connection. On July 30, after 3 days of quiescence at all vents, Duraznero and Hoyo Negro became active again during a final eruptive phase. Duraznero issued basanitic lava at high rates for 12 h and produced a lava flow that descended towards the east coast. The lava contains ca. 1 vol.% crustal and mantle xenoliths consisting of 40% tholeiitic gabbros from the oceanic crust, 35% alkaline gabbros, and 20% ultramafic cumulates. The occurrence of xenoliths almost exclusively in the final lava is consistent with their origin by wall-rock collapse at depth near the end of the eruption

  8. Three Neoclassicisms. Exploring the Possibilities of a Comparative Average Shot Length Through Clint Eastwood, Brian De Palma and Woody Allen

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    Agustín Rubio Alcover

    2013-07-01

    Full Text Available This study is intended to compare the complete filmographies of the three American directors whose works are analyzed. They are Clint Eastwood, Brian De Palma and Woody Allen. We define the approach as a trampoline for leaping over the wall of a difficult conceptual and methodological blind alley—an understanding of movie editors and their task, but above all their contribution. Their work is disguised as something merely technical and obvious but, even in the best of cases, this attitude never anything other than lazy. It is the analysis route upheld and cultivated by the David Bordwell and Barry Salt that we are prepared to travel along. If we want to abjure an unsustainably radical anti-empiricism without precipitating ourselves into neo-empiricist infantilism or regressing to a chaotic teratology—that is: to try to remain focused on both the wood and the trees—a statistical-type study, aided by the latest-generation digital and computer tools and, more specifically, an Average Shot Length study (which we will refer to from now on with the acronym ASL appears to us an objective and, consequently, literally unobjectionable criterion. It is probably as reductionist as it is stimulating when it comes to reaching conclusions that are non-definitive but undoubtedly worthy of interest, because, faced with the subjectivity of the analysis and at the general macroscopic level of the movie, the normative and the standard blends with the deviant, or exceptional.   

  9. Geología y vulcanología de La Palma y El Hierro, Canarias Occidentales

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    Pérez Torrado, F. J.

    2001-12-01

    Full Text Available The western Canaries, relatively little studied until a few years ago from the geological point of view, have however provided decisive data for understanding many of the most important geological problems of the Archipelago, which would probably have been dilucidated earlier, had the study begun with the most recent islands, as occurs in similar chains of oceanic volcanic islands in other parts of the world. To summarize the main geological features and evolutionary characteristics of both islands we emphasize the following stages of development: During the Pliocene, a submarine volcanic edifice or seamount formed in the island of La Palma, made up of pillow lavas, pillow breccias and hyaloclastites, intruded by trachytic domes, plugs of gabbros, and a highly dense dyke swarm. The intense magmatic and dyke intrusion uplifted the searnount up to 1,500 m, tilting it 45-50" to the SW. This intrusive phase was followed by a period of quiescence and erosion of the emerged submarine edifice. The definitive consolidation and progression of the construction of the island continued from at least 1.77 ma in angular and erosive discordance over the submarine basement. The subaerial volcanic reactivation, in which explosive volcanism predominated during the initial stages, producing abundant volcanoclastic and phreatomagmatic materials at the base of the subaerial edifice, persisted in a highly continuous manner until at least 0.41 ma. This initial subaerial stage shaped the northern volcanic shield, formed by the accumulation of several superimposed volcanoes, approximately concentric in relation to one another and the submarine basement. The initial stage of the northern volcanic shield lasted between 1.77 and 1.20 ma, during which period the Garafía volcano was built to a height of 2,500-3,000 m, with steeply sloping flanks, formed predominantly by alkaline basalts with abundant pahoehoe lavas. The rapid growth and progressive instability of the Garaf

  10. Costos ambientales en el proceso de extracción del aceite de palma. Estudio de un caso

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    Doris C. Reinosa Pulido

    2009-01-01

    Full Text Available El objetivo de la presente investigación es establecer los factores que inciden en la conformación de los costos ambientales en el procesamiento de extracción del aceite de palma en la planta procesadora Palmeras San Simón, en el Municipio Colón, Estado Zulia. La investigación se enmarca dentro de la contabilidad financiera, sobre la base de los costos internos. El tipo de investigación es descriptiva, de campo, las técnicas utilizadas fueron la entrevista, la observación directa y el cuestionario. Se obtuvieron los siguientes resultados: 1 La empresa conoce los principales efluentes, impacto ambiental y ha establecido acciones tendentes a mejorar su gestión, aunque no existe un departamento formal de gestión ambiental. (2 No existe vinculación entre el departamento de contabilidad y la gestión ambiental ejecutada. (3 El sistema contable no permita establecer los costos ambientales. Se concluyó lo siguiente: Se debe implantar una metodología que permita acumular los costos ambientales donde se imputen al costo del producto, actividad o periodo, y no segregarlos en un centro de costos ambientales separado.

  11. Pequeños productores, reestructuración y expansión de la palma africana en Chiapas

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    Héctor B. Fletes Ocón

    2013-01-01

    Full Text Available En el contexto del dinamismo y contradicciones del sector agroalimentario, en la actualidad los pequeños productores son impulsados a emprender una reestructuración de sus prácticas productivas, a través de la plantación de cultivos orientados a biocombustibles, como el de la palma africana. En este artículo se analizan los procesos de reestructuración productiva, promovida por corpora-ciones de distinto origen y por el Estado, y las acciones realizadas por pequeños productores en un municipio con alta marginación, localizado en una región agroexportadora de Chiapas. Se revisan las contradicciones sociales y ambientales de este cambio y sus implicaciones a futuro, en términos del desarrollo agrícola y alimentario nacional. La expansión de este cultivo acentúa las desigualdades sociales, degrada los recursos naturales, utiliza mucha energía fósil, impulsa la concentración de la tierra, debilita los sistemas locales de provisión de alimentos y reduce los márgenes del valor generado en la cadena agroalimentaria para los pequeños productores.

  12. HABITS OF PATIENTS AND IMPORTANCE OF PHYSICAL EDUCATOR IN THE TREATMENT OF DIABETES MELLITUS TYPE II IN PALMAS, TOCANTINS, BRAZIL

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    Maynard Noleto SALES

    2015-12-01

    Full Text Available Diabetes mellitus, a non-communicable disease that can affect men and women, can be classified as type I or type II. This disease is in the 4th position in numbers of deaths in Brazil, and therefore, involves attention, both from the government, as the patients and family. The aims of this study is describe the lifestyle in relation to diet, foot care and proper medication, and the point of view of patients with diabetes mellitus type II, on the importance of the practice of physical exercise, coordinated and programmed. We performed a study using Questionnaire of Self-Care Activities with Diabetes (QAD and a second questionnaire with questions related to the importance of exercise for patients with diabetes mellitus type II. Questionnaires were applied in 20 patients with the disease (08 men and 12 women, living in the city of Palmas, Tocantins, Brazil. Result: We noticed that even with the recommendations of healthcare professionals, most patients with diabetes mellitus type 2 has not adapted verification of blood glucose, proper nutrition and foot care. Moreover, despite the interviewees know the importance of performing regular physical activity, we noticed that these do not know how much of weekly days in which they must get physical exercise in order to control the disease. Most interviewees adopt just walk as the physical activity, and we have not verified from the answers of patients, if they know what the most beneficial exercises to control this disease.

  13. Hydrothermal alteration of a seamount complex on La Palma, Canary Islands: Implications for metamorphism in accreted terranes

    Science.gov (United States)

    Schiffman, P.; Staudigel, H.

    1994-02-01

    The hydrothermal metamorphism of a sequence of Pliocene-age seamount extrusive and volcaniclastic rocks on La Palma, Canary Islands, is characterized by a relatively complete low-pressure-high-temperature facies series encompassing the zeolite, prehnite-pumpellyite, and greenschist facies. The observed mineral zonations imply metamorphic gradients of 200-300 °C/km. The metamorphism of the seamount, at least in its core region, is distinct from ocean-floor metamorphism: the former is characterized by a serially continuous facies series encompassing zeolite, prehnite-pumpellyite, and greenschist assemblages, and the latter by a discontinuous metamorphic gradient in which prehnite-pumpellyite assemblages are absent. These metamorphic features, presumably reflecting fundamental thermal-tectonic differences between extending oceanic crust at mid- oceanic ridges vs. the more static crust underlying seamount volcanoes, should aid in the recognition of incoherent fragments of seamount metamorphic rocks within accreted terranes which typically have undergone subsequent higher pressure-temperature regional metamorphism, albeit to comparable grades.

  14. Whole-system metabolism and CO2 fluxes in a Mediterranean Bay dominated by seagrass beds (Palma Bay, NW Mediterranean

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    A. V. Borges

    2004-10-01

    Full Text Available The relationship between whole-system metabolism estimates based on planktonic and benthic incubations (bare sediments and seagrass, Posidonia oceanica meadows, and CO2 fluxes across the air-sea interface were examined in the Bay of Palma (Mallorca, Spain during two cruises in March and June 2002. Moreover, planktonic and benthic incubations were performed at monthly intervals from March 2001 to October 2002 in a seagrass vegetated area of the bay. From the annual study, results showed a contrast between the planktonic compartment, which was heterotrophic during most of the year, except for occasional bloom episodes, and the benthic compartment, which was slightly autotrophic. Whereas the seagrass community was autotrophic, the excess organic carbon production therein could only balance the excess respiration of the planktonic compartment in shallow waters (2 fields and fluxes across the bay observed during the two extensive cruises in 2002. Finally, dissolved inorganic carbon and oxygen budgets provided NEP estimates in fair agreement with those derived from direct metabolic estimates based on incubated samples over the Posidonia oceanica meadow.

  15. Leaf and stem CO/sub 2/ uptake in the three subfamilies of the Cactaceae. [Pereskia aculeata; Pereskia grandifolia; Maihuenia poeppigii; Carnegiea gigantea; Ferocactus acanthodes; Coryphantha vivipara; Mammillaria dioica; Opuntia ficus-inidica; Pereskiopsis porteri; Quiabentia chacoensis; Austrocylindropuntia subulata

    Energy Technology Data Exchange (ETDEWEB)

    Nobel, P.S.; Hartsock, T.L.

    1986-04-01

    Net CO/sub 2/ uptake over 24-hour periods was examined for the leaves and for the stems of 11 species of cacti representing all three subfamilies. For Pereskia aculeata, Pereskia grandifolia, and Maihuenia poeppigii (subfamily Pereskioideae), all the net shoot CO/sub 2/ uptake was by the leaves and during the daytime. In contrast, for the leafless species Carnegiea gigantea, Ferocactus acanthodes, Coryphantha vivipara, and Mammillaria dioica (subfamily Cactoideae), all the shoot net CO/sub 2/ uptake was by the stems and at night. Similarly, for leafless Opuntia ficus-indica (subfamily Opuntioideae), all net CO/sub 2/ uptake occurred at night. For leafy members of the Opuntioideae (Pereskiopsis porteri, Quiabentia chacoensis, Austrocylindropuntia subulata), at least 88% of the shoot CO/sub 2/ uptake over 24 hours was by the leaves and some CO/sub 2/ uptake occurred at night. Leaves responded to the instantaneous level of photosynthetically active radiation (PAR) during the daytime, as occurs for C/sub 3/ plants, whereas nocturnal CO/sub 2/ uptake by stems of O. ficus-indica and F. acanthodes responded to the total daily PAR, as occurs for Crassulacean acid metabolism (CAM) plants. Thus, under the well-watered conditions employed, the Pereskioideae behaved as C/sub 3/ plants, the Cactoideae behaved as CAM plants, and the Opuntioideae exhibited characteristics of both pathways.

  16. Análise microbiológica de areias de praças públicas da cidade de Palmas (PR / Microbiological analysis of sands in public squares of the city of Palmas (PR

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    Rodrigo Hinojosa Valdez

    2012-12-01

    Full Text Available ResumoO uso de areias em praças públicas para o entretenimento é uma prática comum e é principalmente realizada por crianças e adolescentes. Mas se esta areia não estiver em condições adequadas para sua utilização, pode trazer riscos à saúde humana. O objetivo deste trabalho foi verificar a ocorrência de coliformes em areias de recreação localizadas em praças públicas, na cidade de Palmas, Paraná. O experimento foi realizado com areias de seis praças públicas. As amostras foram processadas no laboratório de Microbiologia do Instituto Federal do Paraná, durante setembro a novembro de 2011. O método adotado para a pesquisa foi o de Tubos Múltiplos e os resultados obtidos foram analisados e comparados com a Tabela do Número Mais Provável. Apenas a areia da praça localizada entre a Rua Pedro Cordes e a Rua Cacique Conda, no Bairro Lagoão, não apresentou contaminação por coliformes termotolerantes e totais. O local que teve um maior índice de contaminação por coliformes termotolerantes foi à praça localizada na Rua Capitão Paulo Araújo, com a Rua Sete de Setembro no Bairro Santa Cruz. Já a praça localizada no Parque da Gruta apresentou a maior contaminação para coliformes totais. O restante apresentou pelo menos contaminação por um dosgrupos de coliformes. De modo geral, apenas uma praça está apta para sua utilização, às demais estão impróprias e merecem uma atenção maior pelas autoridades para melhorar sua qualidade higiênico-sanitária. Torna-se ainda necessário estabelecer uma efetiva legislação de qualidade sanitária para areias de recreação, para que o controle delas seja realizado rotineiramente.AbstractPlaying on sand playgrounds in public areas is an activity that is commonly performed by children and adolescents. Therefore, recreational sand in inadequate conditions is risky to human health. The aim of this study was to verify the occurrence of coliforms in sand playgrounds in

  17. Evaluación de Varios Insecticidas para el Control del Cephaloleiaspcerca avagelineataPic, Plaga de la Palma Africana

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    Urueta Sandino Eduardo

    1974-04-01

    Full Text Available Resumen. Se efectuaron varios ensayos para determinar el efecto de carbofuran 1.0, 1.5 y 2. 0 kg I. A./ha; carbaril 1.5 y 2. 0 kg I. A. /ha; lindano 1.0 y 1.5 kg I. A. /ha; diazinon 0.5 lt I. A./ha; dicrotofos 0. 5 lt I. A. /ha; fosfamidon 0.6 lt. I. A/ha; y fention 0.5 lt I. A./ha, sobre adultos y larvas de Cephaloleiasp. cerca avagelineataPic., una plaga de la palma africana en Colombia. Todos los insecticidas fueron efectivos para controlar larvas de Cephaloleiasp. en cogollos, hasta por periodos de más de 30 días. El carbofuran 2.0 kg I. A./ha carbaril 2.0 kg l . A./ha y lindano 1. 5 kg I.A. /hafueron los productos más eficientes para controlar adultos de Cephaloleia. sp. protegiendo por 15 días las hojas más jóvenes. Dicrotofos 0.5 lt I. A./ha; diazinon0.5 lt l. A./ha; fention 0.5 itI. A./ha y fosfamidon 0.6 lt I. A/ha, aparentemente no fueron efectivos para controlar las formas adultas de Cephaloleiasp. Ninguno de los insecticidas fue fitotóxico para la palma africana. /Abstract. Several tests were carried out to determine the effectiveness of carbofuran 1. 0, 1.5 and 2.0 kg A.I./ha; carbaryl 1.5, 2.0 kg. A.I./ha; lindane 1.0, 1.5 kg. A.I./ha; phosphamidon 0.6 lt. A.I./ha; fenthion 0.5 lt. A.I./ha; dicrotophos 0.5 lt. A.I /ha; diazinon 0.5 lt. A.I./ha on larvae and adults of Cephaloleia. sp. near vagelineata Pic a Chrysomelidae that affects young oil palm (Elaeisguineensis leaves in Colombia. All of these insecticides controlled well Cepbaloleia sp. larvae for periods over a month. carbofuran 2 kg. A.I./ha; carbaryl 2kg. A.I./ha and lindane 1.5 kg. A. I./ha gave the best control of Cephaloleia. sp. adults, protecting young oil palm leaves up to 15 days. Dicrotophos 0.5 lts. A.I./ha; fenthion 0.5 lt. A. I./ha; phosphamidon 0.6 lt. A.I./ha; diazinon 0.5 lt. A.I./ha; apparently were not effective to control adults of Cephaloleia sp. None of the insecticides tested showed to be phytotoxic to the oil palm.

  18. Palma Forrageira (Opuntia Fícus- Indica Mill como alternativa na alimentação se ruminantes (Forage Palm (Opuntia Fícus- Indica Mill As Alternative In Ruminant Feeding

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    Cristina Cavalcante Félix da Silva

    2007-05-01

    Full Text Available Resumo A exploração pecuária na região Nordeste é apresenta baixo teor de fibra em prejudicada pelas constantes secas e detergente neutro, necessitando sua irregularidade das chuvas, causando assim, associação a uma fonte de fibra que uma baixa produtividade de seu rebanho. apresente alta efetividade. Assim, torna-se Considerando essa má distribuição de possível a associação da palma com chuvas, é necessária a busca de alimentos alimentos de baixo custo, permitindo alternativos e mais baratos, como a palma produção de leite e manutenção em níveis forrageira. A palma forrageira sem espinho bastante próximos aos obtidos com não é nativa do Brasil. No Nordeste do alimentos de maior valor comercial. Com Brasil são encontrados três tipos distintos isso, esta revisão tem por objetivo de palma: gigante, redonda e miúda. Essa demonstrar a eficiência da utilização da forrageira apresenta alta produção de palma forrageira na alimentação de matéria seca por unidades de área, é uma ruminantes. excelente fonte de energia, rica em carboidratos não fibrosos e nutrientes

  19. Estado de conservación de las poblaciones de tres palmas amenazadas del departamento del Valle del Cauca, Colombia

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    Galeano Gloria

    2007-04-01

    Full Text Available Se evaluó el estado de conservación de Attalea amygdalina, Aiphanes duquei y Bactris gasipaes var. chichagüi, tres
    palmas amenazadas del Valle del Cauca (Colombia, dentro del proyecto “Evaluación y conservación del departamento del Valle del Cauca, basada en principio de planeación sistemática de la conservación”. Para la evaluación, se determinó la distribución actual, las densidades, las estructuras de edad y se identificaron los factores de vulnerabilidad de las poblaciones. Para el caso de Aiphanes duquei se estudiaron 0,65 ha (11 parcelas donde se encontraron densidades bajas y una estructura de edad de una población en crecimiento. Se estimaron unos 250 individuos adultos ocupando solamente 15 ha. Para Attalea amygdalina se estudiaron 0,4 ha (cuatro parcelas y se encontraron poblaciones con densidades altas y estructuras de edad de poblaciones en crecimiento, pero todas en hábitats muy fragmentados, de menos de 4 ha; se estimaron unos 4.000 adultos en el Valle del Cauca. Por último, para Bactris gasipaes var. chichagüi se estudiaron 0,85 ha (10 parcelas donde se encontraron en general densidades bajas y estructuras de edad incompletas y de
    poblaciones decreciendo. De acuerdo a esta información se propusieron medidas de conservación in situ y ex situ para cada especie.

  20. SnO2 COMO CATALIZADOR Y SOPORTE DE Ni Y Sn EN LA ALCOHOLISIS DEL ACEITE DE PALMA

    Directory of Open Access Journals (Sweden)

    CARLOS E. ARARAT

    2011-01-01

    Full Text Available El óxido de estaño en forma de SnO2 (casiterita ha sido usado como catalizador en diferentes procesos de interés de la industria química, tales como la de deshidrogenación, cracking, isomerización y oxidación de hidrocarburos. En este trabajo se estudió la aplicación de SnO2 como catalizador y como soporte de especies de níquel y estaño, en la alcohólisis del aceite de palma. La obtención del SnO2 se realizó por el método de precipitación y la incorporación de níquel y estaño, al soporte, por el método de impregnación. Se determinó que el SnO2 presentaba una mayor actividad frente a la reacción de alcohólisis en comparación con otros óxidos, tal como el MgO, y que esta actividad era afectada por la adición de níquel y estaño en su superficie. Se utilizó cromatografía de gases CG para el seguimiento de las reacciones, así como la espectroscopia FTIR para realizar el análisis de los productos obtenidos después del proceso. Los catalizadores fueron analizados por DRX para la determinación de las fases cristalinas presentes y del análisis de área superficial, volumen y tamaño de poro, para determinar las propiedades texturales de los catalizadores.

  1. Whole-system metabolism and CO2 fluxes in a Mediterranean Bay dominated by seagrass beds (Palma Bay, NW Mediterranean

    Directory of Open Access Journals (Sweden)

    F. Gazeau

    2005-01-01

    Full Text Available Planktonic and benthic incubations (bare and Posidonia oceanica vegetated sediments were performed at monthly intervals from March 2001 to October 2002 in a seagrass vegetated area of the Bay of Palma (Mallorca, Spain. Results showed a contrast between the planktonic compartment, which was on average near metabolic balance (−4.6±5.9 mmol O2 m-2 d-1 and the benthic compartment, which was autotrophic (17.6±8.5 mmol O2 m-2 d-1. During two cruises in March and June 2002, planktonic and benthic incubations were performed at several stations in the bay to estimate the whole-system metabolism and to examine its relationship with partial pressure of CO2 (pCO2 and apparent oxygen utilisation (AOU spatial patterns. Moreover, during the second cruise, when the residence time of water was long enough, net ecosystem production (NEP estimates based on incubations were compared, over the Posidonia oceanica meadow, to rates derived from dissolved inorganic carbon (DIC and oxygen (O2 mass balance budgets. These budgets provided NEP estimates in fair agreement with those derived from direct metabolic estimates based on incubated samples over the Posidonia oceanica meadow. Whereas the seagrass community was autotrophic, the excess organic carbon production therein could only balance the planktonic heterotrophy in shallow waters relative to the maximum depth of the bay (55 m. This generated a horizontal gradient from autotrophic or balanced communities in the shallow seagrass-covered areas, to strongly heterotrophic communities in deeper areas of the bay. It seems therefore that, on an annual scale in the whole bay, the organic matter production by the Posidonia oceanica may not be sufficient to fully compensate the heterotrophy of the planktonic compartment, which may require external organic carbon inputs, most likely from land.

  2. Fray Domingo de Mendoza y el convento de San Pedro Mártir de Las Palmas. Una aproximación historiográfica = Domingo de Mendoza and the convent of San Pedro Mártir de Las Palmas. A historiographical approach

    Directory of Open Access Journals (Sweden)

    Barrado Barquilla, José

    2016-01-01

    Full Text Available Resumen: Este nuevo estudio sobre los dominicos en Canarias, el segundo de los que hemos publicado hasta ahora, se centra en la figura de fray Domingo de Mendoza, uno de los principales artífices de la implantación de la Orden en el Nuevo Mundo (América y principalmente en las Islas Canarias, de cuyo convento de Las Palmas de Gran Canaria fue el fundador = Abstract: This new study on the Dominicans in the Canary Islands, the second we have published until now, it focuses on the figure of fray Domingo de Mendoza, one of the main architects of the implantation of the Order in the New World (America and principally in the Canary Islands, whose Las Palmas de Gran Canaria convento, was the founder.

  3. Identificación y clasificación en biotipos de las malezas asociadas con el cultivo de la palma de aceite

    Directory of Open Access Journals (Sweden)

    Carlos Andrés Ariza

    2012-07-01

    Full Text Available En dos plantaciones de palma de aceite, ubicadas en los municipios de Villanueva, Casanare, y Barranca de Upía, Meta, (Colombia, zona del Bajo Upía, se realizó un reconocimiento y clasificación en biotipos de las malezas asociadas con la palma de aceite. Para realizar el trabajo se visitaron las dos fincas, y se procedió a recoger muestras y fotografiar las malezas que se encontraban dentro del cultivo, así como en su contorno. La identificación y descripción se realizó siguiendo la metodología binaria latina expuesta por Linneo y especificada en el Código Internacional de Nomenclatura Botánica, reportada para las especies reconocidas, mediante los servicios del herbario de la Universidad Pedagógica y Tecnológica de Colombia, y referencias de autores como Doll et al. (1972, Lemus y Lemus (2004, Rentería et al. (2006, Blair y Madrigal (2005, Fuentes et al. (1998, Kress et al. (2004, Becerra y Chaparro (1999 y Genty (1993. Para la agrupación de las malezas en biotipos (lianas, herbáceas, arbustos y árboles se tuvieron en cuenta sus características morfológicas. Se encontraron en  total 195 especies de malezas asociadas con el cultivo de la palma de aceite, 145 dicotiledóneas y 50 monocotiledóneas, pertenecientes a 43 familias.

  4. Desempenho de diferentes lipases imobilizadas na síntese de biodiesel de óleo de palma = Performance of different immobilized lipases in palm oil biodiesel synthesis

    Directory of Open Access Journals (Sweden)

    Grazielle dos Santos Silva

    2011-04-01

    Full Text Available O presente trabalho teve como objetivo determinar as condicoes otimizadas da sintese enzimatica de biodiesel, a partir do oleo de palma e etanol, empregando diferentes lipases imobilizadas (lipase de Pseudomonas fluorescens imobilizada em SiO2-PVA e lipase de Candida antartica imobilizada em resina acrilica - Novozym„µ 435 em meio isento de solvente. Uma matriz de planejamento fatorial foi utilizada para avaliar a influencia da temperatura (42 ¡V 58„aC e a razao molar entre etanol e oleo de palma (6:1 ¡V 18:1 no rendimento detransesterificacao alcancado para cada preparacao de lipase. Os efeitos principais foram ajustados por analise de regressao multipla a modelos lineares e o rendimento maximo foi obtido quando o sistema operacional foi operado a 42„aC com substratos contendo etanol eoleo de palma na razao molar de 18:1. Os modelos matematicos que representam o rendimento global da reacao para cada lipase imobilizada foram considerados adequados para descrever os resultados experimentais.Optimized conditions for palm oil and ethanol enzymatic biodiesel synthesis were determined with different immobilized lipases SiO2-PVA-immobilized lipase from Pseudomonas fluorescens and acrylic resin-immobilized lipase, NovozymR435, from Candida antartica, in solvent-free medium. A full factorial design assessed the influence oftemperature (42 ¡V 58¢XC and ethanol: palm oil (6:1 ¡V 18:1 molar ratio on the transesterification yield. Main effects were adjusted by multiple regression analysis to linear models and the maximum transesterification yield was obtained at 42¢XC and 18:1 ethanol:palm oil molar ratio. Mathematical models featuring total yield for each immobilized lipase were suitable to describe the experimental results.

  5. Regeneración de palmas en plantaciones y bosques nativos en el santuario de fauna y flora Otún, Quimbaya (Risaralda, Colombia

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    Vargas Ríos Orlando

    2006-06-01

    Full Text Available Las palmas constituyen un grupo clave en el estudio de los procesos sucesionales en bosques montanos neotropicales, por su alta representatividad estructural, funcional y ecológica. En el presente estudio se evaluó la regeneración diferencial de palmas y su estructura de edades en diferentes tipos de bosque (nativo maduro, nativo secundario, pino, roble urapán del Santuario de Fauna y Flora Otún-Quimbaya (Risaralda, Colombia, en términos de la distribución diferencial de las especies y de la determinación de las estructuras de edad por
    especie para cada tipo de bosque. La regeneración diferencial se explica en términos de rasgos de la historia de vida de las especies y factores sucesionales. Se registraron diez especies de palmas. La especie más abundante fue Geonoma undata, con cerca de la mitad del total de individuos muestreados, seguida de Prestoea acuminata, Chamaedorea pinnatifrons y Ceroxylon alpinum. Las plantaciones de urapán presentaron los menores valores de diversidad y uniformidad. Los bosques nativos maduros presentaron los mayores valores de diversidad. C. alpinum fue la especie con mayor frecuencia de aparición en todos los transectos muestreados, seguida de G.
    undata, Ch. pinnatifron y P. acuminata. En general, las clases plántulas y juveniles 1 contuvieron la mayor cantidad de individuos, con un máximo del 92% de total de individuos de G. undata encontrados en las urapaneras.

  6. Características morfofisiológicas e produtividade da palma forrageira em diferentes lâminas de irrigação

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    Maria G. de Queiroz

    2015-10-01

    Full Text Available RESUMOMuitas são as suposições quanto à baixa exigência de água da palma mas tais informações dependem de estudos de análise do desempenho da cultura a diferentes condições hídricas. Assim, objetivou-se verificar o efeito de diferentes lâminas de irrigação sobre a morfofisiologia e desempenho produtivo da palma forrageira cultivada em ambiente Semiárido. O experimento foi conduzido no segundo ano produtivo da cultura, em Serra Talhada, PE. As lâminas de água aplicadas totalizaram, ao final do ciclo, 976, 1048, 1096, 1152 e 1421 mm. Na ocasião da colheita foram feitas medidas biométricas e de biomassa das plantas e em seguida obtidos índices de resposta hídrica, morfológicos, morfofisiológicos e feita análise de produtividade. Verificou-se que as lâminas de irrigação não afetaram os índices de resposta hídrica (com exceção do peso fresco do cladódio de 1ª ordem, morfológicos e morfofisiológicos (p > 0,05, assim como o desempenho produtivo; todavia, os valores médios obtidos para a biomassa verde e seca (131,16 e 8,18 t ha-1 e do número de cladódios totais (14,13 unid., se mostraram superiores aos relatos de cultivos em condições de sequeiro. Sugerem-se condições de disponibilidade hídrica de 1048 a 1096 mm ano-1 para a palma forrageira.

  7. CARACTERÍSTICAS Y CLASIFICACIÓN DE LOS SUELOS CULTIVADOS DE ARROZ EN LA PALMA, PINAR DEL RÍO

    OpenAIRE

    A. Hernández; Irene Moreno

    2010-01-01

    En este trabajo se estudian las características morfológicas, físico-químicas y de fertilidad de seis perfiles de suelos cultivados de arroz en fincas de La Palma, Pinar del Río. Se comprueba que los suelos están afectados por el proceso de gleyzación y presentan estructura del horizonte A desfavorable. Al mismo tiempo, en dos de esos perfiles, como resultado del cultivo del arroz, se presenta un horizonte antrópico que se denomina hidrágrico. Además, los seis perfiles de suelos se clasifican...

  8. Investigaciones dendrogeomorfológicas aplicadas al estudio de la peligrosidad por avenidas e inundaciones en el parque nacional de la Caldera de Taburiente (La Palma, Islas Canarias).

    OpenAIRE

    Díez Herrero, Andrés; Genova Fuster, Maria del Mar; Mayer Suárez, Pablo Lucas; Ballesteros Cánovas, Juan Antonio; Becerril Carretero, Laura; Rubiales Jimenez, Juan Manuel; Hernández Ruiz, M.; Saz Sánchez, M. A.; Bodoque del Pozo, Jose Maria; Ruiz Villanueva, V.

    2012-01-01

    La red de drenaje del parque nacional de la Caldera de Taburiente (La Palma, Islas Canarias) está constituida por numerosos torrentes tributarios del barranco de Las Angustias, que presentan frecuentes e intensos eventos de avenidas súbitas. Estas riadas han producido incluso víctimas mortales entre practicantes de senderismo (3 fallecidos en noviembre de 2001) e importantes pérdidas económicas al interferir con los proyectos de repoblación de las riberas con especies autóctonas (superio...

  9. Estudio de la viabilidad técnico-económica del biodiésel obtenido a partir de oleína de palma

    OpenAIRE

    Rivera, Mario Fernando; Cabrera, Gerardo; Laín Beatove, Santiago

    2005-01-01

    En este trabajo se presentan los resultados de la evaluación del desempeño de dos formulaciones de biodiésel obtenidas a partir de aceite vegetal de palma. Los resultados obtenidos en ensayos en un dinamómetro para motores de encendido por compresión demuestran su viabilidad tanto técnica como ecológica para la producción de potencia. También se formulan lineamientos para su viabilidad económica. Por consiguiente, la posibilidad de cultivos de energía autosustentables es una posibilidad real....

  10. Caracterización del ambiente atmosférico en Las Palmas de Gran Canaria y Santa Cruz de Tenerife. 2000 a 2004

    Directory of Open Access Journals (Sweden)

    Elena López Villarrubia

    2008-01-01

    Full Text Available Fundamento: El carácter insular de las ciudades de Las Palmas de Gran Canaria y Santa Cruz de Tenerife, su meteorología y la proximidad del continente africano que favorece la llegada de material particulado de origen natural sobre las islas, determinan unas especificidades en su calidad del aire. El objetivo de este artículo es la caracterización de la contaminación atmosférica durante los años 2000 a 2004 como indicador de exposición de los habitantes de estas dos ciudades. Métodos: Se elaboraron los siguientes indicadores de contaminación: promedios de 24 horas de PM10, PM2,5, NO2, SO2 y O3; máximo de las 17 medias móviles octohorarias diarias de O3 y CO; máximo horario diario de SO2, NO2, O3, CO, PM10 y PM2,5. También se calcularon los niveles de la moda gruesa de partículas, como la diferencia entre los valores de PM10 y PM2,5 (PM10-2,5. Se identificaron episodios de intrusión africana. Resultados: En Sta Cruz de TF los promedios de SO2 (14ug/m3N y de O3 (44,4 ug/m3N fueron superiores respecto a los de Las Palmas de GC (8 y 28,3 ug/m3N. Los promedios de NO2 en Las Palmas de GC: 45,8 ug/m3N fueron superiores a los de Sta. Cruz de TF: 30,3 ug/m3N. Debido a las intrusiones africanas, algunos días superaron los 600 ug/m3 de PM10 y los 200 de PM2.5 en ambas ciudades. Conclusiones: Se identifica un patrón de calidad del aire con episodios de polvo mineral africano que en superficie afecta a todas las fracciones granulométricas, una estacionalidad diferente a las ciudades europeas respecto al ozono, así como un patrón de contaminación urbano-industrial en Sta. Cruz de Tf y netamente urbano en Las Palmas de GC. Se hace necesario tener en cuenta estos resultados para analizar su posible impacto sobre la salud de los ciudadanos de las Islas Canarias y establecer sistemas adecuados de vigilancia.

  11. La medición de la calidad de los servicios prestados por los destinos turísticos: el caso de las isla de La Palma

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    Bethencourt Cejas, María

    2005-01-01

    Full Text Available Mature tourist destinations, such as Canary Islands, have been obliged by an increasing globalizationof tourist offer destinations, located in non developed countries which are highly pricecompetitive,to improve the quality of their tourist services in self-defence. This work is based on aninquiry carried out in La Palma Island. This research took a representative sample of the visitors in theisland. Starting from a previous definition of the quality concept applied to the tourist product, we analyzedtourists’ expectations as well as its assembly to the quality of the services tourists received, usingSERVQUAL as measure scale

  12. Evaluación de trampas para capturar adultos de Opsiphanes cassina fabricii Boisduval (Lepidoptera: Nymphalidae) en palma aceitera en Tabasco, México

    OpenAIRE

    2012-01-01

    El objetivo de este trabajo fue evaluar la eficiencia de tres diseños de trampas para la captura de adultos de Opsiphanes cassina fabricii, plaga de la palma aceitera (Elaeis guineensis Jacq.), así como conocer su dinámica poblacional durante el periodo de estudio, realizar un análisis económico sobre el costo de las trampas y determinar otros insectos atrapados que no son objeto de captura. La investigación se efectuó en una plantación de 3 ha ubicada en el municipio de Cárdenas, Tabasco, Mé...

  13. Desempenho de diferentes lipases imobilizadas na síntese de biodiesel de óleo de palma = Performance of different immobilized lipases in palm oil biodiesel synthesis

    OpenAIRE

    Grazielle dos Santos Silva; Dayana Yuri Inoue; Gisanara Dors; Agenor Furigo Junior; Heizir Ferreira de Castro

    2011-01-01

    O presente trabalho teve como objetivo determinar as condicoes otimizadas da sintese enzimatica de biodiesel, a partir do oleo de palma e etanol, empregando diferentes lipases imobilizadas (lipase de Pseudomonas fluorescens imobilizada em SiO2-PVA e lipase de Candida antartica imobilizada em resina acrilica - Novozym„µ 435) em meio isento de solvente. Uma matriz de planejamento fatorial foi utilizada para avaliar a influencia da temperatura (42 ¡V 58„aC) e a razao molar entre etanol e oleo de...

  14. Perfil biofísico de palma camedor (Chamae dorea elegans Mart.) en el estado de Veracruz: una especie de importancia ornamental en las zonas tropicales

    OpenAIRE

    Emiliano Pérez Portilla; Daniel Geissert Kientz

    2008-01-01

    La palma camedor es una planta or na men tal que ha sido recolectada en las regiones tropicales de México y actualmente también es cultivada en varios estados del país, es una planta umbrófila que puede estar integrada en sistemas de producción que cuentan con un estrato arbóreo. Debido a la importancia que tiene esta especie en los programas que se enfocan a promover el manejo de los recursos naturales, se planteó identificar su perfil biofísico con miras a apoyar la planificación de su cult...

  15. Contaminación visual por vallas en la vía Las Palmas en el Valle de Aburrá

    OpenAIRE

    Pérez Giraldo, Juan Sebastián

    2013-01-01

    En este trabajo se presenta la problemática existente en la vía Las Palmas, en relación con la contaminación visual generada por vallas publicitarias, por medio de un registro fotográfico, encuestas y datos de accidentalidad, a su vez para asentar la investigación, se analiza el registro fotográfico con respecto a la normatividad existente y se realiza una encuesta buscando encontrar alguna relación entre la contaminación visual existente y la accidentalidad en la vía

  16. Reconfiguración territorial y cultivo de palma africana en el Magdalena Medio. El caso de San Pablo Sur de Bolívar

    OpenAIRE

    Blanco Herrero, Sergio

    2012-01-01

    El trabajo muestra el problema de la reconfiguración territorial en el Magdalena Medio a partir de la expansión de los cultivos agroindustriales de la palma africana en un contexto de conflicto armado y en el marco de las relaciones Norte-Sur. The work shows the problem of territorial reconfiguration in the Middle Magdalena from the expansion of agro-industrial crops of oil palm in a context of armed conflict and in the context of North-South relations.

  17. EVALUACIÓN DEL IMPACTO DE LA SELECCIÓN PARTICIPATIVA DE VARIEDADES DE FRIJOL (Phaseolus vulgaris L.) EN LA PALMA, PINAR DEL RÍO

    OpenAIRE

    2005-01-01

    El presente trabajo se realizó en el municipio La Palma, provincia Pinar del Río, Cuba, para evaluar el impacto del fitomejoramiento participativo sobre el sistema local de semillas de los pequeños agricultores del frijol común (Phaseolus vulgaris L.). El trabajo de investigación consideró realizar el primer ejercicio de selección participativa de variedades de frijol en una feria de diversidad efectuada en una comunidad rural en Cuba, la cual fue organizada por un agricultor en la localidad ...

  18. Análise de empreendimentos florestais (pinus) como alternativa de renda para o produtor rural na região dos Campos de Palmas

    OpenAIRE

    2004-01-01

    The present study, using a group of analysis of investments indicators, analyzes the risk-return relationship for different modalities of contracts so as to undertake reforestation activities in the area of “Campos de Palmas†in the South of Brazil. Due to the existing soil and climate conditions in that area, the pinus culture comes as a natural option of entrepreneurship for the rural landowners. Also, due to the world demand for wood, the companies of that region search for alternative ...

  19. Caracterización de un ambiente costero, sector Sabaneta de Palma en la Parroquia San José, Municipio Miranda, Estado Zulia

    OpenAIRE

    María Elena Ponce-Calderón; María de Lourdes Olivo-Garrido; Rodolfo Alejandro Ponce-Vásquez

    2016-01-01

    Se estudió el ambiente geomorfológico y la vegetación asociada en un ambiente costero ubicado en Sabaneta de Palma en la parroquia San José del municipio Miranda, estado Zulia. Se identificaron cinco geoformas: planicie costera, playa (berma y superficie de playa), terraza, depresión y escarpe. Los procesos morfodinámicos relevantes corresponden a cárcavas y movimientos en masa. Se constató la existencia de eventos que favorecen la acumulación de sedimentos aportados por la acción del oleaje,...

  20. APORTE DEL SISTEMA FORMAL EN SEMILLAS MEJORADAS DE GRANOS BÁSICOS Y CEREALES A LA SEGURIDAD ALIMENTARIA DE LA PALMA, PINAR DEL RÍO

    OpenAIRE

    E. M. Ferro; Chirino, E.; Márquez,M; Ríos, H; Odile Rodríguez; R. J. Valdés; A. A. Sarmiento

    2009-01-01

    Se llevó a cabo una investigación en el municipio La Palma, Pinar del Río, con el objetivo de valorar el papel que ha jugado el sistema formal de producción y distribución de semillas mejoradas de granos principales: frijol (Phaseolus vulgaris, L.), maíz (Zea mays, L.) y arroz (Oryza sativus, L.), en apoyo a la seguridad alimentaria de este municipio. Para ello, se analizaron los registros históricos de la entrada de semillas de estos granos a través de la granja urbana durante los últimos si...

  1. Composición bromatológica de la carne de conejos suplementados con mataratón y cachaza de palma aceitera

    Directory of Open Access Journals (Sweden)

    Auristela Malavé A.

    2013-08-01

    Full Text Available Objetivo. Evaluar comparativamente el efecto de la suplementación del alimento balanceado comercial (ABC con follaje de mataratón (Gliricidia sepium y cachaza de palma aceitera (Elaeis guineensis en la composición bromatológica de la carne de conejo. Materiales y métodos. Las muestras de carne estudiadas en el presente trabajo, provienen de una investigación previa con un diseño experimental de bloques al azar con tres tratamientos (dietas y tres repeticiones (bloques con muestreo de tres réplicas por repetición, donde se utilizaron 27 conejos machos mestizos durante el período postdestete divididos en tres tratamientos: uno control (T0, alimentados sólo con ABC, y dos suplementados con mataratón y cachaza de palma aceitera en proporciones de 30 y 10% (T1, y 10 y 30% (T2, respectivamente, a manera de comparar el efecto de las dietas en el valor nutricional. Resultados. Las muestras de carne provenientes de los diferentes animales en tratamiento, se evaluaron encontrando que la suplementación no afectó significativamente la composición bromatológica (p>0.05 para el contenido de humedad (70.77 a 72.42%, proteínas (19.08 a 20.34%, cenizas (1.53 a 1.68% y lípidos (6.48 a 7.23%; indicando que indistintamente de la dieta empleada, suplementando el ABC con mataratón/fibra de palma o no, las carnes de conejo obtenidas son nutricionalmente idénticas como alimento. Conclusiones. Con base en los resultados, se sugiere que el follaje de mataratón y la fibra de palma aceitera podrían constituir una alternativa como recursos agronómicos tropicales en la producción de carne de conejo para el consumo humano.

  2. Avaliação do tratamento cirúrgico da doença de Dupuytren pela técnica da palma aberta modificada

    OpenAIRE

    2014-01-01

    Objetivo: avaliar o tratamento cirúrgico com o uso da técnica da palma aberta modificada para o tratamento das contraturas graves da doença de Dupuytren. Métodos: em quatro anos, foram submetidos ao tratamento cirúrgico 16 pacientes, que pertenciam aos estágios III e IV da classificação proposta por Tubiana et al. Foram feitas aferições do déficit de extensão das articulações metacarpofalangeanas e inferfalangeana proxima...

  3. OcorrÃncia e gÃnese de derrame alterado sob rocha sà no Planalto de Palmas (PR)/Ãgua Doce (SC)

    OpenAIRE

    Jacson Gosman Gomes de Lima

    2013-01-01

    Esta dissertaÃÃo de mestrado apresenta o mapeamento e caracterizaÃÃo de derrame alterado sob rocha sà no Planalto de Palmas (PR)/Ãgua Doce (SC). A metodologia de trabalho para atingir tal objetivo foi conduzida em duas linhas principais, uma visando mapear o derrame alterado sob rocha sà e outro visando caracteriza-lo, em ambas empregou-se tÃcnicas de campo e laboratÃrio. Em campo o derrame foi mapeado percorrendo-se as estradas da Ãrea de estudo, registrando sua localizaÃÃo em GPS e posterio...

  4. Alternativa de purificación de biodiésel obtenido por transesterificación de aceite de palma con metanol supercrítico

    OpenAIRE

    Garay Mayorga, Edgar Asdraldo

    2014-01-01

    En estudios recientes sobre la producción de biodiésel obtenido por transesterificación de aceite de palma con metanol, se han diseñado reactores que trabajan a condiciones supercríticas en ausencia de un catalizador, con resultados de conversiones superiores al 96%. Sin embargo, a la salida del reactor también hay glicerol (coproducto) y metanol (reactivo en exceso). Este proceso se lleva a cabo a condiciones de alta presión y alta temperatura, lo que se traduce en un proceso costoso de alto...

  5. Avaliação da qualidade do óleo de palma e frações (Elaeis guineenses) armazenados em diferentes condições de estocagem

    OpenAIRE

    Matos, Vanessa de Souza

    2015-01-01

    O óleo de palma bruto (OPB) ou azeite de dendê (Elaeis guineenses) apresenta composição equilibrada em ácidos graxos saturados e insaturados, o que permite fracionar o óleo em dois principais componentes: fração líquida, a oleína de palma e fração sólida, a estearina. A degradação do óleo de palma durante armazenamento pode ser provocada pela ação da luz natural ou artificial, hidrólise autocatalítica, umidade, temperatura, material utilizado nas embalagens, ar e por micro-orga...

  6. Rehabilitación de edificios bajo objetivos de reducción de impacto ambiental: un caso piloto de vivienda plurifamiliar en el área de Playa de Palma, Mallorca

    Directory of Open Access Journals (Sweden)

    Wadel, G.

    2011-10-01

    Full Text Available This article presents briefly the work Pilot study to reduce environmental impact: evaluation and assessment of a sustainable refurbishment of an existing residential building in Playa de Palma carried out by the Consortium of Palma Beach. It will be explained by how the environmental impacts of the building can be reduced by 50% or more as a result of future refurbishment and subsequent management, referring to both its current situation and refurbishment standards in residential buildings. It also includes an approximated evaluation of the CO2 emission reduction achieved in the building life cycle and the projected costs for the various actions of the refurbishment model proposed by the Consortium, to be carried out in other renovation operations in Palma Beach.

    Este artículo resume el estudio Experiencia piloto para la reducción del impacto ambiental: evaluación y asesoramiento a la rehabilitación sostenible de un edificio de viviendas existente en Playa de Palma realizado para el Consorci de Platja de Palma. Se explica a través de qué medidas es posible reducir en un 50% o más los impactos ambientales del edificio como producto de su futura rehabilitación y posterior gestión respecto tanto de su situación actual como de los estándares de rehabilitación al uso en edificios de vivienda. Asimismo, se incluye también una aproximación a las reducciones de emisiones de CO2 que se consiguen en el ciclo de vida del edificio y a los costes previstos para las distintas actuaciones del modelo de rehabilitación que el citado consorcio propone para las operaciones de rehabilitación a llevarse adelante en Playa de Palma.

  7. Consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma gigante (Opuntia ficus-indica Mill e palma orelha-de-elefante (Opuntia sp. = Intake and ingestive behavior of sheep and goats fed with cactus pear (Opuntia ficus-indica Mill and prickly pear (Opuntia sp.

    Directory of Open Access Journals (Sweden)

    Agenor Costa Ribeiro Neto

    2008-04-01

    Full Text Available O presente trabalho teve por objetivo avaliar o consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma Gigante (Opuntia ficus-indica Mill e palma Orelhade-elefante (Opuntia sp.. Foram utilizados 20 animais mestiços, sendo dez caprinos e dez ovinos, alojados em galpão coletivo, contidos individualmente por meio de cordas, distribuídos em delineamento inteiramente casualizado, em um arranjo fatorial 2 x 2 (duas espécies animais e duas variedades de palma. As observações comportamentais foram realizadas em intervalos de 5 min. por um período de 24h. Os consumos de matéria seca, extrato etéreo, fibra em detergenteácido, carboidratos totais e carboidratos não-fibrosos foram menores (p 0,05 sobre o tempo gasto comalimentação e eficiência de alimentação. O tempo gasto com ruminação foi maior para a dieta com palma Gigante, consequentemente os animais da dieta com palma Orelha-de-elefante permaneceram mais tempo em ócio. Comparando as espécies caprina e ovina, verificou-se que aeficiência de ruminação, tanto de MS quanto de FDN, foi maior para a espécie ovina. Os animais gastaram mais tempo ruminando deitados do que em pé, mas não foi verificada diferença quanto ao lado escolhido para deitarem.The objective of this study was to evaluate the intake and ingestive behavior of sheep and goats fed with cactus pear (Opuntia ficus-indica Mill and prickly pear (Opuntia sp.. Twenty crossbred animals – 10 sheep and 10 goats – were used. They were lodged in a collective shed, contained individually with ropes, distributed using a completely randomized design, and treated with a 2 x 2 factorial arrangement (2 animal species and 2 varieties of cactus. Behavioralobservations were made at five-minute intervals during a 24-hour period. Dry matter, ether extract, acid detergent fiber, total carbohydrate and non-fibrous carbohydrate intake were reduced (p 0.05 on feeding time and feeding efficiency. The time spent with

  8. La relación entre gobernanza y sustentabilidad en la sociedad cooperativa de producción pesquera La Palma, Reserva de la Biosfera La encricijada, Chiapas, México

    OpenAIRE

    Alfaro Martínez, Cynthia

    2016-01-01

    La gobernanza es uno de los elementos que ha estado presente en diversos estudios sobre el manejo y gestión de los recursos naturales en Áreas Naturales Protegidas a cuya ausencia se le puede atribuir el deterioro de los recursos y la lenta mejora socioeconómica o de desarrollo de las localidades asentadas en estas áreas. Esta es la base de la presente investigación llevada a cabo en la Sociedad Cooperativa de Producción Pesquera La Palma (SCPP La Palma), que forma parte de la Reserva de la B...

  9. Seleção de clones de palma forrageira resistentes à cochonilha-do-carmim (Dactylopius sp) Selection of prickly-pear clones resistant to carmine cochineal Dactylopius sp

    OpenAIRE

    2009-01-01

    Visando selecionar clones de palma forrageira resistentes à cochonilha-do-carmim, realizou-se um experimento em casa de vegetação no período de setembro de 2001 a janeiro de 2002. A partir de infestação artificial com a cochonilha, foram testados 20 clones de palma forrageira, em delineamento inteiramente casualizado, com quatro repetições. Foram observadas a fixação de colônias sobre os cladódios e a porcentagem de cladódios infestados, por meio de uma escala de notas variando de 0 a 5. Os c...

  10. Gestión de un sistema de control para la utilización del cuesco de la palma africana como parte de los aridos en la fabricación de hormigón compactado.

    OpenAIRE

    Vera Tapia, Mónica Patricia

    2016-01-01

    La Gestión de un Sistema de Control para la utilización del cuesco de la palma africana como parte de los áridos en la fabricación de hormigón compactado, pretende la definición de un modelo de gestión participativa que les permita a las empresas e instituciones involucradas en dicho sistema de control, gestionar de una forma organizada y controlada el problema ambiental que es generado por la carencia de sistemas de manejo de residuos como es el caso del cuesco de la palma africana, cuyo ...

  11. Características fisicoquímicas del aceite del endospermo de la Palma Yagua (Attalea cryptanther

    Directory of Open Access Journals (Sweden)

    Linares, Oscar

    2006-09-01

    Full Text Available In this research, the physicochemical characteristics of the yagua palm (Attalea cryptanther endospermus oil were evaluated. Seeds of mature fruits from Santa Ana hill, Canoabo, Bejuma municipality, Carabobo state-Venezuela, harvested in November 2003, were decorticated and the endospermus was transformed to meal by means of grinding. The oil from meal was extracted with n-hexane using Soxhlet equipment. Yagua endospermus crude oil showed the following characteristics: iodine index 13.77 cg I2/g; refraction index 1.4441 at 60 ºC; saponification value 233 mg KOH/g; peroxide value 0.20 meq O2/kg; unsaponifiable matter 0.97 %; AOM stability 31 h; solid fat content 54 % at 10 ºC and 10 % at 20 ºC; Lovibond color: R 3.2 and Y 1.3. The major fatty acids were lauric acid (58 % and miristic acid (16.5 %.Yagua endospermus is an alternative oleaginousEl objetivo de esta investigación fue caracterizar físicoquímicamente el aceite de la palma Yagua (Attalea cryptanther. El endospermo de frutos maduros procedentes del cerro Santa Ana, Canoabo, municipio Bejuma, estado Carabobo Venezuela, pertenecientes a la cosecha Noviembre 2003, fueron transformados en harina mediante molienda. Una vez obtenida la harina se procedió a la extracción del aceite mediante un equipo Soxhlet utilizando como solvente n-Hexano. El aceite crudo extraído fue caracterizado mediante normas COVENIN y AOCS. Se determinaron valores de índice de yodo de 13,77 cg I2/g, índice de refracción 1,4441 a 60 °C, índice de saponificación 233mg KOH/g, índice de peroxido 0,20 meq O2/Kg, materia insaponificable 0,97%, estabilidad AOM (31 horas, contenido de grasa sólida (54% a 10 °C y 10% a 20 °C, color (R: 3,2- A: 1,3-A: 0. Los ácidos grasos mayoritarios encontrados fueron el ácido laurico (58% y el ácido miristico (16,5%. El endospermo evaluado es una alternativa como materia prima para la obtención de aceite ya que presenta características similares al aceite de coco y

  12. Avaliação do tratamento cirúrgico da doença de Dupuytren pela técnica da palma aberta modificada

    Directory of Open Access Journals (Sweden)

    Thiago Almeida Guilhen

    2014-01-01

    Full Text Available Objetivo: avaliar o tratamento cirúrgico com o uso da técnica da palma aberta modificada para o tratamento das contraturas graves da doença de Dupuytren. Métodos: em quatro anos, foram submetidos ao tratamento cirúrgico 16 pacientes, que pertenciam aos estágios III e IV da classificação proposta por Tubiana et al. Foram feitas aferições do déficit de extensão das articulações metacarpofalangeanas e inferfalangeana proximal e distal nos períodos pré-operatório, pós-operatório (três meses e pós-operatório tardio (cinco a oito anos. Angulações maiores do que 30° nas articulações metacarpofalangeanas e 15° nas interfalangeanas proximais foram consideradas como recidiva cirúrgica. Resultados: obtivemos uma média de déficit de extensão de 6,3° ao nível da articulação metacarpofalangeana, 13,8° na interfalangeana proximal e 1,9° na interfalangeana distal. Conclusão: a técnica da palma aberta modificada é um método eficaz no tratamento cirúrgico das contraturas graves na doença de Dupuytren.

  13. APORTE DEL SISTEMA FORMAL EN SEMILLAS MEJORADAS DE GRANOS BÁSICOS Y CEREALES A LA SEGURIDAD ALIMENTARIA DE LA PALMA, PINAR DEL RÍO

    Directory of Open Access Journals (Sweden)

    E. M. Ferro

    2009-01-01

    Full Text Available Se llevó a cabo una investigación en el municipio La Palma, Pinar del Río, con el objetivo de valorar el papel que ha jugado el sistema formal de producción y distribución de semillas mejoradas de granos principales: frijol (Phaseolus vulgaris, L., maíz (Zea mays, L. y arroz (Oryza sativus, L., en apoyo a la seguridad alimentaria de este municipio. Para ello, se analizaron los registros históricos de la entrada de semillas de estos granos a través de la granja urbana durante los últimos siete años, referentes a variedades introducidas, precios y cantidades vendidas. Para el análisis de los datos, se plotearon gráficos de comportamiento tendencial y se realizaron análisis de correlación. Se encontró que la agricultura de los granos principales de La Palma se lleva a cabo en más de un 94.8 % con semillas de producción campesina y que el sistema formal de semillas ha tenido un aporte pobre a la seguridad alimentaria de este municipio, contribuyendo con un 4.08 % de semilla mejorada para el cultivo del maíz, 5.20 % al frijol y 0 % al arroz.

  14. Las catástrofes naturales y el desarrollo urbano: el aluvión de 1713 y su repercusión en Las Palmas

    Directory of Open Access Journals (Sweden)

    Pedro C. Quintana Andrés

    2013-11-01

    Full Text Available Las Palmas fue una ciudad sacudida periódicamente por una serie de catástrofes naturales quc generaron gran incertidumbre, elevados gastos económicos e, incluso, muertes en el seno de una sustancial parte de su población. La mayoría de estos episodios estuvieron relacionados con las reiteradas avenidas del barranco Guiniguada, cuyo cauce dividía a la urbe en dos partes, siendo la registrada en 1713 una de las principales por la dimensión del desastre y la demostración de la proverbial incapacidad de las autoridades para afrontar el problema, el cual no tuvo una solución parcial hasta los inicios del siglo XIX.Las Palmas was a city periodically shaken by a series  of natural catastrophes that generated great uncertainty, high economical expenses and deads in the bossom of a great part of popuiation. Most of these episodes were related with the repeated flood of the Guiniguada ravine, which riverbanks divided the city in two parts and being that recorded in 1713 one of the most important due to the dimensions of the disaster and demonstration of the proverbial incompetence of the authorities to face the problem, which did not have a partial solution until the beginning of XIX century.

  15. USO DE WINRHIZO® EN LA CUANTIFICACIÓN DE LAS RAÍCES Y SU APLICACIÓN EN LA PALMA ACEITERA (Elaeis guineensis JACQ.

    Directory of Open Access Journals (Sweden)

    Marco V. Guti\\u00E9rrez-Soto

    2014-01-01

    Full Text Available El objetivo de esta nota técnica es introducir el uso de WinRhizo ® para el análisis cuantitativo de muestras del sistema radical de los cultivos en general y de la palma aceitera en particular. Se mencionan las características mor - fológicas, topológicas y funcionales de las raíces de impor - tancia agronómica, y la contribución del análisis cuantitativo realizado por paquetes informáticos especializados como WinRhizo ® . La información sobre la topología, la morfolo - gía, el diámetro, las ramificaciones y el color de las raíces, entre otras variables cuantificadas por WinRhizo ® , es una importante herramienta para el diagnóstico, la prevención y el tratamiento del estrés, y en la evaluación de numerosas prácticas agronómicas como la aplicación de fertilizantes, enmiendas, compostas y coberturas de diversos tipos. Se revisa el procedimiento para el procesamiento de raíces y se indican los ajustes necesarios para la cuantificación de las raíces de la palma aceitera.

  16. Proceedings of the International Association for Development of the Information Society (IADIS) International Conference on e-Learning (Las Palmas de Gran Canaria, Spain, July 21-24, 2015)

    Science.gov (United States)

    Nunes, Miguel Baptista, Ed.; McPherson, Maggie, Ed.

    2015-01-01

    These proceedings contain the papers of the International Conference e-Learning 2015, which was organised by the International Association for Development of the Information and Society and is part of the Multi Conference on Computer Science and Information Systems (Las Palmas de Gran Canaria, Spain, July 21-24, 2015). The e-Learning 2015…

  17. Adição de óleo de palma na dieta sobre a lipidemia e a qualidade do sêmen de bubalinos (Bubalus bubalis

    Directory of Open Access Journals (Sweden)

    G.R. Silva

    2014-02-01

    Full Text Available O estudo visou investigar o efeito da suplementação dietética com óleo de palma sobre o perfil sérico lipídico e as características seminais de touros bubalinos (Bubalus bubalis, bem como suas correlações. Doze touros foram alocados no Grupo CONT (n=5 ou Grupo ÓLEO (n=7 e receberam alimentação isoproteica composta por silagem de milho e concentrado (milho triturado, farelo de trigo e ureia, com proporção volumoso/concentrado de 50%, durante 130 dias (Períodos 1 e 2. Diferencialmente, óleo de palma foi adicionado ao concentrado (2% MS do Grupo ÓLEO. Sêmen e sangue foram colhidos quinzenalmente. Houve aumento nas concentrações séricas de colesterol, HDL e lipídios totais nos animais do Grupo ÓLEO, enquanto o período influenciou nas taxas de colesterol, LDL, lipídios totais e VLDL (P<0,05. Houve decréscimo no turbilhonamento e discreta redução na integridade de membranas nos animais do Grupo ÓLEO (P<0,05. Correlações significativas foram encontradas entre triglicerídeos e defeitos menores (r=-0,412; P=0,006, LDL e defeitos totais (r=-0,333; P=0,030, lipídios totais e defeitos menores (r=-0.366; P= 0,017, lipídios totais e defeitos totais (r=-0.309; P= 0,046, e VLDL e viabilidade espermática (r=0,381; P=0,012, apontando efeitos positivos da maior lipidemia na morfologia e na viabilidade espermática. O uso de óleo de palma alterou o perfil lipídico sérico, mas não favoreceu per se os parâmetros seminais relacionados com o potencial de fertilidade dos touros.

  18. Palm tree syrup: nutritional composition of a natural edulcorant Miel de palma: composición nutricional de un edulcorante natural

    Directory of Open Access Journals (Sweden)

    G. Luis

    2012-04-01

    Full Text Available Introduction: Palm syrup is a typical product from the Canary Islands, traditionally produced from the sap of the tropical palm tree Phoenix canariensis. Its high caloric content has led to its increasing use as a health food supplement for athletes, children and elderly. Furthermore, demand for this natural syrup is continuously increasing due also to its medicinal uses in homeopathic medicine. Objective: Palm Tree syrup samples prepared with palm sap from primary producers in La Gomera island (Canary Islands, Spain were analyzed for their nutritional composition (moisture, ash, sugars, fat, vitamins and minerals. Methods: 35 syrup samples from five different producing regions in La Gomera island were analyzed. High-performance liquid chromatography (HPLC was used to determine sugars and vitamins and Flame Atomic Absorption Spectrophotometry (FAAS was used to analyze the minerals. Results: Major carbohydrates were sucrose (37.8%, glucose (9.50% and fructose (4.80%, respectively. The presence of arabinose could not be confirmed. Niacin was the water-soluble vitamin with the highest concentration with an average content of 0.003%. Fat content was found to be under 0.20%. Potassium was the mineral with highest contents (0.45%. Conclusions: Results suggest that palm tree syrup can play an important role as a sugar and mineral source in human nutrition, suggesting that future applications for this product could be developed.Introducción: La miel de palma es un producto típico de las Islas Canarias, tradicionalmente producido a partir de la savia de la palmera Phoenix canariensis. El alto contenido calórico lo convierte en un producto cada vez más utilizado como suplemento alimenticio para atletas, niños y mayores. Además, la demanda de este sirope natural, está en constante crecimiento debido también a sus usos medicinales en la medicina homeopática. Objetivo: Analizar la composición nutricional (humedad, cenizas, azúcares, grasa

  19. Spatial and temporal characterization of some water quality physical parameters and their relationships with land-use in Água Fria watershed (Palmas – TO, Brazil

    Directory of Open Access Journals (Sweden)

    Harry Edmar Schulz

    2007-06-01

    Full Text Available Due to a high population growth that has been occurring in Palmas and due to land use changes that are caused by this population growth and development, the goal of this paper was to study the behavior of four physical parameters of water quality of the Água Fria watershed. The parameters were turbidity, total suspended solids, settleable solids and total dissolved solids. Eight gauging stations were established and the water samples were monthly collected from February/1998 to February/1999. The water bodies of the watershed were generally in good condition concerning these four parameters. However, there were some cases of seasonal irregularity of some parameters, as well as no correlation among some of studied parameters. This might be an indicator of some impacts like accelerated erosion due to a misuse of the lands and misuse of local water resources.

  20. Proyecto de cultivo y producción de palma africana en la provincia de los ríos, Ecuador

    OpenAIRE

    2009-01-01

    El proyecta se enfoca en el cultivo de 1000 hectáreas de Palma Africana en la zona de Los Ríos, específicamente en el cantón Pueblo Viejo. El Cultivo se ejecuta en dos etapas: al primer año y la segunda al sexto año, en lotes de 500 hectáreas. Además se ofrece como alternativa de inversión de bajo riesgo a largo plazo Una de las características enfáticas del proyecto es que se desarrolla en un área de la provincia que fue abandonada hace más de 5 años por diversos factores, entre ellos: l...

  1. Aspectos operacionais da etanólise enzimática do óleo de palma em reator de leito fixo

    OpenAIRE

    Henriques, Rosana Oliveira

    2012-01-01

    Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Química O presente trabalho analisa o processo de produção de biodiesel etanólico de óleo de palma em reator de leito fixo, operando em modo contínuo. Para tal, foram realizados ensaios em um reator de vidro com diâmetro interno de 1,56 cm, comprimento de 10,5 cm e volume total de 20 mL. O leito foi empacotado com aproximadamente 4,5 g da lipase de Candida antartica,...

  2. Refinação de óleos vegetais e fracionamento contínuo de óleo de Palma

    OpenAIRE

    Mota, Daniel Santos

    2016-01-01

    Este relatório enquadra-se na unidade de formação de estágio profissionalizante, do Mestrado em Engenharia Alimentar da Escola Superior Agrária de Coimbra e traduz algumas partes do trabalho realizado ao longo de 6 meses de estágio, na empresa Rogério Leal. O estágio consistiu na observação, e posterior participação, dos métodos de refinação, hidrogenação, interestereficação e fracionamento do óleo de palma. Neste relatório descreve-se o método de refinação físico e hidrogenação do óleo...

  3. COYUNTURA ECONÓMICA Y CAMBIO EN LOS USOS DEL SUELO EN LA ISLA DE LA PALMA (CANARIAS, EL EJEMPLO DEL MUNICIPIO DE TAZACORTE

    Directory of Open Access Journals (Sweden)

    Carlos S. Martín Fernández

    2011-01-01

    Full Text Available El sector terciario y, en concreto, el turismo ha constituido el eje estructurador de la economía canaria en las últimas décadas. Un proceso que, en competencia con la agricultura, no se ha manifestado de igual forma en todas las islas. En esta línea, presentamos lo acontecido en la isla de La Palma, donde una rentable agricultura comercial, y por tanto un escaso interés de los propietarios por el cambio sectorial, ralentizó la penetración del fenómeno turístico. Para explicar este fenómeno, utilizamos el ejemplo del municipio de Tazacorte, uno de los emblemáticos enclaves plataneros insulares y, a la vez, uno de los más activos en el reciente cambio de funcionalización territorial.

  4. Avaliação do tratamento cirúrgico da doença de Dupuytren pela técnica da palma aberta modificada

    OpenAIRE

    2014-01-01

    Objetivo: avaliar o tratamento cirúrgico com o uso da técnica da palma aberta modificada para o tratamento das contraturas graves da doença de Dupuytren. Métodos: em quatro anos, foram submetidos ao tratamento cirúrgico 16 pacientes, que pertenciam aos estágios III e IV da classificação proposta por Tubiana et al. Foram feitas aferições do déficit de extensão das articulações metacarpofalangeanas e inferfalangeana proximal e distal nos períodos pré-operatório, pós-operatório (três meses) e ...

  5. Testing the Palma-Clary Reduced Dimensionality Model Using Classical Mechanics on the CH4 + H → CH3 + H2 Reaction.

    Science.gov (United States)

    Vikár, Anna; Nagy, Tibor; Lendvay, György

    2016-07-14

    Application of exact quantum scattering methods in theoretical reaction dynamics of bimolecular reactions is limited by the complexity of the equations of nuclear motion to be solved. Simplification is often achieved by reducing the number of degrees of freedom to be explicitly handled by freezing the less important spectator modes. The reaction cross sections obtained in reduced-dimensionality (RD) quantum scattering methods can be used in the calculation of rate coefficients, but their physical meaning is limited. The accurate test of the performance of a reduced-dimensionality method would be a comparison of the RD cross sections with those obtained in accurate full-dimensional (FD) calculations, which is not feasible because of the lack of complete full-dimensional results. However, classical mechanics allows one to perform reaction dynamics calculations using both the RD and the FD model. In this paper, an RD versus FD comparison is made for the 8-dimensional Palma-Clary model on the example of four isotopologs of the CH4 + H → CH3 + H2 reaction, which has 12 internal dimensions. In the Palma-Clary model, the only restriction is that the methyl group is confined to maintain C3v symmetry. Both RD and FD opacity and excitation functions as well as differential cross sections were calculated using the quasiclassical trajectory method. The initial reactant separation has been handled according to our one-period averaging method [ Nagy et al. J. Chem. Phys. 2016, 144, 014104 ]. The RD and FD excitation functions were found to be close to each other for some isotopologs, but in general, the RD reactivity parameters are lower than the FD reactivity parameters beyond statistical error, and for one of the isotopologs, the deviation is significant. This indicates that the goodness of RD cross sections cannot be taken for granted.

  6. La cerámica romana de paredes finas del Santuario de So n'Oms, Palma de Mallorca. Nuevas producciones de Mallorca e Ibiza

    Directory of Open Access Journals (Sweden)

    López Mullor, Alberto

    2001-12-01

    Full Text Available Inside the talayotic complex known as So n'Oms, in the municipal area of Palma (Mallorca, Balearic Islands, there is a sanctuary excavated in the sixties which produced an ample series of thin walled pottery that were dedicated as offerings to the gods. All the material found can be dated between 20-10 a.C.-. and 50 d.C. It is so well preserved that it has been possible to recognise and determine decoration and paste and, therefore, to reach to the conclusion that most of them belongs to production centers situated in Mallorca and Ibiza (from this last almost the 70%. There are, also, italic and betican productions.Dentro del conjunto talayótico conocido como So n'Oms, situado en el término municipal de Palma (Mallorca, islas Baleares, existe un santuario excavado en la década de los sesenta, que proporcionó un extenso lote de cerámica de paredes finas, depositadas allí como ofrenda. Los materiales pueden situarse entre los años 20/10 a.C. y 50 de nuestra era. Destaca su buen estado de conservación, que ha permitido un reconocimiento minucioso de pastas y decoraciones, habiéndose podido atribuir una gran parte de las piezas a centros productores de Mallorca y sobre todo —más del 70 %— de Ibiza. También se han localizado vasos héticos e itálicos.

  7. Tierra, palma africana y conflicto armado en el Bajo Atrato chocoano, Colombia. Una lectura desde el cambio en los órdenes de extracción

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    Paola García Reyes

    2014-01-01

    Full Text Available Desde la década de 1990 la región del Pacífico colombiano vive un proceso inédito de agudización del conflicto armado interno. Algunos estudios han descrito este hecho como una consecuencia no intencionada del reconocimiento de las poblaciones negras de la región como grupos étnicos propietarios de los territorios en los que habitan. En este artículo me pregunto de qué forma resultaron modificadas las dinámicas de conflicto en la subregión del Bajo Atrato chocoano (1985-2005 en Colombia, si esto se vincula con la explotación de sus recursos naturales, en particular la palma de aceite y cuál fue el papel que jugó en estas dinámicas el cambio en el régimen de propiedad de la tierra. Para responder a estas preguntas me baso en los estudios sobre la economía política de los conflictos armados e introduzco el concepto de órdenes de extracción con el fin de analizar las acciones de los actores del conflicto, los empresarios de la palma, el Estado como agente regulador y las poblaciones negras. Mi conclusión principal es que el cambio en la estructura de propiedad de la tierra no fue causa del conflicto y que el tipo de actor involucrado es una variable relevante.

  8. Utilização de Três Fontes de Nitrogênio Associadas à Palma Forrageira (Opuntia ficus-indica, Mill. Cv. Gigante na Suplementação de Vacas Leiteiras Mantidas em Pasto Diferido

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    Albuquerque Samuel Salgado Cavalcanti de

    2002-01-01

    Full Text Available O fornecimento da palma forrageira como único alimento não atende as necessidades nutricionais do rebanho, notadamente em proteína e fibra. Nesta pesquisa avaliaram-se fontes de suplementação protéica sobre o desempenho de vacas leiteiras alimentadas com palma e pasto diferido, durante a estação seca, bem como a composição botânica da pastagem. Testaram-se três tratamentos: T1 = pasto diferido (PD + palma + cama de aviário; T2 = PD + palma + farelo de soja e T3 = PD + palma + uréia/sulfato de amônio, em um delineamento de blocos casualizados. Utilizaram-se 12 vacas mestiças 5/8 Holando-Zebu, com produção média de leite de 5,6 kg/dia/vaca e peso vivo (PV médio de 452 kg. O experimento teve duração de 121 dias, sendo 21 dias de período de adaptação. Os resultados para produção de leite in natura (3,38, 5,33 e 3,38 kg/vaca/dia, produção de leite corrigido para 4% de gordura (3,15, 4,98 e 3,11 kg/vaca/dia, variação de peso vivo (-351, 77 e -401 g/vaca/dia e consumo in natura de palma (26,3, 37,8 e 26,3 kg/vaca/dia, para T1, T2 e T3, respectivamente, demonstraram a superioridade do farelo de soja como fonte protéica, em relação aos demais tratamentos. No pasto diferido foram identificados 18 famílias, 32 gêneros e 36 espécies. O capim-milhã (Brachiaria plantaginea (Link Hitch foi o componente de maior participação na composição botânica da pastagem (28,72%.

  9. Substituição do milho por palma forrageira em dietas completas para vacas em lactação Replacement of corn by forage cactus in the total mixed rations for crossbreed lactating cows

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    Paulo Renato Barros Araújo

    2004-12-01

    Full Text Available Objetivou-se, com este experimento, avaliar o efeito da substituição do milho por palma forrageira sobre o desempenho de vacas mestiças em lactação e a digestibilidade dos nutrientes. Foram utilizadas oito vacas mestiças (5/8 HZ, distribuídas em dois quadrados latinos 4 x 4 em esquema fatorial 2 x 2 (duas cultivares de palma forrageira, com ou sem milho. Não houve interação entre palma e milho e o efeito dos dois alimentos foi analisado de forma isolada. Os consumos de matéria seca, de fibra em detergente ácido, dematéria orgânica, de proteína bruta, de extrato etéreo e de carboidratos totais não foram influenciados pelas cultivares de palma utilizadas. Animais que receberam palma gigante nas dietas apresentaram maior consumo de fibra em detergente neutro. As dietas com milho proporcionaram maior consumo de matéria seca (kg/dia e % de PV. O consumo de NDT, os coeficientes de digestibilidade de todos os nutrientes, a produção de leite corrigida, o teor de gordura e a eficiência alimentar não foram influenciados pelas cultivares de palma forrageira ou pela inclusão milho.The experiment was conduced to evaluate the effects of corn replacement for forage cactus on the performance of crossbreed lactating cows and nutrient digestibility. Eight cows were assigned a two latin square design in a factorial 2 x 2 arrangement (two forage cactus cultivars, with or without corn.There was not interaction between forage cactus and corn and the effect of both were analyzed in an isolated way. The intake of dry matter, organic matter, acid detergent fiber, crude protein, ether extract and total carbohydrates were not affected by the forage cactus. Animals that received giant cultivar presented larger neutral detergent fiber intake. The diets with corn presented larger dry matter intake (kg/day and % of LW. The intake of TDN, the coefficients of digestibility of all nutrients, the fat corrected milk production, fat content and kg of milk

  10. Balanço hídrico e excreção renal de metabólitos em ovinos alimentados com palma forrageira (Nopalea cochenillifera Salm Dyck

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    João P. Neto

    2016-04-01

    Full Text Available Resumo Objetivou-se avaliar balanço hídrico e excreção renal de metabólitos em borregos sem raça definida, alimentados com diferentes quantidades de palma forrageira (Nopalea cochenillifera Salm Dyck, na forma in natura e em farelo. Foram utilizados 20 borregos, com peso vivo médio inicial de 20 Kg e foram distribuídos no delineamento inteiramente casualizado, sendo cinco tratamentos e quatro repetições. As dietas experimentais consistiram em uma dieta controle à base de feno de tífton, farelo de soja, suplemento mineral e calcário, os demais tratamentos visaram testar níveis diferentes de palma forrageira corrigida com ureia em duas formas: in natura e farelada e em dois níveis de substituição (50 e 100% da matéria seca do feno de tífton. Amostras de sangue e urina foram coletadas para determinação de diferentes metabólitos e minerais e utilização de equações para obtenção dos índices de excreção urinária destes metabólitos, taxa de depuração endógena de creatinina e reabsorção de água livre de eletrólitos, além do registro de ingestão de água e volume de urina. A ingestão voluntária de água sofreu influência das dietas, sendo que os animais submetidos às dietas contendo farelo de palma e feno e farelo de palma foram superiores aos demais tratamentos. A ingestão de água via alimentos também sofreu influência da dieta, sendo maior nos animais que receberam palma in natura e farelo mais palma in natura. Com relação à ingestão total de água foi maior para os animais alimentados com dietas contendo palma in natura em relação aos demais tratamentos. As dietas experimentais influenciaram na excreção renal de metabólitos derivados purínicos e minerais, sem alterar a função renal. A presença da palma forrageira tanto na condição de farelo como in natura proporciona aumento do volume urinário sem alterar a função renal, além de que deve ser considerado como uma excelente estrat

  11. El componente sistemático de la variabilidad de algunos parámetros de producción en palma africana adulta (Elaeis guineensis, Jacq en Casanare.

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    Acevedo A. Néstor

    2001-09-01

    Full Text Available Mediante análisis de tendencia y geoestadísticos fue evaluado el componente determinístico de la variabilidad del peso de racimos de fruta fresca (PR, de la tasa de extracción de aceite (TEA y de la cantidad de ácidos grasos libres (AGL, en palmas con diferente grado de recuperación de PC en un cultivo ubicado en la región del Bajo Upía, Casanare. Los análisis no detectaron ninguna variabilidad estructural en las propiedades evaluadas por lo que se concluye que las diferencias significativas encontradas por Acevedo (2000 entre ellas, mediante análisis de varianza, si están controladas por el grado de recuperación que muestran las palmas, después de haber sido atacadas por PC.

  12. Control Químico de la Mosca de los Establos, Stomoxys Calcitrans (L y Otros Insectos Asociados con Estipes de Palma Africana en Descomposición

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    Ureta Sandino Eduardo

    1972-12-01

    Full Text Available En ensayos para determinar el efecto del diazinon 1% I.A. (ingrediente activo; bromophos 1 % I.A.; dieldrin 0.5% I.A., 2% I.A. y methomyl 0.1 % I.A. sobre larvas de Stomoxys calcilrans y otros insectos asociados con tipes de palma africana (Elaeis guineensis en descomposición, se encontró que los tratamientos con diazinon 1% I.A. y bromophos 1% I.A. fueron los más efectivos para impedir la proliferación en éstos de las larvas de Slomoxys calcilralls. Ambos insecticidas protegieron eficientemente los estipes por lo menos durante dos semanas. El dieldrin al 0.5% I. A. y 2% I. A., aunque inferior al bromophos 1% I.A. y al diazinon 1% I.A. también fue efectivo para impedir la proliferación de larvas de la mosca en los troncos de palma africana en descomposición. El tratamiento con methomyl 0.1 % I. A. al parecer no impidió la multiplicación de las larvas en los estipes, según pudo observarse en muestras tomadas a las dos semanas de haber sido aplicado el producto. El diazinon 1% I.A: bromophos 1 % I.A.; dieldrin 0.5% I.A. y 2% I.A., aparentemente fueron eficaces para controlar los adultos de Limnobaris calandriformis y Metamasius hemipterus, los cuales eran atraídos en grandes cantidades a los trozos de tallo de palma recién rajada, así como también impidieron la proliferación en éstos de las larvas de los dípteros Ormidea obesa y Hermelia sp./Abstract Several tests were carried out to determine the effectiveness of diazinon 1% I.A., bromophos 1% I.A., dieldrin 0.5 and 2% I.A., and methomyl 0.1 % on larvae of the stable fly, Stomoxys calcitrans, and other insects associated with dead trunks of the oil palm (Elaeis guineesis.The results showed by the author indicate that diazinon and bromophos were the most effective materials tested. Both insecticides protected well the dead trunks for at least two weeks. Dieldrin (both doses although less efficient than diazinon, was also effective in preventing the development of great numbers of

  13. Effects of palma reflexology massage and music therapy on cancer pain management%足底按摩加音乐疗法对癌痛干预的研究

    Institute of Scientific and Technical Information of China (English)

    曹娟妹; 田利; 黄丽艳; 周群英; 李惠玲

    2011-01-01

    目的 应用足底反射区按摩、音乐疗法缓解癌症患者的疼痛,提高其生活质量.方法 将60例癌痛患者随机分为实验组和对照组各30例,分别采用足底反射区按摩加音乐疗法和单纯的足底反射区按摩进行干预治疗,观察比较两组患者的干预效果.结果 两组患者的疼痛情况均有不同程度的缓解,但两组患者的疼痛缓解情况无统计学差异(P>0.05).结论 足底反射区按摩对癌痛具有一定的缓解作用,音乐疗法在癌症患者疼痛干预中效果甚微,音乐疗法在癌痛干预中的应用还有待于进一步的研究.%Objective To investigate the therapeutic effect of palma reflexology massage and music therapy on the treatment of cancer pain and improvement of the life quality. Methods Sixty patients admitted were randomly divided into 2 groups: group Ⅰ palma reflexology massage plus music therapy; group Ⅱ palma reflexology massage. Results Pain alleviation was observed in both groups. However, the curative effects didn't show significant difference between this two groups ( P >0.05). Conclusion Palma reflexology massage proves to be an effective strategy against cancer pain. While the abirritation of music therapy was indeterminate. The application of music therapy in cancer pain treatment still needs more investigation.

  14. Substituição do milho por farelo de palma forrageira em dietas de ovinos em crescimento: desempenho Replacement of corn by forage cactus meal in growing lambs diets: performance

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    Robson Magno Liberal Véras

    2005-02-01

    Full Text Available Objetivou-se, com este trabalho, avaliar quatro níveis de substituição do milho (0; 33; 67 e 100% pelo farelo de palma forrageira sobre o desempenho de ovinos em crescimento terminados em confinamento. Vinte carneiros mestiços Santa Inês foram distribuídos em delineamento em blocos ao acaso, com quatro tratamentos (níveis de substituição do milho pelo farelo de palma e cinco repetições. Além do milho e/ou farelo de palma, os animais receberam feno de Tifton (Cynodon dactylon, como volumoso, farelo de soja, calcário e sal mineral. O ganho de peso e a conversão alimentar diminuíram, enquanto os consumos de FDN e de FDA aumentaram linearmente com a substituição. Os consumos de matéria seca, de proteína bruta, de matéria orgânica e de carboidratos totais e o rendimento de carcaça não foram influenciados pela substituição do milho pelo farelo de palma.The objective of this work was to evaluate four corn replacement levels (0, 33, 67 and 100% by forage cactus meal on performance of feedlot growing lambs. Twenty crossbred lambs were allotted to a completely randomized block design with four treatments (replacement of corn by forage cactus meal and five replications. Besides corn and/or forage cactus meal, the animals were fed Tifton hay (Cynodon dactylon, as forage, soybean meal, limestone and mineral salt. Weight gain and feed:gain ratio decreased and intakes of NDF and ADF increased linearly with corn replacement. The intakes of dry matter, crude protein, organic matter and total carbohydrates and carcass yield were not affected by replacement of corn by forage cactus meal.

  15. ESPACIOS TURÍSTICOS, ORDENACIÓN DEL TERRITORIO Y ACTITUDES POLÍTICAS, EL CASO DEL COMPLEJO HOTELERO CERCA VIEJA EN FUENCALIENTE DE LA PALMA (ISLAS CANARIAS. ESPAÑA

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    Carlos Santiago Martín Fernández

    2011-01-01

    Full Text Available El presente artículo describe los nexos o relaciones existentes entre tres aspectos de gran actualidad: el desarrollo inmobiliario-turístico, la ordenación del territorio y las estrategias políticas. Para ello, estudiamos un caso emblemático en Canarias: el proceso de construcción del Resort Cerca Vieja en Fuencaliente, isla de La Palma.

  16. Perfil metabólico de ovinos em crescimento alimentados com dietas constituídas de feno ou silagem de maniçoba e palma forrageira

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    Luciana N.F. de Gouveia

    2015-12-01

    Full Text Available Resumo: Objetivando-se avaliar o efeito da adição de palma forrageira associado à maniçoba na dieta de ovinos sobre o perfil de indicadores bioquímicos do metabolismo energético e proteico, foi realizado um delineamento em blocos casualizados onde foram utilizados 24 ovinos machos, sem padrão racial definido, com peso corporal médio de 19,77±1,95 kg e idade média de seis meses, divididos igualmente em três tratamentos: concentrado + feno Tifton 85, concentrado + feno de maniçoba e concentrado + silagem de maniçoba, e semelhantes partes de palma forrageira. Realizaram-se quatro coletas de sangue, que constituíram as repetições, com intervalos de 15 dias (0d, 15d, 3d0 e 45d. Em seguida, procederam-se as análises dos seguintes indicadores bioquímicos: creatinina sérica, ureia, proteína total, albumina, globulina, glicose, frutosamina, aspartato aminotransferase, fosfatase alcalina, gama glutamiltransferase, sódio, potássio, cloro, cálcio e fósforo. Maior consumo de matéria seca foi observado no grupo com feno de maniçoba. O tratamento com silagem de maniçoba apresentou diferença (P<0,05 no consumo de fibra em detergente neutro. Houve variações significativas na concentração de ureia nos animais que receberam a dieta composta de feno de maniçoba. Tanto o feno como a silagem de maniçoba, em até 30%, pode substituir o feno de Tifton 85 na alimentação de ovinos em terminação, mantendo efetivamente o consumo de matéria seca, rendimento de carcaça, os metabolismos proteico, energético e mineral, além de ser uma boa alternativa para a alimentação de ovinos.

  17. A molecular phylogenetic study of the Palmae (Arecaceae) based on atpB, rbcL, and 18S nrDNA sequences.

    Science.gov (United States)

    Hahn, William J

    2002-02-01

    Notoriously slow rates of molecular evolution and convergent evolution among some morphological characters have limited phylogenetic resolution for the palm family (Arecaceae). This study adds nuclear DNA (18S SSU rRNA) and chloroplast DNA (cpDNA; atpB and rbcL) sequence data for 65 genera of palms and characterizes molecular variation for each molecule. Phylogenetic relationships were estimated with maximum likelihood and maximum parsimony techniques for the new data and for previously published molecular data for 45 palm genera. Maximum parsimony analysis was also used to compare molecular and morphological data for 33 palm genera. Incongruence among datasets was detected between cpDNA and 18S data and between molecular and morphological data. Most conflict between nuclear and cpDNA data was associated with the genus Nypa. Several taxa showed relatively long branches with 18S data, but phylogenetic resolution of these taxa was essentially the same for 18S and cpDNA data. Base composition bias for 18S that contributed to erroneous phylogenetic resolution in other taxa did not seem to be present in Palmae. Morphological data were incongruent with all molecular data due to apparent morphological homoplasy for Caryoteae, Ceroxyloideae, Iriarteae, and Thrinacinae. Both cpDNA and nuclear 18S data firmly resolved Caryoteae with Borasseae of Coryphoideae, suggesting that at least some morphological characters used to place Caryoteae in Arecoideae are homoplastic. In this study, increased character sampling seems to be more important than increased taxon sampling; a comparison of the full (65-taxon) and reduced (45- and 33-taxon) datasets suggests little difference in core topology but considerably more nodal support with the increased character sample sizes. These results indicate a general trend toward a stable estimate of phylogenetic relationships for the Palmae. Although the 33-taxon topologies are even better resolved, they lack several critical taxa and are

  18. Flutuação Populacional de Rhynchophorus palmarum L. (Coleoptera: Curculionidae em Plantios de Palma de Óleo em Roraima

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    2015-08-01

    Full Text Available Esta pesquisa teve como objetivo avaliar a flutuação populacional de Rhynchophorus palmarum L. (Coleoptera: Curculionidae em plantios de Elaeis guineensis Jacq, em ecossistemas de savana e floresta no estado de Roraima. A pesquisa foi desenvolvida durante o período de janeiro de 2011 a fevereiro de 2012 nos campos experimentais da Embrapa Roraima: Monte Cristo e Caroebe, numa área de 2 hectares com a cultura da Palma de Óleo, em cada campo. Foram distribuídas armadilhas iscadas com roletes de cana-de-açúcar e feromônio de agregação para captura dos insetos no entorno dos plantios. Ocorreu flutuação de R. palmarum com picos populacionais nos meses de julho e agosto no ecossistema de savana e de abril a setembro no ambiente de floresta. A população de R. palmarum foi menor em meses de baixa precipitação pluviométrica nos dois ambientes avaliados com a Palma de Óleo em Roraima Population Fluctuation of Rhynchophorus palmarum L. (Coleoptera: Curculionidae in Plantations of Oil Palm in Roraima Abstract. This research aimed to evaluate the population fluctuation Rhynchophorus palmarum L. (Coleoptera: Curculionidae in Elaeis guineensis Jacq plantations in forest and savanna ecosystems in the state of Roraima. The research was conducted during the period from January 2011 to February 2012 in the experimental field of Embrapa Roraima: Monte Cristo and Caroebe in an area of 2 hectares with culture Oil Palm in each field. Traps baited with rollers cane sugar and aggregation pheromone for capturing insects in the vicinity of the plantations were distributed. Fluctuation occurred R. palmarum with population peaks in the months of July and August in the savanna ecosystem and from April to September in the forest environment. The population of R. palmarum was lower in months of low rainfall in the two environments assessed with a palm-oil-in Roraima.

  19. EFECTO DE ASPERSIONES FOLIARES CON UNA MEZCLA DE OLIGOGALACTURÓNIDOS EN EL CRECIMIENTO DE PLANTAS DE PALMA ARECA (Dypsis lutescens H. Wendel

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    Bárbara Benítez

    2006-01-01

    Full Text Available Chrysalidocarpus lutescens, recientemente denominada Dypsis lutescens, es una de las plantas más usadas a nivel mundial en paisajismo y está catalogada como una de las más populares plantas del interior de edificios en el mundo; la Golden Cane o Areca Palm apenas necesita una introducción. El Pectimorf es un bioestimulante vegetal obtenido en el Departamento de Fisiología y Bioquímica Vegetal del INCA, a partir de la degradación enzimática del ácido péctico de la corteza de los frutos cítricos. Debido a la corta viabilidad que presentan las semillas de estas plantas, son sembradas todas al unísono, alcanzando su estado óptimo para la comercialización al mismo tiempo, por lo que el objetivo de nuestro trabajo estuvo encaminado a evaluar el efecto del Pectimorf en el crecimiento de plantas de palma areca (Dypsis lutescens. El experimento se realizó en áreas del INCA, en el que se realizaron aspersiones foliares de Pectimorf (1, 5 y 10 mg.L-1 y un tratamiento control. Las aspersiones se realizaron en tres momentos: tres, tres y seis meses, y tres y nueve meses, y las evaluaciones se hicieron en tres momentos del ciclo del cultivo: seis, nueve y 12 meses después de emergidas las plantas. Las variables del crecimiento evaluadas fueron: altura de las plantas, diámetro (ø del tallo, número de hojas, longitud de las raíces, y masa seca de parte aérea y raíces. Los resultados mostraron la potencialidad del Pectimorf como estimulador del crecimiento de las plantas de palma areca, obteniéndose que cuando estas fueron asperjadas a los tres y seis meses, con concentraciones de 1 mg.L-1, se incrementaron significativamente las variables de crecimiento relacionadas con la parte aérea de las plantas, en comparación con el tratamiento control, favoreciendo las propiedades ornamentales de esta especie.

  20. Desempenho de diferentes lipases imobilizadas na síntese de biodiesel de óleo de palma - doi: 10.4025/actascitechnol.v33i2.7594

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    Grazielle dos Santos Silva

    2011-04-01

    Full Text Available O presente trabalho teve como objetivo determinar as condições otimizadas da síntese enzimática de biodiesel, a partir do óleo de palma e etanol, empregando diferentes lipases imobilizadas (lipase de Pseudomonas fluorescens imobilizada em SiO2-PVA e lipase de Candida antártica imobilizada em resina acrílica – Novozym® 435 em meio isento de solvente. Uma matriz de planejamento fatorial foi utilizada para avaliar a influência da temperatura (42 – 58°C e a razão molar entre etanol e óleo de palma (6:1 – 18:1 no rendimento de transesterificação alcançado para cada preparação de lipase. Os efeitos principais foram ajustados por análise de regressão múltipla a modelos lineares e o rendimento máximo foi obtido quando o sistema operacional foi operado a 42°C com substratos contendo etanol e óleo de palma na razão molar de 18:1. Os modelos matemáticos que representam o rendimento global da reação para cada lipase imobilizada foram considerados adequados para descrever os resultados experimentais.

  1. Synonymical remarks about certain Hymenoptera Aculeata

    NARCIS (Netherlands)

    Ritsema Cz., C.

    1884-01-01

    1. Odynerus basalis Smith, Cat. Hym. Ins. Coll. Brit. Mus. V (1857). p. 58= Odynerus variegatus H.S. (nec Fabr.) = Odynerus (Epipona) Herrichii Sauss., Suppl. Mon. Guêpes solit. (1854). p. 309. 2. Prosopis scutata Lichtenst., Ann. Soc. Ent. France (5), VII (1877). Bull. p. CII = Prosopis picta Smith

  2. The glass furnace of the 17th Century of Sa Gerreria (Palma, Mallorca): Historical context and preliminary analysis of the materials; El horno de vidrio del siglo XVII de Sa Gerreria (Palma, Mallorca): contextualizacion historica y analisis preliminar de los materiales

    Energy Technology Data Exchange (ETDEWEB)

    Capella Galmes, M. A.; Albero Santacreu, D.

    2015-10-01

    In this paper the materials of the glass furnace of Sa Gerreria (Palma) dated in the second half of the 17th Century A.D. are analysed. On the one hand, we discuss the available information regarding this glass workshop as well as the raw material management strategies made during the studied period. On the other hand, we focus on the materials produced by this workshop and we carry out a preliminary archaeometrical analysis of the glass lumps, frits and slags recovered as well as some glass pieces by means of scanning electron microscope and X-ray dispersive energy. The final aim is to characterise the chemical composition and the properties of the raw materials used in this workshop as well as to approach some of the technical processes put in practice by the glass makers who inhabited Mallorca during the 17th Century. (Author)

  3. Análise econômica de sistemas de gestão de resíduos sólidos urbanos: o caso da coleta de lixo seletiva em Palmas, TO Economic analysis of urban’s systems of solid waste management: the case of selective garbage collection in Palmas, TO

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    Willian Cardoso Santana

    2012-12-01

    Full Text Available Objetiva-se por esse estudo analisar a viabilidade econômica da implantação de um sistema de coleta de lixo seletiva (SCS no município de Palmas, Tocantins, considerando as relações entre os custos operacionais do sistema e os benefícios econômicos gerados sob o ponto de vista do contribuinte. Para tanto, utilizou-se do Método de Valoração Contingente (MVC para estimar os benefícios decorrentes dos serviços prestados a partir da disposição a pagar (DAP pelos diferentes sistemas de coleta. Além disso, apresentaram-se os custos da coleta convencional e estimaram-se os custos da coleta seletiva. Finalmente, conclui-se que a variação econômica do bem-estar do cidadão não seria compensada na eventual implantação da coleta seletiva na cidade de Palmas. Porém, a decisão sobre a implantação desse sistema deve ter as variáveis econômicas apenas como um dos parâmetros a serem adotados, uma vez que os inúmeros benefícios que a coleta seletiva traz para as gerações atuais e futuras extrapolam a avaliação econômica dos indivíduos sobre seu bem-estar presente.

  4. La medición de la calidad de los servicios prestados por los destinos turísticos: el caso de las isla de La Palma

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    María Bethencourt Cejas

    2005-01-01

    Full Text Available La existencia de destinos turísticos maduros, como Canarias, con una creciente globalización de la oferta turística y con la emergencia de un número considerable de destinos de sol y playa ubicados en países menos desarrollados altamente competitivos en precios, hace que la mejora de la calidad en la prestación de los servicios turísticos se haya convertido, para mercados maduros, en una necesidad defensiva. Este trabajo, se basa en una encuesta realizada en la isla de La Palma a una muestra representativa de los visitantes de la isla donde, partiendo de una definición previa del concepto de calidad aplicada al producto turístico, se analiza tanto la expectativa del turista como la consonancia con la misma de calidad en la prestación de los servicios recibidos, utilizando como instrumento de medición la escala SERVQUAL

  5. Costos de producción en el proceso de extracción de aceite de palma: Estudio de un caso

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    Rosana Meleán Romero

    2014-01-01

    Full Text Available El objetivo de esta investigación es analizar los costos de producción del proceso de extracción de aceite de palma, basados en el estudio de una de las empresas que conforman el sector palmicultor, ubicada en el estado Zulia-Venezuela. Se cataloga como analítica-proyectiva, de campo y transeccional; apoyada en material bibliográfico y otros documentos de interés necesarios para construir un instrumento de recolección de información (cuestionario, aplicado a informantes clave de una empresa del sector; se analiza la información recopilada, obteniendo como resultados que los costos se manejan de manera tradicional y dadas las complejidades del proceso que desarrolla la empresa, impide la determinación exacta del costo de los productos que elaboran: aceite rojo, aceite de palmiste y harina de palmiste. En función de ello, se propone una metodología híbrida de costeo que combina características del sistema de acumulación de costos por procesos y del costeo basado en actividades. Se concluye que una vez aplicada la propuesta realizada, la empresa podrá sistematizar sus costos de producción, obtener el costo unitario de los productos elaborados, además de encaminar el diseño de un sistema de información de costos ajustado a sus necesidades

  6. Raman spectroscopic analysis of dragon's blood resins-basis for distinguishing between Dracaena(Convallariaceae), Daemonorops(Palmae) and Croton(Euphorbiaceae).

    Science.gov (United States)

    Edwards, Howell G M; de Oliveira, Luiz F C; Prendergast, Hew D V

    2004-02-01

    "Dragon[prime or minute]s blood" is the name applied to the deep-red coloured resin obtained from various plants. The original source in Roman times, used by many cultures and esteemed for its depth of colour and mystical association, was the dragon tree Dracaena cinnabari(Convallariaceae), found only on the Indian Ocean island of Socotra, (Yemen). Additional sources emerged later, including another species of Dracaena, D. draco, from the Canary Islands and Madeira, and species in the genera Daemonorops(Palmae) from South East Asia and Croton(Euphorbiaceae) from tropical parts of both the New and Old Worlds. In this study, examples of dragon's blood resins from the Economic Botany Collections at the Royal Botanic Gardens, Kew, dating from 1851 to 1993, have been analysed non-destructively using Raman spectroscopy. The Raman spectra of well-documented, provenanced specimens have been used to establish the source of specimens of questionable or unknown origin. It has also been possible from the Raman spectra to indicate whether processing of the resins has been undertaken in the preparation of the specimens before their deposition at Kew.

  7. Producción de biodiesel a partir de aceite crudo de palma: 2. Evaluación económica

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    CARLOS DAVID ZAPATA

    2007-01-01

    Full Text Available Se realizó la evaluación económica de dos procesos continuos de producción de biodiesel a partir de aceite crudo palma. Se calcularon los costos de capital, operativos y de manufactura para ambos procesos. Como criterios de evaluación económica se utilizaron la tasa interna de retorno (TIR y el valor presente neto (VPN. Se efectuó un análisis de sensibilidad para estudiar el efecto de los precios de las materias primas y los productos sobre la rentabilidad. Ambos procesos requieren una inversión de capital fijo del orden de 2 millones de dólares (± 25% y un costo total de manufactura de 2.2 dólares/galón. El proceso con neutralización previa de los ácidos grasos libres presentó una mayor rentabilidad en todos los escenarios evaluados.

  8. CARACTERÍSTICAS Y CLASIFICACIÓN DE LOS SUELOS CULTIVADOS DE ARROZ EN LA PALMA, PINAR DEL RÍO

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    A. Hernández

    2010-01-01

    Full Text Available En este trabajo se estudian las características morfológicas, físico-químicas y de fertilidad de seis perfiles de suelos cultivados de arroz en fincas de La Palma, Pinar del Río. Se comprueba que los suelos están afectados por el proceso de gleyzación y presentan estructura del horizonte A desfavorable. Al mismo tiempo, en dos de esos perfiles, como resultado del cultivo del arroz, se presenta un horizonte antrópico que se denomina hidrágrico. Además, los seis perfiles de suelos se clasifican según el sistema de Cuba, así como del World Reference Base (WRB y Soil Taxonomy. Se demuestra que hay una buena aplicación de los dos primeros sistemas de clasificación; sin embargo, en los suelos con el horizonte antrópico no se pudo aplicar el Soil Taxonomy.

  9. Perturbaciones de los fuegos de verano en la palma mas austral del mundo (Jubaea Chilensis (mol. Baillon en microcuencas costeras de la Zona Mediterranea de Chile

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    Víctor Quintanilla Pérez

    2013-01-01

    Full Text Available Uno de los principales factores de degradación de las microcuencas costeras de la región de Valparaíso corresponde a los incendios forestales, como también a la expansión urbana y a las obras de infraestructura, que han implicado una importante disminución de la superficie vegetal nativa y que posee especies de un alto valor geobotánico y endémico, como es el caso de la palma chilena (Jubaea chilensis. Esta palmera se encuentra en la formación del bosque esclerófilo de Chile central (30o-37oS., área en la cual ocurren la mayor parte de los fuegos vegetales durante el vera- no en el país. A través de los registros de incendios que comprende el período 2000-2012, se han definido en el área de estudio los sectores críticos con mayor impacto de los fuegos; información que es complementada con la aplicación de índices de vegetación (NDVI a partir de imágenes satelitales Landsat e imágenes Theos-I de diferentes temporadas de verano.

  10. Estudio de la hidrólisis del crudo de aceite de palma africana empleando como catalizador la lipasa de la levadura C.rugosa

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    Miguel Molano

    2005-11-01

    Full Text Available En este artículo se presenta el estudio de la hidrólisis del crudo de aceite de palma por medio de la lipasa Candida rugosa. Los factores estudiados en esta investigación fueron el nivel de agitación, el efecto de blanqueo y la cantidad de lipasa. Experimentalmente fueron alcanzados porcentajes de hidrólisis del 79 - 93% en períodos de tiempo de 2 horas y media. Se pudo obtener un incremento de la reacción al aumentar la rotación del agitador al igual que incrementando la concentración de lipasa. Aunque la literatura cita el blanqueado como una ventaja para la hidrólisis enzimática, este procedimiento parece no tener un efecto benéfico en la reacción. / This paper shows the study of the hydrolysis reaction of crude palm oil giving by lipase from Candida rugosa. The studied factors were agitation level, bleaching effect and lipase concentration. Experimentally 79 - 93% hydrolysis were achieved in 2 and a half hour. The reaction rate was increased with the increment of the impeller rotational speed as well as increasing the lipase concentration. Although the literature cites bleaching as a beneficial advantages to enzymatic hydrolysis, this procedure do not have a significant beneficial effect on the reaction.

  11. Mortalidad y repelencia en Eupalamides cyparissias (Lepidoptera: Castniidae, plaga de la palma aceitera Elaeis guineensis, por efecto de diez extractos botánicos

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    Diana D. PÉREZ

    2008-01-01

    Full Text Available Las plantas con actividad insecticida constituyen un importante componente del manejo integrado de plagas. Bajo esta premisa, el objetivo del presente estudio fue evaluar la mortalidad y repelencia larval de Eupalamides cyparissias Fab. (Lepidoptera: Castniidae, plaga de la palma aceitera Elaeis guineensis Jacquin; empleando diez plantas con potencial insecticida: Ucullucuysacha ( Heliotropium indicum L., Boraginaceae, Floripondio ( Brugmansia x candida Pers., Solanaceae, Oreja de Tigre ( Tradescantia zebrina Hort ex Bosse, Commelinaceae, Piñón Blanco ( Jathropa curcas L., Euphorbiaceae, Sacha yoco ( Paullinia clavigera Schltdl., Sapindaceae, Yuquilla ( Euphorbia cotinifolia L., Euphorbiaceae, Achiote ( Bixa orellana L., Bixaceae, Retama común ( Cassia fistula L., Fabaceae, Huancahuisacha ( Aristolochia pilosa Kunth, Aristolochiaceae y Curare ( Chondrodendron tomentosum Ruiz & Pavon, Menispermaceae. Los bioensayos con E. cyparissias abarcaron entre 1 h y 24 h, bajo condiciones estandardizadas de laboratorio. A 24 h de exposición, los mayores porcentajes de mortalidad de E. cyparissias se presentaron en los tratamientos con Sacha yoco (63,3 %: corteza y hojas en decocción, Achiote (63,3 %: semillas en licuado y Yuquilla (48,3 %: hojas en licuado. En el caso de la repelencia, los mayores efectos se encontraron en los tratamientos con Achiote (83,30 %, Sacha yoco (75 % y Floripondio (66,7 %: hojas en licuado.

  12. Ultrastructural study of the spermatozoon of Taenia taeniaeformis (Batsch, 1786) (Cestoda, Cyclophyllidea, Taeniidae), an intestinal parasite of Felis catus from La Palma (Canary Islands, Spain).

    Science.gov (United States)

    Miquel, Jordi; Foronda, Pilar; Torres, Jordi; Swiderski, Zdzisław; Feliu, Carlos

    2009-06-01

    The ultrastructural characters of the mature spermatozoon of Taenia taeniaeformis are described by means of transmission electron microscopy. Materials were obtained from a naturally infected road-killed cat (Felis catus) from La Palma (Canary Islands, Spain). The mature spermatozoon of T. taeniaeformis is a filiform cell, which is tapered at both extremities and lacks mitochondria. It is characterised by the presence of (1) a single spirallised crested body about 140 nm thick, (2) a single axoneme of the 9+'1' pattern of trepaxonematan Platyhelminthes, (3) a twisted (40 degrees ) layer of submembranous cortical microtubules, (4) a periaxonemal sheath surrounding the axoneme, (5) transverse intracytoplasmic walls and (6) a spirallised nucleus encircling the axoneme. The mature spermatozoon of T. taeniaeformis is also characterised by the presence of an apical cone in its anterior extremity and by the disorganisation of the axoneme in its posterior extremity. The ultrastructural characters of the mature spermatozoon of T. taeniaeformis are compared with those of other cestodes studied to date, with particular emphasis on other representatives of the family Taeniidae.

  13. Familia, profesión y estado social: la villa de Palma del Río (Córdoba, a mediados del setecientos

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    Gómez Navarro, María Soledad

    2013-01-01

    Full Text Available Esta es una aportación al conocimiento de la estructura familiar, económico-profesional y social de la corona de Castilla a mediados del Setecientos según los Libros de Familias de Seglares del catastro de Ensenada, a través, en concreto, de una localidad bien representativa del reino de Córdoba como es Palma del Río. Aunque conocida como emanación de aquella magna encuesta, la documentación base de este trabajo aún está, sin embargo, muy poco explotada desde la triple perspectiva que lo intitula, y que hay que analizar y entender en el contexto de un Estado cada vez más necesitado de saber, fiscalizar y controlar a sus súbditos para gobernar, como fue, en definitiva, el ilustrado. Para el logro de nuestros objetivos y la comprensión del texto básicos son cuantificación y aparato estadístico subsiguiente. Finalmente, este primer acercamiento presenta un estado más lineal de conocimientos sobre la realidad local que explora, que se aquilata en otra fase posterior con el análisis específico y selectivo de las distintas variables que ahora sólo se examinan básicamente, o con su entrecruzamiento.

  14. Digestibilidade e absorção aparentes em vacas da raça holandesa alimentadas com palma forrageira (Opuntia ficus-indica mill em substituição à silagem de sorgo (Sorghum bicolor (L. moench

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    Andrade Dulciene Karla Bezerra de

    2002-01-01

    Full Text Available Foi avaliado o efeito de quatro níveis (0, 12, 24 e 36% de palma forrageira em substituição à silagem de sorgo, na ração de vacas da raça holandesa em lactação, sobre a digestibilidade aparente da matéria seca (DAMS, da matéria orgânica (DAMO, da proteína bruta (DAPB, do extrato etéreo (DAEE, da fibra em detergente neutro (DAFDN, da fibra em detergente ácido (DAFDA, dos carboidratos totais (DACHT e dos carboidratos não-fibrosos (DACNF, o teor de nutrientes digestíveis totais (NDT e os coeficientes de absorção aparente de cálcio (Ca, fósforo (P, potássio (K e sódio (Na. Foram utilizadas oito vacas, com peso médio de 590 kg e produção média de leite de 27 kg/dia, distribuídas em dois quadrados latinos simultâneos (4x4, sendo quatro animais, quatro períodos e quatro níveis de inclusão de palma na ração. A inclusão de palma forrageira na dieta influenciou a digestibilidade aparente de todos os nutrientes, sendo descrito por função quadrática. Foi possível estimar por intermédio desta função um teor máximo de NDT de 77,43% para utilização de 16,51% de palma na dieta. O aumento nos teores de CNF e a redução da FDN das rações foram responsáveis pelo comportamento quadrático na digestibilidade dos nutrientes. As absorções aparentes de Ca, P e Na foram influenciadas quadraticamente com o aumento dos níveis de palma na ração, enquanto o K aumentou linearmente. A relação Ca:P que proporcionou a melhor absorção desses elementos minerais foi de 1,9:1.

  15. Substituição do milho por palma forrageira: comportamento ingestivo de vacas mestiças em lactação - DOI: 10.4025/actascianimsci.v25i2.2029 Replacement of the corn by forage cactus: Ingestive behavior of crossbreed lactating cows - DOI: 10.4025/actascianimsci.v25i2.2029

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    Maria Adélia Oliveira Monteiro Cruz

    2003-04-01

    Full Text Available O objetivo deste trabalho foi estudar o efeito da substituição do milho por palma forrageira sobre o comportamento ingestivo de 8 vacas 5/8 Holandês-Zebu, distribuídas em 2 quadrados latinos 4 x 4. Os tratamentos consistiram na combinação fatorial de 2 cultivares de palma (miúda e gigante e 2 níveis de milho (com e sem. Não houve interação entre palma e milho (p > 0,05. As vacas que consumiram palma gigante gastaram mais tempo para se alimentar e as que consumiram palma miúda permanecerem maior tempo descansando (p The aim of this work was to evaluate the effects of replacement of corn by forage cactus on the ingestive behavior of eight crossbreed cows, assigned to a two 4 x 4 Latin square design. The treatments were a factorial 2 x 2 arrangement (two cultivars of forage cactus and two corn levels, with and without. There wasn’t interaction between forage cactus and corn (p > 0,05. The cows that consumed giant forage cactus spent more time eating and those that consumed small forage cactus spent more time resting (p < 0,01. The intake of water was lower for the animals that consumed diets with giant forage cactus and without corn (p < 0,01.

  16. [The way we were. On the centenary of the first Spanish Congress of Paediatrics in Palma de Mallorca (1914-2014)].

    Science.gov (United States)

    Ponte Hernando, F; Zafra Anta, M; Fernández Menéndez, J M; Gorrotxategi Gorrotxategi, P; Bassat, Q; Fernández Teijeiro, J J; de Arana Amurrio, J I; García Nieto, V

    2014-06-01

    Between the 19th and 25th April 1914, the First Spanish Congress of Paediatrics was held in Palma de Mallorca under the slogan "Protect the Children". The specialty had broken away a few years earlier from its secular connection with Obstetrics and Gynaecology, both in its teaching aspect as well as regarding healthcare. With the newly created Chairs in Childhood Diseases, in a way this Congress meant the coming-of age and debut int society of paediatrics in our country. Prof. Martínez Vargas, a university professor in Barcelona, was the Chairman, and soul of the congress. There was a need to face a very high rate of infant mortality. The Congress responded to that social and sanitary/health demand with the participation of over three hundred pediatricians, including foreign representatives from Belgium, France, Russia and Latin America. The activities were divided into four sections: Childcare, Child Medicine, Surgery and Health, and accredited lecturers gave master classes on the most pressing issues of child pathology of the time. One hundred years on, what we are today is the fruit gathered by those who preceded us. Some were brilliant figures in paediatrics and others, the majority, anonymous paediatricians. They dedicated their lives, their science and their best smile to child care. The way we were and the way we are. With legitimate pride and satisfaction, it is an honour for the Group on the History of Paediatrics and AEP Documentation to celebrate this centennial commemoration in the framework of the Annals of Paediatrics.

  17. Caracterización de un ambiente costero, sector Sabaneta de Palma en la Parroquia San José, Municipio Miranda, Estado Zulia

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    María Elena Ponce-Calderón

    2016-01-01

    Full Text Available Se estudió el ambiente geomorfológico y la vegetación asociada en un ambiente costero ubicado en Sabaneta de Palma en la parroquia San José del municipio Miranda, estado Zulia. Se identificaron cinco geoformas: planicie costera, playa (berma y superficie de playa, terraza, depresión y escarpe. Los procesos morfodinámicos relevantes corresponden a cárcavas y movimientos en masa. Se constató la existencia de eventos que favorecen la acumulación de sedimentos aportados por la acción del oleaje, corrientes marinas litorales y fluviales con dirección E-O. Los análisis texturales de los suelos muestran que son predominantemente de textura arenosa con granulometría media a fina; en algunos se observó una abundante proporción de granos finos limosos que posiblemente originaron la formación de capas delgadas de material ferruginoso. Las unidades de vegetación identificadas correspondieron al palmar litoral en playa subactual, así como matorral espinoso y herbazal en terraza subactual. Los tipos de perturbación evidenciados son a naturales tales como erosión difusa y concentrada, y b de origen antrópico en los que destacan tala, ganadería extensiva y pequeñas construcciones con fines turístico-recreacionales. Con base en el uso potencial de los suelos se recomiendan, para ganadería, recreación, conservación y protección de los ecosistemas.

  18. Transesterificación del aceite de palma con metanol por medio de una catálisis heterogénea empleando un catalizador ácido

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    Lina Marcela Riveros Santamaría

    2006-11-01

    Full Text Available La transesterificación del aceite de palma crudo con metanol se llevó a cabo en un reactor Batch bajo un rango de temperatura de 129-140°C y una presión manométrica de 6.4-9.4 bares, en presencia de Oxido de Zinc. Los factores estudiados fueron la cantidad de catalizador y la relación molar aceite:metanol alimentadas a la reacción La producción de esteres metílicos se incrementó al aumentar la cantidad de Óxido de Zinc, mientras que la relación aceite:metanol óptima fue de 1:30. El mayor rendimiento de esteres alcanzado fue de 38.75%. Los valores de Densidad, Viscosidad y Punto de nube determinados más cercanos a los estándar para Biodiesel fueron 0.871 gr/ml, 3.77 cSt y 12°C respectivamente./ Transesterification of crude palm oil with methanol was carried out using a Batch reactor under a range of temperature from 129 to 140°C, and a manometric pressure of 6.4-9.4 bars, in the presence of Zinc Oxide. The studied factors were the amount of catalyst and the molar relation of oil:methanol in the reaction. The production of methyl esters was increased with the amount of Zinc Oxide, while the optimal molar relation oil:methanol was 1:30. The greatest yield of methyl esters achieved was 38.75%. The closest Density, Viscosity and Cloud point values to Biodiesel standard values were 0.871 gr/ml, 3.77 cSt y 12°C respectively.

  19. Efeitos da Adubação e de Nematicida no Crescimento e na Produção da Palma Forrageira (Opuntia ficus indica Mill cv. Gigante

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    Teles Margareth Maria

    2002-01-01

    Full Text Available O experimento foi realizado em telado do Departamento de Zootecnia da UFRPE, objetivando medir o efeito da adubação e de nematicida no crescimento e produção da palma, com sintoma de amarelecimento. Os tratamentos experimentais constaram da adição ou não de macronutrientes, micronutrientes e de nematicida em um delineamento experimental em blocos casualizados. Para número de cladódios primários, a análise de variância demonstrou efeito não significativo pelo teste F. Para número total de cladódios, número de cladódios secundários, área de cladódio, índice de área de cladódios e produção de matéria seca, a análise de variância revelou efeito significativo. Não houve efeito dos micronutrientes e de nematicida no grupo dos tratamentos de Solução de Macronutrientes Completa para número de cladódios primários, número de cladódios secundários, área de cladódio, índice de área de cladódios e produção de matéria seca, sendo a média geral 1,56; 0,84; 811,11 cm²; 1,15 e 42,73 g/vaso, respectivamente.

  20. Cambios en el uso del suelo de las tierras del ingenio Las Palmas, provincia de Chaco, en los años 1987 y 2001

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    Febe Rozkiewicz

    2010-01-01

    Full Text Available En el departamento Bermejo, provincia de Chaco, a fines del siglo XIX se origina uno de los ingenios azucareros más importantes del país: Las Palmas del Chaco Austral S.A. En la década de los noventa es víctima de las políticas de privatización imperantes del momento. Como consecuencia, se produce su cierre y posterior desaparición, lo que supuso la eliminación de la principal fuente de trabajo de la localidad. Las tendencias actuales y novedosas en teledetección, cartografía digital y Sistemas de Información Geográfica (SIG son una forma útil e importante de ofrecer conocimientos actualizados para el diagnóstico, monitoreo y su aplicación en la gestión e investigación de recursos presentes en los distintos lugares de nuestro país. En el presente trabajo se pretende analizar los cambios producidos en el uso de suelo en las tierras del ex Ingenio a partir del cierre del mismo, mediante el uso de imágenes satelitales de los años 1987 y 2001, y de sistemas de información geográfica (SIG. El análisis multiespectral y multitemporal de las mismas permitirá discriminar los tipos de cobertura del suelo sobre la base de su respuesta espectral.

  1. Patrones de distribución, abundancia y riqueza de especies de la avifauna terrestre de la isla de La Palma (islas Canarias

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    Carrascal, L. M.

    2008-12-01

    Full Text Available We estimate the population size and density, habitat preferences, habitat breadth and probable population trends in the last 25-15 years of the diurnal terrestrial bird species breeding in La Palma island (Canary islands. Data were obtained in a large extensive census program carried out during the 2007 nesting period using line transects that allowed detectability estimations. We also explored patterns of species richness both at inter-habitat and local scale. Local species richness (species per 0.5 km transects showed an important geographical component, increasing from south to north, from west to east, and reaching maximum values at altitudes around 600-1,000 m a.s.l. It was also positively related to vegetation development (specially in the herbaceous and shrub layer, and negatively associated with urbanization and agriculture. Total bird density reached the highest figures in the ‘monteverde’ (laurel and heath forests ca. 650 aves/km2, and in the transition pinewoods-laurel forests (509 aves/km2, while the lowest figures were recorded in high altitude shrublands (153 aves/km2 and recent lava fields (58 aves/km2. The bird species with lower population sizes are Falco [peregrinus] pelegrinoides, Burhinus oedicnemus distinctus, Upupa epops, Carduelis carduelis, Miliaria calandra and Petronia petronia, while the last five species have undergone more negative population trends in the last 15-25 years.

    Se estiman los niveles poblacionales, las densidades ecológicas, los principales patrones de preferencia de hábitat, las posibles tendencias demográficas habidas en los últimos 25 y 15 años, y el estatus de conservación actual de las especies de aves terrestres diurnas reproductoras en la isla de La Palma. Los datos fueron obtenidos durante el periodo reproductor de 2007, utilizando transectos lineales. En total se efectuaron 437 transectos de 0,5 km repartidos por toda la

  2. Comportamento ingestivo de vacas em lactação e de ovinos alimentados com dietas contendo palma forrageira Ingestive behavior of lactating cows and sheep fed diets with spineless cactus

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    Safira Valença Bispo

    2010-09-01

    Full Text Available Foram realizados dois experimentos, o primeiro com o objetivo de avaliar o efeito da substituição do feno de capim-elefante por palma forrageira e o segundo para avaliar o efeito da substituição total do milho, e parcial da soja, por palma e ureia sobre o comportamento ingestivo de ovinos e de vacas em lactação, respectivamente. No experimento 1, foram utilizados cinco ovinos machos, não-castrados, sem raça definida, com peso médio de 25,8 kg, distribuídos em quadrado latino 5 x 5. No experimento 2, foram utilizadas 8 vacas em lactação, com produção média inicial de 14 kg leite/dia, distribuídas em dois quadrados latino 4 x 4. A observação dos dados comportamentais foi realizada visualmente, durante 24 horas, em ambos os experimentos. No experimento 1, com a inclusão da palma forrageira, os consumos de matéria seca, o tempo de alimentação e as eficiências de ruminação aumentaram linearmente, ao passo que o tempo de ruminação reduziu, linearmente também; o consumo de fibra em detergente neutro (FDN e as eficiências de alimentação apresentaram comportamento quadrático. No experimento 2, a inclusão de palma e ureia não influenciou os consumos de matéria seca e FDN nem os tempos de alimentação e ruminação e as eficiências de alimentação e de ruminação (kgMS/hora, no entanto, a eficiência de ruminação (kg FDN/hora apresentou comportamento quadrático. O tempo de mastigação total e o tempo de ócio não foram influenciados pela inclusão de palma na dieta nos dois experimentos. Recomenda-se para ração de ruminantes com alta proporção de palma forrageira a inclusão de uma fonte de fibra fisicamente efetiva.It was carried out two experiments, the first aiming to assess the effect of substituting elephant grass hay by spineless cactus and the second to evaluate the total replacement of corn and partial replacement of soybean by cactus and urea regarding to the ingestion behavior of sheep and lactating

  3. Correlações do índice de área do cladódio com características morfogênicas e produtivas da palma forrageira

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    Karina Mendes Pinheiro

    2014-12-01

    Full Text Available O objetivo deste trabalho foi avaliar as correlações do índice de área do cladódio com características morfogênicas e produtivas da palma forrageira (Nopalea sp. e Opuntia sp.. Foram avaliados três clones de palma forrageira, em condições de sequeiro: IPA Sertânia, Miúda e Orelha de Elefante Mexicana. Dados morfológicos dos cladódios e da planta, índice de área do cladódio e biomassa acumulada foram obtidos na ocasião da colheita. A relação entre os dados coletados foi avaliada por meio da análise de trilha, após a aplicação da matriz de correlação de Pearson e do teste de multicolinearidade. Foram observadas maiores correlações das características morfogênicas com o rendimento da cultura do que com o índice de área do cladódio, com R2 entre 0,5930 e 0,9502. As variáveis altura x largura e número total de cladódios foram as que melhor explicaram a variação do índice de área do cladódio. O número total de cladódios, o índice de área do cladódio e a morfologia dos cladódios de quarta ordem são as variáveis que melhor explicam a variabilidade do rendimento dos clones de palma forrageira avaliados em ambiente semiárido.

  4. La evolución de los sistemas constructivos y estructurales en Las Palmas de Gran Canaria como instrumento de datación de la construcción en Gran Canaria (1478-1950)

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    Galtier Barroso, Gazmira

    2016-01-01

    Programa de doctorado: La restauración y rehabilitación arquitectónica. Investigación, tendencias e innovaciones. La fecha de publicación es la fecha de lectura [ES]La presente tesis doctoral analiza la historia de la implantación de los sistemas constructivos y estructurales en Las Palmas de Gran Canaria, atendiendo a los factores descritos anteriormente, como caso significativo de la arquitectura realizada en Gran Canaria, en el periodo correspondiente al desarrollo de las formas tradici...

  5. Aproximación proteómica del material IRHO7001 de palma de aceite Elaeis guineensis Jacq en condiciones de déficit hídrico

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    Pérez Mora, Walter Hernando

    2012-01-01

    La palma de aceite (Elaeis guineensis Jacq), es uno de los cultivos más importantes en la actualidad debido a su uso en los biocombustibles y en la producción de aceites (FEDEPALMA 2007). En Colombia, uno de los principales países productores, la mayor parte del cultivo se concentra en regiones secas en los cuales pueden presentarse eventos de estrés hídrico en las plantas. En el presente trabajo se hizo una aproximación proteómica al problema del déficit hídrico en el material vegetal IRHO 7...

  6. Dieta, nutrición y economía de las poblaciones prehistóricas de Gran Canaria, Tenerife, La Palma y El Hierro. Un enfoque bioantropológico

    OpenAIRE

    2001-01-01

    [ES] En este trabajo se aborda la reconstrucción de la dieta y la nutrición de las poblaciones prehistóricas que habitaron el Archipiélago a partir de procedimientos de análisis ciertamente novedosos. El estudio tiene como objetivo básico el convertirse en una aproximación al modelo económico y alimenticio de la población prehispánica de Gran Canaria, Tenerife, La Palma y El Hierro. Para ello, se parte fundamentalmente de los análisis sobre evidencias bioantropológicas. Además, se ha pretendi...

  7. Palma Forrageira (Opuntia Fícus- Indica Mill como alternativa na alimentação de ruminantes (Forage Palm (Opuntia Fícus- Indica Mill as alternative in ruminant feeding

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    Cristina Cavalcante Félix da Silva

    2006-10-01

    Full Text Available ResumoA exploração pecuária na região Nordeste éprejudicada pelas constantes secas eirregularidade das chuvas, causando assim,uma baixa produtividade de seu rebanho.Considerando essa má distribuição dechuvas, é necessária a busca de alimentosalternativos e mais baratos, como a palmaforrageira. A palma forrageira sem espinhonão é nativa do Brasil. No Nordeste do Brasilsão encontrados três tipos distintos depalma: gigante, redonda e miúda. Essaforrageira apresenta alta produção dematéria seca por unidades de área, é umaexcelente fonte de energia, rica emcarboidratos não fibrosos e nutrientesdigestíveis totais. Porém, a palma apresentabaixo teor de fibra em detergente neutro,necessitando sua associação a uma fonte defibra que apresente alta efetividade. Assim,torna-se possível a associação da palma comalimentos de baixo custo, permitindoprodução de leite e manutenção em níveisbastante próximos aos obtidos com alimentosde maior valor comercial. Com isso, estarevisão tem por objetivo demonstrar aeficiência da utilização da palma forrageira naalimentação de ruminantes. AbstractAnimal exploration in Northeast region isimpaired by constant droughts and rainirregularity, causing low herd productivity.Considering this bad rain distribution it isnecessary to search alternative and cheaperfeed, as forage palm. The forage palmwithout thorn is not native of Brazil. In BrazilNortheast there are three distinct types ofpalm: giant, round and small. This forageshows high dry matter production per unit ofarea, is an excellent energy source, rich innon fiber carbohydrates and total digestiblenutrients. However, palm shows low neutraldetergent fiber content, being necessary itsassociation to a fiber source that shows higheffectively. Thus, it become possible toassociate palm to low cost feed, allowing milkproduction and supporting in levels near tothat obtained with greater commercial feed.This review has the objective of

  8. 77例手-脚汗症经电视胸腔镜胸交感神经切断术的疗效分析%The effect of endoscopic thoracic sympathectomy of 77 cases with palma-plantar hyperhidrosis

    Institute of Scientific and Technical Information of China (English)

    陈国祥; 华平; 陈炬; 熊利华; 潘德强

    2010-01-01

    目的 探讨用电视胸腔镜外科技术治疗手-脚汗症的效果.方法 2006年1月至2009年1月经电视胸腔镜手术治疗手-脚汗症77例,其中因合并腋下多汗而行T2~T4切断术52例(A组),未合并腋下多汗而行T2~T3切断术25例(B组).结果 术后手汗及腋下多汗均消失,脚底无汗者7例,脚底多汗减少者34例,脚底多汗无明显变化者32例,脚底多汗增多者4例.A组与B组术后脚底多汗改变差异无统计学意义(P>0.05).结论 每侧单孔电视胸腔镜手术治疗手-脚汗症创伤更小,患者更易于接受.胸交感神经切断术后部分患者脚底多汗可减轻或消失.切断T2~T4与切断T2~T3对脚汗症的影响无差别.%Objective To analyse the effect of endoscopic thoracic sympathectomy of palma-plantar hyperhidrosis. Methods Between January 2006 and January 2009,77 cases with palma-plantar hyperhidrosis were operated by thoracoscope. Fifty-two cases of palma-axillary-plantar hyperhidrosis were performed sympathectomy of T2-T4 and 25 cases of palma-plantar were performed sympathectomy of T2-T3.Bilateral procedures were completed in the same position. Results After operation palmar hyperhidrosis and armpits hyperhidrosis all were cured. Of soles, 7 cases were completely dry, 34 cases nearly dry, 32 cases unchanged and 4 cases worse. There was no significant difference in the change of plantar hyperhidrosis between sympathectomy of T2-T3 and T2-T4 (P > 0.05). Conclusions Bilateral single port for endoscopic thoracic sympathectomy produces slighter trauma and patients easily accept it. Plantar sweating can be relieved or nearly relieved in partial patients after thoracic sympathectomy. There is no difference in the effect of plantar hyperhidrosis between sympathectomy of T2-T3 and T2-T4.

  9. Calidad de vida, discapacidad motriz y medio acuático: experiencia práctica en el centro de educación especial “Pinyol Vermell” (ASPACE) de Palma de Mallorca

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    Cantallops Ramón, Jaime

    2005-01-01

    En este articulo se presenta la experiencia de un programa acuático dirigido a personas con discapacidad motriz, con la finalidad de mejorar su calidad de vida, en el centro de educación especial “Pinyol Vermell” (ASPACE) de Palma de Mallorca, que se está llevando a cabo durante el curso escolar 2004-2005. Previamente, para introducir el trabajo, se exponen los conceptos de calidad de vida, discapacidad motriz y medio acuático, y a continuación se centra en el programa acuático que se est...

  10. Contribución del estudio neurofisiológico al diagnóstico y control evolutivo de la enfermedad de Charcot-Marie-Tooth en la provincia de Las Palmas

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    Navarro Rivero, Beatriz

    2015-01-01

    Programa de doctorado: Patología Quirúrgica [ES]En la presente tesis se estudian los diferentes tipos gnéticos de CMT en la provincia de Las Palmas mediante un estudio transversal, descriptivo y retrospectivo entre los años 2008-2012; valorando la importancia del estudio neurofisiológico y su posible correlación de los parámetros neurofiosológicos con diferentes nervios respecto a discapacidad clínica, tiempos de evolución de la enfer...

  11. Honradez y respeto como valores morales en las familias de niños y niñas de preescolar y primeros de la Institución Educativa Las Palmas

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    Saldarriaga Suárez, Liliana; Montoya Velásquez, Alba

    2011-01-01

    Tesis (Maestría en Educación y Desarrollo Humano). Universidad de Manizales. Facultad de Ciencias Sociales y Humanas. CINDE, 2011 Comprender la concepción y vivencia de la honradez y el respeto como valores morales que tienen las familias de algunos niños y niñas de preescolar y primero de la Institución Educativa Las Palmas, y analizar la relación entre esos valores y el comportamiento en la escuela

  12. URBAN TREE SURVEY OF THE UNIVERSITY OF BRASILIA CAMPUS

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    Diogo Luis Kurihara

    2005-06-01

    Full Text Available A census of all the trees on 111 ha was conducted at the University of Brasilia campus. A total of 5,011 trees with DBHover 5 cm were identified and their DBH, diameter at 30 cm on ground level, diameter under the bifurcation point, height up to the firstbifurcation and the total height of the tree were measured. Phenological observation was also carried out. A great diversity of treeswas found composed of 49 botanical families and 154 species. The main species are Acrocomia aculeata, Syagrus oleracea, Ingamarginata, Pterogyne nitens, Caesalpinia ferrea, Caesalpinia pluviosa, Peltophorum dubium, Pachira aquatica, Syzygium cuminiand Tabebuia impetiginosa.

  13. Amadurecimento pós-colheita de frutos de macaúba e qualidade do óleo para a produção de biodiesel

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    Goulart, Samuel de Melo

    2014-01-01

    A macaúba [Acrocomia aculeata (Jacq.) Lodd. ex Martius] é uma espécie promissora como fonte de matéria prima para a produção do biodiesel devido a alta produtividade em óleo, a possibilidade de completo aproveitamento de seus frutos e sua adaptabilidade a diversos biomas brasileiros. Devido ao sistema extrativista de exploração da espécie praticado até os dias atuais, informações a respeito do comportamento fisiológico pós-colheita de seus frutos e seus efeitos sobre a qualidade do óleo, bem ...

  14. Morfo-anatomia do fruto (hipanto, pericarpo e semente em desenvolvimento de Pereskia aculeata Miller (Cactaceae - DOI: 10.4025/actascibiolsci.v25i2.2046 Morphology and anatomy of the fruit (hypanthium, pericarp and seed development of Pereskia aculeate Miller (Cactaceae

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    Sonia Maciel da Rosa

    2003-04-01

    Full Text Available O desenvolvimento do fruto (hipanto, pericarpo e semente de Pereskia aculeata Miller é analisado desde a flor em antese até a maturidade. A flor é perígina e apresenta no hipanto bractéolas verdes e acúleos. O fruto é pomáceo, tipo cactídio e caracteriza-se por apresentar hipanto carnoso, pericarpo e massa gelatinosa, formada pela destruição parcial do pericarpo e columela, onde estão imersas as sementes. A semente é exotestal e origina-se do óvulo anfítropo, bitegumentado e crassinucelado. A semente apresenta reserva perispérmica e resíduos de endosperma. O embrião é curvo e tem eixo hipocótilo-radicular longo, dois cotilédones com mesofilo homogêneo e plúmula indiferenciadaThe development of Pereskia aculeate Miller fruit (hypanthium, pericarp and seed was analyzed. The flower is perigynous and presents a hypanthium with bracteoles and aculeus. The fruit is pomaceous, type cactídio, with succulent hypanthium, pericarp, and seeds immersed in a gelatinous mass. This gelatinous mass originates from the pericarp and the columella. The seed is exotestal and develops from an amphitropous, bitegmic and crassinucelate ovule. It has perisperm and an endosperm residue. The embryo is curved and is composed of elongated hypocotyl-radicle axis, two cotyledons with uniform mesophyll, and undifferentiated plumule

  15. Influencia de la variación espacial y temporal en la disponibilidad de luz sobre la germinación de semillas y el crecimiento de plántulas de tres especies de palmas del bosque tropical premontano de Costa Rica.

    OpenAIRE

    Ávalos-Rodríguez, Gerardo

    2011-01-01

    La investigación logró determinar la influencia de la variación espacial y temporal en la disponibilidad de luz sobre los niveles de germinación, establecimiento y crecimiento de las palmas Socratea xhorriza, Iriartea delttoidea y Welfia regia bajo condiciones de bosque primario y secundario. Además,describió la fenología reproductiva de las tres especies de palmas bajo estudio, su estructura poblacional y el ambiente lumínico. Universidad de Costa Rica

  16. Influencia del proceso de fritura en profundidad sobre el perfil lipídico de la grasa contenida en patatas tipo “french”, empleando oleina de palma

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    Salinas, N.

    2010-03-01

    Full Text Available The aim of this investigation was to evaluate the influence of certain variables of the process of deep fat frying on the lipid profile of the fat fraction of the potato type “french” (Solanum tuberosum using palm oil. This marked the first fat fraction of both the processing type and the oil used, through the evaluation of various physicochemical parameters, using the method of AOAC and the Standard COVENIN. We identified variables that influenced the process during frying of potatoes, using an experimental design of type 3 * 22, evaluating factors such as the reuse of the matrix fat (1st, the 4th and the 8th fry, temperature (150° and 180 °C and method of food peeling (chemical and manual, studying the content of polar compounds as an indicator of the deterioration of the fat present in the potato, finding that oil reuse and peeling method significantly influenced in a positive manner, and that the temperature has a negative influence on the absorption of polar compounds in potato chips (α: 0.05.El objetivo de la presente investigación fue evaluar la influencia de ciertas variables del proceso de fritura en profundidad sobre el perfil lipídico de la fracción grasa de la patata tipo “french” (Solanum tuberosum, empleando oleína de palma. Para ello se caracterizó inicialmente la fracción grasa tanto de la patata como de la oleína utilizada, a través de la evaluación de diferentes parámetros fisicoquímicos, empleando para ello métodos de la A.O.A.C. y las Normas COVENIN. Se identificó las variables del proceso que más influían durante la fritura de las patatas, aplicando un diseño experimental del tipo 3*22, evaluando como factores; la reutilización de la matriz grasa (1ra, 4ta y 8va fritura, la temperatura (150° y 180 °C y tipo de pelado del alimento (químico y manual, estudiando el contenido de compuestos polares como indicador de deterioro de la grasa presente en la patata, encontrando que la reutilización y el

  17. Seleção de clones de palma forrageira resistentes à cochonilha-do-carmim (Dactylopius sp Selection of prickly-pear clones resistant to carmine cochineal Dactylopius sp

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    Andréa Guimarães Vieira de Vasconcelos

    2009-05-01

    Full Text Available Visando selecionar clones de palma forrageira resistentes à cochonilha-do-carmim, realizou-se um experimento em casa de vegetação no período de setembro de 2001 a janeiro de 2002. A partir de infestação artificial com a cochonilha, foram testados 20 clones de palma forrageira, em delineamento inteiramente casualizado, com quatro repetições. Foram observadas a fixação de colônias sobre os cladódios e a porcentagem de cladódios infestados, por meio de uma escala de notas variando de 0 a 5. Os clones que apresentaram maior resistência ao ataque da praga foram Miúda e Orelha de Elefante.The experiment was carried out in a greenhouse from September 2001 to January 2002 to select several prickly-pear varieties resistant to cochineal carmine. Twenty pricky-pear varieties were evaluated as a completely randomized experimental design with four replicates. The plants were artificially infested. The infestation level was evaluated by a 0 - 5 scale. The most resistants clone are "Miúda" and "Orelha de Elefante".

  18. CONTENIDO DE POLIAMINAS LIBRES EN PALMAS AFECTADAS POR PUDRICION DEL COGOLLO EN LAS ZONAS CENTRAL Y OCCIDENTAL DE COLOMBIA FREE POLYAMINE CONTENT ON OIL PALMS AFECTED BY BUD ROT IN THE COLOMBIAN CENTRAL AND WESTERN PALM REGIONS

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    Viviana Correa

    Full Text Available La pudrición del cogollo (PC es la principal enfermedad de la palma en Colombia. En las zonas palmeras Central (ZC y Oriental (ZOR, las palmas enfermas pueden recuperarse naturalmente. En la Zona Occidental (ZOCC el proceso de recuperación no es evidente. La recuperación de palmas está ligada a gran actividad meristemática que podría involucrar la acción de metabolitos como las poliaminas (PA. Este trabajo muestra la relación entre el contenido de poliaminas en el meristemo y la capacidad de recuperación de palmas con PC, en dos zonas agroclimáticas diferentes. Poliaminas extraídas del meristemo de palmas en ZC y ZOCC, fueron analizadas por HPLC. En ZC, donde existe recuperación espontánea, los niveles más altos de PA se presentan en palmas sanas y en recuperación y a medida que avanza la enfermedad la concentración desciende hasta un mínimo en el estado de PC inicial. Luego la concentración de PA aumenta hasta el estado de Buena Recuperación donde los valores de poliaminas son más altos que los de palmas sanas. En la ZOCC , el contenido de PA aumenta con la enfermedad llegando al máximo en plantas sin recuperación y el mínimo en plantas sanas. Las diferencias entre zonas pueden explicarse por los diferentes roles de las poliaminas en plantas. En la ZC la cantidad elevada de PA en palmas sanas o en recuperación funcionaría en la inducción de actividad meristemática, para la recuperación espontánea. En la ZOCC el aumento en el contenido de PA con la enfermedad puede estar relacionado con la producción de especies reactivas de oxigeno para defensa secundaria contra patógenos. A diferencia de lo observado en ZC , las plantas en ZOCC no pueden producir estructuras sanas que no sean re infectadas, por lo tanto los elevados contenidos de PA no están relacionados con la promoción de la actividad meristemáticaBud Rot complex (BR is the major disease of oil palm in Colombia . In the Central (ZC and Eastern (ZE oil palm

  19. Improntas coloniales en las prácticas artísticas latinoamericanas: versiones del retrato etnográfico en la Serie 1989-2000 de Luis González Palma

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    Laura Catelli

    2014-09-01

    Full Text Available The following article identifies and analyzes the presence of colonial imprints in Serie 1989-2000 by Guatemalan artist Luis Gonzalez Palma (1957. I argue that by citing different versions of the ethnographic portrait visual genre, the Serie builds a temporal arc that extends from the sixteenth century to the Five Hundred Years celebrations (1992. This arc allows us to explore the relation between Art and Anthropology, the representation of Guatemalan indigenous subjects, violence and coloniality in a continued, long-lasting process. In the first part the article delves in a critical and theoretical discussion of the ethnographic turn in art (Kosuth, Foster in a latinamericanist (Camnitzer, Richard, postcolonial and decolonial context (Coronil, Mignolo, Quijano. In the second part, I revise the use of the ethnographic portrait (Brilliant and Mason, Parker Brienen, Lugo Ortiz in racial formations (Omi and Winant in the Americas to further comprehend the presence of this visual genre in Gonzalez Palma´s works, its critical sense, and finally the artist´s proposal to recover “the gaze as power”.

  20. Wrist and palm indexes in carpal tunnel syndrome Índices de palma/punho e síndrome do túnel do carpo

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    JOAO ARIS KOUYOUMDJIAN

    2000-09-01

    Full Text Available According to median sensory latency > or = 3.7 ms (wrist-index finger [WIF], 14 cm, median/ulnar sensory latency difference to ring finger > or = 0.5 ms (14 cm or median midpalm (8 cm latency > or = 2.3 ms (all peak-measured, 141 Brazilian symptomatic patients (238 hands have CTS confirmation. Wrist ratio (depth divided by width, WR and a new wrist/palm ratio (wrist depth divided by the distance between distal wrist crease to the third digit metacarpophalangeal crease, WPR were measured in all cases. Previous surgery/peripheral neuropathy were excluded; mean age 50.3 years; 90.8% female. Control subjects (486 hands have mean age 43.0 years; 96.7% female. The mean WR in controls was 0.694 against 0.699, 0.703, 0.707 and 0.721 in CTS groups of progressive WIF severity. The mean WPR in controls was 0.374 against 0.376, 0.382, 0.387 and 0.403 in CTS groups of WIF progressive severity. Both were statistically significant for the last two groups (WIF > 4.4 ms, moderate, and, WIF unrecordable, severe. BMI increases togetherwith CTS severity and WR. It was concluded that both WR/WPR have a progressive correlation with the severity of CTS but with statistically significance only in groups moderate and severe. In these groups both WR and BMI have progressive increase and we believe that the latter could be a risk factor as important as important WR/WPR.Um grupo de 141 pacientes (238 mãos com síndrome do túnel do carpo (STC sintomático foi estudado após confirmação por condução nervosa: latência distal sensitiva do nervo mediano (LDS-M > ou = 3,7 ms (punho -- II dedo, 14 cm, diferença de latência sensitiva mediano-ulnar > ou = 0,5 ms (punho -- IV dedo, 14 cm e/ou latência palma-punho do nervo mediano > ou = 2,3 ms (8 cm; as latências foram medidas no pico do potencial. Todos os casos tiveram as seguintes medidas calculadas: 1. Índice do punho (IP, espessura dividido pela largura do punho; 2. Índice punho-palma (IPP, espessura do punho

  1. Resultados paleomagnéticos de los depósitos pliopleistocenos de la cuenca de Palma (Mallorca, España

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    Silva, P. G.

    2000-08-01

    Full Text Available The results from the paleomagnetic analysis of the plio-pleistocene deposits located in the eastern (Bahia Azul Section and western (Banc d'Eivissa borders of the Palma Basin are presented in this paper. The Bahía Azul section is composite by a marine terrace at +70-74 m a.s.1., overlapped by nine littoral dune systems separated by erosional surfaces. The Banc d'Eivissa section is constituted of a lower marine terrace at +24-25 m a.s.l., buried by two dune systems, although there are more numerous in the vicinity. The lithological spectrum at both sections holds a main calcarenitic nature, but the available outcrops display a different degree of weathering making difficult the establishment of a continuous magnetoestratigraphic sequence. The paleontological content (Roselló y Cuerda, 1973 and paleomagnetic results of the Banc d'Eivissa deposits are no sufficient to establish a precise chronological sequence, and only is possible to locate them within the reverse polarity Matuyama epoch. On the contrary, the lower half of the Bahia Azul sequence (marine terrace plus the 3 first dune systems presents a consistent reverse polarity. The paleontological content of these materials indicates an early Pleistocene age (Emilian cycle: Cuerda y Sacarés, 1992 which agree with the obtained paleomagnetic results. Therefore, the whole sequence is interpreted to be located between the normal polarity chrons of Jaramillo and Olduvay (Clr. 1n and C2n of Cande and Kent, 1995 within the Matuyama epoch, but can not be totally rejected the possibility that them could be placed after the Olduvai Chron.Se presentan los resultados paleomagnéticos obtenidos del análisis de los depósitos plio-pleistocenos que afloran en los bordes oriental (sección de Bahía Azul y occidental (Banc d'Eivissa de la cuenca de Palma. La sección de Bahía Azul está constituida por una terraza marina situada a +70-74 metros sobre el nivel medio del mar y, sobre ella, nueve sistemas

  2. Consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma gigante (Opuntia ficus-indica Mill e palma orelha-de-elefante (Opuntia sp. - DOI: 10.4025/actascianimsci.v30i2.4684 Intake and ingestive behavior of sheep and goats fed with cactus pear (Opuntia ficus-indica Mill and prickly pear (Opuntia sp. - DOI: 10.4025/actascianimsci.v30i2.4684

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    Valéria Louro Ribeiro

    2008-08-01

    Full Text Available O presente trabalho teve por objetivo avaliar o consumo e comportamento ingestivo de caprinos e ovinos alimentados com palma Gigante (Opuntia fícus-indica Mill e palma Orelha-de-elefante (Opuntia sp.. Foram utilizados 20 animais mestiços, sendo dez caprinos e dez ovinos, alojados em galpão coletivo, contidos individualmente por meio de cordas, distribuídos em delineamento inteiramente casualizado, em um arranjo fatorial 2 x 2 (duas espécies animais e duas variedades de palma. As observações comportamentais foram realizadas em intervalos de 5 min. por um período de 24h. Os consumos de matéria seca, extrato etéreo, fibra em detergente ácido, carboidratos totais e carboidratos não-fibrosos foram menores (p 0,05 sobre o tempo gasto com alimentação e eficiência de alimentação. O tempo gasto com ruminação foi maior para a dieta com palma Gigante, consequentemente os animais da dieta com palma Orelha-de-elefante permaneceram mais tempo em ócio. Comparando as espécies caprina e ovina, verificou-se que a eficiência de ruminação, tanto de MS quanto de FDN, foi maior para a espécie ovina. Os animais gastaram mais tempo ruminando deitados do que em pé, mas não foi verificada diferença quanto ao lado escolhido para deitarem.The objective of this study was to evaluate the intake and ingestive behavior of sheep and goats fed with cactus pear (Opuntia ficus-indica Mill and prickly pear (Opuntia sp.. Twenty crossbred animals – 10 sheep and 10 goats – were used. They were lodged in a collective shed, contained individually with ropes, distributed using a completely randomized design, and treated with a 2 x 2 factorial arrangement (2 animal species and 2 varieties of cactus. Behavioral observations were made at five-minute intervals during a 24-hour period. Dry matter, ether extract, acid detergent fiber, total carbohydrate and non-fibrous carbohydrate intake were reduced (p 0.05 on feeding time and feeding efficiency. The time

  3. Soroprevalência de anticorpos anti-Toxoplasma gondii em trabalhadores de um matadouro de suínos e em indivíduos com outras atividades na cidade de Palmas, Paraná, Brasil Seroprevalence of anti-Toxoplasma gondii antibodies in workers of a swine slaughterhouse and in individuals with other activities in the city of Palmas, Paraná, Brazil

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    Patricia Riddell Millar

    2007-02-01

    Full Text Available O risco de infecção por Toxoplasma gondii em trabalhadores de um frigorífico de suínos em Palmas, Paraná, Brasil, foi estudado comparativamente a outros indivíduos que não mantinham contato com animais e suas carcaças. As 174 amostras de soros foram divididas em dois grupos: grupo 1 - funcionários de um matadouro-frigorífico de suínos (133 e grupo 2 - controle (41. No ato da coleta, todos os participantes responderam a um questionário epidemiológico com as seguintes variáveis: sexo, idade, contato com gatos e solo, hábito de ingerir carne crua ou mal cozida, embutidos crus e leite cru. Todas as amostras de soros foram submetidas aos testes ELISA (Enzyme linked immunosorbent assay e RIFI (Reação de imunofluorescência indireta - IgG anti-T. gondii; por sua vez, para IgM anti-T. gondii, foi utilizada a RIFI. Todos os 174 indivíduos eram IgM soro não-reagentes. No grupo 1, 48,1% eram IgG sororreagentes na RIFI e 58,6% na ELISA. No grupo 2, 39,0% eram IgG sororreagentes na RIFI e 51,2% na ELISA. Não foram observadas diferenças estatisticamente significativas entre os grupos 1 e 2 em todas as variáveis, com exceção de "contato com gatos", para o grupo 1, e de "ingestão de leite cru", para o grupo 2, que foram estatisticamente significativas. Os resultados sugerem que a manipulação de carcaças (cistos não deve ter sido o único mecanismo de infecção envolvido na alta freqüência de sororeagentes na população estudada, embora possa ter contribuído na transmissão do parasita como fator de risco, assim como o contato com solo contaminado ou com gatos (oocistos.The risk of Toxoplasma gondii infection in workers of a swine slaughterhouse in Palmas, Paraná, Brazil was compared to other individuals not exposed to these animals and its carcasses. The 174 serum samples were divided in two groups: group 1 - slaughterhouse workers (133, and group 2 - control (41. During blood sampling, workers answered an epidemiological

  4. Evaluation of feeding supply and forage cactus processing for lactation cows Avaliação da forma de fornecimento da dieta e do processamento da palma-forrageira para vacas em lactação

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    Márcio da Silva Vilela

    2010-12-01

    Full Text Available The aim of this study was to evaluate the effect of the manner in which diet is supplied and spineless cactus forage is processed on intake, nutrient digestibility, milk production and composition, concentration of plasma urea nitrogen (PUN in the milk urea nitrogen (MUN and production of microbial protein in Holstein cows in lactation. Eight cows (453 ± 75.8 kg yielding 14 kg milk/day were allotted to a factorial design, with two manners of cactus processing (knife-chopped or forage machine and two diet supplies (separate concentrate or total mixed ration. Intakes of dry matter, organic matter, neutral detergent fiber and total digestible nutrients were lower when cactus was knife-chopped. Digestibility, milk production and fat and protein yield did not change according to the manner diet was supplied neither by forage cactus processing. Average milk production was 14.8 kg/day for knife-chopped cactus and 14.6 kg/day for cactus chopped in forage machine and 14.8 kg/day when cactus was given in separate concentrate and 14.5 kg/day when it was given in total mixed ration. However, fat content was lower (36 g/kg for knife-chopped cactus fed cows. Purine derivatives and concentrations of N-ureic were not influenced by the manner in which diet was supplied neither by the forage cactus processing. Means observed for efficiency of microbial protein synthesis (98.9 g/kg TDN, PUN concentrations (21.3 mg/dL and MUN (18.2 mg/dL were similar for cactus processing and for the manner in which diet was supplied. Forage-machine cactus processing improves dry matter intake and total mixed ration supply avoids selectivity.Objetivou-se avaliar o efeito da forma de fornecimento da dieta e do processamento da palma forrageira sobre o consumo, a digestibilidade dos nutrientes, a produção e a composição do leite, a concentração de N-ureico no plasma (NUP e no leite (NUL e a produção de proteína microbiana em vacas holandesas em lactação. Foram utilizadas

  5. Assessment of environmentally available metals in sediment samples from water for public supply of the city of Palmas, Tocantis, Brazil; Avaliacao dos metais ambientalmente disponiveis em amostras de sedimento de pontos de captacao de agua para abastecimento publico de Palmas, TO, Brasil

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    Oliveira, Bruna Rafaela

    2012-07-01

    The sediments are an important compartment used as a tool for assessment of aquatic ecosystems quality, for indicating the presence of contaminants released continuously into the environment as a result of human activities. Among chemical substances discharged to surface water, there are metals that in undesirable amounts, can be toxic to biota. Due to the importance of sediment and of shortage of data of water quality of the Araguaia-Tocantins river system, the present study conducted an assessment of environmentally available metals in sediment samples from water for public supply of the city of Palmas, in Tocantins, Brazil. The concentrations of As, Cd, Pb and Se were analyzed by Graphite Furnace Atomic Absorption Spectrometry (GFAAS), Ag, Al, B, Ba, Be, Ca, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, P, Sb, Sc, Si, Ti, V and Zn were analyzed by Inductively Coupled Plasma Optical Emission Spectrometry (ICPOES) and Hg by Cold Vapor Atomic Absorption Spectrometry (CVAAS). Two partial solubilization processes were performed for a comparative study, one with HCl 0,1 M and agitation at room temperature, considered a milder method for metal extraction from anthropogenic origin, and another with HNO{sub 3} 8 M and microwave heating, considered as an alternative to more complex methods of total digestion, since it provides a good evaluation of the total concentration of the elements. The sediment quality evaluation was realized by comparing the concentration values of the elements As, Cd, Cr, Cu, Hg, Ni, Pb and Zn with the quality guidelines (TEL and PEL) adopted by Canadian Council of Minister of the Environment (CCME), to thereby contribute to the environmental quality of the water of the Araguaia-Tocantins river system. (author)

  6. Desempenho de ovelhas nativas em confinamento recebendo palma-forrageira na dieta na região do semiárido nordestino Performance of native ewes under feedlot system receiving spineless cactus in diet in Brazilian semiarid region

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    Cicília Maria Silva de Souza

    2010-05-01

    Full Text Available O experimento foi conduzido com o objetivo de avaliar o ganho de peso, o consumo e a digestibilidade aparente dos nutrientes de dieta à base de palma forrageira em ovelhas nativas confinadas na região do semiárido nordestino. Foram testadas duas formas de oferecimento da palma-forrageira (Opuntia ficus-indica: separada da mistura feno de capim-tifton + concentrado e junto da mistura feno + concentrado. Utilizaram-se 40 fêmeas das raças nativas Barriga-preta, Cara-curta, Cariri e Morada Nova, com peso inicial médio de 36,76 kg, distribuídas em delineamento inteiramente casualizado, em arranjo fatorial 4 × 2, com quatro raças e duas estratégias de alimentação. Os genótipos e as estratégias de alimentação influenciaram os consumos médios de fibra em detergente neutro e nutrientes digestíveis totais e os coeficientes de digestibilidade aparente da fibra em detergente neutro. O genótipo influencia o ganho de peso e a conversão alimentar em ovelhas alimentadas com palma forrageira na dieta, uma vez que animais das raças Cariri e Cara-curta apresentam maiores ganhos de peso.The experiment was carried out with the objective of evaluating the weight gain, intake of nutrients, and the apparent digestibility of diets based on spineless cactus in native ewes in feedlot system in Brazilian semiarid region. Two spineless cactus feeding strategies were evaluated: spineless cactus (Opuntia ficus-indica separated from the Tifton hay + concentrated mixture, and with Tifton hay mixture + concentrate. It was used forty native breed ewes (Barriga Preta, Cara Curta, Cariri and Morada Nova, with average initial body weight of 36.76 kg, distributed in a complete randomized design in a 4 × 2 factorial scheme (four breed and two feeding strategies. The genotypes and feeding strategies neutral fiber detergent had effect on the average intake of neutral fiber detergent and total digestible nutrient, and on the coefficients of neutral fiber detergent

  7. Incidencia de la Segmentación en la Obtención de Región de Interés en Imágenes de Palma de la Mano

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    Maribel Arroyave-Giraldo

    2011-12-01

    Full Text Available Una de las mayores dificultades en el reconocimiento de patrones y en particular en sistemas biométricos basados en la palma de la mano, es obtener en el preprocesamiento un adecuado cálculo de la región de interés (Region Of Interest, ROI, debido a que ésta influye directamente en los resultados finales del sistema de identificación. Este artículo presenta una comparación entre imágenes que contienen la región de interés de la palma de la mano, obtenidas mediante el uso de técnicas de umbralización, Otsu y Huang para la base de datos PolyU y Otsu e Isodata para la base de datos CASIA. También se realizaron pruebas con dos métodos para la ubicación del cuadrado correspondiente a la ROI, utilizando como medidas de similitud: la correlación, la información mutua, el error cuadrático medio, la relación de uniformidad de la imagen y el área común entre las imágenes, Todo esto, para determinar qué tan similares o diferentes son las imágenes generadas por diferentes métodos de ubicación de ROI y por distintos métodos de umbralización. Esta investigación demostró que efectivamente el cambio de los métodos de umbralización generan cambios en la ROI de la palma de la mano ya que la localización de los puntos valle cambia según el método utilizado. Se concluye finalmente que al variar el método de umbralización, las imágenes generadas por cada método son diferentes y al variar el método de obtención de la ROI la variación es mayor.

  8. Utilização de técnicas multivariadas na avaliação da divergência genética entre clones de palma forrageira (Opuntia ficus-indica Mill.

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    Ferreira Carlos Adonai

    2003-01-01

    Full Text Available Avaliou-se, por meio de técnicas multivariadas, a divergência genética entre clones de palma forrageira (Opuntia ficus-indica Mill., em um experimento instalado na Estação Experimental da Empresa Pernambucana de Pesquisa Agropecuária - IPA, Caruaru - PE. O delineamento foi em blocos casualizados, com três repetições. Os tratamentos foram 19 clones de palma do Banco de Germoplasma do IPA. Foram mensuradas: a medidas em artículos, conforme a ordem: comprimento, largura, espessura, número e peso da matéria verde. b medidas por planta: presença de espinho, número de artículos por ordem e total, altura total, infestação por cochonilha e peso da matéria verde. Realizaram-se análises de variância univariada (ANOVA e multivariada (MANOVA, das variáveis canônicas (VC e de agrupamento (AA. Na ANOVA, foi verificada diferença entre as médias de clones e por meio da MANOVA, diferença entre vetores de médias de clones. Com a aplicação da VC, foi possível reduzir a dimensionalidade original para duas dimensões, com explicação de 85,03% da variação total. Foi considerada, como característica passível de descarte, a porcentagem de infestação por cochonilha. Na AA discriminaram-se nove grupos. A característica porcentagem de infestação por cochonilha não deve ser incluída no estudo da diversidade genética nas condições estudadas. As características de maior discriminação foram espessuras dos artículos primário, secundário e terciário, número de artículo primário e pesos médios de matéria verde por artículos secundário e terciário. Em um programa de melhoramento de palma forrageira, devem-se considerar o grupo de clones e o desempenho do clone quanto às características de maior relevância agronômica e zootécnica.

  9. Efeito da interesterificação química sobre as propriedades físico-químicas de misturas de estearina e oleína de palma

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    Fabiana Andreia Schafer de Martini Soares

    2010-01-01

    O desafio das indústrias de alimentos na substituição da gordura trans em diversos produtos reside no desenvolvimento de formulações e processos que apresentem funcionalidade equivalente e viabilidade econômica. A interesterificação química representa uma opção tecnológica importante para a produção de gorduras visando diversas aplicações comerciais, sem a formação de ácidos graxos trans. O óleo de palma contém quantidades aproximadamente iguais de ácidos graxos saturados e insaturados e pelo...

  10. Elaboração e caracterização físico-química e microbiológica da farinha da palma (Opuntia fícusindica Mill em diferentes temperaturas

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    D. S. Severo

    2015-11-01

    Full Text Available A Palma forrageira (Opuntia fícusindica Mill é uma cactácea originária do México, porém bastante cultivada na região semiárida do nordeste. Na alimentação humana, geralmente, são usados em preparações culinárias os brotos de palma, os frutos in natura ou processados. Uma das maneiras de diversificar o uso da palma forrageira seriam a secagem e sua transformação em farinhas para incorporação em diversos produtos. Desta forma o objetivo deste trabalho foi avaliar a qualidade físico-química e microbiológica da farinha. As amostras foram coletadas na zona rural e transportadas para o laboratório do Centro Vocacional e Tecnológico /UFCG – Campus Pombal – PB, as mesmas foram desidratadas até a total retirada da umidade em estufa de circulação de ar nas seguintes temperaturas: 70, 80 e 90 °C, posteriormente passaram por um liquidificador industrial, em seguida por um moinho de facas para a obtenção da farinha. Após a obtenção foram realizadas as análises microbiológicas e analises físico-químicas. O emprego na alimentação humana, a palma forrageira é um grande potencial produtivo do Semiárido com alternativas sustentadas de desenvolvimento.Preparation and physical chemistry and microbiological characterization of flour palm ( Opuntia fícusindica Mill at different temperaturesAbstract: The Spineless cactus ( Opuntia fícusindica Mill is a cactaceous originally from Mexico, but rather grown in semi-arid region of the northeast. For human consumption, generally, they are used in culinary preparations the palm shoots, os frutos in natura ou processados. One way to diversify the use of cactus would be drying and processing into meal for incorporation into various products. Thus the aim of this study was to evaluate the physical - chemical and microbiological quality of the flour. The samples were collected in the countryside and transported to the laboratory and Technological Vocational Center / UFCG - Campus

  11. Alterações dos óleos de palma e de soja em fritura descontínua de batatas Palm and soybean oils alterations in the discontinued frying of potatoes

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    Eliana Rodrigues Machado

    2008-12-01

    Full Text Available Óleos de palma e de soja foram utilizados em experimentos de fritura de batatas em fritadeiras elétricas domésticas de 1 L com relação inicial, superfície sobre volume, de 0,3 cm-1. Em cinco dias consecutivos cada óleo foi submetido por um período de 5 horas por dia à temperatura de (183,1 ± 1,7 °C. Após 25 horas, a perda de ácidos graxos foi de 15,0 e 62,2% (m/m, respectivamente, para os ácidos oléico e linoléico, no óleo de palma; e de 6,5; 24,9 e 39,7% (m/m, respectivamente, para os ácidos oléico, linoléico e linolênico, no óleo de soja. Os teores inicial e final de polímeros foram de 0,4 e 23,7% (m/m no óleo de palma, e de 0,5 e 30,7% (m/m no óleo de soja. A relação entre a perda dos ácidos graxos e a formação de polímeros mostrou uma correlação forte com coeficientes de correlação de 0,9951 e 0,9740 para os óleos de palma e de soja, respectivamente. Concluiu-se que maiores graus de alteração ocorreram em ácidos graxos mais insaturados; e que a alteração pode ser eficazmente verificada através da determinação quantitativa de polímeros.Palm and soybean oils were used in experiments of frying of potatoes in 1 L, household electric deep fryers with a surface-to-volume ratio of 0,3 cm-1. The oils were heated for five hours every day for five consecutive days at a temperature of 183.1 ± 1.7 °C. the evaluation of oil degradation was followed by the increase of polymer contents and changes in fatty acid composition. After 25 hours, the loss of fatty acids were 15.0 and 62.2% for oleic and linoleic acid, respectively in palm oil and 6.5, 24.9 e 39.7% for oleic, linoleic, and linolenic acid, respectively in soybean oil. The content of polymers ranged from 0.4 to 23.7% and from 0.5 to 30.7% for palm and soybean oils, respectively. Linear association between the loss of total unsaturated fatty acids and polymers formation presented high correlation coefficients (0.9951 and 0.9740 for palm and soybean oils

  12. Enriquecimento protéico da palma forrageira com Saccharomyces cerevisiae para alimentação de ruminantes Protein enrichment of cactus pear with Saccharomyces cerevisiae for ruminants feeding

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    L.F. Araújo

    2008-04-01

    Full Text Available Avaliou-se o processo de enriquecimento protéico da palma forrageira (Opuntia ficus-indica Mill com levedura Sacharomyces cerevisiae em cultivo semi-sólido, visando melhorar o valor nutritivo da palma para ser utilizada na alimentação de ruminantes. A levedura foi utilizada nas concentrações de 1, 2 e 3% em base úmida no substrato formado pela palma forrageira, incubada em biorreatores durante 6, 12, 24 e 36 horas de fermentação. O delineamento experimental foi inteiramente ao acaso, em arranjo de parcelas subdivididas com quatro repetições. O conteúdo de proteína bruta quando se utilizou concentração de 3% de inóculo, no período de seis horas, aumentou de 4,4% na forma in natura para 10,4% após o processamento. Os teores protéicos na concentração de 1% do inóculo foram de 6,1, 8,1, 8,1 e 9,2%; na concentração de 2%, 9,6, 9,7, 9,8 e 9,8% e na concentração de 3%, 10,4, 10,4 7,9 e 7,9%, nos períodos de 6, 12, 24 e 36 horas de fermentação, respectivamente. Uma fonte alternativa para arraçoamento de ruminantes, pode ser obtida pela bioconversão da palma forrageira.The process of protein enrichment of the forage palm (Opuntia ficus-indica Mill using the Saccharomyces cerevisiae yeast in a semi-solid culture to improve the nutritional value of forage palm for ruminants feeding was evaluated. The yeast concentrations of 1, 2 and 3% (wet basis in the forage palm substrate were used. The periods of incubation were of 6, 12, 24, and 36 hours. A complete randomized experimental design in a split plot arrangement with four replicates was used. The crude protein content increased from 4.4% (in natura to 10.4% when 3% of inoculums were used and the processing period was of 6 hours. The observed protein contents for 1% of the inoculum, used for the fermentation periods of 6, 12, 24, and 36 hours were 6.1, 8.1, 8.1, and 9.2%, respectively. These values were 9.6, 9.7, 9.8, and 9.8% for 2% of the inoculum, and 10.4, 10.4, 7.9, and 7

  13. Modelagem matemática da desidratação osmo-convectiva da palma forrageira (Opuntia fícus-indica Mill utilizando soluções mistas

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    E. T. Silva

    2015-12-01

    Full Text Available Objetivou-se nesse estudo avaliar a influência de pré-tratamentos osmóticos utilizando secagem convectiva complementar no processo de perda de água, ganho de sólidos e nos parâmetros de qualidade (cor, atividade de água e textura de cladódios de palma forrageira. O Cladódio foi submetido à desidratação osmótica utilizando soluções mistas contendo 5% de NaCl e concentrações de sacarose de 50 e 60 °Brix, em diferentes proporções palma/solução (1:1, 1:4 e 1:10 a 40°C. Posteriormente foi realizada secagem convectiva a 50 e 60 °C. Foram utilizados, para ajuste aos dados experimentais da secagem, os modelos matemáticos de Page, Henderson & Pabis, Cavancanti Mata, Exponencial de Dois Termos e Midilli. O cladódio de palma in natura e desidratado foi caracterizado quanto aos parâmetros de cor, atividade de água e textura. O aumento da perda de massa foi proporcional ao aumento da proporção cladódio/solução utilizada na desidratação osmótica e o ganho de sólidos foi maior para a concentração de 50 °Brix. O modelo matemático de Midilli foi o que melhor se ajustou aos dados experimentais. Os parâmetros de cor, atividade de água e textura foram modificados pelas condições de desidratação osmótica e de secagem as quais o cladódio de palma foi submetido. O cladódio desidratado a 50 °C apresentou melhor preservação da cor, maior resistência ao corte e menor atividade de água.  Mathematical modeling of osmo-convective dehydration of the cactus pear (Opuntia ficus-indica Mill using mixed solutionsAbstract: The objective of this study was to evaluate the influence of osmotic pre-treatments with complementary convective drying in the water loss process and solids gain of cactus pear cladodes, to obtain palm for human consumption. The cladode was subjected to osmotic dehydration using mixed solutions containing 5% NaCl and sugar concentrations of 50 and 60 °Brix in different proportions palm/solution (1:1, 1

  14. ANÁLISIS DE LA DIVERSIDAD FENOTÍPICA DE VARIEDADES DE FRIJOL (P. vulgaris L. UTILIZADAS POR LOS CAMPESINOS EN LA COMUNIDAD "LA PALMA" EN PINAR DEL RÍO

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    María E. Viñals

    2002-01-01

    Full Text Available Con el objetivo de evaluar la diversidad fenotípica de las variedades de frijol utilizadas por los campesinos en la comunidad de "La Palma" en Pinar del Río, para su posterior uso en el fitomejoramiento participativo, se desarrolló este experimento en las áreas del Instituto Nacional de Ciencias Agrícolas (INCA, San José de las Lajas. Para su ejecución se seleccionaron 57 materiales de diversos colores y tamaños de granos, que incluyó materiales procedentes de una comunidad campesina en "La Palma", Pinar del Río, del Instituto Nacional de Investigaciones Fundamentales de Agricultura Tropical (INIFAT y materiales donados por el Instituto de Investigaciones Hortícolas "Liliana Dimitrova", los cuales fueron sembrados en épocas temprana y tardía en el período comprendido desde octubre de 1999 hasta abril del 2000 en bloque completamente aleatorizado con cuatro surcos por parcelas de 4 m y con la utilización de mínimos insumos. Se evaluaron las variables: días a la floración, días a la cosecha, rendimiento, peso de 100 semillas, número de semillas/planta y susceptibilidad frente a bacteriosis o roya, según fecha de siembra. Las variables estudiadas se procesaron estadísticamente mediante análisis univariados y multivariados, y de acuerdo con los resultados obtenidos se concluye que los campesinos pueden jugar un papel importante en el mejoramiento de las plantas, ya que las variedades que ellos han seleccionado y utilizan pueden superar a las variedades comerciales y precomerciales.

  15. Calibração de sondas capacitivas, funções físico-hídricas e variação do armazenamento de água em um argissolo cultivado com palma forrageira

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    Jorge Torres de Araújo Primo

    2015-02-01

    Full Text Available Objetivou-se, com este trabalho, realizar a calibração de três sondas capacitivas, visando a utilizá-las na definição de funções físico-hídricas e na análise da variação espacial e temporal do conteúdo (q e do armazenamento de água, em um Argissolo Vermelho-Amarelo, cultivado com três clones de palma forrageira, no Semiárido pernambucano. O estudo foi executado numa área experimental situada em Serra Talhada, PE. Para isso, foi realizada a calibração de três sondas capacitivas, usando-se dados de densidade aparente do solo, de umidade gravimétrica e de frequências relativas, em cinco condições de umidade do solo. Aplicou-se o método do perfil instantâneo, para determinação do fluxo vertical de água, e do potencial matricial de água no solo. Em seguida, analisou-se a variação espaço-temporal do q e do armazenamento de água no solo. As medidas de frequência relativa das sondas capacitivas apresentaram elevada relação com os dados de q (R2 > 0,87. A partir do método do perfil instantâneo, foi possível determinar as funções da condutividade hidráulica e do potencial total de água no solo, em relação ao q, com elevados coeficientes de determinação (R2 > 0,91. Não houve diferenças significativas do q entre os clones de palma forrageira.

  16. Caracterización fisiológica y morfológica de palmas de aceite taisha (Elaeis oleífera HBK cortés) y sus híbridos (Elaeis oleífera HBK cortés x Elaeis guineensis jacq.) En la región Amazónica del Ecuador

    OpenAIRE

    López Murcia, Jesús Edgardo

    2014-01-01

    Los híbridos de palma de aceite son la alternativa actual contra Pudrición de Cogollo, la enfermedad de mayor importancia económica en América Tropical. En la Región Oriental Amazónica del Ecuador se realizó la caracterización morfológica y fisiológica de palma americana de aceite Taisha y sus híbridos Taisha x Avros y Taisha x La Mé con el objetivo de analizar y comparar sus características morfo-fisiológicas. Se hicieron determinaciones de fotosíntesis, concentración interna de CO2, conteni...

  17. Palma forrageira em substituição ao feno de capim-elefante: efeito sobre consumo, digestibilidade e características de fermentação ruminal em ovinos Spineless cactus in replacement of elephantgrass hay: effect on intake, apparent digestibility and ruminal fermentation characteristics in sheep

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    Safira Valença Bispo

    2007-12-01

    Full Text Available Este experimento foi realizado com o objetivo de avaliar o efeito da substituição do feno de capim-elefante por palma forrageira (Opuntia ficus indica, Mill, como fonte de forragem, sobre o consumo e a digestibilidade aparente dos nutrientes e das características ruminais de carneiros. Cinco dietas isoproteícas foram formuladas, em que a palma forrageira substituiu 0, 14, 28, 42 e 56% do feno de capim elefante na dieta. Cinco ovinos machos não-castrados foram distribuídos em um delineamento em quadrado latino 5 x 5 (cinco períodos, cinco níveis de palma e cinco repetiç��es. Cada período experimental teve duração de 13 dias - sete para adaptação e seis dias para coleta de dados e amostras. Os consumos de MS, MO, EE, PB, CT, CNF e NDT aumentaram linearmente com a substituição do feno de capim-elefante por palma forrageira na dieta. O consumo de água diminuiu linearmente e o de FDN apresentou efeito quadrático com a substituição do feno de capim-elefante por palma forrageira na dieta. Os coeficientes de digestibilidade aparente de EE, PB, CNF e FDN não foram influenciados, enquanto os de MS, MO e CT aumentaram linearmente com a substituição do feno de capim-elefante por palma forrageira na dieta. O pH e a concentração de NH3 ruminal decresceram linearmente com a substituição do feno de capim-elefante por palma forrageira na dieta. A substituição do feno de capim-elefante por palma forrageira na dieta melhora a ingestão e o aproveitamento dos nutrientes.A study was conducted with the objective to evaluate the effects of replacing elephant-grass by spineless cactus (Opuntia ficus indica, Mill as a forage source on intake, apparent digestibility of the nutrients and of ruminal fermentation characteristics of sheep. Five iso-nitrogenous diets were formulated where spineless cactus replaced 0, 14, 28, 42 and 56% of elephantgrass in the diet. Five non-castrated male sheep were allotted to a 5 x 5 Latin square design

  18. PRODUÇÃO E ASPECTOS QUALITATIVOS DO LEITE DE VACAS JERSEY DURANTE PERÍODO INICIAL DE SUPLEMENTAÇÃO DE GORDURA PROTEGIDA DE ÓLEO DE PALMA

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    Mikael Neumann

    2015-12-01

    Full Text Available The objective was to evaluate the effects of by pass fat supplementation of a palm oil source provided in the initial phase under the aspects of daily milk production, daily milk production corrected to 4% fat, fat, solid total, total protein and lactose in milk. The experiment was conducted on the premises of the Didactic Unit Dairy Cattle (DUDC in Midwest State University (UNICENTRO. Eight Jersey cows were used in the same stadium lactation, age and birth order. The cows were supplemented for five days at a dose of 400g cow day-1. The experimental design was a simple reversal with two periods of 5 days of data collection. The protected palm oil fat supplemented in a short period of 5 days at the dose of 400g animal day-1, were unable to change (P> 0.05 production and milk quality aspects. Although the cows had a great acceptability of by pass fat supplementation with palm oil in the proportion of 400 g cow day-1, however, did not generate quantitative and qualitative immediate benefits in milk production. O objetivo do trabalho foi avaliar os efeitos da suplementação de gordura protegida de óleo de palma proporcionados na fase inicial de seu fornecimento sob aspectos de produção diária de leite, produção diária de leite corrigida para 4% de gordura, teores de gordura, sólidos totais, proteína total e lactose do leite. O experimento foi conduzido nas instalações da Unidade Didática de Bovinocultura Leiteira (UDBL da Universidade Estadual do Centro-Oeste (UNICENTRO. Foram utilizadas oito vacas da raça Jersey em mesmo estádio lactacional, idade e ordem de parto. As vacas foram suplementadas por cinco dias em dose de 400 g vaca dia-1. O delineamento experimental foi o de simples reversão com dois períodos sucessivos de 5 dias de coleta de dados. A gordura protegida de óleo palma suplementada em curto período de 5 dias na dose de 400 g animal-1, não foi capaz de alterar (P>0,05 a produção e os aspectos qualitativos do leite

  19. Diversificación de productos y segmentación de la demanda turística en la isla de La Palma: aplicaciones de cara a la política turística

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    Díaz Pérez, Flora M

    2003-01-01

    Full Text Available The Canary Islands have traditionally been a destination for mass tourism, a fact that is not, however, necessarily incompatible with a growing trend towards segmentation in tourist markets. In fact, the experience of other traditional destinations, like the Balearic Islands, shows that the two trends can take place at the same time. This article presents the results of a segmentation study carried out on a representa-tive sample of the tourist market for the island of La Palma (Canary Islands in early 2002. More specifi-cally, we cross demand segments and services to study a possible imbalance between tourist expectations for the services offered and the services that are actually contracted in the destination. The segments studied were: nationality (German and Spanish, income and type of establishment; and the services studied: excur-sions, recreational activities in general and sports activities in particular. The results show that the best posi-tive response to the destination is found for excursions for both nationalities. For the other services offered, however, (recreational activities and more specifically sports activities, the response differs substantially from one nationality to another, suggesting that the destination in general is in a better position to cover the contracting expectations of Spanish domestic tourism. In summary, the results of the study lead us to con-clude that the cultural factors associated with nationality have the strongest influence on defining tourist service consumer behaviour

  20. CARACTERIZACIÓN DE LOS SISTEMAS LOCALES DE MANEJO DE LA SEMILLA DE YUCA (Manihot esculenta Crantz EN DOS LOCALIDADES DEL MUNICIPIO LA PALMA, PINAR DEL RÍO

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    L. Suárez

    2005-01-01

    Full Text Available Se aplicó un grupo de encuestas como parte de la etapa de diagnóstico del Proyecto Internacional de Biotecnología Participativa, realizadas a los campesinos de dos comunidades, Canalete y Puesto Escondido, ubicadas en San Andrés, porción norte del municipio La Palma, Pinar del Río. El estudio mostró que el acceso de la comunidad a semillas provenientes del sistema formal es escaso, por lo que la producción, selección y conservación de semillas es realizada por los campesinos en sus propias fincas y el intercambio ocurre entre los propios campesinos, los que siembran variedades y/o clones locales, los cuales presentan cierta resistencia a las plagas y enfrermedades presentes en la últica década. Este estudio señala la necesidad de un flujo nuevo y constante de genes, que brinde la posibilidad a los campesinos de acceder a nuevas variedades y seleccionar aquellas con características de adaptabilidad a las condiciones específicas de cada localidad.

  1. Levantamento estratigráfico das Formações Superficiais Cenozóicas no Planalto de Palmas (PR e Água Doce (SC: subsídio ao estudo da evolução da paisagem a partir do Estágio Isotópico Marinho 3 / Statigraphic Research about the Cenozoic Superficial Formations at Palmas (PR and Agua Doce (SC Plateau: subsidy to the study of the evolution of landscape from the Marine Isotopic Stage

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    Simone Guerra

    2012-11-01

    Full Text Available O artigo apresenta informações do levantamento estratigráfico das Formações Superficiais Cenozóicas no Planalto de Palmas (PR e Água Doce (SC: subsídio ao estudo da evolução da paisagem a partir do Estágio Isotópico Marinho 3 (EIM3, através da descrição de duas seções estratigráficas, bem como a utilização de informações da seção guia estabelecida previamente. Nas seções foram levantados depósitos de colúvio, colúvio–aluviais, solos enterrados e paleocanais de 1ª e 2ª ordem colmatados. Os resultados evidenciaram registros estratigráficos com idades do Pleistoceno Superior ao Holoceno, referentes aos EIM 3,2 e 1 . No geral, a paisagem possui sua evolução relacionada a fases alternadas de estabilidade/instabilidade, com processo de degradação/agradação e pedogênese com formação de Neossolos.

  2. Caroço de algodão em dietas à base de palma forrageira para vacas leiteiras: síntese de proteína microbiana Whole cottonseed in forage cactus based diets: synthesis of microbial protein

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    Airon Aparecido Silva de Melo

    2007-08-01

    Full Text Available Objetivou-se avaliar o efeito da inclusão de caroço de algodão em substituição parcial à silagem de sorgo e ao farelo de soja em dietas à base de palma forrageira sobre a produção de proteína microbiana, a eficiência de síntese de proteína microbiana e as concentrações de uréia na urina e de uréia e N-uréia no plasma e no leite de vacas holandesas em lactação. Foram utilizados cinco animais aos 50 dias de lactação, distribuídos em quadrado latino 5 × 5. Os tratamentos consistiram de cinco níveis (0,0; 6,25; 12,50; 18,75 e 25,00% de inclusão de caroço de algodão na MS da dieta. A inclusão de caroço de algodão na dieta não influenciou a síntese de nitrogênio ou proteína microbiana, cujos valores médios foram 295,08 e 1.844,27 g/dia, respectivamente. As eficiências de síntese de nitrogênio e proteína microbiana diminuíram linearmente, em proporções de 0,30 e 1,43 g para cada 1% de caroço de algodão na dieta, respectivamente. Os níveis de uréia na urina e de uréia e N-uréia no plasma e no leite não foram afetados pela inclusão de caroço de algodão na dieta. Portanto, em dietas à base de palma forrageira, a inclusão de caroço de algodão em níveis de até 25% da MS não interfere na síntese de proteína microbiana e nas concentrações de uréia.The objective of this trial was to investigate the effects of partial replacement of sorghum silage and soybean meal with whole cottonseed on microbial protein synthesis and efficiency and nitrogen metabolism in lactating Holstein cows receiving forage cactus based diets. Five animals were randomly assigned to a 5 × 5 Latin square design and were fed diets containing (% of DM: 0.0, 6.25, 12.50, 18.75, and 25.00% of whole cottonseed. Inclusion of whole cottonseed in the diet did not affect microbial nitrogen and microbial protein synthesis, which averaged 295.08 and 1844.27 g/day, respectively. Microbial protein synthesis and microbial nitrogen

  3. Desempenho leiteiro de vacas alimentadas com caroço de algodão em dieta à base de palma forrageira Dairy cows performance fed whole cottonseed in a forage of cactus-base diet

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    Airon Aparecido Silva de Melo

    2006-07-01

    Full Text Available Este trabalho teve como objetivo avaliar o efeito da inclusão do caroço de algodão em dietas à base de palma forrageira (Opuntia ficus indica Mill., sobre o desempenho de vacas da raça Holandesa em lactação. O experimento foi feito com cinco vacas, com média de 50 dias de lactação, distribuídas em quadrado latino 5x5. Os tratamentos experimentais foram constituídos da inclusão de caroço de algodão em 0, 6,25, 12,50, 18,75 e 25% da matéria seca da dieta. O caroço de algodão aumentou o consumo de matéria seca, extrato etéreo, nutrientes digestíveis totais, cálcio e fósforo; porém não afetou o consumo de proteína bruta e fibra em detergente neutro. O caroço de algodão aumentou a produção de leite corrigido para 3,5% de gordura (de 26,53 para 31,68 kg por dia, e a produção de gordura do leite (de 0,86 para 1,09 kg por dia; não afetou, porém, a produção de leite sem correção (31,19 kg por dia, a porcentagem de gordura do leite (3,18% e a eficiência alimentar (1,31 kg de leite corrigido por quilograma de matéria seca consumida. O caroço de algodão melhorou o desempenho animal, quando incluído em até 25% da matéria seca em dietas à base de palma forrageira.The effect of the whole cottonseed on dairy cows performance fed forage cactus (Opuntia ficus indica Mill. diet was evaluated. Experiment was made with five Holstein cows, in a 50-days lactation, which were placed into a 5x5 latin square design. The whole cottonseed was added as a partial replacement of sorghum silage and soybean meal, in a level of 0, 6.25, 12.50, 18.75, and 25.00% of dry matter. It was observed that addition of whole cottonseed increased the dry matter, ether extract, total digestible nutrients, calcium and phosphorus intake, but did not affect the crude protein and neutral detergent fiber intake. Also, it increased the fat corrected milk yield 3.5% (26.53 to 31.68 kg per day and the fat milk yield (0.86 to 1.09 kg per day, but did not

  4. Polifenoles y Actividad Antioxidante del Fruto Liofilizado de Palma Naidi (Açai Colombiano (Euterpe oleracea Mart Polyphenols and Antioxidant Activity of the Freeze-Dried Palm Naidi (Colombian Açai (Euterpe oleracea Mart

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    Benjamín Alberto Rojano

    2011-12-01

    Full Text Available Euterpe oleracea es una palmera indígena autóctona de América del Sur. El fruto conocido como açaí en Brasil y palma naidi en Colombia, es de gran valor económico para los pueblos nativos. Para los análisis se usó una pulpa liofilizada, proveniente del Pacifico colombiano. Entre los muchos hallazgos, se presenta un alto porcentaje de minerales (6,94%, específicamente sodio, hierro y potasio. La palma naidi es rica en compuestos polifenólicos, tipo antocianinas (268,5 mg Cianidin-3-Glucosido/ 100 g de liofilizado donde el 95% de las antocianinas corresponden al Cianidin-3-Glucosido (255,1 mg/ 100 g de liofilizado y de otros compuestos fenólicos como los ácidos fenólicos: ferúlico (10,27 mg/100 g de liofilizado, caféico (7,06 mg/100 g de liofilizado, p-coumárico (2,81 mg/100 g de liofilizado y menor cantidad clorogénico 0,30 mg/100 g de liofilizado. Los polifenoles contribuyen a la capacidad antioxidante del naidi; medida por las técnicas ABTS, DPPH y FRAP y específicamente un valor ORAC (Hidrofílico (Oxygen Radical Absorbance Capacity de 98142,0 Micromol Tx/100 g de liofilizado; además un valor ORAC Lipofílico de 3194,1 Micromol Tx/ 100 g de liofilizado. Un valor ORAC total igual a 101336,1 Micromol Tx/ 100 g de liofilizado.Euterpe oleracea Mart is a native palm tree native of South America. The fruit known as açaí in Brazil and naidi palm in Colombia and is of great economic value to the native peoples. For the analysis was used freeze-dried pulp, from the Colombian Pacific. This fruit has a high percentage of minerals (6.94%, specifically sodium, potassium and iron. Naidi palm is rich in polyphenolic compounds, especially anthocyanins (268.5 mg cyanidin-3-glucoside per 100 g of freeze dried and phenolic acid as ferulic (10.27 mg/100 g of freeze dried , caffeic (7.06 mg/100 g of freeze dried, p-Coumaric (2.81 mg/100 g of freeze dried and fewer chlorogenic (0.30 mg/100 g of freeze dried; which provides high antioxidant

  5. Deep-fat frying of meat products in palm olein Fritura por imersão de produtos cárneos em oleína de palma

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    Cibele Cristina Osawa

    2012-12-01

    Full Text Available This study investigated the discontinuous frying of breaded meat products in palm olein in a 28 L-electric fryer maintained at 182 ºC for 8 hours a day. Three 400-500 g batches of meat products were fried for 4.5 minutes daily. For comparison purpose, thermoxidation tests were performed using inert material with added moisture and without the addition of f ood (heating only. The total polar compound content did not reach the 25% limit, and nor did the formation of polymerized products exceed 5%, which indicates the good frying performance of palm olein for frying. Other analytical parameters and rapid tests were also evaluated. The sensory attributes, such as odor, colour, and foam formation determined when the frying oils should be discarded. The addition of water to the inert material contributed to the final value of 1.00 ± 0.01% (in palmitic acid, while the oil subjected only to heating reached respectively 0.26 ± 0.02%, and the oils used to fry breaded meat and breaded chicken reached 0.38 ± 0.00% and 2.35 ± 0.01%, respectively. This suggests a protective effect of the water during frying since the oil subjected only to heating was more prone to degradation.Este artigo estudou a fritura descontínua de alimentos cárneos empanados em oleína de palma em uma fritadeira elétrica de 28 L, mantida a 182 ºC durante 8 horas por dia. Diariamente, três bateladas de 400-500 g de alimentos cárneos foram fritos durante 4,5 minutos. Para comparação, foram conduzidos testes de termoxidação com a adição de material inerte com umidade adicionada e sem a adição de alimentos (apenas aquecimento. O teor de compostos polares totais não atingiu o limite de 25% e a formação de compostos polimerizados também não ultrapassou 5%, refletindo a boa performance da oleína de palma para frituras. Outros parâmetros analíticos, assim como testes rápidos, foram avaliados. Os atributos sensoriais, tais como odor, cor e formação de fuma

  6. Relação entre características morfológicas e produtivas de clones de palma-forrageira Relationship between morphological characteristics and productivity of cactus forage clones

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    Nalígia Gomes de Miranda e Silva

    2010-11-01

    Full Text Available Objetivou-se avaliar a relação entre as características morfológicas e produtivas de clones de palma-forrageira para identificação daqueles que contribuem diretamente na produção. Foram avaliados 50 clones de palma-forrageira estabelecidos no palmal há cinco anos e submetidos ao primeiro corte dois anos antes da avaliação. Foram avaliadas as características da planta e do cladódio, e os dados foram analisados pela estatística descritiva, correlação de Pearson e pela análise de trilha das variáveis-independentes explicativas sobre a produção de matéria seca em t/ha/2anos (variável-dependente principal. A produção variou entre clones e foi maior nos clones 8, 782 e 418, cujas produções de matéria seca de 40,8; 18,1 e 12,1 t MS/ha/2anos, respectivamente. Houve baixa correlação entre quase todas as variáveis explicativas e a produção considerada variável principal, por isso, foi necessária a associação de características. As características altura associada à largura da planta explicaram melhor o potencial de produção de matéria seca em t/ha/2anos por apresentarem alta correlação com a produção (r = 0,71 e maior efeito direto (0,69. A seleção indireta e não-destrutiva para a produção deve ser baseada em plantas com maior altura e largura.This research evaluated the relationship among the morphological and productive characteristics of clones of cactus forage for identification of those that directly contribute to the production. It was evaluated 50 clones of cactus forage planted five years ago and submitted to the first cut two years before the evaluation. Characteristics of the plant and of the cladode were evaluated and data were analyzed by descriptive characteristics, Pearson correlation and by path analysis of the explanatory independent variables on the dry matter production in t/ha/2 years (main dependent variable. Production varied among clones and it was the highest in clones 8, 782 e 418

  7. Desarrollo de una ecuación matemática para el control de los carotenoides en el proceso de refinación del aceite crudo de palma en Venezuela

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    Pacheco de Delahaye, E.

    2004-12-01

    Full Text Available The objective of the present study is to control the factors that allow the stability of tcarotenoids during the refining process of crude palm oil in Venezuela. The correlation and interaction that exist among these factors were analyzed, through the experiment design. Two levels and several treatments were managed in order to obtain the desired correlation, which allows a greater domain of the refining process with favorable results in the retention of carotenes in the oil. The factors studied by the implementation of a design of factorial experiment 23 were: % of bleaching earth, temperature, and time in the deodorizer. The resulting individual effects as: Temperature (A, and Time (B, were significant, as well as the interaction temperature-time (AB for an α of 0.05.El presente estudio tiene como objetivo controlar los factores que permitan la estabilidad de los carotenoides en el proceso de refinación del aceite crudo de palma en Venezuela. Se analizó la correlación e interacción que existen entre dichos factores, a través del diseño de experimento, por lo cual se manejaron dos niveles y varios tratamientos para obtener la correlación buscada, permitiendo finalmente un mayor dominio del proceso de refinación con resultados favorables en la retención de los carotenos del aceite. Los factores estudiados mediante la implementación de un diseño de experimento factorial 23 fueron % de tierra blanqueadora, temperatura y tiempo en el desodorizador. Resultando que los efectos individuales como: Temperatura (A, y Tiempo (B, fueron significantes, así como la interacción temperatura-tiempo (AB para un  α de 0.05.

  8. Evaluación de la actividad antibacteriana de los extractos hexánicos de las inflorescencias de palmas comestibles de la sierra de Tabasco, México

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    Dora Centurión-Hidalgo

    2015-08-01

    Full Text Available Con el objetivo de buscar alternativas para la prevención y tratamiento de infecciones de origen alimentario, la actividad antibacteriana de los extractos crudos de dos palmas (Astrocaryum mexicanumLiebm. ex Mart. yChamaedorea cataractarumMart. contra tres bacterias (Staphylococcus aureusATCC 25923,Salmonella typhimuriumATCC 14028 yBacillus cereusATCC 11778 fue evaluada. La parte comestible de las inflorescencias de cada especie se secó a 40ºC por 48 horas, se molió y almacenó para su posterior estudio. Los extractos crudos de etanol y hexano, se obtuvieron mediante maceración a temperatura ambiente durante 24 horas con los respectivos solventes. La actividad antimicrobiana se evaluó mediante la técnica de difusión en agar con discos impregnados con el extracto crudo de cada especie. La determinación de la concentración mínima inhibitoria (CMI se realizó mediante el método de dilución en caldo y la concentración mínima bactericida (CMB sembrando las diluciones sin turbidez para observar la presencia de colonias bacterianas. Se encontró que los extractos hexánicos de la inflorescencia deC. cataractarumyA. mexicanumno presentaron actividad contraS. typhimurium. Ninguno de los extractos etanólicos presentó actividad antibacteriana a la concentración ensayada. La CMI del extracto hexánico de C. cataractarum fue de 3.85 mg ml-1paraB. cereus. Finalmente, se encontró que los extractos etanólicos de las especies estudiadas no presentaron una CMI ni CMB a la mayor concentración probada (60 mg ml-1.

  9. INCREMENTO DE LA DIVERSIDAD DE VARIEDADES DE TOMATE, SU ADOPCIÓN Y DISEMINACIÓN POR LOS PRODUCTORES EN LA COMUNIDAD EL TEJAR-LA JOCUMA, LA PALMA, PINAR DEL RÍO

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    Marta Alvarez

    2007-01-01

    Full Text Available Se muestran los resultados de la aplicación de métodos de FP en la selección, adopción y diseminación de variedades de tomate por los campesinos en la comunidad de El Tejar-La Jocuma, La Palma, Pinar del Río, con el objetivo de ampliar la diversidad de variedades de tomate y evaluar su impacto en la comunidad, la influencia del género, así como también el rol de los campesinos en la adopción y diseminación de estas. Los resultados se presentan en tres etapas: la primera, una feria de variedades de tomate convocada por los fitomejoradores y efectuada en el INCA, a la que asistieron campesinos, donde seleccionaron las variedades de su preferencia; la segunda, una feria convocada por uno de los campesinos de la comunidad, quien expuso las variedades que seleccionó en la feria del INCA y, por último, los resultados de las entrevistas a los campesinos, para conocer la efectividad de la introducción de variedades y su diseminación en la localidad. Se evidenció la necesidad de tomar en cuenta el género y los criterios de los productores en la selección de variedades e introducir nuevos conceptos y métodos de trabajo para fortalecer la interacción entre productores y fitomejoradores, con el fin de seleccionar las variedades de mayor adaptación específica a las condiciones de las fincas y que los propios campesinos puedan constituir agentes efectivos de diseminación de la variabilidad en la localidad. También las ferias contribuyeron a fortalecer el liderazgo de los campesinos en la comunidad a favor de esta.

  10. Substituição total do milho e parcial do feno de capim-tifton por palma forrageira em dietas para vacas em lactação: consumo e digestibilidade Total replacement of corn and partial of tifton hay by forage cactus in diets for lactating dairy cows: intake and digestibility

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    Veronaldo Souza de Oliveira

    2007-10-01

    Full Text Available Para avaliação do consumo e da digestibilidade aparente dos nutrientes de dietas contendo diferentes níveis (0; 12,0; 25,0; 38,0 e 51,0% de palma forrageira (Opuntia ficus indica Mill em substituição total ao milho (Zea mays L. e parcial ao feno de capim-tifton (Cynodon spp, foram utilizadas cinco vacas da raça Holandesa, distribuídas em quadrado latino 5 × 5. No início do experimento, os animais apresentavam 583 ± 7,07 kg de peso corporal (PC e período de lactação em torno de 110 dias. Cada período experimental teve duração de 17 dias, dez dias para adaptação dos animais à dieta e sete dias para coleta de dados. O consumo de MS (kg/dia, %PC e g/kg0,75 e os consumos de MO, EE, PB, carboidratos totais (CT, FDN, FDA e NDT (kg/dia diminuíram linearmente conforme aumentaram os níveis de palma forrageira na dieta. O consumo de CNF, no entanto, aumentou com a inclusão de palma forrageira na dieta. Os coeficientes de digestibilidade aparente de MS, MO, EE, PB, CT e CNF não foram influenciados pela inclusão de palma forrageira na dieta. Entretanto, o coeficiente de digestibilidade aparente da FDN reduziu linearmente com a inclusão de palma forrageira na dieta. A inclusão da palma forrageira nas dietas influenciou negativamente no consumo dos nutrientes e no coeficiente de digestibilidade da FDN.The experiment was conducted to evaluate the intake and apparent digestibility of the nutrients in diets containing different levels (0, 12.0, 25.0, 38.0, and 51.0% of forage cactus (Opuntia ficus indica Mill in total replacement of corn (Zea mays L. and partial of Tifton hay (Cynodon spp. Five Holstein cows were assigned to a 5x5 latin square. The animals showed an average of 583 ± 7,07 kg BW and lactation period around 110 days. Each experimental period lasted 17 days, 10 days for the adaptation of the animals to the diet and 7 days for data collecting. The DM intake (kg/day, %BW and g/kg0.75, and the intakes of OM, EE, CP, total

  11. A checklist to the wasps of Peru (Hymenoptera, Aculeata

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    Claus Rasmussen

    2009-07-01

    Full Text Available The first checklist to the 225 genera and 1169 reported species-group taxa of aculeate wasps of Peru is presented. The list is based on a literature survey and examination of Peruvian entomological collections and include locality references for each taxon. Bibliographic references for the identification of families, genera, and species are provided when available. The occurrence data are published in addition as a downloadable file (doi: 10.3897/zookeys.15.196.app.2.ds, doi: 10.3897/zookeys.15.196.app.3.ds, and 10.3897/zookeys.15.196.app.4.ds and were uploaded onto GBIF infrastructure simultaneously with the publication process. The following new combinations are proposed: Ancistroceroides cirrifer (Zavattari, 1912, Ancistrocerus epicus (Zavattari, 1912, and Stenodynerus corallineipes (Zavattari, 1912.

  12. In vitro germination and disinfestation of sweet cactus (Nopalea cochenillifera (L. Salm Dyck = Desinfestação e germinação de sementes de palma doce (Nopalea cochenillifera (L. Salm Dyck in vitro

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    Juliana Pereira de Castro

    2011-07-01

    Full Text Available This work aimed to promote in vitro seed germination and disinfestation of the sweet cactus. Seeds were submerged in alcohol at 70% for 1 min. and then treated with sodium hypochlorite solution at different concentrations: 0.0; 0.5; 1.0 and 1.5%. After thistreatment, the seeds were washed four times in distillated, deionized and autoclaved water. Seeds were inoculated in MS medium with different concentrations of sucrose (0.0, 2.5, 5.0, 7.5 and 10.0 g L-1. The experimental design was completely randomized in a factorialexperiment 4 x 5, with five replicates for treatments. Contamination, germination and seedling growth were evaluated. The results of the analysis of variance indicate that there were no significant interactions among factors. There was no significance for sucroseconcentrations on contamination but these treatments showed significant differences for seed germination and seedling growth (p . 0.01. At higher sucrose concentrations there was lower germination and smaller seedlings. There were significant differences betweenthe treatments with sodium hypochlorite for all traits analysed (p . 0.01. There was low contamination with the increase in sodium hypochlorite concentrations with higher germination percentage and taller seedlings.Este trabalho objetivou desinfestar e promover a germinacao de sementes de palma doce gin vitroh. As sementes foram mergulhadas em alcool a 70% por 1 min. e, posteriormente, imersas em solucao de hipoclorito de sodio nas concentracoes de 0,0; 0,5; 1,0 e 1,5% com tres gotas de Tween 20 por 10 min. e lavadas em quatro aguas bidestiladas estereis. As sementes foram cultivadas em meio MS suplementado com 0,0; 2,5; 5,0; 7,5 e 10,0% de sacarose. O delineamento experimental foi inteiramente casualizado, em esquema fatorial 4 x 5 (quatro concentracoes de hipoclorito de sodio e cincoconcentracoes de sacarose, com cinco repeticoes. Avaliou-se a contaminacao, germinacao e crescimento da plantula. Nao houve

  13. Indicadores de eficiência do uso da água e de nutrientes de clones de palma forrageira em condições de sequeiro no Semiárido brasileiro

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    Thieres George Freire Silva

    2014-06-01

    Full Text Available Objetivou-se avaliar a eficiência produtiva de três clones de palma forrageira resistentes à Cochonilha do Carmim, cultivados em condições de sequeiro no Semiárido brasileiro. Os clones avaliados foram IPA-Sertânia (IPA, Miúda (MIU e Orelha de Elefante Mexicana (OEM. Foram calculados os indicadores de eficiência do uso da água: produtividade da água da cultura (PA C, produtividade econômica da água (PEA e eficiência do uso de nutrientes (EUN, todos com base na água precipitada (Prec. e na evapotranspiração real da cultura (ETr. A ETr foi quantificada por meio do método do balanço de água no solo. Verificou-se que não houve diferença estatística entre a PA C em base seca (MS nos clones avaliados tanto em termos de Prec. como de ETr, mas eles diferiram em base fresca. A OEM foi o clone mais eficiente em base fresca (PA C(Prec. ~ 104,8 kg MV ha-1 mm-1; PA C(ETr. ~ 112,1 kg MV ha-1 mm-1, seguido pelo clone IPA, que também se mostrou eficiente quanto a ETr (PA C(ETr. ~ 101,1 kg MV ha-1 mm-1. A MIU foi o clone menos eficiente para o Semiárido brasileiro. Não houve diferença da PEA (PEA(Prec. ~ 35,4 R$ ha-1 mm-1; PEA(ETr. ~ 39,5 R$ ha-1 mm-1 e da EUN, com exceção da eficiência do uso do magnésio com base na ETr, que foi maior para OEM (EUN(Mg ~ 111,4 g ha-1 mm-1 e IPA (EUN(Mg ~ 77,4 g ha-1 mm-1, e do sódio com base na precipitação, que foi superior para os clones OEM (EUN(Mg ~ 4854,3 mg ha-1 mm-1 e MIU (EUN(Mg ~ 3383,6 mg ha-1 mm-1.

  14. Mejoras al programa de mantenimiento de máquinas deslodadoras para la extracción de aceite de palma // Improving the maintenance program of extracting fruit palm oil machines

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    Jesús Cabrera - Gómez

    2010-09-01

    Full Text Available ResumenLa aplicación de nuevos enfoques de mantenimiento a partir de la identificación de oportunidades demejora de la confiabilidad operacional y los elementos que la componen, es una necesidad paratodas las organizaciones que pretendan incrementar sus indicadores de eficiencia. Las máquinasque son objeto de estudio en el presente trabajo, pertenecen a una importante empresa cuyo objetoes la extracción de aceite a partir de los frutos de la palma africana. Estas máquinas son atendidas,en teoría, a partir de un programa de mantenimiento preventivo que ha demostrado limitaciones, todavez que la mayor parte de las intervenciones realizadas en los últimos años muestran un caráctereminentemente reactivo. A partir de la realización de un análisis en el que fueron establecidas lasfunciones, los fallos funcionales, los modos de fallo y sus efectos, se identificaron los requerimientosde mantenimiento de estas máquinas y las tareas necesarias para asegurar la continuidad de lasfunciones, las que se cocentraron en una propuesta de programa con marcada tendencia a lasactividades proactivas.Palabras claves: mantenimiento de equipos rotatorios, confiabilidad operacional, mantenimiento__________________________________________________________________________AbstractThe application of new maintenance approaches related with operational reliability improvement andits elements is a necessity for all enterprises that intend to increase efficiency indicators. The rotatingmachines studied in this paper belong to an important plant that extracts oil from African palm treefruits. These machines are submitted, in theory, to a preventive maintenance program, but actuallythe most of maintenance activities are reactive. An analysis in order to identify functions, functionalfailures, failure modes and failure effects was made. Maintenance tasks for assuring the continuity offunctions were also identified and concentred in a proposal with a very proactive

  15. Evaluación interdimensional de impactos ambientales sobre la dimensión física ocasionados por cultivos de palma aceitera y la ganadería extensiva en la selva húmeda tropical del Bajo Atrato, Chocó, Colombia

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    Cuesta Borja Teofilo

    2011-11-01

    Full Text Available Este artículo presenta un análisis interdimensional de daños ambientales ocasionados por proyectos palmeros y ganaderos en el Bajo Atrato. El proyecto se desarrolló en dos fases; en la primera, se consolidó la línea base, y en la segunda, se evaluaron los impactos ambientales en tres subfases: identificación de impactos, descripción de impactos por medio del modelo analítico por dimensiones y, por último, valoración y calificación de los impactos. Los resultados del proyecto indican: reducción de la disponibilidad de agua en el ámbito local; alteración de la red de drenaje natural de los suelos y erosión del suelo en riberas del río Curvaradó. Se concluye que los proyectos palmeros y ganaderos son incompatibles con las condiciones agroecológicas de la zona de estudio; y esta conclusión se sustenta en el hecho de que tanto el monocultivo de la palma aceitera como las pasturas exigen suelos en óptimas condiciones inexistentes en la zona, debido al alto contenido de humedad, a menos de que se haga una rigurosa intervención en el medio para responder a los requerimientos de la palma y de las pasturas, lo que tendría enormes impactos sobre los medios natural y humano.

  16. Palma Forrageira (Opuntia ficus indica Mill em Substituição à Silagem de Sorgo (Sorghum bicolor (L. Moench na Alimentação de Vacas Leiteiras Replacement of Forage Cactus (Opuntia ficus indica Mill for Sorghum Silage (Sorghum bicolor (L. Moench in the Dairy Cows Feeding

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    Walmir Lima Wanderley

    2002-02-01

    Full Text Available O experimento foi conduzido com o objetivo de avaliar o desempenho de vacas da raça Holandesa em lactação, alimentadas com rações contendo diferentes níveis (0, 12, 24 e 36% de palma forrageira (Opuntia ficus indica Mill em substituição à silagem de sorgo (Sorghum bicolor (L. Moench. Foram utilizadas oito vacas distribuídas em dois quadrados latinos (4x4. Cada período experimental teve duração de 21 dias, sendo 14 destinados à adaptação dos animais às rações e sete para coleta. Os consumos de matéria seca (MS, em kg/dia, % de PV e em relação ao peso metabólico (g/kg0,75, e matéria orgânica e carboidratos totais, expressos em kg/dia, não foram influenciados pela adição de palma na ração, apresentando valores médios de 20,18; 3,41; 167,80; 18,86; e 14,85, respectivamente. O consumo de carboidratos não-fibrosos, em kg/dia, aumentou, e os de fibra em detergente neutro, em kg/dia e % de PV, fibra em detergente ácido; proteína bruta e extrato etéreo, expressos em kg/dia, diminuíram linearmente com a inclusão de palma na ração. O consumo de sódio não foi influenciado pela adição de palma na ração, com valor médio de 29,45g/dia. Os consumos de potássio e magnésio aumentaram e o de fósforo diminuiu linearmente com a adição de palma na ração. Não houve efeito da inclusão de palma sobre a produção de leite com e sem correção para 3,5% de gordura, cujos valores médios foram de 25,01 e 26,97kg/dia, respectivamente. O teor de gordura do leite foi influenciado de forma quadrática, sendo o teor máximo estimado em 4,08%, com 20,51% de palma na ração. A conversão alimentar aumentou linearmente com a inclusão de palma.The experiment was conducted to evaluate the performance of lactating Holstein cows fed diet with different replacement levels (0, 12, 24 and 36% of forage cactus (Opuntia ficus indica Mill for sorghum silage (Sorghum bicolor (L. Moench. Eight cows were assigned to a two 4x4 latin

  17. Amerindian names of Colombian palms (Palmae

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    Diana Marmolejo

    2014-03-01

    Full Text Available A glossary of 1276 Amerindian names or name variants of palms is presented, representing at least 121 species in 64 aboriginal languages of Colombia. The species with documented names in the largest number of languages are Bactris gasipaes, Oenocarpus bataua, Mauritia flexuosa,Euterpe precatoria, andAstrocaryum chambira, which are five of the most used palms in South America. The languages with the largest number of named species are uitoto (48, tikuna (47, muinane (43, siona (34, sikuani (31 and miraña (30. These figures reflect the detailed studies carried out with these ethnic groups, besides the palm diversity of their territories and their knowledge about it. The names are presented in three separate lists –arranged by species, by language, and a global list of names that includes references for each individual record.

  18. A família Arecaceae (palmeiras no município de Lavras, MG

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    Joyce de Almeida Alves

    2010-06-01

    Full Text Available This work identified the species of Arecaceae that occur in the County of Lavras, MG and elaborated a dichotomousanalytical key for the species found. The survey was carried out in two stages: (1 survey the main squares and gardens (municipaland privately owned; (2 survey of the species close to the margins of the Lavras County federal, state and municipal highways. Thepalm trees found were photographed and identified in loco or through herbarium survey and related literature. Thirty nine specieswere found, 5 of which are native, distributed in 25 genera. The genera with the higher numbers of species were Syagrus (6, Dypsis(3 and Roystonea (3, making up 31.58% of the species. The native species Acrocomia aculeata and Syagrus romanzoffiana occurin most edges of the travelled roads. In the survey done in the main squares and gardens, the species of the genus Dypsis, Syagrusromanzoffina, Phoenix roebelenii and Caryota urens stood out.

  19. Phytotoxic and antioxidant activity of seven native fruits of Brazil

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    Marize Terezinha Lopes Pereira Peres

    2013-12-01

    Full Text Available We investigated antioxidant capacity, phenolic content and phytotoxic effects in seven species of fruit native to Brazil: Acrocomia aculeata, Hymenaea stigonocarpa, Tamarindus indica, Byrsonima intermedia, Psidium firmum, Myrciaria cauliflora and Ficus obtusifolia. Phytotoxic effects were assessed from crude ethanol extracts and semipurified fractions. In four of the seven fruits, total phenolic content, as determined by Folin-Ciocalteu assay, was higher in the peel than in the pulp. We found that total phenolic content correlated significantly with antioxidant capacity. High-performance liquid chromatography with diode array detection revealed the presence of the flavonoids quercetin and rutin in some fruits. We also evaluated the allelopathic effects of the crude ethanol extract and semipurified fractions. In most of the essays, the ethyl acetate fractions showed the highest level of activity.

  20. Composición mineral y comparación de raíces reservantes de variedades de batatas (Ipomoea batatas (L. Lam. cultivadas en la isla de La Palma, España

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    Adriana Isabel Montes Hernández

    2010-07-01

    Full Text Available Los minerales Na, K, Ca, Mg, Fe, Cu, Zn y Mn fueron determinados, mediante espectrofotometría de absorción atómica, en raíces de 15 variedades de batatas cultivadas en La Palma (De papa o maní, Parado, Cubana, Cubana de baselo gordo, Cubana de hoja redonda, Blanquita, Saucero o Lanzarotero, Pata de Gallo, Padrón de Seda, Alicantina, Amarillo de Año, De Lanzarote, Matojo, Matojo Fino y Rajada; las 5 primeras de cultivo corto y las 10 restantes de cultivo largo. Se realizó análisis de varianza y prueba de rango múltiple de Duncan a los datos de las variables estudiadas. Se calcularon los coeficientes de correlación de Pearson (r para establecer grados de relación de los minerales entre las variedades; prueba de t de Student para comparar clasificando a las muestras según ciclo de recolección (Temprana y Tardía; análisis factorial para interpretar las relaciones existentes a través factores y análisis discriminantes (de paso a paso con criterio de selección la lambda de Wilks (λ e introduciendo todas las variables validados a través de análisis de validación cruzada. El elemento mineral (en mg/kg presente en mayor concentración en la totalidad de las muestras fue K (2086 ± 418, seguido de Ca (974 ± 486 y Mg (244 ± 70, siendo el Zn el menos presente (1,12 ± 0,61. Las variedades con mayor contenido mineral fueron Alicantina (Ca: 1809 ± 327 y Cu: 2,97 ± 0,23 y Padrón de Seda (Mg: 435 ± 46 y Mn: 3,08 ± 0,49 y la de menor aporte fue Parado (Cu, Mn, Ca, K y Mg. Las variedades Tardías presentaron mayores concentraciones de Cu, Fe, Mn, Ca, K, Mg y menores de Zn y Na en relación a las variedades Tempranas (p < 0,05. Se evidenció que las concentraciones de Cu, Zn y Na presentaron alto número de correlaciones significativas. El análisis factorial permitió deducir que Mg, K y Fe son las variables que permiten caracterizar el sistema perdiendo un mínimo de información total. El porcentaje de casos originales

  1. Associação de palma forrageira com feno de maniçoba ou silagem de sorgo e duas proporções de concentrado na dieta de vacas em lactação

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    A.O. Ramos

    2015-02-01

    Full Text Available Objetivou-se avaliar a utilização da silagem de sorgo, feno de maniçoba e duas proporções de concentrado (10 e 15% na MS em dietas à base de palma forrageira na alimentação de vacas em lactação. Foram utilizadas oito vacas da raça Girolando, com peso vivo médio e produção inicial de 463 e 9,65kg, respectivamente, com 95 dias de lactação. O delineamento experimental utilizado foi o quadrado latino 4x4 em esquema fatorial 2x2 (feno de maniçoba e silagem de sorgo x 10% e 15% de concentrado, sendo utilizados dois quadrados simultâneos. Cada período experimental teve duração de 21 dias, sendo 14 de adaptação e sete para coleta de dados e amostras. Não houve interação entre volumosos e proporções de concentrado para nenhuma das variáveis avaliadas. Assim, os fatores foram analisados e discutidos separadamente. Os consumos de proteína bruta, fibra em detergente neutro e nutrientes digestíveis totais diferiram em função dos volumosos utilizados, com menores consumos para o feno de maniçoba (1,50; 4,10; 6,17kg/dia, respectivamente. A digestibilidade aparente da matéria seca, matéria orgânica, proteína bruta e fibra em detergente neutro diferiram de acordo com os volumosos, verificando menores valores para o feno de maniçoba (51,70; 53,91; 62,30 e 20,74%, respectivamente. A produção de leite com ou sem correção para 4% de gordura (9,65 e 9,1kg/dia, respectivamente e composição do leite não diferiram entre os volumosos, nem entre os níveis de concentrados. A eficiência de síntese de proteína microbiana diferiu entre os volumosos, sendo menor no tratamento com silagem de sorgo (99,46g/kg de NDT. A concentração de ureia no plasma diferiu entre as proporções de concentrado, com menores valores na dieta com 15% de concentrado (31,41mg/dL. Para o atendimento das exigências nutricionais e redução dos custos com suplementação, sugere-se o fornecimento de silagem de sorgo como volumoso e a proporção de

  2. Vegetative development of cultivars of palm oil from 14 to 34 months of age in ecosystems Roraima = Desenvolvimento vegetativo de cultivares de palma de óleo dos 14 aos 34 meses de idade em ecossistemas de Roraima

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    Francisco Clemilto da Silva Maciel

    2013-12-01

    Full Text Available The aim of this study was to evaluate the vegetative development of cultivars oil palm Elaeis guineensis Jacq from 14 to 34 months of age in the field in two ecosystems of Roraima. Two experiments were conducted, one in another area of savanna and forest area changes in the assessment of BRS C-2528, C-3701 and BRS BRS C-2301, in experimental design of randomized blocks with six replications. 18 reviews were conducted monthly from August 2008 to April 2010, the number of sheets issued, four leaf length (cm and girth circumference (cm. Analyses of variance individual and joint. For the statistical analysis of the characteristics evaluated test was used Scott-Knott at 5% probability. By comparing the averages of the characteristics evaluated in two environments, we found that, at 34 months old, the forest ecosystem plants had a higher number of leaves, leaf length greater than 4 and greater girth circumference, differing significantly the results obtained in the savanna ecosystem. In forest area changes, independent of cultivar evaluated, plants showed, 3.0 leaves emitted / month, four leaf growth of 8.9 cm / month and girth circumference of 9.6 cm / month, while in savanna, issued 2.5 leaves / month, 4 leaf length of 7.5 cm / month and girth circumference of 6.1 cm / month. It is concluded that changes in forest environment, cultivars have vegetative growth higher than in the environment of savanna. = Objetivou-se com este trabalho avaliar o desenvolvimento vegetativo de cultivares de palma de óleo Elaeis guineensis Jacq dos 14 aos 34 meses de idade no campo, em dois ecossistemas de Roraima. Foram conduzidos dois experimentos, sendo um em área de savana e outro em área de floresta alterada com a avaliação das cultivares BRS C-2528, BRS C-3701 e BRS C-2301, em delineamento experimental de blocos ao acaso com seis repetições. Foram realizadas 18 avaliações mensais, no período de agosto de 2008 a abril de 2010, quanto ao número de folhas

  3. Composición mineral y comparación de raíces reservantes de variedades de batatas (Ipomoea batatas (L. Lam. cultivadas en la isla de La Palma, España

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    Adriana Isabel Montes Hernández

    2010-06-01

    Full Text Available Los minerales Na, K, Ca, Mg, Fe, Cu, Zn y Mn fueron determinados, mediante espectrofotometría de absorción atómica, en raíces de 15 variedades de batatas cultivadas en La Palma (De papa o maní, Parado, Cubana, Cubana de baselo gordo, Cubana de hoja redonda, Blanquita, Saucero o Lanzarotero, Pata de Gallo, Padrón de Seda, Alicantina, Amarillo de Año, De Lanzarote, Matojo, Matojo Fino y Rajada; las 5 primeras de cultivo corto y las 10 restantes de cultivo largo. Se realizó análisis de varianza y prueba de rango múltiple de Duncan a los datos de las variables estudiadas. Se calcularon los coeficientes de correlación de Pearson (r para establecer grados de relación de los minerales entre las variedades; prueba de t de Student para comparar clasificando a las muestras según ciclo de recolección (Temprana y Tardía; análisis factorial para interpretar las relaciones existentes a través factores y análisis discriminantes (de paso a paso con criterio de selección la lambda de Wilks (λ e introduciendo todas las variables validados a través de análisis de validación cruzada. El elemento mineral (en mg/kg presente en mayor concentración en la totalidad de las muestras fue K (2086 ± 418, seguido de Ca (974 ± 486 y Mg (244 ± 70, siendo el Zn el menos presente (1,12 ± 0,61. Las variedades con mayor contenido mineral fueron Alicantina (Ca: 1809 ± 327 y Cu: 2,97 ± 0,23 y Padrón de Seda (Mg: 435 ± 46 y Mn: 3,08 ± 0,49 y la de menor aporte fue Parado (Cu, Mn, Ca, K y Mg. Las variedades Tardías presentaron mayores concentraciones de Cu, Fe, Mn, Ca, K, Mg y menores de Zn y Na en relación a las variedades Tempranas (p < 0,05. Se evidenció que las concentraciones de Cu, Zn y Na presentaron alto número de correlaciones significativas. El análisis factorial permitió deducir que Mg, K y Fe son las variables que permiten caracterizar el sistema perdiendo un mínimo de información total. El porcentaje de casos originales

  4. Valoración del rendimiento en función de la relación planta-suelo de la palma Astrocaryum standleyanum L. H. Bailey en el resguardo indígena Wounaan de Togoromá (Chocó, Colombia

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    Hernández Prieto Luz Aliette

    2002-06-01

    Full Text Available Desde hace 30 años las poblaciones de Astrocaryum standleyanumhan venido disminuyendo enla zona del delta del río San Juan, como respuesta al aprovechamiento destructivo que han em-pleado los Wounnan, para obtener la fibra con la que tejen los canastos de güerregue; de cuyacomercialización devengan su principal fuente de ingresos. Con la comunidad Wounnan deTogoromá se trabajó en la identificación de estrategias de manejo de A. standleyanumparaun mejor aprovechamiento. Este trabajo partió de la elaboración del diagnóstico del estadode las poblaciones en el resguardo. El cual incluyó la zonificación ecológica del territorio, laidentificación de los diferentes grados de intervención del bosque, la recopilación de la historiade uso de la palma, la caracterización del sistema de aprovechamiento para la elaboración dela artesanía; y el análisis de la forma como estos parámetros inciden en la distribución y abun-dancia de la especie. Teniendo en cuenta esta información se seleccionaron dos sitios demuestreo, en cada uno de los cuales se identificaron las condiciones ambientales que favorecenel crecimiento de la palma y su producción de fibra. Para esto se demarcaron las parcelasen las que se llevó a cabo el conteo de los individuos, la evaluación de su rendimiento pormedio del análisis de biomasa y del índice AFE; y la evaluación de las condiciones físicas,químicas y biológicas del suelo que lo afectan. Como resultado del análisis se propone la im-plantación de un programa de propagación y aprovechamiento, que tenga en cuenta la distri-bución de los ecosistemas y los grados de intervención del bosque que favorecen el crecimientode la palma. Y se proponen técnicas de manejo de las condiciones ambientales y de los aspectosde la relación planta - suelo que favorecen el mayor rendimiento en la producción de fibra;haciendo énfasis en el manejo de la asociación micorrícica observada.

  5. Palma forrageira (Opuntia ficus indica Mill e uréia em substituição ao feno de capim tifton (Cynodon spp em dietas de vacas da raça holandesa em lactação. 1. Digestibilidade = Forage cactus (Opuntia ficus indica Mill and urea in replacement of tifton hay (Cynodon spp in lactating Holstein cows diet. 1. Digestibility

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    Carmem Valéria de Araújo Cavalcanti

    2006-04-01

    Full Text Available Foi avaliado o efeito de quatro níveis (0%; 12,5%; 25%; 37,5%; e 50% de palma forrageira e uréia em substituição ao feno de capim tifton, na ração de vacas da raça holandesa em lactação sobre a digestibilidade aparente da matéria seca (DAMS, da matéria orgânica(DAMO, da fibra em detergente neutro (DAFDN, da proteína bruta (DAPB, dos carboidratos totais (DACHOT e dos carboidratos não fibrosos (DACNF. Foram utilizadas cinco vacas, com peso médio de 480 kg e produção média de leite de 20 kg/dia, distribuídas em um quadrado latino 5x5. As DAMS, DAMO, DACHOT e DACNF aumentaram, aDAFDN diminuiu linearmente e a DAPB não foi influenciada com o aumento dos níveis de palma e uréia na dieta. Os nutrientes digestíveis totais de mantença, a energia digestível de lactação, energia metabolizável de lactação e energia líquida de lactação aumentaram à medida que eram incluídas palma e uréia na dieta.The effect of five levels forage cactus and urea (0.0, 12.5, 25.0, 37.5 and 50% in replacement of tifton hay in lactating Holstein cows diets, on the apparent digestibility of dry matter (ADDM, organic matter (ADOM, neutral detergent fiber (ADNDF, crude protein (ADCP, total carbohydrates (ADTC and nonfiber carbohydrates (ADNFC were evaluated. Five Holstein cows weighing on average 480 kg and with an average milk yield of 20 kg of milk/day were used in a 5x5 Latin square design. The DM, OM, TC and NFC apparent digestibility increased while NDF apparent digestibility decreased linearly and the CP apparent digestibility was not affected by the inclusion of forage cactus and urea. The total digestible nutrients of maintenance,digestible energy of lactation, metabolizing energy of lactation and liquid energy of lactation increased as the forage cactus and urea levels increased.

  6. Manejo de colheita e espaçamento da palma-forrageira, em consórcio com sorgo granífero, no Agreste de Pernambuco Harvest managing and plant spacing of spinelles fodder cactus, under grain sorghum intercropping at the semi-arid region of Pernambuco State, Brazil

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    IDERVAL FARIAS

    2000-02-01

    Full Text Available Este trabalho foi realizado na zona semi-árida de Pernambuco e teve como objetivo investigar o efeito de espaçamento, e a freqüência e intensidade de colheitas da palma-forrageira (Opuntia ficus-indica Mill. consorciada com sorgo granífero (Sorghum bicolor (L. Moench. O delineamento experimental foi o de blocos ao acaso em parcelas subdivididas, sendo os espaçamentos alocados nas parcelas principais, e as freqüências e intensidades de colheitas, nas subparcelas. Os resultados são de um período de 12 anos, e as produções de matéria seca de palma, de grãos e restolhos de sorgo foram: 5,23, 1,65 e 2,07; 4,51, 1,30 e 2,10; 2,75, 1,97 e 3,51 t/ha/ano, em espaçamentos de 2,0 m x 1,0 m; 3,0 m x 1,0 m x 0,50 m e 7,0 m x 1,0 m x 0,50 m, respectivamente. A produção de matéria seca foi diferente entre as freqüências de corte, quando foram conservados os artículos primários: 4,08 t/ha/ano na freqüência de quatro anos, e de 3,43 t/ha/ano na freqüência de dois anos. A produção de palma aumentou com o período de crescimento da planta, nas duas intensidades de corte estudadas. A composição química dos artículos de palma e dos restolhos de sorgo foi pouco afetada pelos tratamentos.This trial was carried out in the semi-arid region of Pernambuco, aiming to study plant spacing and harvest frequencies and intensities of forage cactus (Opuntia ficus-indica Mill.. An experimental design in a split plot design was applied, in which plant spacing were used as the main plots and harvest frequencies and intensities as the subplots. Results presented in this work are related to a twelve-year period. The dry matter yields of forage cactus, sorghum grains and stover were: 5.23, 1.65 and 2.07; 4.51, 1.30 and 2.10; 2.75, 1.97 and 3.5 ton/ha/year, for plant spacing 2.0 m x 1.0 m; 3.0 m x 1.0 m x 0.50 m and 7.0 m x 1.0 m x 0.50 m, respectively. Dry matter yield was different between harvest frequencies, when primary articles were conserved: 4

  7. El paisaje como recurso turístico de la ciudad. Una propuesta metodológica para valorar el papel de la planificación del territorio en el caso de Las Palmas de Gran Canaria / The landscape as a city tourism resource. A methodological for assessing...

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    Santiago Hernández Torres

    2014-12-01

    Full Text Available Se propone una metodología para la valoración de las relaciones entre la ciudad, el turismo y la planificación del territorio desde la perspectiva del paisaje y el medio ambiente. Para ello, analizamos como las estrategias de mejora de la competitividad turística de las ciudades tienen su traslación en la planificación urbanística de los ayuntamientos y la relación o integración de los elementos que configuran ambientalmente el espacio urbano. Con este objeto genérico, se selecciona el ejemplo de Las Palmas de Gran Canaria como laboratorio de experiencias de ordenación del espacio, mediante las cuales puede observarse los indicadores y dificultades en el tratamiento de la calidad ambiental. Nos interesa distinguir cómo estos elementos ambientales se planifican como recursos turísticos y la relevancia que tienen en las estrategias públicas de la ordenación del territorio.A methodology is proposed to asses the relations among the city, tourism, and spatial planning from landscape and environmental perspective. To do this, we analyse how strategies to improve touristic competitiveness in the cities can be applied to spatial planning. To this end, the example of Las Palmas de Gran Canaria is selected, as a laboratory of spatial planning experiences, by which the indicators and difficulties in the environmental quality can be observed. We are interested in distinguishing how this environmental elements are planned as tourism resources and their level of importance in spatial planning.

  8. Equilíbrio higroscópico da palma forrageira: relação com a umidade ótima para fermentação sólida Hygroscopic equilibrium of the cactus pear: relation with the optimum moisture for the solid fermentation

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    Lúcia de F. Araújo

    2005-09-01

    Full Text Available No estudo do processo de enriquecimento protéico da palma forrageira (Opuntia ficus-indica Mill através da levedura Saccharomyces cerevisiae em meio semi-sólido, a atividade de água é uma das variáveis que mais afetam não apenas o processo fermentativo mas, também, o armazenamento desse enriquecido; desta forma, o presente trabalho foi realizado com o objetivo de se obter isotermas de dessorção da cactácea palma forrageira, nas temperaturas usuais dos processos das fermentações, 30, 35 e 40 oC, de modo a correlacionar atividade de água e umidade. As isotermas obtidas foram analisadas mediante os modelos de GAB e BET sendo que, em geral, o modelo de GAB foi o que melhor se ajustou aos dados experimentais. A partir das isotermas obtidas, encontraram-se as faixas de umidades adequadas para obtenção das atividades de água recomendadas para o processo fermentativo e durante o armazenamento do enriquecido.In the study of the protein enrichment process of the cactus pear (Opuntia ficus-indica Mill through the yeast Saccharomyces cerevisiae in semi-solid state fermentation, the water activity is one of the variables that most affects the fermentation process as well as the storage. The present work had the objective of obtaining isotherms of sorption of the cactus pear, in the usual temperatures of the fermentations processes, 30, 35 and 40 oC, in order to correlate water activity and moisture content. The obtained isotherms were analyzed by the GAB and BET models, the GAB model being, in general, the one that adjusted better to the experimental data. The isotherms allowed to find appropriate moisture content to obtain the water activities recommended for the fermentation process as well as during the storage of this enriched product.

  9. Ácidos graxos plasmáticos, metabolismo lipídico e lipoproteínas de ratos alimentados com óleo de palma e óleo de soja parcialmente hidrogenado Plasma fatty acids, lipid metabolism and lipoproteins in rats fed on palm oil and partially hydrogenated soybean oil

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    Ana Paula Silva

    2005-04-01

    Full Text Available OBJETIVO: Comparar, em ratos jovens, os efeitos metabólicos de dietas distintas, à base de óleo de palma e de gordura hidrogenada. MÉTODOS: Ratas Wistar receberam dietas com diferentes fontes lipídicas durante a lactação, as quais continuaram a ser dadas aos filhotes machos do 21º dia ao 45º dia de vida, após ajuste às recomendações da American Institute of Nutrition-93, quando estes foram decapitados. Os tecidos adiposos epididimal e perirrenal foram retirados para determinação da taxa de lipogênese in vivo com ³H2O e, no plasma, avaliou-se o perfil de ácidos graxos por cromatografia gasosa, além da concentração dos triacilgliceróis e colesterol total, por meio de kits enzimáticos. RESULTADOS: A substituição, na dieta, da gordura hidrogenada pelo óleo de palma aumentou, no plasma, a proporção do ácido graxo araquidônico e diminuiu a proporção do ácido essencial linolênico e a concentração dos triacilgliceróis e colesterol. Elevou o conteúdo lipídico e a taxa lipogênica do epidídimo e perirenal, repercutindo em maior peso corporal, bem como na adiposidade nesses animais. CONCLUSÃO: O tipo de ácido graxo oferecido na dieta desde o período da lactação, pode influenciar o metabolismo lipídico do tecido adiposo na idade jovem, bem como o comportamento alimentar e ganho de peso corporal, com possíveis repercussões para o desenvolvimento de doenças crônicas não transmissíveis.OBJECTIVE: To compare the metabolic effects of diets based on palm oil and hydrogenated fat on young rats. METHODS: Wistar female rats, during lactation, were fed diets with different lipid sources, which were also adjusted to the recommendations (American Institute of Nutrition-93 and given to the male pups from the 21rst day to the 45th day of life, when they were killed. The epididimal and perirenal adipose tissues were extracted and had their lipogenesis rates measured in vivo with ³H2O. We also measured, in the plasma

  10. Palma forrageira (Opuntia ficus indica Mill associada a diferentes volumosos em dietas para vacas da raça Holandesa em lactação = Addition of spineless cactus (Opuntia ficus indica Mill to different types of roughage in the diet of lactating Holstein cows

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    Renata Rodrigues da Silva

    2007-07-01

    Full Text Available Objetivou-se avaliar o efeito da associação da palma forrageira com diferentes volumosos sobre o consumo, produção de leite e digestibilidade aparente de vacas em lactação com peso médio de 560 ± 50 kg e produção de 20 kg dia-1. Os tratamentos foram os diferentesvolumosos: bagaço de cana-de-açúcar (BC, feno de capim-tifton, feno de capim elefante, silagem de sorgo e mistura de bagaço de cana + silagem de sorgo. Foram avaliados os consumos de matéria seca (MS, proteína bruta (PB, extrato etéreo (EE, fibra em detergente neutro(FDN, carboidratos não-fibrosos (CNF, carboidratos totais (CHT, matéria orgânica (MO e nutrientes digestíveis totais (NDT; os coeficientes de digestibilidade aparente de MS, PB, EE, FDN, CNF, CHT, MO e a produção e teor de gordura do leite. Os volumoso associados à palma forrageira não influenciaram o consumo e digestibilidade da maioria dos nutrientes, não influenciando também a produção de leite, a produção de leite corrigido para 3,5% de gordura e o teor de gordura do leite, com médias de 16,92 kg dia-1, 17,57 kg dia-1 e 3,76%, respectivamente. A palma forrageira pode ser associada a diferentes volumosos em dietas para vacas em lactação, sem alterar o consumo, o desempenho e a digestibilidade da matéria seca e dos nutrientes.The experiment was carried out to evaluate the association of spineless cactus with different roughage sources on the apparentdigestibility, intake and milk yield of lactating cows (average 560 ± 50 kg LW and 20 kg of daily milk yield. The treatments contained different roughage sources with spineless cactus: sugar cane bagasse, tifton hay, elephant grass hay, sorghum silage and a mixture of sugar cane bagasse + sorghum silage. The voluntary intake of dry matter (DM, crude protein (CP, ether extract (EE, neutral detergent fiber (NDF, non-fiber carbohydrates (NFC, total carbohydrates (TCH, organic matter (OM and total digestible nutrients (TDN was evaluated. In

  11. Níveis de ureia em dietas contendo co-produto de vitivinícolas e palma forrageira para ovinos Santa Inês Urea levels in diets containing dried grape byproduct and forage cactus for Santa Inês sheep

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    D.R. Menezes

    2009-06-01

    Full Text Available Avaliou-se o efeito da inclusão de níveis crescentes de ureia sobre o consumo e a digestibilidade aparente dos nutrientes de dietas contendo coproduto de vitivinícolas desidratado (CVD e palma forrageira in natura. Foram utilizados 16 ovinos da raça Santa Inês machos, não castrados, com peso médio de 37kg e média de idade de 11 meses. As dietas continham 60% de CVD e 40% de palma forrageira, e níveis crescentes de ureia, 0, 1, 2 e 3%, na matéria seca (MS. O delineamento experimental foi o inteiramente ao acaso, e o experimento foi desenvolvido em dois períodos, com 15 dias de adaptação e cinco dias de coleta cada. Os consumos da MS, fibra em detergente neutro (FDN, carboidratos não fibrosos (CNF e nutrientes digestíveis totais (NDT apresentaram comportamento quadrático com valores máximos de 2,04; 0,66; 0,74; 1,50kg/dia, respectivamente. No consumo de proteína bruta (PB, a cada acréscimo de uma unidade percentual de ureia ocorreu aumento de 20 gramas no consumo de PB. Os coeficientes de digestibilidade da MS, PB, FDN e CNF apresentaram comportamento quadrático com valores máximos de 62,5; 85,0; 81,0; e 97,8%, respectivamente. A inclusão de ureia até 2% nas dietas contendo coproduto de vitivinícolas desidratado e palma forrageira in natura possibilitou incrementos no consumo e no coeficiente de digestibilidade dos nutrientes.The effect of urea levels on intake and apparent digestibility of nutrients in diets containing dried wine grape byproduct and fresh forage cactus was evaluated. Sixteen male, non-castrated, Santa Inês sheep, averaging 37kg and 11-month-old were used. The diets had 60% of dried grape byproduct (DGB and 40% of forage cactus, and increasing levels of urea - 0, 1, 2, and 3% in dry matter. Completely randomized designs with two periods with 15 adjust days and five days for samples collection was carried out. Dry matter (DM, neuter detergent fiber (NDF, non-fibrous carbohydrates (NFC, and total digestive

  12. Digestibilidade e absorção aparentes em vacas da raça holandesa alimentadas com palma forrageira (Opuntia ficus-indica mill em substituição à silagem de sorgo (Sorghum bicolor (L. moench Apparent digestibility and absorption od holstein cows fed diets with forage cactus (Opuntia ficus-indica mill in replacement of sorghum silage (Sorghum bicolor (L. moench

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    Dulciene Karla Bezerra de Andrade

    2002-09-01

    Full Text Available Foi avaliado o efeito de quatro níveis (0, 12, 24 e 36% de palma forrageira em substituição à silagem de sorgo, na ração de vacas da raça holandesa em lactação, sobre a digestibilidade aparente da matéria seca (DAMS, da matéria orgânica (DAMO, da proteína bruta (DAPB, do extrato etéreo (DAEE, da fibra em detergente neutro (DAFDN, da fibra em detergente ácido (DAFDA, dos carboidratos totais (DACHT e dos carboidratos não-fibrosos (DACNF, o teor de nutrientes digestíveis totais (NDT e os coeficientes de absorção aparente de cálcio (Ca, fósforo (P, potássio (K e sódio (Na. Foram utilizadas oito vacas, com peso médio de 590 kg e produção média de leite de 27 kg/dia, distribuídas em dois quadrados latinos simultâneos (4x4, sendo quatro animais, quatro períodos e quatro níveis de inclusão de palma na ração. A inclusão de palma forrageira na dieta influenciou a digestibilidade aparente de todos os nutrientes, sendo descrito por função quadrática. Foi possível estimar por intermédio desta função um teor máximo de NDT de 77,43% para utilização de 16,51% de palma na dieta. O aumento nos teores de CNF e a redução da FDN das rações foram responsáveis pelo comportamento quadrático na digestibilidade dos nutrientes. As absorções aparentes de Ca, P e Na foram influenciadas quadraticamente com o aumento dos níveis de palma na ração, enquanto o K aumentou linearmente. A relação Ca:P que proporcionou a melhor absorção desses elementos minerais foi de 1,9:1.It was evaluated the effect of four levels forage cactus in replacement of sorghum silage, in diets of lactating Holstein cows, on the apparent digestibility of dry matter (ADDM, organic matter (ADOM, crude protein (ADCP, ether extract (ADEE, neutral detergent fiber (ADNDF and acid (ADADF, total carbohydrates (ADTCH and nonfiber carbohydrates (ADNFC, content of total digestible nutrients (TDN and apparent absorption of calcium (Ca, phosphorus (P

  13. Efeito da adubação e do uso de nematicida na composição química da palma forrageira (Opuntia ficus indica Mill Fertilization and nematicide effects on the chemical composition of cactus forage cv. "Gigante"

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    Margareth Maria Teles

    2004-12-01

    Full Text Available O experimento foi realizado em casa de vegetação do Departamento de Zootecnia da UFRPE, com o objetivo de avaliar o efeito da adubação e de nematicida na composição da palma forrageira cv. gigante, com sintoma de amarelecimento. Para o plantio utilizaram-se cladódios de cor amarela de palma (Opuntia ficus indica, Mill. Cv. Gigante provenientes da Estação Experimental de Caruaru - IPA, onde foi observado o amarelecimento das plantas. Os tratamentos constaram da presença e ausência de macronutrientes, micronutrientes e de nematicida, em delineamento experimental de blocos ao acaso, com quatro repetições. Não foram observadas diferenças significativas entre os tratamentos para teores de matéria seca, de K, de Ca e de Mg. Para teores de N, de P e de S, a análise de variância revelou diferença significativa. A média geral para teores de MS, N, P, K, Ca, Mg e S foi de 7,29; 1,19; 0,17; 3,31; 1,84; 0,59 e 0,17%, respectivamente. A adição de micronutrientes e de nematicida não influenciou os resultados obtidos para teores de N, P, K, Ca, Mg e S. Os teores de nitrogênio, fósforo e potássio foram superiores nos cladódios mais jovens da planta. Os nutrientes nitrogênio, fósforo e enxofre foram os únicos que influenciaram a composição química.This experiment was carried out in a greenhouse at the Animal Science Department/UFRPE and aimed to evaluate the fertilization and nematicide effects on the chemical composition of cactus forage cv. "Gigante" suffering chlorotic symptoms. Chlorotic cladodes of Cactus forage cv. "Gigante" were used as planting material and they were collected at the Caruaru Experimental Station/IPA in the same location where those symptoms were previously observed. The treatments tested the presence or absence of macronutrients, micronutrients, and nematicide. A completely randomized block design was used and the treatments were replicated four times. No significant differences were found for dry matter

  14. Síntese de proteína microbiana e concentrações de uréia em vacas alimentadas com dietas à base de palma forrageira e diferentes volumosos Microbial protein synthesis and urea nitrogen concentrations in lactating dairy cows fed spineless cactus and different forages based diets

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    Marcelo de Andrade Ferreira

    2009-01-01

    Full Text Available Cinco vacas da raça Holandesa foram distribuídas em um quadrado latino 5 × 5 com o objetivo de estimar a produção de proteína microbiana utilizando-se a excreção total de derivados de purinas (DP, por meio de coletas spot de urina, e as concentrações de nitrogênio (N-uréia no plasma, no leite e na urina. As cinco dietas foram formuladas com diversos volumosos (bagaço de cana-de-açúcar; feno de capim-tifton; feno de capim-elefante; silagem de sorgo; e uma mistura de silagem de sorgo + bagaço de cana associados à palma forrageira. As concentrações de uréia (10,98 mg/dL e N-uréia (5,11 mg/dL no leite não foram afetadas pelos volumosos, assim como as concentrações plasmáticas de uréia (28,10 mg/dL e N-uréia (13,09 mg/dL. As excreções urinárias de uréia, N-uréia, alantoína e derivados de purina, purinas absorvidas, a síntese de N-microbiano e as concentrações de alantoína no leite não foram alteradas. Os volumosos utilizados podem ser associados a palma forrageira na alimentação de vacas Holandesas, pois não alteram a produção de proteína microbiana.Five Holstein cows were allotted to a 5 × 5 Latin square design with the objective of evaluating the microbial protein production, using the total excretion of purine derivatives (PD, obtained from spot urine collection, plasma and milk urea and nitrogen (N-urea. The five treatments contained different forage sources: sugar cane bagasse (CB, tifton hay (TH, elephant grass hay (EH, sorghum silage (SS and a mixture of sugar cane bagasse + sorghum silage (CBSS. The milk urea (10.98 mg/dL and N-urea (5.11 mg/dL concentrations were not influenced by the forage sources, such as plasma urea (28.10 mg/dL and N-urea (13.09 mg/dL concentrations. The urinary urea, N-urea, allantoin and PD excretions, the absorbed purine, N-microbial synthesis and milk allantoin concentration remained unchanged. The different forage sources in association with forage cactus did not change

  15. Sequential motor task (Luria's Fist-Edge-Palm Test in children with benign focal epilepsy of childhood with centrotemporal spikes Tarefa motora sequencial (Teste de Lúria punho-lado-palma em crianças com epilepsia focal benigna da infância com descarga centrotemporal

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    Carmen Silvia Molleis Galego Miziara

    2013-06-01

    Full Text Available This study evaluated the sequential motor manual actions in children with benign focal epilepsy of childhood with centrotemporal spikes (BECTS and compares the results with matched control group, through the application of Luria's fist-edge-palm test. The children with BECTS underwent interictal single photon emission computed tomography (SPECT and School Performance Test (SPT. Significant difference occurred between the study and control groups for manual motor action through three equal and three different movements. Children with lower school performance had higher error rate in the imitation of hand gestures. Another factor significantly associated with the failure was the abnormality in SPECT. Children with BECTS showed abnormalities in the test that evaluated manual motor programming/planning. This study may suggest that the functional changes related to epileptiform activity in rolandic region interfere with the executive function in children with BECTS.Esse estudo avaliou ações motoras manuais sequenciais em crianças com epilepsia focal benigna da infância com descarga centrotemporal (EBICT e comparou os resultados com o grupo controle pareado, através do teste de Lúria (punho-lado-palma. As crianças com EBICT realizaram single photon emission computed tomography (SPECT interictal e Teste de Desempenho Escolar (TDE. Foram encontradas diferenças significativas entre os dois grupos nas atividades motoras de três movimentos iguais e três movimentos diferentes. As crianças com piores resultados no TDE e com SPECT alterado apresentaram mais erros no teste de imitação manual. Crianças com epilepsia fracassaram nos testes de avaliação motora que envolvem programação/planejamento. Esse estudo sugere que mudanças funcionais relacionadas à atividade epileptiforme na região rolândica interfere com as funções executivas de crianças com EBICT.

  16. Substituição total do milho e parcial do feno do capim-tifton por palma forrageira em dietas para vacas em lactação. Produção, composição do leite e custos com alimentação Effects of replacing corn and Tifton hay with forage cactus on milk production and composition of lactating dairy cows

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    Veronaldo Souza de Oliveira

    2007-08-01

    Full Text Available O experimento foi conduzido com o objetivo de avaliar a influência de dietas com teores crescentes de palma forrageira sobre a produção, a composição do leite e o perfil dos ácidos graxos do leite de vacas holandesas em lactação. Os animais (583 ± 7,07 kg foram alimentados com dietas formuladas com diferentes níveis (0; 12,0; 25,0; 38,0 e 51,0% de palma forrageira (Opuntia fícus indica Mill em substituição total ao milho (Zea mays L. e em substituição parcial ao feno de capim-tifton (Cynodon spp. Foram utilizadas cinco vacas distribuídas em um quadrado latino 5 x 5. Cada período experimental teve duração de 17 dias, dez para adaptação dos animais à dieta e sete para coleta de dados. A produção de leite, total (kg/dia e corrigida para 3,5% de gordura (kg/dia, o teor de gordura (% e a produção de gordura (kg/dia do leite (20,65; 19,76; 3,73 e 0,745, respectivamente não foram influenciados pela introdução de palma nas dietas. O perfil de ácidos graxos da gordura do leite não foi influenciado (quanto aos ácidos cáprico, láurico, mirístico, linoléico, linolênico e araquídico pelos níveis de palma na dieta, entretanto, houve aumento linear dos ácidos de cadeia intermediária (palmítico e palmitoléico e tendência inversa para os ácidos esteárico e oléico. A inclusão de palma forrageira em substituição ao milho e parte do feno de capim-tifton para vacas holandesas em lactação não influenciou a produção e a composição do leite, exceto a concentração dos ácidos graxos de cadeia longa, que apresentou comportamento linear decrescente.The objective of this trial was to evaluate the effect of replacing Tifton hay and corn with forage cactus (Opuntia ficus indica Mill on milk production and composition and milk fatty acid profile in lactating Holstein cows. Animals averaged 583 ± 7.07 kg of body weight in the beginning of the trial and were fed diets containing (% of DM: 0, 12.0, 25.0, 38.0 or 51

  17. Mortalidad y repelencia en Eupalamides cyparissias (Lepidoptera: Castniidae, plaga de la palma aceitera Elaeis guineensis, por efecto de diez extractos botánicos Mortality and repellence of Eupalamides cyparissias (Lepidoptera: Castniidae, pest of oil palm Elaeis guineensis, by effect of ten botanical extracts

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    Diana D. Pérez

    2008-06-01

    Full Text Available Las plantas con actividad insecticida constituyen un importante componente del manejo integrado de plagas. Bajo esta premisa, el objetivo del presente estudio fue evaluar la mortalidad y repelencia larval de Eupalamides cyparissias Fab. (Lepidoptera: Castniidae, plaga de la palma aceitera Elaeis guineensis Jacquin; empleando diez plantas con potencial insecticida: Ucullucuysacha (Heliotropium indicum L., Boraginaceae, Floripondio (Brugmansia x candida Pers., Solanaceae, Oreja de Tigre (Tradescantia zebrina Hort ex Bosse, Commelinaceae, Piñón Blanco (Jathropa curcas L., Euphorbiaceae, Sacha yoco (Paullinia clavigera Schltdl., Sapindaceae, Yuquilla (Euphorbia cotinifolia L., Euphorbiaceae, Achiote (Bixa orellana L., Bixaceae, Retama común (Cassia fistula L., Fabaceae, Huancahuisacha (Aristolochia pilosa Kunth, Aristolochiaceae y Curare (Chondrodendron tomentosum Ruiz & Pavon, Menispermaceae. Los bioensayos con E. cyparissias abarcaron entre 1 h y 24 h, bajo condiciones estandardizadas de laboratorio. A 24 h de exposición, los mayores porcentajes de mortalidad de E. cyparissias se presentaron en los tratamientos con Sacha yoco (63,3 %: corteza y hojas en decocción, Achiote (63,3 %: semillas en licuado y Yuquilla (48,3 %: hojas en licuado. En el caso de la repelencia, los mayores efectos se encontraron en los tratamientos con Achiote (83,30 %, Sacha yoco (75 % y Floripondio (66,7 %: hojas en licuado.The plants with insecticide activities constitute a main compound of integrated pest management. Under this premise, the aim of the current research was to evaluate mortality and repellence of Eupalamides cyparissias Fab. (Lepidoptera: Castniidae larvae, pest of oil palm Elaeis guineensis Jacquin, employing ten plants with insecticide potential: Indian heliotrope (Heliotropium indicum L., Boraginaceae, Angel´s trumpets (Brugmansia x candida Pers., Solanaceae, Wandering Jew (Tradescantia zebrina Hort ex Bosse, Commelinaceae, Nettles-purge (Jathropa

  18. Proliferação e enraizamento in vitro de brotos de palma forrageira - Opuntia ficus-indica (L. MILL - DOI: 10.4025/actascibiolsci.v26i2.1641 Proliferation and rooting in vitro of buds of palm grass Opuntia ficusindica (L. MILL - DOI: 10.4025/actascibiolsci.v26i2.1641

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    Francisco de Assis Paiva Campos

    2004-04-01

    Full Text Available O trabalho foi conduzido no Departamento de Bioquímica e Biologia Molecular da Universidade Federal do Ceará com o objetivo de avaliar o efeito do 6- benzilaminopurina (BAP e do ácido indolacético (AIA na proliferação e no enraizamento in vitro de brotos da palma forrageira. Os explantes foram incubados no meio de cultura com sais e vitaminas MS, suplementados com 5% de sacarose, 0,8% de ágar e pH 5,85. Para a proliferação, os brotos foram inoculados em placas de Petri contendo o meio de cultura em diferentes concentrações de BAP. O delineamento experimental foi inteiramente ao acaso, em arranjo fatorial de 10 x 3, com 3 repetições. No enraizamento, os brotos foram inoculados no meio de cultura contendo diferentes concentrações de AIA. O delineamento experimental foi inteiramente ao acaso, em arranjo fatorial de 10 x 3, com 3 repetições. Concluiu-se que os melhores protocolos para a proliferação e o enraizamento de brotos foram, respectivamente, BAP 1,00mg/L e AIA 5,00mg/LThe work was carried out in the Biochemistry and Molecular Biology Department of Ceará Federal University. The aim was to evaluate the effects of 6- benzylaminopurine (BAP and indolacetic acid (IAA on proliferation and rooting ,em>in vitro of buds of palm grass. The samples were incubated in the culture environment with salts, vitamins MS, 5% of sucrose, 0.8% of agar and pH of 5.85. For the proliferation, the buds were inoculated in Petri plates, and the culture environment was contained in different BAP concentrations. The experimental delineation was entirely randomly in an arrangement factorial of 10 x 3 and three replications. In the rooting, the buds were inoculated in the culture environment and they had different concentrations of indoacetic acid (IAA. Results showed that the best protocols for proliferation and buds of rooting were, respectively: BAP to 1.00mg/L and IAA to 5.00mg/L

  19. Optimización de la Producción de Alquil Ésteres a partir de Aceite de Palma, empleando la Metodología de Superficie de Respuesta Optimization of the Alkyl Esters Production from Palm Oil using Response Surface Methodology

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    Paula C Mazo

    2008-01-01

    Full Text Available En el presente artículo se estudia el efecto del porcentaje másico del catalizador y la relación molar aceite:alcohol para diferentes sistemas de alcohol-catalizador, en la optimización de la producción de alquil ésteres de aceite crudo de palma. Se usó un diseño factorial 3² y la metodología de superficie de respuesta, donde se obtuvieron las ecuaciones polinomiales cuadráticas mediante análisis de regresión múltiple. La respuesta evaluada fue el porcentaje de conversión a glicerina empleando la norma de la Sociedad Americana de Químicos de Aceites, AOCS Ca 14-56. Las dos variables afectan significativamente la conversión y el efecto de la relación molar es mayor que el de la cantidad de catalizador. Las condiciones óptimas varían para cada sistema, pero en general para los catalizadores homogéneos el porcentaje másico del catalizador es menor (1 a 2% que para los heterogéneos (5 a 6% y se requieren altas relaciones molares (1:12 a 1:40. Las propiedades de los combustibles obtenidos cumplen con los requerimientos de los estándares americanos para el biodiesel.This paper studies the effect of the mass percentage of the catalyst and the molar ratio oil:alcohol for different alcohol-catalyst systems, in the optimization of alkyl esters production from crude palm oil. Factorial design 3² and response surface methodology were used and quadratic polynomial equations by a multiple regression analysis were obtained. The evaluated answer was the percentage of conversion to glycerine using the norm of the American Oil Chemists' Society, AOCS Ca 14-56. The two variables significantly affect the conversion and the molar ratio effect is larger than the effect of the amount of catalyst. Optimum conditions vary for each system, but in general for the homogeneous catalysts the mass percentage of the catalyst is smaller (1 to 2% than for heterogeneous (5 to 6% and large molar ratio are required (1:12-1:40. The properties of fuel

  20. Palma forrageira (Opuntia ficus indica Mill associada a diferentes volumosos em dietas para vacas da raça Holandesa em lactação - DOI: 10.4025/actascianimsci.v29i3.569 Addition of spineless cactus (Opuntia ficus indica Mill to different types of roughage in the diet of lactating Holstein cows - DOI: 10.4025/actascianimsci.v29i3.569

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    Airon Aparecida Silva de Melo

    2007-12-01

    Full Text Available Objetivou-se avaliar o efeito da associação da palma forrageira com diferentes volumosos sobre o consumo, produção de leite e digestibilidade aparente de vacas em lactação com peso médio de 560 ± 50 kg e produção de 20 kg dia-1. Os tratamentos foram os diferentes volumosos: bagaço de cana-de-açúcar (BC, feno de capim-tifton, feno de capim elefante, silagem de sorgo e mistura de bagaço de cana + silagem de sorgo. Foram avaliados os consumos de matéria seca (MS, proteína bruta (PB, extrato etéreo (EE, fibra em detergente neutro (FDN, carboidratos não-fibrosos (CNF, carboidratos totais (CHT, matéria orgânica (MO e nutrientes digestíveis totais (NDT; os coeficientes de digestibilidade aparente de MS, PB, EE, FDN, CNF, CHT, MO e a produção e teor de gordura do leite. Os volumoso associados à palma forrageira não influenciaram o consumo e digestibilidade da maioria dos nutrientes, não influenciando também a produção de leite, a produção de leite corrigido para 3,5% de gordura e o teor de gordura do leite, com médias de 16,92 kg dia-1, 17,57 kg dia-1 e 3,76%, respectivamente. A palma forrageira pode ser associada a diferentes volumosos em dietas para vacas em lactação, sem alterar o consumo, o desempenho e a digestibilidade da matéria seca e dos nutrientes.The experiment was carried out to evaluate the association of spineless cactus with different roughage sources on the apparent digestibility, intake and milk yield of lactating cows (average 560 ± 50 kg LW and 20 kg of daily milk yield. The treatments contained different roughage sources with spineless cactus: sugar cane bagasse, tifton hay, elephant grass hay, sorghum silage and a mixture of sugar cane bagasse + sorghum silage. The voluntary intake of dry matter (DM, crude protein (CP, ether extract (EE, neutral detergent fiber (NDF, non-fiber carbohydrates (NFC, total carbohydrates (TCH, organic matter (OM and total digestible nutrients (TDN was evaluated. In

  1. Agricultural crops in the diet of bearded capuchin monkeys, Cebus libidinosus Spix (Primates: Cebidae, in forest fragments in southeast Brazil Cultivares na dieta de macacos-prego barbados, Cebus libidinosus Spix (Primates: Cebidae, em fragmentos florestais no sudeste do Brasil

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    Carlos Henrique de Freitas

    2008-03-01

    Full Text Available Capuchin monkeys occupy a wide range of habitats where they feed on fruits, arthropods, and vertebrates. Their large home ranges (80-900 ha suggest that living in forest fragments may challenge their adaptability. We identified and quantified the main food items of Cebus libidinosus Spix, 1823 in forests fragments (100 ha in southeastern Brazil. We recorded the feeding activities of two groups using scan sampling over a 13-month period. The diet was composed of fruits, crops, animal prey, seeds, plant matter and undetermined. Fruit was eaten more in the wet season than in the dry season, and maize and sugar cane consumption peaked in the early dry season. The proportion of fruit in the diet was positively correlated with fruiting intensity of zoochorous trees. The plant diet included 54 species, with maize, Rhamnidium elaeocarpus, Acrocomia aculeata, Guazuma ulmifolia and Cariniana, being most important. Although dietary composition and diversity were similar to capuchins in larger forest fragments, feeding on crops attained higher percentages at times when zoochorous fruit production was low in fragments.Macacos-prego ocupam uma vasta gama de ambientes onde alimentam-se de frutos, artrópodes e vertebrados. Suas grandes áreas de vida (80-900 ha sugerem que viver em fragmentos florestais pode ser um desafio a sua adaptabilidade. Foram identificados e quantificados os principais itens alimentares de Cebus libidinosus Spix, 1823 em fragmentos florestais (100 ha no sudeste do Brasil. Registraram-se as atividades alimentares de dois grupos usando a varredura instantânea durante um período de 13 meses. A dieta compôs-se de frutos, presas animais, cultivares, sementes, material vegetal e indeterminado. Os frutos foram consumidos mais na estação chuvosa do que na estação seca e o consumo de milho e cana atingiu um pico no início da estação seca. A proporção de frutos na dieta foi positivamente correlacionada com a intensidade de frutifica

  2. Use of cactus pear (Opuntia ficus indica Mill replacing corn on carcass characteristics and non-carcass components in Santa Inês lambs Utilização da palma forrageira (Opuntia fícus-indica Mill em substituição ao milho sobre as características de carcaça e componentes não constituintes da carcaça de cordeiros da raça Santa Inês

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    Tiago Ferreira Pinto

    2011-06-01

    Full Text Available The objective of this study was to evaluate the biometric and morphometric measures, regional composition, carcass characteristics and non-carcass components of Santa Inês lambs submitted to levels of corn replaced by cactus pear in the diet. It was used 45 Santa Ines non-castrated male lambs, with average initial live weight of 25.50 ± 0.48 kg as a completely randomized block design with five treatments (0; 25; 50; 70 and 100% and nine replicates. There was an effect of the diet on slaughter weight, empty body weight, hot and cold carcass, cold carcass weight, shoulder weight and loin weight. Cactus pear can replace up to 75% of corn in diets for feedlot Santa Inês lambs, without compromising production, carcass characteristics and production of non-carcass components.O objetivo neste trabalho foi avaliar as medidas biométricas e morfométricas, a composição regional, as características de carcaça e os componentes não constituintes da carcaça de cordeiros Santa Inês, submetidos a níveis de substituição do milho por palma forrageira na dieta. Foram utilizados 45 cordeiros não-castrados da raça Santa Inês com peso vivo inicial de 25,0 ± 0,48 kg, distribuídos em delineamento de blocos ao acaso com cinco tratamentos (0; 25; 50; 75 e 100% e nove repetições. Houve efeito da dieta sobre o peso ao abate, peso do corpo vazio, peso de carcaça quente e fria, peso da paleta e peso do lombo. A palma forrageira pode substituir até 75% do milho em dietas para cordeiros da raça santa Inês em confinamento, sem comprometer a produção, as características da carcaça e a produção de componentes não constituintes da carcaça.

  3. Replacement of soybean meal by cottonseed meal in diets based on spineless cactus for lactating cows Substituição do farelo de soja pelo farelo de algodão em dietas à base de palma forrageira para vacas em lactação

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    Fabiana Maria da Silva

    2009-10-01

    Full Text Available The objective of this study was to evaluate the replacement of soybean meal by cottonseed meal in the diet of dairy cows fed diets based on spineless cactus. Five Girolando lactating cows were used, with average live weight of 490 kg and average production of 11.5 kg of milk/day, distributed in a 5 × 5 Latin square design (5 animals, 5 treatments and 5 experimental periods. Each experimental period lasted 15 days, 10 days being for the adaptation of the animals to the diet and 5 days for data collection. The experimental diet consisted of spineless cactus (53%, sorghum silage (32% and concentrate (15%. The cottonseed meal replaced 0, 25, 50, 75 and 100% of soybean meal in the concentrate. The intake, milk yield and composition were evaluated. The nutrients intake and digestibility were not affected by the treatments, with an average of 15.55 and 56.05; 13.8 and 59.31, 0.37 and 49.40, 5.32 and 30.95, 1.79 and 48.14; 9.94 and 54.31, 4.43 kg/day and 80.99%, for the dry matter, organic matter, ether extract, neutral detergent fiber, crude protein, total carbohydrates and non-fibrous carbohydrates, respectively. The total digestible nutrients were not affected (average of 8.30 kg/day. Similarly, the milk yield and composition, fat corrected milk yield (4%, lactose, total solids, fat and protein were not affected by replacement (11.56, 11.41 kg milk/day and 4.45, 12.75, 3.95 and 3.42%, respectively. Recommended the replacement of soybean meal by cottonseed meal for low production dairy cows.Objetivou-se avaliar a substituição do farelo de soja pelo farelo de algodão em dietas à base de palma forrageira para vacas em lactação. Foram utilizadas cinco vacas da raça Girolando (peso vivo médio de 490 kg e produção média de 11,5 kg de leite/dia, distribuídas em um quadrado latino 5 × 5, composto de cinco animais, cinco níveis de farelo de algodão (0; 25; 50; 75 e 100% em substituição ao farelo de soja e cinco períodos experimentais, cada

  4. MACARRÃO ADICIONADO DE ORA-PRO-NÓBIS (PERESKIA ACULEATA MILLER) DESIDRATADO

    OpenAIRE

    DéBORA REGINA DA CUNHA ROCHA; GERALDO ANTôNIO PEREIRA JÊNIOR; GILMAR VIEIRA; LíLIAN PANTOJA; ALEXANDRE SOARES DOS SANTOS; NíSIA ANDRADE VILLELA DESSIMONI PINTO

    2009-01-01

    A utilização de alimentos alternativos para o combate à fome na população de baixa renda é assunto que tem recebido atenção no Brasil nos últimos anos. As hortaliças não-convencionais constituem uma alternativa para populações carentes por serem boas fontes de nutrientes, apresentarem fácil disponibilidade, além de baixo valor de mercado. Diante disso,...

  5. MACARRÃO ADICIONADO DE ORA-PRO-NÓBIS (PERESKIA ACULEATA MILLER DESIDRATADO

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    DéBORA REGINA DA CUNHA ROCHA

    2009-06-01

    Full Text Available

    A utilização de alimentos alternativos para o combate à fome na população de baixa renda é assunto que tem recebido atenção no Brasil nos últimos anos. As hortaliças não-convencionais constituem uma alternativa para populações carentes por serem boas fontes de nutrientes, apresentarem fácil disponibilidade, além de baixo valor de mercado. Diante disso, o presente trabalho objetivou elaborar e caracterizar física, química e sensorialmente o macarrão tipo talharim com diferentes proporções de ora-pro-nóbis. O ora-pro-nóbis desidratado foi caracterizado quanto sua composição física e química, além de sua utilização do para elaboração das massas de macarrão tipo talharim com diferentes concentrações (1,0; 1,5 e 2,0%, estas foram submetidas a pesquisa de preferência e a formulação preferida foi avaliada quanto a aceitabilidade. O ora-pro-nóbis desidratado apresentou consideráveis teores de proteínas (22,93%, fibras (12,64% e cinzas (18,07%. Dentre as formulações testadas a de maior preferência, formulação com 2,0 % de ora-pro-nóbis, se destacou por apresentar maior conteúdo de proteínas, fibras e cinzas quando comparado com o macarrão convencional. Os resultados demonstram que o uso de 2,0% de ora-pro-nóbis desidratado no macarrão tipo talharim elevou os teores de proteínas, fibras e cinzas em relação ao macarrão convencional. Na avaliação sensorial, o macarrão com adição de ora-pro-nóbis foi aceito por apresentar índice de aceitabilidade de 92,0%. A utilização do ora-pro-nóbis na elaboração de vários produtos alimentícios contribuirá para aumento do seu cultivo, bem como para a melhoria da qualidade da dieta da população.

  6. Borassodendron (Palmae) in the Southeast Asian fossil pollen record

    NARCIS (Netherlands)

    Maloney, B.K.

    2000-01-01

    Borassodendron machadonis pollen occurred throughout the Holocene pollen record of Nong Thale Song Hong, Thailand, until about 4000 BP. It was also present in one sample from Khok Phanom Di, Thailand, and in the Mahakam Delta, Kalimantan, records, but B. machadonis has not been reported from the mod

  7. Balanço de compostos nitrogenados e produção de proteína microbiana em novilhas leiteiras alimentadas com palma forrageira, bagaço de cana-de-açúcar e uréia associados a diferentes suplementos Nitrogenous compounds balance and microbial protein production in crossbred heifers fed forage cactus, sugar cane bagasse and urea associated to different supplements

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    Ricardo Alexandre Silva Pessoa

    2009-05-01

    Full Text Available Objetivou-se avaliar o efeito da associação de palma forrageira ao bagaço de cana-de-açúcar e à uréia sobre o balanço de compostos nitrogenados e a produção de proteína microbiana em novilhas leiteiras recebendo ou não suplemento. Foram utilizadas 25 novilhas da raça Girolando, com peso vivo médio inicial de 227 kg, confinadas, distribuídas em delineamento experimental de blocos ao acaso, estabelecidos de acordo com o peso dos animais. A ração controle (sem suplemento foi composta de 64,0% de palma forrageira, 30,0% de bagaço de cana-de-açúcar, 4,0% de mistura uréia:sulfato de amônio (9:1 e 2,0% de mistura mineral, com base na matéria seca (MS, e as rações experimentais, de 57,0% de palma forrageira, 26,0% de bagaço de cana-de-açúcar, 3,5% de mistura uréia:sulfato de amônio, 1,8% de mistura mineral e 11,7% de suplemento (0,5% do PV dos animais. Os suplementos testados foram: farelo de trigo, farelo de soja, farelo de algodão ou caroço de algodão. O balanço de nitrogênio não foi influenciado pelas dietas e apresentou valor médio de 49,3 g/dia. A suplementação com farelo de algodão ou com farelo de soja aumentou a excreção de nitrogênio na urina, a concentração de uréia e nitrogênio uréico no plasma e a excreção urinária de uréia e nitrogênio uréico. A associação da palma forrageira ao bagaço de cana-de-açúcar e à uréia, sem o uso de suplementos, permite eficiência de síntese microbiana de 105 gPBmic/kg de NDT consumido. A suplementação com caroço de algodão proporciona maior excreção urinária de alantoína e derivados de purina e melhor eficiência de síntese microbiana, portanto, é a mais indicada nestas condições.The objective of this work was to evaluate the effect of association of forage cactus to sugar cane bagasse and urea on nitrogenous compounds balance and microbial protein synthesis in milk heifers supplemented or not. Twenty-five Holstein-Gir crossbred heifers

  8. Substituição do milho e do feno de capim-tifton por palma forrageira. Produção de proteína microbiana e excreção de uréia e de derivados de purina em vacas lactantes Effects of replacing of corn and Tifton hay with forage cactus on microbial protein synthesis and nitrogen metabolism in lactating dairy cows

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    Veronaldo Souza de Oliveira

    2007-08-01

    Full Text Available O experimento foi conduzido com os objetivos de estimar a produção e a eficiência de síntese de proteína microbiana utilizando-se a excreção total de derivados de purinas (DP e avaliar as concentrações de uréia na urina, de uréia e N-uréia no plasma e no leite de vacas holandesas em lactação alimentadas com dietas formuladas com diferentes níveis (0; 12,0; 25,0; 38,0 e 51,0% de palma forrageira (Opuntia ficus indica Mill em substituição total ao milho (Zea mays L. e parcial ao feno de capim-tifton (Cynodon spp. Foram utilizadas cinco vacas holandesas distribuídas em um quadrado latino 5 x 5. Cada período experimental teve duração de 17 dias, dez para adaptação dos animais à dieta e sete para coleta de dados. O volume urinário foi estimado em amostras spot de urina obtidas 4 horas após a alimentação. O volume urinário (27,62 L, a excreção urinária de ácido úrico (35,78 mmol/dia, alantoína na urina (288,42 mmol/dia, alantoína no leite (18,11 mmol/dia e alantoína total (306,54 mmol/dia, a excreção de derivados de purina total (342,33 mmol/dia e de purinas absorvidas (350,03 mmol/dia, a síntese de proteína microbiana (1.376,07g/dia e a eficiência da síntese de proteína microbiana (115,38 g/kgNDTconsumido não foram afetados pela substituição do milho e do feno de tifton por palma na dieta. A excreção de uréia na urina (mg/kg PV e as concentrações de uréia e N-uréia no plasma (mg/dL decresceram de forma linear, enquanto a excreção e as concentrações de uréia e N-uréia no leite e de glicose plasmática não foram influenciadas pelos níveis de palma na dieta. O milho pode ser substituído integralmente e o feno, parcialmente, por palma forrageira em dietas para vacas holandesas em lactação, pois a substituição não afetou a produção de proteína microbiana ou as perdas do nitrogênio dietético pela excreção de uréia.The objective of this trial was to evaluate the effect of replacing

  9. Inclusão de cama de frango em dietas à base de palma forrageira (Opuntia ficus-indica Mill para vacas mestiças em lactação: 1. Consumo e produção Broiler litter in forage cactus based diets (Opuntia ficus-indica Mill for lactating crossbred cows: 1. Nutrients intake and milk yield

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    Maria Carla dos Santos Magalhães

    2004-12-01

    Full Text Available Este trabalho foi conduzido objetivando-se avaliar o efeito da inclusão de diferentes níveis de cama de frango (aproximadamente 0; 10; 20 e 30% na matéria seca (MS de dietas contendo palma forrageira, bagaço de cana-de-açúcar in natura, uréia e farelo de algodão, fornecidas na forma de ração completa, sobre o consumo de nutrientes e a produção de leite de vacas mestiças e verificar o tempo necessário para adaptação dos animais às dietas. Foram utilizadas oito vacas 5/8 Holandês-Gir, após pico de lactação, com produção média de 15 kg de leite/dia e 420 kg de peso vivo, distribuídas em dois quadrados latinos (4 x 4 simultâneos, com quatro períodos, quatro animais e quatro níveis de cama de frango na ração. Os consumos de matéria seca, proteína bruta, fibras em detergente neutro e ácido, carboidratos totais e não-fibrosos e matéria orgânica apresentaram comportamento quadrático significativo, enquanto os consumos de matéria mineral e extrato etéreo aumentaram linearmente com a inclusão de cama de frango nas dietas. A produção de leite, com e sem correção para 4% de gordura, o teor e a produção de gordura e a eficiência alimentar não foram influenciadas pelo incremento de cama de frango nas dietas. O período de adaptação dos animais às dietas pode ser reduzido para sete dias.This work was carried to evaluate the effect of diferents of broiler litter inclusion (approximately 0, 10, 20 and 30%, in dry matter base with 45% forage cactus associaded to sugar cane bagasse, urea and cotonsead meal, in total diet form, on nutrient intake and milk yield and to evaluate the time necessary to adaptation of the animals to diets. Eigth lactating 5/8 crossbred Holstein/Gir cows with 420 kg of LW and production of 15 kg/day, were assigned to tratament sequences in a replicated 4X4 latin square with four periods, four animals and four levels of broiler chiken in the ration. The intakes of dry matter, neutral

  10. Inclusão de cama de frango em dietas à base de palma forrageira (Opuntia ficus-indica Mill para vacas mestiças em lactação: 2. Digestibilidade aparente Inclusion of broiler litter in forage cactus based diets (Opuntia ficus-indica Mill for lactating crossbred cows: 2. Apparent digestibility

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    Maria Carla dos Santos Magalhães

    2004-12-01

    Full Text Available Os coeficientes de digestibilidade aparente de matéria seca (DAMS, de matéria orgânica (DAMO, de proteína bruta (DAPB, de extrato etéreo (DAEE, de carboidratos totais (DACHOT e não-fibrosos (DACNF e de fibras em detergente neutro (DAFDN e ácido (DAFDA foram determinados para avaliar o efeito de diferentes níveis de inclusão de cama de frango (0; 10; 20 e 30% na base da matéria seca, associados à 45% de palma forrageira, bagaço de cana de açúcar in natura, uréia e farelo de algodão, utilizando-se a fibra indigestível em detergente ácido (FDAi como indicador interno para estimar a produção de matéria seca fecal. O valor energético observado para as dietas foi comparado com o predito segundo equações propostas pelo NRC (2001. Foram utilizadas oito vacas 5/8 holando-zebu com produção média de 15 kg de leite/dia e 420kg de peso vivo, após pico de lactação, distribuídas em dois quadrados latinos (4 x 4 simultâneos, com quatro períodos, quatro animais e quatro níveis de cama de frango na ração. Não foi observado efeito significativo do aumento do nível de cama de frango na dieta sobre DAMS, DAMO, DAEE, DACHOT e DAFDN. Entretanto, a DAPB e a DACNF diminuíram linearmente. As equações propostas pelo NRC (2001 para estimativa dos teores de nutrientes digestíveis totais das dietas superestimaram os valores observados.The coeficients of apparent digestibility of dry matter (ADDM, organic matter (ADOM, crude protein (ADCP, ether extract (ADEE, total carboidrates (ADTCHO, nonfiber carboidrates (ADNFC, neutral (ADNDF and acid detergent fiber (ADADF, were determined to evaluate the effect of diferents inclusions of broiler litter (0, 10, 20 and 30% in dry matter basis, with 45% forage cactus associaded to sugar cane bagasse, urea and cottonsead meal, using the method of indigestible acid detergent fiber as intern indicator to estimate fecal dry matter production. The dietary observed energy value were compared to the

  11. Balanço de nitrogênio e estimativas de perdas endógenas em vacas lactantes alimentadas com dietas contendo palma forrageira e teores crescentes de uréia e mandioca = Nitrogen balance and endogenous loss estimate in lactating cows fed with diets of forage cactus and increasing levels of urea and cassava

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    Maria Cláudia Soares Cruz

    2006-01-01

    Full Text Available Foram avaliados os efeitos da substituição do farelo de soja pela mistura uréia mais mandioca, em rações constituídas de palma, silagem de sorgo e concentrado, sobre concentrações de uréia, balanço de nitrogênio (N e estimativas de perdas endógenas totais em 8 vacas Girolando em lactação, distribuídas em dois quadrados latinos simultâneos (4x4. As concentrações de uréia e N-uréico no plasma e leite, em mg/dL e N-uréico no leite (g/dia não foram afetadas pelo aumento do nível de uréia na ração, apresentando médias de 31,37;14,62; 37,43; 17,44; 5,37. As excreções urinárias de uréia e N-uréico também não foram influenciadas, com médias de 249,45 e 116,24 mg/kg PV. Igualmente, o balanço de N não foi afetado pelos tratamentos, cujos valores médios foram de 87,75; 87,63; 62,91; 60,97 g/dia,respectivamente, para 0%, 1,00%, 1,90% e 2,86% de uréia na ração. As estimativas das perdas endógenas variaram de acordo com o sistema de exigência nutricional utilizado.The effects of the soybean when replaced by a mixture of urea and cassava, in rations composed of forage cactus, sorghum silage and concentrate, were assessed on: (i urea concentration; (ii nitrogen (N balance; and (iii total endogenous loss estimate. Eight lactating Holstein/Zebu cows were distributed in two 4x4 simultaneous latin squares. Urea and N-urea concentration in plasma and milk (mg dL-1, and milk N-urea (g day-1 were not affected by the increase of urea levels in the ration; their means were 31.37, 14.62, 37.43, 17.44, and 5.37, respectively. Also, urea and N-urea urinary excretion were not affected by the increase of urea levels in the ration, and the mean values of those parameters were 249.45 and 116.24 mg kg-1 LW, respectively. The treatments did not influence N levels, with average values of 87.75, 87.63, 62.91, and 60.97 g day-1 to 0, 1.06, 2.12 e 3.20 % of urea addition in the ration, respectively. The endogenous loss estimate varied

  12. Distribuição estereoespecífica de lipídios estruturados a partir de gorduras de palma, palmiste e triacilgliceróis de cadeia média Stereospecific distribution of structured lipids obtained from palm oil, palm kernel oil, and medium chain triacylglycerols

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    Denise D'Agostini

    2002-09-01

    Full Text Available Por meio de interesterificação química foram sintetizados lipídios estruturados a partir das gorduras de palma, palmiste e triacilgliceróis de cadeia média. O objetivo deste trabalho foi verificar a distribuição estereoespecífica dos ácidos graxos nos lipídios estruturados. Foi possível comprovar a ocorrência da interesterificação através da hidrólise enzimática, que permitiu conhecer a composição dos ácidos graxos em posições específicas dos triacilgliceróis. Foram estudadas 10 amostras, representadas por 3 amostras individuais, 3 misturas binárias e 4 misturas ternárias. As amostras foram submetidas à hidrólise com lipase pancreática suína à temperatura de 40 ºC e posteriormente analisadas por cromatografia gasosa quanto à composição em ácidos graxos na posição sn-2. A partir dos resultados foram calculados os grupos de triacilgliceróis nas amostras individuais e nas misturas antes e após a reação de interesterificação, utilizando as teorias 1,3-random 2-random e 1,2,3-random. Os resultados demonstraram que antes do rearranjo ao acaso houve preferência do ácido oléico pela posição sn-2, enquanto que os ácidos palmítico e esteárico distribuíram-se principalmente pelas posições sn-1 e sn-3. Nos lipídios estruturados, os ácidos graxos saturados aumentaram sua participação na posição central do triacilglicerol, enquanto que os ácidos graxos insaturados apresentaram diminuição nesta mesma posição.Structured lipids were synthesized by chemical interesterification from palm oil, palm kernel oil, and medium chain triacylglycerols. The objective of this study was to verify the fatty acids positional distribution in the structured lipids. It was possible to confirm the interesterification occurrence through enzymatic hydrolysis, which allowed to know the fatty acids composition in specific positions of the triacylglycerols. Ten samples composed by three individual samples, three binary

  13. Palma forrageira (Opuntia ficus indica Mill e uréia em substituição ao feno de capim tifton (Cynodon spp em dietas de vacas da raça holandesa em lactação. 1. Digestibilidade - DOI: 10.4025/actascianimsci.v28i2.638 Forage cactus (Opuntia ficus indica Mill and urea in replacement of tifton hay (Cynodon spp in lactating Holstein cows diet. 1. Digestibility - DOI: 10.4025/actascianimsci.v28i2.638

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    Antonia Sherlânea Chaves Veras

    2006-01-01

    Full Text Available Foi avaliado o efeito de quatro níveis (0; 12,5; 25; 37,5; e 50% de palma forrageira e uréia em substituição ao feno de capim tifton, na ração de vacas da raça holandesa em lactação sobre a digestibilidade aparente da matéria seca (DAMS, da matéria orgânica (DAMO, da fibra em detergente neutro (DAFDN, da proteína bruta (DAPB, dos carboidratos totais (DACHOT e dos carboidratos não fibrosos (DACNF. Foram utilizadas cinco vacas, com peso médio de 480 kg e produção média de leite de 20 kg/dia, distribuídas em um quadrado latino 5x5. As DAMS, DAMO, DACHOT e DACNF aumentaram, a DAFDN diminuiu linearmente e a DAPB não foi influenciada com o aumento dos níveis de palma e uréia na dieta. Os nutrientes digestíveis totais de mantença, a energia digestível de lactação, energia metabolizável de lactação e energia líquida de lactação aumentaram à medida que eram incluídas palma e uréia na dieta.The effect of five levels forage cactus and urea (0.0, 12.5, 25.0, 37.5 and 50% in replacement of tifton hay in lactating Holstein cows diets, on the apparent digestibility of dry matter (ADDM, organic matter (ADOM, neutral detergent fiber (ADNDF, crude protein (ADCP, total carbohydrates (ADTC and nonfiber carbohydrates (ADNFC were evaluated. Five Holstein cows weighing on average 480 kg and with an average milk yield of 20 kg of milk/day were used in a 5x5 Latin square design. The DM, OM, TC and NFC apparent digestibility increased while NDF apparent digestibility decreased linearly and the CP apparent digestibility was not affected by the inclusion of forage cactus and urea. The total digestible nutrients of maintenance, digestible energy of lactation, metabolizing energy of lactation and liquid energy of lactation increased as the forage cactus and urea levels increased.

  14. Correlation between populations of Rhodnius and presence of palm trees as risk factors for the emergence of Chagas disease in Amazon region, Brazil.

    Science.gov (United States)

    Ricardo-Silva, Alice Helena; Lopes, Catarina M; Ramos, Leandro B; Marques, William A; Mello, Cícero B; Duarte, Rosemere; de la Fuente, Ana Laura Carbajal; Toma, Helena K; Reboredo-Oliveira, Luciana; Kikuchi, Simone A; Baptista, Thaiana F; Santos-Mallet, Jacenir R; Junqueira, Angela Cristina V; Gonçalves, Teresa Cristina M

    2012-09-01

    Among the states that comprise the legally defined Amazon region of Brazil, Pará has presented the highest occurrences of acute cases of Chagas disease over the last two decades. These cases have been attributed to consumption of fruits from native palm trees. In surveys in rural and wild areas of the municipality of Oriximiná, Pará, triatomine fauna, their main ecotopes and the infection rate due to Trypanosoma cruzi were identified using active and passive search methods: manual capture and Noireau traps, respectively. A total of 582 ecotopes were surveyed using 1496 Noireau traps. Out of 442 specimens collected, 289 were identified as Rhodnius robustus and 153 as Rhodnius pictipes. The infection rate caused by T. cruzi was 17.4%. The food sources of the triatomines were found to be birds, hemolymph, horses, and rodents. The association between R. robustus and inajá palm trees (Attalea marita), which are abundant in rural areas, was confirmed. On the other hand, R. pictipes is found in several palm tree species, such as inajá (A. marita), mucajá (Acrocomia aculeata), murumuru (Astrocaryum murumuru) and patauá (Oenocarpus bataua), and in bromeliads in wild areas. These occurrences of triatomine species in regions with or without T. cruzi infection, in the vicinity of the main settlement of the municipality, suggest that there is a need for entomological and epidemiological surveillance in this region.

  15. SUBSTRATE, LIME, PHOSPHORUS AND TOPDRESS FERTILIZATION IN MACAW PALM SEEDLING PRODUCTION

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    Leonardo Duarte Pimentel

    2016-04-01

    Full Text Available ABSTRACT The macaw palm [Acrocomia aculeata (Jacq. Lood. ex Mart] has been domesticated to subsidize biodiesel production programs in Brazil. However, little is known about the seedling production of this species. This study aimed to evaluate substrate mixtures, limestone and phosphorus rates for substrate amendment and topdressing frequency in macaw palm seedlings. Three trials were conducted in a greenhouse up to six months of nursery cultivation. Trial 1: determination of percent mineral and organic fractions of seven substrate mixtures. Trial 2: evaluation of four limerates for soil amendment versus four phosphorus rates. Trial 3: evaluation of N, K and Mg topdressing frequency. Significant differences were found in the three trials for most of the variables (plant height, leaf number, shoot dry mass, root dry mass, vigor and bulb diameter. The main results obtained were as follow: Trial1 - the best seedling growth was observed in substrates with at least 25% organic matter. Trial2 -lime rates ranging from 0.50 to 1.25 kg associated with 3 to 4 kg of single superphosphate per m3 of substrate provided the best seedling growth. Trial 3 - topdressing fertilization provided better development of seedlings regardless of frequency.

  16. Synthesis and Thermomechanical Properties of Polyurethanes and Biocomposites Derived from Macauba Oil and Coconut Husk Fibers

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    Rafael L. Quirino

    2015-08-01

    Full Text Available This work reports on a very effective route to produce bio-based polyurethanes (PUs and composites with high content of renewable carbon sources. The PUs are prepared with polyols synthesized from macauba oil (Acrocomia aculeata and methylene diphenyl diisocyanate, at different [NCO]/[OH] molar ratios. Later, biocomposites are prepared with the as-obtained PUs reinforced with coconut husk fibers. The successful synthesis of natural oil-based polyols is ascribed to the hydroxylation and consumption of carbon-carbon double bonds in the fatty acid chains of the original starting oil as attested by FTIR spectroscopy. According to different thermal analysis techniques (TG, DTG, and DTA, the increase in the [NCO]/[OH] molar ratio improves the thermal stability of PUs, likely due to an increase of crosslinks. Dynamic mechanical analysis evidences the reinforcement effect of coconut husk fibers in bio-based PUs. The present PUs and composites are of low-cost and environmentally friendly materials for structural applications.

  17. Macauba gasification; Gaseificacao da macauba

    Energy Technology Data Exchange (ETDEWEB)

    Santos Filho, Jaime dos; Oliveira, Eron Sardinha de [Instituto Federal de Educacao, Ciencia e Tecnologia da Bahia (IFBA), Vitoria da Conquista, BA (Brazil)], E-mail: jaime@ifba.edu.br; Silva, Jadir Nogueira da; Galvarro, Svetlana Fialho Soria [Universidade Federal de Vicosa (UFV), MG (Brazil); Chaves, Modesto Antonio [Universidade Estadual do Sudoeste da Bahia (UESB), Itapetinga, BA (Brazil). Dept. de Engenharia de Alimentos

    2009-07-01

    For development of a productive activity, with reduced environmental degradation, the use of renewable energy sources as an important option. The gasification has been increasing among the ways of obtaining energy from biomass, and consists of a process where the necessary oxygen to the complete combustion of a fuel it is restricts and, in high temperatures it generates fuel gas of high-quality. In this direction, this work is justified and has its importance as the study of a renewable energy source, macauba coconut (Acrocomia aculeata [Jacq] Lodd), with the gasification process. The objective of this study is to build a biomass concurrent gasifier and evaluate the viability to provide heating for dehydration of fruits, using the macauba coconut as fuel. It was measured the temperature in five points distributed in both gasifier and combustor chamber, being the input area of primary combustor air and also the speed of rotation of the electric motor, using a factorial 3X3 experimental design with three repetitions and interval of measurements of five minutes. The analytical results take to infer that the macauba coconut have potential to be gasified and used for the dehydration of fruits. (author)

  18. Phytochemical Analysis and Antifungal Activity of Extracts from Leaves and Fruit Residues of Brazilian Savanna Plants Aiming Its Use as Safe Fungicides.

    Science.gov (United States)

    Breda, Caroline Alves; Gasperini, Alessandra Marcon; Garcia, Vera Lucia; Monteiro, Karin Maia; Bataglion, Giovana Anceski; Eberlin, Marcos Nogueira; Duarte, Marta Cristina Teixeira

    2016-08-01

    The increasing demand for safe food without preservatives or pesticides residues has encouraged several studies on natural products with antifungal activity and low toxicity. In this study, ethanolic extracts from leaves and fruit residues (peel and seeds) of three Brazilian savanna species (Acrocomia aculeata, Campomanesia adamantium and Caryocar brasiliense) were evaluated against phytopathogenic fungi. Additionally, the most active extract was chemically characterized by ESI-MS and its oral acute toxicity was evaluated. Extracts from C. brasiliense (pequi) peel and leaves were active against Alternaria alternata, Alternaria solani and Venturia pirina with minimal inhibitory concentrations between 350 and 1000 µg/mL. When incorporated in solid media, these extracts extended the lag phase of A. alternata and A. solani and reduced the growth rate of A. solani. Pequi peel extract showed better antifungal activity and their ESI-MS analysis revealed the presence of substances widely reported as antifungal such as gallic acid, quinic acid, ellagic acid, glucogalin and corilagin. The oral acute toxicity was relatively low, being considered safe for use as a potential natural fungicide.

  19. Control of macaw palm seed germination by the gibberellin/abscisic acid balance.

    Science.gov (United States)

    Bicalho, E M; Pintó-Marijuan, M; Morales, M; Müller, M; Munné-Bosch, S; Garcia, Q S

    2015-09-01

    The hormonal mechanisms involved in palm seed germination are not fully understood. To better understand how germination is regulated in Arecaceae, we used macaw palm (Acrocomia aculeata (Jacq.) Lodd. Ex Mart.) seed as a model. Endogenous hormone concentrations, tocopherol and tocotrienol and lipid peroxidation during germination were studied separately in the embryo and endosperm. Evaluations were performed in dry (D), imbibed (I), germinated (G) and non-germinated (NG) seeds treated (+GA3 ) or not treated (control) with gibberellins (GA). With GA3 treatment, seeds germinated faster and to a higher percentage than control seeds. The +GA3 treatment increased total bioactive GA in the embryo during germination relative to the control. Abscisic acid (ABA) concentrations decreased gradually from D to G in both tissues. Embryos of G seeds had a lower ABA content than NG seeds in both treatments. The GA/ABA ratio in the embryo was significantly higher in G than NG seeds. The +GA3 treatment did not significantly affect the GA/ABA ratio in either treatment. Cytokinin content increased from dry to germinated seeds. Jasmonic acid (JA) increased and 1-aminocyclopropane-1-carboylic acid (ACC) decreased after imbibition. In addition, α-tocopherol and α-tocotrienol decreased, while lipid peroxidation increased in the embryo during germination. We conclude that germination in macaw palm seed involves reductions in ABA content and, consequently, increased GA/ABA in the embryo. Furthermore, the imbibition process generates oxidative stress (as observed by changes in vitamin E and MDA).

  20. Utilização de uréia no resíduo desidratado de vitivinícola associado à palma forrageira na alimentação de caprinos: consumo e digestibilidade de nutrientes Addition of urea to dehydrated vineyards residue, associated with forage cactus in goats feeding: intake and nutrient digestibility

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    Manuela Silva Libanio Tosto

    2008-10-01

    Full Text Available Avaliou-se a influência da adição de 0; 0,5; 1 ou 1,5% de uréia no resíduo desidratado de vitivinícolas - utilizado em associação a palma forrageira na alimentação de caprinos - no consumo e na digestibilidade dos nutrientes. Foram utilizados 24 caprinos machos castrados, sem padrão racial definido, com peso vivo médio de 18 kg, distribuídos em blocos ao acaso, de acordo com o peso vivo. O período experimental foi de 20 dias: 15 para adaptação e 5 para coleta. A adição de teores crescentes de uréia ao resíduo desidratado de vitivinícola possibilitou aumento do consumo de matéria seca (MS, matéria orgânica (MO, proteína bruta (PB e fibra em detergente neutro (FDN, expressos em kg/dia, %PV e em g/kgPV0,75. Observou-se consumo linear crescente de nutrientes digest��veis totais (NDT, carboidratos totais (CT e carboidratos não-fibrosos (CNF, em %PV e g/kgPV0,75. Não houve diferença significativa nos consumos de NDT, CT e CNF expressos em kg/dia, cujos valores médios foram 0,363; 0,575 e 0,258, respectivamente. Entretanto, a adição de uréia ao resíduo não influenciou os coeficientes de digestibildade de MS, MO e FDN (médias de 48,13; 46,08 e de 20,37%, respectivamente. Os coeficientes de digestibilidade de CNF apresentaram crescimento linear, enquanto os de PB apresentaram comportamento quadrático, com valor máximo de 48,93%, com a adição de 1,3% de uréia ao resíduo. O uso de uréia no resíduo desidratado de vitivinícola elevou linearmente o consumo de nutrientes, contudo, o nível de 1,3% é o mais indicado, pois promove melhor digestibilidade da proteína bruta de dietas contendo esse alimento alternativo.The effect of the addition of 0.0, 0.5, 1.0 and 1.5% of urea to dehydrated vineyards residue, associated to forage cactus palm in the feeding of goats on intake and nutrient digestibility was evaluated. Twenty-four castrated crossbred goats, without defined breed, with average 18 kg of BW were

  1. Controle da antracnose na pós-colheita de manga 'Ubá' com o uso de produtos alternativos

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    Lorena Moreira Carvalho Lemos

    2013-12-01

    Full Text Available Foi avaliada a eficácia de produtos alternativos aos agroquímicos no controle da antracnose na pós-colheita de mangas 'Ubá'. Frutos fisiologicamente maduros foram pulverizados até o completo molhamento, com suspensão de conídios de Colletotrichum gloeosporioides, na concentração de 2,5 x 10(5 conídios/mL. Após a secagem ao ar, foram pulverizados com água destilada (testemunha, tween 20 (8 mL/L de solução, Prochloraz (1,10 mL de Sportak 450 EC/L de solução, óleo de alho (10 mL/L + 8 mL/L de tween 20, óleo de amêndoa de Acrocomia aculeata + leite em pó instantâneo (LPI (25 mL/L+ 10 g LPI/L, óleo de amêndoa de A. aculeata + tween (25 mL/L + 8 mL/L de tween 20, biofertilizante agro-mos® (100 µL/L, óleo de neen (10 mL/L + 8 mL/L de tween 20, quitosana (10 mL/L + 8 mL/L de tween 20 e biomassa cítrica (10 mL/L + 8 mL/L tween 20.O solvente utilizado foi água destilada. Avaliaram-se o período de incubação, o período latente, a perda de massa fresca, a produção de CO² e, diariamente, a severidade e incidência da doença. Os períodos mais curtos de incubação da doença foram observados nos frutos tratados com óleo de neen, água + tween e biomassa cítrica, com aproximadamente cinco dias. O óleo de amêndoa de A. aculeata + LPI e agro-mos® foram os produtos que mais retardaram o aparecimento dos sintomas, impondo à doença o período de incubação de nove dias após a inoculação do patógeno. Quanto à severidade, o óleo de amêndoa de macaúba + LPI e o Prochloraz foram os mais eficientes em conter o crescimento do patógeno até o oitavo dia após a inoculação, sendo que, logo depois, os frutos tratados com óleo de amêndoa de A. aculeata + LPI se igualaram àqueles tratados com a maioria dos demais produtos. Os frutos tratados com óleo de amêndoa de A. aculeata + LPI e óleo de amêndoa de A. aculeata + tween manifestaram as estruturas do patógeno apenas após 13 e 14 dias de avalia

  2. Environ: E00521 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available , Sepia pharaonis [TAX:158019], Sepia aculeata [TAX:153282], Sepia andreana [TAX:... latimanus, Sepia lycidas, Sepia pharaonis, Sepia aculeata, Sepia andreana, Sepia officinalis oracle bones (

  3. Efeitos da substituição do feno de capim-tifton e do farelo de milho pela palma forrageira e pelo farelo de soja sobre a ingestão de alimentos e parâmetros fisiológicos - DOI: 10.4025/actascianimsci.v27i4.1149 Effect of the replacement of Tifton grass hay and the corn meal by forage cactus and soybean meal on the ingestion of foods and physiological parameters - DOI: 10.4025/actascianimsci.v27i4.1149

    Directory of Open Access Journals (Sweden)

    Veronaldo Oliveira

    2005-03-01

    Full Text Available O experimento objetivou avaliar o comportamento ingestivo de vacas leiteiras da raça Holandesa em lactação, alimentadas com rações contendo diferentes níveis (0; 12,0; 25,0; 38,0 e 51,0% de palma forrageira (Opuntia ficus indica, Mill. Foram utilizadas 5 vacas, distribuídas em delineamento de quadrado latino. As variáveis comportamentais foram observadas a intervalos de 5 minutos, em 24 horas. Os registros de temperatura ambiente, umidade relativa do ar, temperatura retal e freqüência respiratória foram efetuados pela manhã e à tarde. A inclusão de palma influenciou linearmente os tempos de ruminação (redução e ócio (aumento; quadraticamente o consumo de matéria seca (CMS e a eficiência de alimentação e de ruminação em função do CMS e linearmente decrescente o consumo de fibra em detergente neutro (CFDN, a eficiência de ruminação e alimentação em função do CFDN. A temperatura retal no turno da tarde e a ingestão de água diminuíram linearmenteThe experiment was conducted to evaluate the ingestive behavior of lactating Holstein cows fed diet with different replacement levels (0; 12.9; 25.8; 38.7 e 51.6% of forage cactus (Opuntia fícus indica, Mill. Five cows were assigned to a 5x5 square design. The registration of variables behaviors was accomplished in a visual way, at intervals of five minutes, in 24 hours. The registration of room temperature, humidity relative, rectal temperature and respiratory frequency were performed in the morning and in the afternoon. The rumination time decreased linearly and resting increased linearly; the dry matter intake (DMI, the rumination and feeding efficiency in function of DMI had quadratic behavior; the fiber neutral detergent intake (FNDI, the rumination and feeding efficiency in function of FNDI decreased linearly; the rectal temperature in the afternoon and the water intake decreased linearly, in function of forage cactus levels in the diet

  4. Associação da palma forrageira com diferentes tipos de volumosos em dietas para vacas em lactação: comportamento ingestivo e parâmetros fisiológicos - DOI: 10.4025/actascianimsci.v29i2.239 Association of the forage cactus with different types of forage in diets for lactating cows: ingestive behaviour and physiologic parameters - DOI: 10.4025/actascianimsci.v29i2.239

    Directory of Open Access Journals (Sweden)

    Marcilio de Azevedo

    2007-11-01

    Full Text Available O experimento foi realizado de janeiro a abril de 2005, objetivando avaliar o comportamento ingestivo e os parâmetros fisiológicos de vacas da raça Holandesa em lactação, alimentadas com concentrado e palma forrageira associada a diferentes volumosos (bagaço de cana-de-açúcar em in natura, feno de capim-tifton, feno de capim-elefante, silagem de sorgo e bagaço de cana mais silagem de sorgo. Foram utilizadas cinco vacas, distribuídas em quadrado latino 5 x 5, após período pré-experimental de quatorze dias. Cada período experimental teve duração de 14 dias. O registro das variáveis comportamentais foi de forma visual, em intervalos de cinco minutos, em 24 horas. O ambiente foi monitorado de hora em hora, das 6h às 18h, por meio dos termômetros de bulbo seco e úmido. A temperatura retal e freqüência respiratória foram registradas às 9h e 18h. O consumo de água foi mensurado às 5h30min e 17h30min. Não houve diferença (p > 0,05 entre os volumosos, quanto às variáveis fisiológicas e comportamentais, ao número de defecação e micção e a procura por água. Houve diferença (p The experiment was carried out from January to April 2005, evaluating the ingestive behaviour and physiologic parameters of lactating Holstein cows fed with cactus forage associated with different forage (sugarcane bagasse in natura, tifton grass hay, elephant grass hay, sorghum silage and sorghum silage plus sugarcane bagasse. Five cows were assigned to a 5 x 5 latin square design, after pre-experimental period of 14 days. Each experimental period lasted 14 days. The registration of the behavior variables was in a visual way, at five-minute intervals, in 24 hours. The ambient temperature was monitored every hour, from 6 am to 6 pm, through bulb dry and humid thermometer. Rectal temperature and respiratory frequency were registered at 9 am and at 6 pm. The water intake was measured at 5.30 am and at 5.30 pm. There was no difference (p > 0.05 among

  5. Poisoning by carnauba (Copernicia prunifera, Palmae leaves in ruminants Intoxicação pelas folhas de carnaúba, Copernicia prunifera (Palmae em ruminantes

    Directory of Open Access Journals (Sweden)

    Benito Soto-Blanco

    2008-07-01

    Full Text Available

    The use of leaves of Prunifera Copernicia (Arecaceae as exclusive food of bovines was associated by the death of 40 of the 146 animals during a period of 2 months of consumption. The leaves of this plant had been supplied experimentally for two goats that died with 31 and 56 days the beginning of the ingestion. Clinical manifestations consisted in increased feces consistence, weakness, recumbence and death. The main pathological findings had been epithelial tubular degeneration and necrosis in the kidneys and hepatic centrolobular coagulative necrosis associated with congestion and hemorrhage. This work relates the mortality of bovines to the leaf consumption of Copernicia prunifera and characterizes it the experimental poisoning for this plant in goat.

     

    KEY WORDS: Cattle, Copernicia prunifera, goats, poisonous plants.

    Apontou-se a utilização das folhas de Copernicia prunifera (Arecaceae como alimento exclusivo para bovinos como responsável pela morte de 40 dos 146 animais durante um período de dois meses de consumo. Administraram-se as folhas dessa planta experimentalmente para dois caprinos que morreram com 31 e 56 dias após o início da ingestão. Clinicamente a doença foi caracterizada por aumento de consistência das fezes, fraqueza, decúbito e morte. As principais alterações patológicas foram degeneração e necrose do epitélio tubular renal e necrose hepatocelular centrolobular associada com congestão e hemorragia. Este trabalho relaciona a mortalidade de bovinos ao consumo de folhas de Copernicia prunifera e caracteriza a intoxicação experimental por esta planta em caprinos.

     

    PALAVRAS-CHAVES: Bovinos, Copernicia prunifera, carnaúba, caprinos, plantas tóxicas

  6. Uma nova espécie de Euterpe (Palmae - Arecoideae - Areceae do Brasil A new species of Euterpe (Palmae - Arecoideae - Areceae

    Directory of Open Access Journals (Sweden)

    Helio de Queiroz Boudet Fernandes

    1989-12-01

    Full Text Available Euterpe espiritosantensis Fernandes é descrita e ilustrada a partir de coleções feitas no município de Santa Teresa, estado do Espírito Santo, sendo comparada com Euterpe edulis Martius, espécie dispersa nas florestas do leste do Brasil, com quem está relacionada. São feitas considerações sobre nomes vulgares, fenologia, ocorrência, habitat, usos e conservação.Euterpe espiritosantensis Fernandes is described and illustrated from collections in the municipality of Santa Teresa, state of Espírito Santo, as compared with Euterpe edulis Martius, a widespread species of eastern Brazil forests, to which is related. Considerations about common names, fenology, ocurrence, habitat, uses and conservation are made.

  7. Poisoning by carnauba (Copernicia prunifera, Palmae) leaves in ruminants Intoxicação pelas folhas de carnaúba, Copernicia prunifera (Palmae) em ruminantes

    OpenAIRE

    Benito Soto-Blanco; Jael Soares Batista; Raquel Ribeiro Barbosa; Gildarte Araújo Pereira de Andrade

    2008-01-01

    The use of leaves of Prunifera Copernicia (Arecaceae) as exclusive food of bovines was associated by the death of 40 of the 146 animals during a period of 2 months of consumption. The leaves of this plant had been supplied experimentally for two goats that died with 31 and 56 days the beginning of the ingestion. Clinical manifestations consisted in increased feces consistence, weakness, recumbence and death. The main pathological findi...

  8. Elemental contents in exotic Brazilian tropical fruits evaluated by energy dispersive X-ray fluorescence Composição mineral determinado por fluorescência de raios-X dispersiva de energia de frutos exóticos tropicais brasileiros

    Directory of Open Access Journals (Sweden)

    Alessandra Lopes de Oliveira

    2006-02-01

    Full Text Available The exotic flavor of Brazilian tropical fruits led to increased consumption. Consumers awareness regarding balanced diets, makes necessary determining nutritional composition - vitamins and minerals of the fruits ordinarily consumed. This study contributed to the evaluation of macro (K, Ca and microelements (Mn, Fe, Cu, Zn and Br in eight exotic Brazilian tropical fruits: "abiu" (Lucuma caimito Ruiz & Pav., "jenipapo" (Genipa americana L., "jambo rosa" (rose apple, Eugenia Jambos L., "jambo vermelho" (Syzygium malaccence L., Merr & Perry, "macaúba" (Acrocomia aculeata Jacq. Lood. Ex Mart., "mangaba" (Hancornia speciosa, "pitanga" (Brazilian Cherry, Eugenia uniflora L., and tamarind (Tamarindus indica L., using the Energy Dispersive X-Ray Fluorescence (EDXRF technique. "jambo vermelho" and "macaúba" presented the highest values of K concentrations, 1,558 and 1,725 mg 100 g-1, respectively. On the other hand, Ca concentrations were highest in "macaúba" (680 mg 100 g-1 and "jenipapo" (341 mg 100 g-1. The microelemental concentrations in these eight fruits ranged from: 0.9 to 2.0 mg 100 g-1 for Mn, 3.9 to 11.4 mg 100 g-1 for Fe, 0.5 to 1.0 mg 100 g-1 for Cu, 0.6 to 1.5 mg 100 g-1 for, Zn and 0.3 to 1.3 mg 100 g-1 for Br. The amounts of macro and microelements in the eight fruits analyzed were compared to other tropical fruits and it was found that some of them could be classified as rich sources for these macro and microelements.O sabor exótico dos frutos tropicais brasileiros vem contribuindo para o aumento de seu consumo. Ao se considerar a busca por uma alimentação balanceada, por consumidores cada vez mais exigentes, o conhecimento da composição de vitaminas e sais minerais dos frutos que compõe a dieta se faz necessário. Desta forma o presente trabalho vem contribuir com a determinação da concentração de macro (K e Ca e microelementos (Mn, Fe, Cu, Zn e Br em oito frutos tropicais exóticos brasileiros: abiu (Lucuma caimito Ruiz

  9. Assessing the use of forest islands by parrot species in a neotropical savanna

    Directory of Open Access Journals (Sweden)

    Igor Berkunsky

    2015-06-01

    Full Text Available Understanding the effect of habitat fragmentation is a fundamental yet complicated aim of many ecological studies. Beni savanna is a naturally fragmented forest habitat, where forest islands exhibit variation in resources and threats. To understand how the availability of resources and threats affect the use of forest islands by parrots, we applied occupancy modeling to quantify use and detection probabilities for 12 parrot species on 60 forest islands. The presence of urucuri (Attalea phalerata and macaw (Acrocomia aculeata palms, the number of tree cavities on the islands, and the presence of selective logging,and fire were included as covariates associated with availability of resources and threats. The model-selection analysis indicated that both resources and threats variables explained the use of forest islands by parrots. For most species, the best models confirmed predictions. The number of cavities was positively associated with use of forest islands by 11 species. The area of the island and the presence of macaw palm showed a positive association with the probability of use by seven and five species, respectively, while selective logging and fire showed a negative association with five and six species, respectively. The Blue-throated Macaw (Ara glaucogularis, the critically endangered parrot species endemic to our study area, was the only species that showed a negative association with both threats. Monitoring continues to be essential to evaluate conservation and management actions of parrot populations. Understanding of how species are using this natural fragmented habitat will help determine which fragments should be preserved and which conservation actions are needed.

  10. Realitat augmentada per Android a la ciutat de Palma de Mallorca (RAPAMA)

    OpenAIRE

    Tirado, Pedro

    2012-01-01

    Aquest projecte de final de carrera (PFC) consisteix en l'estudi, anàlisi, disseny i implementació d'un sistema de realitat augmentada (RA) que permet localitzar les aturades dels serveis de transport públic de la ciutat, així com detectar les més properes a la ubicació actual de l'usuari. Per aquest projecte s'ha desenvolupat una aplicació Android amb el framework LookAR que permet detectar la posició i orientació del dispositiu i informarà de les aturades es troben més a prop. Per això...

  11. Embalse de laguna de Barlovento la Palma, Canarias – España

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    Forteza Steegmann, C.

    1976-04-01

    Full Text Available This article describes various studies and the works that have been necessary to transform the natural existing basin into a dam, although the actual idea is rather that of a big water reservoir; analysis of the gorge, construction of the water-pipes, canals and weirs; the most suitable solution of the casting problem, etc. The dam volume has a geometric shape enclosed by two concentric oval lines, one at 732 m height, and the lower at 695 m. The axes of the two ovals are 615 x 570 m and 249 x 144 m, respectively. The maximum height of the water is 730 m (with a 2 m margin to allow for waves and water rushes and to meet the specifications for inland dikes. Hence, its capacity is approximately 4,450,406 m2.Se describen en este artículo los diversos estudios y las obras necesarias para acondicionar la depresión natural existente, utilizándola como embalse, aunque la idea conceptual es más bien la de un depósito de grandes dimensiones; análisis de barrancos, construcción de las conducciones de trasvase precisas para su llenado, de canales, túneles, tuberías y azudes; solución más idónea de los problemas de vaciado, etc. La superficie total de cuencas trasvase es de 2.562 ha, estando constituida la configuración geométrica del depósito por una superficie reglada engendrada por una directriz quebrada que se apoya en dos óvalos concéntricos a las cotas 732 y 695; el superior tiene 615 x 510 m, y el inferior, 249 x 144 m. La cota máxima de embalse es de 730 (con 2 m de resguardo para absorber sobre elevaciones, en avenidas y oleajes, y en cumplimiento de la Instrucción para diques de fierra], con lo cual su capacidad es de unos 5.450.406 m2.

  12. Edificio de viviendas, locales comerciales y oficinas - Las Palmas, Gran Canaria

    Directory of Open Access Journals (Sweden)

    López Díaz, -

    1979-08-01

    Full Text Available This building stands on a square plot, between party walls, in a narrow old city street. The ground and basement levels are used for commercial spaces, the next levels above for office space and the last three upper levels for apartments, plus a setback penthouse. Each apartment, consisting of living-dining room, services and four double bed-rooms, is layed out lengthwise along a line perpendicular to the Street front, so as to better use the narrow available space, while the natural lighting and ventilation of the inner rooms is achieved by means of numerous shafts distributed throughout the surface. The building features reinforced concrete structure and special concrete panel partitions. The façade combines the same concrete panels, faced with ceramic tiles, with large aluminium windows and artificial, modular shaped, window sills and spandrels.

    En una parcela cuadrada, situada en una estrecha calle de la ciudad, se ha levantado este edificio entre medianerías que destina la planta baja y el sótano a locales comerciales, los dos niveles siguientes a oficinas y a viviendas las tres plantas superiores y el ático retranqueado. Cada vivienda —compuesta por estar-comedor, zona de servicio y cuatro dormitorios dobles— se desarrolla en sentido longitudinal, perpendicularmente a la calle, a fin de aprovechar la escasa fachada del edificio, obteniéndose la iluminación y ventilación naturales de las dependencias interiores mediante pequeños patios diseminados en la superficie. La construcción emplea estructura de hormigón armado y tabiquería constituida por piezas especiales de hormigón. En la fachada se combinan las mismas piezas de hormigón revestidas con plaquetas cerámicas, con grandes ventanales de aluminio y antepechos de piedra artificial de conformación reglada.

  13. 黑西哥棕榈购物中心%LAS PALMAS Shopping Center,MEXICO

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

    @@ Las Palmas是位于墨西哥海滨城市Veracruz的一座新的购物中心,Veracruz地处墨西哥湾,属于热带气候,因而有着浓厚而独特的加勒比风情.该购物中心的目标顾客是中低收入阶层的人士,设计将为顾客营造一个休闲和轻松的氛围,同时又能体现Veracruz的精华.

  14. New species of Uvariopsis (Annonaceae) and Laccosperma (Arecaceae/Palmae) from Monts de Cristal, Gabon

    Science.gov (United States)

    Couvreur, Thomas L.P.; Niangadouma, Raoul

    2016-01-01

    Abstract Monts de Cristal National Park in northwest Gabon is one of the most species rich places in Central Africa. Here, we describe two new species, one in Annonaceae and one in palms. Uvariopsis citrata Couvreur & Niangadouma, sp. nov. is unique in the genus by emitting a strong lemon scent from the crushed leaves and young branches. Laccosperma cristalensis Couvreur & Niangadouma, sp. nov. is a rattan that lacks acanthophylls on the cirrus and has few pinnae. Complete descriptions, photographic illustrations, ecological information and preliminary IUCN conservation status are provided. For both species a data deficient (DD) status is proposed. These new species underline once again that the Monts de Cristal National Park is yet incompletely known botanically. PMID:27698570

  15. Plant invasion and speciation along elevational gradients on the oceanic island La Palma, Canary Islands

    DEFF Research Database (Denmark)

    Steinbauer, Manuel; Irl, Severin David Howard; González-Mancebo, Juana Maria;

    2016-01-01

    Background: Ecosystems that provide environmental opportunities but are poor in species and functional richness generally support speciation as well as invasion processes. These processes are expected not to be equally effective along elevational gradients due to specific ecological, spatial...... and anthropogenic filters, thus controlling the dispersal and establishment of species. Here, we investigate speciation and invasion processes along elevational gradients. Methods: We assess the vascular plant species richness as well as the number and percentage of endemic species and non-native species...

  16. Use of palmae wax hydrocarbon fractions as chemotaxonomical markers in Butia and Syagrus

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    N. Paroul

    Full Text Available The wax hydrocarbon fractions of native Butia and Syagrus species collected from Palms in different regions of the of Rio Grande do Sul state (Brazil and in Rocha (Uruguay were analyzed to evaluate their potential as chemotaxonomic markers. The wax was extracted with chloroform and the resulting wax was fractionated by preparative TLC. The hydrocarbon fractions were analyzed by GC-MS. Statistical analyses were completed with the Statistica 5.0 program. The total crude wax yields averaged 0.31% w.w-1 dried leaves for Butia samples and 0.28% for Syagrus samples. The linear hydrocarbons represented on average 15% of the total waxes in the case of Butia samples and 13.7% in Syagrus samples. Hentriacontane and triacontane were the main components of all samples. The comparison of the means showed significant differences among Butia and Syagrus samples, and amongst Butia samples collected in different localities. In the case of the Syagrus collections no consistent groupings could be made. In the case of Butia samples the formation of three groupings could be observed, which were consistent with the species described for their geographical distribution. These results are discussed in the paper.

  17. Poder, conflicto y orden. Penitenciaría Nacional Villa de las Palmas (Colombia

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    Miriam Fajardo

    2011-07-01

    Full Text Available In this paper, readers will find a description of such a particular social institutions as prison. The aim of this paper is to demonstrate how, along social interactions during daily life of detainees, relations between power and conflict have been constructed giving the way to the order alterative to the legal one endorsed by the State. Despite of the fact that this institution is based on the convergence of diverse actors of power like the administration, the guards, and the detainees, it is the relations between the latter two which are of a special interest to the author of this paper, since these actors are transformed into the key ones in terms of power needed to construct what we have called an alternative order.

  18. Sustentabilidade da agroindústria de palma no estado do Pará

    OpenAIRE

    Sergio Augusto Oliveira Alves

    2011-01-01

    O dendezeiro (Elaeis guineensis, Jacq.) é uma planta originaria da África, pertencente à família Arecaceae e gênero Elaeis. A Indonésia e a Malásia são os maiores produtores, responsáveis por 90% da produção, enquanto o Brasil representa apenas 0,5 %. Entretanto, esses países esgotaram sua áreas de plantio e não podem mais avançar por força de comitês internacionais de sustentabilidade que não permitem o plantio em áreas nativas. E nesse contexto, que o estado do Pará surge em potencial para ...

  19. 2 Obras de A. Lamela: Edificios Sol y La Caleta en Palma de Mallorca

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    Lamela, A.

    1967-11-01

    Full Text Available 2 Buildings designed by A. Lamela Sol Building This is a commercial and apartments block, and has a basement, ground floor, and ten stories above it. On each of the top ten stories there are twelve apartments. The design of this building is highly influenced by the gardening that surrounds it. La Caleta Building This is another commercial and apartments building, consisting of a lower block, part of which is covered with a terrace, gardens and a swimming pool, and a higher block. The apartments are all similarly designed, and only vary in the number of bedrooms. The design is especially «clean», simple and up to date.Edificio SOL - Proyectado en 1960, Terminado en 1983 Destinado a edificio de apartamentos y comercial, consta de: planta de sótano, baja, primera y nueve plantas tipo. Los apartamentos están localizados en la primera planta y las plantas tipo, en número de doce por planta. En el desarrollo de este proyecto, la jardinería ha jugado un papel muy importante. Edificio La Caleta - Proyectado en 1961.Terminado en 1964. Este edificio de apartamentos y locales comerciales, consta: de un volumen «inferior» cubierto por una terraza ajardinada con piscina, y de un bloque «superior» Los programas de cada uno de los apartamentos son similares, variando únicamente el número de sus dormitorios. El conjunto construido se distingue por su arquitectura limpia, simple y actual.

  20. La razón racial. Clemente Palma y el racismo a fines del siglo XIX

    OpenAIRE

    2012-01-01

    Subrayo, en primer lugar, que el libro esté dedicado a David Sobrevilla, un filósofo que, siguiendo inicialmente las huellas de Augusto Salazar Bondy, ha empeñado sus reconocidas competencias en reconstruir y “repensar” (término que le es particularmente querido) nuestra tradición filosófica de los dos últimos siglos. El campo abierto por estos maestros sanmarquinos está siendo hoy cultivado por nuevas generaciones de fil&oac...

  1. Lviv Copy of Missing Painting by Iacomo Negretti Called Palma II Vechio

    Directory of Open Access Journals (Sweden)

    Marta Giżyńska-Matecka

    2004-12-01

    Full Text Available For over a hundred years in a private collection in Cracow there has been a distemper painting on parchment with an image of the Holy Family. Dark letters show through the faded front as the back was originally a document written in the Roman type. When the document expired, the other side of the parchment was used for a painting and the format was moved by 90 degrees. The document is a decorated copy of a church fair privilege given by pope Pius VI to the Bemardine Nuns in Lviv in 1777. At the bottom there is an authentication issued in the Obroszyn castle by a Lviv archbishop Waclaw Hieronim Sierakowski. Thus, both the copy and the authentication were issued jointly in Lviv Archbishop Curia in Lviv.

  2. VizieR Online Data Catalog: New Variables in 3 Galactic open clusters (Palma+, 2016)

    Science.gov (United States)

    Palma, T.; Minniti, D.; Dekany, I.; Claria, J. J.; Alonso-Garcia, J.; Gramajo, L. V.; Ramirez Alegria, S.; Bonatto, C.

    2016-11-01

    The observations were made as part of the VVV Survey. For each cluster field, we extracted and analyzed VVV data for objects that best matched the positions of previously reported variable stars (Zejda et al., 2012, Cat. J/A+A/548/A97), and also performed a blind variability search. (3 data files).

  3. Biomass estimation in a young stand of mesquite (Prosopis species), ironwood (Olneya tesota), pado verde (Cercidium floridium, and Parkinsonia aculeata), and leucaena (Leucaena leucocephala)

    Energy Technology Data Exchange (ETDEWEB)

    Felker, P.; Clark, P.R.; Osborn, J.F.; Cannell, G.H.

    1982-01-01

    Simple methods for estimating standing biomass in a stand of tree legumes containing the genera Prosopis, Cercidium, Olneya, Leucaena, and Parkinsonia are reported. Fresh and dry biomass were related to height and stem diameter measurements for 212 leguminous trees ranging in biomass from 0.04 to 17.8 kg using linear regression. The dry matter content of the above-ground biomass of these genera ranged from 40-56% and the stem dry matter percentage ranged from 70 to 96%. The best functional form of the model was log 10 dry weight (kg) = 2.55 log basal diameter (cm)-1.25, which had an r2 of 0.956 for 212 samples.

  4. Isolation, amino acid sequence and biological activities of novel long-chain polyamine-associated peptide toxins from the sponge Axinyssa aculeata.

    Science.gov (United States)

    Matsunaga, Satoko; Jimbo, Mitsuru; Gill, Martin B; Wyhe, L Leanne Lash-Van; Murata, Michio; Nonomura, Ken'ichi; Swanson, Geoffrey T; Sakai, Ryuichi

    2011-09-19

    A novel family of functionalized peptide toxins, aculeines (ACUs), was isolated from the marine sponge Axinyssa aculeate. ACUs are polypeptides with N-terminal residues that are modified by the addition of long-chain polyamines (LCPA). Aculeines were present in the sponge extract as a complex mixture with differing polyamine chain lengths and peptide structures. ACU-A and B, which were purified in this study, share a common polypeptide chain but differ in their N-terminal residue modifications. The amino acid sequence of the polypeptide portion of ACU-A and B was deduced from 3' and 5' RACE, and supported by Edman degradation and mass spectral analysis of peptide fragments. ACU induced convulsions upon intracerebroventricular (i.c.v.) injection in mice, and disrupted neuronal membrane integrity in electrophysiological assays. ACU also lysed erythrocytes with a potency that differed between animal species. Here we describe the isolation, amino acid sequence, and biological activity of this new group of cytotoxic sponge peptides.

  5. Additions to the checklist of Scoliidae, Sphecidae, Pompilidae and Vespidae of Peru, with notes on the endemic status of some species (Hymenoptera, Aculeata)

    Science.gov (United States)

    dos Santos, Eduardo Fernando; Grandinete, Yuri Campanholo; Noll, Fernando Barbosa

    2015-01-01

    Abstract The first checklist of the Peruvian Hymenoptera listed 1169 species and subspecies of aculeate wasps, including 173 species of Pompilidae, seven of Scoliidae, 39 of Sphecidae and 403 of Vespidae. Herein are reported 32 species as new for Peru based mainly on the collection of the Natural History Museum, London. The loss of the endemic status of two species is also reported: Entypus peruvianus (Rohwer) (Pompilidae: Pepsinae) and Omicron ruficolle schunkei Giordani Soika (Vespidae: Eumeninae). PMID:26448706

  6. Mitochondrial genomes of Vanhornia eucnemidarum (Apocrita: Vanhorniidae) and Primeuchroeus spp. (Aculeata: Chrysididae): Evidence of rearranged mitochondrial genomes within the Apocrita (Insecta: Hymenoptera).

    Science.gov (United States)

    Castro, Lyda Raquel; Ruberu, Kalani; Dowton, Mark

    2006-07-01

    We sequenced most of the mitochondrial (mt) genomes of 2 apocritan taxa: Vanhornia eucnemidarum and Primeuchroeus spp. These mt genomes have similar nucleotide composition and codon usage to those of mt genomes reported for other Hymenoptera, with a total A + T content of 80.1% and 78.2%, respectively. Gene content corresponds to that of other metazoan mt genomes, but gene organization is not conserved. There are a total of 6 tRNA genes rearranged in V. eucnemidarum and 9 in Primeuchroeus spp. Additionally, several noncoding regions were found in the mt genome of V. eucnemidarum, as well as evidence of a sustained gene duplication involving 3 tRNA genes. We also report an inversion of the large and small ribosomal RNA genes in Primeuchroeus spp. mt genome. However, none of the rearrangements reported are phylogenetically informative with respect to the current taxon sample.

  7. On palms, bugs, and Chagas disease in the Americas.

    Science.gov (United States)

    Abad-Franch, Fernando; Lima, Marli M; Sarquis, Otília; Gurgel-Gonçalves, Rodrigo; Sánchez-Martín, María; Calzada, José; Saldaña, Azael; Monteiro, Fernando A; Palomeque, Francisco S; Santos, Walter S; Angulo, Victor M; Esteban, Lyda; Dias, Fernando B S; Diotaiuti, Liléia; Bar, María Esther; Gottdenker, Nicole L

    2015-11-01

    Palms are ubiquitous across Neotropical landscapes, from pristine forests or savannahs to large cities. Although palms provide useful ecosystem services, they also offer suitable habitat for triatomines and for Trypanosoma cruzi mammalian hosts. Wild triatomines often invade houses by flying from nearby palms, potentially leading to new cases of human Chagas disease. Understanding and predicting triatomine-palm associations and palm infestation probabilities is important for enhancing Chagas disease prevention in areas where palm-associated vectors transmit T. cruzi. We present a comprehensive overview of palm infestation by triatomines in the Americas, combining a thorough reanalysis of our published and unpublished records with an in-depth review of the literature. We use site-occupancy modeling (SOM) to examine infestation in 3590 palms sampled with non-destructive methods, and standard statistics to describe and compare infestation in 2940 palms sampled by felling-and-dissection. Thirty-eight palm species (18 genera) have been reported to be infested by ∼39 triatomine species (10 genera) from the USA to Argentina. Overall infestation varied from 49.1-55.3% (SOM) to 62.6-66.1% (dissection), with important heterogeneities among sub-regions and particularly among palm species. Large palms with complex crowns (e.g., Attalea butyracea, Acrocomia aculeata) and some medium-crowned palms (e.g., Copernicia, Butia) are often infested; in slender, small-crowned palms (e.g., Euterpe) triatomines associate with vertebrate nests. Palm infestation tends to be higher in rural settings, but urban palms can also be infested. Most Rhodnius species are probably true palm specialists, whereas Psammolestes, Eratyrus, Cavernicola, Panstrongylus, Triatoma, Alberprosenia, and some Bolboderini seem to use palms opportunistically. Palms provide extensive habitat for enzootic T. cruzi cycles and a critical link between wild cycles and transmission to humans. Unless effective means to

  8. Procedure of quality control specific of patient treatment with VMAT (RAPIDARC) implemented in the HUGC Dr Negrin (Las Palmas); Procedimiento de control de calidad especifico de paciente para tratamientos con VMAT (RAPIDARC) implantado en el HUGC DR Negrin (Las Palmas)

    Energy Technology Data Exchange (ETDEWEB)

    Luque Japon, I.; Sanchez Carrascal, M.; Torres Pozas, S.; Marti Asenjo, J.; Madan Rodriguez, C.; Ruiz Egea, E.; Godoy Cazorla, J. I.; Martin Oliva, R.

    2013-07-01

    Following the introduction of the new RapidArc (Varian Medical Systems) technology to treat patients in our department, it became necessary to establish a protocol specific quality control of each. (Author)

  9. Morfologia do pólen anemófilo e alergizante no Brasil: VI. Gramineae, Palmae, Typhaceae, Cyperaceae, Cupressaceae e Combretaceae Morphology of the anemophilous and allergenic pollen grains in Brazil: IV. Gramineae, Palmae, Typhaceae, Cyperaceae, Cupressaceae and Combretaceae

    Directory of Open Access Journals (Sweden)

    Ortrud Monika Barth

    1976-01-01

    Full Text Available Nesta última parte do Catálogo são estudados os grãos de pólen das espécies anemófilas pertencentes ás monocotiledôneas. Á relação anterior das espécies foi adicionado o estudo polínico de uma Cupressaceae e uma Combretaceae. É apresentada uma chave geral de identificação, através da morfologia polínica, das espécies de plantas com dispersão anemófila, tratadas nas três partes anteriores deste Catálogo.In this last part of the catalogue we have studied the pollen grains of the anemophilous species belonging to the monocotyledons. To the list of the formerly studied species were added the pollinic descriptions of one Cupressaceae and one Combretaceae. A general key is presented for identification by pollen morphology of the anemophilous species also described in the three former parts of the Catalogue.

  10. Foundations and anchors for a 250 m span arch bridge in la Palma Island (Canaries); Cimentaciones y anclajes para la construccion del Arco de los tilos, de 250 m. de luz, en la isla de la Palma (Canarias)

    Energy Technology Data Exchange (ETDEWEB)

    Simic Sureda, D.

    2008-07-01

    There are no simple procedures to estimate the bearing capacity of direct foundations on rock due to its anisotropy, as the criteria have to take into account different features concerning the rock discontinuities (spacing, orientation, opening, persistence,...) as well as other aspects concerning the rock matrix, particularly its strength when it is low. In this sense, the volcanic formations of the Canary Island pose important difficulties to the designer of foundations given their highly anisotropic fabric, which is the result of a complex origin where the basalt sheets alternate with fragmentary material of pyroclastic nature. This volcanic building is frequently intersected by old vents, in the guise of pipes plugged with broken fragments of low compacity. In a valley of highly dissected steep slopes of such geology an arch bridge has been designed and built with a span between supports of 250 m. This paper describes the analysis that was carried out to take into account the particularities of rock anisotropy and the foundations geometry in very steep slopes. The construction problems are also addressed in the paper, describing the grouting treatment that was needed in one of the supports due to the presence of an old vent. (Author) 7 refs.

  11. HÁBITOS DE ESTUDIO EN LOS ESTUDIANTES DEL INSTITUTO SUPERIOR PEDAGÓGICO PRIVADO RICARDO PALMA – CUSCO, 2011

    OpenAIRE

    GARCIA SEGOVIA, ROXANA CARMELA

    2016-01-01

    EL APRENDIZAJE TIPOS DE APRENDIZAJE LEYES DEL APRENDIZAJE COMPETENCIA CAPACIDAD EL ESTUDIO CONDICIONES PARA EL ESTUDIO EFICIENTE HABILIDADES PARA LA LECTURA CÓMO CONOCER EL CONTENIDO DE UN LIBRO PREPARACIÓN Y PRESENTACIÓN DE EXÁMENES HÁBITOS DE ESTUDIO HÁBITO DEFINICIÓN DE HÁBITOS DE ESTUDIO CONCEPCIÓN DE LOS PSICOANALISTAS SOBRE EL HÁBITO CONCEPCIÓN PSICOLÓGICA DE HÁBITO FORMACIÓN DE HÁBITOS DE ESTUDIO VENTAJAS DEL ESTABLECIMIENTO DE HÁBITOS DE ESTUDIO DIFERENTES TIPOS DE HÁBITOS CÓMO SE FOR...

  12. VALOR NUTRITIVO DA PALMA FORRAGEIRA ‘GIGANTE’ CULTIVADA SOB DIFERENTES ESPAÇAMENTOS E DOSES DE ESTERCO BOVINO

    Directory of Open Access Journals (Sweden)

    PAULO EMILIO RODRIGUES DONATO

    2014-01-01

    Full Text Available The objective of this study to evaluate the nutritional value of cactus pear grown under different planting spacings and doses of cattle manure applied to soil. The experiment was implemented in an Oxisol in Guanambi, Bahia. The experimental design was randomized blocks with 12 treatments arranged in a factorial 3 x 4, four doses of cattle manure (0, 30, 60 and 90 Mg ha-1 yr-1 and three planting space, two in single rows (1,0 x 0,5 and 2,0 x 0,25 m and a double row in (3,0 x 1,0 x 0,25 m and three repetitions. In the planting spaces used, the same population density of 20,000 plants ha-1 was maintained. The nutritional value of cladodes was evaluated at 600 days after planting. Data were subjected to analysis of variance and subsequently comparisons were made between the means of different spacings by the Tukey Test and regression analysis for the different doses of manure and, when significant, interactions were unfolded. The manure of cattle increasingly influ- enced the content of crude protein, total nitrogen, protein and rapid intermediate degradation. There was a de- crease in hemicellulose levels, total carbohydrates, neutral and acid detergent insoluble nitrogen as a function of total nitrogen and indigestible protein. Thus, the increase in doses of manure applied to soil improves the quality of the nutritive value of forage palm and planting spaces barely influence the quality of cactus pear.

  13. Grupos urbanos y asistencia social: el hospital de San Martín en Las Palmas en el seiscientos

    Directory of Open Access Journals (Sweden)

    Pedro C. Quintana Andrés

    2013-11-01

    Full Text Available El hospital de San Martín fue una de las principales instituciones asistenciales de las islas durante todo el Antiguo Régimen. Sus cortos ingresos fueron sostenidos por las rentas procedentes de los bienes de su fundación, por las aportaciones del Cabildo Catedral, del obispo, las limosnas de los vecinos y la de los acogidos, aunque siempre su economía estuvo en precario ante la gran cantidad media de asilados. Los enfermos estaban integrados en un amplio porcentaje por miembros de las capas populares —libertos, pobres mendicantes, pequeños artesanos, marineros, viudas, mujeres abandonadas— cuyas enfermedades básicas eran la pobreza, la marginalidad y la vejez. La entidad fue, ante todo, un centro en el que el grupo de poder distribuyó una mínima parte de las ingentes ganancias percibidas a través de la explotación de los sectores populares, buscando a cambio el mantenimiento de sus intereses con el control de dicha población, presentarse ante ellos como sus benefactores y la compra, si era posible, del perdón eterno.Saint Martin’s Hospital was one of the major care institutions in the Canary Islands throughout the Acient Regimen. Its scarce income was sustained thanks to the revenues, which came from the assets of its foundation, the contributions made by the Board of the Cathedral, the bishop, the donations by the neighbours and those made by the patients, although its finances were always precarious due to the great number of residents sheltered there on average. A high percentage of the patients were mainly members of the lower classes —freemen (ex-slaves, beggars, craftsmen, sailors, widows, abandoned women— whose sufferings were mainly poverty, marginality and old age. This institution was, above all, a body in which the power groups invested a minimum part of the huge income obtained through the exploitation of the popular sectors of society, whose aims were the maintenance of their interests through the exertion of total control over such population, therefore presenting themselves with the image of benefactors, and the purchase, if possible, of the eternal blessings.

  14. The Third International Meeting on Environmental Biotechnology and Engineering. 21-25 September 2008. Palma de Mallorca. Spain

    Energy Technology Data Exchange (ETDEWEB)

    Sastre Conde, I.; Macarie, H.; Lopez Lopez, G.; Ibanez Burgos, A. M.; Garau, C.; Luna, J. M.; March, J.; Martorell, A.; Colombas, M.; Vadell, J.; Martorell, A.; Sanz, J. L. (eds.)

    2009-07-01

    The congress intends to translate fundamental knowledge on the microbial ecology of impaired ecosystems into technological solutions for the restoration of terrestrial and aquatic environments. The unification of fundamental and applied research is of utmost importance because they are interdependent and connected to the action-reaction of the environment. Then the main objective of the congress will be to integrate the different technology oriented research engineering, biotechnology) in such a way that their future action will be based on fundamental research (ecology). The action on the environment must be interactive with the participation of different disciplines having common objectives: -One of the common objectives must be to preserve energy resources and create renewable ones. -Other common objectives must be the re-use of waste which should be valorized and not seen any more as waste but better as new resources- -Finally, the last but not the least common objective must be to minimize pollution and discharge to the environment in order to protect its ecology. All this will be achieved only with the development of cleaner and cheaper technologies both on an environmental and an energy point of view as well as with an adequate environmental education and a sustainable development. (Author)

  15. Observations on the Morphology, Pollination and Cultivation of Coco de Mer (Lodoicea maldivica (J F Gmel. Pers., Palmae

    Directory of Open Access Journals (Sweden)

    Stephen Blackmore

    2012-01-01

    Full Text Available We present a range of observations on the reproductive morphology, pollination biology and cultivation of Lodoicea maldivica (coco de mer, an endangered species with great ecological, economic and cultural importance. We review the history of study of this charismatic species. Morphological studies of the male inflorescence indicate its importance as a year-round food source to the Seychelles fauna. In situ observations suggest a number of potential biotic and abiotic pollination mechanisms including bees, flies, slugs, and geckos; trigonid bees are identified as the most likely potential natural pollinator. We outline a successful programme for ex situ pollination, germination, and cultivation of the coco de mer, highlighting the importance of temperature, humidity and light levels as well as maintaining an undisturbed environment. In combination with continued protection and monitoring, this advice may aid the future in situ and ex situ conservation of the coco de mer.

  16. Phylogeography of the genus Podococcus (Palmae/Arecaceae) in Central African rain forests: Climate stability predicts unique genetic diversity.

    Science.gov (United States)

    Faye, A; Deblauwe, V; Mariac, C; Richard, D; Sonké, B; Vigouroux, Y; Couvreur, T L P

    2016-12-01

    The tropical rain forests of Central Africa contain high levels of species diversity. Paleovegetation or biodiversity patterns suggested successive contraction/expansion phases on this rain forest cover during the last glacial maximum (LGM). Consequently, the hypothesis of the existence of refugia e.g. habitat stability that harbored populations during adverse climatic periods has been proposed. Understory species are tightly associated to forest cover and consequently are ideal markers of forest dynamics. Here, we used two central African rain forest understory species of the palm genus, Podococcus, to assess the role of past climate variation on their distribution and genetic diversity. Species distribution modeling in the present and at the LGM was used to estimate areas of climatic stability. Genetic diversity and phylogeography were estimated by sequencing near complete plastomes for over 120 individuals. Areas of climatic stability were mainly located in mountainous areas like the Monts de Cristal and Monts Doudou in Gabon, but also lowland coastal forests in southeast Cameroon and northeast Gabon. Genetic diversity analyses shows a clear North-South structure of genetic diversity within one species. This divide was estimated to have originated some 500,000years ago. We show that, in Central Africa, high and unique genetic diversity is strongly correlated with inferred areas of climatic stability since the LGM. Our results further highlight the importance of coastal lowland rain forests in Central Africa as harboring not only high species diversity but also important high levels of unique genetic diversity. In the context of strong human pressure on coastal land use and destruction, such unique diversity hotspots need to be considered in future conservation planning.

  17. Instituto Español de Oceanografía, laboratorios Palma de Mallorca – España

    Directory of Open Access Journals (Sweden)

    Roig Forné, Vicente

    1975-03-01

    Full Text Available The building is situated in the bay of Porto-Pi, serving as a lock for which reason special attention was paid to its exterior. It consist of two floors and a basement, where the activities of the Centre are carried out: a Research with: laboratories, workshops, office-rooms, etc. b Public sections, with: exhibitions, objects from scientific expeditions, lecture halls, etc. It has been attempted to give both sections their due independence and yet the appropriate connection between them. The dominating aesthetic criteria are: the BUCKET, the traditional recipient of the island; the PATIO, the characteristic element of the Mallorcan architecture, and the WATER, being the basic reason for the activities of the Centre. Construction of reinforced concrete, unfaced concrete, exterior carpentry of wood, aluminum blinds and double glass panes with venetian blinds in between.El edificio está emplazado en la bahía de Porto-Pí, sirviéndole de cierre, por lo que cuidó especialmente su aspecto exterior. Consta de dos plantas y semisótano, en las que se desarrollan dos actividades a que se destina el Centro: a Investigación, con: laboratorios, talleres, despachos, etc. b Zonas de público, con: exposiciones, muestras de expediciones científicas, sala de conferencias, etc. Se procuró que ambas zonas tengan la debida independencia y la adecuada relación. Los criterios estéticos dominantes son: el CUBO, volumen tradicional de la isla; el PATIO, elemento característico de la arquitectura mallorquína, y el AGUA, motivo fundamental de las actividades que se desarrollan en el edificio. Construcción a base de hormigón armado, hormigón visto, carpintería exterior de madera, celosías de aluminio y dobles láminas de vidrio con persianas venecianas intercaladas.

  18. La vivienda en Las Palmas durante el antiguo régimen: estructura, mantenimiento y cargas impositivas

    Directory of Open Access Journals (Sweden)

    Pedro C. Quintana Andrés

    2013-11-01

    Full Text Available La vivienda se convirtió en uno de los principales referentes de la riqueza, del boato y posición social de cada propietario en la Edad Moderna. La inversión en su construcción, en obras de mejoras, de mantenimiento y control de los inquilinos o censatarios fue una cuestión de vital importancia para sus propietarios que, como el Cabildo Catedral de Canarias, basaban una significativa parte de sus ingresos en arriendos o censos para sostener el culto en la Catedral y da las mandas pías de las que eran patronos.I Iousing became one of the main signs of wealth, ostentation and social leve1 of every owner in the Ancient Regime. The investment in its construction, improvement repairs, maintenance and control of their tenants or lessee was of vital importance fur the owners that, as the Cathedral Town Council of the Canary Islands, base a significant part its income on renting or ground rent to sustain worship in the cathedral and of testamentary legacies of which they were patrons.

  19. Social and environmental advantages of palm oil biodiesel in Brazil; Vantagens socioambientais do biodiesel de palma no Brasil

    Energy Technology Data Exchange (ETDEWEB)

    Ferreira, Lucas Rueda [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil)

    2012-07-01

    The production of biodiesel has seen a fast growth in Brazil during the last years, making the country one of the top producers in the world. This growth is explained by the mandatory blendings of biodiesel in conventional diesel. This article is about how the biodiesel industry developed having soy oil as the main feedstock and how the big oilseed crushers have taken the main role in the industry, with family farmers, the original beneficiaries of the program, having a marginal role. If the scenario of B10 or B20 in 2020 is verified, then it is going to use so much soy oil that it will interfere in another uses of soy, like exportation. Besides that, the article criticizes the failure of the social aspect of the program, arguing that the objective of integration of family farmers has failed, and that the numbers are not worse only because the action of the government, through PETROBRAS. Then it is presented the palm oil as a alternative to share the role of main feedstock with the soy oil, because palm has a bigger production of vegetal oil per hectare than most oilseeds, is capable of a bigger reduction in green house gas emissions than soy oil, the fact that Brazil has plenty of land available to plant palm, without the necessity of deforestation and that this process can bring development to family farmers in the north of the country. The article ends with the summary of the main projects of palm production for biodiesel, like the ones from PETROBRAS, Vale and Oleoplan, and how these are going to be the main determinants of the success or failure of the palm oil as an alternative to the biodiesel sector. (author)

  20. Modelo de predicción de demanda eléctrica de Las Palmas de Gran Canaria

    OpenAIRE

    Yangyang, Yang

    2016-01-01

    La energía eléctrica es un bien imprescindible en toda actividad humana y cualquier país desarrollado pone los medios para garantizar su suministro en cualquier instante del día. La sociedad evoluciona de manera que cada vez dependemos más de la tecnología y de manera indirecta de la energía eléctrica. La energía eléctrica, por desgracia, no se puede almacenar en grandes cantidades para usarla en cualquier momento, ya que la única forma de almacenarlo para su uso directo es a través de las ba...

  1. Germinación y almacenamiento del polen de pejibaye (Bactris gasipaes H.B.K., Palmae)*

    OpenAIRE

    2016-01-01

    El pejibaye está siendo mejorado con técnicas agro-genéticas modernas, y los programas de mejoramiento necesitan métodos confiables para manipular y almacenar polen para realizar cruces controlados. Diversas pruebas fueron hechas con polen de dos razas: (1) germinación en medio líquido con glucosa, con y sin boro; (2) germinación de polen fresco en medio líquido con glucosa, sacarosa, lactosa, galactosa; (3) secado en estufa, frasco desecador y ambiente; (4) tiempo de secado y cantidad de síl...

  2. Atmosphere Extinction at the ORM on La Palma: A 20 yr Statistical Database Gathered at the Carlsberg Meridian Telescope

    CERN Document Server

    Garcia-Gil, A; Varela, A M

    2010-01-01

    The Observatorio del Roque de los Muchachos (ORM), in the Canary Islands (Spain), was one of the candidates to host the future European Extremely Large Telescope (E-ELT) and is the site of the Gran Telescopio Canarias (GTC), the largest optical infrared facility to date. Sky transparency is a key parameter as it defines the quality of the photometry to be acquired in the astronomical observations. We present a study of the atmosphere extinction at the ORM, carried out after analysis of a database spanning more than 20 yr, to our knowledge, the longest and most complete and homogeneous in situ database available for any observatory. It is based on photometric measurements in the V band and r' band (transformed to the V -band extinction coefficient kV) using the Carlsberg Meridian Telescope (CMT). Clear seasonal variations that repeat yearly are observed. The median value of kV is 0.13 mag/airmass; the mean value has a maximum in the summer months (June- September), corresponding to the season with maximum freq...

  3. Del cerebro a la palma de la mano: el viaje de la memoria en el siglo XXI.

    OpenAIRE

    Canavilhas, João; Kolankowska, Małgorzata

    2014-01-01

    El objetivo del artículo es buscar relaciones entre el desarrollo de los smartphones y la memoria. En la primera parte se presentan las características de la época posmoderna, marcada por la aceleración y la liquidez de las relaciones interpersonales, así como la idea de la sociedad en red. A continuación se explica el concepto de la memoria en diferentes contextos: biológico, sociológico y periodístico. Se pone hincapié en los estudios de la memoria colectiva, digital, globita...

  4. Fraccionamiento e interesterificacion del aceite de palma (Elaeis guineensis) cultivado en la amazonia peruana

    OpenAIRE

    Jorge MANCINI FILHO; Pavan Torres, Rosángela; Sotero Solís, Víctor; Soplín Ríos, José Antonio; Cárdenas de Reátegui, Gladys; Saldaña Ramírez, Robinson; Sandoval del Águila, Jorge; García de Sotero, Dora

    2008-01-01

    In the present work, the physical and chemical characteristics of the fruit of the oily palm coming from the river basin of the Manití (Region Loreto - Peru) were studied. Also, the fractionation of the palm oil and the interesterification of mixtures of palm oil/estearin was carried out. Physico- chemical properties of the crude oil and of the products obtained and fatty acids were analysed by gas chromatography. The level of saturated fatty acids increased from 51,17% in the palm oil t...

  5. PALMA (OPUNTIA FICUS INDICA MILL CV. GIGANTE EM SUPLEMENTOS PARA FÊMEAS LEITEIRAS EM CRESCIMENTO A PASTO

    Directory of Open Access Journals (Sweden)

    GLEIDIANA AMÉLIA PONTES DE ALMEIDA

    2015-01-01

    Full Text Available This study aimed at evaluating the effect of replacing corn by palm in the supplements for dairy females in grazing at levels of 0, 33, 66 and 100%. Intake of pasture and apparent nutrient digestibility, animal performance, intake of nitrogenous compounds, nitrogen balance, synthesis and microbial efficiency and bioe-conomy system were evaluated. The study was conducted at Farm Roçadinho, municipality of Capoeiras Wasteland region of the State of Pernambuco in the period from 30/09/2012 to 19/01/2013, in a completely randomized design with four treatments and six replications, using 24 dairy females growing initial weight of 180 pounds. Consisted of 112 days, and 28 for adaptation. The intake of DM, DM/pasture, OM, CP, NDFap. NDFi intake and increased ADF because of the NFC, EE, and TDN decreased (P <0.05. PUN levels in plasma did not change. The apparent digestibility of DM, OM, NDF, ADF, NFC, EE and TDN decreased linearly, and CP increased (P <0.05. Weight gains decreased since the FC increased (P <0.05. No effect was observed in nitrogen intake and nitrogen excreted in the urine. A reduction in nitrogen excreted in the faeces nitrogen bal-ance and percentage of ingested nitrogen, urea-N excreted in the urine increased (P <0.05. The replacement of corn by palm reduces the performance of dairy females in pasture growth. Thus the total or partial replacement is conditioned to the projection of age at first calving on the production system and economy of use.

  6. COMPORTAMENTO DE SEMENTES DE PALMA (Opuntia ficus-indica l. SUBMETIDAS À FERMENTAÇÃO E SECAGEM

    Directory of Open Access Journals (Sweden)

    Danielle Marie Macedo Sousa

    2009-01-01

    Full Text Available The forage cactus is cultivated of extensive form as a producing species of fruits and fodder plant in many countries. The extensive culture if bases on the vegetative propagation, that is preferred, had its easiness. The propagation for seeds can come to be a useful tool for ends of genetic improvement, then, in this work forage cactus (Opuntia ficus-indica L. seeds were submitted to different fermentation periods (0; 24; 48; 72 and 96 hours and were dried or not, before sowing. It was evaluated the physiological quality of the seeds through the determination of the moisture content, emergence percentage and speed of seedling emergency. It was used an entirely randomized experimental design 5x2 (period of fermentation and drying. The practical one of the fermentation is efficient in the elimination of the sarcotesta in palm seeds, occurring bigger vigor in the seeds without drying and submitted the 55 hours of fermentation, as well as, the drying of the seeds, after the first periods of fermentation promotes reduction of the physiological quality, with reflected right-handers in the vigor.

  7. Cruise Report RV Poseidon cruise POS 295 [POS295], Lisbon 20.03.03 - Las Palmas 01.04.03

    OpenAIRE

    Christiansen, Bernd

    2003-01-01

    The cruise was a pilot cruise in the framework of the EU-project OASIS (Oceanic seamounts: an integrated study) which studies the functioning ecology of seamounts in the NE-Atlantic. The research programme during the cruise included measurements of the physical properties of the water column (temperature and salinity), the sampling of particulate organic matter, measurements of primary production and export fluxes and the sampling of zooplankton.

  8. Palma de aceite y desplazamiento forzado en Zona Bananera: “trayectorias” entre recursos naturales y conflicto.

    Directory of Open Access Journals (Sweden)

    Juanita Goebertus Estrada.

    2008-06-01

    Full Text Available This article describes the mechanisms through which the transition from banana to oil palm plantations in Zona Bananera, Magdalena, has been influential in forced displacement. Therefore it adds to the debate about the paths between resources and conflict in the literature on political economy of internal armed conflicts. The outcome of this qualitative research suggests that in the case in question the following “pathways” have operated: 1. The absence of a strong institutional presence has permitted the collection of extortions by illegal armed groups allowing their financing and generating forced displacement as a consequence of the threats; 2. The transition from banana to palm extraction reduced the intensity of manual labor and food security unleashing displacement processes; and 3. The institutional incentives for oil palm exploitation have promoted the usurpation of land by illegal armed actors who provoke the displacement in order to acquire land for their cultivation.

  9. The Road from LaPalma. Analysis of the Potential for a Negotiated Solution in El Salvador.

    Science.gov (United States)

    1985-09-01

    the year before was faced with a string of highly publicized death squad killings as a response to just such an attempt.’ Conservative bussiness and...rewrite the electoral laws , another coup replaced the governing junta. The new regime’s rationale for acting was to quell the disturbances generated by the...This congress reached consensus on a series of signifigant resolutions: the large and medium agri- bussiness farms were the root of social problems; it

  10. Efecto de la fertirrigación con n y k en el crecimiento de la palma de coco enano Verde de jiqui

    OpenAIRE

    Matias, Sammy S.R. [UNESP; Aquino,Boanerges F. de; Freitas, José A.D.; Camacho-Tamayo,Jesús H.

    2008-01-01

    The coconut palm crop has increased with the use of the fertigation technique in Brazil in the last years. The objective of this work was to evaluate the influence of N and K rates via fertigation, on vegetative growth of three year old palms, cultivated in the littoral region of the Ceará State, Brazil, with tropical rainy climate. The study was conducted in a sandy soil using the variety of green dwarfed Jiqui coconut palm. The experimental design was a randomized complete block, with 10 tr...

  11. Necrópolis de La Cucaracha: único enterramiento con restos humanos asociados a una erupción prehistórica de La Palma (Islas Canarias

    Directory of Open Access Journals (Sweden)

    Pérez Torrado, F. J.

    2002-04-01

    Full Text Available The La Cucaracha site is an important burial ground of archaeological and human remains located in a cavity excavated in the SE flank of Montaña de La Cucaracha volcano, an eruptive vent dated at over 20.000 years. The profusion and diversity of the materials found: pottery shards, stone hand tools and bones, justify the importance of this interment site, although the most significant finding is the presence of human bone fragments embedded in volcanic scoria. The study of this site is focused on identifying the eruptive vent responsible for this event and assessing the incidence of a volcanic eruption on the structure and elemental composition of the recovered osseous materials. For this purpose, radiometric 14C dating has been carried out of the bones affected by the prehistoric eruption in addition to the petrographic and geochemical analysis of the different bone fragments and of the basaltic scoria in which the bone fragments are embedded in relation to the possible surrounding volcanoes. The results obtained point to Montaña Goteras, an eruptive vent close to La Cucaracha volcano, as being responsible for the event, and provide evidence of the preservation of both the mineralogical composition and the crystallographic parameters of the osseous materials. A comparative study reveals significant differences between the bones corresponding to interments and those from cremation ceremonies, the latter showing a marked increase in crystallinity with occasional loss of significative elemental components, variations in contrast to a notable enrichment in trace elements and rare earths undergone by the bone fragments affected by the volcanic eruption. The content in certain oligoelements and SrICa ratios have provided complementary dietary information.El yacimiento de La Cucaracha es un importante enterramiento de restos arqueológicos y humanos situado en una oquedad excavada en el flanco SE del edificio volcánico de la Montaña de La Cucaracha, centro eruptivo con más de 20.000 años. La profusión y diversidad de materiales encontrados: fragmentos cerámicas, industria lítica y restos óseos, justifican la importancia de este yacimiento, pero el hallazgo más significativo es la presencia de fragmentos de huesos humanos englobados en escorias volcánicas. El estudio desarrollado sobre este yacimiento está encaminado a la identificación del centro eruptivo responsable de este acontecimiento y a valorar la incidencia que una erupción volcánica ha tenido sobre la estructura y composición elemental de los materiales óseos. Con esta finalidad, se ha efectuado la datación radiométrica por I4C de los huesos afectados por la erupción prehistórica y el análisis petrográfico-geoquímico de los diversos materiales óseos y escorias basálticas que engloban los restos óseos en relación con los posibles edificios volcánicos circundantes. Los resultados obtenidos señalan a la Montaña Goteras, centro eruptivo próximo al volcán de La Cucaracha, como responsable del suceso, y evidencian la preservación tanto de la composición mineralógica como de los parámetros cristalográficos de los materiales óseos. Su estudio comparativo señala diferencias importantes entre los huesos correspondientes a enterramientos y los procedentes de ceremonias de cremación, los cuales experimentan un señalado incremento de la cristalinidad con algunas pérdidas de componentes elementales significativos, variaciones contrapuestas al importante enriquecimiento en elementos traza y tierras raras que experimentan los fragmentos óseos afectados por la erupción volcánica. Los contenidos en determinados oligoelementos y relaciones de SrICa han permitido obtener información complementaria sobre su dieta alimentaria.

  12. Comportamiento circadiano del gasterópodo nerita scabricosta en el intermareal rocoso de isla la palma, pacífico colombiano

    OpenAIRE

    Cuellar Quiñones, José Luis

    2016-01-01

    Introducción: La acondroplasia es la forma más frecuente de enanismo. Los individuos presentan acortamiento rizomélico de las extremidades, facies característica con prominencia frontal, hipoplasia media de la cara, genu varo, y la mano tridente. Aunque la etiología de esta enfermedad fue reportada en 1994, evidencia de la existencia esta enfermedad se ha encontrado en poblaciones del antiguo Egipto (2500 aC) y ha sido documentada en poblaciones americanas antiguas. Objetivo: Analizar la pres...

  13. CRESCIMENTO E PRODUTIVIDADE DE CLONES DE PALMA FORRAGEIRA NO SEMIÁRIDO E RELAÇÕES COM VARIÁVEIS METEOROLÓGICAS

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    THIERES GEORGE FREIRE DA SILVA

    2015-01-01

    Full Text Available The objective was to evaluate the performance of growth and productivity of three cactus for-age clones, resistant to Cochineal Carmine, grown under irrigated conditions in the Brazilian semi-arid region. The clones evaluated were: IPA Sertânia (IPA, Miúda (MIU and the Orelha Elefante Mexicana (OEM, be-tween February 2010 and February 2012, in Serra Talhada, State of Pernambuco. To the end of the crop cycle morphological data were obtained from plants (canopy height and width, cladode total number, cladode number by order of emergence and cladode area index and cladode (length, width, thickness, perimeter and area, and crop productive parameters (crop fresh and dry matter yield, and final density of plants per hectare. Path anal-ysis was applied to evaluate the influence of meteorological variables (global solar radiation, air temperature and relative humidity, wind speed and rain on the growth of cactus forage. It was found that the OEM and IPA were those who stood out most of the morphological characteristics. But, in terms of cladode number, the MIU is the clone of greater emission (> 35 units, however it has been demonstrated as the clone less productive in terms of fresh mass (117.5 t ha-1, along with the IPA. The OEM stood out as the most productive clone (163.0 t ha-1. However, there was no difference in productivity in dry basis between the clones (12.6 ± 2.0 t ha-1. The IPA has the highest mortality of plants (10.4%. Meteorological variables showed effect lower on the evolution of crop growth (< 33.1%.

  14. Batendo palmas a uma só mão: Colonialismo, pós-colonialismo e as fronteiras espácio-temporais do modernismo

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    Susan Stanford Friedman

    2012-10-01

    Full Text Available O ensaio põe em causa a ideia dominante de que o Ocidente inventou a modernidade e o modernismo, enquanto o resto do mundo se limitou a imitar o Ocidente mediante formas dele derivadas. Reflecte sobre as paisagens urbanas de Xangai e Manhattan para desfazer a equivalência comummente aceite entre modernização e ocidentalização, e socorre-se da história mundial comparada e dos estudos pós-coloniais para sugerir novos modos de pensar os limites espácio-temporais do modernismo/modernidade. Põe em paralelo as traduções de gravuras japonesas por Cassatt, as adaptações de artefactos africanos por Picasso e a reescrita de Conrad pelo escritor sudanês Tayeb Salih para demonstrar a existência de fluxos culturais transcontinentais na formação de diferentes modernismos.

  15. Carcinoma invasor de cérvix en Las Palmas : tipificación del virus del papiloma humano (VPH) y factores pronósticos

    OpenAIRE

    Arencibia Sánchez, Octavio

    2016-01-01

    Programa de doctorado: Patología Quirúrgica, Reproducción humana y factores psicológicos y el proceso de enfermar [ES]Estudio retrospectivo destinado a estudiar los carcinomas infiltrantes de cérvix (estadio FIGO IB y superiores) registrados en la Unidad de Ginecología Oncológica del Complejo Hospitalario Universitario Materno Infantil entre los años 1996 y 2013. El tamaño muestral final fue de 561 pacientes, de las que se contaba con material disponible...

  16. ESTUDIO DE LA AGRODIVERSIDAD TEMPORAL Y PERMANENTE EN FINCAS DE LA PALMA, PINAR DEL RÍO Y GIBARA, HOLGUÍN

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    Dania Vargas Blandino

    2011-01-01

    Full Text Available Actualmente, debido a la actividad antropogénica y aldesarrollo industrial, se está produciendo una erosión de la diversidadbiológica, incluida la agrodiversidad manejada por los agricultores.En Cuba, a partir de la década de los 90, se produjo un periodo detransición de la agricultura, donde se pasó al rescate de las variedadescriollas de los principales cultivos en el sector estatal y a formas deproducción con un enfoque agroecológico, para adaptarnos a lacrisis que tuvo el país. En el siguiente estudio se evaluó en doslocalidades la agrodiversidad temporal y permanente (plantas leñosascon más de 3 m de altura mantenida y manejada en las fincas porlos agricultores. Se hizo un inventario de la agrodiversidad porlocalidad, donde se muestrearon las áreas de cada parcela de cultivoy las de árboles, para calcular los índices de diversidad Margalef yShannon Weaver, y conocer la riqueza y representatividad de lasespecies dentro de la finca. Se observó que las fincas de Pinar delRío son más diversas en cuanto a riqueza y representatividad de lasespecies de los cultivos temporales y permanentes que las deHolguín; también las áreas de cultivos de especies perennes paralas dos localidades son más equilibradas en cuanto a riqueza yrepresentatividad en la finca que las de cultivos temporales, debidoa que en estos se practica más el monocultivo y se ve en cada fincaun cultivo principal. Se evidenció que los agricultores son capacesde conservar la agrodiversidad, principalmente las especies criollaso locales. Con este estudio se abordaron dos métodos de trabajo(inventario de especies y cálculo de los índices de diversidad y seobtuvieron resultados similares para ambos lugares, donde las áreasde arboledas son más estables que las de cultivos temporales.

  17. Informe sobre la estabilidad de la bóveda de la antigua cocina del castillo de Bellver (Palma de Mallorca)

    OpenAIRE

    Huerta Fernández, Santiago

    2008-01-01

    El castillo de Bellver fue construido en el siglo XIV (según Chueca debía estar terminado ya en 1314) y es una pieza excepcional por su planta circular y la arquería del patio. Tras casi siete siglos de vida y numerosas intervenciones el castillo presenta un estabilidad excelente, como lo demuestra las deformaciones inapreciables que en la actualidad pueden observarse. La solución de las bóvedas del patio circular sobre esbeltos pilares contrarrestados por anillos de compresión de la fábric...

  18. Influencia del proceso de fritura en profundidad sobre el perfil lipídico de la grasa contenida en patatas tipo “french”, empleando oleina de palma

    OpenAIRE

    Salinas, N.; Marcano, J.; La Rosa, Y.

    2010-01-01

    The aim of this investigation was to evaluate the influence of certain variables of the process of deep fat frying on the lipid profile of the fat fraction of the potato type “french” (Solanum tuberosum) using palm oil. This marked the first fat fraction of both the processing type and the oil used, through the evaluation of various physicochemical parameters, using the method of AOAC and the Standard COVENIN. We identified variables that influenced the process during frying of potatoes, usin...

  19. Taxonomic Notes on Livistona (Palmae) in Flora of China%《Flora of China》中蒲葵属之分类订正

    Institute of Scientific and Technical Information of China (English)

    刘海桑

    2011-01-01

    Based on the lectotype of Livistona chinensis,the holotypes of L.fengkaiensis and L.jenkinsiana,the isoneotype of L.saribus and the isotype of L.speciosa,the status of those species in Flora of China was reviewed.L.speciosa has obovate,elliptical or ovoid fruits,but L.jenkinsiana has reniform or subglobose fruits.Livistona jenkinsiana in Flora of China should be L.speciosa Kurz which was misidentitfied as L.saribus in Chinese taxonomic literature,such as Flora of Hainan,Flora Reipublicae Popularis Sinicae,Flora Fujianica and Flora Yunnanica.L.saribus in Flora of China,which originates with Flora Reipublicae Popularis Sinicae,is not endemic to China.In China,L.speciosa is endemic to Yunnan,Guangdong,Hainan and Fujian,and L.chinensis is endemic to Guangdong and Taiwan,yet Livistona jenkinsiana and L.saribus were introduced to China only by certain botanical gardens.%通过调查,对Livistona chinensis的后选模式、L.fengkaiensis和L.jenkinsiana的主模式、L.saribus的等新模式、L.speciosa的等模式与《Flora of China》中的上述种类作比较,证实《Flora of China》中的L.jenkinsiana是L.speciosa Kurz,后者被中国分类学文献(如《海南植物志》、《中国植物志》、《福建植物志》、《云南植物志》)误定为L.saribus.L.speciosa的果倒卵形、椭圆形或卵形,而L.jenkinsiana的果肾形或近球形.源于《中国植物志》的L.saribus 并非原产于中国.在中国,L.speciosa原产于云南、广东、海南和福建,L.chinensis原产于广东和台湾,而L.jenkinsiana 和L.saribus仅被引种至中国的植物园.

  20. Ampliación del análisis de diversidad genética de palma de aceite proveniente de angola

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    Pedro Jesús Rocha-Salavarrieta

    2007-01-01

    Full Text Available Oil palm cultivars come from four oil palms located at Bogor´s botanical garden. However, experimental evidence suggests that the centre of origin of the oil palm, Elaeis guineensis Jacq., is the African continent. In order to develop oil palm cultivars in Colombia, it is necessary to increase the narrow genetic base currently available. For this reason, Cenipalma carried out prospections and collections of oil palm material in five natural regions of the Republic of Angola. Around 44 accessions (120 seeds per accession were collected, seeds were germinated and young palms were grown under field conditions at the Experimental Station Palmar de La Vizcaína (Barrancabermeja. In this paper, we report results of the molecular analysis, based in amplification of 16 microsatellite loci, of 72 genotypes, representing five populations, from Cenipalma´s E. guineensis germplasm collection. Evaluated plants showed a higher genetic variability when compared to similar studies on this species, although populations displayed high similarity (low genetic differentiation, FST=0,0484. The high similarity between individuals of the different species allows representing the full variation by selecting few individuals. Variability and genetic differentiation measurements are presented.

  1. Atención de personas expuestas a la infección por bartonella bacilliformis en los distritos Santa Eulalia y Ricardo Palma en el INS

    OpenAIRE

    Chávez M, Jorge

    2006-01-01

    La enfermedad de Carrión es producida por la bacteria Bartonella bacilliformis y transmitida por mosquitos del género Lutzomya. Característicamente produce tres estadios: agudo, intercalar y verrucoso. La severidad del estadio agudo varía ampliamente desde formas asintomáticas u oligosintomáticas, hasta casos fatales con falla orgánica múltiple, insuficiencia hepática, anemia hemolítica severa y coagulación vascular diseminada. En el Perú, la enfermedad es endémica en algunos valles intera...

  2. Salón social del club natación Metropole Las Palmas de Gran Canaria, España

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    López Díaz, Luis

    1978-02-01

    Full Text Available This hall is the first stage of an ambitious programme of reforms and extensions to the Metropole Swimming Club which, apart from increasing and diversifying the number of the sports installations, includes others of an eminently social nature. The numerous conditioning factors which limited the construction of the hall from the beginning, both regarding the surface —rectangular and extremely elongated, messuring 13 x 13 m, and height— about 3 m, and regarding its situation within the whole, lead to the arrangement of three articulated atmospheres within a single space, covered with thin reinforced concrete warped membranes, as the only solution capable, on the one hand, of reducing the coldness and stiffness of the structure imposed, and on the other, of satisfactorily answering the design bases which prefixed multifunctionality, transparency and representativity of the building. A final premiss which called for the integration of the work in a surrounding gardaned environment was solved by the complete glazing of the frontages and the light tones of the finishing materials.

    Este salón es la primera fase de un ambicioso programa de reformas y ampliaciones para el Club Natación Metropole que, además de aumentar y diversificar el número de las instalaciones deportivas, incluye otras de carácter eminentemente social. Los numerosos condicionantes que desde un principio limitaron la construcción del salón, tanto en cuanto a superficie —rectángulo sumamente alargado de 13 x 33 m— y altura —unos 3 m—, como a su situación dentro del conjunto, condujeron a la organización de tres ambientes articulados dentro de un espacio único, cubiertos con sendas membranas delgadas de hormigón armado, de formas alabeadas, como única solución capaz, por una parte, de reducir la frialdad y rigidez de la conformación impuesta, y por otra, de responder satisfactoriamente a las bases de diseño que prefijaban la multifuncionalidad, diafanidad y representatividad del edificio. Una última premisa que requería la integración de la obra en el ambiente ajardinado circundante, se resolvió mediante el total acristalamiento de las fachadas y la entonación clara de los materiales de acabado.

  3. Diagnóstico del clima organizacional en una empresa de producción de aceite de palma africana de la ciudad de Santa Marta 2006

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    Karina Ceballos Moreno

    2014-01-01

    Full Text Available Antecedentes: El Clima organizacional es el componente de la administración al cual se le atribuye gran importancia en el momento actual de competitividad empresarial porque comprende las características que identifican plenamente una organización, ya que abarca todo el ambiente laboral que incluye desde las percepciones de los empleados con respecto a su empresa hasta la influencia de la estructura organizacional y el estilo gerencial que ejercen..Objetivo: El objetivo de la presente investigación fue determinar el Clima Organizacional imperante en una empresa del sector productivo de la ciudad de Santa Marta en el año 2006, con el fin de proponer planes de mejoramiento pertinentes a la situación encontrada.Método: El tipo de diseño utilizado fue el descriptivo transversal, con una muestra conformada por 34 empleados, seleccionados por el método aleatorio simple, a quienes se les pidió permiso, se les informó los objetivos del trabajo, el bajo riesgo, la participación fue enteramente voluntaria y se garantizó el completo anonimato. Se les aplicó el instrumento de medición de clima organizacional para empresas colombianas (IMCOC.Resultados: El Clima Organizacional de la empresa estudiada se encuentra en el rango de debilidad, al obtener el promedio de todas sus variables 4.99. Para este promedio influye mucho la variable Toma de Decisiones que logró un 3.33 como puntaje mínimo y la variable Objetivo como puntaje máximo con 5.61. Los otros puntajes obtenidos por las diferentes variables medidas son: Control (5.56, Relaciones Interpersonales (5.48, Liderazgo (5.39, Motivación (5.00 y Cooperación (4.59.Conclusiones: Se concluye que el Clima Organizacional imperante en la empresa no es el mejor al estar en el rango de debilidad, aunque en su límite superior, y se puede suponer, por los resultados obtenidos, que el “estilo gerencial” reinante es autocrático.Palabras clave: Clima organizacional; empresa; empleados; percepción Diagnosis of the organizational environment in 2006 of a Company that produces african palm oil in Santa Marta, ColombiaAbstractBackground: Organizational climate is a management element to which a great importance is attributed in the current business competitiveness, because it comprises the characteristics that fully identify an organization. It embraces the whole working environment, including aspects such as employee perceptions about the company, organizational structure and managerial style.Purpose: The purpose of this research was to determine the Organizational climate of a company of the real sector in Santa Marta in 2006, in order to suggest an improvement plan.Methodology: The type of design used was the transversal descriptive, with a sample of 34 employees, chosen randomly, and whose permission was requested. They were informed about the objective of the study and the low risk involved. Participation was totally voluntary and anonymity was guaranteed. The instrument of measurement of the organizational climate of Colombian companies was used (IMCOC.Results: The average of all the variables was 4.99, which means that the organizational climate of the company is in the weakness range. One of the variables that most influences the average is Decision-making, which got 3.33 as the minimum score and the target variable with maximum score (5.61. The scores for the other variables were: Control (5.56, Interpersonal relationships (5.48, Leadership (5.39, Motivation (5.00, and Cooperation (4.59.Conclusions: The main conclusion is that the organizational climate of the company is not very good, for it is in the upper weakness range. The results also point to the concluding that the managerial style is autocratic.Key words: Organizational Environment; company; workers; perception.

  4. La influencia de los padres sobre el consumo de alcohol y tabaco y otros hábitos de los adolescentes de Palma de Mallorca en 2003

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    Francisco Manuel Kovacs

    2008-01-01

    Full Text Available Fundamento. El consumo de alcohol y tabaco es frecuente entre los adolescentes. El objetivo de este estudio fue determinar la influencia de los hábitos de los padres en los de sus hijos. Métodos. Se estudió a los adolescentes de 13 a 15 años de la isla de Mallorca y a sus padres. Mediante métodos previamente validados se recabó su nivel socioeconómico, sus hábitos (ingesta de alcohol, tabaquismo, práctica de deportes y consumo de televisión, y el rendimiento académico de los adolescentes. Resultados. Participaron 4.019 adolescentes y 7.359 padres. Un bajo nivel socioeconómico se asoció con un mayor riesgo de que los adolescentes fumaran (OR=3,86, IC 95%: 2,30-6,48; p=0,000, bebieran alcohol (OR=1,88; 95% IC: 1,40- 2,54; p=0,000, suspendieran alguna asignatura (OR=6,37, IC 95%: 4,23-9,61; p=0,000, vieran > 2 horas diarias de televisión (OR=1,97;95%IC: 1,69-2,29; p=0,000, y no practicaran deporte (OR=0,55, IC 95%: 0,38-0,80; p=0,001. Además, en el riesgo de que fumaran influyó que la madre bebiera (OR 1,76 IC95% 1,24-1,51; p=0,002, en el de que suspendieran los hijos (no las hijas que los padres fumaran (OR 1,89 IC95% 1,33- 2,68; p=0,000, y los correspondientes hábitos en los padres aumentaron la probabilidad de que los adolescentes bebieran alcohol (OR 1,91 IC95% 1,43-2,51; p=0,000, vieran más de 2 horas diarias la televisión (OR 1,97 IC95% 1,68-2,29; p=0,000 e hicieran deporte (OR 6,67 IC95% 2,57-14,96; p=0,000. Conclusiones. Un bajo nivel socioeconómico se asocia a un mayor riesgo de que los adolescentes españoles fumen, beban alcohol, suspendan, vean más televisión y no practiquen deporte. Además, el que la madre beba se asocia a un mayor riesgo de que sus hijos fumen y beban, y el que ambos padres beban se asocia a un mayor riesgo de que sus hijos lo hagan. La práctica de deportes y el tiempo que pasan ante el televisor los padres influyen en los hábitos correspondientes por parte de sus hijos, pero no influyen en que el adolescente beba o fume.

  5. La industria malacológica de La cueva de El Tendal (San Andrés y Sauces, isla de la Palma

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    Amelia Rodríguez Rodríguez

    2013-11-01

    Full Text Available En este artículo se analizan las industrias malacológicas recuperadas en la cueva de El Tendal. Sc realiza un estudio diacrónico sobre las pautas de selección de las distintas especies, los recursos tecnológicos empleados para su transformación y su funcionalidad. Asimismo, se efectúa un análisis especial de este tipo de evidencias, que contribuye a esclarecer la organización funcional de las distintas áreas del yacimiento. In this paper we analyze the malacological industries from El Tendal Cave. We develop a diachronical study on the selection rules of the different species, the technological systems employed and their function. \\Ve also do a spatial analysis of these types of evidence, wich may elucidate the functional distribution of the different areas of the site.

  6. Estudio para determinar la prefactibilidad de crear una plataforma de servicios de la UNED, en La Palma de Puerto Jiménez

    OpenAIRE

    Monge Murillo, José Joaquín; Ovares Villalobos, Emerson; Vargas Badilla, Laura María

    2013-01-01

    En la década de los setentas, un grupo de profesionales visionarios trabajaron por establecer una universidad no presencial, con una metodología a distancia, que le permitiera llegar hasta los rincones más alejados del país, de tal manera que se ofreciera educación superior a “todos los sectores de la población, especialmente a aquellos, que por razones económicas, sociales, geográficas, culturales, etarias, de discapacidad o de género, requieren oportunidades para una inserción real y equita...

  7. Oil Palm:A tropical woody tree species as biomass energy%热带木本生物质能源树种——油棕

    Institute of Scientific and Technical Information of China (English)

    雷新涛; 曹红星; 冯美利; 王永; 李杰

    2012-01-01

    Oil palm is an important tropical woody tree species for biomass energy.It possesses the characteristics of long fruiting stage,high yield and oil content.With the increase of crude oil prices,the development of biodiesel is receiving more attention.Palm oil is a very promising and competitive raw material for producing biodiesel due to low production cost.In this paper,we summarize the main characteristics of oil palm including palm oil production,trade,consumption of the world and in China.The importance,feasibility and prospects of developing an oil palm industry in China is also discussed.%油棕是一种重要的热带木本生物质能源树种,具有结果期长、产量和含油量高等特点。随着原油价格的不断上涨,生物柴油的发展日益受到关注。而棕榈油由于生产成本低廉,成为生产生物柴油最具竞争力的原料。本文分别综述了油棕的基本特性、全球及我国棕榈油生产贸易和消费状况、我国发展油棕产业的重要意义,在此基础上对我国发展油棕产业的可行性和前景进行了探讨。

  8. Evaluation of thermal power plant with biomass (pell of rice briquets): real case - 'Experimental farm of the Centro Universitario Luterano de Palmas'; Avaliacao de planta termica com biomassa (briquete de casca de arroz): caso real 'Fazenda experimental do Centro Universitario Luterano de Palmas'

    Energy Technology Data Exchange (ETDEWEB)

    Marcon, Rogerio Olavo; Zukowski Junior, Joel Carlos; Cavalcante, Italo Ricardo Lopes [Centro Universitario Luterano de Palmas (CEULP/ULBRA), Palmas, TO (Brazil)

    2004-07-01

    The panorama established in the current scenery signals that the sources of energy renewed they should assume growing paper in the world energy head office, forced by the perspective of reduction of the reservations of fossil fuels and, more and more, for environmental subjects. Among the countless sources you renewed of energy, the biomass is shown as an alternative one quite promising, among the energy of the win and solar. In this context the use of alternative sources of energy, in particular the biomass (residues of cane of sugar and of wood, besides the peel of rice), they appear as an opportunity of private importance to collaborate in the offer of energy of the inter linked system of Brazil, in the form of decentralized generation and close to the consumption points, through equipment and national fuel (example process residues); advantages these that, formed an alliance thoroughly with the environmental benefits known, they do with that the biomass is a strategic option for the country, that only depends on politics adapted for its situation. On the other hand, areas still exist in Brazil, specifically in the North area, that they do not belong to the interlinked system, with generation exclusively based on oil diesel, what corresponds to an important the bottom net in our energy head office. Brazil, besides importer of gross petroleum to refine, it is forced to import oil pure diesel to guarantee the offer of this fuel. In the last ten years the import of oil pure diesel increased ten times data of ANP approximately (www.anp.gov.br). Besides this subject of the import of the diesel and of the emissions current west of its use, such as: oxides of sulfur, material powder and gases of effect stove, among other, the generation in the Isolated Systems with motors diesel (largely old and inefficient) it is based on the subsidies of the Bill Consumption of Fuel (CCC), that pays an additional of US$ 100 for MWh generated in this alternative system. The conventional options for substitution of these motors to diesel depend on investments elevated in transport systems and distribution of the natural gas a substitute of smaller impact to the oil, and still the environmental impacts caused by the gas pipe line construction through the Amazon forest. In this context, the biomass use produced locally (or generated, as residues) in the communities for production of energy appears as a viable and maintainable possibility for this model. Vegetable oils in adapted motors diesel and agricultural residues as fuel in systems of generation of small load come as possible technological alternatives and, now, viable economically, in function of the use of CCC for energy renewed - what became possible for the recent regulation of ANEEL. It is worth to stand out that the different sceneries presented in the regions of the country influence directly in the parameters of use of the biomass as energy. In a general way, the biomass like this maid perfectly in the concept of the maintainable development, because it allows the creation of employments in the area, economic activities, it reduces the relative costs to the distribution and transmission of the generated energy and, when used in a maintainable way, it presents null the emissions of carbon, not attacking, in this way, the environment. However, it is known that the economic viability of a generation project depends, in first place of the characteristics of the own unit, of the tariff of electric energy and of the cost of the fuel for the consumer. Specifically, the viability of each installation is determined in the conceptual project where he/she takes place the cash flow study and of the cost of the energy for modality of fuel. The economic evaluation of a project consists of pondering the factors that involve the taking of decision, with larger success probability in the development of an investment project. After the decision of execution of a project, defined its characteristics, its implementation place, the equipment, the labor and necessary materials, it is necessary to calcu

  9. Bionomics data and descriptions of the immatures of Calyptocephala gerstaeckeri Boheman (Coleoptera: Chrysomelidae), pest of the oil palm (Elaeis guineensis J.) and camedor palm (Chamaedorea elegans Mart.) (Arecaceae) in Tabasco, Mexico; Datos bionomicos y descripcion de los inmaduros de Calyptocephala gerstaeckeri Boheman (Coleoptera: Chrysomelidae), plaga de la Palma Aceitera (Elaeis guineensis J.) y de la Palma Camedor (Chamaedorea elegans Mart.) (Arecaceae) en Tabasco, Mexico

    Energy Technology Data Exchange (ETDEWEB)

    Cordova-Ballona, Leonides [Universidad Popular de la Chontalpa, Tabasco (Mexico); Sanchez-Soto, Saul [Colegio de Postgraduados, Tabasco (Mexico). Campus Tabasco

    2008-11-15

    Characters of the external morphology of egg, larval instars and pupae of Calyptocephala gerstaeckeri Boheman, insect pest of oil palm (Elaeis guineensis J.) and camedor palm (Chamaedorea elegans Mart.) in the State of Tabasco, Mexico, are described and illustrated. Some bionomics data are also presented. The specie was reared in the laboratory on young oil palm plants. (author)

  10. Avaliação toxicológica e efeito do extrato acetato de etila da fibra de Cocos nucifera L. (Palmae sobre a resposta inflamatória in vivo Toxicological evaluation and effect of ethyl acetate extract of the fiber of Cocos nucifera L. (Palmae on inflammatory response in vivo

    Directory of Open Access Journals (Sweden)

    L.C.R. Silva

    2009-01-01

    Full Text Available Objetivou-se investigar o efeito do extrato acetato de etila de Cocos nucifera (EAECN sobre parâmetros fisiológicos e sobre a inflamação tópica induzida por xileno. EAECN foi obtido a partir da água da fibra da casca do coco verde e o teste fitoquímico indicou a presença de taninos condensados, flavononas, flavonóis, flavononóis, xantonas e esteróides. EAECN foi administrado aos camundongos Swiss por via oral em dose única diária de 10, 30, 100 e 250 mg Kg-1 por cinco dias consecutivos para os protocolos de toxicidade e inflamação tópica. No ensaio de toxicidade foram observadas as freqüências cardíacas e respiratórias, a presença de diarréia, analgesia e apatia e realizada a contagem total dos leucócitos do sangue periférico, avaliação macroscópica dos órgãos e peso relativo do rim, fígado, timo e baço. O efeito do EAECN sobre a inflamação tópica foi realizado utilizando-se grupos testes com as diferentes concentrações de EAECN e grupos controles positivos que receberam, pela mesma via nas mesmas condições, NaCl 0,9% ou DMSO a 5% ou o antiinflamatório padrão, Dexametasona (6 mg Kg-1. Todos os animais receberam o agente flogístico (25 µL nas partes interna e externa da orelha duas horas após o último tratamento, enquanto os animais do grupo controle negativo não receberam qualquer tratamento. Após 50 minutos da aplicação do xileno, os animais foram sacrificados, e uma porção de cada orelha foi retirada e pesada. A diferença de peso entre as orelhas representa o efeito induzido pelos tratamentos. EAECN não desenvolveu toxicidade, não alterou a contagem total de leucócitos, não alterou o peso e nem o peso relativo dos órgãos dos animais tratados em relação aos controles. EAECN não inibiu a inflamação provocada pelo xileno, apresentando efeito pró-inflamatório dependente da dose. Conclui-se que EAECN nos protocolos utilizados não é tóxico e não possui atividade antiinflamatória tópica.This study aimed to investigate the effect of ethyl acetate extract of Cocos nucifera (EAECN on physiological parameters and xylene-induced topic inflammation. EAECN was obtained from the water of the green coconut husk fiber and the phytochemical test indicated the presence of condensed tannins, flavanones, flavonols, xanthones and steroids. EAECN was orally administered to Swiss mice at a single daily dose of 10, 30, 100 and 250 mg Kg-1 during five consecutive days for toxicity and topic inflammation protocols. Toxicity experiments included the observation of heart and respiratory frequencies, diarrhea, analgesia and apathy, besides total leukocyte count in peripheral blood, macroscopic evaluation of the organs, and relative weight of kidneys, liver, thymus and spleen. The effect of EAECN on topic inflammation was assessed using test groups with different EAECN concentrations and positive control groups which received, by the same route and conditions, NaCl 0.9%, DMSO 5% or reference drug, Dexamethasone (6 mg Kg-1. All the animals received the phlogistic agent (25 µL in the inner and outer parts of the ears two hours after the last treatment, whereas the negative control group animals did not receive any treatment. At 50 minutes after xylene application, the animals were sacrificed and a portion of each of their ears was removed and weighed. The difference between ear weights represents the effect induced by the treatments. EAECN did not develop toxicity, change leukocyte total count, or alter animal weight and organ relative weight in treated animals compared with control groups. EAECN did not inhibit the xylene-induced inflammation, demonstrating dose-dependent pro-inflammatory effect. In conclusion, EAECN used as in these experimental protocols is not toxic and does not have topic anti-inflammatory activity.

  11. Evaluation of thermal power plant with biomass (pell of rice briquets): real case - 'Experimental farm of the Centro Universitario Luterano de Palmas'; Avaliacao de planta termica com biomassa (briquete de casca de arroz): caso real 'Fazenda experimental do Centro Universitario Luterano de Palmas'

    Energy Technology Data Exchange (ETDEWEB)

    Marcon, Rogerio Olavo; Zukowski Junior, Joel Carlos; Cavalcante, Italo Ricardo Lopes [Centro Universitario Luterano de Palmas (CEULP/ULBRA), Palmas, TO (Brazil)

    2004-07-01

    The panorama established in the current scenery signals that the sources of energy renewed they should assume growing paper in the world energy head office, forced by the perspective of reduction of the reservations of fossil fuels and, more and more, for environmental subjects. Among the countless sources you renewed of energy, the biomass is shown as an alternative one quite promising, among the energy of the win and solar. In this context the use of alternative sources of energy, in particular the biomass (residues of cane of sugar and of wood, besides the peel of rice), they appear as an opportunity of private importance to collaborate in the offer of energy of the inter linked system of Brazil, in the form of decentralized generation and close to the consumption points, through equipment and national fuel (example process residues); advantages these that, formed an alliance thoroughly with the environmental benefits known, they do with that the biomass is a strategic option for the country, that only depends on politics adapted for its situation. On the other hand, areas still exist in Brazil, specifically in the North area, that they do not belong to the interlinked system, with generation exclusively based on oil diesel, what corresponds to an important the bottom net in our energy head office. Brazil, besides importer of gross petroleum to refine, it is forced to import oil pure diesel to guarantee the offer of this fuel. In the last ten years the import of oil pure diesel increased ten times data of ANP approximately (www.anp.gov.br). Besides this subject of the import of the diesel and of the emissions current west of its use, such as: oxides of sulfur, material powder and gases of effect stove, among other, the generation in the Isolated Systems with motors diesel (largely old and inefficient) it is based on the subsidies of the Bill Consumption of Fuel (CCC), that pays an additional of US$ 100 for MWh generated in this alternative system. The conventional options for substitution of these motors to diesel depend on investments elevated in transport systems and distribution of the natural gas a substitute of smaller impact to the oil, and still the environmental impacts caused by the gas pipe line construction through the Amazon forest. In this context, the biomass use produced locally (or generated, as residues) in the communities for production of energy appears as a viable and maintainable possibility for this model. Vegetable oils in adapted motors diesel and agricultural residues as fuel in systems of generation of small load come as possible technological alternatives and, now, viable economically, in function of the use of CCC for energy renewed - what became possible for the recent regulation of ANEEL. It is worth to stand out that the different sceneries presented in the regions of the country influence directly in the parameters of use of the biomass as energy. In a general way, the biomass like this maid perfectly in the concept of the maintainable development, because it allows the creation of employments in the area, economic activities, it reduces the relative costs to the distribution and transmission of the generated energy and, when used in a maintainable way, it presents null the emissions of carbon, not attacking, in this way, the environment. However, it is known that the economic viability of a generation project depends, in first place of the characteristics of the own unit, of the tariff of electric energy and of the cost of the fuel for the consumer. Specifically, the viability of each installation is determined in the conceptual project where he/she takes place the cash flow study and of the cost of the energy for modality of fuel. The economic evaluation of a project consists of pondering the factors that involve the taking of decision, with larger success probability in the development of an investment project. After the decision of execution of a project, defined its characteristics, its implementation place, the equipment, the labor and necessary materials, it is necessary to calculate all the involved costs and which will be the necessary investment. The success of any project goes by one it analyzes the most exact possible of the whole necessary investment to the implementation, from investment in lands, constructions, equipment, expenses with personnel in the production and maintenance, to the administration of the project, etc., as well as the determination of its profitability or its 'profit'. After these calculations, it will be necessary to verify investment alternatives that become more advantageous in investment terms and its return exist, that it is necessary to do the comparison of alternatives. (author)

  12. Ostracods of Andaman Sea

    Digital Repository Service at National Institute of Oceanography (India)

    Stephen, R.; Meenakshikunjamma, P.P.

    Distribution of 12 species of ostracods was studied from the waters around Andaman-Nicobar area. Euconchoecia aculeata was the most abundant species occurring mostly as swarms with a maximum density of 9732 specimens/1000 m sup(3) . Cypridina...

  13. Regional Supplement to the Corps of Engineers Wetland Delineation Manual: Caribbean Islands Region (Version 2.0)

    Science.gov (United States)

    2011-05-01

    Service (NRCS), Washington, DC; Karl Hipple, NRCS National Soil Survey Center, Lincoln, NE; Dan Martel, USAE District, San Francisco , CA; Jennifer...fustic or tachuelo (Pictetia aculeata), black wattle or bejuco prieto (Capparis cynophallophora), fiddlewood, bastard cedar or guacima (Guazuma

  14. A robust and well-resolved phylogeny of Bactridinae (Arecaceae) based on plastid and nuclear DNA sequences

    DEFF Research Database (Denmark)

    Eiserhardt, Wolf L.; Pintaud, Jean-Christophe; Asmussen-Lange, Conny

    Bactridinae include about 150 species of spiny Neotropical palms in five genera that are important in several vegetation types such as open woodlands (Acrocomia), lowland rainforest (Astrocaryum, Bactris) and montane forest (Aiphanes). The subtribe also includes the only lianescent palm genus in ...

  15. Desenvolvimento e caracterização de filmes a base de isolado protéico de resíduos de corvina (micropogonias furnieri) e óleo de palma

    OpenAIRE

    Halal, Shanise Lisie Mello El

    2012-01-01

    Nas últimas duas décadas, o descarte e o acúmulo de embalagens não biodegradáveis têm agravado os problemas ambientais. Uma das soluções encontradas, particularmente na área de embalagens de alimentos, é o desenvolvimento de filmes a partir de polímeros que possam substituir os materiais sintéticos. Fontes alternativas de proteína, como os resíduos de pescados, tornam-se importante, pois estes representam de 60 a 70% da matéria-prima e são descartados pelas indústrias de fil...

  16. Adecuación de los hábitos nutricionales y de actividad física de adolescentes escolarizados en la ciudad de Las Palmas de Gran Canaria a las recomendaciones saludables

    OpenAIRE

    Cabrera Naranjo, María del Pino

    2016-01-01

    Programa de doctorado: Clínica y terapéutica (Interdepartamental) [ES]Los estudios de requerimientos nutricionales en adolescentes son limitados, estableciéndose las ingestas recomendadas para este colectivo por extrapolación de los datos obtenidos en niños y adultos. Es durante la adolescencia cuando la importancia de los nutrientes óptimos es mayor. Los objetivos de esta tesis fueron por un lado, estudiar los hábitos de vida, higiénicos, de acti...

  17. Deep-fat frying of meat products in palm olein Fritura por imersão de produtos cárneos em oleína de palma

    OpenAIRE

    Cibele Cristina Osawa; Lireny Aparecida Guaraldo Gonçalves

    2012-01-01

    This study investigated the discontinuous frying of breaded meat products in palm olein in a 28 L-electric fryer maintained at 182 ºC for 8 hours a day. Three 400-500 g batches of meat products were fried for 4.5 minutes daily. For comparison purpose, thermoxidation tests were performed using inert material with added moisture and without the addition of f ood (heating only). The total polar compound content did not reach the 25% limit, and nor did the formation of polymerized products exceed...

  18. Estudio de alternativas para la recuperacion de aguas residuales en el proceso de obtención de aceite de palma en la planta de beneficio de guaicaramo s.a. meta

    Directory of Open Access Journals (Sweden)

    Luis Emilio Vera-Duarte

    2007-01-01

    Full Text Available In the plant of Guaicaramo, for the process of obtaining of the palm oil, the boilers produce the greater demand of water used in the process, approximately 96000 m3 per year, this steam to the being used in this process generates condensed, that when reusing them would diminish the demand of originating water of deep wells and the river, reason why this study put forward the design of a recovery system of the condensed ones that fulfill according to parameters determined by ABMA (American Boiler Manufacture Asociation to feed the boiler again. Also the final efluentes of the system of treatment (EFST of different parts from the process were analyzed that arrive at a mud swimming pool for their recovery, for these seted out an experimental design using raw materials of remainder of the company (cuescos of palm, fiber and tusa and a single traditional treatment (Filtration or flocculation or sedimentation and mixtures with water to look for their later use like water of feeding of boilers.

  19. Multibeam collection for M29L3: Multibeam data collected aboard Meteor from 1994-08-13 to 1994-09-03, departing from Rio de Janeiro, Brazil and returning to Las Palmas, Spain

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — This data set is part of a larger set of data called the Multibeam Bathymetry Database (MBBDB) where other similar data can be found at...

  20. Multibeam collection for SO83: Multibeam data collected aboard Sonne from 1992-12-02 to 1992-12-27, departing from Bremerhaven, Germany and returning to Las Palmas, Spain

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — This data set is part of a larger set of data called the Multibeam Bathymetry Database (MBBDB) where other similar data can be found at...

  1. Multibeam collection for KN162L19: Multibeam data collected aboard Knorr from 2001-06-25 to 2001-07-22, departing from Las Palmas, Spain and returning to Bridgetown, Barbados

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — This data set is part of a larger set of data called the Multibeam Bathymetry Database (MBBDB) where other similar data can be found at...

  2. Biodiesel expansion and decentralized electric systems - tests of B50 with soybean, palm tree and fritter; Expansao do biodiesel e sistemas eletricos descentralizados - testes de B50 com soja, palma e fritura

    Energy Technology Data Exchange (ETDEWEB)

    Marques, Luiz Guilherme [Universidade Federal do Rio de Janeiro (PET/COPPE/UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-Graduacao de Engenharia. Programa de Engenharia de Transportes], E-mail: lguilherme@ivig.coppe.ufrj.br; Villela, Alberto A.; Freitas, Marcos V. [Universidade Federal do Rio de Janeiro (PPE/COPPE/UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-Graduacao de Engenharia. Programa de Planejamento Energetico], Emails: villela@ppe.ufrj.br, mfreitas@ppe.ufrj.br

    2010-07-01

    This paper compares the performance, for electric power generation, of biodiesel produced by three different insums: soybean oil, palm tree oil and fritter residual oil. For that, it was tested mixtures of diesel oil and biodiesel, at volumetric proportion of 50/50 (B50), in a generator group with four levels of load. The results have shown equivalent performance for all B50 used in the proposed loads, independent of used raw material.

  3. Palm oil based polymer materials obtained by romp: study by low field NMR; Materiais polimericos obtidos via ROMP a partir de oleo de palma: estudo por RMN de baixo campo

    Energy Technology Data Exchange (ETDEWEB)

    Fernandes, Henrique; Lima-Neto, Benedito S., E-mail: benedito@iqsc.usp.br [Universidade de Sao Paulo (USP), Sao Carlos, SP (Brazil). Instituto de Quimica de; Azevedo, Eduardo R. de [Universidade de Sao Paulo (USP), Sao Carlos, SP (Brazil). Instituto de Fisica

    2013-07-01

    Aiming to study and develop new materials synthesized from sustainable sources, several polymers were prepared using in its monomeric composition, different amounts of NPO (Norbornenyl Palm Oil) monomer. This monomer was developed based on a vegetable oil rather produced in northern Brazil, the Palm Oil. Since this oil have a low content of unsaturation, its use in developing new monomer for ROMP (Ring-Opening Metathesis Polymerization) is not exploited. In this regard, polymeric materials were obtained using the NOP and both the reaction process and the resulting products were analyzed by Nuclear Magnetic Resonance in the time domain (TD-NMR) at low magnetic field. (author)

  4. Otimização da reação de interesterificação química do óleo de palma Optimization of the cemical interesterification reaction of palm oil

    Directory of Open Access Journals (Sweden)

    Renato Grimaldi

    2005-08-01

    Full Text Available The Brazilian market has been showing a growing concern with nutritional values of oil components of foods. Chemical interesterification is a promising alternative to the current processes of modifying the consistency of oils. Chemical interesterification of deodorized palm oil was studied on a laboratory scale. The best results were obtained with 0.4% MeONa and heating for 20 min at 100 °C. These conditions are based on the largest variation in triacylglycerols as compared to a control. The trisaturated values varied from 6.2 to 9.9%, showing that the consistency of the oil improved for it to be used in margarines, without the formation of trans isomers.

  5. Pollution bi nitrate in the urban and rural zone of Macachins town, La Palma, Argentina; Contaminacion por nitrato en la zona urbana y rural de la localidad de Machachin, La Pampa, Argentina

    Energy Technology Data Exchange (ETDEWEB)

    Holzman, M. e.; Dalmaso, M. G.; Marno, E.

    2009-07-01

    The town of Macachin is located over the Valle Argentino aquifer. there, the phreatic aquifer is lodged in a sandy superficial cap and in the slime-sandy sediments. The objective of this work is to depict the pollution of the unconfined aquifer of Macachin, considering the presence of nitrate as determining actor of the quality of the resource. The peri urban area was analysed with the purpose of cover the area of relocalization of the sources of potable water for the town. In the urban area, the domiciliary perforations and in those os supply were considered. Samples in perforations and in drilled wells were collected. Temperature, pH, electrical conductivity and the ions concentration for nitrate and chloride were measured. Statistical basic parameters were calculated for eight wells in exploitation and also for the perforations and drilled wells. It was concluded that the conditions of the underground waters is little satisfactory. All of the domiciliary wells sampled contained a quantity of nitrate that overcomes the maximum levels allowed for the consumption of potable water. In the city's wells of supply a significant increase of the nitrate concentrations was identified since 1998, approximately. The contribution of organic matter to the underground water could be originated in the decomposition of the domiciliary wastes arranged in cesspools. In both areas, the nitrate concentrations in the unsaturated zone are similar and superior to the limit allowed for human consumption. The pollution sources in the rural zone can be permanent corrals of animals. (Author) 10 refs.

  6. Consumo no ciberespaço: a explosão de aplicativos de dispositivos móveis que ajudam a controlar a vida na palma da mão

    Directory of Open Access Journals (Sweden)

    Arlete Eni Granero

    2013-12-01

    Full Text Available A valorização da troca de informações está na espontaneidade e no tempo real. As pessoas criam textos, vídeos, músicas e divulgam através de seus telefones celulares, pela internet etc. 13% dos usuários de smarthphones no Brasil realizaram compras por celular no Brasil, de acordo com Ibope Media (2013. Entre os itens mais comprados estão os jogos e aplicativos (37%. Este trabalho tem como objetivo analisar a mudança das ferramentas que viabilizam o consumo via mobile e como as ‘coisas’ estão ganhando movimento pelos dispositivos eletrônicos. Neste contexto, as coisas na pós web tomam vida ao serem integradas ao cotidiano das pessoas.  A metodologia utilizada apresenta a revisão bibliográfica traçando um panorama que aborda os conceitos de consumo, a evolução do marketing, o perfil psicográfico das gerações, geração digital (DOVER; MOFFIT, 2012 e portabilidade cultural (CANCLINI, 2008.  O corpus do estudo provoca uma reflexão acerca da aplicabilidade dos conceitos de rede de dispositivos inteligentes presentes nos smartphones, aqui exemplificados pelos aplicativos Nike Running, AliveCor e Tinder e os benefícios dos mesmos entregues à sociedade. Os resultados apresentam uma indústria de “coisas” que atendem especificamente um público jovem que busca a experiência da participação e do engajamento na internet. Concluímos que diante das inovações criadas a cada mês, percebe-se uma indústria de “coisas” que possam atender especificamente um público jovem que busca a experiência da participação e do engajamento na internet. Para atender a “geração digital” (DOVER; MOFFIT, 2012, são necessários cada vez mais dispositivos que possam oferecer diversas mídias. Neste sentido, percebe-se um consumo tecnológico, onde máquinas e programas configuram-se como mercadorias (BRETA, 2007, mas que também pessoas tornem-se produtos, ao propagar suas subjetividades na internet.

  7. Primary energy balance of biodiesel production from palm oil for the conditions of Brazil and Colombia; Balanco energetico preliminar da producao do biodiesel de oleo de palma para as condicoes do Brasil e da Colombia

    Energy Technology Data Exchange (ETDEWEB)

    Costa, Roselis Ester da; Lora, Electo Eduardo Silva [Universidade Federal de Itajuba (UNIFEI/MG), MG (Brazil)], Emails: roseliscosta@yahoo.com.br, electo@unifei.edu.br; Yanez, Edgar [Centro de Investigacion en Palma de Aceite (CENIPALMA), Bogota (Colombia)], Email: edgar.yanez@cenipalma.org; Torres, Ednildo Andrade [Universidade Federal da Bahia (UFBA), Salvador, BA (Brazil)], Email: ednildo@ufba.br

    2006-07-01

    The increasing related ambient concerns to the emissions of atmospheric pollutants for fuels, alternative sources of energy are having bigger attention, mainly those that contribute in the mitigation of these emissions. Being thus, the use of the biodiesel produced by the etherification of vegetal oils with methanol and ethanol, are seen as present interesting alternative. The energy analysis of the relation of the energy invested in the production of bio diesel can contribute as tool for a posterior formularization of pointers of the technician-economic and ambient viability in the comparison between the different oleaginous, as form to diagnosis one better type of culture for the production of biodiesel. The objectives of this work is to carry the energy analysis in the production of the palm oil biodiesel, for the conditions of Brazil and Colombia, as well as showing the differences between the results found for the two cases. The presented results are shown through comparative graphs for the two cases and with the final energy balance for each company. (author)

  8. Estudio Fase I de la tolerabilidad del D-004, un extracto lipídico del fruto de la palma real (320 a 960 mg/d en voluntarios sanos

    Directory of Open Access Journals (Sweden)

    Ernesto López

    2008-01-01

    y bloquear las respuestas mediadas por los receptores a1-adrenérgicos. El D-004, sin embargo, no muestra toxicidad asociada, por lo que presenta un perfil promisorio para el manejo de la HPB. El presente estudio Fase I, aleatorizado, a doble ciegas y controlado con placebo investigó la tolerabilidad de dosis únicas y repetidas de D-004, administrado por vía oral (320 a 960 mg/d y la reversibilidad de sus posible efectos. El estudio comprendió dos etapas. La I investigó los efectos de dosis únicas orales (320 a 960 mg y su reversibilidad, evaluada a través de 14 d, y la II, que investigó los efectos de dosis repetidas (320 a 960 mg/d durante 21 d, con controles intermedios cada siete días, seguidos de un período de suspensión de tratamiento (lavado de 14 d. Cuarenta hombres sanos, elegibles según criterios de selección, se distribuyeron aleatoriamente en cuatro grupos: un placebo, tres tratados con D-004 (320, 640 y 960 mg. Las características basales de todos los grupos fueron similares. Durante el estudio no hubo bajas y el tratamiento no produjo, en ninguna etapa, cambios diferentes a los del grupo placebo, incluida su actividad sexual. Además, todas las variables estuvieron dentro de rangos normales. Las experiencias adversas (EA referidas, todas gastrointestinales, fueron leves. En conclusión, el D-004, como dosis únicas (320 a 960 mg o repetidas por 21 d, fue bien tolerado por los sujetos del estudio, sin producir EA características de esta clase terapéutica, como hipotensión postural o cambios en las concentraciones séricas de antígeno prostático, testosterona o estradiol.

  9. Propuesta de evaluación de las Matemáticas para la Economía y la Empresa. Una experiencia en la Universidad de Las Palmas de Gran Canaria

    Directory of Open Access Journals (Sweden)

    Vázquez Polo, F.

    1998-01-01

    Full Text Available La evaluación es el último principio instruccional que cierra el proceso enseñanza/aprendizaje. Si teóricamente la evaluación contrasta las intenciones con los resultados, orientando la toma de decisiones; en la práctica, compara los objetivos propuestos con los resultados del aprendizaje obtenidos en el proceso enseñanza/aprendizaje a partir del contraste con unos criterios preestablecidos, y procede a la toma de decisiones sobre la superación o no de la materia. La evaluación ha de ser programada eligiendo los métodos adecuados y definiendo su temporalización. Cualquier método de evaluación debe ser válido, en el sentido que mida aquello que queremos; debe ser fiable, esto es, que permita un cierto grado de confianza en los resultados obtenidos, y justo, es decir que exista concordancia entre las enseñanzas y lo que se exige. No existe un método de evaluación universalmente válido, la elección depende de los objetivos planteados y de los contenidos. Pueden combinarse varios procedimientos, por ejemplo, pruebas orales o escritas con cuestiones teóricas o teórico-prácticas cortas, con preguntas abiertas de respuesta larga, teóricas o prácticas, y trabajos extensos de carácter práctico individuales o de grupo.

  10. Catálogo sistemático dos pólens das plantas arbóreas do Brasil Meridional: XII - Palmae Catalogue of Brazilian pollen grains

    Directory of Open Access Journals (Sweden)

    Ortrud Monika Barth

    1971-01-01

    Full Text Available Foi estudada a morfologia polínica de sete espécies de palmeiras que ocorrem na floresta subtropical latifoliada do Brasil meridional, dando-se especial ênfase à estratificação das exinas em relação ao aspecto da superfície. A presença de nexina 1 no gênero Butia e a falta desta camada nos deamis gêneros estudados, está de acôrdo com as grandes divisões toxonômicas destas família, bem como a ocorrência ecológica das espécies.The pollinic morphology of seven palm-tree species which occur in the subtropical ombrophilous forest in southern Brazil have been examined. Emphasis have been put in the study of the exine stratification in relation to the superficial aspect of the pollen. The presence of nexine 1 in Butia and the lack of this layer in the other genera, agrees with the taxonomic sub-division of the family, as well as with the ecological distribution of the species here studied.

  11. Efecto de la inclusión de aceite de palma en la ración sobre las características de la canal de corderos sacrificados a los 25 kg de peso vivo

    OpenAIRE

    Manso, Teresa; Castro, Teresa; Mantecón, Ángel R.; Jimeno, Vicente

    2002-01-01

    6 páginas, 3 tablas.-- Ponencia presentada a las XXVII Jornadas Científicas y VI Jornadas Internacionales de la Sociedad Española de Ovinotecnia y Caprinotecnia: producción ovina y caprina (Valencia, España, 19 a 21 de septiembre de 2002).

  12. An integral utilization of the macauba coconut for energy purposes; Aproveitamento integral do coco macauba para fins energeticos

    Energy Technology Data Exchange (ETDEWEB)

    Martins, H.; Teixeira, L.C.; Oliveira, A.M. de [Centro Tecnologico (CETEC), Belo Horizonte, MG (Brazil)

    1984-12-31

    This work presents the potential of utilization of the macauba (Acrocomia sclerocarpa) coconut as renewable energy source. The macauba, found abundantly in Minas Gerais, can provide annual yields of up to 20 ton of fruits per hectare. Besides the high yields of oil (about 4 ton per hectare-year), the residues of extraction, such as the endocarp, constitute raw-materials for thermoelectric energy or charcoal production. 3 refs., 7 tabs.

  13. Long-memory time series theory and methods

    CERN Document Server

    Palma, Wilfredo

    2007-01-01

    Wilfredo Palma, PhD, is Chairman and Professor of Statistics in the Department of Statistics at Pontificia Universidad Católica de Chile. Dr. Palma has published several refereed articles and has received over a dozen academic honors and awards. His research interests include time series analysis, prediction theory, state space systems, linear models, and econometrics.

  14. Dicty_cDB: Contig-U09604-1 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available . 38 0.14 3 ( AY442210 ) Drosophila subobscura strain Palma-1 A+T rich reg... 38 0.14 3 ( AY442209 ) Drosoph...subobscura strain Agadir-15 A+T rich r... 38 0.14 3 ( AY442211 ) Drosophila subobscura strain Palma

  15. Obtenção de ésteres etílicos a partir de oleína e óleo de palma por catálise hetergenêa utilizando resina de troca aniônica

    OpenAIRE

    Isabel Janet Bejarano Alva

    2016-01-01

    Resumo: Os oleoquímicos são uma importante alternativa para a substituição de produtos baseados no petróleo. O biodiesel é um deles e é definido como uma mistura composta de ésteres alquílicos de ácidos graxos, obtido principalmente pela reação de transesterificação de óleos vegetais com álcoois de cadeia curta. Esta reação pode ocorrer na presença de catalisadores homogêneos ou heterogêneos. A catálise heterogênea usando resinas de trocas iônicas para a obtenção de biodiesel apresenta vantag...

  16. Metodología para la implementación de los procesos administrativos y de producción que se deben aplicar en la extracción del aceite crudo de palma según la norma de cadena de suministro de la RSPO

    OpenAIRE

    Albarracín Bohórquez, Nicolás

    2015-01-01

    Bogotá (Colombia): Universidad de La Salle. Facultad de Ciencias Agropecuarias. Maestría en Agronegocios Tesis (Magister en Agronegocios).-- Universidad de La Salle. Facultad de Ciencias Agropecuarias. Maestría en Agronegocios, 2015

  17. Influence of the deep fat frying process on the lipid profile of the fat contained in the french type fried potato using palm olein; Influencia del proceso de fritura en profundidad sobre el perfil lipidico de la grasa contenida en patatas tipo french, empleando oleina de palma

    Energy Technology Data Exchange (ETDEWEB)

    Marcano, J.; Rosa, Y. la; Salinas

    2010-07-01

    The aim of this investigation was to evaluate the influence of certain variables of the process of deep fat frying on the lipid profile of the fat fraction of the potato type french (Solanum tuberosum) using palm oil. This marked the first fat fraction of both the processing type and the oil used, through the evaluation of various physicochemical parameters, using the method of AOAC and the Standard COVENIN. We identified variables that influenced the process during frying of potatoes, using an experimental design of type 3 * 2{sup 2}, evaluating factors such as the reuse of the matrix fat (1st, the 4th and the 8th fry), temperature (150 degree centigrade and 180 degree centigrade) and method of food peeling (chemical and manual), studying the content of polar compounds as an indicator of the deterioration of the fat present in the potato, finding that oil reuse and peeling method significantly influenced in a positive manner, and that the temperature has a negative influence on the absorption of polar compounds in potato chips ({alpha}: 0.05). (Author) 23 refs.

  18. Valoración económica del impacto de la contaminación atmosférica y el ruido en relación al turismo. Casos prácticos, Las Palmas de Gran Canaria (España) - Montevideo (Uruguay

    OpenAIRE

    Mautone, Marcelo

    2016-01-01

    Programa de doctorado: Ingeniería ambiental y desalinización. La fecha de publicación es la fecha de lectura. [ES]El turismo es un fenómeno mundial, de enorme impacto en los recursos naturales: agua, aire, suelo, y cada vez más se constituye en uno de los principales ingresos para países desarrollados y en vías de desarrollo. Esta tesis doctoral aborda el estudio comparativo sobre la valoración económica del impacto de la contaminación atmo...

  19. Modelo de exploración para estimación rápida del Poder Calorífico Superior de racimos vacíos del fruto de palma de aceite basado en el contenido de Cenizas obtenido a partir de datos de análisis próximo

    Directory of Open Access Journals (Sweden)

    Jorge Villegas

    2014-07-01

    Full Text Available A correlation model for a quick-scan estimation of the Higher Heating Value (HHV of Oil Palm Empty Fruit Bunches (EFB base on proximate analysis is presented in this paper. The proximate analysis variables Fixed Carbon (FC, Ash Content (Ash, Volatile Matter (VM, Residual Moisture were analyzed statistically to obtain a model to estimate HHV which can be used as a support for evaluating the energetic disponibility of the EFB,  with Ash content as the input variable.  The samples were taken directly from the end of the processing line (the process exit after the fruit removal section in facilities of agro-industrial companies located in the Colombian coast. The average HHV obtained was 16.18 MJ/kg, and the minimum and maximum value of HHV was 13.6 MJ/kg and 19.51 MJ/kg, respectively.

  20. Evaluación integral de la eficiencia económica y ambiental de procesos para la obtención de biodiesel

    OpenAIRE

    Montoya Rodríguez, María Isabel

    2008-01-01

    En este trabajo se evaluaron tres esquemas de proceso para la obtención de biodiesel: el proceso convencional a partir de aceite de palma y etanol, el proceso por reacción extracción a partir de aceite de palma y etanol, y el proceso por destilación reactiva a partir de ácido oleico y metanol. La evaluación se inicia desde el análisis del aceite de palma como materia prima potencial para la producción de biodiesel en Colombia y una breve historia del uso de aceites como combustibles, junto co...

  1. Influence of particulate matter on microfouling biomass in the Arabian Sea

    Digital Repository Service at National Institute of Oceanography (India)

    Bhosle, N.B.; Nandakumar, K.; Wagh, A.B.

    to the presence of small zooplankton, eggs or larvae. Microfouling biomass varied from station to station (Tables 1--3). Microfouling in general was higher in shelf waters as compared with slope and oceanic waters. This observation agrees with that ofDe Palma... biomass at 2400 m as compared with 1000 m, was in contrast to the observations of De Palma (1984). While working in the Gulf of Mexico, De Palma reported a pro nounced decrease in the fouling biomass (on a dry weight basis) as a function ofdepth. However...

  2. A revision of the subgenus Pedionis (Pedionis) Hamilton from China, with description of two new species (Hemiptera: Cicadellidae).

    Science.gov (United States)

    Zhang, Bin; Zhang, Ruiling

    2014-01-01

    Twenty species of the subgenus Pedionis occurring in the Chinese fauna are recognized, including two new species, P. aculeata sp. nov., P. papillata sp. nov. from Guizhou Prov., China. And, P. nankunshanensis Li, Dai & Li, 2011 is here considered as a junior synonym of P. yunnana Zhang & Viraktamath, 2010. A key to Chinese species of subgenus Pedionis is also provided as well as a checklist.

  3. Briarane Diterpenoids Isolated from Octocorals between 2014 and 2016

    Science.gov (United States)

    Su, Yin-Di; Su, Jui-Hsin; Hwang, Tsong-Long; Wen, Zhi-Hong; Sheu, Jyh-Horng; Wu, Yang-Chang; Sung, Ping-Jyun

    2017-01-01

    The structures, names, bioactivities, and references of 124 briarane-type natural products, including 66 new metabolites, isolated between 2014 and 2016 are summarized in this review article. All of the briarane diterpenoids mentioned in this review were isolated from octocorals, mainly from Briareum violacea, Dichotella gemmacea, Ellisella dollfusi, Junceella fragilis, Junceella gemmacea, and Pennatula aculeata. Some of these compounds exhibited potential biomedical activities, including anti-inflammatory activity, antibacterial activity, and cytotoxicity towards cancer cells. PMID:28218675

  4. Chagas' disease in the Amazon Basin: V. Periurban palms as habitats of Rhodnius robustus and Rhodnius pictipes - triatomine vectors of Chagas' disease

    Directory of Open Access Journals (Sweden)

    M. A. Miles

    1983-12-01

    Full Text Available Trypanosoma cruzi infected Rhodnius robustus and/or Rhodnius pictipes were commonly found, in large numbers, in the Brazilian Amazonian palms Maximiliana regia ("inajá", Acrocomia sclerocarpa ("mucajá" and Orbignya speciosa ("babaçu". The common opossum, Didelphis marsupialis, was the animal most frequently associated with triatomine infested palms. R. pictipes, frequently light-attracted into houses from palm trees, was the probable source of an acute case of Chagas' disease in the vicinity of Belém. It is considered that triatomine infested palms are likely to cause some cases of acute Chagas' disease in the States of Amazonas and Rondônia. Possible control methods are suggested.Rhodnius robustus e/ou Rhodnius pictipes, infectados com Trypanosoma cruzi foram comumente encontrados, em grande numero, nas palmeiras Maximiliana regia (inaja, Acrocomia sclerocarpa (mucaja e Orbignya speciosa (babacu na Amazonia brasileira. O marsupial Didelphis marsupialis foi o animal encontrado mais frequentemente nas palmeiras associadas a alta prevalencia de triatomineos. R. pictipes que e atraido pela luz nas residencias de palmeiras vizinhas, provavelmente e a fonte de um caso agudo de doenca de Chagas nas vizinhancas de Belem. Sugere-se que as palmeiras albergando triatomineos poderiam ser relacionadas com infeccoes humanas de doenca de Chagas nos Estados de Amazonas e Rondonia. Sugere-se, tambem, possiveis metodos de controle.

  5. Mid-tertiary dispersal, not Gondwanan vicariance explains distribution patterns in the wax palm subfamily (Ceroxyloideae: Arecaceae)

    DEFF Research Database (Denmark)

    Trénel, Philipp; Gustafsson, Mats; Baker, W.J.

    2007-01-01

    The Ceroxyloideae is a small but heterogeneous subfamily of palms (Arecaceae, Palmae). It includes a Caribbean lineage (tribe Cyclospathae), a southern hemisphere disjunction (tribe Ceroxyleae), and an amphi-Andean element (tribe Phytelepheae), until recently considered a distinct subfamily...

  6. On the agronomy and botany of salak (Salacca zalacca)

    NARCIS (Netherlands)

    Ashari, S.

    2002-01-01

    Keywords: Salak, Salacca zalacca, Palmae, dioecious, haustorium, simple leaf, compound leaf, sucker, phyllotaxis, seedling, inflorescence, fruit, hand pollination, farm yard manure, fertilizer, shading, walking palm.Salak is a dioecious, suckering palm, grown for its fruit, mainly in Indonesia. Trad

  7. 75 FR 60805 - Notice of Availability of a Draft Environmental Impact Statement for the Gasco Uinta Basin...

    Science.gov (United States)

    2010-10-01

    ... Proposed Action and alternatives incorporate best management practices for oil and gas development and..., we cannot guarantee that we will be able to do so. Juan Palma, State Director. BILLING CODE 4310-DQ-P...

  8. Järgmisel nädalal algab Veneetsia filmifestival / Andris Feldmanis

    Index Scriptorium Estoniae

    Feldmanis, Andris, 1982-

    2006-01-01

    Tänavune Veneetsia filmifestival toimub 30. augustist 9. septembrini. Kuldlõvile kandideerib 20 filmi, žüriid juhib Catherine Deneuve, elutööpreemia saab David Lynch. Festival algab Brian de Palma filmiga "Must daalia"

  9. DVD. Ilu ei sünni patta panna / Kristiina Davidjants

    Index Scriptorium Estoniae

    Davidjants, Kristiina, 1974-

    2007-01-01

    Lühiarvustus DVDl ilmunud Brian De Palma krimimüsteeriumile "Must daalia" ("The Black Dahlia"; 2006), mis põhineb James Ellroy samanimelisel romaanil, osades Mia Kirsner, Scarlett Johannson, Aaron Eckhart

  10. Diabetes Research Institute Foundation

    Science.gov (United States)

    ... Hope George Lopez DRI Invention Parents Empower Parents Stern Chairman Exenatide Avandia Distinguished Professor Drug Discovery Initiative ... Ph.D. Shari Messinger Cayetano, ME, Ph.D. Daniel H. Mintz, M.D. Bresta Miranda-Palma, M. ...

  11. Telecommunications Policy in the Caribbean: A Case Study of Telecommunications in Jamaica and Cuba

    Science.gov (United States)

    2013-03-01

    2006). .....................49  Figure 16.  Tomas Estrada Palma , Cuba’s first President (From “Cuban Herritage Collection,” 2012) .......55  Figure 17...survives a confidence vote in parliament over the ruling party’s acceptance of a campaign donation from a Netherlands- based oil company. 2007 September...independence (CIA, 2013). Tomas Estrada Palma , who had taken leadership from Jose Marti after his death, became the new leader of the Cuban

  12. Acoustic Detection, Behavior, and Habitat Use of Deep-Diving Odontocetes

    Science.gov (United States)

    2011-09-22

    Final Report Page 2 of 12 130991.00 this work in 2011. Two week-long photo-identification and acoustic monitoring surveys of beaked whales in La Palma ...extended to nearby La Palma island and, with funding from the Canary Is. Government, to most of the Canary Island archipelago via a large-scale acoustic...from ship traffic and oil exploration. An improved understanding of the abundance and habitat of marine mammals and their use of sound will help to

  13. Dicty_cDB: Contig-U15486-1 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available 3 ( AY442211 ) Drosophila subobscura strain Palma-5 A+T rich reg... 34 1.6 3 ( AY442221 ) Drosophila subobs...phila subobscura strain Palma-1 A+T rich reg... 34 1.6 3 ( AY442209 ) Drosophila subobscura strain Hierro-21...h ... 34 1.6 3 ( AY442212 ) Drosophila subobscura strain Barcelona-12 A+T ric... 34 1.6 3 ( AY442210 ) Droso

  14. Sky Glow from Cities: The Army Illumination Model v2

    Science.gov (United States)

    2011-09-01

    corresponding to one 10th magnitude star per square degree and will not be pursued further here). Benn and Ellison find that the sky brightness at La Palma ...not have electricity, liquid and pressurized lamps are 23 included. For these latter two, liquid Citronella, lamp oil , liquid paraffin and...Properties; AFGL-TR-79-0214; Air Force Geophysics Laboratory: Hanscom Air Force Base, MA, 1979. 19. Benn, C. R. and Ellison, S. L. La Palma Night-Sky

  15. Americium-241 Decorporation Model

    Science.gov (United States)

    2014-10-01

    sources when combined with beryllium. Radioactive sources are used for a number of industrial applications that range from oil well logging devices...is any exposure resulting in a 50-year whole-body committed effective dose greater than 200 mSv (Rojas- Palma 2009). Therefore, the model can also...Tracheobronchial geometry: Human, dog, rat, hamster (Report LF-53). Lovelace Foundation, Albuquerque, NM Rojas- Palma C, et al. 2009. TMT Handbook

  16. Engaging Military in Post-War Reconciliation: A Case Study of Implications for the Consolidation of Democracy in Sri Lanka

    Science.gov (United States)

    2013-03-01

    which the democracy has become the only game in town.10 Giuseppe di Palma relates democracy to a game, and views consolidation of democracy as the...Problems of Democratic Transitions and Consolidation, 5. 11 Giuseppe di Palma believes consolidation to be the establishing of rules of the...hospitals, and has some stake in the domestic oil industry, Ibid. 190 Bruneau and Matei, The Routledge Handbook, 26–29. 191 Linz and Stepan

  17. Contribución al Estudio de las Palmetas de Colombia

    Directory of Open Access Journals (Sweden)

    Duque Jaramillo. J. M.

    1940-09-01

    Full Text Available Esta nómina vernacular y científica de la mayor parte de las palmeras de Colombia, indígenas e introducidas, constituye un trabajo destinado a la formación del "Catálogo Vernacular y científico de la Flora Colombiana". En cuanto a palmas se ha consultado para normas científicas la mayor parte de los trabajos originales berlineses del mayor especialista en palmas.

  18. Island effect on diversity, abundance and vegetation structure in the Chocó Region

    Directory of Open Access Journals (Sweden)

    Edier Soto Medina

    2015-12-01

    Full Text Available The aim of this study was to evaluate the effect of island area and isolation on species richness and abundance, and vegetation structure of Isla Palma by comparing these parameters with those of the continental location, Playa Chucheros. By sampling vegetation at each locality using Gentry transects (10 50x2 m we found 204 species of plants at Playa Chucheros, and 103 on Isla Palma. Species richness and abundance of woody plants was higher for Playa Chucheros (472 individuals compared to Isla Palma (349 individuals. Richness estimators indicate that the plant species richness of Playa Chucheros is almost twice as high as that of Isla Palma. Rarefaction curves suggest that Playa Chucheros had a significantly greater richness than Isla Palma. Furthermore, physiognomic parameters were higher for Playa Chucheros than those observed for Isla Palma, showing that the former supports tree vegetation with higher DBH and greater height. These results indicate that the size and isolation of the island is reflected in a diminished richness and vegetation structure, which can be of significant assistance in the development of better conservation strategies for plants and other groups of organisms on islands.

  19. Recuperação de áreas desflorestadas da Amazônia: será pertinente o cultivo da palma de óleo (Dendê? Recovery of deforested areas in Amazonia: would cultivation of oil palm be relevant? Récupération des zones déboisées en Amazonie:la culture du palmier à huile serait-elle une solution?

    Directory of Open Access Journals (Sweden)

    Bertha K. Becker

    2010-01-01

    Full Text Available O artigo discute a pertinência – ou não – de apoiar a expansão da lavoura do dendê na Amazônia, como uma das possibilidades de recuperar áreas desflorestadas e promover o desenvolvimento regional. Responde a três questões: quais as vantagens e quais os riscos associados à lavoura do dendê? Qual a relação entre zoneamento e desenvolvimento na Amazônia? Que desafios devem ser enfrentados como condição para a implementação dessa atividade?L'article discute la pertinence - ou non – d'un appui à l'expansion des plantations de palmiers à huile en Amazonie, une des possibilités pour récupérer les zones déboisées et promouvoir le développement régional. Il répond à trois questions: quels sont les avantages et quels sont les risques associés à la plantation de palmiers à huile? Quelle est la relation entre le zonage et le développement de l'Amazonie? Quels défis doivent être relevés pour permettre la mise en œuvre de cette activité?The article discusses the relevance - or otherwise - to support the expansion of oil palm plantation in the Amazon, one of the possibilities to recover deforested areas and promote regional development. Answers to three questions as sought: what are the advantages and what are the risks associated with oil palm plantation? What is the relationship between zoning and development in the Amazon? Whhat challenges should be addressed as a condition for implementation of this activity?

  20. Caroço de algodão como fonte de fibra e proteína em dietas à base de palma forrageira para vacas em latação: digestibilidade - DOI: 10.4025/actascianimsci.v27i3.1205 Whole cottonseed as fiber and protein source in forage-cactus-based diets for lactating dairy cows: digestibility - DOI: 10.4025/actascianimsci.v27i3.1205

    Directory of Open Access Journals (Sweden)

    Ricardo Alexandre Silva Pessoa

    2005-03-01

    Full Text Available O trabalho teve como objetivo avaliar o efeito de cinco níveis de caroço de algodão (0,00; 6,25; 12,50; 18,75; e 25,00% em substituição parcial ao farelo de soja e silagem de sorgo, sobre a digestibilidade aparente dos nutrientes e absorção aparente de minerais. Cinco vacas da raça Holandesa foram distribuídas em quadrado latino (5X5. A digestibilidade aparente da matéria seca, matéria orgânica, carboidratos totais, carboidratos-não-fibrosos, fibra em detergente neutro e NDT estimado no ensaio de digestibilidade não foram influenciados pelo caroço de algodão (69,25; 69,33; 68,37; 81,42; 49,52; e 70,62%, respectivamente. A digestibilidade aparente da proteína bruta diminuiu e o do extrato etéreo aumentou linearmente com a inclusão do caroço de algodão. A absorção aparente dos minerais não foi influenciada (50,67; 35,7; 91,03; 86,38 e 29,17% para Ca, P, K, Na e Mg, respectivamenteThe aim of this work was to evaluate the effect of five levels of whole cottonseed (0.00; 6.25; 12.50; 18.75; e 25.00% in partial replacement of soybean meal and sorghum silage, on the apparent nutrients digestibility and apparent minerals absorption. Five Holstein cows were assigned in one (5X5 latin square design. The apparent digestibility of dry matter, organic matter, total carbohydrates, nonfiber carbohydrates, neutral detergent fiber and TDN estimated in a digestibility trial was not affected by whole cottonseed levels (69.25; 69.33; 68.37; 81.42; 49.52; 47.29; and 70.62%, respectively. The crude protein apparent digestibility decreased and ether extract apparent digestibility increased linearly by the increase of whole cottonseed. Minerals apparent absorption was not affected by whole cottonseed levels (50.67; 35.7; 91.03; 86.38; and 29.17% for Ca, P, K, Na e Mg, respectively

  1. Plant water use characteristics of five dominant shrub species of the Lower Rio Grande Valley, Texas, USA: implications for shrubland restoration and conservation.

    Science.gov (United States)

    Adhikari, Arjun; White, Joseph D

    2014-01-01

    The biogeographic distribution of plant species is inherently associated with the plasticity of physiological adaptations to environmental variation. For semi-arid shrublands with a legacy of saline soils, characterization of soil water-tolerant shrub species is necessary for habitat restoration given future projection of increased drought magnitude and persistence in these ecosystems. Five dominant native shrub species commonly found in the Lower Rio Grande Valley, TX, USA, were studied, namely Acacia farnesiana, Celtis ehrenbergiana, Forestiera angustifolia, Parkinsonia aculeata and Prosopis glandulosa. To simulate drought conditions, we suspended watering of healthy, greenhouse-grown plants for 4 weeks. Effects of soil salinity were also studied by dosing plants with 10% NaCl solution with suspended watering. For soil water deficit treatment, the soil water potential of P. glandulosa was the highest (-1.20 MPa), followed by A. farnesiana (-4.69 MPa), P. aculeata (-5.39 MPa), F. angustifolia (-6.20 MPa) and C. ehrenbergiana (-10.02 MPa). For the soil salinity treatment, P. glandulosa also had the highest soil water potential value (-1.60 MPa), followed by C. ehrenbergiana (-1.70 MPa), A. farnesiana (-1.84 MPa), P. aculeata (-2.04 MPa) and F. angustifolia (-6.99 MPa). Within the species, only C. ehrenbergiana and F. angustifolia for soil water deficit treatment and A. farnesiana for the salinity treatment had significantly lower soil water potential after 4 weeks of treatment (P water potential, stomatal conductance and net photosynthesis of the species significantly reduced over time for both treatments (P water availability, some species demonstrated limited tolerance for extreme water stress that may be important for management of future shrub diversity in Lower Rio Grande Valley.

  2. Canopy-forming seaweeds in urchin-dominated systems in eastern Canada: structuring forces or simple prey for keystone grazers?

    Directory of Open Access Journals (Sweden)

    Caitlin Blain

    Full Text Available Models of benthic community dynamics for the extensively studied, shallow rocky ecosystems in eastern Canada emphasize kelp-urchin interactions. These models may bias the perception of factors and processes that structure communities, for they largely overlook the possible contribution of other seaweeds to ecosystem resilience. We examined the persistence of the annual, acidic (H2SO4, brown seaweed Desmarestia viridis in urchin barrens at two sites in Newfoundland (Canada throughout an entire growth season (February to October. We also compared changes in epifaunal assemblages in D. viridis and other conspicuous canopy-forming seaweeds, the non-acidic conspecific Desmarestia aculeata and kelp Agarum clathratum. We show that D. viridis can form large canopies within the 2-to-8 m depth range that represent a transient community state termed "Desmarestia bed". The annual resurgence of Desmarestia beds and continuous occurrence of D. aculeata and A. clathratum, create biological structure for major recruitment pulses in invertebrate and fish assemblages (e.g. from quasi-absent gastropods to >150,000 recruits kg(-1 D. viridis. Many of these pulses phase with temperature-driven mass release of acid to the environment and die-off in D. viridis. We demonstrate experimentally that the chemical makeup of D. viridis and A. clathratum helps retard urchin grazing compared to D. aculeata and the highly consumed kelp Alaria esculenta. In light of our findings and related studies, we propose fundamental changes to the study of community shifts in shallow, rocky ecosystems in eastern Canada. In particular, we advocate the need to regard certain canopy-forming seaweeds as structuring forces interfering with top-down processes, rather than simple prey for keystone grazers. We also propose a novel, empirical model of ecological interactions for D. viridis. Overall, our study underscores the importance of studying organisms together with cross-scale environmental

  3. Phytoremediation potential of some halophytic species for soil salinity.

    Science.gov (United States)

    Devi, S; Nandwal, A S; Angrish, R; Arya, S S; Kumar, N; Sharma, S K

    2016-01-01

    Phytoremediation potential of six halophytic species i.e. Suaeda nudiflora, Suaeda fruticosa, Portulaca oleracea, Atriplex lentiformis, Parkinsonia aculeata and Xanthium strumarium was assessed under screen house conditions. Plants were raised at 8.0, 12.0, 16.0, and 20.0 dSm(-1) of chloride-dominated salinity. The control plants were irrigated with canal water. Sampling was done at vegetative stage (60-75 DAS). About 95 percent seed germination occurred up to 12 dSm(-1) and thereafter declined slightly. Mean plant height and dry weight plant(-1) were significantly decreased from 48.71 to 32.44 cm and from 1.73 to 0.61g plant(-1) respectively upon salinization. Na(+)/K(+) ratio (0.87 to 2.72), Na(+)/ Ca(2+) + Mg(2+) (0.48 to 1.54) and Cl(-)/SO4(2-) (0.94 to 5.04) ratio showed increasing trend. Salinity susceptibility index was found minimum in Suaeda fruticosa (0.72) and maximum in Parkinsonia aculeata (1.17). Total ionic content also declined and magnitude of decline varied from 8.51 to 18.91% at 8 dSm(-1) and 1.85 to 7.12% at 20 dSm(-1) of salinity. On the basis of phytoremediation potential Suaeda fruticosa (1170.02 mg plant(-1)), Atriplex lentiformis (777.87 mg plant(-1)) were the best salt hyperaccumulator plants whereas Xanthium strumarium (349.61 mg plant(-1)) and Parkinsonia aculeata (310.59 mg plant(-1)) were the least hyperaccumulator plants.

  4. De plantis vascularibus praesertim ibericis (IV

    Directory of Open Access Journals (Sweden)

    PEDROL, J., YERA, J., ASCASO, J.

    2002-01-01

    Full Text Available Se aportan algunas novedades florísticas y comentarios corológicos relativos a la zona central del Valle del Ebro (Huesca, Lérida y Zaragoza en España. Destacamos : Achillea filipendulina, Aegilops neglecta, Bbidens aurea, B. fondosa, Centaurea depressa, Chamaemelum nobile, Crypsis aculeata, Cyperus michelianus subsp. michelianus, C. serotinus, Heteranthera reniformis, Mantisalca duriaei, Pulicaria paludosa, Ranunculus sardous, Reichardia intermedia, Scirpus lacustris subsp. lacustris, S. mucronatus, S. supinus, seneciio lagascanus, Sonchus x novocastellanus y Valerianella eriocarpa.

  5. ASTRO 850: Teaching Teachers about Exoplanets

    Science.gov (United States)

    Barringer, Daniel; Palma, Christopher

    2017-01-01

    The Earth and Space Science Partnership (ESSP) is a collaboration among Penn State scientists, science educators and seven school districts across Pennsylvania. Penn State also offers through its fully online World Campus the opportunity for In-Service science teachers to earn an M.Ed. degree in Earth Science, and we currently offer a required online astronomy course for that program. We have previously presented descriptions of how have incorporated research-based pedagogical practices into ESSP-sponsored workshops for in-service teachers (Palma et al. 2013), a pilot section of introductory astronomy for non-science majors (Palma et al. 2014), and into the design of an online elective course on exoplanets for the M.Ed. in Earth Science (Barringer and Palma, 2016). Here, we present the finished version of that exoplanet course, ASTRO 850. We gratefully acknowledge support from the NSF MSP program award DUE#0962792.

  6. Concentration of Naegleria fowleri in natural waters used for recreational purposes in Sonora, Mexico (November 2007-October 2008).

    Science.gov (United States)

    Lares-Villa, Fernando; Hernández-Peña, Claudia

    2010-09-01

    A survey was designed to know the concentration of Naegleria fowleri in recreational areas in Hornos, Sonora, during a year. Samples were taken monthly at La Isleta and Las Palmas and the total amoeba counts were obtained by the most probable number method (MPN). The identification of N. fowleri was made by PCR. The maximum concentration of total thermophilic amoebae was 9175 MPN/L for La Isleta and 3477 MPN/L for Las Palmas. Thermophilic Naegleria were present mainly during summer and fall. October's concentrations were up to 201 MPN/L, at both places. The maximum concentrations of N. fowleri were 201 MPN/L and 18 MPN/L for La Isleta and Las Palmas respectively, and were isolated from August to October. The presence of N. fowleri in these particular natural bodies of water reinforces the need for adaptation of preventive measures to avoid cases of primary amoebic meningoencephalitis.

  7. Biodièsel : impacte en origen del biodièsel consumit a Catalunya i a Espanya

    OpenAIRE

    Figueras Alsius, Mireia; Ramos Martín, Jesús

    2012-01-01

    Actualment la situació del mercat espanyol i català del biodièsel es caracteritza per les grans importacions d'oli de palma africana. Per a produir aquesta matèria primera s'estan establint plantacions a gran escala d'Elaeis guineensis (palma africana) a Indonèsia. El monocultiu d'Elaeis guineensis i la producció de l'oli tenen associats grans impactes ambientals i socials. Per una banda, els impactes ambientals són principalment la desforestació, el canvi d'ús del sòl, la pèrdua de biodivers...

  8. Diaspididae (Hemiptera, Coccoidea in sori of two fern species

    Directory of Open Access Journals (Sweden)

    Marcelo Santos

    2015-12-01

    Duas Espécies de Cochonilhas (Hemiptera: Diaspididae Associadas com Soros de Samambaias Resumo. A presente comunicação relata a presença de duas espécies de cochonilhas Hemiberlesia palmae (Cockerell e Pinnaspis strachani (Cooley (Coccoidea, Diaspididae, associadas respectivamente com Asplenium serratum L. (Aspleniaceae e Niphidium crassifolium (L. Lellinger (Polypodiaceae. É o primeiro registro de uma samambaia como planta hospedeira de Hemiberlesia palmae.  Nas duas espécies de samambaias, os diaspidídeos encontravam-se concentrados principalmente ao redor dos soros.

  9. “Bio” combustibles o el mito del oro verde ¿Política ambiental, “exportación de naturaleza”, o etnocidio?

    OpenAIRE

    Anne-Lise Naizot

    2013-01-01

    El término “biocombustible” se refiere en su aceptación general a los combustibles que pueden ser obtenidos a partir de biomasa, de leña, y de más de 14 variedades de cultivos (caña de azúcar, soya, palma aceitera, ricino, maíz, colza, girasol, sorgo, trigo, mandioca, etc.). Los dos “biocombustibles”, “bio”etanol y “bio”diesel, son obtenidos, respectivamente, por fermentación de productos ricos en azúcares, almidones o celulosas (bioetanol) y de aceites vegetales como la palma africana, giras...

  10. Drug Trafficking within Mexico: A Law Enforcement Issue or Insurgency?

    Science.gov (United States)

    2011-06-10

    accessed 17 October 2010). 6Jack Bauer ―The Battles on the Rio Grande: Palo Alto and Resaca de la Palma , 8- 9 May 1846,‖ in America’s First Battles...Resaca de la Palma ,‖4 The U.S. Government responded to the Mexican assault by launching, ―an amphibious assault into the heartland of central Mexico... oil , and mineral industries, to survey and develop the land. In 1883 a new land law was enacted by the Mexican government that was designed for the

  11. Macrofaunal community structure in the western Indian continental margin including the oxygen minimum zone

    Digital Repository Service at National Institute of Oceanography (India)

    Ingole, B.S.; Sautya, S.; Sivadas, S.; Singh, R.; Nanajkar, M.

     edited version of this paper was published by Blackwell Verlag GmbH. Copyright [2010]  2 Problem In the past few decades, considerable attention has been given to the study of continental margin biodiversity (Flach & Thomsen 1998; Tselepides et al. 2000; Palma et al. 2005). The continental margin, extending from the sublittoral... Concepecion (Palma et al. 2005). In addition, one particular morphological adaptation of this species, an expanded branchial structure has been observed only in the OMZ settings, specifically at the lowest level of oxygen concentration on the upper slope...

  12. Pigment and amylase production in Penicillium sp NIOM-02 and its radical scavenging activity

    Digital Repository Service at National Institute of Oceanography (India)

    Dhale, M.A.; VijayRaj, A.S.

    and Singh 1995). During solid-state fermentation P. restrictum produced amylase, lipase and protease on basal medium of industrial waste of babassu oil (Palma et al., 2006). A high maltose producing amylase was secreted from P. expansum (Doyle et al..., 17, 770-778. Ogihara, J. & Oishi, K. (2002). Effect of ammonium nitrate on the production of PP-V and monascorubrin homologues by Penicillium sp. AZ. Journal of Bioscience and Bioengineering, 93, 54-59. Palma, M.B., Pinto, A.L., Gombert, A...

  13. Comparative analysis of the impact of geological activity on astronomical sites of the Canary Islands, Hawaii and Chile

    CERN Document Server

    Eff-Darwich, A; Rodriguez-Losada, J A; de la Nuez, J; Hernandez-Gutierrez, L E; Romero-Ruiz, M C

    2009-01-01

    An analysis of the impact of seismic and volcanic activity was carried out at selected astronomical sites, namely the observatories of El Teide (Tenerife, Canary Islands), Roque de los Muchachos (La Palma, Canary Islands), Mauna Kea (Hawaii) and Paranal (Chile) and the candidate site of Cerro Ventarrones (Chile). Hazard associated to volcanic activity is low or negligible at all sites, whereas seismic hazard is very high in Chile and Hawaii. The lowest geological hazard in both seismic and volcanic activity was found at Roque de los Muchachos observatory, in the island of La Palma.

  14. Plasma lipids and prothrombin time in rats fed palm oil and other commonly used fats in Egypt

    Directory of Open Access Journals (Sweden)

    Hussein, Mona M.

    1993-02-01

    Full Text Available Sprague-Dawley rats were fed for a total period of 8 weeks on six diets that were different in the source of their fat content. The fat content was provided either, palm oil or palm olein or corn oil or hydrogenated fat, or frying palm oil and mixture of corn oil + hydrogenated fat in the ratio (1:1. The latter was given to the control group. Animals fed these various experimental diets showed statistically significant differences in serum cholesterol and serum triglycerides content among all group. Increased HDL-cholesterol content was evident in animals fed on palm-olein and palm oil. The frying oil fed group showed lowest HDL-cholesterol content. In these experiments palm olein fed animals showed highest ratio of HDL-cholesterol to total cholesterol while the lowest ratio was shown in rats fed on frying oil. Prothrombin (PT and activated partial thromboplastin time (PTT showed higher values In palm oil, palm olein and corn oil diets as compared to all groups with each other.

    Ratas Sprague-Dawley fueron alimentadas durante un periodo total de 8 semanas con seis dietas diferentes en su contenido graso. El contenido graso fue proporcionado por aceite de palma u oleína de palma o aceite de maíz o grasa hidrogenada o aceite de palma de fritura y mezcla de aceite de maíz + grasa hidrogenada en la relación (1:1. El último fue dado al grupo de control. Los animales alimentados con las diferentes dietas experimentales mostraron diferencias significativas estadísticamente en el contenido en colesterol y triglicéridos en suero entre todos los grupos. El aumento en contenido HDL-colesterol fue evidente en animales alimentados con oleína de palma y aceite de palma. El grupo alimentado con aceite de fritura mostró el más bajo contenido en HDL-colesterol. En estos experimentos, los animales alimentados con oleína de palma mostraron la mayor relación de HDL-colesterol a colesterol total, mientras que la relación más baja fue mostrada

  15. Desarrollo de metodologías de extracción y microextracción combinadas con sistemas cromatográficos para la determinación de fármacos y productos de cuidado personal en muestras ambientales

    OpenAIRE

    Montesdeoca-Esponda, Sarah

    2013-01-01

    Programa de doctorado en oceanografía Departamento de Química Tesis europea Presidente del tribunal Arsenio Muñoz de la Peña Castrillo (Universidad de Extremadura), como Secretario, Argimiro Rivero Rosales (Universidad de Las Palmas de Gran Canaria) y como vocales, Jose Luis Eiroa Martínez (Universidad de Las Palmas de Gran Canaria), Stefano Girotti (Universidad de Bolonia, Italia) y Soledad Rubio Soledad Rubio Bravo (Universidad de Córdoba) Premio Extraordinario de Doctorado. Ram...

  16. PISA Y LA EVALUACIÓN. ESPEJO O ALIMENTO —NOTAS AL MARGEN—

    Directory of Open Access Journals (Sweden)

    Ramiro Fernández Mayo

    2010-05-01

    Full Text Available From the 23rd to the 26th of November, it took place in La Palma the International Symposium PISA under Examination -a change in knowledge, a change in tests and a change in schools-. The author, who took part in the symposium, describes and extracts conclusions from the long and fruitful talks among the most credited specialists who came from all over the world and attended the symposium by courtesy of CESE -Comparative Education Society in Europe- and its Chairman, Mr Miguel A. Pereyra, a La Palma native-born citizen.

  17. Biomass production of Prosopis species (mesquite), Leucaena, and other leguminous trees grown under heat/drought stress

    Energy Technology Data Exchange (ETDEWEB)

    Felker, P.; Cannell, G.H.; Clark, P.R.; Osborn, J.F.; Nash, P.

    1983-09-01

    Leguminous trees were examined for use of hot/arid lands in field trials in the California Imperial Valley where July daily maximum temperatures are 42 degrees C (108 degrees F). Two field trials were carried out to rank 55 accessions in biomass per tree and to evaluate biomass production per unit area with four of the more productive accessions identified in earlier trials. The trial with 55 accessions compared Prosopis (mesquite) to widely recommended species for arid lands such as Leucaena leucocephala (K-8), Parkinsonia aculeata, and Prosopis tamarugo and to other drought adapted tree legume species of California/Arizona deserts such as Cercidium floridium and Olneya tesota. Prosopis selections were identified that had greater productivity than either Leucaena leucocephala (K-8) or Parkinsonia aculeata. The mean oven-dry biomass per accession ranged from 0.2 kg/tree for Prosospis tamarugo to 29 kg/tree for P. alba (0166) when measured 2 years from germination in the greenhouse. Clones were obtained from trees in this trial which had 45-56 kg/tree (oven-dry) in two seasons. The plots designed to measure biomass production per unit area were on a 1.5 m spacing and had productivities of 7, 11.2, 14.3, and 14.5 oven-dry T ha-1 yr-1 for P. glandulosa var torreyana (0001), P. alba (0163), P. chilensis (0009), and P. alba(0039), respectively, when measured 2 years from germination in the greenhouse. 30 references

  18. Biomass production of Prosopis species (mesquite), leucaena, and other leguminous trees grown under heat/drought stress

    Energy Technology Data Exchange (ETDEWEB)

    Felker, P.; Cannell, G.H.; Clark, P.R.; Osborn, J.F.; Nash, P.

    1983-01-01

    Leguminous trees were examined for use on hot/arid lands in field trials in the Califronia Imperial Valley where July daily maximum temperatures are 42/sup 0/C (108/sup 0/F). Two field trials were carried out to rank 55 accessions in biomass per tree and to evaluate biomass production per unit area with four of the more productive accessions identified in earlier trials. The trial with 55 accessions compared Prosopis (mesquite) to widely recommended species for arid lands such as Leucaena leucocephala (K-8), Parkinsonia aculeata, and Prosopis tamarugo and to other drought adapted tree legume species of California/Arizona deserts such as Cercidium fluoridium and Olneya tesota. Prosopis selections were identified that had greater productivity than either Leucaena leucocephala (K-8) or Parkinsonia aculeata. The mean ovendry biomass per accession ranged from 0.2 kg/tree for Prosopis tamarugo to 29 kg/tree for P. alba (0166) when measured 2 years from germination in the greenhouse. Clones were obtained from trees in this trial which had 45-56 kg/tree (ovendry) in two seasons. The plots designed to measure biomass production per unit area were on a 1.5 m spacing and had productivities of 7, 11.2, 14.3, and 14.5 ovendry T ha/sup -1/ yr/sup -1/ for P. glandulosa var torreyana (0001), P. alba (0163), P. chilensis (0009), and P. alba (0039), respectively, when measured 2 years from germination in the greenhouse.

  19. Tracing back the nascence of a new sex-determination pathway to the ancestor of bees and ants.

    Science.gov (United States)

    Schmieder, Sandra; Colinet, Dominique; Poirié, Marylène

    2012-06-12

    In several Hymenoptera, sexual fate is determined by the allelic composition at the complementary sex-determiner locus, a sex-determination mechanism that can strongly affect population dynamics. To date, the molecular identification of complementary sex determiner has only been achieved in the honeybee, where the complementary sex-determiner gene was reported to have arisen from duplication of the feminizer gene. Strikingly, the complementary sex-determiner gene was also proposed to be unique to the honeybee lineage. Here we identify feminizer and complementary sex-determiner orthologues in bumble bees and ants. We further demonstrate that the duplication of feminizer that produced complementary sex determiner occurred before the divergence of Aculeata species (~120 Myr ago). Finally, we provide evidence that the two genes evolved concertedly through gene conversion, complementary sex-determiner evolution being additionally shaped by mosaic patterns of selection. Thus, the complementary sex-determiner gene likely represents the molecular basis for single locus-complementary sex determination in the Aculeata infra-order, and possibly, in the entire Hymenoptera order.

  20. Diversity of planktonic Ostracods (Crustacea: Ostracoda in the mixed layer of northeastern Arabian Sea during the summer monsoon

    Directory of Open Access Journals (Sweden)

    Jasmine Purushothaman

    2015-03-01

    Full Text Available Planktonic ostracods contribute significantly to the biomass of zooplankton in the Arabian Sea with an unusually high density due to swarming.  However, due to the small size, their abundance is often underestimated.  In this paper, the diversity of planktonic ostracods in the mixed layer depth of the northeastern Arabian Sea in relation to environmental parameters during the summer monsoon is presented.  The mean abundance in the mixed layer depth was very high.  About 26 species belonging to 17 genera representing two families were recognized.  Out of this, 25 species belonged to (3 sub families, 16 genera the order Myodocopa and one to the order Myodocopida.  The dominant species were Cypridina dentata, Euconchoecia aculeata, Conchoecia subarcuata and Orthoconchoecia atlantica.  Cypridina dentata and Euconchoecia aculeata contributed to about 89% of the total abundance.  The results suggest that the distribution and diversity of ostracods were very much influenced by the hydrographic conditions of the Arabian Sea during the summer monsoon.