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Sample records for campo magnetico residual

  1. Residual magnetic field in rotary machines; Campo magnetico residual en maquinas rotatorias

    Energy Technology Data Exchange (ETDEWEB)

    Gonzalez V, Esteban A; Apanco R, Marcelino [Instituto de Investigaciones Electricas, Cuernavaca, Morelos (Mexico)

    2007-07-01

    The residual magnetism is a phenomenon in which the magnetic dipoles of a substance are oriented in a certain degree. On the other hand, when internal forces exist capable of aligning elementary magnetic dipoles of a material, a permanent magnet is obtained. Just as in a conductor or in a material, in the elements of a rotary electrical machine magnetic fields can be induced that produce a residual magnetism or magnetization. In the rotary electrical machines, the magnetization phenomenon causes serious problems, such as the generation of induced currents that propitiate the mechanical wear in bearings, collars, trunnions and inclusive in the shaft, by effects known as pitting, frosting and spark tracks, as well as erroneous readings in vibration and temperature sensors, that in some cases can cause the shut down of the machine. In this article are presented the general concepts on the residual magnetism in rotary electrical machines, the causes that originate it and the problems that arises, as well as the demagnetization of the components that have residual magnetic field. The results obtained by the area of Electrical Equipment of the Instituto de Investigaciones Electricas are revised, during the execution of activities related to the measurement and elimination of the residual magnetic field in rotary electrical machines. [Spanish] El magnetismo residual es un fenomeno en el que los dipolos magneticos de una sustancia se encuentran orientados en un grado determinado. Por otro lado, cuando existen fuerzas internas capaces de alinear los dipolos magneticos elementales de un material, se tiene un iman permanente. Al igual que en un conductor o un material, en los elementos de una maquina electrica rotatoria se pueden inducir campos magneticos que producen un magnetismo residual o magnetizacion. En las maquinas electricas rotatorias, el fenomeno de magnetizacion causa graves problemas, como la generacion de corrientes inducidas que propician el desgaste mecanico

  2. The potential flow in presence of a magnetic field; El flujo potencial en presencia de un campo magnetico

    Energy Technology Data Exchange (ETDEWEB)

    Fierros Palacios, Angel [Instituto de Investigaciones Electricas, Temixco, Morelos (Mexico)

    2001-02-01

    From the Lagrangian formalism as in classical field theory, the partial differential field equations for the propagation of a small perturbation in a continuous and homogeneous conducting media in a magnetic field is obtained. The specific Lagrangian is calculated and it is shown that the equation of motion is the wave equation. Finally, the law of energy conservation is obtained. [Spanish] A partir de un formalismo lagrangiano, como el de la teoria clasica de campos, se obtienen las ecuaciones diferenciales de campo para la propagacion de un pequeno disturbio en un medio conductor continuo y homogeneo que se mueve en presencia de un campo magnetico uniforme. Usando el mismo marco teorico se obtiene la ecuacion de balance de energia. Se calcula la lagrangiana especifica y se demuestra que la ecuacion de movimiento es la ecuacion en onda. Ademas, se obtiene la correspondiente ley de la conservacion de la energia.

  3. Biological effects from a static magnetic field generated by a 0.5 T Magnetic Resonance system on the enzyme activity of catalase and creatin kinase in rodents; Effetti biologici del campo magnetico statico di un tomografo a Risonanza Magnetica da 0,5 T sull'attivita' enzimatica della catalasi e della creatinchinasi nel ratto

    Energy Technology Data Exchange (ETDEWEB)

    Salerno, S. [Ist. di Radiologia P. Cignolini, Palermo (Italy); Ciaccio, M.; Bono, A. [Palermo Univ. (Italy). Ist. di Chimica Biologica; Lo Casto, A. [Consiglio Nazionale delle Ricerche, Palermo (Italy). Ist. per lo Studio di Metodologie Diagnostiche Avanzate; De Maria, M.; Lagalla, R.; Cardinale, A.E.

    1999-03-01

    The authors investigated possible alterations in the enzyme activity of catalase and isozyme MB-creatin kinase induced by prolonged exposure of laboratory rodents to a static magnetic field generated by a 0.5 T Magnetic Resonance unit. The results seems to exclude any alterations in the activity of catalase and MB-CK after exposure. However some homeostatic mechanism peculiar to multi cellular organisms might act 'in vivo' to adapt to the effects of the static magnetic field during exposure. [Italian] Scopo del presente lavoro e' indagere l'eventuale verificarsi di alterazioni dell'attivita' enzimatica della catalasi e dell'isoenzima MB della creatinchinasi, indotte dalla prolungata esposizione di animali da laboratorio al campo magnetico statico generato da un Tomografo a Risonanza Magnetica (RM) da 0,5 T. I risultati del lavoro porterebbero a escludere alterazioni dell'attivita' della catalasi e della MB-creatinchinasi conseguenti all'esposizione. Occorre tuttavia rilevare che 'in vivo' possono agire alcuni meccanismo omeospatici, peculiari degli organismi pluricellulari, di adattamento agli effetti dei campi magnetici, che potrebbero essere intervenuti durante l'esposizione.

  4. Dirac e il monopolo magnetico

    CERN Document Server

    Aloisi, A M

    2016-01-01

    In 1931, Dirac advanced a startling prediction about the existence of a new elementary particle, characterized by a magnetic charge of a single polarity: the magnetic monopole. This prediction, that was not based on experimental reasons but on mathematical consistency considerations and the generalization of the formalism of quantum mechanics, illustrates emblematically the Dirac conception of the relationship between physics and mathematics. ----- Nel 1931 Dirac avanz\\`o una sorprendente previsione circa l'esistenza di una nuova particella elementare, caratterizzata da una carica magnetica di un'unica polarit\\`a: il monopolo magnetico. Questa previsione, che non era fondata su ragioni sperimentali ma su considerazioni di consistenza matematica e sulla generalizzazione del formalismo della meccanica quantistica, illustra emblematicamente la concezione di Dirac del rapporto tra fisica e matematica.

  5. IL CAMPO GEOMAGNETICO

    Directory of Open Access Journals (Sweden)

    F. MOLINA

    1972-06-01

    Full Text Available Questo lavoro non è un trattato sul campo geomagnetico e nemmeno
    una rassegna sull'argomento, almeno nel significato che normalmente
    si attribuisce al termine « rassegna »; esso è semplicemente
    un tentativo di condensare in termini comprensibili agli studiosi non
    specializzati ciò che oggi si sa o si ipotizza sul magnetismo terrestre
    e sulle sue cause. Chi scrive si è sempre trovato a disagio di fronte
    alle richieste di una spiegazione sull'origine del campo magnetico
    terrestre: o si cerca di cavarsela con poche parole (« si tratta di correnti
    elettriche indotte nell'interno della Terra » che possono forse accontentare
    chi non si occupa in modo particolare di problemi scientifici
    ma non possono soddisfare un fisico, oppure ci si sente obbligati a
    tentare faticosamente di approfondire, sia per capirli personalmente
    che per poterli poi spiegare agli altri, argomenti e ragionamenti che
    sono in realtà accessibili solo a un fisico teorico ben preparato. Apparentemente
    non esiste una via di mezzo, come del resto in molti altri
    campi della fisica contemporanea.
    La presente monografia rappresenta appunto il tentativo di trovare
    questa via di mezzo: nel terzo capitolo, dedicato alle teorie sull'origine
    del campo geomagnetico, si cerca di descrivere qualitativamente
    i principali processi fisici proposti come sorgenti del campo,
    dopo un accenno ai fondamenti fisici e matematici sui quali sono state
    elaborate le varie teorie. Senza farmi soverchie illusioni di essere riuscito
    nell'intento, mi dichiarerei tuttavia soddisfatto se questo lavoro
    destasse sull'argomento l'interesse di qualche giovane ricercatore, incoraggiandolo
    ad un approfondimento.

  6. Characterization of residual soils of the region of Campos dos Goytacazes, RJ, Brazil, slip for use in artistic ceramics

    International Nuclear Information System (INIS)

    This work was conducted in the city of Campos dos Goytacazes/RJ, in which four residual soils collected in the region were technologically characterized. We sought to determine their properties, such as analysis of the colors after firing, aiming at its use in ceramic art. To this end the tests were conducted in the laboratories of the Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF) and that are granulometry (by sieving and sedimentation), specific mass of grains, chemical analysis by X-ray fluorescence, diffraction mineralogical identification X-ray, differential thermal analysis and thermogravimetry. The soils were analyzed before drying at 110 deg C and after burning the different temperatures (500 deg C 750 deg C and 950 deg C). The analyzed results showed the physical composition, chemical and mineralogical of raw material. After burning was possible to observe several color variations. (author)

  7. Project and analysis of the toroidal magnetic field production circuits and the plasma formation of the ETE (Spherical Tokamak Experiment) tokamak; Projeto e analise dos circuitos de producao de campo magnetico toroidal e de formacao do plasma do Tokamak ETE (Experimento Tokamak Esferico)

    Energy Technology Data Exchange (ETDEWEB)

    Barbosa, Luis Filipe F.P.W.; Bosco, Edson del

    1994-12-31

    This report presents the project and analysis of the circuit for production of the toroidal magnetic field in the Tokamak ETE (Spherical Tokamak Experiment). The ETE is a Tokamak with a small-aspect-ratio parameter to be used for studying the plasma physics for the research on thermonuclear fusion. This machine is being constructed at the Laboratorio Associado de Plasma (LAP) of the Instituto Nacional de Pesquisas Espaciais (INPE) in Sao Jose dos Campos, SP, Brazil. (author). 20 refs., 39 figs., 4 tabs.

  8. Recycled residues: a new frontier to the citizenship; Residuos reciclaveis na Bacia de Campos: uma nova fronteira para a cidadania

    Energy Technology Data Exchange (ETDEWEB)

    Cunha, Joao Guilherme Ribeiro da [PETROBRAS, Rio de Janeiro, RJ (Brazil). CEMPRE - Compromisso Empresarial para Reciclagem

    2004-07-01

    The Selective Collection Program of the Campos Basin, implanted in May 1996, aims to devote adequately the recyclable waste generated at the site of PETROBRAS in the Campos Basin and the rescue environmental awareness with the practice of not wasting materials classified as recyclable. It is always to remember that education is the basis for everything and that the results of investments in environmental education be perceived slow, and takes time and perseverance. The structure of the Selective Collection Program consists of the separation of waste at source, transportation, segregation, storage and appropriate final destination. The PETROBRAS has important role in this context, reinforcing its compromise to quality of local communities life with social and environmental responsibility. (author)

  9. Hypersensitivity test to electric magnetic fields; Test de hipersensibilidad a exposiciones residenciales a campos magneticos

    Energy Technology Data Exchange (ETDEWEB)

    Ubeda Maeso, A.; Martinez Pascual, M. A.

    2004-07-01

    The so-called electromagnetic hypersensitivity (RH) syndrome includes a number of unspecific, medically unexplained symptoms attributed to exposure to electric and magnetic fields. As a whole, laboratory tests have provided inconclusive results, in part due to the fact that many individuals show nuclear, inconsistent responses to repeated experimental field-exposures. It has been proposed that such inconsistencies could be due in part to distress caused by the lab test itself. We have developed a test to be conducted at the patient's residence, allowing for long-term follow up of exposure-response assessment and avoiding the laboratory environment and the presence of the researcher as potential stressors and confounding factors. In a pilot test, EMDEX-II magnetometers were used to continuously recording power-frequency magnetic fields in the residence of a patient with perceived EH. The patient's symptoms included distress, headache and dizziness, among other ailments. Magnetographic data of a total of 123 recording days were plotted against the corresponding data on occurrence of the symptoms episodes. As a whole, the results did not show positive linear correlation between the daily occurrence of the episode and the exposures levels recorded during the day or during the day before. These preliminary results are little supportive of the hypothesis that the patient's ailments are caused or worsened by a putative hypersensitivity to residential exposure to power-frequency magnetic fields in the 0.02-4.00 {mu}T range. (Author) 29 refs.

  10. Sazonalidade e potencial energético da biomassa residual agrícola na região dos Campos Gerais do Paraná

    Directory of Open Access Journals (Sweden)

    Letícia de Pierri

    2016-04-01

    Full Text Available RESUMO Teve-se por objetivo, neste trabalho, avaliar as disponibilidades sazonal e espacial da biomassa residual da colheita das principais culturas de grãos, na região dos Campos Gerais, PR, estimar o potencial teórico de produção de energia elétrica a partir desses resíduos, bem como identificar os municípios da região com maior potencial para instalação de termelétricas movidas a biomassa. Dados de produtividade de milho, soja, trigo, cevada, aveia branca e aveia preta foram obtidos, na Secretaria de Agricultura do Paraná, para as safras 2008/2009 e 2009/2010 e, a partir do índice e do calendário de colheitas, estimou-se a produção e sazonalidade da biomassa residual das culturas analisadas. Foram coletadas amostras de biomassa destas espécies e determinou-se o poder calorífico superior (PCS e o potencial teórico de produção de energia elétrica a partir dos resíduos quantificados. Os Campos Gerais do Paraná produziram 3.862.130 (2008/2009 e 4.107.932 Mg ha−1 (2009/2010 de biomassa residual total com o cultivo das seis culturas. A disponibilidade de biomassa concentra-se em março e abril (aproximadamente 60%, sendo inexpressiva em dezembro, janeiro e entre junho e agosto. A biomassa residual da colheita de grãos apresentou PCS comparável ao de espécies florestais e potencial total de produção de energia de 3.932 (2008/2009 e 4.185 GWh ano−1 (2009/2010. Dos municípios analisados, Tibagi e Castro são os mais promissores para a instalação de termelétricas movidas a biomassa, por apresentarem maior produção e melhor distribuição sazonal dos resíduos.

  11. Carbon balance and crop residue management in dynamic equilibrium under a no-till system in Campos Gerais

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    Ademir de Oliveira Ferreira

    2012-11-01

    Full Text Available The adoption of no-tillage systems (NT and the maintenance of crop residues on the soil surface result in the long-term increase of carbon (C in the system, promoting C sequestration and reducing C-CO2 emissions to the atmosphere. The purpose of this study was to evaluate the C sequestration rate and the minimum amount of crop residues required to maintain the dynamic C equilibrium (dC/dt = 0 of two soils (Typic Hapludox with different textural classes. The experiment was arranged in a 2 x 2 x 2 randomized block factorial design. The following factors were analyzed: (a two soil types: Typic Hapludox (Oxisol with medium texture (LVTM and Oxisol with clay texture (LVTA, (b two sampling layers (0-5 and 5-20 cm, and (c two sampling periods (P1 - October 2007; P2 - September 2008. Samples were collected from fields under a long-term (20 years NT system with the following crop rotations: wheat/soybean/black oat + vetch/maize (LVTM and wheat/maize/black oat + vetch/soybean (LVTA. The annual C sequestration rates were 0.83 and 0.76 Mg ha-1 for LVTM and LVTA, respectively. The estimates of the minimum amount of crop residues required to maintain a dynamic equilibrium (dC/dt = 0 were 7.13 and 6.53 Mg ha-1 year-1 for LVTM and LVTA, respectively. The C conversion rate in both studied soils was lower than that reported in other studies in the region, resulting in a greater amount of crop residues left on the soil surface.

  12. Cultivo de Chlorella vulgaris sobre residual de soja con la aplicación de un campo magnético

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    Liliana Gómez Luna

    2012-06-01

    Full Text Available Título en inglés: Normal 0 21 false false false ES-CO X-NONE X-NONE Culture of Chlorella vulgaris using soy waste and applying a magnetic field Cultivo de C. vulgaris con soja y CMChlorella ha ocupado la atención de los biotecnólogos al ser una importante fuente de biomasa para la producción de metabolitos de interés químico farmacéutico e industrial; sin embargo, el manejo de cultivos a gran escala sigue siendo un proceso que necesita economizarse, a partir de alternativas viables. Este trabajo presenta un estudio exploratorio en el que se evaluó la viabilidad del uso del residual de la línea de ablandamiento del grano de soya, como medio de cultivo para la microalga Chlorella vulgaris, obteniéndose excelentes valores de densidad celular máxima (Kmáx: 360 x 106 cél.mL-1. Posteriormente se evalúan los efectos de la aplicación de un campo magnético (CM de 0.03T, obteniéndose densidades celulares máximas en un menor tiempo de cultivo, lo que puede constituir un fundamento esencial para una nueva metodología de cultivo. La calidad de la biomasa de C. vulgaris se evalúa desde el punto de vista bioquímico, lo que permite determinar la concentración de proteínas, carbohidratos y lípidos en la fase exponencial, cuya acumulación se ve favorecida dependiendo del protocolo de aplicación del CM, mientras que la concentración de lípidos es máxima si el CM es aplicado en la fase estacionaria, variando desde 1.70 ±0.02 hasta 3.48 ±0.03 pg cél; lo que constituiría una ventaja para el manejo de cultivos comerciales de esta microalga que depende de su destino. Palabras clave: imán de neodimio, pigmentos, nitrógeno, biomasa, microalga.  ABSTRACT Chlorella has occupied the attention of biotechnologists to be an important source of biomass for the production of metabolites with a pharmaceutical, industrial and chemical interest; however, managing large-scale cultures, remains a process that needs to find alternatives become

  13. Decontamination of contaminated oils with radio nuclides using magnetic fields; Descontaminacion de aceites contaminados con radionuclidos utilizando campos magneticos

    Energy Technology Data Exchange (ETDEWEB)

    Gutierrez R, C. E.

    2011-07-01

    The present work is focused in to find a solution to the wastes treatment that are generated during the maintenance to the nuclear power industry, the specify case of the contaminated oils with radio nuclides, for this purpose was necessary to make a meticulous characterization of the oils before the treatment proposal using advanced techniques, being determined the activity of them, as well as their physical-chemical characteristics. By means of the developed procedure that combines the use of magnetic fields and filtration to remove the contaminated material with radioactive particles, is possible to diminish the activity of the oils from values that oscillate between 6,00 and 10,00 up to 0,00 to 0,0003 Bq/ml. The decontamination factor of the process is of 99.00%. The proposal of the necessary technology for to decontaminate the oils is also made and is carried out the economic analysis based on the reuse of these, as well as the calculation of the avoided damages. (Author)

  14. Would be the photon a composed particle? / Sobre a possibilidade da quantiza\\c{c}\\~ao dos fluxos de campo na radia\\c{c}\\~ao eletromagn\\'etica

    CERN Document Server

    Duarte, Celso de Araujo

    2013-01-01

    Here it is made a comparative analysis between the classical and the quantum expressions for the energy of electromagnetic radiation (ER). The comparison points to the possibility of the quantization of the magnetic and the electric field fluxes in the ER. ----- Apresenta-se uma an\\'alise comparativa entre as express\\~oes cl\\'assica e qu\\^antica para a energia da radia\\c{c}\\~ao eletromagn\\'etica (RE). A compara\\c{c}\\~ao nos aponta para a possibilidade de haver uma quantiza\\c{c}\\~ao dos fluxos dos campos magn\\'etico e el\\'etrico na RE.

  15. Differential field equations for the MHD waves and wave equation of Alfven; Las ecuaciones diferenciales de campo para las ondas MHD y la ecuacion de onda de Alfven

    Energy Technology Data Exchange (ETDEWEB)

    Fierros Palacios, Angel [Instituto de Investigaciones Electricas, Temixco, Morelos (Mexico)

    2001-02-01

    In this work the complete set of differential field equations which describes the dynamic state of a continuos conducting media which flow in presence of a perturbed magnetic field is obtained. Then, the thermic equation of state, the wave equation and the conservation law of energy for the Alfven MHD waves are obtained. [Spanish] Es este trabajo se obtiene el conjunto completo de ecuaciones diferenciales de campo que describen el estado dinamico de un medio continuo conductor que se mueve en presencia de un campo magnetico externo perturbado. Asi, se obtiene la ecuacion termica de estado, la ecuacion de onda y la ley de la conservacion de la energia para las ondas de Alfven de la MHD.

  16. Characterization of Magnetic Field Immersed Photomultipliers from Double Chooz Experiment. Design and Construction of their Magnetic Shields; Caracterizacion de los fotomultiplicadores del experimento Double Chooz bajo campo magnetico y diseno y construccion de sus blindajes magneticos

    Energy Technology Data Exchange (ETDEWEB)

    Valdivia Valero, F. J.

    2007-12-28

    Flavour oscillations of neutrinos are a quantum-mechanical effect widely demonstrated. It is explained through interferences of their mass eigenstates, therefore, belonging to the physical area beyond the Standard Model. This work deals with the CIEMAT collaboration in the neutrino experiment Double Chooz. Such an experiment aims to measure the mixture angle {theta}{sub 1}3, one of the PMNS leptonic mixture matrix, with a un reached-before sensibility by decrease of systematic errors. For this, two identical scintillator detectors, equipped with PMT's, will be sited at different distances from two reactors located in the nuclear power plant CHOOZ B (France). The electronic neutrino flux from these reactors will be compared, explaining its deficit by flavour oscillations of these particles. The identity of both detectors will be diminished by the magnetic field effects on the PMT's response. Therefore, this study serves as for quantifying such an effects as for fitting the magnetic shields design that minimize them. Shielding measurements and final design of magnetic shields as much as the effect these ones cause in the PMT's response immersed in a monitored magnetic field are presented. (Author) 85 refs.

  17. Calculation of electromagnetic field in electric machines through the finite element: Electromagnetic modeling; Calculo de campos electromagneticos en maquinas electricas mediante elemento finito: Modelacion electromagnetica

    Energy Technology Data Exchange (ETDEWEB)

    Rosales, Mario F. [Instituto de Investigaciones Electricas, Cuernavaca (Mexico)

    1987-12-31

    In this article are presented the general characteristics of the electromagnetic phenomena that can be described by means of the software CALIIE-2D of the Instituto de Investigaciones Electricas (IIE) derived from a modeling based in the magnetic and electric potentials, always using the MKS rationalized units system. Closed regions are considered with axial or moving symmetry to incorporate the bi-dimensional behavior of the electromagnetic fields. The possibility of means with movement is also included. [Espanol] En este articulo se presentan las caracteristicas generales de los fenomenos electromagneticos que pueden describirse mediante el programa de computo CALIIE-2D, del Instituto de Investigaciones Electricas (IIE), que provienen de una modelacion basada en los potenciales magnetico y electrico, en esta se utiliza sistema MKS racionalizado de unidades. Se consideran regiones cerradas con simetria axial o traslacional para incorporar el comportamiento bidimensional de los campos electromagneticos, se incluye tambien la posibilidad de medios con movimiento.

  18. Diario de campo

    Directory of Open Access Journals (Sweden)

    Daniel Holgado Ramos

    2013-12-01

    Full Text Available "Diario de campo" es una interesante propuesta de la socióloga Rosario Izquierdo, que combina el estudio sociológico, la novelización y el análisis de la experiencia de investigación e intervención de la autora. “Diario de campo” es una lectura interesante para comprender el proceso de inmersión social y de contacto con el contexto de investigación y de la interacción con los valores personales y profesionales afectan a dicho proceso y a la propia construcción de la identidad del investigador.

  19. Diario de campo

    OpenAIRE

    Daniel Holgado Ramos

    2013-01-01

    "Diario de campo" es una interesante propuesta de la socióloga Rosario Izquierdo, que combina el estudio sociológico, la novelización y el análisis de la experiencia de investigación e intervención de la autora. “Diario de campo” es una lectura interesante para comprender el proceso de inmersión social y de contacto con el contexto de investigación y de la interacción con los valores personales y profesionales afectan a dicho proceso y a la propia construcción de la identidad del investigador...

  20. Genotoxicity and ELF-magnetic fields: a review through the micronucleus assay; Genotoxicidad y campos magneticos-ELF: una revision a traves del ensayo de micronucleos

    Energy Technology Data Exchange (ETDEWEB)

    Alcaraz, M.; Andreu-Galvez, M.; Sanchez-Villalobos, J. M.; Achel, D. G.; Olmos, E.; Martinez-Hernandez, C. M.

    2012-07-01

    Thirty for (34) published studies, conducted from 1994 to the present to evaluate the genotoxic effect of magnetic fields using ELF-EMF and diagnostic resonance on humans by the micronucleus assay have been reviewed. some characteristics of the assay methods, their significance to genotoxicity and basic interpretations of the results of these assays are discussed. of the studies analysed 70.5% implicated genotoxic effects induced by these magnetic fields: 52.9% were due to exposure to magnetic fields only and 17,6% by exposure to magnetic fields in combination with some treatment types, resulting in additive or synergistic effect. Evidence exist to support the notion that exposure of humans to magnetic fields stimulates genotoxic effects, although the actual mechanisms of action or even the true human health consequences resulting from these exposure still remain unclear. (Author) 80 refs.

  1. Electron gas interacting in a metal, submitted to a strong magnetic field; Gas de eletrons interagentes num metal, sujeito a um campo magnetico forte

    Energy Technology Data Exchange (ETDEWEB)

    Alcaraz, Francisco Castilho

    1977-07-01

    Using the propagator's technique in the grand ensemble developed by Montroll and Ward we investigate the magnetic properties of an interacting electron gas in a strong magnetic field. The free propagator properly constructed shows that the spin paramagnetism does not have a term with strong temperature dependence, contrary to the result of Isihara. Considering the electron density to be constant, the dHVA oscillations in the magnetic susceptibility and sound velocity, considering the effects of first exchange interactions, show only one phase in agreement with experimental result, while Ichimura and Isihara obtained two phases differing by {pi}/2. The effects of first order exchange interactions in the dHVA oscillations of the magnetic susceptibility and sound velocity give rise to an exponential factor in the amplitudes of oscillator (Dingle factor), being the Dingle temperature linearly dependent of the Fermi velocity. The calculations of the ring diagram contribution to the grand partition function, show that the approximation used by Isihara for this calculations is not good and the dHVA oscillations of the contributions from the ring diagrams for the grand partition function have a phase differing by {pi}/2 from that obtained by Isihara. (author)

  2. Calculation of modification to the toroidal magnetic field of the Tokamak Novillo. Part II; Calculo de modificacion al campo magnetico toroidal del Tokamak nivillo. Parte II

    Energy Technology Data Exchange (ETDEWEB)

    Melendez L, L.; Chavez A, E.; Colunga S, S.; Valencia A, R.; Lopez C, R.; Gaytan G, E

    1992-03-15

    In a cylindrical magnetic topology. the confined plasma experiences 'classic' collisional transport phenomena. When bending the cylinder with the purpose of forming a toro, the magnetic field that before was uniform now it has a radial gradient which produces an unbalance in the magnetic pressure that is exercised on the plasma in the transverse section of the toro. This gives place to transport phenomena call 'neo-classicist'. In this work the structure of the toroidal magnetic field produced by toroidal coils of triangular form, to which are added even of coils of compensation with form of half moon is analyzed. With this type of coils it is looked for to minimize the radial gradient of the toroidal magnetic field. The values and characteristics of B (magnetic field) in perpendicular planes to the toro in different angular positions in the toroidal direction, looking for to cover all the cases of importance are exhibited. (Author)

  3. Calculation about a modification to the toroidal magnetic field of the Tokamak Novillo. Part I; Calculo sobre una modificacion al campo magnetico toroidal del Tokamak Novillo. Parte I

    Energy Technology Data Exchange (ETDEWEB)

    Chavez A, E.; Melendez L, L.; Colunga S, S.; Valencia A, R.; Lopez C, R.; Gaytan G, E

    1991-07-15

    The charged particles that constitute the plasma in the tokamaks are located in magnetic fields that determine its behavior. The poloidal magnetic field of the plasma current and the toroidal magnetic field of the tokamak possess relatively big gradients, which produce drifts on these particles. These drifts are largely the cause of the continuous lost of particles and of energy of the confinement region. In this work the results of numerical calculations of a modification to the 'traditional' toroidal magnetic field that one waits it diminishes the drifts by gradient and improve the confinement properties of the tokamaks. (Author)

  4. "pruebas de campo"

    Directory of Open Access Journals (Sweden)

    Manuel Rodríguez

    2007-01-01

    Full Text Available Se exponen los resultados de evaluaciones de campo del miniaspersor MAMKAD 2255 con boquilla roja, como posible alternativa para el riego de alta frecuencia, baja intensidad y sub-foliar en el cultivo del banano. En estas condiciones, donde se evaluaron 15 variantes de marcos de puestas, la mejor resultó ser 9x6 m con disposición triangular de los miniaspersores para marcos de plantación de 2,25 m x 2,60 m. Fueron determinados además, la intensidad media real y teórica del miniaspersor, el agua interceptada, la eficiencia de aplicación del riego y las áreas de riego normal, excesiva e insuficientemente humedecidas

  5. Estimación de biomasa residual mediante imágenes de satélite y trabajo de campo: Modelización del potencial energético de los bosques turolenses

    OpenAIRE

    García Martín, Alberto; Riva Fernández, Juan de la; Royo Herrer, Francisco Javier

    2010-01-01

    La utilización de biomasa residual forestal como recurso energético está por debajo de los objetivos fijados en materia de energías renovables dada la inexistencia de una metodología para evaluar la cantidad de residuos en una región. Esta investigación desarrolla una metodología para estimar esta biomasa a escala regional a partir del uso de teledetección y SIG. Para ello, se calcula la biomasa residual (tons/ha) en las parcelas del Segundo Inventario Forestal Nacional de la provincia de Ter...

  6. Electromagnetic fields originated by transmission power lines and the electromagnetic compatibility in shared rights of way; Campos electromagneticos producidos por lineas de transmision y la compatibilidad electromagnetica en derechos de via compartidos

    Energy Technology Data Exchange (ETDEWEB)

    Perez Rebolledo, Hugo; Zavala Silva, Moises; Galvan Diego, Arturo [Instituto de Investigaciones Electricas, Cuernavaca (Mexico)

    1998-12-31

    This article describes the different types of electromagnetic interference by power lines in rights of way areas. The calculations of the electromagnetic fields obtained under a power line with the purpose of establishing acceptable interference limits, are shown. These calculations were conducted for different transmission power lines configurations. A good correlation was obtained among the measured magnetic fields and the calculated one under a power transmission line. For cases of fault currents to ground the ground potentials were estimated in order to obtain the minimum distance where buried pipes can be installed to operate in a safe way. [Espanol] Este articulo describe los diferentes tipos de interferencia electromagnetica producida por lineas de potencia en derechos de via. Se muestran los calculos de los campos electromagneticos obtenidos bajo una linea de potencia, con la intencion de establecer los limites aceptables de interferencia. Estos calculos se efectuaron para diferentes configuraciones de lineas de transmision. Se obtuvo una buena correlacion entre los campos magneticos medidos y el calculado bajo una linea de transmision. Para casos de corriente de falla a tierra se determinaron los potenciales a tierra, a fin de obtener la distancia minima en donde se pueden instalar las tuberias enterradas para operar de manera segura.

  7. Evaluación de campo del efecto residual de la deltametrina sobre la mortalidad y knockdown en Triatoma infestans, según tipo de superficie en Arequipa, Perú

    Directory of Open Access Journals (Sweden)

    Miriam Palomino S

    2007-04-01

    Full Text Available Objetivos: Determinar el efecto de volteo (knockdown y mortalidad en la medición de la eficacia residual del insecticida deltametrina 5% SC usado en el control vectorial de la enfermedad de Chagas sobre tres tipos de substratos (sillar, ladrillo y concreto a dosis de 25 mg/m2. Materiales y métodos: Se aplicó la deltametrina en casas de diferente material en una zona endémica de Arequipa, Perú, luego fueron expuestas por 72 horas entre 87 a 120 ninfas V de Triatoma infestans en las paredes tratadas, posteriormente las ninfas fueron transferidas a recipientes limpios para determinar el knockdown, la mortalidad a 15 días y la recuperación. Este experimento fue realizado a las 24 horas, 30, 60, 90 y 120 días posttratamiento. Resultados: La mortalidad de la deltametrina se fue reduciendo de 95% en las 24 primeras horas a 34% en el cuarto mes posterior a la exposición, independientemente del tipo de substrato, a un ritmo de 14,5% mensual (p<0,001; r2=0,79, el knockdown se mantuvo por encima de 75% al cuarto mes y la recuperación fue aumentando con el tiempo (p<0,001; r2=0,77. Según substrato, se evidencia una persistencia de la mortalidad 50% hasta los 60 días para sillar, y 90 días para el ladrillo y concreto. Conclusiones: Se demostró una baja efectividad de deltametrina 5% SC a cuatro meses después del tratamiento sobre diferentes superficie (sillar, ladrillo y concreto. Es necesario tener en cuenta estos resultados para calcular los tiempos de aplicación de este insecticida en los programas de control vectorial.

  8. Tuberculosis pulmonar de campos inferiores

    Directory of Open Access Journals (Sweden)

    Alejandra González

    2010-10-01

    Full Text Available La tuberculosis (TB que compromete sólo los campos pulmonares inferiores (TBCI es poco frecuente en el adulto y en general está asociada a alguna causa de inmunodepresión. El objetivo de nuestro trabajo fue determinar la incidencia de TBCI en nuestra población y comparar sus características respecto de la TB pulmonar de localización habitual. Se estudiaron en forma retrospectiva en el período de 2004 a 2008, 42 pacientes con TBCI que fueron comparados con 84 pacientes con TB pulmonar de localización habitual (grupo control. Se excluyeron pacientes con HIV. La TBCI representó el 6% del total de TB pulmonar. No se encontraron diferencias significativas en cuanto a edad, sexo, presencia de cavidades en la radiografía, días de evolución y nivel de albúmina. La TBCI tuvo significativamente mayor proporción de comorbilidades (p < 0.001, presencia de condensación (p < 0.001 y compromiso unilateral (p < 0.001 en la radiografía de tórax, junto con mayor número de internaciones (p = 0.02. Cabe destacar que sólo16 de los 42 pacientes con TBCI (38% tenían alguna comorbilidad demostrada. La TBCI puede presentarse aun sin comorbilidades asociadas y debe sospecharse en neumonías de evolución tórpida independientemente de su localización.

  9. Study of the hyperfine magnetic field acting on Ce probes substituting for the rare earth and the magnetic ordering in intermetallic compounds RAg (R=rare earth) by first principles calculations; Estudo do campo hiperfino magnetico na sonda de Ce colocada nos compostos intermetalicos do tipo RAg (R=terra rara) e do ordenamento magnetico desses compostos usando calculos de primeiros principios

    Energy Technology Data Exchange (ETDEWEB)

    Pereira, Luciano Fabricio Dias

    2006-07-01

    In this work the magnetic hyperfine field acting on Ce atoms substituting the rare-earths in R Ag compounds (R = Gd e Nd) was studied by means of first-principles electronic structure calculations. The employed method was the Augmented Plane Waves plus local orbitals (APW+lo), embodied in the WIEN2k program, within the framework of the Density Functional Theory (DFT) and with the Generalized Gradient Approximation (GGA) for the exchange and correlation potential. The super-cell approach was utilized in order to simulate for the Ce atoms acting as impurities in the R Ag matrix. In order to improve for correlation effects within the 4f shells, a Hubbard term was added to the DFT Hamiltonian, within a procedure called GGA+U. It was found that the magnetic hyperfine field (MHF) generated by the Ce 4f electron is the main component of the total MHF and that the Ce 4f ground state level is probably a combination of the m{sub l} = -2 and m{sub l} = -1 sub-levels. In addition, the ground-state magnetic structure was determined for Ho Ag and Nd Ag by observing the behavior of the total energy as a function of the lattice volume for several possible magnetic ordering in these compounds, namely, ferromagnetic, and the (0,0,{pi}), ({pi},{pi},0) and (({pi},{pi},{pi}) types of anti-ferromagnetic ordering of rare-earth atoms. It was found that the ground-state magnetic structure is anti-ferromagnetic of type ({pi},{pi},0) for both, the Ho Ag and Nd Ag compounds. The energy difference of the ferromagnetic and antiferromagnetic ordering is very small in the case of the Nd Ag compound. (author)

  10. Residual effect of two Bacillus thuringiensis var. israelensis products assayed against Aedes aegypti (Diptera: Culicidae in laboratory and outdoors at Rio de Janeiro, Brazil Efeito residual de duas formulações de Bacillus thuringiensis var. israelensis sobre Aedes aegypti (Diptera: Culicidae em condições de laboratório e em simulado de campo, no Rio de Janeiro, Brasil

    Directory of Open Access Journals (Sweden)

    José Bento Pereira Lima

    2005-06-01

    Full Text Available Resistance of the dengue vector to temephos stimulated its substitution for Bacillus thuringiensis var. israelensis (Bti since 2001 in Brazil. The persistence of the two Bti formulations employed at that time by the Health Ministry, Vectobac G and Aquabac G, was assayed under laboratory and outdoor conditions. Both formulations were tested at 0.2 g/10 liters of water, the same concentration applied in the field for vector control. The tests were done against Ae. aegypti third instar larvae (Rockefeller strain. In the laboratory, Vectobac G and Aquabac G caused at least 95% mortality until 101 and 45 days after treatment, respectively. In the outdoor assays, test containers of different materials were treated with either formulation and placed in a shaded area. Larvae were introduced each 3-6 days and mortality was recorded 24 and 48 hours later. In the first set of assays, performed in June 2001, mortality levels of 70% or more were attained for 2-5 weeks for both formulations in all containers. The exception was for the iron one that rusted, resulting in low mortality after seven days. In the second set of assays (August 2001, 70% mortality was attained for just 1-2 weeks for all the containers and both formulations.RESUMO Resistência do vetor de dengue, Aedes aegypti, a temephos estimulou sua substituição por Bacillus thuringiensis var. israelensis (Bti desde 2001 no Brasil. A persistência de duas formulações de Bti empregadas naquele ano pelo Ministério da Saúde, Vectobac G e Aquabac G, foi testada em condições externas e de laboratório. Ambas formulações foram testadas a 0,2 g/10 litros de água, a mesma concentração recomendada para o controle do vetor no campo. Os testes foram realizados com larvas de Ae. aegypti de terceiro estádio (linhagem Rockefeller. No laboratório, Vectobac G e Aquabac G induziram pelo menos 95% de mortalidade até 101 e 45 dias depois do tratamento, respectivamente. Nos testes externos, recipientes

  11. The use of residual geothermal energy in an edible mushroom production plant, Los Humeros geothermal fields (Mexico): Achievements and alternatives; El uso de la energia geotermica residual en la planta productora de hongos comestibles del campo geotermico Los Humeros (Mexico): Logros y alternativas

    Energy Technology Data Exchange (ETDEWEB)

    Rangel Rangel, Maria Elena [Proteccion ambiental, Puebla (Mexico)

    2000-12-01

    A plant for raising edible mushrooms with residual geothermal energy is a project of the Comision Federal de Electricidad (CFE). The results reflect important achievements in the development of technology for the productions of wholesome and available food with geothermal heat instead of conventional energy sources. The installations have an enormous technological and commercial potential- demonstrated by the cultivation of oyster mushrooms (Pleurotus ostreatus), which success has awakened the interest of research institutions. The Instituto of Ecologia, A.C., has begun a joint project with CFE cultivating shiitake mushrooms (Lentinula edodes) with geothermal energy. These achievements mark a clear trend toward the integral use of facilities, the establishment of a crop with greater economic advantages, and the diffusion of this project. [Spanish] La planta productora de hongos comestibles es un proyecto de la Comision Federal de Electricidad (CFE) para dar un uso alterno a la energia geotermica residual. Los resultados obtenidos hasta el momento reflejan logros importantes en la generacion de tecnologia propia para la produccion de un alimento sano y accesible, sustituyendo la energia proveniente de combustibles convencionales por calor geotermico. Las instalaciones creadas cuentan con un enorme potencial tecnologico y comercial demostrando con el cultivo de las setas (Pleurotus ostreatus) con un exito tal que ha despertado el interes de instituciones dedicadas a la investigacion. Tal es el caso de Instituto de Ecologia, A.C que acualmente se encuentra involucrado en un proyecto conjunto sobre el cultivo del hongo Lentinula edodes (shiitake) utilizando energia geotermica en su proceso productivo. Con lo anterior, se esta marcando una clara tendencia hacia el aprovechamiento integral de las instalaciones, el establecimiento de un cultivo con mayores ventajas economicas y la difusion de este proyecto.

  12. Transducer project and optimization of the ultra low magnetic field NMR tomograph reception system system; Projeto de transdutores e otimizacao do sistema de recepcao do tomografo de RMN de campo magnetico ultra baixo

    Energy Technology Data Exchange (ETDEWEB)

    Vidoto, Edson Luiz Gea

    1995-12-31

    The aim of the present work was to optimize the signal to noise ratio in our NMR imaging system (TORM 005) by improving transducer`s reception quality through better designed coils, balanced tuning circuit for this coils and power decoupling circuits and by reducing interference from the electromagnetic environment. For this purpose, we had to modify the internal electromagnetic shielding and incorporate line filters in the more critical signals paths. Also, new types of coils were developed, improving the signal to noise ratio, and allowing us to make clinical exams with superior quality for several anatomies. Balanced circuits for tuning and matching of the coil were studied and built, allowing a reduction of the coil losses because patient`s load. This produced a more reliable coil tuning after positioning each new patient. Circuits to avoid the receiver input overload and decoupling circuits for the isolation of receiver coils from excitation coil were designed and incorporated to the TORM 005. All these alterations of our imaging system (TORM 005) contributed to a significant improvement in the signal to noise ratio, reliability and reproducibility of the system. This permitted to operate the system routinely for clinical applications, research and development in the area of ultra low magnetic field tomography. (author) 46 refs., 66 figs., 11 tabs.

  13. Green's function for a neutral particle of spin 1/2 in a magnetic field; Funcoes de Green para uma particula neutra de spin 1/2 num campo magnetico

    Energy Technology Data Exchange (ETDEWEB)

    Rodrigues, Rafael de Lima [Centro Brasileiro de Pesquisas Fisicas (CBPF), Rio de Janeiro, RJ (Brazil); Vaidya, Arvind Narayan [Universidade Federal, Rio de Janeiro, RJ (Brazil). Inst. de Fisica

    2001-12-01

    Using the spectral theorema in context of Green's function in momentum space of neutrons in the magnetic field of a linear conductor with current the bound state energy spectrum and eigenfunctions are deduced. It's also pointed out that this problem present a new scenary of Green's function in non-relativistic quantum mechanics. (author)

  14. Experimental behaviour of a argon plasma, which is passed by a high current intensity, with different magnetic field configurations; Comportamiento experimental de un plasma de argon en diferentes configuraciones de campo magnetico y a elevadas corrientes

    Energy Technology Data Exchange (ETDEWEB)

    Lozano, J.

    1964-07-01

    In a lineal discharge, the longitudinal and azimuthal magnetic fields produced by the current through the tube and the returning conductors, which have 4 different forms, are determined with a magnetic probe, which has a radial and longitudinal displacement. The plasma is produced discharging a 135{mu}F and 9 KV capacitor bank through Argon at 10{sup -}1 Torr. (Author) 5 refs.

  15. Relativistic dynamics of an electron in a pulse of laser light with propagation along of an external magnetic field; Dinamica relativista de un electron en un pulso de luz laser con propagacion a lo largo de un campo magnetico externo

    Energy Technology Data Exchange (ETDEWEB)

    Gomez, F. [UAEM, Facultad de Ciencias, 50000 Toluca, Estado de Mexico (Mexico); Ondarza, R. [ININ, 52045 Ocoyoacac, Estado de Mexico (Mexico)

    2003-07-01

    The exact solution for the movement of a charged particle in the interaction of an electromagnetic pulse elliptically polarized spreading along a static and homogeneous magnetic field is obtained starting from the equation of force. The solution method allows to solve, in terms of the phase, the trajectory of an accelerated particle by a pulse of arbitrary width and modulated by an encircling in Gaussian form. The reported solutions in this work have diverse applications in the laser-plasma interaction physics. (Author)

  16. Physical and chemical evaluation of the effect of a magnetic field on the electrodeposition of Ni in low carbon steel; Evaluacion fisica y quimica del efecto de un campo magnetico en la electrodeposicion de Ni en acero bajo carbono

    Energy Technology Data Exchange (ETDEWEB)

    Campo G, G. A.

    2015-07-01

    In this study nickel coatings were obtained, with and without the presence of magnetic field at 60 degrees Celsius for 7, 12 and 17 minutes on substrates of AISI 1018 carbon steel, from a classical type Watts solution. The properties of the coatings were studied by X-ray diffraction, scanning electron microscopy and atomic force microscopy, hardness tester and roughness tester, the electrochemical behavior of the films was also studied through RP and EIE and also capacitance calculations, corrosion rate and thickness were made. In general, the magnetic field has a negative influence on the physical and chemical properties of an electrodeposited Ni steel AISI 1018. The details are discussed in this research. (Author)

  17. Study of resistance of D. radiodurans to the combined action of ionizing radiation with an electric or magnetic fields exogenous; Estudo da resistencia de D. radiodurans a acao combinada de radiacoes ionizantes com campos eletricos ou magneticos exogenos

    Energy Technology Data Exchange (ETDEWEB)

    Prado, Georgia Reis

    2011-07-01

    The key goal in radiotherapy is to maximize damages in a tumor while minimizing them in nearby health tissues. Several strategies have been worked out toward the enhancement of cellular radiosensitivity, as the use of exogenous fields. It is studied in this work the resistance of Deinococcus radiodurans to the combined action of conventional and non conventional radiations, with external agents (electric and magnetic fields). D. radiodurans is a bacterium having an extraordinary ability to cope with lethal and mutagenic agents harmful to the DNA, particularly ionizing radiations as gammas and UV. Given its high radioresistance and fast growing, D. radiodurans has been used as solid tumors simulators. Peculiarities associated with radioresistance at the exponential and stationary phases were delineated from growing curves. By measuring survival curves information on radiosensitivity was obtained. In gamma irradiation D. radiodurans exhibited repairing shoulders of 2 and 8 kGy at the exponential and stationary phases, respectively. When gamma irradiations were combined with expositions to the electric field the repairing shoulders were reduced to 1 and 4 kGy at the exponential and stationary phases, respectively. Radioresistance was similar in both growing phases when the number of cells were approximately equalized in these two processes. On the other hand, when gamma irradiations were combined with expositions to the magnetic field the repairing shoulders were reduced to 4 and 6 kGy at the exponential and stationary phases, respectively. In irradiations with electron beams the repairing shoulder at the exponential phase was totally depleted, while at the stationary phase it was only 1 kGy. The findings of this work revealed new and important information on the radioresistance of D. radiodurans, while providing hints to the improvement of radiotherapy protocols in association with exogenous physical agents. (author)

  18. Methodology for attainment of magnetic field maximum values near the power distribution lines; Metodologia para la obtencion de valores maximos de campo magnetico en la proximidad de lineas electricas

    Energy Technology Data Exchange (ETDEWEB)

    Ferreira, Fabiana [Universidad de Buenos Aires (Argentina). Facultad de Ingenieria]. E-mail: fferreir@fi.uba.ar

    2001-07-01

    The magnetic field which a person near the high voltage line is submitted depends on certain physical magnitudes and also on various elements present in the surrounding as well. Therefore, it is necessary to develop calculation methods to the fast evaluation of the presence of those elements. For certain reference conditions it is possible to calculate the exact value of the magnetic field. Affecting this reference value by a factor for each of the conditions the maximum value of the field is obtained. The paper proposes formulas for some of these factors and studies the viability of obtaining by numerical and/or statistical methods.

  19. Trabajadoras asalariadas en el campo murciano

    Directory of Open Access Journals (Sweden)

    Cayetano Espejo Marín

    2003-01-01

    Full Text Available Durante las dos últimas décadas del siglo XX las transformaciones en el campo murciano han generado la necesidad de abundante mano de obra. Esta oportunidad ha sido aprovechada por muchas mujeres para incorporarse al mercado laboral como asalariadas en las explotaciones agrarias que les ofrecen empleo.

  20. Temas de Física para Ingeniería: Campos escalares y vectoriales

    OpenAIRE

    Beléndez Vázquez, Augusto; Bernabeu Pastor, José Guillermo; Pastor Antón, Carlos

    1988-01-01

    Magnitudes, vectores y campos: "Campos escalares y vectoriales". Campo escalar y campo vectorial. Cálculo vectorial infinitesimal: operadores. Representación vectorial de una superficie. Integración de campos vectoriales. Relaciones entre los campos escalares y vectoriales. Clasificación de los campos vectoriales.

  1. Environmental nanotechnology application: magnetic biosorbent for uranium removal; Aplicacao de nanotecnologia no meio ambiente: biossorvente magnetico na remocao de uranio

    Energy Technology Data Exchange (ETDEWEB)

    Yamamura, Amanda Pongeluppe Gualberto

    2009-07-01

    Sugarcane bagasse is a residue from the sugarcane agroindustry. It is a biodegradable material, with low cost and presents affinity for organic compounds and toxic metals. In this work, the sugar cane bagasse combined with nanoparticles of magnetite was prepared and called magnetic biosorbent. The magnetite was synthesized by simultaneous precipitation by addition a solution of NaOH to the aqueous solution containing Fe{sup 2+} and Fe{sup 3+}. The material was characterized by scanning electron microscopy, Fourier Transformer Infrared Spectroscopy, thermogravimetric analysis, X-ray diffractometry and measurements of magnetization. The magnetic bio sorbent showed a high magnetization of saturation without hysteresis, behavior attributed to superparamagnetic materials. Variables of adsorption process of uranyl ions by magnetic bio sorbent in nitric solutions were investigated. The study of the equilibrium time indicated an increase in the adsorption in function of time. Smaller biosorbent particle sizes resulted in greater removals. The maximum removal occurred at pH 5. The increase of stirring speed of the solute plus biosorbent system favored the adsorption, reaching the equilibrium at 300 r.p.m. The increase of the bio sorbent dosage increased the removal, which became constant for doses above of 10 g.L{sup -1}. The equilibrium isotherm was verified according to the Langmuir and Freundlich adsorption isotherm models. The results correlated better to the Langmuir isotherm model, being found a value of maximum capacity of adsorption of 17 mg of U per g biosorbent. The same studies of adsorption were performed with the bagasse biosorbent in order to compare the results. (author)

  2. Sobre o campo da Psicologia Social

    Directory of Open Access Journals (Sweden)

    Belinda Mandelbaum

    2012-03-01

    Full Text Available O campo da Psicologia Social é apresentado como território fértil, na contemporaneidade, para constituir-se como um laboratório para a produção em Ciências Humanas, uma vez que, no século XX, cada vez mais o social foi em direção ao psicológico. Neste campo, nosso embate dá-se no modo como entendemos o hífen pressuposto na integração psicossocial. A autora propõe que, entre o psicológico e o social, o hífen domina, pois ele é a própria essência relacional que é inerente a cada um dos elementos. Sugere que o modelo para entender o homem e suas circunstâncias proposto por Freud imbrica de forma indissociável o psicológico e o social, a ontogênese e a filogênese, com uma potência que teve impacto sobre todo o campo das Ciências Humanas. A Psicanálise é um instrumento hermenêutico para colaborar na elucidação dos fenômenos sociais. A autora utiliza imagens construídas por Freud e Walter Benjamin e poemas de Carlos Drummond de Andrade para fortalecer o entendimento do hífen psicossocial tanto em sua ação multidimensional quanto em sua organização.

  3. Comunicación y campos laborales

    OpenAIRE

    Vialey, Patricia

    2003-01-01

    Desde el surgimiento de las carreras de perio dismo y comunicación en Latinoamérica, la definición de sus perfiles y currículas fueron, y aún lo son, objeto de intensos debates. En un principio, éstos eran fomentados por las inquietudes propias de lo nuevo y las motivaciones de quienes impulsaron la formación institucional del profesional. Luego, por las características que se definieron en el desarrollo del campo de la comunicación. Al recuperar, desde una mirada histórica, estos debates ...

  4. Sistema automatizado de medición de campo lejano

    OpenAIRE

    Morras, Cecilia Andrea; Bertone, Rodolfo Alfredo; De Vito, María Cecilia; Sanz, Juan Aurelio; Bria, Oscar N.

    2004-01-01

    El trabajo presenta y describe una propuesta para la definición de un sistema automatizado que permita generar mediciones de un campo lejano. Se entiende por campo lejano a la región del campo de una antena en la cual la distribución angular del campo es sensiblemente independiente de la distancia de la antena [12]. El problema en cuestión consiste en medir las polarizaciones de una antena en una banda de frecuencia. Dicha medición era realizada en forma manual, pudiéndose obtener un Diagr...

  5. A Agroecologia como um campo científico.

    OpenAIRE

    Borsatto, Ricardo Serra; Carmo, Maristela Simões do

    2013-01-01

    Este texto teórico aborda os desafios de a Agroecologia se consolidar como um campo científico, visto que muitos pesquisadores envolvidos em sua temática requerem para ela o status de Ciência, ao mesmo tempo em que a sua postura epistemológica questiona severamente os paradigmas vigentes no campo científico. Aqui se defende que a Agroecologia pertence também ao campo científico, não negando que ela possa pertencer a outros campos, e que esse pertencimento é estratégico para evitar o seu desvi...

  6. La familia como campo de saber de las ciencias sociales

    Directory of Open Access Journals (Sweden)

    Yolanda López

    2003-01-01

    Full Text Available Como categoría socio-cultural y como campo de conflictos, la familia constituye un objeto de investigación e intervención de diferentes disciplinas. Si bien cada campo de saber define con respecto a la familia su objeto de estudio, la comprensión de la co

  7. Crop residues reuse to improve agricultural soil quality

    OpenAIRE

    Cornejo, Jennifer Moreno; Cano, Angel Faz

    2008-01-01

    Since the 70´s in The Autonomous Community of the Region of Murcia, the irrigated agricultural area has increased, especially in the agrarian district “Comarca del Campo de Cartagena”, (South East of Spain). As a consequence, the amount of crop residues generated has gone up too. At the present, harvest residues constitute a very serious environmental problem because, in most cases, these residues are dehydrated on the land and burned later on with subsequent negative consequences...

  8. Petrographical properties of shales from Campos Basin

    Energy Technology Data Exchange (ETDEWEB)

    Rabe, Claudio; Araujo, Ewerton M.P.; Fontoura, Sergio A.B. da [Pontificia Univ. Catolica do Rio de Janeiro, RJ (Brazil). Dept. de Engenharia Civil. Grupo de Tecnologia e Engenharia de Petroleo (GTEP)

    2004-07-01

    This paper presents a petrographical characterization of shales from Albacora, Marlim and Marlim Sul fields (offshore Campos Basin, Brazil). The characterization program included petrography analysis of thin section of undisturbed shale samples, scanning electron microscope (SEM) images and energy dispersive spectrometry (EDS) analysis. The tests were realized with the purpose of obtaining information to observe the nature of the rock microstructure. From the results presented herein, the shales can be described as silty and calciferous. The description of the thin sections indicated that all the shale samples are very similar from the compositional and textural point of view. The samples are rich in clay minerals, that show small size grains and seem homogeneous, and carbonatic cement. The samples are constituted by calcite, quartz, kaolinite, smecite, illite, illite/smectite, kaolinite/illite/smectite, feldspar, plagioclase, dolomite, chlorite and pyrite. The samples showed a great amount of calcium, resultant from the microfossils, that covers partially the clay minerals. Pyrite is also observed as small grains disperse throughout the sample with form of agglomerated pyrite framboids, cubo-octahedral and octahedral crystals. The EDS show the presence of picks of Si, Al, Mg, K and Na particles, indicating the presence of clay minerals, calcite, pyrite and chlorite. (author)

  9. Residual Momentum

    NARCIS (Netherlands)

    D.C. Blitz (David); J.J. Huij (Joop); M.P.E. Martens (Martin)

    2011-01-01

    textabstractConventional momentum strategies exhibit substantial time-varying exposures to the Fama and French factors. We show that these exposures can be reduced by ranking stocks on residual stock returns instead of total returns. As a consequence, residual momentum earns risk-adjusted profits th

  10. O voleibol feminino e seu posicionamento no campo esportivo brasileiro

    Directory of Open Access Journals (Sweden)

    Tatiana Moreira

    2013-11-01

    Full Text Available http://dx.doi.org/10.5007/2175-8042.2013v25n41p269 O presente artigo oferece reflexões introdutórias acerca do posicionamento do voleibol feminino no interior do campo esportivo brasileiro. Por meio da pesquisa exploratória com base em Pinheiro (1995, Pizzolato (2004, Marchi Jr. (2004, Costa (2005, Vlastuin (2008, Moreira (2009 e Afonso (2011, identificamos pontos centrais que orientaram a interpretação sociológica fundamentada pela Sociologia Reflexiva de Bourdieu. Constatamos que a trajetória histórica do voleibol feminino no campo esportivo brasileiro se deu entre habitus construídos e legitimados sob efeitos de dominação simbólica do voleibol masculino, instauradores das leis de reprodução social e que refletem o seu posicionamento hierárquico no campo esportivo brasileiro.

  11. Psicología y salud ocupacional, un nuevo campo

    OpenAIRE

    Guerrero, Juan

    2012-01-01

    La presencia del campo de la Salud Ocupacional en la historia del Departamento de Psicología en la Universidad Nacional de Colombia es reciente. Surgió de la instauración simultánea, en 1986, de un Seminario de Profundización sobre "Salud Mental y Trabajo" y de dos semestres de Practica Investigativa en Salud Ocupacional. Posteriormente, con el replanteamiento del Plan de Estudios de Pregrado de Psicología en 1991, se funda un espacio para un Seminario de Nuevo Campo en "Psicología y Salud Oc...

  12. Biostratigraphy of the Quaternary nannofossils from Campos Basin; Bioestratigrafia dos nanofosseis quaternarios da Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Antunes, Rogerio L. [PETROBRAS, Rio de Janeiro, RJ (Brazil). Centro de Pesquisas

    1994-04-01

    Seven biostratigraphic intervals have been identified through biostratigraphic studies based on calcareous nannofossils from samples of the Quaternary section of Campos and Santos basins. These intervals (named A to G) are based mainly on biological events such as extinction, first appearance, and prevalence (acme zone) of cosmopolitan taxa. In view of this, almost all recognized sections have an identity with colval biozones that have been described in the bibliography, making easier their correlation with magneto stratigraphic units and the inference of absolute ages. Nevertheless, interval D has not been consistently identified. According to what was observed it is possible to further divide the section. Such detailing would be based mainly on the appearance of Helicosphaera inversa (in interval C) and form B of H. carteri. var. wallichii (at the base of interval F), and on the abundance of H. carteri s.l. (in interval G). It is possible that other subdivisions will be delineated through quantitative investigation. However, these would be based on `anomalous` concentrations of some species with strong environmental connotation. This is the case, for example, of sharp variations in the absolute frequency of Coccolithus pelagicus which, for the time being, have been detected in intervals F and G. According to the bibliography, this species attains maximum proliferation during glacial epochs. (author). 5 figs., 1 tab.

  13. TRABALHO DE CAMPO NO VALE DO JEQUITINHONHA: UMA POSSIBILIDADE DE APROXIMAÇÃO DA REALIDADE DO CAMPO

    Directory of Open Access Journals (Sweden)

    Maria de Fátima Almeida Martins

    2010-01-01

    Full Text Available Este texto é fruto da experiência que tivemos na visita de campo ao Vale do Jequitinhonha(MG, lugar de referência e atuação de três educandos do curso de Licenciatura do Campo – Pedagogia da Terra –, integrantes da turma iniciada em dezembro de 2005, na Faculdade de Educação da UFMG. Essa turma marcou o início de nossas reflexões e nossa prática,com a formação e o ensino da Área de Ciências Sociais e Humanidades para professores que atuarão na educação do/no campo. Os relatos, as análises e as aproximações com os saberes e fazeres do campo apresentados aqui resultam das observações e do acompanhamento realizados nos locais de estágio dos referidos educandos. Estes residem 16TRABALHO DE CAMPO NO VALE DO JEQUITINHONHA: Revista Geografares, n° 8, 2010UMA POSSIBILIDADE DE APROXIMAÇÃO DA REALIDADE DO CAMPOnas cidades de Rio Pardo de Minas, Jequitinhonha e Almenara, mas suas práticas se realizam no campo, relacionada, respectivamente, à atuação do Sindicato dos Trabalhadores Rurais de Rio Pardo de Minas; do Centro de Agricultura Alternativa (CAA; da Caritas Diocesana, sediada em Jequitinhonha; e do Movimento dos Trabalhadores Rurais Sem Terra (MST, em Jequitinhonha e Almenara.

  14. Colonial Memory and the Crime of Rhetoric: Pedro Albizu Campos

    Science.gov (United States)

    Villanueva, Victor

    2009-01-01

    Dr. Albizu Campos was a Harvard-educated Puerto Rican politician who was sentenced to eighty years of imprisonment for what he said--sedition. He was called "el Maestro," a powerful speaker, with thousands gathering to listen to his deliberative rhetoric for freedom. He urged the people to reclaim their cultural history and national symbols, like…

  15. El campo de la economía

    Directory of Open Access Journals (Sweden)

    Gabriel Misas Arango

    2007-12-01

    Full Text Available Este ensayo examina el funcionamiento del campo de la economía, entendido como el espacio de producción simbólica de conocimientos económicos y las redes de distribución de esos conocimientos; analiza pues las relaciones entre los agentes productores y las instituciones involucradas. La economía es un campo científico con débil autonomía, debido a su profunda inserción en las relaciones sociales, y sufre fuertes presiones de fuerzas externas para problematizar unos temas e ignorar otros. Como resultado, la ciencia económica es una construcción social de una construcción social.

  16. Relações de Trabalho no Campo

    Directory of Open Access Journals (Sweden)

    Moema Miranda de Siqueira

    2010-12-01

    Full Text Available A partir de um modelo de análise de Relações de Trabalho, este estudo pretende identificar características do trabalho no campo, no Brasil, e as tendências para o trabalho feminino no futuro próximo.  A escolha do setor justifica-se por sua representatividade e especificidade no conjunto da força de trabalho brasileira e a segmentação por gênero pela participação, historicamente, de menores oportunidades do grupo feminino. Para aprofundar alguns pressupostos baseados em estatísticas macroeconômicas, foi realizado um levantamento junto a um grupo de trabalhadoras do campo, de um pequeno município de região cafeicultora do sul de Minas Gerais.

  17. Quality of coffee cultivated in Campos Gerais, Minas Gerais

    OpenAIRE

    Polyanna Alves Silva; Maria Goreti de Oliveira; Poliana de Oliveira Coelho; Juliana Aparecida Candido da Silva

    2016-01-01

    Coffee quality can be defined as a set of physical, chemical, sensory and safety attributes that meet consumer taste preferences. Coffea arabica is the most cultivated species, accounting for 70% national and world production of coffee. The present study analyzed 6 coffee samples from 6 different regions in the municipality of Campos Gerais, subjected to the treatments raw and roasted, in order to assess their physical and chemical quality based on the parameters of titratable acidity, pH, mo...

  18. O mato & o asfalto: Campos da Antropologia no Brasil

    Directory of Open Access Journals (Sweden)

    Mariza Corrêa

    2011-06-01

    Full Text Available O artigo é um breve apanhado sobre o campo da antropologia no Brasil. Feito originalmente para leitores estrangeiros, pareceu-me melhor deixá-lo como estava a atualizá-lo, na expectativa de que possa ser útil para jovens iniciantes nesse campo, já que o texto refere algumas instituições importantes para a sua formação nos últimos anos — como os programas de pós-graduação e a Associação Brasileira de Antropologia (ABA, e seus temas de pesquisa. Propõe-se aqui também que não apenas a interdisciplinaridade, bastante praticada hoje, mas também relações transversais ao próprio campo da antropologia são desejáveis — isto é, que os antropólogos “urbanos” levem em conta o que dizem os etnólogos, que estes dialoguem com os estudos de gênero etc. De todo modo, a bibliografia incluída ainda é, e continuará a sê-lo por um bom tempo, leitura necessária para pesquisadores que se interessem pela história da antropologia.

  19. Helping enhances productivity in campo flicker ( Colaptes campestris) cooperative groups

    Science.gov (United States)

    Dias, Raphael Igor; Webster, Michael S.; Macedo, Regina H.

    2015-06-01

    Reproductive adults in many bird species are assisted by non-breeding auxiliary helpers at the nest, yet the impact of auxiliaries on reproduction is variable and not always obvious. In this study, we tested Hamilton's rule and evaluated the effect of auxiliaries on productivity in the facultative cooperative breeder campo flicker ( Colaptes campestris campestris). Campo flickers have a variable mating system, with some groups having auxiliaries and others lacking them (i.e., unassisted pairs). Most auxiliaries are closely related to the breeding pair (primary auxiliaries), but some auxiliaries (secondary auxiliaries) are unrelated females that joined established groups. We found no effect of breeder quality (body condition) or territory quality (food availability) on group productivity, but the presence of auxiliaries increased the number of fledglings produced relative to unassisted pairs. Nonetheless, the indirect benefit of helping was small and did not outweigh the costs of delayed breeding and so seemed insufficient to explain the evolution of cooperative breeding in campo flickers. We concluded that some ecological constraints must limit dispersal or independent breeding, making staying in the group a "best-of-a-bad-job" situation for auxiliaries.

  20. Sistemas Correctores de Campo Para EL Telescopio Cassegrain IAC80

    Science.gov (United States)

    Galan, M. J.; Cobos, F. J.

    1987-05-01

    El proyecto de instrumentación de mayor importancia que ha tenido el Instituto de Astrofisica de Canarias en los últimos afios ha sido el diseflo y construcción del te1escopio IAC8O. Este requería del esfuerzo con junto en mec´nica, óptica y electrónica, lo que facilitó la estructuración y el crecimiento de los respectivos grupos de trabajo, que posteriormente se integraron en departamentos En su origen (1977), el telescopio IAC80 fue concebido como un sistema clásico tipo Cassegrain, con una razón focal F/i 1.3 para el sistema Casse grain y una razón focal F/20 para el sistema Coudé. Posteriormente, aunque se mantuvo la filosofia de que el sistema básico fuera el F/11.3, se consideró conveniente el diseño de secundarios para razones focales F/16 y F/32, y se eliminó el de F/20. Sin embargo, dada la importancia relativa que un foco estrictamente fotográfico tiene en un telescopio moderno, diseñado básicamente para fotometría fotoeléctrica y con un campo util mínimamente de 40 minutos de arco, se decídió Ilevar a cabo el diseño de un secundario F/8 con un sistema corrector de campo, pero que estuviera formado únicamente por lentes con superficies esféricas para que asl su construcción fuera posible en España ó en México. La creciente utilización de detectores bidimensionales para fines de investigación astron6mica y la viabilidad de que en un futuro cercano éstos tengan un área sensible cada vez mayor, hicieron atractiva la idea de tener diseñado un sistema corrector de campo para el foco primario (F/3), con un campo útil mínimo de un grado, y también con la limitante de que sus componentes tuvieron sólamente supérficies esféricas. Ambos diseños de los sis-temas correctores de campo se llevaron a cabo, en gran medida, como parte de un proyecto de colaboración e intercambio en el área de diseño y evaluación de sistemas ópticos.

  1. OVERCOMING DORMANCY IN SANSÃO-DO-CAMPO (Mimosa caesalpiniaefolia L. SEEDS SUPERAÇÃO DE DORMÊNCIA EM SEMENTES DE SANSÃO-DO-CAMPO (Mimosa caesalpiniaefolia L.

    Directory of Open Access Journals (Sweden)

    Eduardo Garcia Frasseto

    2007-09-01

    Full Text Available

    The Sansão-do-campo, also known as sabiá, is a plant whose wood has multiple uses, besides its ornamental value. It is used in forestry, for hedges and as forage. The flowers are visited by bees and tree stalk bark is used to treat lung diseases. The Sansão-do-campo seeds have shown germination problems due to tegument impermeability. To study this problem an experiment was carried out with seeds collected in August 2000 in Jussara, Goiás State. Pure seed samples were immersed in sulfuric acid (H2SO4 P. A. for 0, 5, 10, 15, and 20 minutes and then washed in running water for 10 minutes to remove acid residues. Seeds were dried and then submitted to the standard germination test. Statistical analysis showed that H2SO4 immersion for 10 to 15 minutes resulted in the highest germination rate (98%.

    KEY-WORDS: Sansão-do-campo; seeds; dormency.

    O Sansão-do-campo é uma planta cuja madeira apresenta múltiplas utilidades, além de se constituir em planta ornamental. É usado para reflorestamentos e cercas vivas, e suas folhas constituem valiosa forragem. As sementes dessa espécie, entretanto, têm apresentado dificuldades de germinação em virtude da impermeabilidade do tegumento. Para a superar o problema, instalou-se um ensaio no Laboratório de Análise de Sementes da Universidade Federal de Goiás, com sementes colhidas na cidade de Jussara, Goiás, em agosto de 2000. As amostras de sementes foram submetidas a tratamento com ácido sulfúrico (H2SO4 P. A. por períodos de 0, 5, 10, 15 e 20 minutos e, posteriormente, ao teste-padrão de germinação. A análise dos dados revelou que a imersão das sementes em H2SO4 por um período de cinco a quinze minutos produziu a maior percentagem de germinação (98%.

  2. AMS radiocarbon dating on Campos Basin, Southeast Brazilian Continental Slope

    Energy Technology Data Exchange (ETDEWEB)

    Macario, K.D.; Anjos, R.M.; Gomes, P.R.S. E-mail: paulogom@if.uff.br; Figueiredo, A.G.; Lacerda de Souza, C.; Barbosa, C.F.; Coimbra, M.M.; Elmore, D

    2004-08-01

    We present results on radiocarbon dating of foraminifera shell samples, collected on the upper slope of Campos Basin, in Southern Brazil. This is the first time that the sedimentation rate of this area is measured with a fine scale (cm) stratigraphy. {sup 14}C ages vary from (2560 {+-} 80) years. BP at the top to (7260 {+-} 80) years. BP at the bottom of the sediment column. The mean accumulation ratio for the whole column is (6.2 {+-} 0.7) cm/kyears.

  3. Salida de campo por Francia en mayo de 1954

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo por Francia, seguramente cerca de La Camarga, en Provenza, en mayo de 1954, de la que se anotaron observaciones sobre ranas y sapos (sin identificar las especies), un Erizo (pudiendo ser Erinaceus europaeus o Atelerix algirus), y las siguientes aves: Alauda arvensis (Alondra común), Apus sp. (Vencejo), Ardea cinerea (Garza real), Ardea purpurea (Garza imperial), Burhinus oedicnemus (Alcaraván común), Buteo buteo (Busardo ratonero, también llamado Águila ratera), Certhia sp. (A...

  4. Petroleum system and seismic expression in the Campos basin

    Energy Technology Data Exchange (ETDEWEB)

    Pessoa, Jonilton; Martins, Celso M.; Heinerici, Julius; Jahnert, Ricardo J.; Franca, Almerio B.; Trindade, Luiz A.; Francisco, Claudir [PETROBRAS, Rio de Janeiro, RJ (Brazil)

    1999-07-01

    The petroleum systems of the Campos Basin contains 60 billion barrels of discovered oil in place and 775 billion cubic meters of natural total gas in place, comprising one of the most prolific petroleum systems in South America . It is located in southeast Brazil covering about 100,000 km{sup 2} with 44 oil fields, seven giants, holding up to 90% of total Brazilian oil reserves and 50% of total natural gas reserves. The Campos Basin produces mostly from turbiditic sandstones of the Carapebus formation (Cretaceous-Tertiary), comprising the biggest part of the total production. Other important reservoirs are calcarenites of the Macae formation (Albian), bioclastic lacustrine limestones of the Lagoa Feia formation (Barremian), and fractured basalts of the Cabiunas formation (Neocomian). The source rocks are saline-to-brackish lacustrine water of the Lagoa Feia formation (Barremian) containing 5% TOC average, an average thickness about 100 m with a maximum of 500 m in depocenters, covering approximately 50,000 km{sup 2}. Trapping style is chiefly structural for the Cabiunas formation; structural-stratigraphic for the coquinas (bioclastic limestones of the Lagoa Feia formation), where pinch-out of the coquinas is a common feature; strongly structural for the calcarenites of the Macae formation (rollovers related to salt tectonics), and finally structural combined with sandstone pinch-out for the Cretaceous and Tertiary turbidites of the Carapebus formation. At the Corvina-Parati depo center, thermal basin modeling suggests the onset of oil generation in late Albian, reaching its maximum during the Miocene and it is still going on to present days. The top of oil window is about 4,5000 m deep and transformation rate reaches up to 70%. Seismically, the Campos Basin shows distinct response and characteristics according to lithologies and ages. The lowermost sequence (Lagoa Feia and Cabiunas formations) is poor in seismic attributes; the geological model is more adequate for

  5. Exposure to electric and magnetic fields at the fundamental frequency and their possible effects on the human health; Exposicion a campos electricos y magneticos de frecuencia industrial y sus posibles efectos en la salud humana, reglamentaciones de valores limites de exposicion: seguimiento y actualizacion

    Energy Technology Data Exchange (ETDEWEB)

    Vernieri, Julieta; Arnera, Patricia [Universidad Nacional de La Plata (UNLP), Buenos Aires (Argentina). Facultad de Ingenieria. Inst. de Investigaciones Tecnologicas para Redes y Equipos Electricos (IITREE-LAT)]. E-mail: jvernier@volta.ing.unlp.edu.ar; Massei, Cristina [Ente Nacional Regulador de la Electricidad (ENRE), Buenos Aires (Argentina)

    2001-07-01

    While the effects of short term in the human health due to exposure to electric and magnetic fields at the fundamental frequency are well-known, discussions with respect to the existence of effects of long term, specially cancer, persists at world-wide level. In order to evaluate the associated risks, interdisciplinary programs analyze the results of epidemic researches and also laboratory researches. In the present document, some of the last reviews have been showed, as well as it also is summarized the regulations for the limit values of expositure. It also makes reference to the special case of an italian standard as well.

  6. Two simple methods for calculating the penetration time of a longitudinal magnetic field through the wall of a metallic tube; Dos metodos simples para calcular el tiempo de penetracion de un campo magnetico longitudinal a traves de la pared de un tubo metalico

    Energy Technology Data Exchange (ETDEWEB)

    Jimenez D, H.; Colunga S, S.; Lopez C, R.; Melendez L, L.; Ramos S, J.; Cabral P, A.; Gonzalez T, L.; Chavez A, E.; Valencia A, R

    1991-06-15

    Two simple and fast methods to calculate the penetration time of a longitudinal magnetic field through the wall of a long metallic tube of circular cross section are presented. The first method is based upon the proposition of an 'effective penetration thickness' given by the polar angle average of all possible straight-line transverse penetration paths of field lines through the tube wall. This method provides a quick calculation that yields a remarkably good approximation to experimental and reported values of the penetration time. In the second method the tube is considered as a RL circuit. Thus the penetration time is given by the ratio L{sub T} /R{sub T} where L{sub T} is the inductance of the tube considered as a one turn coil, and R{sub T} is the tube resistance. This method is faster to apply than the previous one but the values obtained provide only a rough approximation to the penetration time. Applications of the two methods are given for the tokamak chambers of the Japanese 'HYBTOK', the Brazilian 'TBR' and the Mexican 'Novillo'. The resulting values of the penetration time approximate very well to the reported ones in the first two cases and to the experimental one in the last. The methods are also applied to calculate the penetration time in two long tubes, one of aluminum and other of copper. Calculated values approximate very well to measured values. (Author)

  7. Motion model for a charged particle in a plasma during the interaction of an electromagnetic pulse elliptically polarized propagating in the direction of a static and homogeneous magnetic field; Modelo del movimiento de una particula cargada en un plasma durante la interaccion de un pulso electromagnetico elipticamente polarizado propagandose en la direccion de un campo magnetico estatico y homogeneo

    Energy Technology Data Exchange (ETDEWEB)

    Gomez R, F. [UAEM, Facultad de Ciencias, 50000 Toluca, Estado de Mexico (Mexico); Ondarza R, R. [ININ, 52045 Ocoyoacac, Estado de Mexico (Mexico)

    2004-07-01

    An analytic model is presented for the description of the motion of a charged particle in the interaction of an elliptically electromagnetic pulse polarized propagating along a static and homogeneous external magnetic field in a plasma starting from the force equation. The method allows to express the solution in terms of the invariant phase, obtaining differential equations for the trajectory of the accelerated particle by means of an electromagnetic pulse of arbitrary and modulated width by an encircling Gaussian. The numerical solutions reported in this work can find varied applications, for example in the physics of the interaction laser-plasma, in the acceleration of particles, in hot plasma and in radioactive effects. (Author)

  8. Model of the motion of a charged particle into a plasma during the interaction of an electromagnetic pulse elliptically polarized propagating in the direction of a static and homogeneous magnetic field; Modelo del movimiento de una particula cargada en un plasma durante la interaccion de un pulso electromagnetico elipticamente polarizado propagandose en la direccion de un campo magnetico estatico y homogeneo

    Energy Technology Data Exchange (ETDEWEB)

    Gomez R, F. [UAEM, A.P. 2-139, 50000 Toluca, Estado de Mexico (Mexico); Ondarza R, R. [ININ, 52045 Ocoyoacac, Estado de Mexico (Mexico)

    2004-07-01

    An analytical model for the description of the movement of a charged particle in the interaction of an electromagnetic pulse elliptically polarized propagating along of a static and homogeneous external magnetic field in a plasma starting from the force equation is presented. The method allows to express the solution in terms of the invariant phase, obtaining differential equations for the trajectory of the accelerated particle by means of an electromagnetic pulse of arbitrary amplitude and modulated by an encircling Gaussian. The numerical solutions reported in this work can find varied applications, for example in the physics of the interaction laser-plasma, in the acceleration of particles, in hot plasma and in radiative effects. (Author)

  9. Action antiadipogenic of weak magnetic fields: A model for the study of the etiology of the semicircular lipoatrophy in media occupational; Accion antiadipogenica de campos magneticos debiles: un modelo para el estudio de la etiologia de la lipoatrofia semicircular en medios ocupacionales

    Energy Technology Data Exchange (ETDEWEB)

    Martinez Pascual, M. A.; Paino Belarrinaga, C. L.; Trillo ruiz, M. A.; Ubeda Maeso, A.

    2013-07-01

    Although several studies have suggested a possible association between exposure to environmental magnetic fields of industrial frequency and semicircular lipoatrophy, a mechanism that justifies the potential action of these fields magnetic on the adipo genesis has not been identified. The study investigated the in vitro action of a field weak magnetic on the adipo genesis of human adipose tissue-derived stem cells. (Author)

  10. DIAGNOSTICO DE AFECCIONES RESPIRATORIAS EN CAMPO QUIJANO SALTA -ARGENTINA

    Directory of Open Access Journals (Sweden)

    Marta Leonor de Viana

    2008-01-01

    Full Text Available Campo Quijano está a 30 Km. de la ciudad de Salta y cuenta aproximadamente con 8300 habitantes. En el éjido urbano existen dos borateras que constituyen una fuente puntual de contaminación del aire, suelo y aguas. Se estudió la prevalencia de enfermedades respiratorias en la población urbana en el año 2005. Se trabajó con los datos de las planillas de consultas diarias externas del Hospital Francisco Herrera. Se consideraron cuatro grupos de afecciones, seleccionados por la sintomatología y su posible asociación con las emisiones gaseosas de las borateras: Rinitis; Catarro en vías aéreas superiores, Espasmos y Tos irritativa. Se estimó y comparó la prevalencia de las enfermedades por barrio con la prueba de X2 y la de los residuales ajustados de Haberman. Los espasmos y catarros en vías aéreas superiores fueron las afecciones más frecuentes en la población de Campo Quijano. En rinitis no se encontraron diferencias entre barrios. El barrio San Roque presentó las mayores prevalencias en CVAs, espasmos y tos irritativa. Barrios cercanos a las borateras presentaron prevalencias dispares, lo que podría relacionarse con características socio-culturales, sanitarias y económicas, entre otros factores de riesgo, no considerados en este diagnóstico.

  11. Creencias tradicionales y campos electromagnéticos

    Directory of Open Access Journals (Sweden)

    Colin A. Ross

    2011-09-01

    Full Text Available El autor propone que existe una serie de creencias y prácticas tradicionales que pueden proporcionar pistas acerca de la interacción de campos electromagnéticos en la biosfera. Por ejemplo, la creencia en el mal de ojo puede ser una construcción cultural relacionada con la sensación de estar siendo observado, pero a su vez puede estar basada en las emisiones de ondas electromagnéticas a través de los ojos. En este artículo se presentan datos para apoyar esta hipótesis. Otras creencias tradicionales, como la importancia de la conexión con la Madre Tierra también pueden contener una explicación similar. En este artículo se presentan una serie de hipótesis científicamente verificables sobre creencias tradicionales y campos electromagnéticos. En esta fase, los datos son insuficientes para confirmar la hipótesis, no obstante el objetivo de este artículo es estimular el pensamiento crítico y la investigación sobre algunas creencias tradicionales.

  12. Tema 3. Campo eléctrico (Curso 2010-2011)

    OpenAIRE

    Espinosa Tomás, Julián; Pérez Rodríguez, Jorge; Miret Marí, Juan José; Caballero Caballero, María Teresa

    2010-01-01

    1. Interacción eléctrica. Campo eléctrico; 2. Representación mediante líneas de campo. Flujo eléctrico: Ley de Gauss; 3. Energía y potencial eléctricos. Superficies equipotenciales; 4. Dieléctricos y conductores. Condensadores: capacidad; 5. Movimiento de cargas en campos eléctricos. Corriente eléctrica: resistencias. Osciloscopio.

  13. Program of recovery of remains of melon and pepper in vegetable production in the area of Cartagena, Murcia (Spain); Programa de valorizacion de restos de pimiento y melon en produccion horticola en el campo de Cartagena, Murcia

    Energy Technology Data Exchange (ETDEWEB)

    Moreno-Cornejo, J.; Faz Cano, A.; Perez-Paterna, A.

    2009-07-01

    In the last decades, the irrigated agricultural areas have increased in Murcia, S. E. Spain, especially in the agrarian District Comarca del Campo de Cartagena. A consequence of this increase is the high use of fertilizers resulting to an excess of nutrients such as nitrogen. Another problem associated with the agricultural is the disposal of the increasing amount of organic agricultural residues from post-harvest practices. In this research we will study the effects of recycling crop residues as an organic fertilizer in vegetable production as a disposal management technique to reduce the amount of post-harvest residues. (Author) 9 refs.

  14. Demo 25. Movimiento de electrones en campos E y B: el ciclotrón

    OpenAIRE

    Cruz Muñoz, José Luis; Martínez García, Domingo; Andrés Bou, Miguel Vicente

    2013-01-01

    Objetivo:1.- Observar el proceso de generación de cargas libres. 2.- Observar el movimiento de cargas en campos eléctricos y magnéticos. Estudio experimental del movimiento de electrones en un campo magnético uniforme. Demostración de la Fuerza de Lorentz sobre electrones mediante la observación y medida de la trayectoria circular generada en un campo magnético uniforme, habiendo acelerado previamente los electrones con un campo eléctrico. Medida de la relación carga/masa de...

  15. Paleomorphology of the upper part of the Macae formation, Namorado field, Campos basin; Paleomorfologia do intervalo superior da formacao Macae, Campo de Namorado, Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Barboza, Eduardo Guimaraes [Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS (Brazil). Inst. de Geociencias. Programa de Pos-Graduacao em Geociencias; Tomazelli, Luiz Jose; Ayup-Zouain, Ricardo Norberto [Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS (Brazil). Inst. de Geociencias. Centro de Estudos de Geologia Costeira e Oceanica; Viana, Adriano Roessler [PETROBRAS, Rio de Janeiro, RJ (Brazil). Exploracao e Producao. Edificio Sede

    2004-07-01

    The Macae Formation (Late Albian-Turonian of the Campos Basin) is represented by a thick column of carbonate sediments whose deposition began soon after the evaporitic phase that marks the beginning of the marine occupation of the basin. The top of this interval is represented by an unconformity (Type I), indicative of a variation in the base level of the basin, on which the turbidities of the basal sequence of the Namorado Field were deposited. For a better understanding of the depositional geometry of these turbidities, the paleogeomorphology analysis demonstrated to be quite efficient. The method of work used for so was a combination among the seismic 3D visualization (VoxelGeo{sup R}), from the characterization of different physical attributes of the seismic signal, and the facies analysis of wells profiles of the referred field. The developed analysis allowed the individualization and the three-dimensional visualization of a sinuous paleochannel in the top of the interval, until then not described in previous interpretations of this depositional system. With the information coming from this study, a better understanding of the genesis of this accumulation can be reached, especially in the part regarding to the units of important economic character, represented by the turbidities deposits and whose occurrences are related with stages of relative lowering of the sea level. (author)

  16. Environmental protection at the Los Azufres, Michoacan geothermal field; La proteccion ambiental en el campo geotermico de Los Azufres, Michoacan

    Energy Technology Data Exchange (ETDEWEB)

    Mendoza Rangel, Ernesto; Hernandez Ayala, Cuauhtemoc [Comision Federal de Electricidad, Morelia, Michoacan (Mexico)

    2004-12-01

    Geothermal-electric development is a sustainable activity from an environmental viewpoint, as is proved by the operation and management of the Los Azufres geothermal field. Impacts to soil and vegetation can be prevented and adequately mitigated. Liquid residues can be returned to the reservoir avoiding contaminating surface and ground waters and aquifers; and atmospheric emissions can kept bellow allowable limits. The main environmental technical experiences of Comision Federal de Electricidad (CFE) in this field are presented in this paper. [Spanish] El desarrollo geotermoelectrico es una actividad sustentable desde el punto de vista ambiental, como lo prueba el manejo del campo geotermico de Los Azufres. Los impactos al suelo y a la vegetacion pueden prevenirse y mitigarse con las medidas adecuadas. Los desechos liquidos pueden regresarse al yacimiento sin contaminar cuerpos de agua superficiales o acuiferos someros, y las emisiones a la atmosfera pueden controlarse para mantenerlas dentro de limites permisibles. Se presentan las principales experiencias tecnicas de tipo ambiental obtenidas por la Comision Federal de Electricidad (CFE) en ese campo.

  17. ¿Chalés en el campo de tiro?

    OpenAIRE

    Gil Rodríguez, Jacinto

    2012-01-01

    Duración (en horas): De 11 a 20 horas. Nivel educativo: Grado En plena Guerra Civil (marzo 1937), un acaudalado naviero tinerfeño, cuyo primo-hermano se hallaba sujeto a ‘responsabilidades políticas’, donó al Ejército Nacional el terreno insular conocido como ‘Hoya Fría’ (470.200 mts2) con la intencionalidad subyacente de liberar al familiar represaliado y con el propósito explícito de que la finca donada se destinara a usos militares, para la ubicación de un campo de instrucción y de tiro...

  18. Introducción: un campo en efervescencia

    OpenAIRE

    Fuentes-Navarro, Raúl

    1985-01-01

    Introducción a la revista Renglones número 3 con el tema de Comunicación. El estudio de la comunicación es un campo en efervescencia en los contextos científico, académico, universitario y social. En esta edición se proponen diversas visiones sobre los aspectos mencionados y se sugiere la búsqueda de vínculos entre las prácticas de investigación, enseñanza, aprendizaje, ejercicio y observación de la comunicación. Los artículos presentados abordan temas como la formación universitaria de los c...

  19. Campo elétrico pulsado Pulsed electric field

    OpenAIRE

    Mirella Lima Binoti; Afonso Mota Ramos; Luciano José Quintão Teixeira; Paulo Cesar Stringheta; Valéria Rodrigues de Paula Minim; Mônica Ribeiro Pirozi

    2012-01-01

    Campos elétricos pulsados de alta intensidade (CEPAI) constituem um método não-térmico de conservação para alimentos em substituição à pasteurização tradicional. Em comparação ao processamento térmico, os CEPAI, além de serem eficientes na eliminação de micro-organismos e na inativação de enzimas, também minimizam as perdas de sabor, cor, textura, nutrientes e componentes termolábeis dos alimentos. O objetivo desse trabalho foi levantar dados bibliográficos atuais sobre o tema CEPAI, abordand...

  20. EL TRABAJO DE CAMPO EN BIOGEOGRAFÍA

    Directory of Open Access Journals (Sweden)

    Concepción Fidalgo Hijano

    1997-12-01

    Full Text Available Las prácticas de campo constituyen el mediomás idóneo para que los alumnos pongan aprueba la solidez de los conocimientos teóricosadquiridos, se ejerciten en las técnicas de 'observación, descripción, expresión gráfica ytoma de datos y maduren su espíritu crítico enrelación con los contenidos que le son transmitidosy con los resultados que ellos mismospueden obtener de sus propios análisis.Su finalidad es doble, por una parte informativa,descubrir en la complejidad de la naturalezaaquello que se ha visto simplificado en elaula, y por otra formativa, desplegar todas lascapacidades del individuo para aprender larealidad.

  1. Efeito residual de temephós em larvas de Aedes aegypti

    OpenAIRE

    Maria de Lourdes G Macoris; Maria Teresa M Andrighetti; Luiz Takaku

    1995-01-01

    Uma das estratégias de controle do Aedes aegypti é o uso do larvicida temephós, cujo efeito residual prolongado permite a programação de tratamentos focais. O objetivo deste estudo é verificar a duração do efeito residual do temephós simulando-se uma situação de campo. Recipientes plásticos com capacidade de um e cinco litros, foram tratados com temephós e seu efeito residual testado a cada trinta dias. Foram observadas diferentes durações do efeito residual, o qual foi maior nos recipientes ...

  2. The Sondalo gabbro contact aureole (Campo unit, Eastern Alps): implications for mid-crustal mafic magma emplacement

    Science.gov (United States)

    Petri, B.; Mohn, G.; Štípská, P.; Schulmann, K.; Manatschal, G.

    2016-05-01

    Contact aureoles rimming plutonic rocks are the locus of metamorphism and deformations witnessing magma emplacement mechanisms in the crust. In this study, structural and petrological observations are combined to mineral equilibria modelling to unravel the polyphase tectono-metamorphic history of the Permian Sondalo gabbro and its host rock, the Campo unit (Eastern Alps). The Campo unit consists of Grt-St-Ms-Bt-Pl-Qtz ± Sil ± And ± Crd mica schists attesting of a Carboniferous prograde P- T path, reaching 6 kbar/600 °C and subsequently 5.6 kbar/650 °C. This metamorphism is coeval with the formation of a sub-vertical NE-SW trending foliation (S1) and its overprint by a sub-vertical NW-SE trending foliation (S2). The heat brought by the Permian intrusives subsequently caused heating of the Campo unit at around 3-4 kbar/540 °C reflected by regional static crystallization of cordierite and andalusite porphyroblasts. During the intrusion of the Sondalo gabbro, thermal peak conditions are recorded by Grt-Sil-Spl-Crd-Ilm granulitic xenoliths at ~5.5 kbar/930 °C, subsequently exhumed at ~4 kbar during the development of a new foliation (S3). This foliation is localized around the pluton and moderately dips away from the centre of the pluton. In the migmatitic contact aureole, Grt-Sil-Bt-Pl-Qtz-Ilm and Grt-Sil-Crd-Spl-Bt-Kfs-Ilm residual rocks bear the new foliation (S3) and document a decompression from 6 kbar/750 °C to 5 kbar/725 °C and from 5.2 kbar/800 °C to reach 4.8 kbar/770 °C, respectively. The P- T- d paths recorded by the host rock and the xenoliths point to a two-step magma emplacement. First the Sondalo gabbro intruded the Campo unit causing heating of the host rock without deformation at 3-4 kbar. Second, the ductile flow along the pluton margins developed a new foliation (S3) during exhumation of the pluton and its immediate contact aureole from 6 to 4 kbar. Altogether, it indicates a progressive increase in mechanical coupling between the pluton

  3. SITE INDEX CURVES AND HYPSOMETRIC RELATIONSHIP FOR Eucalyptus grandis PLANTATIONS FOR THE CAMPOS GERAIS REGION, PARANA STATE

    Directory of Open Access Journals (Sweden)

    Fabiane Aparecida de Souza Retslaff

    2015-06-01

    Full Text Available The study aimed to fit mathematical models for the construction of Site Index curves and to estimate heights at different ages for Eucalyptus grandis in the Campos Gerais region, Parana State. The data used to fit the models came from permanent, temporary plots and pre-harvesting inventory, covering ages from 2.5 to 26.5 years. Several models were tested to represent the sites and the hypsometric relationship. The Site Index curves were constructed by the guide-curve method. For the Site Index, the Chapman-Richards model showed the best fit and precision statistics, generating 5 Site Index curves (range of 5 m with the Chapman-Richards model. The four hypsometric models tested showed satisfactory performance and similar statistics and the inclusion of the variables dominant height or site index did not substantially improve the goodness of fit statistics, but the residues were more homogeneous and closer to zero.

  4. Distribución de Crocus nevadensis Amo & Campo, Rest. Farm. 1861 en Navarra

    OpenAIRE

    Cavero, R.Y. (Rita Yolanda); Garde-Navarro, M.L. (M. L.); Lopez, M L

    1992-01-01

    Distribución y ecología de Crocus nevadensis Amo & Campo in Navarra. Se ha estudiado la distribución y el hábitat de Crocus nevadensis en la provincia de Navarra. Abstract: Distribution and ecology of Crocus nevadensis Amo & Campo in Navarra. We give the distribution and habitat of Crocus nevadensis in the Navarra country.

  5. CANINE EHRLICHIOSIS IN CAMPOS DOS GOYTACAZES, RIO DE JANEIRO, BRAZIL ERLIQUIOSE CANINA EM CAMPOS DOS GOYTACAZES, RIO DE JANEIRO, BRASIL

    Directory of Open Access Journals (Sweden)

    Orlando Augusto Melo Jr.

    2007-12-01

    Full Text Available

    It was evaluated 1.576 dogs with the intention to search positivity and to analyze hematological aspects of dogs infected with Ehrlichia spp. in Campos dos Goytacazes. The research of blood-parasites and complete blood counts had been carried out, to determine the occurrence and hematological aspects of dogs infected for Ehrlichia spp. The diagnosis was based by visualization of the Ehrlichia spp. morulae in the leukocytes, its great majority was in monocyte, being considered infected 219 (13,89% dogs. Anemia, thrombocytopenia, nuclear left deviation neutrophils, eosinopenia and absolute monocytopenia was been the most hematological alterations found.

    Key-words: Blood smears, Ehrlichia spp., hematology.

    Com o propósito de pesquisar a positividade e analisar os aspectos hematológicos de cães infectados com Ehrlichia spp. na cidade de Campos dos Goytacazes, avaliaram-se 1.576 cães. Realizaram-se pesquisa de hemocitozoários e hemograma para se determinar a ocorrência e os aspectos hematológicos dos cães infectados por Ehrlichia spp. Baseou-se o diagnóstico no achado de mórulas de Ehrlichia spp. nos leucócitos, em sua maioria nos monócitos, sendo considerados infectados 219 (13.89% cães.   Anemia, trombocitopenia, DNNE leve, eosinopenia e monocitopenia absolutas foram as alterações hematológicas mais observadas.

    Palavras-chaves: Esfregaço sangüíneo, hematologia, Ehrlichia spp.

  6. Chuva de sementes em remanescentes florestais de Campo Verde, MT

    Directory of Open Access Journals (Sweden)

    William Pietro-Souza

    2014-08-01

    Full Text Available O objetivo deste trabalho consistiu em avaliar sazonalmente a produção de sementes provenientes de fragmentos florestais presentes na zona rural de Campo Verde, MT. Essa caracterização ocorreu em termos de produção de sementes e riqueza de espécies vegetais. Foram selecionados três fragmentos florestais caracterizados como Floresta Estacional Semidecidual. Em cada fragmento, cinco coletores foram instalados e confeccionados com canos de PVC (1 m²; malha de náilon de 0,001 m e 0,15 m de profundidade do bojo. O material foi coletado mensalmente, cujas sementes foram quantificadas e separadas conforme a síndrome de dispersão, etapa sucessional e forma de vida. Houve a determinação da densidade, frequência absoluta, índice de diversidade e equitabilidade. Ao todo, foram obtidas 3.622 sementes, pertencentes a 74 táxons. Maiores densidades de sementes foram observadas durante os meses de setembro, outubro e novembro. As lianas Gouania sp., Fridericia speciosa, Heteropterys sp. e Distictella sp. responderam com 55,95% do total de sementes aportadas. Das espécies que compuseram a chuva de sementes, 74% não são dispersas pelo vento. Todavia, quando se verificou a quantidade de diásporos coletados, formas dispersas pelo vento foram predominantes, representando 76% do total. Citam-se como táxons arbóreos importantes para a recomposição florestal na região de Campo Verde, situada no Sudeste de Mato Grosso: Tachigali rubiginosa, Siparuna guianensis, Nectandra sp., Cordia alliodora, Alibertia sp., Terminalia brasiliensis e Myrcia sp. Essas espécies devem ser alvo de estudos mais específicos relacionados ao seu potencial para recuperação de ambientes degradados, considerando-se as Áreas de Preservação Permanente e Reservas Legais.

  7. Review of Nuria del Campo Martínez: Illocutionary Constructions in English: Cognitive Motivation and Linguistic Realization (2013)

    DEFF Research Database (Denmark)

    Jensen, Kim Ebensgaard

    2014-01-01

    A review of Nuria del Campo Martínez: Illocutionary Constructions in English: Cognitive Motivation and Linguistic Realization (2013)......A review of Nuria del Campo Martínez: Illocutionary Constructions in English: Cognitive Motivation and Linguistic Realization (2013)...

  8. Fibromialgia: perspectivas de um campo problemático

    Directory of Open Access Journals (Sweden)

    Luis Eduardo Ponciano Aragon

    2010-03-01

    Full Text Available Este trabalho está ligado a pesquisas a respeito de processos de subjetivação e adoecimento contemporâneos, pela abordagem afirmativa e não reducionista da fibromialgia. Formula-se uma metodologia chamada de afirmação do campo problemático, a qual procura resistir à abordagem dialética e à negativação dos sinais e sintomas, para captar a processualidade do jogo de afetos e da produção de signos de hoje, fazendo uso de instrumental psicanalítico, filosófico e clínico. A indiscernibilidade dos limites, a multiplicação de superfícies e a alienação dos ritmos participantes dos processos vitais de individuação surgem como resultados da pesquisa e propõe-se abordar um corpo-questão como território de incidência política, ética e clínica.

  9. Insomnia and hypnotic use in Campo Grande general population, Brazil

    Directory of Open Access Journals (Sweden)

    Souza José Carlos

    2002-01-01

    Full Text Available The insomnia prevalence in general population was determined by means of 408 home interviews of adults, in a representative sample of Campo Grande city, Brazil. The random sample was stratified by sex, age and economic social status. Insomnia subtypes evaluated were the disorders of sleep initiation (DSI, sleep maintenance (DSM and early awakening (DEA. A structured questionnaire was used with the consent from the interviewed subjects. Statistics used chi-square, and Fisher tests; and inferences based on binomial distribution parameters; the significance level was 5% and confidence interval (CI was 95%.The general prevalence of insomnia was 19.1% (sd=2.0%, mostly women (p=0.0015, and people of less years of schooling (p=0.0317, subtype DSI (14.2%, p=0.0043, and chronic (p=0.7022. Hypnotic drugs were used by 6.9%(sd=1.3% in the last month. Use in the last 2 years, 70.3% mostly insomniacs (p<0.0001, women (p=0.0372 and people over 30 years of age (p=0.0536.

  10. ``Campo del Cielo'' Meteorites: Astronomical Heritage and Cultural Colonialism

    Science.gov (United States)

    López, Alejandro Martín; Altman, Agustina

    2012-09-01

    In the province of Chaco, Argentina, there is a very unique dispersion of metallic meteorites called ``Campo del Cielo''. One of the meteoric fragments of this dispersion, the meteorite called ``El Chaco'', consisting of 37 tons, is the second heaviest in the world. These meteorites are of great importance to the worldview of the Moqoit, aboriginal people that inhabit this region. For the local Creole population the meteorites are also relevant, that's why they have being cited in numerous documents and reports since the colonial period. During the first months of 2012, two Argentine artists and the Artistic Director of the German contemporary art exhibition called dOCUMENTA (13) tried to move ``El Chaco'' meteorite to Germany in order to exhibit it as an artistic object. Due to the fact that moving the meteorite could have a negative impact according to the Moqoit cosmology and that they were not able to participate in the decision they begun a manifestation against the movement of El Chaco. The opposition made by aboriginal communities and experts in cultural astronomy was able to stop the transfer. The whole process and its impact on the local community have promoted a deep discussion about art, science and cultural colonialism. In this paper we aim to address this debate and its consequences. This will allow us to think about contemporary forms of colonialism that are hidden in many scientific and artistic projects. Furthermore, we aim to debate about the most effective ways of protecting astronomical heritage in the Third World.

  11. A METRIC FOR A CHIRAL POTENTIAL FIELD UNA MÉTRICA PARA UN CAMPO POTENCIAL QUIRAL

    Directory of Open Access Journals (Sweden)

    Héctor Torres-Silva

    2008-11-01

    Full Text Available In this paper we present an example of a specific metric which geometrizes explicitly a light-like four-vector potential (chiral field. The geometrization shows that such a vector has the same geometrical structure as a gravitational Kerr field. We discuss a theoretical proposition that a rotating body generates, besides a special gravitational field, a magnetic-type gauge field which might be identified with a chiral geometrized field. This chiral field represents a novel type of field because we cannot identify it with any of the known electromagnetic fields. As an application of this theory we discuss the morphology of the planets around the sun.En este trabajo se presenta un ejemplo de una métrica especifica que geometriza explícitamente un potencial cuadrivector tipo luz (campo quiral. La geometrización muestra que tal vector tiene la misma estructura geométrica que un campo gravitacional Kerr. Se discute una proposición teórica que un cuerpo rotante genera, su gravitación y el calibre de campo tipo magnético que puede ser identificado con un campo quiral geometrizado. Este campo quiral representa un tipo novedoso de campo que no puede ser identificado con alguno de los campos electromagnéticos conocidos. Como aplicación de esta teoría se discute la morfología de los planetas alrededor del sol.

  12. Applicazione dei laser scanner terrestri in campo agro-forestale e ambientale

    OpenAIRE

    Duce, Pierpaolo; Ferrara, Roberto; Arca, Bachisio

    2011-01-01

    Le tecniche di laser scanning terrestre suscitano un interesse sempre più crescente sia in campo ambientale sia in campo agro-forestale in quanto consentono un’acquisizione rapida e affidabile di nuvole di punti 3D in grado di rappresentare tridimensionalmente gli oggetti rilevati. In un lasso di tempo relativamente breve, tali tecniche hanno aperto la strada ad un ampio spettro di applicazioni in pieno campo. Al di là della misura interattiva di nuvole georeferenziate di punti, le tecniche p...

  13. Raft tectonics in northern Campos Basin; Tectonica de jangada (raft tectonics) na area norte da Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Castro, Marilia R. de [Universidade Estadual do Norte Fluminense (UENF), Campos dos Goytacases, RJ (Brazil)]|[PETROBRAS, Macae, RJ (Brazil). Unidade de Negocio da Bacia de Campos; Fugita, Adhemar M. [Universidade do Estado, Rio de Janeiro, RJ (Brazil). Programa de Recursos Humanos da ANP

    2004-07-01

    In the northern area of Campos Basin salt gliding/spreading processes promoted the break-up and transport of Cretaceous and Tertiary rocks overlying the evaporites. This process is known as raft tectonics, and it represents the most extreme form of thin-skinned extension above the salt decollement surface. Three distinct geotectonic domains were recognized that formed in response to the raft tectonics. The first one, confined to the shallower shelf portion of the basin, is characterized by minor extension (pre-raft domain), probably because of small salt thickness and low gradient. In the second domain (or disorganized rafts domain), located in distal platformal and slope areas, seismic sections show the occurrence of blocks or rafts with angular shapes, sometimes imbricated and frequently discontinuous. In the third domain, or domain of organized rafts, located in bacinal region, seismic sections show a more continuous raft pattern, often folded because of salt compression in the distal portions of the basin. The main purposes of this work is to characterize these three tectonic domains distinguished by raft tectonics, as well as their importance in hydrocarbon accumulations in calcarenites. (author)

  14. Evaluation of elemental composition of clays from Campos Gerais (MG); Avaliacao da composicao elementar de argilas de Campos Gerais (MG)

    Energy Technology Data Exchange (ETDEWEB)

    Martins, Joao P.M.; Maduar, Marcelo F.; Silva, Paulo S.C da, E-mail: jpmm0697@hotmail.com [Instituto de Pesquisas Energeticas e nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2013-07-01

    There are numerous applications given to clays including oil and water adsorbent, ceramic, whitening of beverages, porcelain, waste treatment, organic carrier molecules in cosmetics and pharmaceuticals, support for catalysts. In the pharmaceutical industry, the clays are used as excipients, diluents, desiccants, emulsifiers, to mask undesirable flavors, isotonic agent such as charger and delivery of active substances. These characteristics have contributed to the expansion of the search for applications of clay minerals in the cosmetic industry. The aim of this study was to determine the elemental composition of clays from Campos Gerais, Minas Gerais, with a view to their applicability in the production of cosmetics. The elements As, Ba, Br, Ce, Cl, Co, Cr, Cs, Eu, Fe, Hf, K, La, Lu, Na, Nd, Rb, Sb, Sc, Sm, Ta, Tb, Th,U, Yb and Zn were determined by neutron activation analysis and radionuclide activity concentration of {sup 226}Ra, {sup 228} Ra, {sup 210}Pb and {sup 40}K were determined by gamma spectrometry. It was verified that the activity concentration of radionuclides was in the same concentration as the global average, indicating that these samples do not present a risk of increased radiation exposure. The concentration of most elements determined is less than or equal to the overall mean concentrations, indicated by the values of Continental Upper Crust. (author)

  15. Energy and Mass Balance At Gran Campo Nevado, Patagonia, Chile

    Science.gov (United States)

    Schneider, C.; Kilian, R.; Casassa, G.

    The Gran Campo Nevado (GCN) Ice Cap on Peninsula Muñoz Gamero, Chile, is lo- cated in the southernmost part of the Patagonian Andes at 53S. It comprises an ice cap and numerous outlet glaciers which mostly end in proglacial lakes at sea level. The total ice covered area sums up to approximately 250 km2. GCN forms the only major ice body between the Southern Patagonian Icefield and the Street of Magallan. Its almost unique location in the zone of the all-year westerlies makes it a region of key interest in terms of glacier and climate change studies of the westwind zone of the Southern Hemisphere. Mean annual temperature of approximately +5C at sea level and high precipitation of about 8.000 mm per year lead to an extreme turn-over of ice mass from the accumulation area of the GCN Ice Cap to the ablation areas of the outlet glaciers. Since October 1999 an automated weather station (AWS) is run continuously in the area at Bahia Bahamondes for monitoring climate parameters. From February to April 2000 an additional AWS was operated on Glaciar Lengua a small outlet glacier of GCN to the north-west. Ablation has been measured at stakes during the same pe- riod. The aim of this study, was to obtain point energy and mass balance on Glaciar Lengua. The work was conducted as part of the international and interdisciplinary working group SGran Campo NevadoT and supported by the German Research Foun- & cedil;dation (DFG). Energy balance was calculated using the bulk approach formulas and calibrated to the measured ablation. It turns out, that sensible heat transfer is the major contribution to the energy balance. Since high cloud cover rates prevail, air tempera- ture is the key factor for the energy balance of the glacier. Despite high rain fall rates, energy input from rain fall is of only minor importance to the overall energy balance. From the energy balance computed, it was possible to derive summer-time degree-day factors for Glaciar Lengua. With data from the nearby

  16. Papilionoideae (Leguminosae) nos campos rupestres do Parque Estadual do Itacolomi, MG, Brasil Papilionoideae (Leguminosae) in the campos rupestres of Itacolomi State Park, Minas Gerais State, Brazil

    OpenAIRE

    Valquíria Ferreira Dutra; Flávia Cristina Pinto Garcia; Haroldo Cavalcante de Lima

    2009-01-01

    O presente trabalho trata do estudo florístico de Papilionoideae dos Campos Rupestres do Parque Estadual do Itacolomi (PEI), localizado no sul da Cadeia do Espinhaço. O trabalho de campo foi realizado no período entre setembro/2003 e outubro/2004. Foram encontradas 28 espécies de Papilionoideae, reunidas em 18 gêneros, sendo Desmodium o mais representativo, com cinco espécies. São fornecidos neste trabalho chaves analíticas, diagnoses, ilustrações e comentários sobre a distribuição geográfica...

  17. Diagnosis of solid waste management in the town of Campo Bom - RS

    OpenAIRE

    Karin Luise dos Santos; Roberto Naime

    2009-01-01

    This paper discusses the main items currently subject to recycling in Brazil to make a diagnosis on the management of domestic solid waste in the city of Campo Bom, in the catchment of the river valley of Sinos. The city of Campo Bom is neighboring the town of Novo Hamburgo. The survey is based on data supplied by the local administration COOLABORE (Cooperative Urban Cleaning and Construction). cooperative scavengers or environmental agents in the city and visits to Central treatment of house...

  18. The Marlin and Albacora giant fields, Campos Basin, offshore Brazil

    Energy Technology Data Exchange (ETDEWEB)

    De Souza, J.M.; Scarton, J.C.; Candido, A.; Cora, C.A.G. (Petrobras, Rio de Janeiro (Brazil))

    1990-09-01

    The Albacore and Marlim giant fields are located in the province of Campos basin, about 110 km (68 mi) offshore Cape Sao Tome, in water depths ranging from 200 m (656 ft) to 2,000 m (6562 ft). The Albacora field was discovered in September 1984 by the wildcat 1-RJS-297, drilled in 293 m (961 ft) of water. Subsequently, the wildcats 1-RJS-305 and 1-RJS-342 extended the field limits to deeper waters. The Albacora field is approximately 235 km{sup 2} (90 mi{sup 2}) in area, with an estimated volume of 4.5 billion bbl of oil in place. The Marlim field was discovered in February 1985 by the wildcat 1-RJS-219A, in a water depth of 853 m (2,800 ft). The Marlim field area is about 152 km{sup 2} (58 mi{sup 2}), and the latest estimate of oil in place is about 8.2 billion bbl. The Marlim complex encompasses Marlim field itself and the surrounding proved and potential areas known as East-of-, West-of-, and South-of-Marlim, respectively. The current estimated volume of oil in place in the Marlim complex is close to 13.9 billion bbl, with a total surface of about 350 km{sup 2} (135 mi{sup 2}). Oil production in the Albacora field comes from Lower Cretaceous (Albian) and Tertiary (Eocene, Oligocene, and Miocene) turbidite reservoirs. Oligocene turbidite sandstones are the potential reservoirs in the Marlim field. These deposits are genetically associated with sea level variations and are mainly composed of massive sandstones and, subordinately, of contourites. Both fields are structurally and stratigraphically controlled accumulations. Hydrocarbons are trapped in anticlines and/or faulted blocks associated with salt tectonics. Stratigraphic contributions result from sandstone bodies pinching out against shales and marls. The development of these fields has been supported by three-dimensional seismic data. The Albacora field is being gradually put on stream from shallower to deeper waters.

  19. Educação do campo, desigualdades sociais e educacionais

    Directory of Open Access Journals (Sweden)

    Maria Antônia de Souza

    2012-09-01

    Full Text Available O objetivo deste texto é caracterizar a gênese da prática e concepção da educação do campo, atentando para a concentração da terra e da propriedade como elementos estruturais geradores de desigualdade social. É propósito, ainda, destacar as principais conquistas efetivadas de 1990 até 2012 no âmbito da educação do campo e pontuar conflitos judiciais em torno do direito à educação superior entre os povos do campo. As reflexões apresentadas neste artigo são oriundas de pesquisa bibliográfica e documental, bem como de estudos empíricos realizados no período de 2002 a 2012. Tem-se como pressuposto central que a educação do campo é fruto de experiência coletiva construída pelos movimentos e organizações de trabalhadores do campo.

  20. Educação do campo, desigualdades sociais e educacionais

    OpenAIRE

    Maria Antônia de Souza

    2012-01-01

    O objetivo deste texto é caracterizar a gênese da prática e concepção da educação do campo, atentando para a concentração da terra e da propriedade como elementos estruturais geradores de desigualdade social. É propósito, ainda, destacar as principais conquistas efetivadas de 1990 até 2012 no âmbito da educação do campo e pontuar conflitos judiciais em torno do direito à educação superior entre os povos do campo. As reflexões apresentadas neste artigo são oriundas de pesquisa bibliográfica e ...

  1. Campo magnético generado por N bobinas alineadas axialmente

    Directory of Open Access Journals (Sweden)

    César Gutiérrez Tapia

    2002-01-01

    Full Text Available El cálculo del campo magnético generado por n bobinas axialmente alineadas permanece como un importante problema técnico en el proceso de construcción de los diferentes dispositivos para confinar el plasma con perfiles de campo externo tipo espejo. A partir de los métodos numéricos existentes para el cálculo de las integrales elípticas de primera clase k y segunda clase e, se describe la obtención de expresiones simples para calcular el campo magnético por el método de las ecuaciones elípticas.

  2. EINSTEIN EQUATIONS FOR TETRAD FIELDS ECUACIONES DE EINSTEIN PARA CAMPOS TETRADOS

    Directory of Open Access Journals (Sweden)

    Héctor Torres-Silva

    2008-11-01

    Full Text Available Every metric tensor can be expressed by the inner product of tetrad fields. We prove that Einstein's equations for these fields have the same form as the stress-energy tensor of electromagnetism if the total external current . Using the Evans' unified field theory, we show that the true unification of gravity and electromagnetism is with source-free Maxwell equations.Todo tensor métrico puede ser expresado por el producto interno de campos tetrados. Se prueba que las ecuaciones de Einstein para esos campos tienen la misma forma que el tensor electromagnético de momento-energía si la corriente externa total es igual a cero. Usando la teoría de campo unificado de Evans se muestra que la verdadera unificación de la gravedad y el electromagnetismo es con las ecuaciones de Maxwell sin fuentes.

  3. Public policy and the adaptation to climate changes: the case of the Campos basin; Politica publica e adaptacao as mudancas climaticas: o caso de bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Schaffel, Silvia B. [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia. Lab. Interdisciplinar do Meio Ambiente (LIMA)], e-mail: silviabs@ppe.ufrj.br; Barata, Martha [Fundacao Inst. Oswaldo Cruz (FIOCRUZ), Rio de Janeiro, RJ (Brazil)], e-mail: barata@ioc.fiocruz.br; Andrade, Euridice S. Mamede de [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Fac. de Administracao e Ciencias Contabeis], e-mail: mamede@barralink.com.br; La Rovere, Emilio Lebre [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia. Programa de Planejamento Energetico], e-mail: emilio@ppe.ufrj.br

    2008-07-01

    This paper proposes public policy measurements to support the adaptation to climate changes at the the influence region of E and P of petroleum and gas at the Campos basin applying a simplification of the Adaptation Policy Framework for Climate Change (APF) tool developed in a project of United Nations Development Programme - UNDP and Global Environment Facility - GEF (UNDP-GEF, 2001) viewing to help the developing countries in their adaptation policies.

  4. Papilionoideae (Leguminosae nos campos rupestres do Parque Estadual do Itacolomi, MG, Brasil Papilionoideae (Leguminosae in the campos rupestres of Itacolomi State Park, Minas Gerais State, Brazil

    Directory of Open Access Journals (Sweden)

    Valquíria Ferreira Dutra

    2009-03-01

    Full Text Available O presente trabalho trata do estudo florístico de Papilionoideae dos Campos Rupestres do Parque Estadual do Itacolomi (PEI, localizado no sul da Cadeia do Espinhaço. O trabalho de campo foi realizado no período entre setembro/2003 e outubro/2004. Foram encontradas 28 espécies de Papilionoideae, reunidas em 18 gêneros, sendo Desmodium o mais representativo, com cinco espécies. São fornecidos neste trabalho chaves analíticas, diagnoses, ilustrações e comentários sobre a distribuição geográfica e fenologia de cada espécie.A floristic study of Papilionoideae in the campos rupestres of Itacolomi State Park, South Espinhaço Range, was carried out. Field work took place from September 2003 to October 2004. Twenty eight species of Papilionoideae, grouped into 18 genera, were found. Desmodium was the most representative with five species. Analytical keys, diagnoses, illustrations and comments on the geographic distribution and phenology of each species are also presented.

  5. Seasonal variation of Lutzomyia longipalpis (Lutz & Neiva, 1912) (Diptera: Psychodidae: Phlebotominae) in endemic area of visceral leishmaniasis, Campo Grande, state of Mato Grosso do Sul, Brazil.

    Science.gov (United States)

    Oliveira, Alessandra Gutierrez; Galati, Eunice Aparecida Bianchi; Fernandes, Carlos Eurico; Dorval, Maria Elizabeth Cavalheiros; Brazil, Reginaldo Peçanha

    2008-01-01

    The seasonal distribution of Lutzomyia longipalpis was studied in two forested and five domiciliary areas of the urban area of Campo Grande; MS, from December 2003 to November 2005. Weekly captures were carried out with CDC light traps positioned on ground and in the canopy inside a residual forest and on the edge (ground) of a woodland and in at least one of the following ecotopes in peridomiciles-a cultivated area, a chicken coop, a pigsty, a kennel, a goat and sheep shelter and an intradomicile. A total of 9519 sand flies were collected, 2666 during the first year and 6853 during the second. L. longipalpis was found throughout the 2-year period, presenting smaller peaks at intervals of 2-3 months and two greater peaks, the first in February and the second in April 2005, soon after periods of heavy rain. Only In one of the woodlands was a significant negative correlation (p<0.05) between the number of insects and temperature during the first year and the climatic factors (temperature, RHA and rain) was observed. In the domiciliary areas in four domiciles some positive correlations (p< or =0.05) occurred in relation to one or more climatic factors; however, the species shows a clear tendency to greater frequency (72%) in the rainy season than in the dry (28%). Thus, we recommend an intensification of the VL control measures applied in Campo Grande, MS, during the rainy season with a view to reducing the risk of the transmission of the disease.

  6. EL PROCESO DE SELECCIÓN NATURAL EN EL CAMPO SOCIAL DEL BALLET EN CUBA

    OpenAIRE

    Hamlet Betancourt León

    2010-01-01

    El campo del ballet es un sistema social conflictivo donde se manifiesta gran competitividad -reflejada en continuas selecciones sociales y naturales- para cumplimentar la fantasía de todos los bailarines: bailar públicamente. El objetivo de esta investigación es demostrar la pertinencia del supuesto teórico darwinista de selección natural en la discriminación de belleza escénica de la figura del bailarín en el sistema piramidal de selección, formación y desempeño profesional del campo cubano...

  7. Estudio y pruebas de campo de WUSNs (Wireless Underground Sensor Networks)

    OpenAIRE

    Merino Garrido, Samuel

    2007-01-01

    Las redes de sensores son un campo de investigación muy activo. La gran variedad de aplicaciones que poseen en distintos campos induce a pensar que funcionarían correctamente para monitorizar entornos subterráneos. Por ejemplo, la agricultura utiliza los sensores subterráneos para supervisar condiciones del suelo tales como agua y contenido mineral. Los sensores también se utilizan con éxito para supervisar la integridad de las infraestructuras del subsuelo tales como tuber...

  8. Loque americana : Ensayos de campo para evaluar la efectividad de algunos aceites esenciales

    OpenAIRE

    Albo, Graciela N.; Cerimele, Elsa; De Giusti, Marisa Raquel; Alippi, Adriana Mónica; Ré, María Susana

    2001-01-01

    Se realizaron diferentes ensayos de campo y de laboratorio para valorar la efectividad de los aceites esenciales procedentes de lemongrass (pasto limón), tomillo, orégano y ajedrea, en la prevención y control de las infecciones de loque americana (AFB) en colmenas pobladas con Apis mellifera ligustica. Los valores de DL50 para las pruebas de toxicidad aguda oral en abejas adultas se calcularon comprobando que los aceites esenciales no fueran tóxicos. Se diseñaron dos experimentos de campo, du...

  9. A INFLUÊNCIA DO CAMPO MAGNÉTICO NA GERMINAÇÃO DE VEGETAIS

    OpenAIRE

    Fábio Henrique Silva Sales; Dayanna Gomes Santos; Luana Lopes Padilha

    2010-01-01

    Atualmente pesquisa-se e estuda-se bastante o fenômeno eletromagnético nas mais variadas áreas do conhecimento, desde os efeitos do campo magnético gerado por aparelhos celulares a pesquisas envolvendo campos magnéticos artificiais em vegetais e na Biofísica. Tudo isto porque o discurso do desenvolvimento auto-sustentável é o alvo do momento, utilizar os recursos do meio sejam eles vegetais ou animais, de forma consciente, de modo que as gerações futuras possam desfrutar dos mesmos assim como...

  10. Sistema portátil de medida de dispositivos sometidos a ensayos en campo

    OpenAIRE

    Ramírez Lapausa, Pablo

    2014-01-01

    El proyecto fin de carrera “Sistema Portátil de Medida de Dispositivos Sometidos a Ensayos en Campo” es un proyecto acometido para el desarrollo y evaluación de un sistema de medición portátil y confiable, que permita la realización de mediciones de curvas I-V en campo, en condiciones reales de funcionamiento. Dado que la finalidad de este proyecto fin de carrera es la obtención de un sistema para la realización de mediciones en campo, en la implementación del proyecto se tendrán como requ...

  11. Actual stage of organic geochemical knowledge from Campos and Espirito Santo basins, Brazil

    International Nuclear Information System (INIS)

    Campos and Espirito Santo basins display several similar geochemical aspects. The microbial and other degradation processes caused changes in the composition of the oils in the reservoir rocks. The oils are biodegraded in different degrees, with the reservoir temperature developing an important role in the control of the biodegradation process. The migration pathway model is similar for Campos and Espirito Santo basins, involving the upward secondary migration through a window in the evaporitic seals. The oils passed to the marine sequence where migration and accumulation were controlled by faults, regional unconformities and by reservoirs. The geochemical correlation of oils are realized by gaseous and liquid chromatography analysis, carbon isotopes and biolabelled compounds. (author)

  12. EFICIENCIA ENERGÉTICA EN EL CAMPO DEL FRÍO.

    OpenAIRE

    Domínguez Alonso, Manuel; García Rodríguez, Carmen; Arias Carrillo, José Maria

    2010-01-01

    Se analizan los consumos energéticos más importantes que se producen en el campo del frío, se discuten los factores que afectan en dicho campo a la eficiencia de energía y las principales medidas a realizar para aumentar la eficiencia energética. Se presta principal atención: al aislamiento térmico, a los factores de forma de los almacenes frigoríficos y a las edificaciones, a las horas del día de funcionamiento de las máquinas frigoríficas, a la capacidad de estas, y a la iner...

  13. María Zambrano e Cristina Campo: amicizia e destino

    Directory of Open Access Journals (Sweden)

    Adele Ricciotti

    2014-01-01

    Full Text Available Il presente saggio intende analizzare l'amicizia e la relazione intellettuale instauratasi tra María Zambrano e Cristina Campo durante la seconda metà degli anni Cinquanta a Roma, testimoniata dalle lettere scritte da Cristina Campo all'amica e pubblicate in Italia. La vicinanza del pensiero e del sentimento religioso che le caratterizza è senz'altro un motivo d'indagine. Questa importante corrispondenza è inoltre studiata in relazione alla filosofia di Simone Weil, figura mediatrice che unisce le due autrici.

  14. Barracuda, Caratinga oil field and surroundings: new exploratory and production field at Campos basin, Rio de Janeiro State, Brazil; Campos de Barracuda, Caratinga e adjacencias: novo polo exploratorio e de producao na Bacia de Campos, RJ

    Energy Technology Data Exchange (ETDEWEB)

    Martins, Celso Carlos; Guardado, Lincoln Rumenos; Moreira, Jobel L.Pinheiro; Esteves, Fernando R.; Andrade, Vander F.; Freitas, Luiz Carlos S.; Soares, Carlos M. [PETROBRAS, Rio de Janeiro, RJ (Brazil). Dept. de Exploracao

    1994-12-31

    Deep water Albacora and Marlim giant oil field were discovered by PETROBRAS in Campos basin during the 80`s. Deep water exploration was then increased, resulting in new 3 D seismic surveys aiming exploratory targets in the southern and southwestern part of the central producing trend of the basin. Since 1990, exploratory investment was concentrated in these areas and 18 exploratory wells have been drilled, resulting in 10 discoveries, grouped into five new oil fields: Salema (1990), Bijupira (1990), Barracuda (1990), RJS-424 Area (1993) and Caratinga (1994). (author) 5 refs., 9 figs.

  15. CO2 storage capacity of campos Basin’s oil field in Brazi

    NARCIS (Netherlands)

    Camboim Rockett, G.; Medina Ketzer, M.; Ramirez, C.A.; van den Broek, M.A.

    2013-01-01

    Large potentials for CO2 storage were demonstrated in previous studies in Brazil. This study aims to estimate the CO2 storage capacity in the Campos Basin , Southeast Brazil, in order to provide refined values to support CCS planning in the country. The results, based on field/reservoir level data s

  16. Trabajo de campo: seguridad en taludes y desniveles. II taller práctico

    OpenAIRE

    Bravo Domínguez, Pedro; Lamana Ballarín, Adela

    2012-01-01

    Cartel y presentación de 11 páginas con texto, fotos y esquemas - Segundo taller dedicado a la seguridad en los trabajos que tienen lugar en el campo y en las actividades de senderismo, celebrado el día 30 de octubre de 2012 en el Instituto Pirenaico de Ecología en Zaragoza.

  17. Reconfiguração de campo do familiar cuidador do portador de Alzheimer

    Directory of Open Access Journals (Sweden)

    Mariana Costa Brasil

    2013-12-01

    Full Text Available A doença de Alzheimer é uma enfermidade neurodegenerativa, progressiva e irreversível, de aparecimento insidioso, e com a evolução da doença seu portador perde a autonomia e precisa de um cuidador que lhe dedique total atenção. Diante deste contexto, este trabalho objetivou descrever e compreender como ocorre a reconfiguração de campo do familiar cuidador responsável pelo portador de Alzheimer. Para tanto, realizou-se uma pesquisa qualitativa, pautada na perspectiva fenomenológica e na teoria de campo, fundamento teórico da abordagem Gestáltica, e utilizou-se o método de Amedeo Giorgi. O estudo desenvolveu-se com três cuidadoras familiares de pacientes portadores de Alzheimer diagnosticados havia mais de seis meses. Encontraram-se quatro categorias que descrevem a reconfiguração do campo das cuidadoras: Assumindo a responsabilidade em cuidar; Mudanças na família; Rede de apoio social; e Estratégias de enfrentamento. Concluiu-se que o processo de reconfiguração do campo do familiar cuidador é longo e passa por diversas reestruturações dinâmicas e estruturais.

  18. Bit keskus. (Uuendusliku Tehnoloogia Keskus) Inca, Mallorca, Hispaania / Alberto Campo Baeza

    Index Scriptorium Estoniae

    Campo Baeza, Alberto

    1998-01-01

    High-tech büroo kolmnurksel krundil industriaalpargis. Krundi sisemuses suletud alal "salaaed" apelsinipuudega. Seintel ronivad aromaatse lõhnaga taimed: jasmiinid, vistaaria, viinapuud. Konkurss 1995, ehitus 1997-1998. Arhitekt Alberto Campo Baeza (koos: L. Ignacio Aguirre Lopez, Anton Garcia Abril, Antonio Perez Villegas)

  19. Handling of Solid Residues

    International Nuclear Information System (INIS)

    The topic of solid residues is specifically of great interest and concern for the authorities, institutions and community that identify in them a true threat against the human health and the atmosphere in the related with the aesthetic deterioration of the urban centers and of the natural landscape; in the proliferation of vectorial transmitters of illnesses and the effect on the biodiversity. Inside the wide spectrum of topics that they keep relationship with the environmental protection, the inadequate handling of solid residues and residues dangerous squatter an important line in the definition of political and practical environmentally sustainable. The industrial development and the population's growth have originated a continuous increase in the production of solid residues; of equal it forms, their composition day after day is more heterogeneous. The base for the good handling includes the appropriate intervention of the different stages of an integral administration of residues, which include the separation in the source, the gathering, the handling, the use, treatment, final disposition and the institutional organization of the administration. The topic of the dangerous residues generates more expectation. These residues understand from those of pathogen type that are generated in the establishments of health that of hospital attention, until those of combustible, inflammable type, explosive, radio-active, volatile, corrosive, reagent or toxic, associated to numerous industrial processes, common in our countries in development

  20. Optimized Combination of Residue Hydrodesulfurization and Residue Fluid Catalytic Cracking

    Institute of Scientific and Technical Information of China (English)

    Chen Junwu

    2003-01-01

    @@1 Introduction Combination of residue hydrodesulfurization (HDS) and resi-due fluid catalytic cracking (RFCC) is a unique technologyfor processing high-sulfur residue. This paper discusses theoptimized combination of these two processes.

  1. Caracterización geoestadística de esfuerzos en un campo de petróleo: caso de estudio campo cupiagua, colombia

    OpenAIRE

    LUIS HERNÁN SÁNCHEZ ARREDONDO; CARLOS DAVID MIRANDA RAMOS; VÍCTOR JÚNIOR VALLEJO DÍAZ

    2011-01-01

    El objetivo de este trabajo es la estimación del azimut del esfuerzo mínimo horizontal (AEMH) en la zona Norte del campo Cupiagua, localizado en el Piedemonte Llanero, usando como herramienta fundamental la geoestadística. La metodología para el tratamiento de los datos consistió en la conversión de los valores azimutales (variables circulares) a datos numéricos mediante los senos directores con el fi n de evitar incompatibilidades en la medida del error. El análisis geoestadístico mostró que...

  2. Fisica y vida cotidiana

    CERN Multimedia

    Méndez, R

    2002-01-01

    "Estaba harto de escuchar lo dificil que es ensenar fisica, interesar a los alumnos en gases, tiros parabolicos y campos magneticos. Por eso el profesor de Fisica de la Universidad de Murcia Rafael Garcia Molina decidio hace cinco anos dejar sin argumentos a sus colegas. Comenzo la busqueda de juguetes, regalos y objetos cotidianos para explicar la fisica" (1 page).

  3. Los campos fantasmas en la renormalización de un modelo Lagrangiano t-J

    Directory of Open Access Journals (Sweden)

    Oscar P. Zandron

    2011-01-01

    Full Text Available En presente trabajo hemos tratado el rol de los campos fantasmas en el proceso de renormalización del formalismo Lagrangiano perturbativo para un modelo t-J. Mostramos que con la incorporación de campos fantasmas apropiados en los propagadores y vértices de la teoría, la misma puede ser renormalizada a todo orden. Esto se pone en evidencia en el estudio detallado de la renormalización del propagador ferromagnético del magnón, mostrando el ablandamiento térmico de la frecuencia. También hemos analizado el caso antiferromagnético, y estos resultados fueron confrontados con estudios previos en teorías del "spin-polarón".

  4. La Neurociencia Computacional hoy: II. El Proyecto Blue Brain, un ejemplo muy representativo en el campo

    Directory of Open Access Journals (Sweden)

    Jesús Cortés

    2009-01-01

    Full Text Available La Neurociencia Computacional es un campo reciente, pero bien establecido dentro de las Neurociencias. En un primer artículo (Cortés, 2009, http://www.cienciacognitiva.org/?p=55, “Qué es y por qué es difícil su estudio”, explico su principal paradigma: todo proceso mental que tiene lugar en nuestro cerebro tiene un circuito o cableado físico que lo sustenta. En este artículo comento un ejemplo muy representativo en el campo: el macro-proyecto de simulación a gran escala y en tiempo real de procesos en la corteza cerebral, el famoso Blue Brain Project.

  5. Vascular plant community composition from the campos rupestres of the Itacolomi State Park, Brazil

    Directory of Open Access Journals (Sweden)

    Markus Gastauer

    2015-02-01

    Full Text Available Campos rupestres are rare and endangered ecosystems that accommodate a species-rich flora with a high degree of endemism. Here, we make available a dataset from phytosociological surveys carried out in the Itacolomi State Park, Minas Gerais, southeastern Brazil. All species in a total of 30 plots of 10 x 10 m from two study sites were sampled. Their cardinality, a combination of cover and abundance, was estimated. Altogether, we registered occurrences from 161 different taxa from 114 genera and 47 families. The families with the most species were Poaceae and Asteraceae, followed by Cyperaceae. Abiotic descriptions, including soil properties such as type, acidity, nutrient or aluminum availability, cation exchange capacity, and saturation of bases, as well as the percentage of rocky outcrops and the mean inclination for each plot, are given. This dataset provides unique insights into the campo rupestre vegetation, its specific environment and the distribution of its diversity.

  6. Seed storage-mediated dormancy alleviation in Fabaceae from campo rupestre

    Directory of Open Access Journals (Sweden)

    Naïla Nativel

    2015-09-01

    Full Text Available ABSTRACTWe studied the effects of seed storage on germination and dormancy alleviation in three species of Fabaceae endemic to campo rupestrein southeastern Brazil. Fresh seeds of Collaea cipoensis, Mimosa maguirei and Mimosa foliolosawere set to germinate and germination of seeds after four, five and 13 years of storage was tested. Seed viability was maintained for all species after the full storage period. Seed storage significantly increased germination percentage and decreased germination time for C. cipoensisand M. foliolosa, suggesting the alleviation of physical dormancy with storage. However, we did not find evidence of dormancy alleviation in M. maguirei since stored seeds showed a decrease in germination in comparison to that of fresh seeds. Our data indicate species-specific storage-mediated dormancy alleviation, which will have important implications for restoration of campo rupestre.

  7. Los Estudios Organizacionales. Un campo de conocimiento comprensivo para el estudio de las organizaciones

    Directory of Open Access Journals (Sweden)

    Diego René Gonzales-Miranda

    2014-09-01

    Full Text Available El presente artículo es un texto introductorio para comprender qué son los Estudios Organizacionales. Además, se realiza una contextualización histórica de los Estudios Organizacionales, para luego discutir sus dimensiones ontológicas, epistemológicas y metodológicas, así como su objeto de estudio y los marcos teóricos que se inscriben en este campo de conocimiento. Asimismo, se destacan su carácter pluridisciplinario y su postura crítica como características propias. El artículo termina con una reflexión en torno a las posibilidades que tienen de ser un complemento para la formación en Administración y la importancia de divulgar este campo de conocimiento comprensivo para el estudio de las organizaciones en América Latina.

  8. Uma abordagem sociológica da sociologia: a ciência como campo

    Directory of Open Access Journals (Sweden)

    Vívian Matias dos Santos

    2012-03-01

    Full Text Available O presente ensaio objetiva analisar como o conceito de campo de Pierre Bourdieu pode contribuir para uma abordagem sociológica da Sociologia. A discussão desdobra-se desde a reflexão mais geral de como se firma a ciência até as possibilidades de compreensão da Sociologia neste espaço. Para tanto, fez-se necessário abordar o “campo científico” por meio das relações entre sua estrutura e seus agentes - relações “multidimensionais” que podem representar uma exitosa tentativa de superação da dicotomia ação/estrutura; indivíduo/sociedade; micro e macroteorização.

  9. Radiación sincrotronica en un campo magnético dipolar

    Directory of Open Access Journals (Sweden)

    J. Bonatti

    2016-03-01

    Full Text Available Se estudia la variación de la energía emitida por un electrón en una transición entre los niveles de Landau Ni=1 a Nf=0 en un campo magnético dipolar fuerte. Se toma como primera aproximación la dependencia funcional del campo  B=r3*(r*+z-3 Bsup. para representar a éste cerca de los polos en la superficie de una estrella de neutrones y se analiza la variación de la energía emitida para esa trasmisión en función de la altitud.

  10. Influência do campo eletromagnético no comportamento de cupins de madeira seca (Cryptotermes brevis)

    OpenAIRE

    Giovanella, Rodrigo

    2013-01-01

    Resumo: Este trabalho teve como objetivo determinar a relação e influência do campo eletromagnético sobre o organismo de cupins da espécie Cryptotermes brevis, ordem Isoptera, família Kalotermitidae, tendo como base o funcionamento fisiológico de seus sistemas. Para isto diferentes cupins foram submetidos a um campo eletromagnético máximo sob distintas temperaturas ambientes para avaliar a relação deste campo com o potencial elétrico biológico (teoria envolvida no desenvolvimento da equação d...

  11. Management of NORM Residues

    International Nuclear Information System (INIS)

    The IAEA attaches great importance to the dissemination of information that can assist Member States in the development, implementation, maintenance and continuous improvement of systems, programmes and activities that support the nuclear fuel cycle and nuclear applications, and that address the legacy of past practices and accidents. However, radioactive residues are found not only in nuclear fuel cycle activities, but also in a range of other industrial activities, including: - Mining and milling of metalliferous and non-metallic ores; - Production of non-nuclear fuels, including coal, oil and gas; - Extraction and purification of water (e.g. in the generation of geothermal energy, as drinking and industrial process water; in paper and pulp manufacturing processes); - Production of industrial minerals, including phosphate, clay and building materials; - Use of radionuclides, such as thorium, for properties other than their radioactivity. Naturally occurring radioactive material (NORM) may lead to exposures at some stage of these processes and in the use or reuse of products, residues or wastes. Several IAEA publications address NORM issues with a special focus on some of the more relevant industrial operations. This publication attempts to provide guidance on managing residues arising from different NORM type industries, and on pertinent residue management strategies and technologies, to help Member States gain perspectives on the management of NORM residues

  12. Propuesta didáctica para el desarrollo de nociones enmarcadas dentro del campo conceptual multiplicativo

    OpenAIRE

    Dueñas, María Fernanda; Hernández, Lady Jahine; Prieto, Oscar

    2004-01-01

    El presente artículo tiene como objetivo dar a conocer una propuesta de unidad didáctica entorno al desarrollo de nociones enmarcadas dentro del campo conceptual multiplicativo tales como: razón y proporción, a partir de la resolución de problemas de tipo multiplicativo que permitan potenciar el desarrollo del pensamiento numérico.

  13. Nefrectomia videolaparoscópica em Graxaim-do-campo (Pseudalopex gymnocercus com displasia renal

    Directory of Open Access Journals (Sweden)

    João P.S. Feranti

    2014-08-01

    Full Text Available Graxains-do-campo habitam o centro-leste da América do Sul, desde o sudeste do Brasil e leste da Bolívia. A displasia renal compreende um espectro de anomalias e é frequentemente relatada em cães de diversas raças, sendo a maioria dos relatos achados de necropsia. A maior parte das doenças renais congênitas nos cães apresenta caráter progressivo, portanto o tratamento é limitado e direcionado a fim de retardar a progressão da doença renal estabelecida. No presente relato é descrita a realização de nefrectomia laparoscópica em graxaim-do-campo (Pseudalopex gymnocercus com displasia renal. Suspeitou-se de doença no rim direito por meio de ultrassonografia e urografia excretora. Para o procedimento cirúrgico foram utilizados três portais (10, 10, 5mm, endoscópio rígido de 10mm/0(0 e clipes para hemostasia dos vasos renais. A técnica cirúrgica utilizada neste canídeo selvagem foi semelhante à usada em cão doméstico, devido à escassez de relatos em cirurgias em graxaim e a inexistência de descrições de nefrectomia videolaparoscópica em graxaim-do-campo. O animal foi acompanhado por um período de 30 dias pós-cirurgia sem a ocorrência de complicações. O presente relato demonstra que a técnica proposta foi adequada para a realização de nefrectomia videolaparoscópica em Graxaim-do-campo.

  14. Raptors and "campo-cerrado" bird mixed flock led by Cypsnagra Hirundinacea (Emberizidae:Thraupinae)

    OpenAIRE

    RAGUSA-NETTO J.

    2000-01-01

    Bird mixed flocks including Cypsnagra hirundinacea and Neothraupis fasciata as species with sentinels were studied in "campo-cerrado" in order to investigate the possible relationship between alertness and the mixed flock leadership. This study was conducted from March to September 1996 and mixed flocks were observed on average for 2:30h. The time with sentinels were recorded for C. hirundinacea and N. fasciata. The sentinels of Cypsnagra hirundinacea performed most of the vigilance (time wit...

  15. Salida de campo por Valladolid el 4 de noviembre de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo, probablemente por Valladolid capital, el 4 de noviembre de 1953, de la que únicamente se conservan dos ilustraciones a lapicero de un macho de Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero). Field trip, possibly through the city of Valladolid, the 4th of November of 1953, of which the only preserved documents are two pencil illustration of a Falco peregrinus (Peregrine Falcon).

  16. Preliminary statistical studies concerning the Campos RJ sugar cane area, using LANDSAT imagery and aerial photographs

    Science.gov (United States)

    Parada, N. D. J. (Principal Investigator); Costa, S. R. X.; Paiao, L. B. F.; Mendonca, F. J.; Shimabukuro, Y. E.; Duarte, V.

    1983-01-01

    The two phase sampling technique was applied to estimate the area cultivated with sugar cane in an approximately 984 sq km pilot region of Campos. Correlation between existing aerial photography and LANDSAT data was used. The two phase sampling technique corresponded to 99.6% of the results obtained by aerial photography, taken as ground truth. This estimate has a standard deviation of 225 ha, which constitutes a coefficient of variation of 0.6%.

  17. The archaeological context of Levantine rock Art in Campo de Hellín (Albacete

    Directory of Open Access Journals (Sweden)

    Gabriel GARCÍA ATIÉNZAR

    2012-03-01

    Full Text Available This work explores the knowledge of human settlement and the Levantine rock Art in a specific geographical context. The spatial reading of these elements allows to present hypotheses on human communities that occupied lands of the Campo de Hellín (Albacete during the first phases of Holocene and how they built a landscape that reflects their social, economic and symbolic needs.

  18. Salida de campo a Traspinedo (Valladolid) el 4 de septiembre de 1952

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Traspinedo (Valladolid) el 4 de septiembre de 1952, de la que se anotaron observaciones sobre Pseudochondrostoma sp. (Boga), sapos (posiblemente, el Sapo común, Bufo bufo), los siguientes reptiles: Blanus cinereus (Culebrilla ciega, también llamado Eslabon), Lagartija (sin identificar la especie), Natrix maura (Culebra viperina, llamada Tropidonotus viperinus por el autor) y Vipera sp. (Víbora)los siguientes mamíferos: Ardilla (pudiendo ser Sciurus vulgaris o Atlantoxerus ge...

  19. Rhinolophoidea (Chiroptera, Mammalia) from the Upper Oligocene of Carrascosa del Campo (Central Spain)

    OpenAIRE

    Sevilla, Paloma

    1990-01-01

    For the first time in Spain, an Oligocene bat fauna is described from thee alluvial locality of Carrascosa del Campo. Four species are present: two belong to Hipposideros (Pseudorhinolophus) another to Rhinolophus and a fourth one to Megadenna. Three new species are described : Hipposideros (Pseudorhinolophus) minor nov. sp., Hipposideros (Pseudorhinolophus) conquensis nov. sp. and Megaderma lopezae nov. sp .. Hipposideros (Ps.) minor nov. sp. is closely relaled to Hipposideros (P...

  20. Evoluzione di micotossine regolate ed emergenti attraverso i processi alimentari: dal campo alla digestione

    OpenAIRE

    Generotti, Silvia

    2016-01-01

    Nel presente lavoro di tesi sono stati studiati diversi aspetti riguardanti micotossine regolate ed emergenti al fine di fornire informazioni circa la loro mitigazione dal campo al prodotto finito, focalizzando l’attenzione sul potenziale impatto del processo tecnologico. Successivamente, il loro ruolo tossicologico, ancora in discussione, è stato indagato attraverso l’applicazione di modelli gastrointestinali. In particolare, lo studio è stato rivolto a DON, micotossina più comune nel grano,...

  1. Urban forest and environmental inequality in Campos dos Goytacazes, Rio de Janeiro, Brazil

    DEFF Research Database (Denmark)

    Silva, Victor; Pedlowski, Marcos; Heynen, Nikolas

    2002-01-01

    Social and spatial inequality regarding environmental resources and services is one of most complex issues affecting contemporary urban life. The objective of this research is to study the spatial distribution of trees in public areas in Campos dos Goytacazes, Rio de Janeiro, Brazil. This research...... and education levels of the population seem to play a more causal on tree quantity and species diversity. This inequality stresses a problem with environmental justice, a characteristic of Brazilian cities intrinsically connected to urban sustainability....

  2. Origen de la gran industria en la comarca del Campo de Gibraltar

    Directory of Open Access Journals (Sweden)

    María José Foncubierta Rodríguez

    2010-11-01

    Full Text Available Cuando en la década de los sesenta se pusieron en marcha los Planes Nacionales de Desarrollo, la comarca del Campo de Gibraltar vivía una situación de pobreza y de analfabetismo, caracterizada por la servidumbre de su población al uso militar de gran parte de su territorio, y a la presencia de la colonia británica de Gibraltar. La calificación como Zona de Preferente Localización Industrial, hizo que en el Arco de la Bahía de Algeciras se instalara un conjunto de grandes empresas que han transformado sensiblemente la comarca, en términos de empleo, económicos e incluso de cualificación de los ciudadanos. Palabras-clave: Grandes industrias, Campo de Gibraltar, Planes de Desarrollo, Bahía de Algeciras.___________________________ABSTRACT:When in the sixties are launched the National Development Plans, in order to avoid regional imbalance, the region of Campo de Gibraltar suffered a socio-economic situation of poverty and illiteracy, which was characterized by the easement to military use of its territory, and the presence of the British colony of Gibraltar. Its classification as Industrial Location Preferred Zone was the cause of a set of large companies to be installed at the Bay of Algeciras, which have significantly transformed the situation in this area, in terms of employment, economy, and even their people´s qualification.Keywords: Large industries, Campo de Gibraltar, Development Plans, Bay of Algeciras

  3. Teoría de campos fuera del equilibrio y cosmología

    OpenAIRE

    Cao García, Francisco Javier

    2001-01-01

    En este trabajo se investiga la dinamica cuantica de los campos para sistemas fuera del equilibrio con densidad de energia no perturbativamente grande. Las principales aplicaciones de los resultados son las colisiones ultrarelativistas de iones pesados y los procesos a alta densidad de energia en el Universo. Se calcula la dinamica usando las ecuaciones de evolucion en el limite de N grande, y se obtienen soluciones analiticas para varios regimenes. Se muestra que la dinamica esta caracteriza...

  4. El proceso de selección natural en el campo social del ballet en Cuba

    Directory of Open Access Journals (Sweden)

    Hamlet Betancourt León

    2010-09-01

    Full Text Available El campo del ballet es un sistema social conflictivo donde se manifiesta gran competitividad -reflejada en continuas selecciones sociales y naturales- para cumplimentar la fantasía de todos los bailarines: bailar públicamente. El objetivo de esta investigación es demostrar la pertinencia del supuesto teórico darwinista de selección natural en la discriminación de belleza escénica de la figura del bailarín en el sistema piramidal de selección, formación y desempeño profesional del campo cubano del ballet. El campo del ballet se registra fácticamente en instituciones culturales pobladas por individuos que persiguen cotidianamente crear bailarines profesionales aptos -primera condición es ser revolucionario- que representen internacionalmente a la Revolución Cubana. El campo se estructura en un sistema piramidal de selección, formación y desempeño de bailarines profesionales que rige sus prácticas principales de exclusión/inclusión -puntos de corte- por el principio darwinista de selección natural. Los exámenes de capacidades físicas de ingreso y pase de nivel a la enseñanza de nivel medio y la aceptación a la compañía profesional Ballet Nacional de Cuba conforman los puntos de corte del sistema piramidal. Estos contienen prácticas sociales que valoran -empírica, pero sistemáticamente- las características morfo-funcionales de los participantes interesados respecto al deber ser del canon artístico de figura, para seleccionar siempre a los más bellos, los más aptos, bailarines de ballet.

  5. Morphogenetic characteristics in Tanzania grass conhsorted with Stylosanthes Campo Grande or fertilized with nitrogen under grazing

    OpenAIRE

    Túlio Otávio Jardim D'Almeida Lins; Ulysses Cecato; Alyson Andrade Pinheiro; Bruno Shigueo Iwamoto; Alexandre Krutzmann; Tatiane Beloni; Robério Rodrigues Silva

    2015-01-01

    This study aimed to study morphogenic and structural characteristics of Tanzania grass (Panicum maximum cv. Tanzania) intercropped with Estilosantes Campo Grande (Stylosanthes capitata and Stylosanthes macrocephala) or fertilized with nitrogen. The pasture was managed under continuous stocking and variable stocking rate. Were used a randomized complete blocks with split plots and three replications. The treatments were: Tanzania grass + Stylosanthes; Tanzania grass + 75 Kg N.ha. year-1; Tanza...

  6. Moral y cotidianidad en los campos de concentración del nacismo .

    Directory of Open Access Journals (Sweden)

    José Luis Anta Félez

    2004-11-01

    Full Text Available A través de una fotografía tomada en el Campo de concentración de Dachau se dan vueltas, por un lado, a los temas más clásicos del funcionamiento interno de los Lager y, por otro, se reflexiona sobre la banalidad del mal y las múltiples caras que este toma.

  7. El trabajo de campo: clave en la investigación cualitativa

    Directory of Open Access Journals (Sweden)

    Virginia Inés Soto-Lesmes

    2010-01-01

    Full Text Available Objetivo: destacar la experiencia de la inserción al campo no sólo como la forma de recolectar información y determinar la calidad de los datos en que se basan los hallazgos, análisis y conclusiones, sino, también como elemento integrador del proceso de investigación que permita realizar una lectura de la realidad más específica. Método: a través de la investigación Experiencias de las adolescentes embarazadas en la localidad de Kennedy en la ciudad de Bogotá. Deseando el embarazo pero no tan pronto, se describen el estudio cualitativo y los antecedentes de la investigación, y se presentan las fases propias de la inserción. Conclusión: como método, la inserción al campo trasciende el acceso al dato; exige una acción dialéctica entre la teoría y la práctica, ya que el trabajo de campo requiere una formación teórico-metodológica y, al mismo tiempo, se sustenta en diversas técnicas y herramientas para la investigación.

  8. Residual Component Analysis

    CERN Document Server

    Kalaitzis, Alfredo A

    2011-01-01

    Probabilistic principal component analysis (PPCA) seeks a low dimensional representation of a data set in the presence of independent spherical Gaussian noise, Sigma = (sigma^2)*I. The maximum likelihood solution for the model is an eigenvalue problem on the sample covariance matrix. In this paper we consider the situation where the data variance is already partially explained by other factors, e.g. covariates of interest, or temporal correlations leaving some residual variance. We decompose the residual variance into its components through a generalized eigenvalue problem, which we call residual component analysis (RCA). We show that canonical covariates analysis (CCA) is a special case of our algorithm and explore a range of new algorithms that arise from the framework. We illustrate the ideas on a gene expression time series data set and the recovery of human pose from silhouette.

  9. Residual-stress measurements

    Energy Technology Data Exchange (ETDEWEB)

    Ezeilo, A.N.; Webster, G.A. [Imperial College, London (United Kingdom); Webster, P.J. [Salford Univ. (United Kingdom)

    1997-04-01

    Because neutrons can penetrate distances of up to 50 mm in most engineering materials, this makes them unique for establishing residual-stress distributions non-destructively. D1A is particularly suited for through-surface measurements as it does not suffer from instrumental surface aberrations commonly found on multidetector instruments, while D20 is best for fast internal-strain scanning. Two examples for residual-stress measurements in a shot-peened material, and in a weld are presented to demonstrate the attractive features of both instruments. (author).

  10. Sharing Residual Liability

    DEFF Research Database (Denmark)

    Carbonara, Emanuela; Guerra, Alice; Parisi, Francesco

    2016-01-01

    Economic models of tort law evaluate the efficiency of liability rules in terms of care and activity levels. A liability regime is optimal when it creates incentives to maximize the value of risky activities net of accident and precaution costs. The allocation of primary and residual liability...... allows policy makers to induce parties to undertake socially desirable care and activity levels. Traditionally, tort law systems have assigned residual liability either entirely on the tortfeasor or entirely on the victim. In this paper, we unpack the cheapest-cost-avoider principle to consider...

  11. Residues of Chern classes

    OpenAIRE

    Suwa, Tatsuo; 諏訪, 立雄

    2003-01-01

    If we have a finite number of sections of a complex vector bundle E over a manifold M, certain Chern classes of E are localized at the singular set S, i.e., the set of points where the sections fail to be linearly independent. When S is compact, the localizations define the residues at each connected component of S by the Alexander duality. If M itself is compact, the sum of the residues is equal to the Poincaré dual of the corresponding Chern class. This type of theory is also developed for ...

  12. Residues of Chern classes

    OpenAIRE

    Suwa, Tatsuo

    2003-01-01

    If we have a finite number of sections of a complex vector bundle $E$ over a manifold $M$ , certain Chern classes of $E$ are localized at the singular set $S$ , i.e., the set of points where the sections fail to be linearly independent. When $S$ is compact, the localizations define the residues at each connected component of $S$ by the Alexander duality. If $M$ itself is compact, the sum of the residues is equal to the Poincaré dual of the corresponding Chern class. This type of theory is als...

  13. Plantas medicinais comercializadas no Mercado Municipal de Campo Grande-MS Commercialized medicinal plants in the Mercado Municipal of Campo Grande-MS

    Directory of Open Access Journals (Sweden)

    Mirella Ustulin

    2009-09-01

    Full Text Available O objetivo do presente trabalho foi realizar um levantamento etnofarmacológico das principais espécies vegetais comercializadas no Mercado Municipal de Campo Grande (MS. O estudo foi realizado entre agosto de 2002 e agosto de 2003, através de entrevistas com os raizeiros. Cerca de 117 espécies foram citadas. Foram selecionadas as plantas dos biomas Cerrado e Pantanal e dessas 34 espécies foram adquiridas. Das plantas adquiridas 22 foram identificadas botanicamente, pois o material das outras foi deficiente para determinação até espécie. Das plantas identifificadas, somente dez são típicas do cerrado, podendo-se citar a Curatella americana, Guazuma ulmifolia, Maclura tinctoria e Stryphnodendron obovatum. A família com o maior número de citação foi Asteraceae, seguida de Moraceae, Sterculiaceae e Leguminosae. A parte das plantas mais utilizada é a folha, preparada principalmente como infusão. A indicação terapêutica mais citada foi como cicatrizante, no tratamento de feridas e dores reumáticas. Grande parte das espécies têm indicação de utilização popular para várias patologias e a maioria das espécies (65,2% não teve qualquer estudo farmacológico que confirmasse a indicação popular. Somente oito espécies (34,8% tiveram alguma atividade confirmada na literatura.The aim of this paper was the survey of the medicinal plants most used from Campo Grande population and commercialized in the Mercado Municipal of Campo Grande, Mato Grosso do Sul, Brazil. The survey was performed in 2002 and 2003 by interviewing and revealed 117 species. Thirty four species were acquired, and of those 22 were identified. Of those ten are only typical of the Cerrado, like as: Curatella americana, Guazuma ulmifolia, Maclura tinctoria, Stryphnodendron obovatum etc. The most mentioned families were Asteraceae, Moraceae, Sterculiaceae and Leguminosae. The most used part of the plant is the leaf, mainly prepared as infusion. These folk

  14. Ocorrência de Ixodes loricatus Neumann, 1899 (Acari: Ixodidae) parasitando Didelphis albiventris (Lund, 1841), (Didelphimorphia: Didelphidae), em Campo Grande, MS Occurrence of Ixodes loricatus Neumann, 1899 (Acari: Ixodidae) parasitizing Didelphis albiventris (Lund, 1841) (Didelphimorphia: Didelphidae) in Campo Grande , MS

    OpenAIRE

    Soraya R. Miziara; Fernando Paiva; Renato Andreotti; Wilson W. Koller; Vinicius A. Lopes; Nara T. Pontes; Klaudia Bitencourt

    2008-01-01

    Este é primeiro relato da ocorrência de Ixodes no Estado do Mato Grosso do Sul e primeiro caso identificado de Ixodes loricatus Neumann, 1899, parasitando Didelphis albiventris no município de Campo Grande, MS, Brasil.This is first report of occurence of Ixodes in the State of Mato Grosso do Sul and first description of Ixodes loricatus Neumann, 1899, parasitizing Didelphis albiventris in Campo Grande, MS, Brazil.

  15. Efeito residual do lodo de esgoto na produtividade do milho safrinha Residual effect of sewage sludge on off-season corn yield

    OpenAIRE

    Graziela Moraes de Cesare Barbosa; João Tavares Filho; Osmar Rodrigues Brito; Inês Cristina Batista Fonseca

    2007-01-01

    Das opções de disposição final do lodo de esgoto, a reciclagem agrícola tem sido uma das mais utilizadas em diversos países desenvolvidos, sendo considerada a forma mais adequada em termos técnicos, econômicos e ambientais. Este trabalho teve por objetivo avaliar o efeito residual do lodo de esgoto na produtividade do milho safrinha, após dois anos de aplicação consecutiva desse resíduo em um Latossolo Vermelho eutroférrico. O experimento foi realizado em campo, em delineamento em blocos ao a...

  16. Glucose consume and growth of E. coli under electromagnetic field Consumo de glicose e crescimento de E. coli submetida a campo eletromagnético

    Directory of Open Access Journals (Sweden)

    Luiz F.C. Nascimento

    2003-04-01

    Full Text Available E. coli was submitted to a 5G electromagnetic field generated by a alternate 60 Hz voltage source. The differences on growth and glucose consume in control and exposed groups were evaluated using the non-parametric Mann-Whitney U-test. There was a significant difference in glucose consume and growth in E. coli after 8 hours of exposition to electromagnetic field. It can be concluded that electromagnetic field had a positive effect in consume of glucose and growth of E. coli. The cause of these results can be explained by an increasing of glucose entrance through membrane due to the stimulated transport system via Facility Diffusion or cyclotron resonance. The growth can be caused by shortening of lag phase and excitement of log phase.E. coli,em caldo glicosado,foi submetida a campo eletromagnético de intensidade 5G, gerado por fonte de tensão alternada de 60 Hz . Os crescimento e consumo de glicose foram avaliados através do teste não-paramétrico de Mann-Whitney para comparação de dois grupos. Após 8 h de exposição encontraram-se menor valor da glicose residual e maior turbidez nos tubos expostos ao campo evidenciando efeito positivo deste. A causa deste efeito no consumo da glicose pode ser pela estimulação de sistema de transporte de glicose, como a Difusão Facilitada ou por um tipo de fenômeno chamado ressonância ciclotrônica. O aumento do crescimento pode ser pelo encurtamento da lag phase e estimulação da log phase.

  17. Residual stresses within sprayed coatings

    Institute of Scientific and Technical Information of China (English)

    JIANG Yi; XU Bin-shi; WANG Hai-dou

    2005-01-01

    Some important developments of residual stress researches for coating-based systems were studied. The following topics were included the sources of residual stresses in coatings: error analysis of Stoney's equation in the curvature method used for the measurement of coating residual stress, the modeling of residual stress and some analytical models for predicting the residual stresses in coatings. These topics should provide some important insights for the fail-safe design of the coating-based systems.

  18. Co-pyrolsis of polyethylene waste with the Campos basin heavy oil; Co-pirolise de residuos de polietileno com gasoleo pesado da Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Carneiro, Debora da S.; Marques, Monica R. da C. [Laboratorio de Tecnologia Ambiental, UERJ, Rio de Janeiro, RJ (Brazil)], e-mail: monica@pesquisador.cnpq.br

    2011-07-01

    In this study, four mixtures of LDPE post consumer with heavy gas from the Campos Basin, in different proportions, were subjected to pyrolysis in an inert atmosphere at 550 deg C. The pyrolytic liquids were characterized by gas chromatography coupled to mass spectrometry (GC/MS). Pyrolysis of pure diesel supplied large amounts of waste oil and only 4% in the range of diesel. On the other hand, the pyrolysis of LDPE mixture of diesel (at the ratio 1/0,5 m/m) provided 20% of light hydrocarbons with high production of pyrolytic oil (96%). The formation of high levels of paraffins and olefins in the range of diesel oil during the co-pyrolysis suggests a promising technology for recycling of plastic waste. (author)

  19. PETROBRAS and social responsibility: the artificial reefs project in Campos Basin, Brazil; PETROBRAS e responsabilidade social: a instalacao de recifes artificiais na Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Cortegiano, Adriana de Santa Marinha Pastorino de Almeida

    2004-07-01

    This article focus on an innovative project launched by PETROBRAS with the main purpose of minimizing the impacts of drilling activities in Campos Basin, over the fishery industry in the northeast region of Rio de Janeiro. This project is seen as a relevant part of PETROBRAS' corporate social responsibility actions. In this sense, it is supposed to consider the interests of all parts directly and indirectly related and affected by the companies' intervention. The major conclusion is that the project could be an important first step to restructure the fishery sector an to harmonize the 'sea users'. A potential improvement could be the promotion of a more effective participation of fishermen in the project and the inclusion of the social and environmental dimensions. (author)

  20. Percentile residual life orders

    OpenAIRE

    Franco Pereira, Alba M.; Lillo, Rosa E.; Romo, Juan; Shaked, Moshe

    2011-01-01

    In this paper we study a family of stochastic orders of random variables defined via the comparison of their percentile residual life functions. Some interpretations of these stochastic orders are given, and various properties of them are derived. The relationships to other stochastic orders are also studied. Finally, some applications in reliability theory and finance are described.

  1. Designing with residual materials

    NARCIS (Netherlands)

    Walhout, W.; Wever, R.; Blom, E.; Addink-Dölle, L.; Tempelman, E.

    2013-01-01

    Many entrepreneurial businesses have attempted to create value based on the residual material streams of third parties. Based on ‘waste’ materials they designed products, around which they built their company. Such activities have the potential to yield sustainable products. Many of such companies r

  2. High-frequency paleobathymetry oscillations in the Campos Basin driven by orbital cycles; Oscilacoes paleobatimetricas de alta frequencia induzidas por ciclos orbitais na Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Barbosa, Valquiria Porfirio [Universidade Federal do Amazonas (UFAM). Inst. de Ciencias Exatas. Dept. de Geociencias (Brazil); Cunha, Armando Antonio Scarparo [Unidade de Operacoes de Exploracao e Producao da Amazonia, Exploracao, Gerencia de Sedimentologia e Estratigrafia (Brazil)], e-mail: scarparo@petrobras.com.br; Shimabukuro, Seirin [Centro de Pesquisas da Petrobras (CENPES). P e D em Geociencias, Gerencia de Bio-Estratigrafia e Paleoecologia (Brazil)], e-mail: seirin@petrobras.com.br; Gamboa, Luiz Antonio Pierantoni [Universidade Federal Fluminense (UFF), Niteroi. RJ (Brazil). Centro de Estudos Gerais. Inst. de Geociencias], e-mail: luizgamboa@gmail.com

    2010-05-15

    An integrated paleoecological, biostratigraphic and cyclostratigraphic study was carried out on sedimentary rhythm sequences in the Oligocene-Miocene of the Campos Basin, Brazil. The bio stratigraphic data combined with the spectral analysis performed on numerical data based on carbonate content variations of cores from well A, Campos Basin, reveal a periodicity related to the Milankovitch cycles. Benthic foraminiferal biofacies oscillations recognized in these cores have the same frequency and phase of long eccentricity cycles (400 Ka). Paleoceanographic changes (such as changes in ocean currents, water temperature and food supply) can modify the distribution and frequency patterns of foraminifera assemblages. However, the method used to interpret the biofacies, the geological context of the studied area and the proposed genetic model to explain the origin of these rhythmically patterned rocks, suggest that changes in foraminiferal biofacies are directly related to the paleobathymetry variations induced by glacio-eustatic oscillations of relative sea level . According to the proposed model, productivity-dilution cycles were instrumental in the origin of these marl-limestone couplets. During regressive phases, conditions were established to increase continental runoff to a bathyal setting. The increase of continental runoff with decrease of contribution of the main carbonate components led to the deposition of marlstone. During the transgressive phase, the relative reduction in clay input from continental sediments, favored a productivity growth of pelagic carbonate (calcareous nannofossil and planktonic foraminifera), which created conditions facilitating the deposition of limestone layers. The paleobathymetry oscillations, interpreted from the benthic foraminifera assemblage, and the formation of couplets, seems to be in phase with the transgressive-regressive cycles indicating a common cause to both processes. (author)

  3. CARACTERIZACIÓN GEOESTADÍSTICA DE ESFUERZOS EN UN CAMPO DE PETRÓLEO: CASO DE ESTUDIO CAMPO CUPIAGUA, COLOMBIA

    Directory of Open Access Journals (Sweden)

    LUIS HERNÁN SÁNCHEZ ARREDONDO

    2011-01-01

    Full Text Available El objetivo de este trabajo es la estimación del azimut del esfuerzo mínimo horizontal (AEMH en la zona Norte del campo Cupiagua, localizado en el Piedemonte Llanero, usando como herramienta fundamental la geoestadística. La metodología para el tratamiento de los datos consistió en la conversión de los valores azimutales (variables circulares a datos numéricos mediante los senos directores con el fi n de evitar incompatibilidades en la medida del error. El análisis geoestadístico mostró que la variabilidad espacial de los datos son concurrentes con un efecto pepita de 0.0017 más un modelo exponencial con meseta igual a 0.0087 y rango de infl uencia de 7874 pies. La dirección del AEMH, estimada por el método de kriging ordinario de bloques, indicó que los valores AEMH varían entre 11º-65º, con un valor promedio de 34º, mientrasque el error de estimación varía entre 2° y 7°. Los resultados obtenidos permitieron diferenciar dos campos de orientación de esfuerzos mínimos horizontales: uno al norte, donde el AEMH tiende a valores inferiores a 40º y representan el 75% de los datos estimados; mientras que el 25% de los datos restantes, superan los valores obtenidos en el norte, debido probablemente a una mayor complejidad estructural de la zona.

  4. Modeling and identification of new complementary development opportunities in a Campos Basin offshore giant field; Modelagem e identificacao de novas oportunidades de desenvolvimento complementar de um campo gigante na Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Gomes, Jose Adilson T.; Steagall, Daniel E.; Lorenzatto, Rudimar Andreis [PETROBRAS, Rio de Janeiro, RJ (Brazil)

    2004-07-01

    The objective of this paper is to present the methodology that has been used for the complementary development of the giant Marlin oil field in the Campos Basin, with the study of the opportunities of new wells and application of new technologies for the enhancement of production, recovery factor and the gain of reserves. This methodology is applied integrating geophysics, geology, engineering, planning and operation, containing: identification of the non drained areas, positioning of new locations, risk analysis, reduction risk analysis actions, production estimation, attractive location selection; conceptual well project with location of the well head, submarine layout, drilling program, multiphase flow curves; drilling schedule, completion, and production commencement; production forecasting with flux simulation using operational reality of the oil, gas, and water treatment production capacity; wells substitution and deviation criteria; project critical resources and preliminary economical evaluation including project risk. The obtained results were the optimization of the project portfolio of new wells considering the identification of new opportunities, schedule and entrance order of wells, helping also in the acquisitions of new data for reservoir risk reduction before project implementation. (author)

  5. Observer's observables. Residual diffeomorphisms

    CERN Document Server

    Duch, Paweł; Świeżewski, Jedrzej

    2016-01-01

    We investigate the fate of diffeomorphisms when the radial gauge is imposed in canonical general relativity. As shown elsewhere, the radial gauge is closely related to the observer's observables. These observables are invariant under a large subgroup of diffeomorphisms which results in their usefulness for canonical general relativity. There are, however, some diffeomorphisms, called residual diffeomorphisms, which might be "observed" by the observer as they do not preserve her observables. The present paper is devoted to the analysis of these diffeomorphisms in the case of the spatial and spacetime radial gauges. Although the residual diffeomorphisms do not form a subgroup of all diffeomorphisms, we show that their induced action in the phase space does form a group. We find the generators of the induced transformations and compute the structure functions of the algebras they form. The obtained algebras are deformations of the algebra of the Euclidean group and the algebra of the Poincar\\'e group in the spat...

  6. Designing with residual materials

    OpenAIRE

    Walhout, W.; Wever, R; Blom, E.; Addink-Dölle, L.; Tempelman, E.

    2013-01-01

    Many entrepreneurial businesses have attempted to create value based on the residual material streams of third parties. Based on ‘waste’ materials they designed products, around which they built their company. Such activities have the potential to yield sustainable products. Many of such companies remain in the more artistic domain, with relatively labor-intensive products, and small batch sizes. Moving beyond such small-scale activities would likely require a standardized innovation process....

  7. LA INEQUIDAD EN EL CAMPO DE LA SALUD PUBLICA EN AMERICA LATINA: UNA CUESTION CRUCIAL

    Directory of Open Access Journals (Sweden)

    Bernardo Kliksberg

    2002-08-01

    Full Text Available América Latina es considerada la región más desigual del planeta. Es el Continente donde, según múltiples fuentes, las polarizaciones son mayores en diversos campos, y el acceso a las oportunidades es marcadamente disímil para los diferentes sectores sociales. ¿Cómo impacta la inequidad latinoamericana el fundamental campo de la salud? ¿Qué problemas determina en esta área decisiva de la vida de las sociedades, y qué obstáculos y trabas pone al avance de los esfuerzos para mejorar la salud?.A pesar de su clara relevancia, este tema ha sido limitadamente puesto a foco. El objetivo de este trabajo es llamar la atención sobre el mismo, y contribuir a estimular este debate tan necesario. Para ello se subraya, en primer término, el papel central de la salud para el desarrollo, se reseñan las amplias brechas que existen, a pesar de ello, a nivel mundial entre países, y a su interior, se encaran ciertos difundidos mitos sobre cómo superar los problemas en salud, se exploran algunos de los principales impactos de la desigualdad de América Latina sobre aspectos básicos del campo de la salud y, finalmente, se sugieren algunas líneas de la gran tarea por realizar para enfrentar el peso de la inequidad sobre la salud pública.

  8. EL TRABAJO DE CAMPO EN ESTUDIOS SOBRE EDUCACIÓN: CUANDO LOS INVESTIGADORES ENFRENTAN LA REALIDAD

    Directory of Open Access Journals (Sweden)

    Silvia Patricia Aquino Zúñiga

    2010-01-01

    Full Text Available El propósito de este artículo es dar a conocer el significado de experiencias concretas de investigación tienen en la formación de estudiantes universitarios como investigadores. Los hallazgos que aquí se presentan se ubican dentro de un proyecto titulado: Evaluar para mejorar: Sistema de evaluación educativa para escuelas de bajo logro académico, el cual fue auspiciado por el Fondo Mixto de Fomento a la Investigación Científica y Tecnológica CONACYT ¿ Gobierno del Estado de Tabasco, en México. A lo largo de seis semanas, 30 asistentes de investigación, estudiantes de pregrado, agrupados en 10 grupos, visitaron 105 escuelas del estado de Tabasco, para aplicar cuestionarios a directores, profesores, padres de familia y estudiantes, así como exámenes para evaluar el desempeño académico de estos últimos. A través de entrevistas cualitativas enfocadas a los asistentes de investigación, se registraron sus experiencias en la realización del trabajo de campo. Los resultados indican que la experiencia favoreció aspectos formativos en investigación en los estudiantes y proporcionó a los investigadores responsables elementos para mejorar la planificación del trabajo de campo en proyectos futuros. Se concluye que involucrar a estudiantes de pregrado en trabajos de campo en proyectos de investigación resulta enriquecedor tanto para el estudiantado como para las personas responsables del proyecto.

  9. Residual contaminants in milk

    Directory of Open Access Journals (Sweden)

    Nevijo Zdolec

    2006-07-01

    Full Text Available Various chemical agents are used during the whole production chain of milk and dairy products. Production of feedingstuffs is accompanied with pesticide usage, which may remain in environment, thus are transported through feeding into animals, animal products and finally in human organism. Preparation procedure and storage conditions of feed also influence on milk safety in the sense of mycotoxins entering into the food chain. Chemical agents are, on daily basis, used on dairy farms either as detergents or disinfections. The residuals of cleaning agents might remain in milk if the cleaning agents and its dosage are not performed adequately. Besides already mentioned agents, a great influence in milk production can bee seen through veterinary drugs usage, particularly antibacterial drugs (mastitis. Proper application of drugs and by following legal recommendation, a by-reactions can be avoided such as allergic reaction in humans, development of resisting bacteria or even undesirable influence on starter cultures in dairy products manufacture. The maximum residue limits, monitoring plan as well as sampling procedures are set up within the harmonization of Croatian and European legislation, in order to provide official control of residues in foodstuffs of animal origin.

  10. Lo ausente como discurso : elipsis y fuera de campo en el texto cinematográfico

    OpenAIRE

    Gómez Tarín, Fco. Javier

    2003-01-01

    RESUMEN El punto de partida es la oposición al modelo de representación institucional para buscar en elipsis y fuera de campo un camino desestabilizador que evidencie sus carencias y contradicciones más profundas mediante la plena asunción como discurso de lo ausente, lo no visible, a través de la connotación. Desde la tipología física, material, que aportan otras teorizaciones, se desarrolla una alternativa, abierta, que no sólo tiene capacidad para contemplar la perspectiva del modelo he...

  11. Results of the marine biota monitoring during drilling activity on Campos Basin, Brazil

    Energy Technology Data Exchange (ETDEWEB)

    Petta, Claudia Brigagao de; Bastos, Fabio; Danielski, Monica; Ferreira, Mariana; Gama, Mariana; Coelho, Ana Paula Athanazio; Maia, Decio [Aecom do Brasil Ltda, Rio de Janeiro, RJ (Brazil)

    2012-07-01

    The Environmental Monitoring Project (PMA) aims to report environmental changes arising from drilling activity, in relation to the marine fauna. This project can also help in the monitoring of accidental spills. Since the professionals spend six hours of the day monitoring the ocean around the rigs, they can locate and identify oil stains, notify the responsible onboard, and also help in the monitoring of the oil stain. Such Project has been developed onboard a drilling unit working in Campos Basin. The results presented here were collected during the drilling activity in Bijupira and Salema fields, by Shell Brasil Petroleo Ltda, from July 13th to October 8th, 2011.

  12. Salida de campo a Laguna de Duero (Valladolid) el 19 de mayo de 1952

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Laguna de Duero, en Valladolid, el 19 de mayo de 1952, de la que se anotaron observaciones sobre anidamiento, cría y alimentación de Ciconia ciconia (Cigüeña blanca). Se analizaron los contenidos estomacales de tres pollos, en los que aparecieron, entre insectos y otros elementos, los siguientes herpetos: Natrix maura (Culebra viperina, llamada Tropidonotus viperinus por el autor), Pelophylax esculentus (Rana verde europea, llamada Rana sculenta o R.esculenta ridibunda por e...

  13. Salida de campo a los cortados de Corcos - Aguilarejo (Valladolid) el 21 de abril de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo del autor y Féliz Rodríguez de la Fuente a los cortados de Aguilarejo y Corcos, en la provincia de Valladolid, el 21 de abril de 1953, de la que se anotaron observaciones sobre las siguientes aves: Anas platyrhynchos (Ánade azulón, también llamado Pato bravío por el autor), Corvus corax (Cuervo), Corvus monedula (Grajilla, llamada Coloeus por el autor), Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero), Milvus migrans (Milano negro), Neophron percnopterus (...

  14. Salida de campo a Fuensaldaña (Valladolid) el 7 de septiembre de 1952

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Fuensaldaña (Valladolid) el 7 de septiembre de 1952, de la que se anotaron observaciones sobre la ausencia de murciélagos y las siguientes aves: Anthus campestris (Bisbita campestre), Burhinus oedicnemus (Alcaraván común), Calandrella sp. (Terrera), Circus cyaneus (Aguilucho pálido), Columba sp. (Paloma), Coracias garrulus (Carraca europea, también llamada Azulejo por el autor), Corvus monedula (Grajilla, llamada Coloeus por el autor), Coturnix coturnix (Codorniz común), Del...

  15. Salida de campo a Corcos (Valladolid) el 6 de junio de 1951

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Corcos (Valladolid) durante la mañana del 6 de junio de 1951, en la que anotaron observaciones sobre las siguientes aves: Apus apus (Vencejo común), Carduelis carduelis (Jilguero), Columba palumbus (Paloma torcaz), Corvus corax (Cuervo), Corvus monedula (Grajilla, llamada Coloeus por el autor), Falco peregrinus (Halcón peregrino), Neophron percnopterus (Alimoche común), Petronia petronia (Gorrión chillón), Streptopelia turtur (Tórtola común), Sylvia communis (Curruca zarcera...

  16. Salida de campo a Fuensaldaña (Valladolid) el 29 de mayo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Fuensaldaña (Valladolid) el 29 de mayo de 1953, de la que se anotaron observaciones sobre una Malpolon monspessulanus (Culebra bastarda, llamada Coleopeltis mouspessulanus por el autor) hallada muerta, los siguientes mamíferos: Apodemus sp. (Ratón), Crocidura sp. (Musaraña), Eliomys quercinus (Lirón careto, también llamado Ratón ojalbo por el autor) y "Pytimis" (llamado así por el autor, siendo posiblemente el actual género Microtus), hallados dentro de egagrópilas de Lechu...

  17. Salida de campo a Villarmentero de Esgueva (Valladolid) el 18 de julio de 1956

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Villarmentero de Esgueva (Valladolid) el 18 de julio de 1956, de la que se anotaron observaciones, agrupando las especies por hábitats, sobre el anfibio Epidalea calamita (Sapo corredor, llamado Bufo calamita por el autor), el reptil Natrix maura (Culebra viperina, llamada Tropidonotus viperinus por el autor), los siguientes mamíferos: Martes foina (Garduña), Mustela nivalis (Comadreja) y Mustela putorius (Turón), y las siguientes aves: Alectoris sp. (Perdiz), Calandrella sp...

  18. Salida de campo al pinar de Valdestillas (Valladolid) el 14 de noviembre de 1951

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo al pinar de Valdestillas (Valladolid), con recorrido de 3 km. por dicho pinar, el 14 de noviembre de 1951, de la que se anotaron observaciones sobre la gran abundancia del miriápodo "Julus" y las siguientes aves: Aegithalos caudatus (Mito), Burhinus oedicnemus (Alcaraván común), Buteo buteo (Busardo ratonero), Carduelis chloris (Verderón común), Carduelis sp. (probablemente, el Jilguero, C.carduelis), "Cethia" (probablemente, Cettia cetti, el Ruiseñor bastardo), Certhia sp. (A...

  19. Salida de campo a Huerta del Rey (Valladolid) el 6 de marzo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Huerta del Rey, probablemente en Valladolid capital, el 6 de marzo de 1953, de la que se anotaron observaciones sobre el anfibio Triturus marmoratus (Tritón jaspeado, llamado Molge marmorata por el autor) y las siguientes aves: Cettia cetti (Ruiseñor bastardo), Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero), Falco tinnunculus (Cernícalo vulgar), Larus sp. (Gaviota), Otus scops (Autillo europeo) y Turdus iliacus (Zorzal alirrojo, llamado Malvís por el a...

  20. Salida de campo a los cortados de Corcos - Aguilarejo (Valladolid) el 2 de mayo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a los cortados de Corcos (Valladolid) y Aguilarejo (Corcos, Valladolid), a orillas del río Pisuerga, el 2 de mayo de 1953, de la que se anotaron observaciones sobre el escarabajo Melolontha sp., los mamíferos Apodemus sp. (Ratón), Crocidura sp. (Musaraña) y "Pytimis" (llamado así por el autor, siendo posiblemente el actual género Microtus), y las siguientes aves: Anas platyrhynchos (Ánade azulón, también llamado Pato bravío por el autor), Apus apus (Vencejo común), Burhinus oe...

  1. Salida de campo a Valdestillas (Valladolid) el 13 de agosto de 1955

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Valdestillas (Valladolid) el 13 de agosto de 1955, de la que se anotaron observaciones sobre las siguientes aves: Actitis hypoleucos (Andarríos chico, llamado Actynioides hypoleucus por el autor), Alectoris rufa (Perdiz roja), Anas platyrhynchos (Ánade azulón, también llamado Pato bravío por el autor), Ardea cinerea (Garza real), Athene noctua (Mochuelo europeo), Burhinus oedicnemus (Alcaraván común), Charadrius dubius (Chorlitejo chico), Ciconia ciconia (Cigüeña blanca), Cl...

  2. Salida de campo a Laguna de Duero (Valladolid) el 19 de noviembre de 1954

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Laguna de Duero (Valladolid) durante la mañana del 19 de noviembre de 1954, de la que se anotaron observaciones sobre las siguientes aves: Alauda arvensis (Alondra común), Anas crecca (Cerceta común), Anas penelope (Silbón europeo), Anas platyrhynchos (Ánade azulón, también llamado Pato bravío por el autor), Anthus spinoletta (Bisbita alpino), Carduelis sp. (probablemente, el Jilguero, C.carduelis), Corvus corone (Corneja negra), Corvus monedula (Grajilla, llamada Coloeus po...

  3. Salida de campo a Fuensaldaña (Valladolid) el 31 de mayo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo de el autor y Félix Rodríguez de la Fuente a Fuensaldaña, Valladolid, la tarde del 31 de mayo de 1953, de la que se anotaron observaciones sobre los reptiles Blanus cinereus (Culebrilla ciega, también llamado Eslabon) y Rhinechis scalaris (Culebra de escalera, llamada Elaphe scalaris o Coluber scalaris por el autor), y las siguientes aves: Falco naumanni (Cernícalo primilla), Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero), Melanocorypha calandra (Caland...

  4. Salida de campo a Fuensaldaña (Valladolid) el 18 de marzo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Fuensaldaña (Valladolid) el 18 de marzo de 1953, de la que se anotaron observaciones sobre las siguientes aves: Alondra (seguramente, Alauda arvensis, la, Alondra común), Anthus pratensis (Bisbita común), Carduelis carduelis (Jilguero), Ciconia ciconia (Cigüeña blanca), Columba sp. (Paloma), Corvus corone (Corneja negra), Corvus monedula (Grajilla, llamada Coloeus por el autor), Coturnix coturnix (Codorniz común), Falco naumanni (Cernícalo primilla), Falco peregrinus (Halcón...

  5. Salida de campo a los cortados de Corcos - Aguilarejo (Valladolid) el 14 de mayo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo de José Manuel Rubio Recio, José Antonio Sáez Royuela, Féliz Rodríguez de la Fuente y Ramón (de apellidos desconocidos) a los cortados de Corcos (Valladolid) y Aguilarejo (Corcos, Valladolid) el 14 de mayo de 1953, de la que se anotaron observaciones sobre las siguientes aves: Ardea cinerea (Garza real), Columba livia (Paloma bravía), Columba sp. (Paloma) y Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero). Se incluyen pequeñas ilustraciones a rotulador sob...

  6. Salida de campo a Laguna de Duero (Valladolid) el 4 de febrero de 1954

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Laguna de Duero, Valladolid, durante la mañana del 4 de febrero de 1954, de la que se anotaron observaciones sobre las siguientes aves: Alauda arvensis (Alondra común), Anas penelope (Silbón europeo), Anas platyrhynchos (Ánade azulón, también llamado Pato bravío por el autor), Anas sp. (Ánade), Anthus pratensis (Bisbita común), Buteo buteo (Busardo ratonero, también llamado Águila ratera), Carduelis (seguramente, el Jilguero, C.carduelis), Ciconia sp. (seguramente, la Cigüeñ...

  7. Salida de campo a Valdestillas (Valladolid) el 14 de noviembre de 1951

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Valdestillas, en la provincia de Valladolid, el 14 de noviembre de 1951, de la que se anotaron observaciones sobre las siguientes aves: Accipiter nisus (Gavilán común, también llamado Astur palumbarius por el autor), Actitis hypoleucos (Andarríos chico, llamado Actynioides hypoleucus por el autor), Aegithalos caudatus (Mito), Agachadiza (pudiendo ser Gallinago sp. Lymnocryptes minimus), Alauda arvensis (Alondra común), Anas acuta (Ánade rabudo), Anas penelope (Silbón europe...

  8. Influência da capacidade de campo na taxa de crescimento do cafeeiro conilon

    Directory of Open Access Journals (Sweden)

    Maria Christina Junger Delôgo Dardengo

    2010-02-01

    Full Text Available O objetivo deste trabalho foi avaliar a influência da capacidade de campo (CC na taxa de crescimento do cafeeiro conilon a partir da adoção de três tensões: 0,006 MPa (CC1, 0,010 MPa (CC2 e 0,033 MPa (CC3, em dois tipos de solo (Latossolo Vermelho-Amarelo e Argissolo Vermelho-Amarelo. O experimento foi montado em casa de vegetação no Núcleo de Estudos e de Difusão de Tecnologia em Floresta, Recursos Hídricos e Agricultura Sustentável, município de Jerônimo Monteiro, Espírito Santo. A espécie vegetal utilizada foi a Coffea canephora Pierre ex A. Froehner, variedade Robusta Tropical (EMCAPER 8151, cultivada em vaso de 12 litros, por um período de 255 dias. As análises de crescimento foram realizadas 15 dias após o transplantio das mudas e no final do experimento, para determinação de matéria seca total e área foliar. O teor de umidade do solo na capacidade de campo varia com a tensão adotada em sua determinação. As maiores taxas de crescimentos relativo e absoluto do cafeeiro conilon foram obtidas quando a umidade do solo foi mantida na capacidade de campos determinada na tensão de 0,010 MPa no Latossolo Vermelho­Amarelo e de 0,006 MPa no Argissolo Vermelho-Amarelo. As menores taxas de crescimento da cultura foram observa­das na capacidade de campo determinada na tensão de 0,033 MPa, o que inviabiliza a sua adoção na estimativa da lâmina de irrigação utilizando-se a câmara de pressão de Richards.

  9. ARBORIZACIÓN DE PLAZA Y PERCEPCIÓN HUMANA EN CAMPOS DOS GOYTACAZES, RJ

    OpenAIRE

    Cláudio Luiz Melo de Souza; Verônica de Morais; Paulo Roberto Corrêa Landgraf

    2011-01-01

    Cuando aumenta la percepción ambiental de las personas, tambien se reduce el grado del vandalismo contralos bienes públicos, jardines y plazas, entonces la creencia popular es una inportante estrategia para losplaneamentos y mantenimientos de la arborización urbana. Este estudio tiene como objetivo diagnosticar laopinión de la población de Campos dos Goytacazes (RJ), sobre la forestación de la Plaza Barón del RioBranco. Se hizo un levantamiento cuantitativo de los arboles y se realizó una enc...

  10. INNOVACION CURRICULAR EN TURISMO: UN CAMPO DE ESTUDIO Y REFERENTES PARA LA FORMACIÓN UNIVERSITARIA

    OpenAIRE

    Lucía M. Collado Medina; Lourdes Medina Cuevas; Alma Herrera Márquez; Maricruz Moreno Zagal

    2013-01-01

    El artículo presenta un panorama de la investigación curricular en turismo reportada en México y otros países, principalmente latinoamericanos. Se definen tendencias, impactos, alcances, pautas de problemáticas emergentes, y referentes para aclarar enfoques y modelos de la formación profesional e innovación curricular de este campo. Con base en el método de mapeo se seleccionaron y valoraron las fuentes que sustentan este estudio, mediante las cuales se plantean los retos para la construcción...

  11. Estilo cognitivo de dependencia-independencia de campo y proceso lector

    OpenAIRE

    Kirchner, Teresa

    1987-01-01

    [spa] Este estudio trata de determinar si se dan relaciones de covariación entre la aptitud de reestructuración (una de las manifestaciones del constructo «Dependencia-Independencia de campo» (DIC) y el proceso lector.La DIC es uno de los Estilos Cognitivos surgidos a raíz de las investigaciones que sobre la percepción de la verticalidad realizaban Witkin y Asch a finales de los años 40, y que derivó finalmente en un modelo explicativo de las diferencias individuales, basado en el grado de di...

  12. Salida de campo a la Cuesta de la Maruquesa (Valladolid) el 27 de octubre de 1952

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a la Cuesta de la Maruquesa, en Valladolid capital, durante la mañana del 27 de octubre de 1952, de la que se anotaron observaciones sobre los siguientes órdenes de insectos: Diptera, Lepidoptera, Odonata y Orthoptera, los siguientes mamíferos: Erizo (pudiendo ser Erinaceus europaeus o Atelerix algirus), Lepus sp. (Liebre), Mustela nivalis (Comadreja) y las siguientes aves: Accipiter nisus (Gavilán común, también llamado Astur palumbarius por el autor), Alauda arvensis (Alondr...

  13. Salida de campo al pinar de Laguna de Duero (Valladolid) el 25 de marzo de 1952

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo al pinar de Laguna de Duero (Valladolid) el 25 de marzo de 1952, de la que se anotaron observaciones sobre "Lymneidos", la Rana Común (Pelophylax perezi), saltamontes y mariposas, los siguientes mamíferos: Arvicola sapidus (Rata de agua) y Erizo (pudiendo ser Erinaceus europaeus o Atelerix algirus), los siguientes reptiles: Blanus cinereus (Culebrilla ciega), Chalcides sp. (Eslizón) y lagartijas (sin identificar especies), y las siguientes aves: Accipiter nisus (Gavilán común,...

  14. Salida de campo a Fuensaldaña (Valladolid) el 19 de septiembre de 1952

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Fuensaldaña (Valladolid) el 19 de septiembre de 1952, de la que se anotaron observaciones sobre los siguientes anfibios: Tritones o salamandras (no se concreta la especie; llamados erróneamente salamanquesas por el autor), Ranas (pudiendo ser Hyla sp.), Renacuajos (sin concretar la especie) y Sapos (sin concretar la especie), los siguientes reptiles: Blanus cinereus (Culebrilla ciega, también llamado Eslabon), Chalcides sp. (Eslizón, también llamado Eliso por el autor), Cule...

  15. Salida de campo a Santo Domingo de Silos, en Burgos, el 13 de septiembre de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Santo Domingo de Silos, en Burgos, el 13 de septiembre de 1953, de la que se anotaron observaciones sobre los siguientes anfibios: Alytes sp. (Sapo partero), Bufo bufo (Sapo común, llamado B.vulgaris por el autor), Hyla sp. (Ranita), Lissotriton vulgaris, Rana sp. (Rana), Salamandra salamandra (Salamandra común, también llamada S.maculosa por el autor) y Triturus cristatus (Tritón crestado), los siguientes reptiles: Acanthodactylus erythrurus (Lagartija colirroja, llamada A....

  16. Salida de campo a Montejo de la Sierra (Madrid) a mediados de septiembre de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Montejo de la Sierra, en Madrid, a mediados de septiembre de 1953, de la que se anotaron observaciones sobre los siguientes anfibios: Bufo bufo (Sapo común, llamado B.vulgaris por el autor) y Rana sp. (Rana), los siguientes reptiles: Natrix maura (Culebra viperina, llamada Tropidonotus viperinus por el autor) y Psammodromus sp. (Lagartija), los siguientes mamíferos: Arvicola sapidus (Rata de agua, también llamado Ratón aguadero), Martes foina (Garduña), Plecotus sp. (Orejudo...

  17. Escuelas de campo y adopción de ecotecnia agrícola

    OpenAIRE

    S. Orozco Cirilo; L. Jiménez Sánchez; N. Estrella Chulím; B. Ramírez Valverde; B.V. Peña Olvera; A. Ramos Sánchez; M. Morales Guerra

    2008-01-01

    Las Escuelas de Campo (EC) son un método de extensión participativo que permite desarrollar capacidades analíticas, pensamiento crítico y, creatividad. La investigación se realizó en la región Mazateca de Oaxaca, la cual se caracteriza por su alto rezago tecnológico, porque resulta de relevancia científica, social y ecológica conocer, en este contexto, los alcances de metodologías alternativas de extensionismo sobre la adopción de ecotecniasagrícolas. Nuestro objetivo fue conocer la influenci...

  18. La escuela de campo, como estrategia de aprendizaje significativo de un tema de sanidad vegetal

    OpenAIRE

    Zapata, Yaned Estela

    2014-01-01

    Resumen: Como resultado de una propuesta pedagógica de aprendizaje significativo, basada en los principios de Ausubel donde la idea más importante de esta teoría está dirigida a los conceptos previos que obtiene el educando, se debe indagar respecto a estos conocimientos y enseñarse de acuerdo con ello. Se diseñó esta propuesta y se dirigió a estudiantes universitarios. Mediante este ejercicio se llevó a cabo la capacitación de facilitadores de escuelas de campo de agricultores (ECAs), tenien...

  19. Arte y Salud: algunas reflexiones para profundizar las potencialidades de análisis del campo

    OpenAIRE

    Gabriela Wald

    2015-01-01

    El articulo discute las asunciones más corrientes del campo "arte y salud", específicamente aquellos estudios del mundo anglosajón que analizan los programas de arte basados en la comunidad. Presenta resultados de una investigación cualitativa realizada en dos proyectos de orquestas juveniles con fines de integración social de la Ciudad de Buenos Aires, Argentina. El trabajo muestra cómo las posibilidades de influencia de un proyecto de educación artística dependen no sólo de lo que los progr...

  20. LAS RELACIONES DE BIENESTAR SOCIAL Y LOS CAMPOS DE INTERVENCIÓN DEL TRABAJO SOCIAL

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    Edgar Malagón Bello

    2012-04-01

    Full Text Available El Bienestar Social identifica al grupo de relaciones surgidas de los imperativos éticos de ayuda social y a las entidades, programas y acciones en que se traducen. Crea canales de redistribución del ingreso que complementa el salario, dando origen a una especie de paralelismo con respecto a las relaciones de mercado. La Asistencia Social, la Autogestión, la Política Social, la Seguridad Social y el Bienestar Social Laboral, constituyen los campos de intervención profesional y representan una de las expresiones más importantes y menos interpretadas del objeto disciplinar.

  1. Medição do campo de deformações por shearografia speckle

    OpenAIRE

    Lopes, H.; Ribeiro, J. E.; Monteiro, J.; Gonçalves, D; Vaz, M.A.P.

    2011-01-01

    Neste trabalho apresenta-se o desenvolvimento de um sistema interferométrico para medição do campo de deformações no plano a partir da técnica de Shearografia Speckle com dupla iluminação. No sentido de definir o procedimento e optimizar todo o processo de medição, foi desenvolvido um modelo matemático representativo da interferência das frentes de onda proveniente do objecto, sendo analisados os parâmetros que influenciam a qualidade dos resultados, tais como: o ângulo de iluminação, o passo...

  2. Diversificación productiva en el campo experimental las Margaritas, Puebla, México

    OpenAIRE

    O.A. Villarreal Espino-Barros; R. Guevara Viera; R. Reséndiz Martínez; Hernández Zepeda, J.S.; J. C. Castillo Correo; F. J. Tomé Torres

    2005-01-01

    El campo experimental Las Margaritas, en la Sierra Nororiental del Estado de Puebla, México, posee extensa superficie y conserva parte de bosque tropical perennifolio, lo que permite que exista in situ el venado cola blanca de la subespecie veraecrucis. Por el método indirecto de conteo de huellas en transectos, se concluyó que el animal se distribuye en 1271,58 ha al norte del predio. La densidad poblacional media es de 2,13 individuos/km2; con s= 0,35; y CV= 16,62 p.100; la población absolu...

  3. Entre puertos, campos y acopios: Trabajo y transporte de granos en torno al Sudeste bonaerense.

    OpenAIRE

    Paula Tagliabue

    2014-01-01

    En este artículo, se analiza el proceso de trabajo en el transporte automotor de granos en torno al sudeste bonaerense. Desde un abordaje cualitativo, se describen y analizan las prácticas durante la cosecha y pos-cosecha, y los trayectos campo-acopio, acopio-puerto. También se analizan las relaciones laborales a partir de una perspectiva ampliada de las relaciones laborales clásicas (asalariadas, estables, protegidas).Los rasgos que asume el trabajo en el transporte de granos están asociados...

  4. Pacientes con Enfermedad de Alzheimer Presenil : Hallazgos con RM de alto campo (3T).

    OpenAIRE

    Núñez Marín, Fidel

    2013-01-01

    La enfermedad de Alzheimer (EA) Presenil se inicia antes de los 65 años, y ha sido relacionada con una diferente presentación clínica a la EA senil. En neuroimagen, se ha descrito un patrón de atrofia cerebral concordante con las diferencias clínicas. Se realizaron estudios de RM cerebral de alto campo (3T) a pacientes con EA presenil, EA senil y controles, que se procesaron para valorar diferencias en el grosor cortical. Se obtuvieron diferencias estadísticamente significativas de grosor cor...

  5. Excessive daytime sleepiness in Campo Grande general population, Brazil Sonolência diurna excessiva na população geral de Campo Grande, MS

    Directory of Open Access Journals (Sweden)

    José Carlos Souza

    2002-09-01

    Full Text Available The prevalence of excessive daytime sleepiness (EDS in general population was determined by means of 408 home interviews of adults, in a representative sample of Campo Grande city, Brazil. The random sample was stratified by sex, age and economic social status. EDS was considered in those with indexes 11 or more in the Epworth Sleepiness Scale. Statistics used chi-square, Fisher and Pearson tests; and inferences based on binomial distribution parameters; the significance level was 5% and confidence interval (CI was 95%. The prevalence of EDS was 18.9% of the general population ( SD=1.9%; CI 15.1% to 22.7%. No significant association was found between EDS and the use of hypnotics, nor with insomnia, body mass index, sex, age, years of schooling, economic social status, marital status, occupation and the use of alternative means to improve sleep. When the sample was separated according to sex, only the male group showed significant association between EDS and actual insomnia (p=0.005.Buscou-se a prevalência da sonolência diurna excessiva (SDE com 408 entrevistas domiciliares de adultos, em amostra representativa da população geral da cidade de Campo Grande, MS. A amostragem aleatória foi estratificada por sexo, idade e classe social. Tinham SDE as pessoas com 11 ou mais pontos na Escala de Sonolência Epworth. Usaram-se os testes de qui-quadrado, Fisher, Pearson e inferências com base nos parâmetros da distribuição binomial; nível de significância 5% e intervalo de confiança (IC 95%. Tinham SDE 18,9% da população (dp=1,9%; IC 15,1% a 22,7%; não houve associação significativa entre SDE e uso de hipnóticos, nem insônia, índice de massa corporal, sexo, idade, escolaridade, classe sócio-econômica, estado civil, ocupação e uso de meios alternativos para dormir melhor. Ao serem separados de acordo com sexo, apenas no sexo masculino houve associação significativa entre SDE e presença de insônia (p=0,005.

  6. Sistemi e autopoiesi nella musica elettronica su nastro magnetico

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    Luca Cossettini

    2014-02-01

    Full Text Available With the development of sound production and processing technologies, composers' private rooms stopped delimiting the boundaries of musical creativity, which started inhabiting recording studios instead. Here memory, traditionally entrusted to paper and to the silence of the musical text, met a technology that enabled to record sounds directly, thus achieving the acoustic fulfilment of the composer's thought. The crystalline abstraction of musical notation gave way to a world of sounds submerged in noise as well as in human and technological indeterminacy: it is a world that requires specific control strategies and direct confrontation with performance practices and listening within a complex system. Composers were tossed into this system, becoming performers and active observers of their own work. Thus, the linearity of Shannon’s model of communication was altered. In his works on musical semiology, Jean-Jacques Nattiez had already modified the model from Sender -> Message -> Receiver to Poietic dimension -> Trace <- Esthesic dimension. The rise of the composer as an active observer requires a new transformation of the model of communication, creating a continuous feedback between the different elements. This feedback will often involve the listener as well. The electronic music work can therefore be seen as a self-organizing system that includes in itself the electronic devices as well as the human factor that operates them. In this system, compositional models are the invariants that vouch for the identity and recognisability of the work.

  7. Sistemi e autopoiesi nella musica elettronica su nastro magnetico

    OpenAIRE

    Luca Cossettini

    2014-01-01

    With the development of sound production and processing technologies, composers' private rooms stopped delimiting the boundaries of musical creativity, which started inhabiting recording studios instead. Here memory, traditionally entrusted to paper and to the silence of the musical text, met a technology that enabled to record sounds directly, thus achieving the acoustic fulfilment of the composer's thought. The crystalline abstraction of musical notation gave way to a world of sounds submer...

  8. Efeito residual de temephós em larvas de Aedes aegypti

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    Maria de Lourdes G. Macoris

    1995-12-01

    Full Text Available Uma das estratégias de controle do Aedes aegypti é o uso do larvicida temephós, cujo efeito residual prolongado permite a programação de tratamentos focais. O objetivo deste estudo é verificar a duração do efeito residual do temephós simulando-se uma situação de campo. Recipientes plásticos com capacidade de um e cinco litros, foram tratados com temephós e seu efeito residual testado a cada trinta dias. Foram observadas diferentes durações do efeito residual, o qual foi maior nos recipientes localizados no interior do laboratório comparados aos expostos fora do laboratório. Nos recipientes de um litro o efeito residual foi superior ao de cinco litros. O pH e a salinidade da água, durante o período de estudo, não interferiram com o efeito do larvicida.One of the most used strategies for controlling Aedes aegypti is the use of the larvicide temephos (Abate. This larvicide has a prolonged residual effect which allows planning the focal treatments. This study aims to verify the duration of the laivicide residual effect simulating a field situation. Plastic containers of one arid five liters were treated with temephos and the residual effect was evaluated every 30 day after the treatment. Different residual effect was observed in the containers placed outside attd inside the laboratory. The containers of one liter showed a longer residual effect than the five liters containers. The water salinity as well as the pH, during the test did not affect the larvicide effect.

  9. Study on properties of residue-residue contacts in protein

    Institute of Scientific and Technical Information of China (English)

    王向红; 柯见洪; 郑亦庄; 陈爱; 徐银香

    2004-01-01

    Residue-residue contacts are very important in forming protein structure. In this work, we calculated the average probability of residue-residue contacts in 470 globular proteins and analyzed the distribution of contacts in the different interval of residues using Contacts of Structural Units (CSU) and Structural Classification (SCOP) software. It was found that the relationship between the average probability PL and the residue distance L for four structural classes of proteins could be expressed as lgPL=a+b×L, where a and b are coefficients. We also discussed the connection between two aspects of proteins which have equal array residue number and found that the distribution probability was stable (or un-stable) if the proteins had the same (or different) comnact (for examnle svnthase) in the same structural class.

  10. Study on properties of residue-residue contacts in protein

    Institute of Scientific and Technical Information of China (English)

    王向红; 柯见洪; 郑亦庄; 陈爱; 徐银香

    2004-01-01

    Residue-residue contacts are very important in forming protein structure. In this work, we calculated theaverage probability of residue-residue contacts in 470 globular proteins and analyzed the distribution of contacts in thedifferent interval of residues using Contacts of Structural Units (CSU) and Structural Classification (SCOP) software. Itwas found that the relationship between the average probability -PL and the residue distance L for four structural classes ofproteins could be expressed as lgPL=a+b×L, where a and b are coefficients. We also discussed the connection between twoaspects of proteins which have equal array residue number and found that the distribution probability was stable (or un-stable) if the proteins had the same (or different) compact (for example synthase) in the same structural class.

  11. El 'campo' sigue vivo: una interpretación socioeconómica del Holocausto

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    Daniel Francisco Álvarez Espinosa

    2008-11-01

    Full Text Available El presente trabajo pretende ser una crítica de la sociedad moderna, tecnológica e industrial. Alejados de las categorías de una filosofía de la historia con fe ciega en el progreso, consideramos los campos de exterminio como una consecuencia de la Zivilisation. Los vernichtungslager no son un accidente, pasajero, en el camino hacia la mejora inevitable de la humanidad, sino un producto legítimo de la civilización industrial. Después de los lager, la barbarie no aparece ya representada como la antítesis de la modernidad, sino como su cara oculta, su lado oscuro, su sombrío revés.Palabras Clave: campos de concentración - dictaduras - historia actual - Holocausto - memoria - nazismo - Segunda Guerra Mundial__________________________ABSTRACT:The present work tries to be a critic of the modern, technological and industrial society. Moved away of the categories of a philosophy of history with blind faith in the progress, we considered the fields of extermination like a consequence of the Zivilisation. Vernichtungslager they are not an accident, passenger, in the way towards the inevitable improvement of the humanity, but a legitimate product of the industrial civilization. After lager, the barbarism does not appear represented already like the antithesis of modernity, but as its dark side, its dark side, its shady misfortune. Keywords: Contemporary History - Dictatorships - Holocaust - Killing Fields - Memory - Nazism - Second World War 

  12. LEAF MICROMOPHOMETRY OF PALICOUREA RIGIDA KUNTH. (RUBIACEAE FROM BRAZILIAN CERRADO AND CAMPO RUPESTRE ENVIRONMENTS

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    Manuel Losada Gavilanes

    2016-06-01

    Full Text Available The objective of this work was to evaluate qualitative and quantitative leaf anatomical traits of Palicourea rigida Kunth. (Rubiaceae species occurring in the Brazilian Cerrado and Campo Rupestre ecosystems. Anatomical analysis was performed in fresh or fixed leaves processed with usual plant microtechnique. Leaves showed uniseriate epidermis in petiole and leaf blade which contains uniseriate nonglandular tricomes (tector type occurring only over the vascular bundles. Likewise, paracytic stomata were found only in abaxial side of the leaf surface. The mesophyll contains uniseriate palisade parenchyma and multiseriate spongy parenchyma (nine layers which showed cells with different morphology and size. Crystal idoblasts of different types were observed in both the petiole and leaf blade. Collateral vascular bundles were found both in the petiole and leaf blade. Leaf venation type was pinnate, campylodromous or brochydodromous. The micromorphometric analysis showed significant differences from plants of different environments for all leaf characteristics and Cerrado plants showed higher means for all evaluated traits. Therefore, the influence of environments may had modulated morphological responses in P. rigida, since no difference was found in the type or distribution of leaf tissues in Cerrado or Campo Rupestre.

  13. Diagnosis of solid waste management in the town of Campo Bom - RS

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    Karin Luise dos Santos

    2009-12-01

    Full Text Available This paper discusses the main items currently subject to recycling in Brazil to make a diagnosis on the management of domestic solid waste in the city of Campo Bom, in the catchment of the river valley of Sinos. The city of Campo Bom is neighboring the town of Novo Hamburgo. The survey is based on data supplied by the local administration COOLABORE (Cooperative Urban Cleaning and Construction. cooperative scavengers or environmental agents in the city and visits to Central treatment of household waste. We present all data related to waste management in the city both in its operational form for the results obtained. The results show large quantities of non-ferrous metals, ferrous metals, paper and cardboard and plastic and shows that paper and cardboard are more sensitive to seasonal generated by holiday periods, being mostly used in offices and businesses in relevant quantities. Since plastics are less sensitive and more for domestic use do not suffer sudden change in his generation during holiday periods. We analyzed the data from the first quarter of 2009.

  14. Bovine immunoprotection against Rhipicephalus (Boophilus) microplus with recombinant Bm86-Campo Grande antigen.

    Science.gov (United States)

    Cunha, Rodrigo Casquero; Pérez de León, Adalberto Angel; Leite, Fábio Pereira Leivas; Pinto, Luciano da Silva; Dos Santos Júnior, Alceu Gonçalves; Andreotti, Renato

    2012-01-01

    The southern cattle fever tick, Rhipicephalus (Boophilus) microplus, is no doubt the most economically important ectoparasite of cattle globally. The inappropriate use of chemical acaricides has driven the evolution of resistance in populations of R. (B.) microplus. Anti-tick vaccines represent a technology that can be combined with acaricides in integrated control programs to mitigate the impact of R. (B.) microplus. The recombinant form of Bm86 antigen from the Campo Grande (rBm86-CG) strain of R. (B.) microplus was produced using the Pichiapastoris expression system to test its ability to immunoprotect cattle against tick infestation. Secretion of rBm86-CG by P. pastoris through the bioprocess reported here simplified purification of the antigen. A specific humoral immune response was detected by ELISA in vaccinated cattle. Immunoblot results revealed that polyclonal antibodies from vaccinated cattle recognized a protein in larval extracts with a molecular weight corresponding to Bm86. The rBm86-CG antigen showed 31% efficacy against the Campo Grande strain of R. (B.) microplus infesting vaccinated cattle. The rBm86-CG is an antigen that could be used in a polyvalent vaccine as part of an integrated program for the control of R. (B.) microplus in the region that includes Mato Grosso do Sul. PMID:23070436

  15. Morphogenetic characteristics in Tanzania grass conhsorted with Stylosanthes Campo Grande or fertilized with nitrogen under grazing

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    Túlio Otávio Jardim D'Almeida Lins

    2015-08-01

    Full Text Available This study aimed to study morphogenic and structural characteristics of Tanzania grass (Panicum maximum cv. Tanzania intercropped with Estilosantes Campo Grande (Stylosanthes capitata and Stylosanthes macrocephala or fertilized with nitrogen. The pasture was managed under continuous stocking and variable stocking rate. Were used a randomized complete blocks with split plots and three replications. The treatments were: Tanzania grass + Stylosanthes; Tanzania grass + 75 Kg N.ha. year-1; Tanzania grass + 150Kg N.ha.year-1; Tanzania grass + 225 Kg N.ha.year-1. Were used urea and ammonium nitrate as nitrogen source. The morphogenetic evaluations were conducted in the spring and summer. Were evaluated 15 tillers per paddock, twice a week for four weeks per season in study. The morphogenic characteristics were not affected by nitrogen fertilization or consortium, except the leaf elongation rate (LER. The highest values for this variable were observed in the spring in the fertilized pastures. Therefore, it is concluded that nitrogen fertilization influences the leaf elongation rate (LER of Tanzania grass, and this one when is intercropped with Stylosanthes Campo Grande show morphogenic characteristics similar when fertilized with nitrogen, except for rate leaf elongation.

  16. Francisco Ferreira Saturnino Braga: negócios e fortuna em Campos dos Goytacazes

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    Walter Luiz Carneiro de Mattos Pereira

    2012-12-01

    Full Text Available O artigo pretende investir no estudo da dinâmica da economia em Campos dos Goytacazes, Rio de Janeiro, nas duas décadas que antecedem a abolição da escravatura no Brasil, a partir dos negócios e da fortuna de Francisco Ferreira Saturnino Braga, proprietário de terras, escravos, usineiro, industrial, concessionário de ferrovias e banqueiro, figura-chave para se perceberem as transformações ocorridas em uma área de produção açucareira voltada para o mercado interno. As singularidades e particularidades obtidas pela observação em escala reduzida podem revelar a possibilidade de perceber uma articulação mais ampla com as estruturas de uma economia de mercado.The article intends to invest in the study of the dynamics of the economy in Campos dos Goytacazes, Rio de Janeiro, in the two decades preceding the abolition of slavery in Brazil, from the business and fortune of Francisco Ferreira Saturnino Braga, owner of land, slaves, mill owner, industrial, railroad dealer and banker, a key figure to understand the changes occurred in an area of the sugar production directs to the domestic market. The singularities and particularities obtained by observation in small scale may reveal the possibility of perceiving a broader articulation with the structures of a market economy.

  17. Testing arbitrary classes of light in a physiognomically heterogeneous area of "campo rupestre" vegetation.

    Science.gov (United States)

    Moreira, Ana S F P; Borba, Eduardo L; Lemos-Filho, José P

    2013-01-01

    The Brazilian "campo rupestre" vegetation shows high light heterogeneity, characteristic which is often disregarded in ecophysiological studies due the difficult of obtaining accurate measurements in a complex environment. The aim of the present study it was to describe how much heterogeneous is the light distribution in this environment, as well as tried to define classes in relation to the photosynthetically active radiation (PAR) for 30 rupicolous individuals of Bulbophyllum involutum. The individuals were marked and previously classified in light classes visually predetermined ("full sun", "partially shaded" and "shaded"). Once defined these classes, principal component analysis, cluster and dispersal analyses using direct and indirect PAR measures were performed to characterize the environment as well as to validate the inclusion of the individuals in each class. The use of multivariate analysis increased the accuracy of predetermined classes of light, and some individuals from "shaded" and "partially shaded" classes needed to be regrouped. After individuals' reclassification, amplitude of PAR variance was reduced in each class, enhancing homogeneity. Ours results show the possibility to evaluate light environment conditions more precisely in "campo rupestre" vegetation using multivariate analysis, allowing the increase in accuracy of this parameter for ecophysiological researches.

  18. FORMACIÓN INICIAL DE DOCENTES A DISTANCIA DENTRO DEL CAMPO DE LA EDUCACION EN COLOMBIA

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    Gloria Liliana Moreno Vizcaíno

    2014-01-01

    Full Text Available Este ensayo presenta una reflexión sobre la formación inicial de docentes a distancia dentro del campo de la educación en Colombia, principalmente desde la teoría de Pierre Bourdieu. La profesionalización del magisterio en Colombia ha sido un punto fundamental en la agenda educativa nacional, siendo las tres últimas décadas del siglo XX coyunturales para desarrollo de la metodología a distancia en programas de formación inicial docente a nivel universitario. A partir de entonces, la formación inicial de docentes a distancia ha tenido un posicionamiento dentro del campo de la Educación Superior en Colombia, hecho que se ha constituido en un agente profundo de cambio en la educación nacional y que ha estado claramente permeado por el impacto de las tecnologías de información y de la comunicación, lo cual le ha permitido enmarcarse dentro de los nuevos desafíos que dicha formación requiere.

  19. Adolescentes em cena: uma proposta educativa no campo da saúde sexual e reprodutiva

    Directory of Open Access Journals (Sweden)

    Vânia de Souza

    2011-12-01

    Full Text Available Objetivou-se descrever a experiência sobre a elaboração de material educativo, no formato de performance teatral criada e encenada por adolescentes, como estratégia para a obtenção de uma atitude reflexiva e autônoma desses sujeitos, no campo afetivo-sexual e reprodutivo. Processo de intervenção e de investigação desenvolvido em uma escola pública de Belo Horizonte - Minas Gerais, Brasil - com 12 estudantes de 14 a 18 anos. A análise baseou-se no método de educação pela experiência, de John Dewey. Foram realizadas 23 oficinas até a produção do espetáculo e do vídeo Sexo sim, Doença Não, exibido para alunos do ensino médio. A produção de tecnologias educativas, construída pelos próprios adolescentes, possibilitou a ampliação de suas vivências e a re-significação de conhecimentos. Também auxiliou a compreensão da realidade cotidiana desses sujeitos, permitindo a ligação entre o interno (o pensamento do adolescente e o externo (que concretiza os fenômenos sociais no campo afetivo-sexual e reprodutivo.

  20. Green line fracturing systems fluids in Campos Basin, Brazil; Sistemas de fluidos de fraturamento na Bacia de Campos: evolucao em beneficio do meio ambiente

    Energy Technology Data Exchange (ETDEWEB)

    Melo, Alexandre B. de; Araujo, Cosme J.C. de; Martinho, Flavio M.; Gaspar, Fernando [BJ Services do Brasil, Rio de Janeiro, RJ (Brazil)

    2008-07-01

    The constant demand for Services Companies in Oil and Gas Industry to reduce the environmental impacts has led to a race in search of new cleaner technologies. Fluids with low toxicity are the target of research and development by the companies which are committed to ensure the aspects of quality, health, safety and environment from manufacturing up to the use in the final destination of these products. The replacement of these fluids is happening at a larger speed than in the past on the based in two factors: greater awareness on the part of these companies in relation to the environmental and by new environmental laws. The fluids systems used in fracturing operations are not an exception to this rule. Service companies today are in the process of replacing their formulations with systems less aggressive to the environment so-called 'green' systems. In this context the new technological developments of fracturing fluids are of fundamental importance to assist the new environmental requirements of both operators and government regulatory bodies and also to ensure better effectiveness of these products. This paper reports the research, development and application of new environmentally acceptable fracturing fluids technology, reviews the pioneering case histories in offshore operations and the benefits experienced in the Campos Basin - Brazil. (author)

  1. Cognitive residues of similarity

    OpenAIRE

    OToole, Stephanie; Keane, Mark T.

    2013-01-01

    What are the cognitive after-effects of making a similarity judgement? What, cognitively, is left behind and what effect might these residues have on subsequent processing? In this paper, we probe for such after-effects using a visual search task, performed after a task in which pictures of real-world objects were compared. So, target objects were first presented in a comparison task (e.g., rate the similarity of this object to another) thus, presumably, modifying some of their features befor...

  2. Bioenergy from sisal residues

    Energy Technology Data Exchange (ETDEWEB)

    Jungersen, G. [Dansk Teknologisk Inst. (Denmark); Kivaisi, A.; Rubindamayugi, M. [Univ. of Dar es Salaam (Tanzania, United Republic of)

    1998-05-01

    The main objectives of this report are: To analyse the bioenergy potential of the Tanzanian agro-industries, with special emphasis on the Sisal industry, the largest producer of agro-industrial residues in Tanzania; and to upgrade the human capacity and research potential of the Applied Microbiology Unit at the University of Dar es Salaam, in order to ensure a scientific and technological support for future operation and implementation of biogas facilities and anaerobic water treatment systems. The experimental work on sisal residues contains the following issues: Optimal reactor set-up and performance; Pre-treatment methods for treatment of fibre fraction in order to increase the methane yield; Evaluation of the requirement for nutrient addition; Evaluation of the potential for bioethanol production from sisal bulbs. The processing of sisal leaves into dry fibres (decortication) has traditionally been done by the wet processing method, which consumes considerable quantities of water and produces large quantities of waste water. The Tanzania Sisal Authority (TSA) is now developing a dry decortication method, which consumes less water and produces a waste product with 12-15% TS, which is feasible for treatment in CSTR systems (Continously Stirred Tank Reactors). (EG)

  3. Studies for recovering injection capacity in wells of the Cerro Prieto, BC, geothermal field; Estudios para recuperar la capacidad de aceptacion en pozos inyectores del campo geotermico de Cerro Prieto, BC

    Energy Technology Data Exchange (ETDEWEB)

    Alvarez Rosales, Julio [Comision Federal de Electricidad, Gerencia de Proyectos Geotermoelectricos, Residencia General de Cerro Prieto, Mexicali, Baja California (Mexico)]. E-mail: julio.alvarez@cfe.gob.mx

    2010-01-15

    As in geothermal fields around the world, at Cerro Prieto geothermal field, Baja California, former exploratory and production wells are used to inject residual brine. Since the 1980s, studies and activities have been carried out to find ways to recharge the reservoir and dispose of brine without harming the environment or underground aquifers. These include infiltration and cold-and-hot injection. Some of the studies are presented here, including analyses of litho-facies; core samples; pressure, temperature and spinner logs; well tests and injection rates-plus some studies on the shallow aquifer. All have been useful in fulfilling requirements made by environmental authorities. Because injection rates constantly decrease due to formation damage, it is proposed an additional technique be used to reduce such damages and prolong the lifetime of cold-and-hot injection wells-while ensuring the environment and shallow aquifers are not affected. [Spanish] Al igual que en diversos campos geotermicos en el mundo, en el de Cerro Prieto, Baja California se han utilizado tanto pozos inyectores perforados ex profeso como antiguos pozos exploratorios y productores para inyectar el fluido residual al subsuelo. Desde la decada de los 80 se han realizado diversos estudios y acciones en ese campo geotermico para recargar al yacimiento y para disponer del fluido residual, sin ocasionar danos al ambiente ni a los cuerpos hidricos del subsuelo, que van desde la infiltracion hasta la inyeccion en frio y en caliente. Este articulo presenta los diferentes estudios realizados con ese objetivo en el campo, incluyendo el analisis de litofacies, de nucleos de formacion, de registros de presion, temperatura y spinner, las pruebas en pozos y analisis de tasas de aceptacion, asi como los efectuados en el acuifero superficial. Todos ellos han sido de utilidad para atender los requerimientos de las autoridades ambientales. Finalmente, y en virtud de que las tasas de aceptacion de los pozos

  4. Diseño de redes de alimentación para arrays de antenas con diagrama de campo conformado

    OpenAIRE

    González González, Alejandro

    2015-01-01

    En este Proyecto de Fin de Carrera se ha llevado a cabo el diseño, para la tecnología WIMAX, de distintas redes de alimentación de arrays de antenas cuya disposición pueda originar un campo conformado dado. Un array de antenas permite no sólo apuntar el diagrama de radiación a una dirección concreta sin más restricciones, sino, en general sintetizar un diagrama de campo conformado. Un diagrama de campo conformado toma una forma específica en una región de radiación, y puede poseer diferent...

  5. The aquatic and semiaquatic biota in Miocene amber from the Campo LA Granja mine (Chiapas, Mexico): Paleoenvironmental implications

    Science.gov (United States)

    Serrano-Sánchez, María de Lourdes; Hegna, Thomas A.; Schaaf, Peter; Pérez, Liseth; Centeno-García, Elena; Vega, Francisco J.

    2015-10-01

    Amber from the Campo La Granja mine in Chiapas, Mexico, is distinct from other sources of amber in Chiapas. Campo La Granja amber has distinct layers created by successive flows of resin with thin layers of sand on most surfaces. Aquatic and semi-aquatic arthropods are commonly found. Together these pieces of evidence suggest an estuarine environment similar to modern mangrove communities. The aquatic crustaceans are the most intriguing aspect of the biota. A large number of ostracods have been found in the amber-many with their carapaces open, suggesting that they were alive and submerged in water at the time of entombment. The only known examples of brachyuran crabs preserved in amber are found in the Campo La Granja amber. Amphipods, copepods, isopods, and tanaids are also members of the crustacean fauna preserved in amber.

  6. Em busca de uma ontologia do processo comunicativo. Ou: encruzilhadas de um campo científico

    Directory of Open Access Journals (Sweden)

    Gilson Soares Raslan Filho

    2013-12-01

    Full Text Available O campo científico da comunicação vive uma verdadeira encruzilhada: ou se perde no empirismo do estudo dos media; ou, numa recusa a tal empirismo, se lança numa busca teórica voraz, o que ameaça, por vastidão e frouxidão, seu estatuto científico, inclusive por colocar em suspenso a cientificidade dos estudos realizados no campo. Este ensaio identifica essa encruzilhada como duas faces de uma mesma moeda. Para superá-la, propõe a distinção entre a comunicação como problema e a problemática do campo específico da Comunicação, o que se realiza como uma tarefa de construção de uma ontologia do processo comunicacional.

  7. Emissões naturais e antrópicas de nitrogênio, fósforo e metais para a bacia do Rio Macaé (Macaé, RJ, Brasil sob influência das atividades de exploração de petroleo e gás na Bacia de Campos Natural and anthropogenic emissions of nitrogen, phosphorous and metals into the Macaé river basin (Macaé, RJ, Brazil Influenced by oil and gas exploration in Campos Basin

    Directory of Open Access Journals (Sweden)

    Mauricio Mussi Molisani

    2013-01-01

    Full Text Available Emission factors of natural processes and anthropogenic activities were used to estimate nutrients and metal loads for the lower Macaé river basin, which hosts the operational base for the offshore oil and gas exploration in the Campos Basin. The estimates indicated that emissions from anthropogenic activities are higher than natural emissions. Major contributing drivers include husbandry and urbanization, whose effluents receive no treatment. The increasing offshore oil exploration along the Brazilian littoral has resulted in rapid urbanization and, therefore might increase the inshore emission of anthropogenic chemicals in cases where effective residue control measures are not implemented in fluvial basins of the region.

  8. Eficacia y residualidad de dos insecticidas piretroides contra triatoma infestans en tres tipos de viviendas: Evaluación de campo en Arequipa, Perú

    Directory of Open Access Journals (Sweden)

    Miriam Palomino

    2008-01-01

    Full Text Available Objetivos. Comparar la eficacia residual de dos insecticidas en el control vectorial del Triatoma infestans sobre tres tipos de vivienda en dos localidades de Arequipa, Perú. Material y métodos. Ensayo de campo, se utilizaron formulaciones de polvo mojado de deltametrina y lambdacihalotrina sobre diferentes sustratos (concreto, ladrillo y sillar a dosis de 25 y 30 mg/m2 respectivamente. Se usó 1445 ninfas V de Triatoma infestans en los bioensayos, donde se expuso por 48 horas a los triatominos en la pared rociada y se los observó durante 14 días para evaluar mortalidad. Se realizó la exposición en cada tipo de superficie por insecticida a 24 horas, 30 y 90 días postratamiento. Resultados. A las 24 h la lambdacihalotrina fue más eficaz que la deltametrina en ladrillo y sillar (p0,05. La lambdacihalotrina redujo su eficacia en 23% mensual desde la primera evaluación (p<0,001, r2: 0,95. Conclusiones. La lambdacihalotrina es eficaz en los primeros días postratamiento pero su residualidad es pobre, a diferencia de la deltametrina. Estos resultados deben ser tomados en cuenta para calcular los tiempos de aplicación de cada insecticida en el control vectorial de la enfermedad de Chagas según el tipo de material de construcción.

  9. Contação de histórias: sabedoria e identidade cultural do campo

    Directory of Open Access Journals (Sweden)

    Marciane Aparecida Costa Silva Pereira

    2013-02-01

    Full Text Available É sabido que contar histórias é uma forma de comunicação humana que se estende aos dias de hoje. No entanto, tal prática se vê furtivamente ameaçada pelo desprendimento dos valores culturais tradicionais ante o florescer midiático. Objetivo: O presente trabalho postula o resgate da prática da contação de histórias no seio da comunidade rural de Jatobá, município de Janaúba/MG, através de um plano de intervenção pedagógico, como forma de valorizar as tradições e saberes do campo. Metodologia: Através de procedimentos de campo, foram avaliadas as perspectivas da tradição oral, partindo dos moradores mais antigos da localidade em cruzamento de dados com estudantes da escola local. Foi acionada uma entrevista para o primeiro grupo e um questionário para o segundo, buscando diagnosticar e refletir mais profundamente a realidade da tradição. Resultados: Evidenciou-se que a contação de histórias perde espaço no campo. As novas gerações têm pouco comprometimento e conhecimento das tradições e irrefletidamente se desconectam do núcleo cultural identitário de seu povo. A escola tem o papel de ressignificadora de práticas no resgate do berço cultural local. Considerações finais: A narrativa de histórias é uma atividade de potencial pedagógico inestimável, porém se vê em risco de desaparecimento, cumpre o ofício de seu resgate que se concatena ao resgate cultural e identitário de um povo e ao resgate do próprio indivíduo em seus manifestações e memória.

  10. Environmentally associated ticks (Acari: Ixodidae in Campo Grande, Mato Grosso do Sul, Brazil Carrapatos (Acari: Ixodidae associados com o ambiente em Campo Grande, Mato Grosso do Sul, Brasil

    Directory of Open Access Journals (Sweden)

    Marcos Valério Garcia

    2013-03-01

    Full Text Available Herein, we report tick species found on wild and domestic animals and in the environment during a one-year sampling period at the Brazilian Farming Research Company beef cattle unit (Embrapa Beef Cattle, which is located within the urban area of Campo Grande, Mato Grosso do Sul, Brazil. From 55 wild hosts including six different species (Nasua nasua, Cebus spp., Cerdocyon thous, Myrmecophaga tridactyla, Tamandua tetradactyla and Dasyprocta aguti, 323 ticks were collected. Amblyomma ovale ticks were found solely on coatis, and Amblyomma nodosum was identified solely on anteaters. No ticks were found on capuchin monkeys. However, Amblyomma cajennense was found on all parasitized host species with the exception of capuchin monkeys. Giant anteaters displayed the highest infestation abundance, with a mean of 53 ticks∕animal. Environmental sampling yielded 166 adult A. cajennense ticks. The tick species found on domestic animals (Rhipicephalus (Boophilus microplus, R. sanguineus, Dermacentor nitens and A. cajennense were those typically found on these hosts in Brazil. The most prevalent tick species, A. cajennense, was found on both wild and domestic animals and was also prevalent in the environment. Thus, this tick species is the primary vector that allows pathogens to bridge wild and domestic animals in the Cerrado.Neste trabalho são descritas as espécies de carrapatos de animais selvagens e domésticos e do ambiente coletados por um ano na EMBRAPA Gado de Corte localizado na área urbana de Campo Grande, Mato Grosso do Sul, Brasil. Dos 55 hospedeiros selvagens de seis espécies diferentes (Nasua nasua, Cebus spp., Cerdocyon thous, Myrmecophaga tridactyla, Tamandua tetradactyla e Dasyprocta aguti foram coletados 323 carrapatos. Amblyomma ovale foi encontrado apenas em quatis e Amblyomma nodosum apenas sobre tamanduás. Nenhum carrapato foi encontrado sobre macacos-prego. Por outro lado, Amblyomma cajennense foi encontrado em todos os hospedeiros

  11. El trabajo de campo : una estrategia para captar la complejidad de la realidad dirigida a futuros docentes en ciencias naturales

    OpenAIRE

    Rios Cabrera, M.; Ruedas Marrero, M.

    2009-01-01

    El propósito del trabajo fue captar la opinión de estudiantes de la mención Ciencias Naturales en la UPEL Maracay- Venezuela, acerca del trabajo de campo como estrategia de enseñanza en asignaturas del área científica desde una perspectiva compleja. Se basó en un diseño no experimental, a nivel descriptivo y bibliográfico, apoyado en investigación de campo. La técnica fue la encuesta y el instrumento el cuestionario de respuestas cerradas, politómicas de escala Likert, aplicado a una muestra ...

  12. La escogencia de la cavidad de lorentz en la determinación del campo local de un medio compuesto

    OpenAIRE

    Giraldo Gallo, Jairo

    2013-01-01

    Aunque Electricidad y Magnetismo en su conjunto es una disciplina más que centenaria capaz de dar cuenta de la mayor parte de los fenómenos ópticos que ocurren en la naturaleza, la determinación de los campos mismos en los medios inhomogéneos no ha recibido todavía una solución satisfactoria.En este trabajo se pretende ilustrar cómo un problema aparentemente resuelto, como lo es el de realizar el simple promedio (sin fluctuaciones) para determinar el campo que experimenta una partícula pequeñ...

  13. Análisis de la accesibilidad en los campos de golf de la Región de Murcia

    OpenAIRE

    Zarco-Pérez, P.; Gallardo, A.; J. García-Unanue; Plaza-Carmona, M.; Felipe, J. L.; M. García-Tascón; P. Burillo; L. Gallardo

    2012-01-01

    Otorgar el correcto nivel de accesibilidad en los campos de golf es una premisa fundamental si se quiere fomentar y facilitar el acceso a la práctica del golf por personas con discapacidad. El presente estudio trata de analizar la accesibilidad en los campos de golf de la Región de Murcia. Para ello se recurre a un estudio de carácter cuantitativo utilizando una hoja de observación creada a partir de los criterios de accesibilidad encontrados en la legislación estatal y regional vigente, en l...

  14. EFECTO DE LOS CAMPOS ELÉCTRICOS PULSANTES SOBRE LA ESTRUCTURA DE LA a-LACTOALBÚMINA BOVINA

    OpenAIRE

    M.R. Robles-López; R. Robles de la Torre; M. Camarillo-Cadena; Hernández-Arana, A.; J. S. Welti-Chanes; H. Hernández-Sánchez

    2012-01-01

    El procesamiento por campos eléctricos pulsantes (CEP) es una tecnología no térmica de conservación de alimentos que usa descargas muy cortas de electricidad para la inactivación de enzimas y microorganismos sin alterar las propiedades del alimento. El objetivo del presente trabajo fue aplicar CEP para provocar cambios estructurales en la -lactoalbumina bovina ( -LA). Los tratamientos se realizaron en un electroporador usando intensidades de campo de 4.5, 9 y 10 kV / cm con 2, 4 y 10 pulsos d...

  15. Residual gas analyzer calibration

    Science.gov (United States)

    Lilienkamp, R. H.

    1972-01-01

    A technique which employs known gas mixtures to calibrate the residual gas analyzer (RGA) is described. The mass spectra from the RGA are recorded for each gas mixture. This mass spectra data and the mixture composition data each form a matrix. From the two matrices the calibration matrix may be computed. The matrix mathematics requires the number of calibration gas mixtures be equal to or greater than the number of gases included in the calibration. This technique was evaluated using a mathematical model of an RGA to generate the mass spectra. This model included shot noise errors in the mass spectra. Errors in the gas concentrations were also included in the valuation. The effects of these errors was studied by varying their magnitudes and comparing the resulting calibrations. Several methods of evaluating an actual calibration are presented. The effects of the number of gases in then, the composition of the calibration mixture, and the number of mixtures used are discussed.

  16. Pipeline integrity evaluation: 10 years experience at Campos basin; Avaliacao de integridade de dutos submarinos de transferencia: 10 anos de atividades na Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Bueno, Sergio Ibaje Oliveira; Franzoi, Aldo Renato [PETROBRAS S.A., Rio de Janeiro, RJ (Brazil)

    2005-07-01

    PETROBRAS E and P department (up-stream segment) had assigned first contract for pipeline inspection using smart pigs in 1995. Up to this time only TRANSPETRO (down-stream segment) had an experience with those inspections mainly focused on first generation tools. On this contract, it was first time required high resolution tools, which had bigger defect detection capability and sizing accuracy as advantages but with higher cost. It was regarded necessary due to high costs involved on a virtual sub sea survey or repair. The investment was regarded fair as there is no way to establish correlation digs as well as normally done after on shore pipelines surveys. Actually the first internal inspection was carried out in 1997. From this period it has been realized the enormous importance on verifying all platforms installations and all procedures involving cleaning runs. We have taken many lessons from these inspections. Commissioning using all kinds of cleaning pigs (some was invented) that could be specially contracted on scaling removing jobs; diesel batch to make easy US pigs inspection, cleaning steps that should be gradual to allow receiving of debris without disturbing platforms process efficiency; special tools designed in-house to meet some specific installations requirements as limited pigability; were some issues that demanded efforts on this period. PETROBRAS/E and P through its Campos Basin Production Unit has been strongly involved on looking for solutions to keep its sub sea pipeline net integrity; a strategic asset that will guarantee the Brazilian development on oil and gas production. (author)

  17. Impacts of production of hydrocarbons in Campos Basin: missing or not detected; Impactos da producao de hidrocarbonetos na Bacia de Campos: ausentes ou nao detectados

    Energy Technology Data Exchange (ETDEWEB)

    Alves, Carolina E. [Instituto Brasileiro de Meio Ambiente e Recursos Naturais Renovaveis (CGPEG/DILIC/IBAMA), Rio de Janeiro, RJ (Brazil). Coordenacao Geral de Petroleo e Gas. Diretoria de Licenciamento; Gama, Bernardo A. Perez da [Universidade Federal Fluminense (UFF), Niteroi, RJ (Brazil)

    2012-07-01

    According to the Brazilian legislation, the Environmental Impacts Monitoring Plan is one of the requirements of the environmental licensing to offshore oil and gas production activities. The Monitoring Plan's structure is based upon sampling and evaluation of numerous parameter settings in water and sediment compartments, while the conclusion as to the existence or absence of impact is obtained after statistical analysis of the results. The aim of this work was to evaluate the methodological adequacy of monitoring and to calculate the statistical power of tests applied with the purpose to determine the reliability of their findings. Experiences in other countries like Australia have shown that this is an important instrument in preparing an effective environmental study regarding the detection of impacts. In Brazil, this is the first initiative to critically evaluate the results of reports of environmental monitoring originated from the licensing of hydrocarbons production activities. Campaign reports forwarded to the environmental agency in charge, i.e., the Brazilian Institute of Environment and Renewable Natural Resources (IBAMA), and the selected ventures are located in the Campos Basin and have different operating companies. The results were both relevant and concerning. All monitoring reports confirmed the absence of alterations or impacts on the biotic media for sediment compartments, but the greater statistical power did not exceed 25% for a great magnitude impact. Thus it was concluded that if the oil production activity has caused alterations or impacts to bentonic organisms, the carried out monitoring was inefficient to detect them even if they were of great magnitude. This analysis is expected to be an instrument for future changes in environmental licensing procedures e for the improvement of the environmental public management in Brazil. (author)

  18. Notas de pesquisa de campo em psicologia social Field research notes on social psychology

    Directory of Open Access Journals (Sweden)

    Stella Narita

    2006-08-01

    Full Text Available O presente artigo discute questões teóricas e metodológicas referentes à pesquisa de campo em Psicologia Social. Procura trazer contribuições à pesquisa qualitativa, enfocando especialmente a situação de entrevista e o tratamento dos dados. Utiliza o conceito de habitus de classe de Pierre Bourdieu para debater a relação indivíduo-grupo-sociedade, problema teórico-metodológico de fundo, e tema, fundamental para a Psicologia Social.This article discusses theoretical and methodological issues related to field research on Social Psychology. Its objective is to contribute to qualitative research, focusing mainly on interview situations and data handling. It relies on Pierre Bourdieu's class habitus concept to discuss the individual-group-society relationship, a background theoretical-methodological problem, and a fundamental subject to Social Psychology.

  19. ENVIRONMENTAL SANITATION: BENEFITS TO RESIDENT POPULATION IN THE GARDEN MARABÁ, CAMPO GRANDE, BRAZIL

    Directory of Open Access Journals (Sweden)

    Regina Duarte

    2013-09-01

    Full Text Available This study aimed to compare the records of cases of diarrhea recorded in the Information System for Notifiable Diseases after the implementation of sewage system in Maraba Garden, Campo Grande, Brazil. The Garden Maraba had a degraded area, characterized by exhaustion open. We searched the records of SINAN in the period before and after the environmental changes that community. The results showed that there is an asymmetry in the indicators recorded, where it was hoped that the disease had greater control due to the deployment of exhaustion, especially in cases of diarrhea that persist at levels considerably. The conclusion points to the need to expand the study to address this knowledge gap, so important and what influence and compromises the quality of life of the population, especially in matters related to environmental education.

  20. Glacial changes and glacier mass balance at Gran Campo Nevado, Chile during recent decades

    Science.gov (United States)

    Schneider, C.; Schnirch, M.; Kilian, R.; Acuña, C.; Casassa, G.

    2003-04-01

    Within the framework of the program Global Land Ice Measurements from Space (GLIMS) a glacier inventory of the Peninsula Muñoz Gamero in the southernmost Andes of Chile (53°S) has been generated using aerial photopgrahy and Landsat Thematic Mapper imagery. The Peninsula is partly covered by the ice cap of the Gran Campo Nevado (GCN), including several outlet glaciers plus some minor glaciers and firn fields. All together the ice covered areas sum up to 260 km2. GCN forms the only major ice body between the Southern Patagonia Icefield and the Strait of Magallan. Its almost unique location in a zone affected year-round by the westerlies makes it a region of key interest in terms of glacier and climate change studies of the west-wind zone of the Southern Hemisphere. A digital elevation model (DEM) was created for the area, using aerial imagery from 1942, 1984, and 1998 and a Chilean topographic map (1: 100 000). All information was incorporated into a GIS together with satellite imagery from 1986 and 2001. Delineation of glacier inflow from the central plateau of Gran Campo Nevado was accomplished using an automatic module for watershed delineation within the GIS. The GIS served to outline the extent of the present glaciation of the peninsula, as well as to evaluate the derived historic information. The comparison of historic and recent imagery reveals a dramatic glacier retreat during the last 60 years. Some of the outlet glaciers lost more than 20% of their total area during this period. In February and March 2000 a automatic weather station (AWS) was run on a nameless outlet glacier, inofficially Glaciar Lengua, of the Gran Campo Nevado Ice Cap. From the computed energy balance, it was possible to derive degree-day factors for the Glaciar Lengua. With data from the nearby AWS at fjord coast (Bahia Bahamondes) we computed ablation for the summer seasons of 1999/2000, 2000/2001 and 2001/2002. Ablation at 450 m a.s.l. sums up to about 7 m in 1999/2000, 5.5 m in 2000

  1. Conformación del campo sociológico temprano

    Directory of Open Access Journals (Sweden)

    Diego Larrique Porley

    2009-10-01

    Full Text Available En el pensamiento social de los siglos XVII y XVIII pueden encontrarse los cimientos de lo que más tarde serían las preocupaciones centrales del campo sociológico. El presente trabajo recupera algunas preocupaciones y personajes centrales de esa historia sociológica temprana, con la intención principal de comprender que la consolidación de la sociología del XX es un episodio consecuente con potentes programas intelectuales que se concentraron en la construcción de un nuevo orden social a partir de las consecuencias que en la vida de los individuos tuvieron los procesos de industrialización y modernización general de nuestras sociedades occidentales.

  2. Os Programas Curriculares de Desenho e Trabalhos Manuais na Reforma de Ensino Francisco Campos

    Directory of Open Access Journals (Sweden)

    Denise Perdigão Pereira

    2014-09-01

    Full Text Available Com a Reforma de Ensino Francisco Campos, ocorrida em Minas Gerais no ano de 1927/28, as disciplinas de Desenho e Trabalhos Manuais ganharam destaque no contexto educacional. Este artigo tem por objetivo explicitar as concepções de ensino de arte que se pretendia desenvolver nas escolas, tendo como foco de discussão os programas de Desenho e Trabalhos Manuais publicados em 1928. A abordagem metodológica adotada consistiu na Análise Documental. Como conclusão, o estudo revelou que o ensino de arte desenvolvido na Reforma assumiu um caráter utilitarista, na medida em que esteve voltado para o atendimento das demandas da sociedade em processo de modernização por meio da preparação profissional.

  3. SENES SAPIENTES, SENHORES FUNDIÁRIOS, INTENDENTES E TRABALHADORES NOS CAMPOS ROMANOS

    Directory of Open Access Journals (Sweden)

    Matheus Trevizam

    2012-12-01

    Full Text Available Neste artigo, discutimos o tema dos atuantes na vida rural antiga tal qual descrita no Cato Maior, de Cícero, e no primeiro livro do De re rustica, de Varrão. Personagens como aquelas dos escravos, do senhor, do uillicus, dos trabalhadores livres (em suas terras ou nas terras alheias e do velho “agricultor”, conforme lemos no pequeno diálogo de Cícero, não participam igualmente quando consideramos as duas obras em conjunto. Cícero preferiu idealizar, concentrando suas descrições no idoso sábio nos campos (cujo modelo é Catão, o Velho, enquanto Varrão escolheu a via da documentação histórica, como convém a um texto que se identifica com o grupo dos escritos técnicos em Roma antiga.

  4. Apreciación de la fruta en obras literarias (III: la fruta del Campo Lindo

    Directory of Open Access Journals (Sweden)

    Amalia Castro

    2014-01-01

    Full Text Available En el presente artículo abordaremos la temática de la fruta en la literatura chilena, tanto desde la tradición campesina, representada por la colección FUCOA y otros textos recopilatorios, como aquellos rescatados en las letras populares chilenas, en el ámbito de la literatura criollista y la poesía del siglo XX. Postulamos la presencia de la fruta en estos relatos y poemas como añoranza de un pasado precioso que se perdió. El deseo permanente de volver al “campo lindo” o al espacio del solaz frutal es plasmado por los diferentes autores en sus escritos.

  5. Modelo petrofísico integrado del grupo Guadalupe, aplicado al campo Matachin Norte

    OpenAIRE

    Higuera Barrero, David Alejandro

    2012-01-01

    Una descripción petrofísica detallada se llevó a cabo en ocho núcleos del Alogrupo Guadalupe en los campos Matachín Norte y Matchín Sur, Cuenca del Valle Superior del río Magdalena, Colombia. Los objetivos del estudio incluyen la determinación del efecto de diversos parámetros sobre la calidad del yacimiento, a saber: textura y composición de la roca, diagénesis, estructuras sedimentarias mecánicas y bioturbación. Se construyó un marco estratigráfico al final del estudio mostrando una c...

  6. Dilema de la juventud en territorios rurales de Colombia: ¿campo o ciudad?

    Directory of Open Access Journals (Sweden)

    Claudia Jurado

    2012-05-01

    Full Text Available Resumen: En este artículo presentamos algunos resultados del estudio “Experienciasalternativas de acción política con participación de jóvenes”, trabajo en el que se busca comprenderel modo en que las transiciones demográficas, migratorias y productivas contribuyen a laconstrucción de las identidades juveniles y de sus proyectos de vida, en entornos rurales del EjeCafetero,1 e identificar las motivaciones de los jóvenes y de las jóvenes, sus problemas identitarios,sus expectativas y algunas de las razones para irse del campo. El trabajo nos permite concluir que,aunque el ámbito rural tiende a ser bien valorado como espacio de vida, las expectativas laborales yfamiliares y la identidad de los sujetos jóvenes parece construirse sobre el imaginario de la ciudad.

  7. Bolsas de plástico y lazos sociales. Notas de campo sobre reciclaje

    Directory of Open Access Journals (Sweden)

    Cecilia Montero Mórtola

    2011-01-01

    Full Text Available La protección del medio ambiente no sólo consiste en grandes campañas mediáticas y políticas. Existe una ciudadanía silenciosa que ha empezado a modificar actitudes, rescatar viejas costumbres y adaptarlas a distintos espacios de este mundo globalizado (domésticos, informales.... Un cambio cultural donde la reutilización de objetos desechados, a través de actividades artesanales y educativas, sirve para poner en marcha una serie de vínculos y lazos sociales. Estudiando el reciclaje de bolsas de plástico, la antropología puede restituir esos curiosos procesos organizativos, prácticas sociales sólo visibles a partir de un trabajo de campo continuado.

  8. Francisco Ferreira Saturnino Braga: negócios e fortuna em Campos dos Goytacazes

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    Walter Luiz Carneiro de Mattos Pereira

    2012-12-01

    Full Text Available O artigo pretende investir no estudo da dinâmica da economia em Campos dos Goytacazes, Rio de Janeiro, nas duas décadas que antecedem a abolição da escravatura no Brasil, a partir dos negócios e da fortuna de Francisco Ferreira Saturnino Braga, proprietário de terras, escravos, usineiro, industrial, concessionário de ferrovias e banqueiro, figura-chave para se perceberem as transformações ocorridas em uma área de produção açucareira voltada para o mercado interno. As singularidades e particularidades obtidas pela observação em escala reduzida podem revelar a possibilidade de perceber uma articulação mais ampla com as estruturas de uma economia de mercado.

  9. El cuerpo infantil: campo de batalla moderno. Antioquia (1903-1930

    Directory of Open Access Journals (Sweden)

    CARLOS ARTURO OSPINA-CRUZ

    2010-01-01

    Full Text Available Este texto aborda temáticas relacionadas con la concepción de cuerpo existente para el primer cuarto de siglo XX en Antioquia,1 en momentos en los que este departamento intentaba acomodarse a los lineamientos instruccionistas nacionales de la Ley 39 de 1903 o Ley [Antonio José] Uribe de 1903. La degeneración racial, la instrucción como elemento regenerador y la higiene forman el entramado discursivo con el que intentamos realizar algunas comprensiones analíticas acerca de una nueva y moderna visibilidad del cuerpo infantil con proyecciones laborales. Hablamos de un cuerpo que, en el campo instruccionista, fue mirado con mayor énfasis para la educación física y para ser castigado modernamente.

  10. Electrically heated pipe in pipe system for hydrate prevention on the Campos Basin

    Energy Technology Data Exchange (ETDEWEB)

    Euphemio, Mauro; Montesanti, Jose Ricardo; Braganca, Elton Jorge; Almeida, Murilo Mesquita de; Coelho, Eduardo; Maia, Alexandre Rodrigues; Peres, Marcelo Borges [PETROBRAS, Rio de Janeiro, RJ (Brazil)

    2004-07-01

    This paper will refer briefly to some key aspects considered for the design of an Electrically Heated Pipe-in-Pipe- EHPIP system integrated to an Electric Submersible Pump-ESP, to be located at 1800 m water depth in the Campos Basin. In this system, under normal operation the well will be producing through the ESP and in case of long well shut in and during well restart up, a percentage of the electrical power will be delivered to heat the PIP system. The electrical system will have a common sub sea power cable and an Electrical Switch Module, to switch power alternatively to the heating system or to the pump. The systems will not operate simultaneously. (author)

  11. A new species of Melanophryniscus (Anura, Bufonidae from the Campos Gerais region of Southern Brazil

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    Giovanna C. Steinbach-Padilha

    2008-12-01

    Full Text Available A new species of Melanophryniscus is described from the Parque Estadual de Vila Velha, municipality of Ponta Grossa, Paraná State,Southern Brazil. The Parque Estadual de Vila Velha is located in the Campos Gerais region, an environment dominated by natural grasslands with patches of Araucaria Forest. The new species is distinguished from all congeners by its small size (12.8-14.0 mm snout-vent length in adult males and unique color pattern of copper brown dorsum covered with small spinulose black warts; ventral surface black finely spotted with white, posterior abdomen and ventral surfaces of the forearm, hand and foot with red stains. The new species is nocturnal and breeds in the water accumulated in the leaf-axils of phytotelmata.

  12. Parque da Cidade de São José dos Campos: um estudo de caso

    Directory of Open Access Journals (Sweden)

    Vinie Pedra Jorge

    2007-06-01

    Full Text Available The present work proposes to present a study about the Park of the City of São José dos Campos. Its history and its relations with the local memory have created its own identity in the system of public spaces of the district. Originally designed by Burle Marx as a space surrounding the textile industry Tecelagem Parahyba, the park has been appropriated by the population of the area, going from the condition of private to public space and assuming an identity of public park of the city .It is proposed to discuss the reasons why a park initially part of a private property has extended its uses to the sphere of public life and also to understand its role in the context of the landscape architecture in the city.

  13. INNOVACION CURRICULAR EN TURISMO: UN CAMPO DE ESTUDIO Y REFERENTES PARA LA FORMACIÓN UNIVERSITARIA

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    Lucía M. Collado Medina

    2013-01-01

    Full Text Available El artículo presenta un panorama de la investigación curricular en turismo reportada en México y otros países, principalmente latinoamericanos. Se definen tendencias, impactos, alcances, pautas de problemáticas emergentes, y referentes para aclarar enfoques y modelos de la formación profesional e innovación curricular de este campo. Con base en el método de mapeo se seleccionaron y valoraron las fuentes que sustentan este estudio, mediante las cuales se plantean los retos para la construcción de modelos curriculares innovadores. Se vislumbran nuevos paradigmas inter y transdisciplinarios para abordar curricularmente el caso del turismo. Con respecto a lo anterior, se concluye tomar en cuenta supuestos epistemológicos congruentes con la complejidad y la incertidumbre que subyacen a los modelos de formación en turismo, pertinentes al entorno social y humano.

  14. Unidad de Investigación y Desarrollo OPTIMO : Ultimos desarrollos en el campo del SPECKLE

    OpenAIRE

    Rabal, Héctor

    2011-01-01

    La UID Optimo (Óptica y Metrología Óptica), perteneciente al Dpto. Ciencias Básicas, Facultad de Ingeniería, desarrolla sus tareas de investigación en el campo de la óptica y la metrología en el marco de los Proyectos: I150 "Interacción de la luz con materiales orgánicos mediante técnicas de speckle láser y reflectancia espectral: aplicaciones en biotecnología, agronomía e ingeniería" e I125 “Procesamiento opto-digital de la información empleando portadores aleatorios”. En ambos casos, el ...

  15. Entre puertos, campos y acopios: Trabajo y transporte de granos en torno al Sudeste bonaerense.

    Directory of Open Access Journals (Sweden)

    Paula Tagliabue

    2014-12-01

    Full Text Available En este artículo, se analiza el proceso de trabajo en el transporte automotor de granos en torno al sudeste bonaerense. Desde un abordaje cualitativo, se describen y analizan las prácticas durante la cosecha y pos-cosecha, y los trayectos campo-acopio, acopio-puerto. También se analizan las relaciones laborales a partir de una perspectiva ampliada de las relaciones laborales clásicas (asalariadas, estables, protegidas.Los rasgos que asume el trabajo en el transporte de granos están asociados a los cambios técnicos y tecnológicos de la producción de granos, así como a procesos de flexibilización laboral, vinculados a la disponibilidad permanente para fletar, la extensión de la jornada laboral y la intensidad del trabajo camionero.

  16. Haroldo de Campos e a interpretação luciferina

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    Andrea Lombardi

    2014-05-01

    Full Text Available O caminho que Haroldo de Campos empreende em sua leitura de Dante Alighieri (Traduzir e Trovar e Pedra e luz na poesia de Dante abre para uma leitura audaz da obra do fundador da língua e tradição cultural italiana. Traduzindo partes do Paradiso, ele invoca a metáfora da luz, que remete à visão de um grande intelectual medieval da época de Dante: Robert Grosseteste. Traduzir, para Haroldo, equivale a ler de forma hipercrítica, provocando uma desestabilização radical no texto. Tresler, tresluzir, transcriar, transparecer: são conceitos produto do agrupamento entre leitura/criação, luz e o prefixo trans ou três. Tresler, por ex., pode ter o significado de ler às avessas, mas também: “perder o juízo” ou “dizer tolices”. Há, portanto, um movimento vorticoso em diagonal ou “às avessas” típico de Haroldo de Campos, que salienta uma tensão entre o intelecto em Dante e o caminho místico, que a luz paradisíaca deixa transparecer. O que leva Haroldo a uma recuperação de Lúcifer (Satanás, de acordo com a etimologia “o que traz luz”, que segundo uma tradição popular, é dono da sabedoria superior, negada ao homem comum. Uma singular analogia com o Golem, da tradição hebraica.

  17. Haroldo de Campos e a interpretação luciferina

    Directory of Open Access Journals (Sweden)

    Andrea Lombardi

    2014-06-01

    Full Text Available O caminho que Haroldo de Campos empreende em sua leitura de Dante Alighieri (Traduzir e Trovar e Pedra e luz na poesia de Dante abre para uma leitura audaz da obra do fundador da língua e tradição cultural italiana. Traduzindo partes do Paradiso, ele invoca a metáfora da luz, que remete à visão de um grande intelectual medieval da época de Dante: Robert Grosseteste. Traduzir, para Haroldo, equivale a ler de forma hipercrítica, provocando uma desestabilização radical no texto. Tresler, tresluzir, transcriar, transparecer: são conceitos produto do agrupamento entre leitura/criação, luz e o prefixo trans ou três. Tresler, por ex., pode ter o significado de ler às avessas, mas também: “perder o juízo” ou “dizer tolices”. Há, portanto, um movimento vorticoso em diagonal ou “às avessas” típico de Haroldo de Campos, que salienta uma tensão entre o intelecto em Dante e o caminho místico, que a luz paradisíaca deixa transparecer. O que leva Haroldo a uma recuperação de Lúcifer (Satanás, de acordo com a etimologia “o que traz luz”, que segundo uma tradição popular, é dono da sabedoria superior, negada ao homem comum. Uma singular analogia com o Golem, da tradição hebraica.

  18. Microminerais para bovinos de corte nas pastagens nativas dos Campos de Cima da Serra, RS, Brasil

    Directory of Open Access Journals (Sweden)

    Wunsch Carolina

    2005-01-01

    Full Text Available Em face das poucas informações disponíveis sobre a composição mineral das pastagens nativas da região dos Campos de Cima da Serra (RS, o presente trabalho de pesquisa objetivou avaliar os teores dos principais microminerais, em diferentes épocas do ano, e relacionar o perfil mineral destas pastagens com as necessidades nutricionais recomendadas pelo NRC (1996 para bovinos de corte. O projeto foi conduzido em vinte propriedades particulares, em Cambará do Sul, utilizando áreas de campo nativo que estavam sendo normalmente utilizadas em pastoreio por bovinos de corte e/ou ovinos, e que não tinham sofrido nenhum tipo de melhoria, reforma ou recuperação (exceto queimada, no mínimo nos últimos 20 anos. Colheram-se nas diversas estações, durante um ano, e dentro de uma mesma área predeterminada em cada propriedade, amostras para determinar as concentrações de ferro, manganês, cobre e zinco. Verificou-se efeito do mês de coleta sobre todos os minerais analisados. Constataram-se teores suficientes de Mn e Fe para todas as categorias de bovinos de corte analisadas. Entretanto, algumas amostras apresentaram níveis tóxicos aos animais. Os teores de Cu não são suficientes para todas as categorias de bovinos em alguns meses do ano. Os teores de Zn estiveram abaixo das exigências mínimas para bovinos de corte.

  19. Internet y emociones: nuevas tendencias en un campo de investigación emergente

    Directory of Open Access Journals (Sweden)

    Javier Serrano-Puche

    2016-01-01

    Full Text Available Las emociones han adquirido una importancia creciente en nuestra época, en todos los ámbitos de la sociedad. Esta revalorización de la dimensión afectiva de la persona se ha reflejado, a su vez, en su inclusión como objeto de estudio en investigaciones de numerosas ramas del saber. También dentro de los estudios en Comunicación, y en concreto en relación con la tecnología digital, existe un interés académico por las emociones. Por medio de una profunda revisión bibliográfica, en este trabajo se traza un mapa del campo de estudio en el que convergen las emociones y la tecnología digital; más concretamente, en el uso de Internet. En él se advierte un campo de investigación vibrante, amplio y complejo, en el que confluyen aproximaciones de diferente tipo, tanto en el plano teórico como en el metodológico. El artículo presenta un panorama de las investigaciones realizadas en esta materia, que abarca desde el estudio de las redes sociales como espacios de interacción en el que las emociones son expresadas, el contagio emocional a gran escala o el análisis de sentimientos en las plataformas digitales. Se concluye que la Red no sólo despierta emociones en sus usuarios y sirve de cauce para la expresión de los afectos, sino que también influye en el modo en que dicho afecto se modula y despliega, así como en la configuración de la identidad de la persona.

  20. Materials recovery from shredder residues

    Energy Technology Data Exchange (ETDEWEB)

    Daniels, E. J.; Jody, B. J.; Pomykala, J., Jr.

    2000-07-24

    Each year, about five (5) million ton of shredder residues are landfilled in the US. Similar quantities are landfilled in Europe and the Pacific Rim. Landfilling of these residues results in a cost to the existing recycling industry and also represents a loss of material resources that are otherwise recyclable. In this paper, the authors outline the resources recoverable from typical shredder residues and describe technology that they have developed to recover these resources.

  1. Digital model of the seabed geomorphology of southern-central Espirito Santo basin and northern Campos basin; Modelo digital da geomorfologia do fundo oceanico do centro-sul da bacia do Espirito Santo e norte da bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Schreiner, Simone; Souza, Mariana Beatriz Ferraz Mendonca de; Migliorelli, Joana Paiva Robalo [Petroleo Brasileiro S. A. (PETROBRAS), Rio de Janeiro, RJ (Brazil). Unidade de Servicos de Exploracao e Producao], Emails: schreiner@petrobras.com.br, mbfms.fototerra@petrobras.com.br, joanamigli.fototerra@petrobras.com.br

    2009-05-15

    That communication brings the result of a bathymetric mosaic of converted in a digital model of the ocean topography, consisting of 17 seismic projects 3D, besides 17 multibeam bathymetry surveys of South-Central Espirito Santo Basin and Northern Campos Basin.

  2. Evaluation of residue-residue contact predictions in CASP9

    KAUST Repository

    Monastyrskyy, Bohdan

    2011-01-01

    This work presents the results of the assessment of the intramolecular residue-residue contact predictions submitted to CASP9. The methodology for the assessment does not differ from that used in previous CASPs, with two basic evaluation measures being the precision in recognizing contacts and the difference between the distribution of distances in the subset of predicted contact pairs versus all pairs of residues in the structure. The emphasis is placed on the prediction of long-range contacts (i.e., contacts between residues separated by at least 24 residues along sequence) in target proteins that cannot be easily modeled by homology. Although there is considerable activity in the field, the current analysis reports no discernable progress since CASP8.

  3. A poética da tradução em Walter Benjamin e Haroldo de Campos

    Directory of Open Access Journals (Sweden)

    Luciene Guimarães de Oliveira

    2005-04-01

    Full Text Available Este ensaio visa traçar um paralelo entre a poética da tradução de Walter Benjamin, em “A Tarefa do Tradutor”, e a de Haroldo de Campos, poeta, tradutor, e crítico brasileiro em sua teoria da tradução.

  4. Our Lady del Campo. History of an object in Santa Fe de Bogota. XVI to XX Century.

    Directory of Open Access Journals (Sweden)

    Olga Isabel Acosta

    2010-08-01

    Full Text Available This article begins with a balance of the Colombian historiography of the colonial art and then it concentrates on the study of the Virgen Del Campo. It studies in detail its origin as an object of cult and the growing devotion to this icon since the colonial epoch to the present day.

  5. Diversity patterns in the flora of the Campo-Ma'an rain forest, Cameroon: do tree species tell it all?

    NARCIS (Netherlands)

    Tchouto, M.G.P.; Boer, de W.F.; Wilde, de J.J.F.E.; Maesen, van der L.J.G.

    2006-01-01

    This study describes diversity patterns in the flora of the Campo-Ma¿an rain forest, in south Cameroon. In this area, the structure and composition of the forests change progressively from the coastal forest on sandy shorelines through the lowland evergreen forest rich in Caesalpinioideae with Calpo

  6. Fermentación en estado sólido de Trichoderma harzianum bajo campos magnéticos

    Directory of Open Access Journals (Sweden)

    Siannah M. Mas-Diego

    2015-01-01

    Full Text Available Se comparan los resultados del crecimiento, obtenidos a partir del cultivo sobre soporte sólido del agente de control biológico Trichoderma harzianum (IMI 314381 bajo campos magnéticos a diferentes escalas. Se realizó la fermentación en estado sólido (FES de Trichoderma harzianum (IMI 314381 bajo campos magnéticos estáticos de 60 y 80 mT durante 15 minutos para producciones de 100 g, 200 g y 2 kg, empleando como sustrato bagazo de caña (80 % w/w enriquecido con cabecilla de arroz (20 % w/w. Se obtuvo una estimulación del crecimiento para los experimentos tratados con campo magnético. Los mejores resultados se obtuvieron para el campo magnético de 80 mT. La aplicación del campo magnético a la FES puede aumentar la producción de esporas alrededor de un 50 % con respecto al sistema que no recibe tratamiento magnético. Los mejores resultados se obtuvieron en las columnas de vidrio cargadas con 100 g de bagazo de caña (80 % w/w enriquecido con cabecilla de arroz (20 % w/w. Cuando se aumenta la carga de las columnas desde 100 g hasta 2 kg de sustrato se observa una disminución de la producción de esporas en 51,26 %. Se concluye que en el sistema en columnas el aumento de la carga disminuye el rendimiento, por lo que se sugiere buscar otras soluciones tecnológicas para el escalado.

  7. LA TEORÍA DE LOS CAMPOS DESDE EL PRISMA DE LA LITERATURA / Fields theory through the prism of literature

    Directory of Open Access Journals (Sweden)

    Joseph Jurt

    2015-07-01

    Full Text Available Nota de la traducción: el siguiente texto fue escrito por Joseph Jurt expresamente como introducción para su libro Naciones literarias. Una sociología histórica del campo literario (Villa María, Eduvim, 2014, Colección Entreculturas, compilación de artículos traducida y publicada por el Programa de Historia y Antropología del IDACOR (CONICET/ UNC. Finalmente no integró esa edición, pero por su riqueza e interés lo compartimos aquí. Presenta una síntesis de los problemas analíticos abordados en el libro en torno a la noción de campo literario y sus relaciones con los campos político, científico y artístico, así como sobre la lógica del campo de la recepción.Abstract  This article was originally written by Joseph Jurt expressly as an introduction to Naciones literatias. Una sociología histórica del campo literario (Literary Nations. A historical sociology of the literary field, a compilation of texts translated and published by IDACOR (CONICET / UNC Program of History and Anthropology in its book series Entreculturas (Villa Maria, Eduvim, 2014. Finally this text did not integrate the book, but for its richness and interest we decided to share it in the RMA. It presents a synthesis of the analytical issues addressed in the book about the notion of literary field and its relations with the political, scientific and artistic fields, as well as the logic of the fields of reception.

  8. Emissões naturais e antrópicas de nitrogênio, fósforo e metais para a bacia do Rio Macaé (Macaé, RJ, Brasil sob influência das atividades de exploração de petroleo e gás na Bacia de Campos

    Directory of Open Access Journals (Sweden)

    Mauricio Mussi Molisani

    2013-01-01

    Full Text Available Emission factors of natural processes and anthropogenic activities were used to estimate nutrients and metal loads for the lower Macaé river basin, which hosts the operational base for the offshore oil and gas exploration in the Campos Basin. The estimates indicated that emissions from anthropogenic activities are higher than natural emissions. Major contributing drivers include husbandry and urbanization, whose effluents receive no treatment. The increasing offshore oil exploration along the Brazilian littoral has resulted in rapid urbanization and, therefore might increase the inshore emission of anthropogenic chemicals in cases where effective residue control measures are not implemented in fluvial basins of the region.

  9. Respuesta de geófonos a campos electromagnéticos

    Directory of Open Access Journals (Sweden)

    Patricia M Gauzellino

    2010-12-01

    Full Text Available La electro-ósmosis es el fenómeno físico por el cual una variación de potencial eléctrico, da lugar a una circulación de fluido. El fenómeno recíproco que genera una corriente eléctrica a partir de un gradiente de presión en el fluido, recibe el nombre de electro-filtración. La razón entre las variaciones de potencial y las variaciones de presión representa al coeficiente de acoplamiento electrocinético. Recién en 1999, se realizó una prueba de campo con propósitos exploratorios, donde las ondas sísmicas se generaron a partir de una fuente electromagnética. En el presente trabajo se explica el por qué de estos efectos electrosísmicos o sismoeléctricos, según sea la fuente de origen electromagnético o mecánico, respectivamente. Se presentan las ecuaciones de Maxwell y de Biot acopladas que gobiernan los fenómenos y se analizan los coeficientes de transporte que son la conductividad eléctrica, el coeficiente de acoplamiento electrocinético y la permeabilidad. Es posible hacer ciertas suposiciones que permiten resolver un conjunto de ecuaciones simplificadas donde las respuestas electromagnéticas y las respuestas poroviscoélasticas pueden determinarse unas de otras en forma independiente. En el tratamiento de las ecuaciones de Maxwell se sigue la forma usual de descomponer el campo eléctrico y el campo magnético en campos primarios (o principales que se hallan analíticamente y campos secundarios, como perturbaciones de los primarios, que se calculan numéricamente. Trabajar en el dominio espacio-frecuencia, permite incorporar la naturaleza disipativa del medio poroso en la propagación de las ondas mecánicas, reemplazando los módulos elásticos reales por módulos complejos. Así mismo, se destaca la necesidad de establecer una grilla de cálculo adecuada para representar correctamente los gradientes de presión en el fluido a partir del skin-depth difusivo que se corresponde con la onda lenta de Biot. Ejemplos

  10. Fungicide residues in strawberry processing.

    Science.gov (United States)

    Will, F; Krüger, E

    1999-03-01

    The fate of three fungicides (dichlofluanid, procymidone, and iprodione) applied under field conditions was studied during strawberry processing to juice, wine, and jam. An untreated control was compared to raw material treated with fungicides according to recommended doses and to a sample with 6-fold higher application rates. The highest residue values were found in the pomace after pressing. Residue values in readily produced juices and fruit wines were very low and did not exceed legally required maximum residue levels. Generally, processing steps such as pressing and clarification diminished fungicide residues from 50 to 100%. If the whole fruit is processed, as in fruit preparations or jam, the residue levels remain higher due to missing processing steps. PMID:10552381

  11. Statistical inference on residual life

    CERN Document Server

    Jeong, Jong-Hyeon

    2014-01-01

    This is a monograph on the concept of residual life, which is an alternative summary measure of time-to-event data, or survival data. The mean residual life has been used for many years under the name of life expectancy, so it is a natural concept for summarizing survival or reliability data. It is also more interpretable than the popular hazard function, especially for communications between patients and physicians regarding the efficacy of a new drug in the medical field. This book reviews existing statistical methods to infer the residual life distribution. The review and comparison includes existing inference methods for mean and median, or quantile, residual life analysis through medical data examples. The concept of the residual life is also extended to competing risks analysis. The targeted audience includes biostatisticians, graduate students, and PhD (bio)statisticians. Knowledge in survival analysis at an introductory graduate level is advisable prior to reading this book.

  12. Residual stresses in welded structures

    International Nuclear Information System (INIS)

    The nature of residual stresses in welded structures is discussed in terms of their magnitude, directionality, spatial distribution, range and variability. The effects of the following factors on the residual stresses are considered: material properties, material manufacture, structural geometry, fabrication procedure, welding procedure, post-weld treatments and service conditions. Examples are given of residual stress distributions in plate butt welds, circumferential butt welds and weld cladding. These illustrate the different magnitudes and distributions of residual stress that can be found in different joint geometries, and demonstrate the effects of the mechanical, thermal and metallurgical properties of the constituent materials and the sensitivity of residual stresses to pass sequence and to the restraints applied during welding. Further examples for the common case of circumferential butt welds in pipes and pressure vessels are used to illustrate the extent of residual stresses as a function of distance from the weld and the effects of post-weld heat treatment. Measurements or analytical predictions of residual stresses are often subject to significant scatter or variability. This scatter may be due to systematic factors such as variability in measurement location or material properties, or to experimental error in measured data, erroneous assumptions in analytical modelling or unknown factors such as pre-existing residual stresses, inadequately documented welding or fabrication procedures or unrecorded local repairs. Improved prediction and reduction of uncertainty of residual stresses will require better recording of the whole manufacturing and service history of the welded structure and its component materials and better understanding and analysis of the many processes that may affect the residual stresses

  13. Allochthonous case of visceral canine leishmaniasis in Campo Mourão, Parana, BrazilCaso alóctone de leishmaniose visceral canina, no município de Campo Mourão, Paraná, Brasil

    Directory of Open Access Journals (Sweden)

    Sabrina Marin Rodigheri

    2012-05-01

    Full Text Available This report aims to describe the first case allochthonous of visceral leishmanisasis (VL in the municipality of Campo Mourão, Parana, Brazil, in a canine, Boxer breed, with eye and skin lesions, lymphadenomegaly and splenomegaly, attended at Veterinary Hospital at the Faculdade Integrado de Campo Mourão, after residing in the city of Campo Grande, Mato Grosso do Sul. The diagnosis of the disease was based on direct observation of amastigotes of Leishmania spp., in popliteal lymph nodes, suggesting that a case of VL, since the animal came from an endemic area for the disease. The migration of infected dogs from endemic regions to areas unaffected becomes a problem for public health, since it may allow the installation of new outbreaks by encouraging the spread of disease throughout the country.O presente relato tem por objetivo descrever o primeiro caso alóctone de leishmaniose visceral (LV no município de Campo Mourão, Paraná, Brasil, em um canino, da raça Boxer, apresentando lesões oculares e cutâneas, linfoadenomegalia e esplenomegalia, atendido no Hospital Veterinário da Faculdade Integrado de Campo Mourão, após ter residido na cidade de Campo Grande, Mato Grosso do Sul. O diagnóstico da enfermidade baseou-se na observação direta de formas amastigotas de Leishmania spp., em linfonodos poplíteos, sugerindo ser um caso de LV, uma vez que o animal era proveniente de área endêmica para a enfermidade. A migração de cães infectados de regiões endêmicas para áreas indenes torna-se um problema para a saúde pública, uma vez que poderá permitir a instalação de novos focos, favorecendo a disseminação da doença em todo o país.

  14. Entrelugares: un acercamiento a los blogs de escritores como nuevos espacios del campo literario argentino

    Directory of Open Access Journals (Sweden)

    Vigna, Diego

    2010-01-01

    Full Text Available [es] A partir del interés que suscitan actualmente las relaciones entre la literatura y los formatos de publicación Web, este artículo intenta ofrecer algunas reflexiones teóricas que permitan esclarecer modos de abordar la irrupción del formato Blog en el campo literario argentino, y específicamente la apropiación del formato Blog por parte de escritores consagrados o en vías de consagración que ya ostentan una obra publicada en papel. Las reflexiones se estructuran, entonces, a partir de dos formas de aproximación teórica sobre esta situación que intenta vestirse de “nuevo fenómeno”. Una de ellas pone especial énfasis en el desarrollo tecnológicocomunicacional y en sus implicancias en el dominio cultural, partiendo desde el concepto de industria cultural para analizar el protagonismo del mercado y su influencia en la producción de bienes culturales. La otra aproximación no es ajena a lo anterior pero se encuentra enfocada en la sociología del arte y la literatura, y se constituye como un complemento necesario porque pone su acento en la entidad fundamental para comprender los procesos y las prácticas literarias, precedentes y actuales: el campo literario mismo y sus movimientos internos. [en] From the interest that nowadays the relationship between literature and web publication formats brings about, this article sets out to discuss some theoretical insights that allow clarifying ways of analyzing the irruption of the Blog format in Argentinean literary field. Specifically, the appropriation of the Blog format by recognized authors or by those in the process of being recognized and that have published a book. The reflexions on this situation that attempts to be dressed as “new phenomenon” are structured around two theorical approaches. One puts special emphasis in the technological-communicational development and its implications on the cultural domain, starting from the concept of cultural industry to examine the

  15. La educación popular: campo de acción profesional del trabajador social

    Directory of Open Access Journals (Sweden)

    Carmen A. Guevara V.

    2015-05-01

    Full Text Available La educación popular, constituye un campo de acción donde se desenvuelve el trabajador social, actuando en los contextos familiares, institucionales, comunitarios, populares y en los sistemas sociales donde vive y aprende la gente, diseñando e impartiendo habilidades sociales y cognitivas, que permite al participante tomar decisiones en pro de su bienestar social. El propósito del presente estudio está referido a analizar la educación popular como campo de acción profesional para el trabajador social. La importancia del mismo estará en función de aportar a la formación de este profesional, herramientas teóricas para que esté en capacidad de ser crítico, investigador e innovador en los procesos de educación no formal que tendrá, por sus roles, que asumir. Esta investigación tiene un carácter documental. Para tal fin se consultaron autores como: Aguayo (1992, Carballeda (2002, Dussel (1998, Freire (1993, Gadotti (1991, Kisnerman (1990, Medina (1995, Puyol y Hernández (2009, Viscarret (2007, Habermas (1987, entre otros Entre las conclusiones más resaltante se destacan: Los procesos de educación popular no son neutros al igual que la acción del trabajador social y esto va a depender de la posición que se asuma. Desde el interés técnico, el rol de educador popular, será mediático, para mantener y conservar lo que está dado, la participación que se generará será acrítica, pasiva y no creativa. A lo cual Freire hace una fuerte crítica. Desde el interés práctico, la acción del trabajador social sería transformadora, pues promovería un tipo de participación crítica, reflexiva e interpretativa. Y desde el interés emancipador, la acción de este profesional tenderá a ser transformadora y revolucionaria, logrando una participación comprometida, consciente, autorreflexiva y responsable. Lo planteado no es independiente de las necesidades de los participantes y el trabajador social (educador popular difícilmente podr

  16. Club de campo de la Sociedad Bilbaina Bilbao – España

    Directory of Open Access Journals (Sweden)

    Iñiguez de Onzoño, Félix

    1978-04-01

    Full Text Available The Country Club, with its different installations, forms part of a real estate development covering an area of 320 hectares which will furthermore include 750 plots designed for single dwellings of different types. The Club itself, includes various functions among which we can make special mention of the golf course on the north side, the outdoor tennis courts, to the east, and swimming pools to the south. In the west side, an annexed building houses the indoor tennis and fronton courts. The project has planned ancillary buildings, to be carried out in future which will be designed for a children's nursery and new sports installations. Located on the higher part of the ground, the construction endeavours at the same time to take advantage of the beautiful view of the natural surroundings in its indoor design and, externally, minimizes new building with the country-side and the traditional Basque Country architecture, avoiding contrast or aggressive imposition in both senses. The important roof which makes a sober and balanced movement of volumes and the adequate choice of materials, in neutral tones, for the outdoor coatings and finishes, contribute decisively to achieving this aim.

    El Club de Campo, con sus diversas instalaciones, forma parte de una urbanización de 320 hectáreas de superficie que comprenderá, además, 750 parcelas destinadas a viviendas unifamiliares de distintos programas. El Club, propiamente dicho, incorpora diversas funciones, entre las que destacan: un campo de golf, en el lado norte; pistas de tenis descubiertas, al este, y piscinas, al sur. En el flanco oeste una construcción anexa alberga pistas cubiertas de tenis y frontón. El proyecto tiene previstas edificaciones auxiliares, a realizar en el futuro, que se destinarán a guardería infantil y a nuevas instalaciones deportivas. Situada sobre una porción elevada del terreno, la construcción procura, al mismo tiempo, aprovechar las hermosas vistas

  17. El intelectual y el campo cultural. Una variación sobre Bourdieu

    Directory of Open Access Journals (Sweden)

    Pecourt, Juan

    2007-08-01

    Full Text Available Within the field of the sociology of intellectuals there are many works dealing with the relationship between politics and the intelligentsia. In the past few years, Bourdieu’s work has pushed it again to the frontline. In this article, therefore, I shall argue that some of the theoretical instruments provided by the author of Distinction may help to analyse systematically and with some precision the connections between the field of specialised cultural production and the political field. Later on, I shall also argue that, although Bourdieu’s work clarifies key aspects of this relationship, at some points his conceptual framework seems to be somehow problematic. Making use of other authors, such as Max Weber and Quentin Skinner, I shall elaborate an interpretation of the connections between cultural producers and the political debate that challenges some of the central elements sustaining the bourdieuan vision.

    En el ámbito de la sociología de los intelectuales existen innumerables trabajos donde se analiza la relación entre la intelectualidad y la política. En los últimos tiempos, la obra de Pierre Bourdieu retomó este interés. En este trabajo propongo que algunos de los instrumentos teóricos proporcionados por el autor de La distinción pueden ser de gran ayuda para analizar las conexiones, sin duda escurridizas, que existen entre el campo de la producción cultural especializada y el campo de la política. Más adelante afirmo que, aunque la obra de Bourdieu clarifica aspectos muy importantes de esta relación, en algunos momentos su marco conceptual resulta problemático. Recurriendo a la obra de otros autores, como Max Weber o Quentin Skinner, en este artículo propongo una interpretación de la relación entre los productores culturales y el debate político que modifica aspectos fundamentales de la visión de Bourdieu.

  18. Conceptos de condicionamiento clásico en los campos básicos y aplicados

    Directory of Open Access Journals (Sweden)

    Andrés M. Pérez

    2003-01-01

    Full Text Available El condicionamiento clásico, lejos de tener una clara y única definición, se presenta en la literatura psicológica básica bajo múltiples conceptos basados en diferentes corrientes epistemológicas, tanto de la psicología como de las neurociencias. El objetivo principal de este artículo es presentar un análisis de la literatura acerca de condicionamiento clásico con el fin de discernir los conceptos, explícitos o implícitos, tanto en el campo básico como en el aplicado, el último principalmente en lo referido a las aplicaciones clínicas (psicoterapia. Se detectaron cuatro conceptos bien diferenciados de condicionamiento clásico: 1 Reflexológico (original pavloviano; 2 Conductista (liderado por B.F. Skinner; 3 Cognoscitivo (liderado por R.A. Rescorla; y 4 Neurobiológico (liderado por Eric R. Kandel. Los dos primeros se refieren más al condicionamiento clásico como método mientras que los dos últimos se refieren al condicionamiento clásico como proceso. En la literatura psicológica clínica los conceptos son más implícitos que explícitos; además tales conceptos son más de tipo reflexológico o conductista que cognoscitivo o neurobiológico. Las aplicaciones detectadas bajo esos conceptos han sido: las terapias aversivas y el recondicionamiento (bajo el concepto reflexológico, las terapias de exposición (bajo el concepto conductista, la formación de preferencias del consumidor hacia marcas publicitarias (bajo el concepto cognoscitivo y el condicionamiento del sistema inmunológico (bajo el concepto neurobiológico. A partir de este análisis conceptual se sugiere partir siempre de un ejercicio de identificación del concepto de condicionamiento clásico que se va a seguir ,con el fin de efectuar futuras intervenciones, clínicas o en cualquier otro campo, más precisas y efectivas.

  19. Landfilling of waste incineration residues

    DEFF Research Database (Denmark)

    Christensen, Thomas Højlund; Astrup, Thomas; Cai, Zuansi;

    2002-01-01

    Residues from waste incineration are bottom ashes and air-pollution-control (APC) residues including fly ashes. The leaching of heavy metals and salts from the ashes is substantial and a wide spectrum of leaching tests and corresponding criteria have been introduced to regulate the landfilling...... of the ashes. Leaching test, however, must be selected carefully to provide information relevant for the actual disposal scenario and for evaluating the benefits of pre-treating the residues prior to landfilling. This paper describes research at the Technical University of Denmark addressing some...

  20. Drug Residues and Food Safety

    OpenAIRE

    Bagley, Clell V, DVM

    2001-01-01

    Complaints and demands from consumers concerning a product usually occur after an incident involving injury, illness or death. However, this was not the case with the Alar scare with apples and it is not the case with the concern for drug residues in food animal products. There has been no increase in drug residues; in fact the rate of violation has steadily decreased. Neither has there been any outbreaks of illness, allergic reactions, or deaths related to residues, nor has there been a decr...

  1. Quality of water of a dam located in an agricultural area (Campo Verde, MT, Brazil

    Directory of Open Access Journals (Sweden)

    Ricardo Santos Silva Amorim

    2012-08-01

    Full Text Available In this study spatial and temporal variations in limnological characteristics of a dam located in one of the headwaters of the São Lourenço River (Campo Verde, MT were evaluated. The surrounding area is used for soybeans cultivation, corn, cotton, and pasture. We examined biotic (heterotrophic bacteria and chlorophyll a and abiotic factors (precipitation, air and water temperature, electrical conductivity, dissolved oxygen, pH, turbidity, total phosphorus, nitrite, nitrate, and ammonia nitrogen at three sampling sites along the longitudinal axis of the water body, and at three depths (at the surface, the Secchi depth, and at the sediment-water interface. Samples were taken bimonthly during 2010. Spearman correlation analysis was used to examine the relationship between biotic and abiotic variables, and then principal components and cluster analyses were used to study the relationship between these factors and the variability observed among the various sampling sites, dam depths, and periods of observation. The analyses showed a strong correlation between factors such as rainfall, heterotrophic bacteria, conductivity, turbidity, and phosphorus, indicating the influence of seasonality in cultivated areas. It was observed that the variations between the sampling sites were more significant (p < 0.01 than in the water column for most of the variables, probably due to the particular characteristics of each sample point and its shallow water column.

  2. Os funerais como liturgias cívicas: notas sobre um campo de pesquisas

    Directory of Open Access Journals (Sweden)

    Douglas Attila Marcelino

    2011-01-01

    Full Text Available O artigo analisa o processo de constituição de funerais em liturgias cívicas, destacando sua relação com outros fenômenos históricos, como a conformação dos imaginários nacionais, o processo de individualização moderno e as mudanças nas formas de lidar com a morte. Assim, pretende conjugar elementos que permitam refletir sobre a conformação de um campo específico de pesquisas, cuja potencialidade permanece ainda pouco explorada. Chamando a atenção para os limites das análises centradas apenas nos usos políticos e intencionais do passado, ressalta a importância de considerar as dimensões utópica e imaginária presentes nos rituais e festas cívicas, sugerindo a relevância de tal reflexão para pensar o próprio desenvolvimento da prática historiográfica.

  3. QUANTITATIVE STUDY OF STUDENTS FROM CAMPO MOURÃO - PR APAE SCHOLL WITH RELATIVES PORTER OF

    Directory of Open Access Journals (Sweden)

    Michelle Alves Macena Lacerda¹; Ivone Maggione Fiori1

    2007-06-01

    Full Text Available About 25% of the Brazilian population have some kind of deficiency, among them 50% are mental. Brazilian situation isaggravated due to poverty conditions, misery, malnutrition, need of basic sanitation, disinformation, and precarious healthattendance. It is esteem that 350 million people with deficiency are excluded of any kind of medical attendance. For themaintenance of a person that carries a deficiency, 12,452 dollars are spent annually. On the other hand, “per capita” annual costof primary prevention is 20 dollars and of secondary prevention is 600 dollars. Population does not have access to informationabout causes, prevention and deficient child attendance and demonstrates wrong information, superstition and fears about thissubject. Thus, this study aimed to detect factors that may contribute with the improvement of preventive actions. Data obtainedfrom studies carried out with 100 APAE Scholl students in Campo Mourão allowed to analyze some common characteristicsabout them. One of these characteristics was that from all of 100 students under analysis, 52 had relatives with some kind ofmental, sensorial or additive deficiency. According to this index it is possible to conclude that people that have relatives withsome kind of deficiency also have great probabilities of generate children with deficiencies.

  4. Residência médica em pediatria: no campo de prática

    Directory of Open Access Journals (Sweden)

    Villar Maria Auxiliadora Monteiro

    2002-01-01

    Full Text Available O estudo objetivou identificar em que medida a especificidade do campo de prática do Instituto Fernandes Figueira, Fundação Oswaldo Cruz, contribui para que os médicos residentes em pediatria desenvolvam seu raciocínio clínico, o feeling de gravidade e o domínio de técnicas diagnóstico-terapêuticas. Os dados foram coletados mediante entrevistas temáticas e analisados tendo por base o modelo indiciário. Os resultados apontam para a visão da medicina como ciência e como arte; para o encontro médico-paciente enquanto instância de legitimidade do saber médico; para o conteúdo específico do saber pediátrico como especialidade e para um postulado de gravidade que dificulta a construção do raciocínio clínico e, conseqüentemente, do feeling de gravidade.

  5. Residência médica em pediatria: no campo de prática

    Directory of Open Access Journals (Sweden)

    Maria Auxiliadora Monteiro Villar

    2002-02-01

    Full Text Available O estudo objetivou identificar em que medida a especificidade do campo de prática do Instituto Fernandes Figueira, Fundação Oswaldo Cruz, contribui para que os médicos residentes em pediatria desenvolvam seu raciocínio clínico, o feeling de gravidade e o domínio de técnicas diagnóstico-terapêuticas. Os dados foram coletados mediante entrevistas temáticas e analisados tendo por base o modelo indiciário. Os resultados apontam para a visão da medicina como ciência e como arte; para o encontro médico-paciente enquanto instância de legitimidade do saber médico; para o conteúdo específico do saber pediátrico como especialidade e para um postulado de gravidade que dificulta a construção do raciocínio clínico e, conseqüentemente, do feeling de gravidade.

  6. ATIVIDADE ANTIOXIDANTE E FENOIS TOTAIS DE FRUTAS DE CAMPOS DOS GOYTACAZES - RJ

    Directory of Open Access Journals (Sweden)

    Juliana Araujo Rangel de Almeida

    2011-04-01

    Full Text Available The consumption of fruits, vegetables and has increased mainly due to its nutritional and therapeutic effects.These foods have substances that are associated with beneficial antioxidant effects for human beings,contributing to the improvement of human health, delaying aging and preventing certain diseases. Amongthe various substances which responsible for such protection, some pigments such as carotenoids, flavonoidsand betalaines (phenolic substances may be cited. The aim of this study was to evaluate the antioxidantactivity and total phenolic content of peel and pulp of plum, orange, apple and kiwi acquired in local marketsof Campos dos Goytacazes-RJ. The antioxidant activity was evaluated by DPPH and quantification ofphenolic compounds was performed by Folin-Denis method. It was observed that the peel all fruits studied inthis work showed higher total phenol content of the pulp and kiwi showed that the highest values (981.8mg/100g and 1273.4 mg/100g for peel and pulp, respectively. Regarding the antioxidant activity, the pulpand peel all the fruit had values above 85% of scavenging free radicals, except orange which showed 51.88%and 59.87% of scavenging free radicals to the peel and pulp respectively. However, the present results ofthese fruits are a promising source of antioxidant compounds, whose cultivation and consumption should beencouraged in local trade.

  7. EVALUATION OF DOMICILIARY ORCHARD PROJECT IN JARDIM MODELO FROM CAMPO MOURÃO, PARANÁ.

    Directory of Open Access Journals (Sweden)

    Fabiana Burdini Margonato1, Ademir Peres de Souza2, Eliane AparecidaMiranda Muller2, Natália Ariel Beltrami2, Regina Aparecida Santos Costa2,Terezinha da Conceição Da Silvai2

    2007-06-01

    Full Text Available After the analysis of the main health problems with communitarian leaders from Jardim Modelo - Campo Mourão, a group ofNursing academics from Integrado College considered to implant a Domiciliary Orchard project as part of curricular activities ofCommunitarian Project disciplines. During this discipline, students carried out partnership with Agronomy academics. Diabeticand hypertensive families interested to participate in the project were registered. Afterward, oriented by a nutritionist, visits tofamilies were carried out to inform about alimentary habits and the manner of manipulating food. After the end of discipline theproject was changedded in an extension. This research aimed to evaluate, in short-term, the phase of families’ cadastre andorientation. Domiciliary visits were carried out, in which, questionnaires about the importance of hyposodic diet and correctmanipulation of foods were applied. Interviews with people whom did not accept to participate in the project were carried out, inorder to identify the main reasons about the not acceptance. Results demonstrate that orientations given by academics havebeen of great value for the improvement of life quality of inhabitants, therefore changes in alimentary habits were observed,which reveal the importance of the implantation of prevention actions.

  8. A LUTA PELA TERRA ENTRE A CIDADE E O CAMPO UM OLHAR SOBRE PRESIDENTE PRUDENTE

    Directory of Open Access Journals (Sweden)

    João Vitor Ramos da Silva

    2012-01-01

    Full Text Available Este texto é fruto das ações de pesquisa que vêm sendo desenvolvidas por meio do projeto de iniciação científica, denominado “Significados da Reforma Agrária em bairros periféricos de Presidente Prudente (SP: uma tentativa de diálogo entre a luta pela terra e a Soberania Alimentar”, vigente a partir de fevereiro de 2011, com financiamento da Fundação de Amparo à Pesquisa do Estado de São Paulo – FAPESP. Tem por objetivo apresentar alguns aspectos sobre a relevância da inserção de comunidades periurbanas da cidade de Presidente Prudente no processo de luta pela terra no Pontal do Paranapanema, protagonizado principalmente pelos movimentos socioterritoriais, em especial o MST. O eixo central de análise envolve uma interrelação entre o trabalho, a luta pela terra e la Soberania Alimentar, assim como uma tentativa de construção de uma abordagem ontológica a partir da centralidade do trabalho, que potencialmente contribui para que as dicotomias teoricamente construídas entre cidade e campo sejam superadas, visto que os sujeitos da pesquisa, produtores de espaços/espacialidades e territórios/territorialidades, constituem o foco principal, para além das fragmentações.

  9. NUEVOS DESARROLLOS URBANÍSTICOS EN EL CAMPO DE MURCIA. IMPLICACIONES TERRITORIALES Y PLANEAMIENTO MUNICIPAL

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    Ignacio Aliaga Sola

    2008-01-01

    Full Text Available Desde las postrimerías del siglo XX, el municipio de Murcia ha venido experimentando grandes desarrollos urbanísticos. Mientras el núcleo urbano capitalino se consolida y extiende por sus huertas aledañas, grandes urbanizaciones periféricas asociadas o no a campos de golf, aparecen en su periferia, atestiguando nuevos modelos de crecimiento disperso y ciudad difusa. Una nueva visión del territorio y un nuevo modelo de desarrollo socioeconómico que en los albores del siglo XXI, traen para el área municipal de Murcia cambios en los usos del suelo y el paisaje. Como muestra de este particular fenómeno, en el presente trabajo se analizarán algunos de los proyectos urbanísticos que están dando lugar a nuevos espacios residenciales al Sur del término municipal, en la unidad espacial tradicionalmente conocida como .

  10. Emergência e desenvolvimento inicial de sementes de Dimorphandra mollis Benth. em campo

    Directory of Open Access Journals (Sweden)

    M.F. SOUZA

    2016-03-01

    Full Text Available RESUMO Dimorphandra mollis Benth. (Leguminosae-Caesalpinioideae é uma espécie arbórea, encontrada no bioma Cerrado, utilizada na recuperação de áreas degradadas e na ornamentação. Dos frutos, extrai-se a rutina, um bioflavonoide utilizado na indústria farmacêutica, o qual atua na permeabilidade e na resistência dos vasos capilares. Esta pesquisa teve como objetivo verificar os efeitos do tipo de solo e de adubos sobre a emergência e o vigor da fava-d’anta semeada diretamente no campo. O delineamento experimental adotado foi em blocos ao acaso, em esquema fatorial 4 x 2 (quatro tipos de adubação e dois tipos de solo, com sete repetições de cinco sementes cada. Foram avaliadas as seguintes características: emergência, primeira contagem da emergência, índice de velocidade de emergência, altura e diâmetro da plântula. Não houve interação significativa entre os fatores, tipo de solo e adubos. Os melhores resultados para emergência e IVE são obtidos quando a semeadura é realizada em solo local.

  11. Anatomy and fructan distribution in vegetative organs of Dimerostemma vestitum (Asteraceae from the campos rupestres

    Directory of Open Access Journals (Sweden)

    Taiza M. Silva

    2015-06-01

    Full Text Available Among the compounds stored by plants, several functions are assigned to fructans, such as source of energy and protection against drought and extreme temperatures. In the present study we analyzed the anatomy and distribution of fructans in vegetative organs of Dimerostemma vestitum (Asteraceae, an endemic species from the Brazilian campos rupestres. D. vestitum has amphistomatic and pubescent leaves, with both glandular and non-glandular trichomes. In the basal aerial stem the medulla has two types of parenchyma, which differ from the apical portion. The xylopodium has mixed anatomical origin. Interestingly, although inulin-type fructans with high degree of polymerization were found in all analyzed organs except the leaves, the highest amount and maximum degree of polymerization were detected in the xylopodium. Inulin sphero-crystals were visualized under polarized light in the medulla and in the vascular tissues mainly in the central region of the xylopodium, which has abundant xylem parenchyma. Secretory structures accumulating several compounds but not inulin were identified within all the vegetative organs. The presence of these compounds, in addition to inulin, might be related to the strategies of plants to survive adverse conditions in a semi-arid region, affected seasonally by water restriction and frequently by fire.

  12. Arte y Salud: algunas reflexiones para profundizar las potencialidades de análisis del campo

    Directory of Open Access Journals (Sweden)

    Gabriela Wald

    2015-12-01

    Full Text Available El articulo discute las asunciones más corrientes del campo "arte y salud", específicamente aquellos estudios del mundo anglosajón que analizan los programas de arte basados en la comunidad. Presenta resultados de una investigación cualitativa realizada en dos proyectos de orquestas juveniles con fines de integración social de la Ciudad de Buenos Aires, Argentina. El trabajo muestra cómo las posibilidades de influencia de un proyecto de educación artística dependen no sólo de lo que los programas ofrecen sino, fundamentalmente, de aquello que los participantes traen y son: sus universos de creencias y normativos, sus esquemas de interpretación, posicionamientos morales, repertorios culturales, saberes prácticos, memorias, trayectorias económicas, laborales, educativas. Estos aspectos, que son resultado de procesos de socialización previos, constituyen una suerte de filtro o tamiz a través y a partir de los cuales las intervenciones artísticas pueden – o no – ser apropiadas.

  13. Project finance in Campos Basin; O 'Project Finance' na auto-suficiencia

    Energy Technology Data Exchange (ETDEWEB)

    D' Almeida, Albino Lopes; Mendonca, Roberto Wagner [PETROBRAS, Rio de Janeiro, RJ (Brazil)

    2008-07-01

    The present conquest of the self-sufficiency is a result of 3 decades of investments that started with the discovery of the well 1-RJS-9A in 1974. The second leap was the discovery of giant fields in the 1980 including Marlim (1984) and Albacora (1985) among others. This first two conquests were basically technical and were recognized by the OTC in 1991 and 2000. The third leap was the utilization of project finance structures. We examine the role of project finance in the main projects developed by the PETROBRAS E and P - Exploration and Production - segment in the Campos Basin region. These projects allowed PB to invest more than US$ 6 billion dollars in a five year interval increasing production in 12 oil fields by 75% in a 7 years interval which later enabled PB to be self-sufficient in oil production. The financial structures of Albacora, Barracuda, EVM and Marlim are shown and discussed in various aspects which including structure, schedule, conditionalities, warranties, management of the SPEs and relationship with international agencies. Considering the present quest of developing Tupi and Jupiter which might represent investments around US$ 80 billion and it's impacts to the PETROBRAS capital structure and risk this might be a useful discussion. (author)

  14. Campo de hockey Mariñamansa. Orense (España

    Directory of Open Access Journals (Sweden)

    García Tolosana, Carlos

    2000-06-01

    Full Text Available This article concerns the construction of a Hockey Court made of artificial green and the building where is located the changing room. The arrangement of the surrounding land and the forecast of the necessary room lo allow the construction of a complementary building where the gymnasium will be located, as well as the Federation headquarters, classrooms, a center lo control drugs and some warehouses, are also foreseen.La actuación de que se trata se concreta en la construcción de un Campo de Hockey de Hierba Artificial y del edificio de vestuarios que lo apoya y complementa. También se contempla la ordenación del entorno próximo y la previsión de espacio para permitir la construcción de un edificio complementario en el que ubicar un gimnasio, los locales de la federación, aulas, un centro de control de dopaje y una dotación de almacenes.

  15. A RIFAMPICINA NA DESCONTAMINAÇÃO BACTERIANA DE EXPLANTES DE MAMOEIRO PROVENIENTES DO CAMPO

    Directory of Open Access Journals (Sweden)

    GIOVANNI RODRIGUES VIANNA

    1997-01-01

    Full Text Available Observou-se alta contaminação bacteriana nos explantes de mamoeiro introduzidos in vitro, a partir de plantas matrizes desenvolvidas no campo, independentemente da época do ano em que se realizaram as coletas. O uso de desinfestantes superficiais, como álcool e hipoclorito de sódio, garantiram níveis aceitáveis de controle apenas para fungos, não para bactérias. A rifampicina, por tratamento de imersão ou introdução em meio de cultura, controlou satisfatoriamente as contaminações de caráter endofítico, obtendo-se 70% de explantes sadios, sem sinais de fitotoxicidade.High contamination by bacteria was observed in papaya tissue cuttings introduced in vitro from plants grown in the field, independent of the period of the year that samples were collected. The use of alcohol and sodium hypoclorite did not guarantee good bacteria control. Rifampicin, added as an immersion solution treatment or in the culture media, controlled the internal contamination of explants, without damaging the cuttings. Up to 70% of healthy tissue explants were obtained by the use of rifampicin.

  16. Del campo y la ciudad: percepción social de la (inseguridad alimentaria

    Directory of Open Access Journals (Sweden)

    David Oseguera Parra

    2010-01-01

    Full Text Available Este artículo analiza la percepción social de la seguridad alimentaria entre amas de casa del estado de Michoacán, habitantes de localidades rurales e indígenas de la región purhépecha y de colonias populares en la ciudad de Morelia. Se pretende contribuir a una mejor comprensión de los significados de la seguridad alimentaria, específicamente sobre: riesgos en la alimentación habitual de las familias de bajos ingresos; cambios a largo plazo de su dieta y del contexto; así como de sus esfuerzos para proteger e inclusive mejorar la alimentación familiar. En el medio urbano, esas mujeres perciben riesgos principalmente en la calidad de los alimentos (food safety, mientras que en el medio rural los advierten tanto en el acceso a los alimentos (food security como en la baja calidad de los mismos. Descubrimos dos rasgos nuevos de la percepción de la seguridad alimentaria: el tiempo disponible del ama de casa urbana para cocinar y la continuidad en el campo de una cultura étnica con saberes y habilidades femeninas valiosas. Aún falta mucho por hacer para alcanzar los diferentes tipos de seguridad alimentaria, así como para contar con una democracia alimentaria plena, al igual que una evolución aceptable de México en el aspecto nutricional.

  17. Um Bom Ano para o Campo do Turismo e para Rosa dos Ventos

    Directory of Open Access Journals (Sweden)

    Susana de Araujo Gastal

    2013-12-01

    Full Text Available 2013 foi um bom ano para o campo acadêmico do Turismo, no Brasil. A recém-divulgada avaliação trienal da CAPES mostrou que nossa pós-graduação avançou muito: os programas estabelecidos subiram de conceito – o PPGTUR-UCS, por exemplo, conquistou uma robusta nota 4 – e novos mestrado e doutorado estão se somando ao grupo. A Rosa dos Ventos também apresentou uma bela produção no ano que finda. Além de duas edições regulares, tivemos dois números temáticos, o primeiro sobre Turismo e Gastronomia, organizado por Maria Henriqueta S. Garcia Gimenes-Minasse e Rosana Peccini; e, o segundo, sobre Cidade e Turismo, esteve sob a organização de Antônio Carlos Castrogiovanni e Susana Gastal. No número 5(1 ainda contou com uma sessão especial, organizada por Maximiliano Emanuel Korstanje e Geoffrey Skoll, sobre o tema “The Dialectics of Borders, Empires and Limens”....

  18. APLICACIÓN DE LAS COMUNICACIONES Y NUEVAS TECNOLOGÍAS AL CAMPO DEL APRENDIZAJE MOTOR

    Directory of Open Access Journals (Sweden)

    A. Oña

    2010-09-01

    Full Text Available

    RESUMEN

    En este artículo exponemos las posibilidades de las Nuevas Tecnologías en el campo del Aprendizaje Motor. Explicaremos con detalle las aplicaciones en Investigación, los programas informáticos especializados, las comunicaciones e Internet, el aprendizaje por modelos y práctica asistida, la Simulación y Realidad Virtual y la Tele-educación.
    PALABRAS CLAVE:Nuevas Tecnologías, Informática, Aprendizaje Motor, Comunicaciones e Internet

     

    ABSTRACT

    We expose in this paper the posibilities of News Technologies in Motor Learning. We will explain in detail the aplications in Research, Apply Software, Communications and Internet, Modeling Learning Practice Assisted, Simulation,Virtual Reality and Tele-Education.
    KEY WORDS: News Technologies, computer Science, Motor Learning, Communications and Internet.

     

  19. Moisés Ochoa Campos (1917-1985. El primer politólogo mexicano

    Directory of Open Access Journals (Sweden)

    Víctor Alarcón Olguín

    2016-01-01

    Full Text Available En décadas recientes se vive un segundo gran ciclo de análisis que pretende valorar e investigar sobre los orígenes y características evolutivas que han conformado a la ciencia política mexicana. El presente artículo aborda los elementos biográficos y la obra de Moisés Ochoa Campos (1917-1985, quien en 1955 fue el primer graduado de la carrera de ciencias políticas en México por la entonces Escuela Nacional de Ciencias Políticas y Sociales de la Universidad Nacional Autónoma de México. Se analiza tanto el contenido de la tesis que fuera presentada para la obtención del primer grado académico en ciencia política en nuestro país (la que lo sitúa como uno de los analistas pioneros en materia municipal, así como otros aspectos de su vasta obra escrita. Se destaca que la realización de este tipo de ejercicios biográficos son sustantivos para la preservación de la historia intelectual de la disciplina politológica tanto en México como en la región latinoamericana.

  20. Evaluación del efecto residual del Temephos en larvas de Aedes aegypti en Lima, Perú

    OpenAIRE

    Miriam Palomino S; Lely Solari; Walter León C; Rosario Vega H; Máximo Vergaray C; Luis Cubillas; Rosa Mosqueda C; Norma García A

    2006-01-01

    El temephos ha sido usado como la única estrategia de control para Aedes aegypti en Lima durante los últimos años. Objetivo: Evaluar la eficacia residual de temephos para el control de Ae. aegypti en condiciones de campo y laboratorio en Lima, Perú. Materiales y métodos: Se eligieron ocho tanques bajos de concreto (TBC) depósitos predominantemente infestados con Ae. aegypti en el distrito de San Juan de Lurigancho, situado al norte del área suburbana de Lima. Se cuantificó el número de larvas...

  1. Os BRICS, a cooperação sul-sul e o campo da cooperação para o desenvolvimento internacional

    Directory of Open Access Journals (Sweden)

    Neissan Besharati

    2015-06-01

    Full Text Available A última década foi palco de importantes transformações no campo da Cooperação Internacional para o Desenvolvimento (CID. Nesse período, novos provedores - países em desenvolvimento, agentes privados e organizações civis - tornaram-se protagonistas no campo. Entre os "novos provedores", os países BRICS ocupam posição de destaque. Este artigo discute as transformações estruturais do campo da CID e, particularmente, os efeitos da emergência de novos provedores, como os BRICS, sobre as posições e as dinâmicas que caracterizam o campo. Pretende demonstrar que a emergência de "novos provedores" e de novas modalidades de cooperação internacional resultou no descentramento do campo da CID. Nesse contexto, abre-se um processo de reordenamento do campo no qual a arquitetura institucional da CID se torna palco de intensa disputa política entre doadores tradicionais e "novos provedores". O artigo analisa alguns aspectos centrais dessa disputa e sugere que o processo, em curso, de descentramento e reordenamento do campo da CID desestabilizou não apenas a posição ocupada pelos doadores tradicionais, como também a posição dos novos provedores.

  2. Water management of the Retiro and Casa de Campo lakes in Madrid; Control de la calidad del agua de estanques urbanos recreativos. Ensayos en el Estanque Grande del Retiro y el Lago de la Casa de Campo (Madrid)

    Energy Technology Data Exchange (ETDEWEB)

    Romo Perez, S. [Universidad de Valencia (Spain); Benito Igualador, E. [Ayuntamiento de Madrid (Spain); Becares Mantecon, E. [Universidad de Leon (Spain)

    1998-07-01

    The effects of aluminium sulphate on the water quality of the Retiro and Casa de Campo lakes in Madrid during 1992 and 1993 are reported. Results revealed that this technique improved water quality only for short term periods. The technique mostly reduced nutrients concentrations, but resulted almost inefficient for micro algal control. Some guidelines are given in order to get long-term results for water management of urban lakes. (Author) 15 Refs.

  3. Bovine immunoprotection against Rhipicephalus (Boophilus) microplus with recombinant Bm86-Campo Grande antigen Imunoproteção de bovinos contra Rhipicephalus (Boophilus) microplus com antígeno recombinante Bm86-Campo Grande

    OpenAIRE

    Rodrigo Casquero Cunha; Adalberto Angel Pérez de León; Fábio Pereira Leivas Leite; Luciano da Silva Pinto; Alceu Gonçalves dos Santos Júnior; Renato Andreotti

    2012-01-01

    The southern cattle fever tick, Rhipicephalus (Boophilus) microplus, is no doubt the most economically important ectoparasite of cattle globally. The inappropriate use of chemical acaricides has driven the evolution of resistance in populations of R. (B.) microplus. Anti-tick vaccines represent a technology that can be combined with acaricides in integrated control programs to mitigate the impact of R. (B.) microplus. The recombinant form of Bm86 antigen from the Campo Grande (rBm86-CG) strai...

  4. Pesticide Safety for Farmworkers = Uso Seguro de Pesticidas para los Trabajadores del Campo.

    Science.gov (United States)

    Poli, Bonnie; Fluker, Sam S.

    A booklet for farmworkers and employers uses illustrations and simple text in English and Spanish to inform about the dangers, precautions, and use of pesticides. Topics covered include methods of pesticide absorption; signs/symptoms of pesticide poisoning; first aid; residues; appropriate work clothes; safe and unsafe pesticide practices; how to…

  5. Nitrogen availability of biogas residues

    Energy Technology Data Exchange (ETDEWEB)

    El-Sayed Fouda, Sara

    2011-09-07

    The objectives of this study were to characterize biogas residues either unseparated or separated into a liquid and a solid phase from the fermentation of different substrates with respect to their N and C content. In addition, short and long term effects of the application of these biogas residues on the N availability and N utilization by ryegrass was investigated. It is concluded that unseparated or liquid separated biogas residues provide N at least corresponding to their ammonium content and that after the first fertilizer application the C{sub org}:N{sub org} ratio of the biogas residues was a crucial factor for the N availability. After long term application, the organic N accumulated in the soil leads to an increased release of N.

  6. Corporate law and Residual Claimants

    OpenAIRE

    Black, Bernard

    1999-01-01

    Common shareholders are not the only important residual claimants on a firm's income. Instead, other claimants, including employees, creditors, preferred shareholders, option holders, suppliers, customers, and the government (as tax collector) also often gain substatially when the firm does well, and suffer when the firm does badly. The conventional contractarian explanation for why only common shareholders vote - that they are the firm's principal residual claima...

  7. Parshin residues via coboundary operators

    OpenAIRE

    Mazin, Mikhail

    2012-01-01

    The article consist of two main parts: an analog of the Leray Theory for Singular Varieties and its application to the Theory of Parshin's Residues. The first part is independent from the second. It uses the theory of Whitney stratifications. The second part is an application of the first. In particular, a geometric and very transparent proof of the Parshin's Reciprocity Law for residues is given.

  8. Improvment of wood-residues conversion technology

    OpenAIRE

    Posharnikov, Feliks; Bazarskaya, Nina; Bulanov, Aleksandr

    2011-01-01

    The problem of wood residues conversion is considered. The sizes-based types of wood residues and results of wood residues conversion are presented. Sawdust-based-cement a new original product is offered

  9. Summary of water resources for the Campo, Cuyapaipe, La Posta, and Manzanita Indian Reservations and vicinity, San Diego County, California

    Science.gov (United States)

    Moyle, W.R.; Downing, D.J.

    1978-01-01

    Since 1945, precipitation and runoff in California on the Campo, Cuyapaipe, La Posta, and Manzanita Indian Reservations and surrounding areas generally have been below normal, and ground-water levels are declining. Most of the water is of excellent quality. The analysis of water from one well on the Campo Reservation indicates a concentration of nitrate that exceeds the recommended limit established in 1972 by the U.S. Environmental Protection Agency. Most wells and springs in the study area yield water for domestic purposes. The yields range from less than 1 gallon per minute to 210 gallons per minute. Most of the water is produced from shallow aluvial-filled channels or from consolidated rocks that are deeply weathered locally or highly fractured. The well data show that insufficient water is available on the four reservations for large-scale irrigation. (Woodard-USGS)

  10. Novedoso esquema de realimentación en sistemas de medición de campos magnéticos

    OpenAIRE

    Javier Alexander León Martínez; Joelsy Porvén Rubier; Juan Carlos Cruz Hurtado

    2011-01-01

    En el presente trabajo se presenta una técnica novedosa de realimentación para magnetómetros fluxgate que se basen en el método detección del segundo armónico. Esta nueva técnica consiste básicamente en inyectar una muestra de corriente de la salida en la bobina de excitación, de modo que el campo magnético resultante esté en oposición al campo externo objeto de la medición. Esta forma de compensación ha sido concebida para su implementación en microsensores fluxgate integrados, que se ...

  11. Study of chemical composition of sludges and scales from the oil production activities and correlation with natural radioactivity - case study: Campos Basin, Brazil

    International Nuclear Information System (INIS)

    This work intended to study general aspects related to natural radioactivity, focusing on its occurrence in the oil industry and on sludge and scales samples taken from the Oil E and P region from Campos's Basin. The physical and chemical analysis and the statistical treatment were carried out with the objective of determine the samples composition checking the differences between the sludges and the scales. Third six representative samples were obtained from the Radioprotection and Dosimetry Institute (IRD/CNEN), Brazil, taking into account factors such as activity concentration, physical and chemical aspects and origin. After the oil extraction, samples were classified by aspects as color and granulometry. Ali the studied samples were analyzed by X-rays diffraction being identified the presence of barite, calcite, quartz among others. The results supplied a base for the elaboration of a successive determination scheme which comprehended residual organic material, carbonate, sulfate, silica, chloride and metals as the alkaline, earthy alkaline, aluminum, etc. The sludges presented a highly variable chemical composition, being rich in silica and carbonates. The main components analysis showed a statistical valid relationship among the radium isotopes and the carbonates presence. On the other hand, the scales are made of barium and strontium sulfates (75%), presenting a minor variation on its chemical composition and in the existing radium content. Due to this low variability of the barium, sulfate and radium contents, it has not been possible to consider valid a relationship that could exist among them in the application of the main component analysis. (author)

  12. Ricerche di campo per lo sviluppo della tecnologia del maschio sterile nella lotta ad Aedes albopictus (Skuse)

    OpenAIRE

    Medici, Anna

    2013-01-01

    Aedes albopictus (Skuse), comunemente detta Zanzara Tigre, ha invaso, negli ultimi anni, molti paesi, soprattutto in modo passivo attraverso il commercio di pneumatici usati. Questa specie è particolarmente adatta all'applicazione della tecnica dell'insetto sterile (SIT), basata su allevamento massale, sterilizzazione e rilascio in campo di un gran numero di maschi della specie vettrice. I maschi sterili rilasciati devono essere in grado di volare, di disperdersi sul territorio, di sopravvive...

  13. Salida de campo por Valladolid los días 19 y 20 de mayo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo por Valladolid capital los días 19 de 20 de mayo de 1953, de la que se anotaron observaciones sobre el Erizo (pudiendo ser Erinaceus europaeus o Atelerix algirus), los reptiles: Malpolon monspessulanus (Culebra bastarda, llamada Coleopeltis mouspessulanus por el autor) y Timon lepidus (Lagarto ocelado, llamado Lacerta lepida o Lacerta ocellata por el autor), y las siguientes aves: Asio otus (Búho chico), Clamator glandarius (Críalo europeo), Serinus serinus (Verdecillo), Stur...

  14. Hidrogeoquímica y microbiología en Los Hervideros del Campo de Calatrava (Ciudad Real)

    OpenAIRE

    Yélamos, J. G.; Redondo, R.; Castro, F.; Galván, A.; Martínez Rubio, J.; Rebollo, Luis F.; Ruano, Patricia; Senderos, A. J.; ViIIarroya, F. I.

    1999-01-01

    CÓZ-rich springs and wells in the Campo de Calatrava commonly are named Hervideros. This .ground water is originated by deep circulation along the fractures of the paleozoic rocks of the area, with residence times longer than 15years. The hydrochemical facies is miked-catipn bicarbonate and is related to the extinct yolcanism 6f the area. It is a possibility that not all the Hervideros are originated from volcapic or . > magmatic C02. Bacterial evaluation indicates high values...

  15. AMS-{sup 14}C measurements for the carbonate platform of the offshore Campos Basin, Rio de Janeiro State, Brazil

    Energy Technology Data Exchange (ETDEWEB)

    Coimbra, Melayne M. E-mail: melayne@onda.com.br; Barbosa, Catia F.; Soares-Gomes, Abilio; Silva, Cleverson G.; Rios-Netto, Aristoteles; Mueller, Ken A

    2000-10-01

    As part of our accelerator mass spectrometry (AMS) program in Brazil we prepared and measured some red algae carbonate crust samples from Campos Basin, Rio de Janeiro, Brazil. The measurements were performed at Purdue Rare Isotope Measurement Laboratory (PRIME Lab), Purdue University, IN, USA. This carbonate material is interlaminated with foraminiferal lime mud reflecting recurrent intervals of carbonate development, which might be linked to outer-shelf oceanographic circulation.

  16. Evaluation of residue-residue contact prediction in CASP10

    KAUST Repository

    Monastyrskyy, Bohdan

    2013-08-31

    We present the results of the assessment of the intramolecular residue-residue contact predictions from 26 prediction groups participating in the 10th round of the CASP experiment. The most recently developed direct coupling analysis methods did not take part in the experiment likely because they require a very deep sequence alignment not available for any of the 114 CASP10 targets. The performance of contact prediction methods was evaluated with the measures used in previous CASPs (i.e., prediction accuracy and the difference between the distribution of the predicted contacts and that of all pairs of residues in the target protein), as well as new measures, such as the Matthews correlation coefficient, the area under the precision-recall curve and the ranks of the first correctly and incorrectly predicted contact. We also evaluated the ability to detect interdomain contacts and tested whether the difficulty of predicting contacts depends upon the protein length and the depth of the family sequence alignment. The analyses were carried out on the target domains for which structural homologs did not exist or were difficult to identify. The evaluation was performed for all types of contacts (short, medium, and long-range), with emphasis placed on long-range contacts, i.e. those involving residues separated by at least 24 residues along the sequence. The assessment suggests that the best CASP10 contact prediction methods perform at approximately the same level, and comparably to those participating in CASP9.

  17. The Alegre Lineament and its role over the tectonic evolution of the Campos Basin and adjacent continental margin, Southeastern Brazil

    Science.gov (United States)

    Calegari, Salomão Silva; Neves, Mirna Aparecida; Guadagnin, Felipe; França, George Sand; Vincentelli, Maria Gabriela Castillo

    2016-08-01

    The structural framework and tectonic evolution of the sedimentary basins along the eastern margin of the South American continent are closely associated with the tectonic framework and crustal heterogeneities inherited from the Precambrian basement. However, the role of NW-SE and NNW-SSE structures observed at the outcropping basement in Southeastern Brazil and its impact over the development of those basins have not been closely investigated. In the continental region adjacent to the Campos Basin, we described a geological feature with NNW-SSE orientation, named in this paper as the Alegre Fracture Zone (AFZ), which is observed in the onshore basement and can be projected to the offshore basin. The main goal of this work was to study this structural lineament and its influence on the tectonic evolution of the central portion of the Campos Basin and adjacent mainland. The onshore area was investigated through remote sensing data joint with field observations, and the offshore area was studied through the interpretation of 2-D seismic data calibrated by geophysical well logs. We concluded that the AFZ occurs in both onshore and offshore as a brittle deformation zone formed by multiple sets of fractures that originated in the Cambrian and were reactivated mainly as normal faults during the rift phase and in the Cenozoic. In the Campos Basin, the AFZ delimitates the western side of the Corvina-Parati Low, composing a complex fault system with the NE-SW faults and the NW-SE transfer faults.

  18. A geometria do campo magnético na região da nuvem Lupus 1

    Science.gov (United States)

    Alves, F. P.; Franco, G. A. P.

    2003-08-01

    Apresentaremos os resultados de uma investigação polarimétrica na região de formação estelar junto à nuvem escura Lupus 1. Esse estudo baseia-se em polarimétria CCD obtida na banda R, e cobre Lupus 1, bem como a área vizinha a essa nuvem contendo a cavidade em 100 mm IRAS. Os dados observacionais foram coletados com o telescópio IAG de 60 cm do Observatório do Pico dos Dias (LNA/MCT - Brasópolis - MG). Nossa primeira análise mostra que uma variação da orientação do campo magnético através da região pode produzir padrões complexos de polarização cuja geometria do campo não pode ser facilmente determinada. Os padrões de polarização são inconsistentes com um campo magnético estritamente uniforme e unidimensional em larga escala. Comparação com a emissão em 100 mm mostra que localmente os vetores de polarização exibem um forte alinhamento com a orientação dos padrões observados em infravermelho.

  19. CAMPESINATO, ENSINO DE GEOGRAFIA E ESCOLAS DO CAMPO: O CONHECIMENTO GEOGRÁFICO COMO UM SABER EM CONJUNTO

    Directory of Open Access Journals (Sweden)

    Alexandra Maria Oliveira

    2011-04-01

    Full Text Available  Esta pesquisa tem como objetivo apresentar uma leitura sobre a contribuição da Geografia, como disciplina escolar, na leitura da realidade no semiárido. Aborda-se no texto um momento de socialização de professores e alunos na escola do Assentamento 25 de Maio, Madalena, Ceará. No diálogo, a escola foi vista como lugar de construção de conhecimentos em conjunto com aprendizagens significativas, e a Geografia como disciplina fundamental na compreensão das relações sociais do semiárido. Sua inserção na escola do campo tem acontecido no caminho da proposta dos movimentos camponeses na construção da política educacional para o campo. Essas são interpretações relevantes na compreensão da realidade que envolve a geografia escolar e a escola do campo, que se encontram no processo de espacialização da luta camponesa no Brasil.

  20. Contribuição ao Conhecimento dos Solos dos Campos Gerais no Estado do Paraná

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    Bodziak Jr. Carlos

    2001-01-01

    Full Text Available The present work is the first contribution for the knowledge of the Campos Gerais soils, the study of which was started by the Biological Institute and Technological Research, in Curitiba. In it there are discussed the soils of the Vila Velha region. Exposed the geological constitution of the landscape integrated by devonian beds in the Campos Gerais serie and the glacial deposits of the Itararé formation, the results of petrographic-sediment researches and the coefficients of selection of various sediments are given. A rapid exposition of the phytogeographic and climate conditions - according to Koeppen = 7 Cfb - is followed by the presentation of the results of the physical and chemical researches made in the soils of eight profiles, illustrated with the corresponding charts and by volumetric-chemical diagrams. The authors came to the conclusion that the part of Campos Gerais here taken into consideration is characterized by poor and washed soils, motivated by geological and climatic conditions. These soils lack specially in phosphorus, calcium, nitrogen and potassium. Two of the profiles constituted exception as they correspond to the area covered by a forest island, therefore, showing its soils in a little better condition.

  1. Análisis bibliométrico del campo modelado de difusión de innovaciones

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    LORENA CADAVID HIGUITA

    2012-01-01

    Full Text Available El objetivo del artículo es presentar los resultados de un análisis bibliométrico en el campo del modelado de la difusión de innovaciones que permita realizar un diagnóstico de la evolución y estado actual del tema. La metodología empleada consiste en la construcción y posterior análisis de los indicadores bibliométricos de cantidad y calidad, así como un análisis de la estructura topológica de las redes de autores atendiendo a su evolución temporal en el intervalo 2005- 2011. Como resultado, se encuentra un campo en continuo crecimiento y de gran dispersión, con alta dinámica en la evolución de sus redes. Se recomienda un análisis de texto con ajuste de curvas de difusión que dé cuenta de las tendencias temáticas del campo.

  2. Análisis del campo de esfuerzos en una secuencia lacustre de Precordillera oriental, San Juan-Mendoza

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    Laura P. Perucca

    2008-06-01

    Full Text Available En la quebrada del río Acequión, ubicada en el sur de la provincia de San Juan y norte de Mendoza (32º 10' S, en el centrooeste argentino, se efectuó el análisis de las fallas que afectan depósitos lacustres de edad holocena. Estas fallas se encuentran asociadas a estructuras de licuefacción y avalanchas de roca indicadoras de paleoterremotos, lo que permite extender el registro sísmico de la región hasta el Holoceno temprano. Al comparar el campo de esfuerzos regional actual (determinado por sismicidad instrumental, con el cálculo del mecanismo focal de los terremotos recientes ocurridos en la región con el campo de esfuerzos local, se observó que mientras el primero se caracteriza por la compresión, el campo local de la secuencia lacustre es extensional. Esto indicaría que aunque el esfuerzo regional actual es compresivo y de dirección NE-SO debido a la convergencia entre las placas de Nazca y Sudamérica, el antiguo lago adosado a las sierras de Pedernal y Los Pozos, está afectado por fallas normales, principalmente debido a esfuerzos locales distensivos originados por el reacomodamiento de estos depósitos durante el levantamiento de las zonas montañosas aledañas.

  3. Génesis del campo de Internet en Colombia: elaboración estatal de las relaciones informacionales

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    Camilo Andrés Tamayo

    2009-01-01

    Full Text Available El artículo analiza, siguiendo la propuesta de Pierre Bourdieu, las relaciones sociales que permitieron la emergencia del campo de Internet en Colombia. Aborda el período 1986-2007, para demostrar cómo el Estado fue el principal agente encargado de operar sobre un conjunto de condiciones que le posibilitó a un determinado grupo competir entre sí y encontrarse bajo la forma de relaciones de oferta y demanda. El documento está dividido en tres partes que reseñan el contexto de apertura económica y liberalización del mercado, la creación de la Comisión de Regulación de Telecomunicaciones y el Ministerio de Comunicaciones y las dinámicas más recientes que han permitido que el campo de internet se disuelva en el campo más amplio de las telecomunicaciones, a través del proceso de convergencia de servicios.

  4. Campos de estupro: as mulheres e a guerra na Bósnia Rape camps: women and war in Bosnia

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    Andréa Carolina Schvartz Peres

    2011-12-01

    Full Text Available A guerra na Bósnia-Herzegóvina organizou territórios etnicamente e redefiniu as categorias étnico-nacionais - sérvia, croata e bosniac (muçulmana. Enquanto os soldados combatiam nas linhas de frente, inúmeras eram as atrocidades testemunhadas em outros campos de batalha: casas, vilas, cidades, campos de detenção e concentração e os campos de estupro. Faço neste artigo uma revisão da discussão acerca do estupro na guerra na Bósnia, como este pode ser visto como arma de guerra e um instrumento de limpeza étnica e de tentativa de extermínio.The war in Bosnia and Herzegovina ethnically organized territories and redefined the ethno-national categories and groups - Serbs, Croats and Bosnians (Muslims. Beside the battles between soldiers at the front lines, several atrocities used to happen in other fields: homes, villages, cities, detention places, concentration camps, and the rape camps. This article introduces the debate about the rapes that occurred during the war in Bosnia and the ways to understand them: as a war weapon, as an ethnic cleansing tool, as an attempt to extermination.

  5. Intensidad de un haz de luz con momento angular orbital entero y no entero en campo lejano

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    Cristian Hernando Acevedo Cáceres

    2014-01-01

    Full Text Available La forma del patrón de intensidad en campo lejano de un haz luminoso con un valor bien definido de momento angular orbital entero y no en - tero es analizada teórica y experimentalmente. Mediante simulaciones numéricas de una onda plana difractada por un holograma en forma de tenedor se calcula para los haces con momento angular orbital entero m el radio promedio del anillo interno del haz en el régimen de Fraunhofer, mientras que para los haces con momento angular orbital no entero M se analiza la rotación de la distribución de intensidad en el campo lejano difractado provocada por el giro de la discontinuidad en el holograma en forma de tenedor. Los resultados experimentales de la forma del patrón de difracción en campo lejano de un haz con momento angular orbital entero y no entero producto de hacer incidir una onda electromagnética plana sobre un holograma computarizado en forma de tenedor desplegado sobre un modulador espacial de luz son presentados para corroborar los resultados teóricos.

  6. O campo do currículo no Brasil: construção no contexto da ANPED

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    Moreira Antonio Flavio Barbosa

    2002-01-01

    Full Text Available O campo do currículo está se caracterizando, em diferentes países, por uma significativa diversificação de temas e de influências teóricas. Apoiando-se no conceito de campo de Bourdieu, o texto aborda o campo no Brasil, tal como vem sendo construído no Grupo de Trabalho - GT - de Currículo da ANPEd. Examina o funcionamento do grupo, procurando situá-lo no contexto mais amplo da associação e das políticas de pós-graduação. Focaliza, a seguir, os trabalhos apresentados nos encontros ocorridos no período de 1996 a 2000. Critica o grande número de textos selecionados, o que tem contribuído para a secundarização da discussão de problemas educacionais que carecem de atenção. Propõe perguntas e sugere estratégias que possam enriquecer o processo de construção do conhecimento desenvolvido no GT.

  7. O campo da fotografia profissional no Brasil The field of professional photography in Brazil

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    Maria Beatriz R. De V. Coelho

    2006-06-01

    Full Text Available Este artigo procura traçar um panorama do campo da fotografia profissional no Brasil desde o primeiro governo Vargas até o final do século XX. Nas décadas de 1930 e 1940, nova leva de fotógrafos estrangeiros se mudou para o país. Alguns ocuparam postos no governo federal e construíram a imagem fotográfica da Nação. Em meados do século, a maneira de se fazer fotografias para a imprensa sofreu profunda alteração e pela primeira vez um museu brasileiro expôs fotografias. A ditadura militar interferiu decisivamente na produção da indústria cultural. Os anos de 1970 foram marcados pela transformação no perfil profissional e do status dos fotógrafos, causados principalmente pela entrada no mercado de jovens saídos das universidades. Nesta mesma década foi criada uma instituição destinada a valorizar a fotografia brasileira em todas as suas dimensões: o Núcleo de Fotografia da Fundação Nacional de Arte. Finalmente, o campo da fotodocumentação recebeu um forte impulso com a criação de bolsas e de leis de incentivo que, ao lado de um aumento significativo do mercado consumidor de livros de fotografia, permitiu a multiplicação não só de trabalhos autorais, como também de publicações.This article draws an overview of the field of professional photography in Brazil since the first Vargas administration to the end of the Twentieth Century. In the 30.s and 40.s, a new host of photographers came to live in Brazil from various countries. Some of them took positions in the Federal Government and were responsible for building a photographical image of the Nation. In the middle of the Century, the technique to make photos for newspapers suffered a profound change and, for the first time, a Brazilian museum organized an exhibit of photographs. The military dictatorship decisively interfered in the cultural industry. The 70.s were marked by changes in the status and in the professional profile of photographers, brought about

  8. Caderno de campo digital: antropologia em novas mídias

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    Luiz Eduardo Robinson Achutti

    2004-06-01

    Full Text Available A pesquisa apresenta uma experiência de etnografia e fotoetnografia com equipamento digital. Busca registrar as transformações por que passa uma comunidade rural e pesqueira pertencente a Viamão, na Grande Porto Alegre, RS, Brasil. Margeada pelo rio Guaíba (na verdade, lago e pela lagoa dos Patos (na verdade, laguna, com a chegada do asfalto no ano de 2002 e a abertura à visitação de parque de reserva ambiental, a vila, chamada Vila de Itapuã, passou a atrair visitantes e a romper com o isolamento. Tal isolamento foi determinante para que na década de 1940 no local fosse construído o Hospital Colônia, uma prisão-tratamento para leprosos. A pesquisa busca registrar a cultura açoriana ali remanescente e, sobretudo, pensar o moderno que penetra o tradicional e todas as implicações desse entrelaçamento na construção de uma identidade local. Paralelamente à modernização que alcança o campo da investigação, a pesquisa também traz inovações metodológicas, ao testar e ampliar o uso da fotografia digital como um recurso para a fotoetnografia, discutir os seus recursos e limites e também os recursos da Internet, uma vez que o caderno de campo é publicado sistematicamente no site www.ufrgs.br/fotoetnografia, no ar desde o mês de julho de 2003.This research presents an ethnographic and photoethnographic experiment with digital equipment. The research aims to register the transformations through which a rural fishing community is going through, in Viam��o, in the vicinities of Porto Alegre, RS, Brazil. The Vila, called Vila de Itapuã, is surrounded by the Guaíba river on one side and by the Patos lagoon on the other; in the year 2002 the paths to the Vila were asphalted and a wild life reserve park was opened, inviting visitors to end this Vila's isolation. The former isolation of the place was a fundamental reason for the establishment, in the 1940's, of the Colony Hospital, a prison-leprosarium. The present research

  9. Upwelling processes along a western boundary current in the Abrolhos-Campos region of Brazil

    Science.gov (United States)

    Aguiar, A. L.; Cirano, M.; Pereira, J.; Marta-Almeida, M.

    2014-08-01

    Upwelling events observed from the years 2003 to 2011 were analyzed. Our focus was on the Abrolhos-Campos region (ACR, 15°S-23°S), which is located along the Brazilian Margin and influenced by a western boundary current, the Brazil Current (BC). Satellite sea surface temperature, National Centers for Environmental Prediction (NCEP) and Global Forecast System (GFS) wind data were used to complement the results of a high-resolution regional oceanic model to investigate the occurrence of and the mechanisms responsible for intense upwelling events in this region. These events were more frequent from 20°S to 23°S. Over 90% of the identified upwelling events were influenced by favorable wind stress. Surface Ekman transport was found to be more important for the region from Prado (17°S) to Marataízes (21°S), whereas upward Ekman pumping played a more important role from 22°S to 23°S. Current-driven upwelling processes associated with the location of the BC as well as its velocity and meso-scale activity were also analyzed. The results showed that these mechanisms are highly influenced by the local topography. Topographic effects exerted via the acceleration of the BC are more obvious in the southern ACR, while in the Prado region, BC cyclonic meanders tend to be more relevant. Moreover, eddy-driven upwelling increases in the southward direction after the passage of the Vitória-Trindade Ridge (20°S), an important submarine chain, which acts to constrain and modulate the southward flow of the BC.

  10. PROCESSO SUCESSÓRIO FAMILIAR: UM ESTUDO REALIZADO EM DUAS EMPRESAS DE CAMPOS DOS GOYTACAZES - RJ

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    Carla de Souza Gomes Silva

    2014-11-01

    Full Text Available As organizações familiares estão presentes em todo contexto mundial, sendo micro ou pequenas empresas, são elas as responsáveis por grande parte da economia em no Brasil, elas surgem a partir de um sonho e do esforço de empreendedores que buscam construir um negócio lucrativo que dure por gerações. Entretanto, mesmo sendo tão representativas essas empresas enfrentam dificuldades durante a sucessão, que devido à falta de planejamento sucessório e da preparação dos futuros herdeiros muitas delas não chegam a segunda e a terceira geração. Com este trabalho foi possível analisarmos o processo sucessório e a importância do planejamento e da profissionalização dos sucessores. Os dados foram coletados por meio de entrevistas com base em um roteiro de perguntas semi estruturadas realizadas com os sucessores de duas pequenas empresas familiares em Campos dos Goytacazes que já passaram pelo processo sucessório. Apesar de não ter ocorrido um planejamento sucessório o fato dos sucedidos levarem seus herdeiros para a empresa quando crianças e os familiarizando ao negócio contribuiu para que a transição ocorresse sem muitos impactos dando continuidade a um empreendimento próspero.

  11. Vanguardias: institución y Representación en el Campo Cultural

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    Strá, Sebastián Matías

    2010-01-01

    Full Text Available [es] Este trabajo plantea, básicamente, la indagación sobre un momento determinado del Campo de Producción Cultural. Un momento que nos posibilitó la pregunta por algunos conceptos que aparecen viabilizados en la existencia de las vanguardias europeas de principios de siglo XX. Este período de la historia del arte puso en jaque la Representación y la Institución, sobre todo mediante las “tomas de posición” de aquellos grupos, presentes no sólo en las obras concretas, sino en sus producciones discursivas.En estas producciones nos centraremos, indagándolas a partir de la lectura de los manifiestos publicados por dichas vanguardias. De allí el intento de acercarnos a un momento que aparece como prólogo general a la problemática relación entre lenguaje, estética y representación en una forma de experiencia que para muchos puede ser denominada posmoderna. [en] This work basically raises inquiries about some concepts which appeared among the European avant gardes at the beginning of the 20th century. This period of the art history checkmated the Representation and the Institution, especially due to positions taken by the avant gardes, depicted not only on specific art works but in discourse production as well.Important emphasis will be put on this production scrutinizing the manifestos published by these groups of artists. Therefore, this attemp to approach a moment which seems to be a general prologue to the problematic relationship between language, aesthetics and representation that many people would call a postmodern experience.

  12. en Andalucía: resultados de una investigación de campo

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    Mónica Dammacco

    2005-01-01

    Full Text Available Partiendo de una analisis del fenómeno de las inmigraciones femeninas y de la inversión de tendencia que está viviendo España, hemos dirigido este estudio a las mujeres marroquíes, colombianas y ecuatorianas por la referencia estadística de la cual resulta su mayor incidencia en la totalidad de los inmigrantes presentes en España y en Andalucía. Este estudio nace de la constatación de la existencia de elementos característicos en el estudio de la fecundidad y de la exigencia científica de estudiar algunos elementos que la caracterizan y que hasta hora no resultan estudiados. Fundamental para la descripción de estos elementos ha sido el desarrollo de una investigación de campo que ha tenido lugar en Granada y que ha analizado la propensión a la procreación de estas mujeres a través del estudio de los comportamientos reproductivos, de la historia migratoria, de la condición familiar y del trayecto de inserción económico y social. Ha sido posible efectuar una análisis en profundidad de la fecundidad de estas mujeres a través de un cuestionario proyectado a la recogida de informaciones que atañen las condiciones de vida y la posible contribución que estas mujeres aportan al País de acogida.

  13. Petrochemical characteristics of Serra do Meio alkaline granite (Campo Alegre de Lourdes - Bahia State)

    International Nuclear Information System (INIS)

    The Serra do Meio granite outcrops near the town of Campo Alegre de Lourdes, north-northeast of Bahia State. The granite is intrusive into micachists, which are correlatives of the Salgueiro-Cachoeirinha Group (Early Proterozoic), during early to the syn-tectonic shear phase. The geological setting also comprises a phosphatic rock-bearing carbonatitic complex and gabbroid complexes with one of the main world resources of Fe-Ti-V. The granite mineralogical composition grades from Aegerine-augite alkali-feldspar granite/syenites to Leuco alcali-feldspar granite. The geochemical analysis shows SiO2-enrichment (67 to 76%), in alkalis (Na2+K2O, 7,5 to 12,5%), Nb (up to 680ppm), Zr (up to 2,390ppm), Y (up to 250ppm) e REE (up to 796ppm). The geochemical behaviour is peculiar to alkaline series, denoting a silica-oversaturated, potassium-rich, magma. The chondrite-normalized REE patterns display a first group with smooth slopes from the La to Lu, and a second one with negative slopes. Negative Eu anomalies are displayed in all the patterns. The first group is HREE-enriched, with low fractionation ratios. Samples with milonytic fabrics and higher fractionation ratios are related to the second group, suggesting the interaction of metassomatic fluids and the alkaline magma. Discriminant diagrams for Nb, Y and Rb, coupled with geophysical data, point to an intrusive granite in an extensional within a plate tectonic setting of attenuated continental crust. (author)

  14. Transistor por efeito de campo e fotocondutor de poli(o-metoxianilina.

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    Roberto K. Onmori

    1998-03-01

    Full Text Available RESUMO: Esse artigo apresenta resultados sobre fabricação e caracterização de um transistor por efeito de campo (FET tendo a poli(o-metoxianilina - POMA - como material ativo. Uma adaptação de processos de microeletrônica tradicional foi feita para a confecção desse dispositivo. O FET desenvolvido apresentou modulação por voltagem de porta Vg, mas operou mesmo em Vg=0. A corrente de dreno I D aumentou significativamente sob iluminação na região da radiação visível e infravermelho próximo, mostrando o caráter fotocondutor da POMA dopada e, portanto, do dispositivo. Um modelo teórico baseado nos mecanismos de condução eletrônica da POMA, e de efeitos de interface metal-polímero foi elaborado, ajustando-se muito bem aos resultados experimentais.ABSTRACT: A field effect transistor - FET made from poly(o-methoxyaniline (POMA, which is a conductive polymer, was developed. Several modifications were carried out to adapt the procedures generally used in traditional device developments. The characteristic of the FET produced was sensible to the gate modulation, but it operates even for V G = 0. The drain current I D enhanced under visible and near infrared radiation, showing the photoconductor character of POMA and, consequently, of the device. A theoretical model, based on the electronic properties of POMA and on the metal-polymer interface, was developed which is in good agreement with the experimental results.

  15. Distribution and evolution of secondary metabolites in Eriocaulaceae, Lythraceae and Velloziaceae from "campos rupestres"

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    Salatino Antonio

    2000-01-01

    Full Text Available Hypotheses are presented on the evolution of structural patterns of secondary metabolites (flavonoids and foliar wax alkanes and fatty acids of families of "campos rupestres". The distribution of fatty acids is given for genera of Lythraceae, with emphasis on Cuphea (supposedly more advanced and Diplusodon. Compounds with saturated short chains represent a derived condition in Lythraceae although they are probably restricted to Cuphea. It is suggested that evolution selected for more complex flavonoid patterns in Cuphea, with the inclusion of C-glycoflavones and methoxylated flavonols (rhamnetin and isorhamnetin, which are not found in members of Diplusodon and Lafoensia. The supposedly primitive groups of Eriocaulaceae (e.g., Paepalanthus presented more complex flavonoid patterns characterized by flavones and flavonols, the latter frequently being 6-hydroxylated or methoxylated. More advanced groups of Eriocaulaceae (e.g., Leiothrix and Syngonanthus apparently possess only flavones, C-glycoflavones are a salient feature of species with smaller habits. In Velloziaceae, members of the primitive subfamily Vellozioideae show distribution of alkanes of foliar epicuticular wax in which C27, C29 or C31 predominate; members of the derived subfamily Barbacenioideae usually show distributions with a predominance of C33 or C35, while species of Pleurostima (Barbacenioideae have C31 as the main homologue, thus being intermediate between the two subfamilies. It is suggested that the evolution of alkanes in Velloziaceae follows a trend toward elongation of carbon chains. The condition of advanced or primitive chemical patterns is inferred from the results of cladistic analyses based on morphological characters (Eriocaulaceae and Lythraceae, and morphological and molecular characters (Velloziaceae.

  16. ESTRUTURA FUNDIÁRIA E DINÂMICA SOCIOTERRITORIAL NO CAMPO BRASILEIRO

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    Eliane Tomiasi Paulino

    2011-01-01

    Full Text Available En Brasil, la idea de que la efi ciencia económica en la agricultura está directamente relacionada al tamaño de la propiedad está fuertemente incorporada. Esa herencia, al ser apropiada según las conveniencias de los grupos hegemónicos instituidos dentro de lo que se denomina de capitalismo rentista, han resultado en acciones políticas que enaltecen a la producción de commodities, sintetizadas en la expresión agronegocio, tomado como sinónimo de propiedad técnicamente moderna y con grandes dimensiones. Por consiguiente, la pequeña propiedad se tiene como reducto de la baja productividad y de la incapacidad de producir en escala compatible con las necesidades del mercado, lo que justifi caría la omisión del Estado en la recaudación de la enorme cantidad de tierras públicas invadidas, la poca relevancia de las políticas de reordenación agraria y los parcos recursos concedidos en créditos agrícolas. Sin embargo, al establecerse un recorte multiescalar en el análisis de los datos ofi ciales disponibles, particularmente los del último Censo Agropecuario, se concluye que al contrario de lo que se proclama y se ejecuta en los términos de políticas territoriales para el campo, son exactamente los pequeños establecimientos los más productivos y los que más generan empleos, a pesar de la asimetría de las políticas públicas agrícolas y la escasez de tierras a su disposición.

  17. CO-PYROLYSIS OF POLYPROPYLENE WITH PETROLEUM OF BACIA DE CAMPOS

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    DE ASSUMPÇÃO, Luiz Carlos Fonte Nova; MARQUES, Mônica Regina da Costa; CARBONELL, Montserrat Motas

    2009-01-01

    Full Text Available In this study, the process of co-pyrolysis of polypropylene (PP residues with gas-oil was evaluated, varying thetemperature and the amount of polypropylene fed to the reactor. The polypropylene samples and gas-oil weresubmitted to the thermal co-pyrolysis in an inert atmosphere, varying the temperature and the amount of PP.The influence of the gas-oil was evaluated carrying the co-pyrolysis in the absence of PP. The pyrolysed liquidsproduced by this thermal treatment were characterized by modified gaseous chromatography in order toevaluate the yield in the range of distillation of diesel. As a result, the increase of PP amount lead to a reductionin the yield of the pyrolytic liquid and to an increase of the amount of solid generated. The effect of temperatureincrease showed an inverse result. The results show that plastic residue co-pyrolysys is a potential method forchemical recycling of plastic products.

  18. El teatro de Jesús Campos o el falso dilema entre tradición y vanguardia

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    Muñoz Cáliz, Berta

    2015-12-01

    Full Text Available In the framework of the artistic postmodernism, and with reference to the movement of the trans-avant-garde in Italy, whose ideology we find clear similarities, the theatre of Jesús Campos, located by critics within the movement called «Nuevo Teatro Español», due to their expressive boldness and its commitment to anti-Franco, however differs from most of the authors. Thus, unlike these playwrights, Campos does not reject frontally the realism of 50 and 60, or the tradition of comedy and the sainete frequented by conservative authors of the time. On the contrary, since its inception in the early 1970s, Campos uses both forms as expressive resources, from the conviction that the avant-gardes are just one more link in tradition. The analysis of these aspects calls into question the periodization that is being commonly used in the most recent Spanish theatre historiography.En el marco de la posmodernidad artística, y tomando como referencia el movimiento de la transvanguardia en Italia, con cuyos presupuestos encontramos claras similitudes, el teatro de Jesús Campos, situado por la crítica dentro del movimiento llamado «Nuevo Teatro Español», debido a su audacia expresiva y a su compromiso antifranquista, se distingue no obstante de la mayoría de los autores de este grupo en que, lejos de rechazar frontalmente el realismo de los años 50 y 60, ni la tradición de la comedia y el sainete frecuentadas por los autores conservadores del momento, Campos, ya desde sus inicios a comienzos de los 70, emplea unas y otras formas como recursos expresivos, desde el convencimiento de que las vanguardias no son sino un eslabón más de la tradición. El análisis de estos aspectos pone en cuestión la periodización que viene usando de forma habitual la historiografía del teatro español más reciente.

  19. Vascones in the Roman army during the “Bellum Cantabricum”? The coin pendant appeared in Campo de Las Cercas (Cantabria

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    Antxoka MARTÍNEZ VELASCO

    2010-08-01

    Full Text Available A Vasconian coin recovered from the Roman military camp known as El Campo de Las Cercas is interpreted as a hanging object used by a Vasconian auxiliary during the Cantabrian Wars.

  20. Spettrometro e la segnatura muonica dell'esperimento OPERA

    CERN Document Server

    Di troia, Claudio

    OPERA è un esperimento in fase di installazione presso i Laboratori Nazionali del Gran Sasso che investiga sulla apparizione di neutrino tauonico generato per oscillazione di sapore da un fascio di neutrini muonici inviati dal CERN verso il Gran Sasso: il fascio di long baseline CNGS. OPERA è dotato di 2 spettrometri per l'identificazione dei muoni, la determinazione del momento e l'assegnazione della carica. Sono riportati i risultati dello studio delle proprietà e delle performance degli spettrometri. Per il magnete dipolare sono mostrate le proprietà chimiche, meccaniche e magnetiche; le mappe di campo magnetico atteso sono state simulate e viene descritto come il campo magnetico possa venir monitorato durante la presa dati. Sono descritti i test (i controlli di qualità) eseguiti sui Resistive Plate Chambers, i rivelatori traccianti all'interno del magnete. I test hanno selezionato gli RPC con adeguate proprieta' meccaniche (tramite test pneumatici) ed elettriche (tramite test di condizionamento). Dal...

  1. Actinide recovery from pyrochemical residues

    International Nuclear Information System (INIS)

    We demonstrated a new process for recovering plutonium and americium from pyrochemical waste. The method is based on chloride solution anion exchange at low acidity, or acidity that eliminates corrosive HCl fumes. Developmental experiments of the process flow chart concentrated on molten salt extraction (MSE) residues and gave >95% plutonium and >90% americium recovery. The recovered plutonium contained 62- from high-chloride low-acid solution. Americium and other metals are washed from the ion exchange column with lN HNO3-4.8M NaCl. After elution, plutonium is recovered by hydroxide precipitation, and americium is recovered by NaHCO3 precipitation. All filtrates from the process can be discardable as low-level contaminated waste. Production-scale experiments are in progress for MSE residues. Flow charts for actinide recovery from electro-refining and direct oxide reduction residues are presented and discussed

  2. Aspectos ambientales de campos eléctricos y magnéticos en líneas de alta tensión

    OpenAIRE

    Vernieri, Julieta Z.; Arnera, Patricia L.; Barbieri, María Beatriz

    2002-01-01

    Con el objeto de cuantificar los parámetros perturbadores ambientales, se presentan cálculos de campo eléctrico, magnético, radio interferencia y ruido audible, comparando diseños convencionales con aquellos que optimizan su impacto visual y a su vez reducen los niveles de emisión de campos. (Párrafo extraído del texto a modo de resumen)

  3. Residual contact restraints in cryogenics

    Science.gov (United States)

    Cretegny, J. F.; Demonicault, J. M.

    The use of residual stress measurements to evaluate the state of cryogenic turbomachines, whose surfaces are worn by the working conductions in dry contact, is addressed. Their contribution to the understanding of the reasons of possible ruptures is considered. It is stated that residual stress measurements should be used as a complementary tool rather than as input data for models. It is shown, thanks to two examples concerning the ball bearings and splines of the liquid hydrogen turbopump of the Vulcain engine, what can be expected from such techniques. Total exploitation of the results has still to be done, but preliminary results are quite encouraging.

  4. Leaching From Biomass Gasification Residues

    DEFF Research Database (Denmark)

    Allegrini, Elisa; Boldrin, Alessio; Polletini, A.;

    2011-01-01

    with geochemical modelling were carried out both on fresh and aged samples. The results showed that the material is comparable to residues from wood combustion and the leaching behaviour was dominated by Ca-containing minerals and solid solutions. Heavy metals were detected in very low concentrations in the bulk......The aim of the present work is to attain an overall characterization of solid residues from biomass gasification. Besides the determination of chemical and physical properties, the work was focused on the study of leaching behaviour. Compliance and pH-dependence leaching tests coupled...

  5. Residual Structures in Latent Growth Curve Modeling

    Science.gov (United States)

    Grimm, Kevin J.; Widaman, Keith F.

    2010-01-01

    Several alternatives are available for specifying the residual structure in latent growth curve modeling. Two specifications involve uncorrelated residuals and represent the most commonly used residual structures. The first, building on repeated measures analysis of variance and common specifications in multilevel models, forces residual variances…

  6. Computing Decoupled Residuals for Compact Disc Players

    DEFF Research Database (Denmark)

    Odgaard, Peter Fogh; Stoustrup, Jakob; Andersen, Palle;

    2006-01-01

    a pair of residuals generated by Compact Disc Player. However, these residuals depend on the performance of position servos in the Compact Disc Player. In other publications of the same authors a pair of decoupled residuals is derived. However, the computation of these alternative residuals has been...

  7. Residues for flags of holomorphic foliations

    OpenAIRE

    Brasselet, Jean-Paul; Corrêa, Maurício; Lourenço, Fernando

    2016-01-01

    In this work we prove a Baum-Bott type residues theorem for flags of holomorphic foliations. We prove some relations between the residues of the flag and the residues of their correspondent foliations. We define the Nash residue for flags and we prove that the Bott rationality conjecture holds in this context.

  8. Alternatives to crop residues for soil amendment

    OpenAIRE

    Powell, J.M.; Unger, P.W.

    1997-01-01

    Metadata only record In semiarid agroecosystems, crop residues can provide important benefits of soil and water conservation, nutrient cycling, and improved subsequent crop yields. However, there are frequently multiple competing uses for residues, including animal forage, fuel, and construction material. This chapter discusses the various uses of crop residues and examines alternative soil amendments when crop residues cannot be left on the soil.

  9. GEODINÂMICA DOS CAMPOS DE DUNAS MÓVEIS DE JERICOACOARA/CE-BR

    Directory of Open Access Journals (Sweden)

    Antônio Jeovah Andrade de Meireles

    2011-01-01

    Full Text Available La llanura costera Jericoacoara se ha caracterizado por los campos de dunas y el ecosistema manglar. La actual composición morfológica de la llanura y la dinámica de migración de las dunas han sido identifi cados a través de imágenes satelitales de los últimos 35 años (1975 a 2010 y los mapas geo-ambientales. Fue posible determinar un desplazamiento medio de las dunas de 16,5 m / año - entre 1975 y 2005 el promedio fue de 12,4 m, y para los últimos 5 años fue de 20,6 m - con un diámetro promedio de 3359,0 metros y el área alrededor de 332,695.0m2 (cambios relacionados con el clima estacional y la interferencia humana. Se ha detectado, en las dunas hacia el interior, aumento en la velocidad de la migración en los últimos cinco años - la duna Arraia aumentó su velocidad media de 10 m (entre 1975 y 2005 para 30m en los últimos 5 años (se ha triplicado. La proximidad a la playa, la velocidad ha aumentado alrededor de 10 a 30%, probablemente gobernada por la dinámica del oleaje y el área de sombra (interferéncia en la velocidad e dirección de los vientos generada por la sierra de Jericoacoara. La fl echa de arena por delante del manglar se ha acrecido 1.060m y se dirigió hacia la orilla derecha del río, de acuerdo con el volumen de arena aportado por las dunas; sin embargo, con una erosión costera de 50 metros en los últimos 35 años. La evolución de la llanura ha revelado un incremento en la migración de las dunas y en la erosión de la franja litoral.

  10. Landfill Mining of Shredder Residues

    DEFF Research Database (Denmark)

    Hansen, Jette Bjerre; Hyks, Jiri; Shabeer Ahmed, Nassera;

    In Denmark, shredder residues (SR) are classified as hazardous waste and until January 2012 the all SR were landfilled. It is estimated that more than 1.8 million tons of SR have been landfilled in mono cells. This paper describes investigations conducted at two Danish landfills. SR were excavate...

  11. Solidification process for sludge residue

    Energy Technology Data Exchange (ETDEWEB)

    Pearce, K.L.

    1998-09-10

    This report investigates the solidification process used at 100-N Basin to solidify the N Basin sediment and assesses the N Basin process for application to the K Basin sludge residue material. This report also includes a discussion of a solidification process for stabilizing filters. The solidified matrix must be compatible with the Environmental Remediation Disposal Facility acceptance criteria.

  12. Analysis of the reliability of the centrifugal pumping system on the Northeast pole platforms in the Campos basin; Analise de confiabilidade do sistema de bombeio centrifugo das plataformas do polo nordeste da bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Oliveira, Luiz; Bardy, Mariana [Principia Engenharia de Informatica, Salvador, BA (Brazil); Simoes Filho, Salvador [PETROBRAS, Rio de Janeiro, RJ (Brazil). Centro de Pesquisas (CENPES). Div. de Engenharia Basica Industrial; Neves, Edinei [PETROBRAS, Campos, RJ (Brazil). Exploracao e Producao

    1999-12-01

    The results of the statistical analysis of useful life data for the Submersible Centrifugal Pumping (BCS) sets installed in the wells in the Northeast Pole of the Campos Basin are given in this work. The objective is to analyze the data compiled with a view to determine the failure rate distributions for the various system components. These are important for the reliability analysis of the BCS systems and to predict the expected number of equipment acquisitions over a yearly period. In addition, suggestions are made aimed at improving the operational reliability of the systems analyzed. (author)

  13. Nueva burguesía mercantil y neo-nobleza en el Santander de finales del Antiguo Régimen: algunas reflexiones en torno a D. Francisco Antonio del Campo, Conde de Campo Giro

    Directory of Open Access Journals (Sweden)

    Ramón MARURI VILLANUEVA

    2009-12-01

    Full Text Available El eje articulador de este trabajo es la figura de don Francisco Antonio del Campo (1759-1817, un representante de la gran burguesía mercantil del Santander de finales del Antiguo Régimen que llegó a integrarse en las filas de la nobleza española. Al destacar algunos aspectos de su vida pretendemos hacer una serie de reflexiones relativas a una sociedad en proceso de cambio como la santanderina —e igualmente la española— en el tránsito del siglo XVIII al XIX.

  14. Diversity in bee (Hymenoptera: Apoidea) and social wasp (Hymenoptera: Vespidae, Polistinae) community in "campos rupestres", Bahia, Brazil.

    Science.gov (United States)

    da Silva-Pereira, Vivane; Santos, Gilberto M M

    2006-01-01

    Hymenoptera such as bees and social wasps are regular floral visitors in "campos rupestres" vegetation. A community of bees and social wasps was studied during floral visitation in an area of "campos rupestres", at Chapada Diamantina, BA, Brazil, from September 2001 to April 2002. The community was described in relation to diversity, evenness, and dominance rank, considering the individuals abundance (H' = 2.14/ J' = 0.55) and biomass (H' = 2.34/ J' = 0.60). Thirty nine bee (588 individuals/ 15.742 g) and 11 social wasp species (52 individuals/ 2.156 g) were collected, being the first report of social wasps for the Brazilian "campos rupestres". The main species regarding number of individuals were Trigona spinipes (Fabricius), Apis mellifera L., Frieseomelitta francoi (Moure), and Bombus brevivillus Franklin. About 48% of the species were represented by a single individual. There was an inversion in the dominance rank when the species biomass was considered. B. brevivillus, A. mellifera, T spinipes, and other species represented by 15 individuals or less, such as the social wasps Synoeca cyanea (Olivier), Polistes canadensis (L.) and Myschocyttarus drewseni (Saussure), and the bees Eufriesea nigrohirta (Friese), Xylocopa grisescens Lepeletier and Megachile (Pseudocentron) sp.l were the predominant species. The use of biomass in diversity analysis permitted to detect differences in the relative contribution of species in hierarchy dominance. The comparison between bee faunas from different areas indicates a large similarity of the sampled fauna in Palmeiras (Bahia State) with neighboring ecosystems, although with low values of similarity. PMID:17348126

  15. Código de barras del ADN y sus posibles aplicaciones en el campo de la Entomología

    Directory of Open Access Journals (Sweden)

    Analía A. LANTERI

    2007-01-01

    Full Text Available En este artículo se abordan algunos aspectos de la controversia sobre la iniciativa «Código de barras del ADN», y se hace hincapié en sus potenciales aplicaciones en Entomología. Esta iniciativa propone emplear información dentro de una misma región génica (gen mitocondrial de la Citocromo c Oxidasa I = COI, en todas las especies vivientes y con condiciones de secuenciación universalmente aceptadas y estandarizadas. En la actualidad, no pretende sustituir la taxonomía alfa y la filogenia sino agilizar las tareas de identificación, especialmente en el campo de la Biomedicina (identificación de patógenos, parásitos y vectores, el control de plagas (intercepción de especies invasoras, cualquiera sea su estado de desarrollo ontogenético y los estudios sobre conservación de la biodiversidad. Para arribar a una correcta delimitación de las especies biológicas es preciso contar con las secuencias de COI de numerosos individuos a lo largo de todo su rango geográfico y además, secuencias de genes nucleares e información morfológica y biológica detallada. Las «Unidades Evolutivas Significativas», identificadas sobre la base del «código de barras», podrían corresponder tanto a morfoespecies como a especies crípticas y a subespecies o linajes con diferentes preferencias de huéspedes. La integración del «código de barras del ADN», el trabajo de campo, las colecciones de museos y la investigación científica resultan imprescindibles para que esta herramienta redunde en avances significativos en el campo de la Sistemática Entomológica.

  16. O IMAGINÁRIO RURAL DO LEITOR URBANO: o sonho mítico da casa no campo

    Directory of Open Access Journals (Sweden)

    Gislene Silva

    2009-06-01

    Full Text Available Esta pesquisa procura compreender um fenômeno aparentemente comum: o sonho de muitos moradores urbanos em ter uma casa no campo. A investigação é feita junto aos leitores da revista Globo Rural, uma publicação especializada em atividades agrícolas. São assinantes que residem na cidade de São Paulo e não possuem nenhum tipo de propriedade no meio rural. O propósito deste estudo é tentar apreender os movimentos desse imaginário, contribuindo para o debate das conexões entre campo e cidade e para o entendimento da interação entre sujeitos e produtos culturais simbólicos, no cotidiano urbano contemporâneo. Diante da complexa relação do homem com a natureza e da condição histórica vivida numa metrópole nesta virada de século, percebe-se que, ao sonhar com a casa no campo, os leitores urbanos da revista não apenas se voltam de maneira saudosa para o passado rural. No tempo presente, eles tecem uma crítica profunda ao modelo civilizatório da urbanidade da metrópole e, olhando para frente, imaginam um futuro melhor fora da cidade, no meio rural, mais perto das coisas da natureza, num lugar mais solidário, longe da violência, do trânsito pesado, da poluição e com mais qualidade de vida.

  17. Radioactive material in residues of health services residues

    International Nuclear Information System (INIS)

    The work presents the operational actions developed by the one organ responsible regulator for the control of the material use radioactive in Brazil. Starting from the appearance of coming radioactive material of hospitals and clinical with services of nuclear medicine, material that that is picked up and transported in specific trucks for the gathering of residuals of hospital origin, and guided one it manufactures of treatment of residuals of services of health, where they suffer radiological monitoring before to guide them for final deposition in sanitary embankment, in the city of Sao Paulo, Brazil. The appearance of this radioactive material exposes a possible one violation of the norms that govern the procedures and practices in that sector in the country. (Author)

  18. Efeito residual do lodo de esgoto na produtividade do milho safrinha Residual effect of sewage sludge on off-season corn yield

    Directory of Open Access Journals (Sweden)

    Graziela Moraes de Cesare Barbosa

    2007-06-01

    Full Text Available Das opções de disposição final do lodo de esgoto, a reciclagem agrícola tem sido uma das mais utilizadas em diversos países desenvolvidos, sendo considerada a forma mais adequada em termos técnicos, econômicos e ambientais. Este trabalho teve por objetivo avaliar o efeito residual do lodo de esgoto na produtividade do milho safrinha, após dois anos de aplicação consecutiva desse resíduo em um Latossolo Vermelho eutroférrico. O experimento foi realizado em campo, em delineamento em blocos ao acaso com três repetições, e os tratamentos foram os seguintes: testemunha e adubações com lodo de esgoto nas doses de 6, 12, 24 e 36 t ha-1 (peso de matéria seca. Houve efeito residual do uso do lodo de esgoto caleado na produtividade de milho safrinha; a dose de 36 t ha-1 foi estatisticamente superior às doses de 6 e 12 t ha-1.Among the possibilities of final disposal of sewage sludge, agricultural recycling has become one of the most widely used in several developed countries, and is considered the most appropriate in technical, economical and environmental terms. This study aimed at evaluating the sewage sludge residual effect on off-season corn yield on an Eutroferric Red Latossol (Oxisol. The field experiment was in a randomized block design with three replications, with treatments consisting of increasing doses of sewage sludge (0, 6, 12, 24 and 36 t ha-1, on a dry weight basis, applied in the two previous cropping seasons.. The residual effect of the application of lime-stabilized sewage sludge increased the yield of off-season corn; the grain yield under a rate of 36 t ha-1 was statistically higher than those under 6 and 12 t ha-1.

  19. Refugiados extranjeros en España: el campo de concentración de Miranda de Ebro

    OpenAIRE

    Eiroa, Matilde

    2005-01-01

    En este apartado estudiamos los motivos por los cuales fue necesario destinar este antiguo campo, creado para la clasificación y distribución de los prisioneros republicanos españoles en un centro donde concentrar temporalmente a los que cruzaban las fronteras pirenaicas huyendo de la Alemania nazi. El artículo desarrolla cuatro aspectos claves en la vida del depósito mirandés: las causas del internamiento de los extranjeros; la creación y administración del mismo y de los centros complementa...

  20. Salida de campo a Cabezón de Pisuerga (Valladolid) el 10 de junio de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Cabezón de Pisuerga (Valladolid) el 10 de junio de 1953, de la que se anotaron observaciones sobre insectos: el miriápodo Julus, grillos y saltamontes (sin identificar las especies), el anfibio Pelophylax esculentus (Rana verde europea, llamada Rana sculenta o R.esculenta ridibunda por el autor), los siguientes mamíferos: Lirón (pudiendo ser Eliomys quercinus o Glis glis) y Oryctolagus cuniculus (Conejo), y las siguientes especies: Alectoris sp. (Perdiz), Anthus campestris (...

  1. Diferenças de gênero no campo da sexologia: novos contextos e velhas definições

    OpenAIRE

    Fabiola Rohden; Jane Russo

    2011-01-01

    OBJETIVO: Analisar concepções de gênero e sexualidade presentes no campo de intervenções terapêuticas em torno do sexo. PROCEDIMENTOS METODOLÓGICOS: Observação etnográfica, complementada por análise documental de material impresso referente ao X Congresso Brasileiro de Sexualidade Humana, promovido pela Sociedade Brasileira de Estudos em Sexualidade Humana, e ao VIII Congresso Brasileiro sobre Inadequações Sexuais, promovido pela Associação Brasileira para o Estudo das Inadequações Sexuais, r...

  2. Gentrificación y cerramiento del suelo rústico. Poner puertas al campo en la Islas Baleares

    OpenAIRE

    Blázquez Salom, Macià

    2011-01-01

    La especulación turístico-inmobiliaria es una importante vía de acumulación de capital, entre otras expresiones con su fijación en suelo rústico, que en un territorio insular limitado supone un proceso de conurbación difusa. Una de sus consecuencias es un nuevo proceso de cerramiento del campo, que ha expandido la gentrificación a los espacios naturales y rurales. Este estudio se propone analizar los conflictos sociales derivados del cerramiento del suelo rústico que impide el acceso público ...

  3. Salida de campo a Cabezón de Pisuerga (Valladolid) el 11 de noviembre de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo de Félix Rodríguez de la Fuente, Juanma y el autor, al cortado de la Yesera de Cabezón de Pisuerga (Valladolid), en el Pico del Aguíla, el 11 de noviembre de 1953, de la que se anotaron observaciones sobre el mamífero Rhinolophus sp. (Murciélago de herradura), y las siguientes aves: Athene noctua (Mochuelo europeo), Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero), Falco tinnunculus (Cernícalo vulgar), Petronia petronia (Gorrión chillón, también llamada Ji...

  4. Salida de campo a Zaratán (Valladolid) el 24 y 26 de mayo de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Zaratán, Valladolid, los días 24 y 26 de mayo de 1953, de la que se anotaron observaciones sobre el parto de un Erizo (pudiendo ser Erinaceus europaeus o Atelerix algirus), y las siguientes aves: Actitis hypoleucos (Andarríos chico, llamado Actynioides hypoleucus por el autor), Anas platyrhynchos (Ánade azulón, también llamado Pato bravío por el autor), Charadrius dubius (Chorlitejo chico), Corvus monedula (Grajilla, llamada Coloeus por el autor), Falco peregrinus (Halcón pe...

  5. Salida de campo al castillo de Fuensaldaña (Valladolid) el 26 de julio de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo al castillo de Fuensaldaña (Valladolid) el 26 de julio de 1953, de la que se anotaron observaciones sobre las siguientes aves: Apus sp. (Vencejo), Ciconia ciconia (Cigüeña blanca), Columba sp. (Paloma doméstica), Falco naumanni (Cernícalo primilla), Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero), Falco subbuteo (Alcotán), Passer domesticus (Gorrión domestico), Streptopelia sp. (Tórtola) y Upupa epops (Abubilla, también llamada Bubillo por el autor). F...

  6. Salida de campo al castillo de Fuensaldaña (Valladolid) el 18 de abril de 1953

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo al castillo de Fuensaldaña (Valladolid) el 18 de abril de 1953, de la que se anotaron observaciones sobre Triturus marmoratus (Tritón jaspeado, llamado Molge marmorata por el autor), y las siguientes aves: Ardea cinerea (Garza real), Carduelis sp. (seguramente, el Jilguero, C.carduelis), Ciconia ciconia (Cigüeña blanca), Corvus monedula (Grajilla, llamada Coloeus por el autor), Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero), Falco tinnunculus (Cernícalo ...

  7. Salida de campo a Montejo de Arévalo (Segovia) el 27 y 28 de mayo de 1956

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo a Montejo de Arévalo (Segovia) el 27 y 28 de mayo de 1956, de la que se anotaron observaciones sobre Vulpes vulpes (Zorro), y las siguientes aves: Alectoris rufa (Perdiz roja), Apus apus (Vencejo común), "Biblis rupestris", Corvus corax (Cuervo), Corvus monedula (Grajilla, llamada Coloeus por el autor), Emberiza cia (Escribano montesino), Falco peregrinus (Halcón peregrino, también llamado Alcotán palomero), Falco tinnunculus (Cernícalo vulgar), Fringilla coelebs (Pinzón vulga...

  8. Las competencias que demanda el mercado laboral de los profesionales del campo económico-empresarial en la actualidad

    OpenAIRE

    Ana Becerra; Karlos La Serna

    2010-01-01

    "El presente estudio identifica, organiza y analiza las competencias que demanda actualmente el mercado laboral peruano de los jóvenes profesionales egresados de carreras vinculadas directamente al campo económico-empresarial. La metodología del trabajo consistió en seleccionar una muestra de empresas importantes, luego de lo cual se entrevistó a profundidad a los responsables de la selección de personal de dichas organizaciones, hasta que se cubrió el criterio de saturación que exige la inve...

  9. Adenovirus, calicivirus and astrovirus detection in fecal samples of hospitalized children with acute gastroenteritis from Campo Grande, MS, Brazil

    Directory of Open Access Journals (Sweden)

    Marcia Sueli Assis Andreasi

    2008-11-01

    Full Text Available We analyzed fecal samples from hospitalized children up to three years of age with acute gastroenteritis at Campo Grande, Mato Grosso do Sul, Brazil, from May 2000-January 2004. Astrovirus and calicivirus were detected by Reverse Transcription-Polymerase Chain Reaction and adenovirus was detected using the Rotavirus and Adenovirus combined immunoenzyme assay. Astrovirus, adenovirus and calicivirus were detected at rates of 3.1%, 3.6% and 7.6%, respectively. These results re-emphasize the need for the establishment of regional vigilance systems to evaluate the impact of enteric viruses on viral gastroenteritis.

  10. Campo de la historieta argentina: competencias por posicionamientos, canonización y recepción

    OpenAIRE

    Roberto von Sprecher; Sebastian Gago

    2012-01-01

    Este trabajo, realizado dentro del equipo de investigación Estudio y Crítica de la Historieta Argentina, con sede en la Escuela de Ciencias de la Información de la Universidad Nacional de Córdoba, se enmarca en un sub-proyecto para realizar un estudio de la recepción, en distintas generaciones de lectores, de la obra del guionista Héctor Germán Oesterheld. Su obra El Eternauta ha recibido un significativo reconocimiento tanto desde el interior del campo de la historieta como del exterior del ...

  11. Diseño de un dispositivo prototipo generador de campo de pulsos eléctricos

    OpenAIRE

    Ayala T, Darwin A; Vanegas M, Pedro; Correa M, Hugo A

    2014-01-01

    La degradación de componentes nutritivos en los alimentos como resultado de tratamientos térmicos tradicionales de control en la inactivación de microorganismos, ha llevado a la búsqueda de procesos que minimicen los gastos energéticos y cambios en las propiedades organolépticas. La inactivación de microorganismos patógenos es la principal preocupación en la conservación de alimentos (Barbosa-Canovas, 2006). La sensibilidad al campo eléctrico en Escherichia coli, Klebsellia, Pseudomonas, Stap...

  12. Intensidad de un haz de luz con momento angular orbital entero y no entero en campo lejano

    OpenAIRE

    Cristian Hernando Acevedo Cáceres; Carlos Fernando Díaz Meza; Yezid Torres Moreno

    2014-01-01

    La forma del patrón de intensidad en campo lejano de un haz luminoso con un valor bien definido de momento angular orbital entero y no en - tero es analizada teórica y experimentalmente. Mediante simulaciones numéricas de una onda plana difractada por un holograma en forma de tenedor se calcula para los haces con momento angular orbital entero m el radio promedio del anillo interno del haz en el régimen de Fraunhofer, mientras que para los haces con momento angular orbital no entero M se anal...

  13. Salida de campo por Aguilar de Campoo (Palencia) entre el 3 y el 10 de abril de 1954

    OpenAIRE

    Valverde Gómez, José Antonio, 1926-2003

    2008-01-01

    Salida de campo por Aguilar de Campoo, en Palencia, entre el 3 y el 10 de abril de 1954, de la que se anotaron observaciones sobre las siguientes aves: "Buitre grande" (probablemente, Aegypius monachus, el Buitre negro), Ciconia sp. (Cigüeña), Neophron percnopterus (Alimoche común, también conocido como Buitre blanco) y Saxicola torquata (Tarabilla común). Field trip through Aguilar de Campoo, at Palencia, between the 3rd and the 10th of April of 1954, of which there were noted observatio...

  14. España ante la II Guerra Mundial. El sistema defensivo contemporáneo del Campo de Gibraltar

    Directory of Open Access Journals (Sweden)

    Ángel J. Sáez Rodríguez

    2011-04-01

    Full Text Available El sistema defensivo contemporáneo del Campo de Gibraltar es un plan de elaborado por el Estado Mayor de Franco antes del estallido de la Segunda Guerra Mundial. Se basa en más de quinientos fortines de hormigón, construidos desde mayo de 1939 y durante el conflicto mundial, a partir del temor a una invasión anglo-francesa procedente de Gibraltar. Ciertas informaciones del espionaje militar, con escasa base, condujeron al inicio de la fortificación del istmo de Gibraltar, extendiendo sus flancos desde la desembocadura del río Guadiaro hasta las playas de Conil. Es un proyecto diferente del plan de artillado del Estrecho que aborda, inmediatamente después, la Comisión de Fortificación de la Frontera Sur del general Jevenois. Aunque el sistema presenta claras influencias formales europeas, continúa principios tácticos ensayados ampliamente en la Guerra Civil Española.Palabras clave: Campo de Gibraltar, Fortín, General Jevenois, Sistema defensivo contemporáneo, Segunda Guerra Mundial, Comisión de Fortificación de la Frontera Sur___________________________Abstract:The contemporary defensive system in the Campo de Gibraltar was planned by General Franco before the Second World War outbreak. It consists of over five thousand bunkers which were built between May 1939 and the end of the war, due to the fear of a British-French attack from Gibraltar. This unfounded information, provided by the military intelligence services, led to the building of the aforementioned defensive system, starting in the isthmus of Gibraltar and occupying the area between River Guadiaro and the beaches of Conil. This plan is different from the Strait artillery plan which was developed just after the aforementioned one by General Jenevois' Comisión de Fortificación de la Frontera Sur (South Border Fortification Comission. Although this defence system is clearly influenced by the European trend, it is based on the tactics developed during the Spanish Civil War

  15. La educación comparada: ¿un campo de estudio para políglotas?

    Directory of Open Access Journals (Sweden)

    Henk Van Daele

    1997-01-01

    Full Text Available La educación comparada es un campo dificil a causa, muy especialmente, de los problemas lingüísticos que afronta en su seno. Debe tenerse muy en cuenta tres aspectos: 1. Los especialistas de educación comparada deben ser multilingues. 2. Los terminus relativos a cscuelas, diplomas, etc, son de diffcil traducci6n. Deben, por ello, considerarse nombres propios y evitarse su traducci6n. 3. En Europa tenemos necesidad de un glosario multilingue univoco para la terminologfa de la educacion y la formacion

  16. Genotoxicidad de los campos magnéticos de frecuencia extremadamente baja determinada mediante el ensayo de micronúcleos.

    OpenAIRE

    Olmos Ortíz, Encarnación

    2013-01-01

    Se estudia un posible efecto genotóxico inducido por campos electromagnéticos de extremada baja frecuencia (ELM-EMF) mediante el aumento de lesiones cromosómicas inducidas determinadas por el incremento de la frecuencia de aparición de micronúcleos tanto in vivo, sobre eritroblastos policromatófilos en médula ósea de roedor, como in vitro sobre linfocitos humanos con bloqueo citocinético con citochalasina B; comparándolo con el daño genotóxico inducido por rayos X. Posteriormente se han admin...

  17. Mercury in sediments from shelf and continental slope at Campos Basin near Rio de Janeiro, Brazil

    Science.gov (United States)

    Araujo, Beatriz; Hintelmann, Holger; Dimock, Brian; Gomes de Almeida, Marcelo; Falcão, Ana Paula; de Rezende, Carlos Eduardo

    2016-04-01

    Mercury (Hg) is a global pollutant due to its ability to undergo long-range transport from source regions to remote parts of the world, and its ubiquitous presence in aquatic ecosystems. The Hg isotope ratios could be an effective tool for tracing the sources and process of Hg in the environment. This study aimed to establish the distribution of mercury in surface sediments of three transects (25- 3000m water depth) in continental shelf and slope in Campos Basin-RJ-Brazil, using the Hg isotopes to understand the geochemical processes relating to Hg cycling that occur in a subtropical coastal environment. The study area was divided into three transects: A (located to the south and close to a upwelling area), D (located opposite the mouth of the Paraiba do Sul River) and I (located north near the top of Vitória-ES). Sampling isobaths were 25, 50, 75, 100, 150, 400, 700, 1000, 1300, 1900, 2500 and 3000m. The Total Hg, MMHg and Hg stable isotopes were determined based on EPA Method 1631, EPA method 1630 and Foucher and Hintelmann (2006), respectively. The silt/clay ranged from 0.05 to 95%, and the organic carbon (OC) from 0.07 to 1.43 % for all transects. THg and MMHg concentrations in the shelf were 11.9 ± 7.2 (1.7- 22.2) ng.g‑1 and 0.15 ± 0.12 (0.02 - 0.40) ng.g‑1; in the slope 30.3 ± 9.2 (11.6 - 51.6) ng.g‑1 and 0.13 ± 0.06 (0.03 -0.29) ng.g‑1 , respectively. The δ202Hg and Δ199Hg varied from -0.32 to -1.85 ‰ (-0.79 ± 0.44‰) and -0.41 to 0.09 ‰ (-0.03 ± 0.12 ‰) for all transects, respectively. The delta values between both regions are significantly different, the shelf region showed δ202Hg from -0.59 to -2.19 ‰ (mean: -1.52 ±0.65) and Δ199Hg from - 0.53 to 0.08 ‰ (mean: -0.27 ±0.55) and the slope region were observed δ202Hg values from -0.32 to -1.82 ‰ (mean: -0.73 ±0.39 ‰ n=18) and gΔ199Hg from -0.23 to 0.09‰ (mean: -0.02 ±0.08‰ n=5). The slope appears to be enriched with heavier isotopes compared to the shelf, however

  18. Project installation the large equipment in line system in Brazil. Gas export line valve P-40 FPSO-MLS. Field Marlim Sul, Campos Basin, Brazil; Operacao de instalacao do maior equipamento no sistema in line ja realizado no Brasil. Valvula do gasoduto P-40 X FPSO-MLS. Campo de Marlim Sul, Bacia de Campos, Brasil

    Energy Technology Data Exchange (ETDEWEB)

    Marques, Marcos Antonio Rodrigues; Fernandes, Paulo Tavares [PETROBRAS, Campos dos Goytacases, RJ (Brazil). Exploracao e Producao

    2005-07-01

    This work will approach the current level of development of the installation of connected underwater equipment to flexible lines in the underwater engineering operations in Campos' Basin. The project will show studies, analysis and simulations (through software developed by PETROBRAS) about the installation of the largest equipment laid in the 'in-line' system (connected to flexible lines) in Brazil - and one of the largest of the world: the ESDV (Emergency Shut Down Valve) of the gas pipeline P-40 x FPSO-MLS, in the South Marlim field, in Campos' Basin. This ESDV, of about 18.000 kg, 4 m height and 6,5 m length, has the purpose of assuring the safety conditions on the facilities, interrupting the gas flow exported for P-40 in case of emergency situations. Its installation opened a new alternative in releasing underwater equipment, using the ships that install the flexible lines. This operation occurred in June, 2004, and required the use of a second vessel for support and monitoring of the ESDV laying. The ESDV was installed at 400 m from FPSO-MLS, in a water depth of 1.137 m. This method shall be used broadly by the company in the implantation of the new units of Campos' Basin, and the upcoming studies must consider the gradual increase of the water depth in the new projects. This work will focus the technological development in this area, and one of its purposes is to foresee the future difficulties that can appear in the implantation of the production systems in deep and ultra-deep waters. (author)

  19. Chemical Modification of Tryptophan Residues in Pullulanase

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

    Tryptophan(Trp)residues in pullulanase have been chemically modified with N-bromossuccinimide(NBS). The results of ultraviolet spectra indicated that there are 18 Trp residues in pullulanase and nine of them are located on the surface of the enzyme. Three of these Trp residues are none-essential residues which showed the fastest reaction speed by Zhou's plot. Two of the seven relative faster reacting residues are essential for the activity of the enzyme. The other eight are none-reactive residues with lowest reaction speed.

  20. Solow Residuals Without Capital Stocks

    DEFF Research Database (Denmark)

    Burda, Michael C.; Severgnini, Battista

    2014-01-01

    We use synthetic data generated by a prototypical stochastic growth model to assess the accuracy of the Solow residual (Solow, 1957) as a measure of total factor productivity (TFP) growth when the capital stock in use is measured with error. We propose two alternative measurements based on current...... measurement problems are particularly severe for economies still far from their steady state. This drawback of the Solow residual is thus most acute in applications in which its accuracy is most highly valued. As an application, we compute and compare TFP growth measures for developing countries in the Heston...... investment expenditures: one eliminates the capital stock by direct substitution, while the other employs generalized differences of detrended data and the Malmquist index. In short samples, these measures can exhibit consistently lower root mean squared errors than the Solow–Törnqvist counterpart. Capital...

  1. The Cauchy method of residues

    CERN Document Server

    Mitrinović, Dragoslav S

    1993-01-01

    Volume 1, i. e. the monograph The Cauchy Method of Residues - Theory and Applications published by D. Reidel Publishing Company in 1984 is the only book that covers all known applications of the calculus of residues. They range from the theory of equations, theory of numbers, matrix analysis, evaluation of real definite integrals, summation of finite and infinite series, expansions of functions into infinite series and products, ordinary and partial differential equations, mathematical and theoretical physics, to the calculus of finite differences and difference equations. The appearance of Volume 1 was acknowledged by the mathematical community. Favourable reviews and many private communications encouraged the authors to continue their work, the result being the present book, Volume 2, a sequel to Volume 1. We mention that Volume 1 is a revised, extended and updated translation of the book Cauchyjev raeun ostataka sa primenama published in Serbian by Nau~na knjiga, Belgrade in 1978, whereas the greater part ...

  2. Residual intersections and some applications

    CERN Document Server

    Wu, X

    1994-01-01

    We give a new residual intersection decomposition for the refined intersection products of Fulton-MacPherson. Our formula refines the celebrated residual intersection formula of Fulton, Kleiman, Laksov, and MacPherson. The new decomposition is more likely to be compatible with the canonical decomposition of the intersection products and each term in the decomposition thus has simple geometric meaning. Our study is motivated by its applications to some geometric problems. In particular, we use the decomposition to find the distribution of limiting linear subspaces in degenerations of hypersurfaces. A family of identities for characteristic classes of vector bundles is also obtained as another consequence. This paper will appear in Duke Math. Jour.

  3. Pesticidal residues in animal tissues

    Science.gov (United States)

    DeWitt, J.B.; Menzie, C.M.; Adomaitis, V.A.; Reichel, W.L.

    1960-01-01

    Tests with penned starlings, rats, pheasants, and ducks indicated that each species differs in sensitivity to the various pesticides. Residues in tissues are proportional to the degree of exposure during area treatment and they are also found in animals shot six or more months after treatment. The presence of more than 20-30 ppm of DDT, 20 ppm of chlordan, and 6-20 ppm of heptachlor epoxide in quail tissues indicated that the birds had ingested lethal dosages of the pesticides.

  4. Calcination/dissolution residue treatment

    International Nuclear Information System (INIS)

    Currently, high-level wastes are stored underground in steel-lined tanks at the Hanford site. Current plans call for the chemical pretreatment of these wastes before their immobilization in stable glass waste forms. One candidate pretreatment approach, calcination/dissolution, performs an alkaline fusion of the waste and creates a high-level/low-level partition based on the aqueous solubilities of the components of the product calcine. Literature and laboratory studies were conducted with the goal of finding a residue treatment technology that would decrease the quantity of high-level waste glass required following calcination/dissolution waste processing. Four elements, Fe, Ni, Bi, and U, postulated to be present in the high-level residue fraction were identified as being key to the quantity of high-level glass formed. Laboratory tests of the candidate technologies with simulant high-level residues showed reductive roasting followed by carbonyl volatilization to be successful in removing Fe, Ni, and Bi. Subsequent bench-scale tests on residues from calcination/dissolution processing of genuine Hanford Site tank waste showed Fe was separated with radioelement decontamination factors of 70 to 1,000 times with respect to total alpha activity. Thermodynamic analyses of the calcination of five typical Hanford Site tank waste compositions also were performed. The analyses showed sodium hydroxide to be the sole molten component in the waste calcine and emphasized the requirement for waste blending if fluid calcines are to be achieved. Other calcine phases identified in the thermodynamic analysis indicate the significant thermal reconstitution accomplished in calcination

  5. Leptogenesis and residual CP symmetry

    CERN Document Server

    Chen, Peng; King, Stephen F

    2016-01-01

    We discuss flavour dependent leptogenesis in the framework of lepton flavour models based on discrete flavour and CP symmetries applied to the type-I seesaw model. Working in the flavour basis, we analyse the case of two general residual CP symmetries in the neutrino sector, which corresponds to all possible semi-direct models based on a preserved $Z_2$ in the neutrino sector, together with a CP symmetry, which constrains the PMNS matrix up to a single free parameter which may be fixed by the reactor angle. We systematically study and classify this case for all possible residual CP symmetries, and show that the $R$-matrix is tightly constrained up to a single free parameter, with only certain forms being consistent with successful leptogenesis, leading to possible connections between leptogenesis and PMNS parameters. The formalism is completely general in the sense that the two residual CP symmetries could result from any high energy discrete flavour theory which respects any CP symmetry. As a simple example,...

  6. El trabajo de campo como proceso. La "etnografía colaborativa" como perspectiva analítica

    Directory of Open Access Journals (Sweden)

    Leticia Katzer

    2011-10-01

    Full Text Available El presente artículo contiene una serie de reflexiones elaboradas al poner en diálogo experiencias de campo en el marco de investigaciones individuales; una, con indígenas adscriptos como Huarpes, en el noreste de la provincia de Mendoza; la otra, con indígenas adscriptos como Qom. Éstas reflexiones intentan contribuir a desnaturalizar y visibilizar la complejidad de los contextos de interacción, considerando que abarcan distintas dimensiones y aspectos —tales como posición de los interlocutores en la estructura social, expectativas individuales, experiencias y relaciones previas de los sujetos, y recursos materiales y simbólicos en intermediación—, enfatizando así el carácter situacional y dinámico de esas relaciones de interlocución.A la luz de los actuales debates de la crítica cultural y en un intento por contribuir a los estudios de la Etnografía Colaborativa, el objetivo de este artículo es exponer y describir comparativamente lo que entendemos como performances de campo, situando como objeto de análisis la experiencia etnográfica en sí misma. Entendiendo el trabajo etnográfico como proceso y texto, identificamos tres grandes nudos críticos, reunidos en tres escenas etnográficas, que analizamos como una red multisituada de mediaciones e interrelaciones.

  7. Cativeiro de aves como fonte de Cryptococcus neoformans na cidade de Campo Grande, Mato Grosso do Sul, Brasil

    Directory of Open Access Journals (Sweden)

    Filiú Wander Fernando de Oliveira

    2002-01-01

    Full Text Available Cryptococcus neoformans é a levedura capsulada causadora de criptococose em humanos e animais. A variedade neoformans, encontrada em diversas fontes ambientais, inclusive habitats de aves, é importante causa de mortalidade em indivíduos com AIDS em todo o Mundo. Contudo, ainda não há estudos sobre a sua ecologia na região Centro Oeste brasileira, onde há registro da ocorrência de casos humanos da micose. Para estudar fontes saprofíticas de C. neoformans, na cidade de Campo Grande, foram coletadas 20 amostras de excretas de aves em distintos ambientes. Suspensão das amostras em salina estéril foram semeadas em placas com meio ágar níger. Após 5 dias, colônias mucóides marrom-escuro foram subcultivadas para identificação através de provas morfofisiológicas, determinação da variedade e sorotipagem. C. neoformans var. neoformans sorotipo A foi isolado de 10 (50% das amostras, comprovando a ocorrência saprofítica de C. neoformans na cidade de Campo Grande, relacionada a habitat de aves em cativeiro.

  8. Reflexiones sobre el campo de las relaciones internacionales en Latinoamérica. Una mirada a partir de las publicaciones

    Directory of Open Access Journals (Sweden)

    Adolfo A. Abadía

    2016-06-01

    Full Text Available Este trabajo presenta una reflexión sobre el desarrollo más reciente del campo de las relaciones internacionales en América Latina. Se apoya principalmente en un análisis bibliométrico de las principales revistas latinoamericanas que publican estudios afines, y en un análisis cualitativo de publicaciones destacadas provenientes de algunos de los departamentos de Ciencia Política y Relaciones Internacionales de la región. Sin pretender ser un estudio exhaustivo del estado del campo en la región, el ejercicio recoge información novedosa y de utilidad para construir una reflexión sobre debilidades, fortalezas y cuentas pendientes del área de estudios en Latinoamérica. El trabajo se cierra con una serie de reflexiones y sugerencias que buscan resaltar la importancia de un mayor debate teórico y, particularmente, metodológico para el fortalecimiento del estudio de la política internacional en –y desde– América Latina.

  9. "La muerte del buen salvaje fue el nacimiento de la antropología en mí": Relato de la experiencia de trabajo de campo de Kawaloule

    Directory of Open Access Journals (Sweden)

    David Eliécer Arias Marín

    2010-05-01

    Full Text Available El artículo recoge la narración de Kawaloule, un antropólogo graduado de la Universidad Nacional de Colombia, quien expone su experiencia personal de trabajo de campo en La Guajira. A través de su relato se abordan algunos temas cruciales para el trabajo de campo antropológico, como lo son el problema del acceso al campo, el establecimiento de relaciones personales con los sujetos investigados, el papel de los antropólogos en los contextos de investigación, las formas de observar y de participar en los contextos de interacción, el registro de la información, el uso del diario de campo, las motivaciones para escoger los lugares, los temas y los problemas de investigación, el surgimiento de nuevas inquietudes junto con la problematización y conceptualización de la realidad estudiada, la confrontación de las teorías y de las ideas preestablecidas con los hechos, entre otras cosas. Apoyándose en la oralidad y con un enfoque descriptivo, el artículo propone sentar las bases empíricas sobre las cuales se pueda dar trámite a discusiones epistemológicas sobre el trabajo de campo en la antropología y sobre la identidad personal y profesional de los antropólogos.

  10. RENDIMIENTO DE 12 HÍBRIDOS COMERCIALES DE ZANAHORIA (Daucus carota L. EN EL CAMPO Y EN LA PLANTA DE EMPAQUE

    Directory of Open Access Journals (Sweden)

    Fernando Richmond-Zumbado

    2010-01-01

    Full Text Available Se evaluaron 12 híbridos comerciales de zanahoria (Daucus carota L. en Cot de Oreamuno, Cartago, Costa Rica, con el objetivo de evaluar el rendimiento en el campo y la planta de empaque, de junio a octubre del 2007. Los híbridos evaluados fueron: Bangor F1, Big Sur, Bolero F1, Concerto F1 (VAC 03 F1, XCR3688, Esperanza, Nandrin F1, Napoli F1, S-505, Spearhead, Trinity y Sirkana. Se obtuvo el número y peso de las raíces de los híbridos comerciales clasificadas en raíces totales, comerciales y diferentes variables de rechazo; en el campo y en la planta de empaque. Los híbridos con el mayor rendimiento comercial en campo y en planta empacadora, en orden decreciente, fueron: Bangor F1, Esperanza, Concerto F1, Nandrin F1 y Sirkana. Los materiales con menor rechazo en campo fueron Nandrin F1, Sirkana y Bangor F1, y en planta empacadora fueron: Big Sur, Sirkana, Napoli F1, Bolero F1 y XCR3688. Las principales causas de rechazo de la zanahoria en el campo y en la planta empacadora fueron: raíces bifurcadas, con rajadura, raíz pequeña y tamaño jumbo.

  11. Polychlorinated Biphenyls (PCB) Residue Effects Database

    Data.gov (United States)

    U.S. Environmental Protection Agency — The PCB Residue Effects (PCBRes) Database was developed to assist scientists and risk assessors in correlating PCB and dioxin-like compound residues with toxic...

  12. Prevalência de fissuras labiopalatais no município de Campos dos Goytacazes-RJ, 1999-2004 Prevalence of oral cleft in Campos dos Goytacazes-RJ, 1999-2004

    Directory of Open Access Journals (Sweden)

    Luiz Maurício Nogueira Nunes

    2007-03-01

    Full Text Available O objetivo deste estudo foi determinar a prevalência de fissuras labiopalatais no município de Campos dos Goytacazes-RJ, Brasil, em crianças nascidas entre 01/01/1999 e 31/12/2004. Foram considerados a faixa etária, tipo de fissura, sexo e raça da criança, além do estado civil, grau de escolaridade e procedência da mãe do portador na época do parto. Deste modo, foram verificados os prontuários de pacientes inscritos em serviços de referência em tratamento de anomalias craniofaciais, com o objetivo de selecionar os nascidos e/ou domiciliados no município de Campos dos Goytacazes. Após seleção inicial, foi realizada busca no Sistema de Informações sobre Nascidos Vivos (SINASC, definindo o universo do estudo, a saber: nascidos vivos entre 1999 e 2004, cujas mães eram residentes em Campos dos Goytacazes. Neste período, o número de nascidos no município, por residência da mãe, foi de 46.707, dos quais 63 possuíam algum tipo de fissura labiopalatal, representando uma prevalência de 1,35 casos por 1000 nascidos vivos. A análise dos dados revelou que 55,6% dos pacientes eram do sexo masculino. Os tipos de fissuras mais encontrados foram o de lábio e palato e o de palato isolado (34,9% cada. Embora a raça branca tenha representado 61,3% dos indivíduos estudados, o percentual de casos por raça não diferiu estatisticamente em relação à distribuição de nascidos na população. Com relação à mãe do portador, a maior parte das mães era solteira ou casada, possuindo como característica o baixo grau de escolaridade.The purpose of the present study was to determine the prevalence of oral clefts in the city of Campos dos Goytacazes-RJ/Brazil, in children born from January 01, 1999 to December 31, 2004. Age group, cleft type, sex and race of the child were considered, as well as the marital status, education and origin of the child's mother at the time of birth. In this manner, the records of patients enrolled in

  13. Residual analysis for spatial point processes

    DEFF Research Database (Denmark)

    Baddeley, A.; Turner, R.; Møller, Jesper;

    2005-01-01

    We define residuals for point process models fitted to spatial point pattern data, and we propose diagnostic plots based on them. The residuals apply to any point process model that has a conditional intensity; the model may exhibit spatial heterogeneity, interpoint interaction and dependence on ....... A plot of smoothed residuals against spatial location, or against a spatial covariate, is effective in diagnosing spatial trend or covariate effects. Q-Q plots of the residuals are effective in diagnosing interpoint interaction....

  14. Effect of welding residual stresson fracture

    OpenAIRE

    Ren, Xiaobo

    2010-01-01

    Residual stresses are unavoidable in welded constructions. How to correctly predict residual stresses and assess their effect on structural integrity is a fundamental issue. One of the most difficult aspects in structural integrity assessment is to incorporate the effect of residual stresses in a safe manner, without making unduly conservative assumptions about the level of stress that may be present. Current structural assessment procedures typically assume upper bound residual stress soluti...

  15. Profundidade de deposição de semente de milho na região dos Campos Gerais, Paraná Placement depth of seed corn in the region of Campos Gerais, Paraná, Brazil

    Directory of Open Access Journals (Sweden)

    Pedro H. Weirich Neto

    2007-12-01

    Full Text Available O sistema plantio direto encontra-se hoje plenamente incorporado à região dos Campos Gerais no Paraná. A acurácia e a precisão no processo de semeadura são itens de grande importância para que tal sistema alcance sucesso. Sendo assim, foram selecionadas 50 propriedades e, em 38, determinou-se a profundidade de deposição da semente de milho. A área experimental era formada por quatro ou cinco linhas de semeadura, onde se avaliaram dez plântulas por linha. A profundidade ficou em torno de 46 mm, observando-se diferenças significativas entre as linhas, em 21 áreas. O coeficiente de variação médio ficou em torno de 20%, limite estatístico entre médio e alto. Conforme análise de outros parâmetros, tais coeficientes podem representar diferentes tipos de erro no processo. Pode-se considerar o processo de semeadura da região como eficiente quando considerada a média da profundidade. Entretanto, a análise da variabilidade demonstra necessidade de ações junto a fatores antrópicos e de máquina.No Tillage system is fully incorporated to farming in the region of Campos Gerais, state of Paraná. Accuracy and precision in the planting process are items of great importance for the success of this system. In order to evaluate the planting process, thirty eight farms were selected as sites for analysis of the placement depth of seeds. The research area was 4 or 5 planting rows, evaluating 10 plantlets per row. The average seed depth was around 46 mm, and significant differences between rows were observed in 21 areas. The average coefficient of variation was around 20%, the statistical limit between medium and high. Analyses of other parameters show that those coefficients may represent different errors in the process. The planting process in Campos Gerais can be considered efficient regarding to the average seed depth. However, the analysis of variability implies de need of actions concerning to anthropic and machinery factors.

  16. Biostratigraphic and paleoclimatic zoning of upper quaternary sediments from the Campos basin slope, RJ, Brazil; Zoneamento bioestratigrafico e paleoclimatico dos sedimentos do quaternario superior do talude da bacia de Campos, RJ, Brasil

    Energy Technology Data Exchange (ETDEWEB)

    Vicalvi, Marco Aurelio [PETROBRAS, Rio de Janeiro, RJ (Brazil). Centro de Pesquisas. Setor de Bioestratigrafia e Paleoecologia

    1997-12-01

    Classic methods to analyze the post-Pliocene climatic changes were applied to samples from the Campos Basin. Twenty-six samples were piston cored from the sloping bank, and 1 306 samples were collected from three continuously cored drill holes. A selection was made among planktonic foraminifera indicating warm and cold waters and profiles were plotted and their percentages generated paleoclimatic curves. The comparison of these curves with those by Ericson and Wollin, permitted the identification of several glacial and interglacial intervals, and the age determination of the main climatic events that took place in the Campos Basin slope during the last 145 to 150 thousand years of the Upper Quaternary. Based on the frequency variations of the Globorotalia menardii s.l., Globorotalia inflata and Globorotalia truncatulinoides, complemented with observations on the disappearance/reappearance of the Pulleniatina complex, it was possible to subdivide the Z (Holocene), Y and X (Pleistocene) zones of the long cores (drill holes), into 15 sub zones (Z 1, Z 2, Y 1, Y 2 and X 1 to X 11). With this result it is possible to refine the correlation exercises for the cores and improve the calculations of sedimentation rates for these sections. The piston cores, relatively short, were useful to establish precisely the Pleistocene/Holocene boundary for many areas of the Campos Basin slope, and calibrate the bio-horizon where the Pulleniatina obliquiloculata disappeared. The disappearance of the Pulleniatina complex within the median section of the Y Zone establishes an age of approximately 42 000 years, and the disappearance of the Globorotalia flexuosa within the top portion of X Zone, indicates the end of the last interglacial period (84 000 years). This collection of data, when correlated with Bolli and Premoli Silva's bio stratigraphic zoning, shows that the sampled sediments are located in the upper portion of the Globorotalia truncatulinoides truncatulinoides Zone. The

  17. 9 CFR 311.39 - Biological residues.

    Science.gov (United States)

    2010-01-01

    ... 9 Animals and Animal Products 2 2010-01-01 2010-01-01 false Biological residues. 311.39 Section... Biological residues. Carcasses, organs, or other parts of carcasses of livestock shall be condemned if it is determined that they are adulterated because of the presence of any biological residues....

  18. Transitive parallelism of residues in buildings

    OpenAIRE

    Clais, Antoine

    2013-01-01

    We study the buildings in which parallelism of residues is an equivalence relation. If the building admits a group action, we describe how parallel residues are related to residues with equal stabilizers. This permits to retrieve the fact that in a Coxeter group or in a graph product, intersections of parabolic subgroups are parabolic.

  19. Quaternary Faults and Stress Regime of Venezuela Fallas y campo de esfuerzos cuaternarios de Venezuela

    Directory of Open Access Journals (Sweden)

    F.A. Audemard M.

    2006-12-01

    -SSE oriented stress across the southern Caribbean boundary zone.La configuración espacial de los rasgos tectónicos activos cuaternarios en el Caribe meridional sugiere que esta región esta sujeta a un régimen tectónico transcurrente compresivo (transpresivo senso lato, caracterizado por un esfuerzo horizontal máximo (sH=s1 de dirección NNO-SSE y un mínimo (s h=s3 or s2 orientado ENE-OSO. La aplicación de métodos de inversión a datos microtectónicos determinados sobre planos de fallas afectando rocas sedimentarias esencialmente de edad plio-cuaternarias confirma este régimen tectónico. Consecuentemente, este régimen es responsable por la cinemática y actividad cuaternaria de seis familias de estructuras tectónicas frágiles a lo largo del norte de Venezuela (desde Colombia en el oeste hasta Trinidad en el este: (1 fallas dextrales este-oeste, (2 fallas dextrales NO que actúan como "Riedels" sintéticos-, (3 fallas dextrales ENE a este que se comportan como fracturas P, (4 fallas normales NNO, (5 fallas sinestrales submeridianas consideradas como fracturas "Riedels" antitéticos y (6 fallas inversas ENE - sub-paralelas al plegamiento de la misma orientación. En esta región en particular, la deformación frágil obedece el modelo de cizalla simple, aunque no toda la deformación puede atribuírsele porque simultáneamente ocurre partición de la deformación porque el plegamiento y fallamiento inverso se debe esencialmente a la componente ortogonal a las estructuras del vector de desplazamiento relativo entre las placas Caribe y Suramerica. Por otra parte, el esfuerzo máximo horizontal en Venezuela occidental, particularmente en el bloque de Maracaibo y al sur de la falla de Oca-Ancón, progresivamente tuerce en sentido anti-horario para orientarse este-oeste, permitiendo la activación simultánea de fallas sinestrales y dextrales de orientación norte y NE respectivamente. La orientación y variación espacial del campo de esfuerzo regional en Venezuela

  20. Una tipología de los nuevos habitantes del campo: aportes para el estudio del fenómeno neorrural a partir del caso de Manizales, Colombia

    Directory of Open Access Journals (Sweden)

    Marlon Javier Méndez Sastoque

    2013-01-01

    Full Text Available El artículo presentar una propuesta tipológica de los nuevos y diversos habitantes del campo, asumiendo como sustento el caso de Manizales, Colombia. Se construyó mediante el análisis de información producto de entrevistas semi-estructuradas centradas en las motivaciones para migrar de la ciudad al campo y el proceso de inmersión de los migrantes al espacio social de acogida. El análisis permitió establecer cuatro tipos de nuevos habitantes del campo: a neorrurales por atracción comparativa, b neorrurales por atracción ético-política, c neorrurales por atracción económico-productiva, y d neorrurales por expulsión. Se concluye que el neorruralismo es una expresión localizada, variable en relación con el dominio o contexto de ocurrencia.

  1. Comparative study of ceramic tiles produced in the Town of Goytacazes / RJ (Brazil); Estudo comparativo de telhas ceramicas produzidas no municipio de Campos dos Goytacazes, RJ

    Energy Technology Data Exchange (ETDEWEB)

    Almeida, L.L.P. de; Pacheco, A.T.; Carreiro, R.S; Petrucci, L.J.T., E-mail: lezira@ig.com.br [Fundacao de Apoio a Escola Tecnica (FAETEC), Campos dos Goytacazes, RJ (Brazil). Centro Vocacional Tecnologico - Ceramica

    2011-07-01

    The city of the Campos dos Goytacazes, situated in the region north of the state of Rio de Janeiro, presents characteristics place that it enter the producing greater of blocks and ceramic roofing tiles for the domestic market. This work makes a study enters four manufacturers of ceramic roofing tiles of the city of the Campos dos Goytacazes/RJ, to analysis comparatively its results according to in agreement the characterization submitted to dilatometry, Thermogravimetry, Differential Thermal Analysis and X-ray diffraction for the physical tests the tiles were collected after burning and the tests under Bylaw NBR 15310. The results had indicated a significant variation in the values of water absorption of each manufacturer. The same ones demonstrate that the ceramic roofing tiles of Campos of the Goytacazes present a uniformity in the results, being that it needs technological accompaniment during the manufacture process, to improve its properties and its quality for adequacy to the normative parameters of the ABNT. (author)

  2. Arte y trabajo: una aproximación conceptual a la relación del arte con otros campos del espacio social

    Directory of Open Access Journals (Sweden)

    Ivonne Paola Mendoza Niño

    2011-09-01

    Full Text Available El presente artículo forma parte del ejercicio de socialización de la tesis de maestría de la autora, que busca abordar conceptualmente, desde las ciencias sociales, las relaciones del campo del arte con otros campos del espacio social, sobre todo con las dinámicas educativas y laborales. El texto está compuesto por tres momentos: la caracterización del campo del arte; la relación entre arte, educación, trabajo, profesión y empleo; y un primer acercamiento a la actividad de actores y actrices. El trabajo se centra en una revisión del estado actual de los temas mencionados, y unas primeras reflexiones que pretenden abrir el camino de una investigación empírica a profundidad referida a las trayectorias educativas y laborales de los actores y actrices de Bogotá (Colombia.

  3. Comparison of predicted binders in Rhipicephalus (Boophilus) microplus intestine protein variants Bm86 Campo Grande strain, Bm86 and Bm95.

    Science.gov (United States)

    Andreotti, Renato; Pedroso, Marisela S; Caetano, Alexandre R; Martins, Natália F

    2008-01-01

    This paper reports the sequence analysis of Bm86 Campo Grande strain comparing it with Bm86 and Bm95 antigens from the preparations TickGardPLUS and Gavac, respectively. The PCR product was cloned into pMOSBlue and sequenced. The secondary structure prediction tool PSIPRED was used to calculate alpha helices and beta strand contents of the predicted polypeptide. The hydrophobicity profile was calculated using the algorithms from the Hopp and Woods method, in addition to identification of potential MHC class-I binding regions in the antigens. Pair-wise alignment revealed that the similarity between Bm86 Campo Grande strain and Bm86 is 0.2% higher than that between Bm86 Campo Grande strain and Bm95 antigens. The identities were 96.5% and 96.3% respectively. Major suggestive differences in hydrophobicity were predicted among the sequences in two specific regions. PMID:18823577

  4. Natural radioactivity in petroleum residues

    Energy Technology Data Exchange (ETDEWEB)

    Gazineu, M.H.P. [UNICAP, Dept. de Quimica, Recife (Brazil); Gazineu, M.H.P.; Hazin, C.A. [UFPE, Dept. de Energia Nuclear, Recife (Brazil); Hazin, C.A. [Centro Regional de Ciencias Nucleares/ CNEN, Recife (Brazil)

    2006-07-01

    The oil extraction and production industry generates several types of solid and liquid wastes. Scales, sludge and water are typical residues that can be found in such facilities and that can be contaminated with Naturally Occurring Radioactive Material (N.O.R.M.). As a result of oil processing, the natural radionuclides can be concentrated in such residues, forming the so called Technologically Enhanced Naturally Occurring Radioactive Material, or T.E.N.O.R.M.. Most of the radionuclides that appear in oil and gas streams belong to the {sup 238}U and {sup 232}Th natural series, besides 40 K. The present work was developed to determine the radionuclide content of scales and sludge generated during oil extraction and production operations. Emphasis was given to the quantification of {sup 226}Ra, {sup 228}Ra and 40 K since these radionuclides,are responsible for most of the external exposure in such facilities. Samples were taken from the P.E.T.R.O.B.R.A.S. unity in the State of Sergipe, in Northeastern Brazil. They were collected directly from the inner surface of water pipes and storage tanks, or from barrels stored in the waste storage area of the E and P unit. The activity concentrations for {sup 226}Ra, {sup 228}Ra and 40 K were determined by using an HP Ge gamma spectrometric system. The results showed concentrations ranging from 42.7 to 2,110.0 kBq/kg for {sup 226}Ra, 40.5 to 1,550.0 kBq/kg for {sup 228}Ra, and 20.6 to 186.6 kBq/kg for 40 K. The results highlight the importance of determining the activity concentration of those radionuclides in oil residues before deciding whether they should be stored or discarded to the environment. (authors)

  5. Process to recycle shredder residue

    Science.gov (United States)

    Jody, Bassam J.; Daniels, Edward J.; Bonsignore, Patrick V.

    2001-01-01

    A system and process for recycling shredder residue, in which separating any polyurethane foam materials are first separated. Then separate a fines fraction of less than about 1/4 inch leaving a plastics-rich fraction. Thereafter, the plastics rich fraction is sequentially contacted with a series of solvents beginning with one or more of hexane or an alcohol to remove automotive fluids; acetone to remove ABS; one or more of EDC, THF or a ketone having a boiling point of not greater than about 125.degree. C. to remove PVC; and one or more of xylene or toluene to remove polypropylene and polyethylene. The solvents are recovered and recycled.

  6. Fitossociologia do estrato herbáceo-subarbustivo de uma área de campo sujo no Distrito Federal, Brasil Phytosociology of the herb-subshrub layer in an area of campo sujo, Distrito Federal, Brazil

    Directory of Open Access Journals (Sweden)

    Cássia Beatriz Rodrigues Munhoz

    2006-09-01

    Full Text Available O campo sujo consiste basicamente de um estrato herbáceo sub-arbustivo dominado por gramíneas, alguns arbustos esparsos e indivíduos arbóreos normalmente menos desenvolvidos de espécies de cerrado sentido restrito. O objetivo desse estudo foi avaliar a estrutura fitossociológica do estrato herbáceo-subarbustivo, em diferentes períodos de amostragem, em uma área de campo sujo localizada na Fazenda Água Limpa, Brasília, DF (15º55'35,4"-15º56'4,1"S e 47º54'20,8"-47º54'21,9" W. Uma área de 400×400 m foi subdividida em quatro porções de 200×200 m onde foram sorteadas linhas de 40 m. No levantamento fitossociológico adotou-se o método de interseção na linha. Foram amostradas 163 espécies, incluídas em 78 gêneros e 39 famílias. A família mais importante foi Poaceae com 67,04% de cobertura. A similaridade de Sørensen entre as quatro linhas amostradas foi alta, entre 0,60 e 0,69, provavelmente devido à homogeneidade do solo da área. A similaridade entre os cinco períodos de inventário também foi alta, pois as espécies mais importantes variam pouco as suas taxas de cobertura ao longo do ano. No entanto, para o estrato herbáceo recomenda-se mais de uma amostragem por ano, para se registrar as espécies com baixa freqüência e cobertura e com ciclo de vida curto.Campo sujo consists of an herbaceous/sub-shrub layer dominated by grasses with some scattered shrubs of poorly developed cerrado sensu stricto species. We did a phytosociological survey of the herbaceous/sub-shrub layer of a campo sujo at the Água Limpa Farm, Brasília, DF (15º55'35,4''-15º56'4,1''S; 47º54'20,8''-47º54'21,9''W. by sampling over time. We randomly set 40-meter transects inside a 400×400 m plot divided in four quadrats of 200×200 m. The line intercept method was adopted for sampling where each line was divided in 1 m sections. We found a total of 163 species belonging to 78 genera and 39 families. Poaceae was the most important family with

  7. Cetaceans occurrence visual monitoring during seismic survey in the North of Campos Basin; Monitoramento visual de ocorrencia de cetaceos durante o levantamento de dados sismicos no norte da Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Flor, Karina C.A.; Amaro, Thays P.C.; Carloni, Giuliano G. [Ecologus Engenharia Consultiva, Rio de Janeiro, RJ (Brazil); Uller, George A. [CGGVeritas, Rio de Janeiro, RJ (Brazil)

    2008-07-01

    The objective of this research is to present the results of the marine biota visual monitoring developed during the seismic survey in the north area of Campos Basin. The monitoring lasted five months, between 14 February and 14 July 2007, reaching, on average, eleven hours and fifty one minutes of sign effort per day. It was conducted by fourteen marine biota catch sign, three for each period of boarding, that took over during all period of the activity. Sixty two cetaceans were registered, eight belonging to suborder Odontoceti and four belonging to suborder Mysticeti. Tursiops truncatus was the predominant species in number of registers, followed by Megaptera novaeangliae. It's important to report that during all seismic activity period there wasn't any cetacean register presenting any behavior disturbance. (author)

  8. Una apuesta analítica del funcionamiento del dispositivo psi pericial en el campo penal Uma aposta analitica do funcionamento do dispositivo psi pericial inserido no campo penal An analysis of the psy expert assemblage in the penal field

    Directory of Open Access Journals (Sweden)

    Laura López Gallego

    2010-08-01

    Full Text Available La aproximación al dispositivo psi pericial inserto en el campo penal aquí efectuada, traza un itinerario de análisis que aborda el funcionamiento de dicho dispositivo, poniendo especial énfasis en las imbricadas relaciones entre los saberes jurídicos y lo psi. Para efectuar dicho análisis, se utilizan documentos específicos producidos por los peritos psi en el marco del Poder Judicial del Uruguay. Se entiende a las prácticas psi como el efecto de ciertas confluencias históricas relacionadas con el examen, con las estrategias de objetividad, con la traducción de categorías psi en categorías jurídicas y con la incorporación de la lógica de individualización como eje del dispositivo psi pericial. La pregunta que guía el análisis versa sobre lo que posibilita la incorporación del dispositivo psi pericial en el campo penal.A aproximação ao dispositivo psi pericial inserido no campo penal aqui realizada traça um itinerário de análise que aborda o funcionamento do dispositivo, enfatizando as relações imbricadas entre os saberes jurídicos e psi. Para realizar a análise, utilizam-se documentos específicos produzidos por peritos psi no marco do Poder Judicial do Uruguai. Entendem-se as práticas psi como efeito de certas confluências históricas relacionadas ao exame, às estratégias de objetividade, à tradução de categorias psi em categorias jurídicas e à incorporação da lógica da individualização como um ponto central do dispositivo psi pericial. A pergunta que orienta a análise é o que possibilita a incorporação do dispositivo psi pericial no campo penal.The approach made here about the "expert psy assemblage" inserted into the criminal field draws a path of analysis that considers the operation of this assemblage, highlighting the intertwined relationships between the legal and psychological knowledge. To undertake such analysis, specific documents produced by the psy experts, working under the Judiciary

  9. Avaliação do uso de medicamentos na rede pública municipal de saúde de Campo Grande/MS An evaluation of drug use in the municipal health care service of Campo Grande-MS

    OpenAIRE

    Maria Candia Nunes da Cunha; José Roberto Zorzatto; Lia Lusitana Cardozo de Castro

    2002-01-01

    Em virtude do arsenal terapêutico disponível às populações, é crescente no âmbito mundial a preocupação com o uso racional dos medicamentos. Estudos de Utilização de Medicamentos, atividade da Farmacoepidemiologia, fornecem importantes informações sobre todas as fases do uso dos fármacos em uma sociedade e suas conseqüências, evidenciando como é feita a gestão saúde/doença. Neste estudo objetivou-se avaliar o uso de medicamentos na rede pública municipal de saúde de Campo Grande/MS, empregand...

  10. Endometriose pélvica: comparação entre imagens por ressonância magnética de baixo campo (0,2 T e alto campo (1,5 T Pelvic endometriosis: a comparison between low-field (0.2 T and high-field (1.5 T magnetic resonance imaging

    Directory of Open Access Journals (Sweden)

    Karine Minaif

    2008-12-01

    Full Text Available OBJETIVO: Comparar a ressonância de baixo campo (0,2 T com a de alto campo (1,5 T na avaliação da endometriose pélvica e adenomiose. MATERIAIS E MÉTODOS: Foram estudadas, prospectivamente, 27 pacientes do sexo feminino com suspeita clínica de endometriose, realizando-se exames de ressonância magnética de alto campo e baixo campo. Um mesmo radiologista realizou a leitura dos exames, iniciando pelo baixo campo, seguido pelo alto campo, usando como padrão-ouro o alto campo. RESULTADOS: Das 27 pacientes estudadas, 18 (66,7% apresentaram alguma lesão indicativa de endometriose nos exames realizados no alto campo. Foram corretamente diagnosticados pelo baixo campo 14 destas pacientes. Endometriomas, lesões tubárias e focos de endometriose maiores do que 7 mm identificados pelo alto campo foram também identificados no baixo campo, com acurácia, sensibilidade e especificidade de 100%. Das nove pacientes com adenomiose caracterizadas pelo alto campo, oito foram corretamente identificadas pelo baixo campo, com acurácia, sensibilidade e especificidade de 88,9%. CONCLUSÃO: A ressonância de baixo campo apresentou baixa sensibilidade na detecção de pequenos focos de endometriose, alta sensibilidade na detecção de endometriomas e focos de endometriose grandes, e boa acurácia na detecção da adenomiose quando comparada com a ressonância de alto campo.OBJECTIVE: To compare low-field (0.2 T with high-field (1.5 T magnetic resonance imaging in the assessment of pelvic endometriosis and adenomyosis. MATERIALS AND METHODS: Twenty-seven female patients with clinically suspected endometriosis were prospectively evaluated by means of high-field and low-field magnetic resonance imaging. The reading of the images was performed by a single radiologist, initiating by the low-field, followed by the high-field images. High-field magnetic resonance imaging was utilized as the golden-standard. RESULTS: Among the 27 patients included in the present study

  11. Fiber-optic polymer residue monitor

    Energy Technology Data Exchange (ETDEWEB)

    Pfeifer, K.B.; Jarecki, R.L. Jr. [Sandia National Labs., Albuquerque, NM (United States); Dalton, T.J. [Digital Semiconductor, Hudson, MA (United States)

    1998-10-01

    Semiconductor processing tools that use a plasma to etch polysilicon or oxides produce residue polymers that build up on the exposed surfaces of the processing chamber. These residues are generally stressed and with time can cause flaking onto wafers resulting in yield loss. Currently, residue buildup is not monitored, and chambers are cleaned at regular intervals resulting in excess downtime for the tool. In addition, knowledge of the residue buildup rate and index of refraction is useful in determining the state of health of the chamber process. The authors have developed a novel optical fiber-based robust sensor that allows measurement of the residue polymer buildup while not affecting the plasma process.

  12. Managing residual limb hyperhidrosis in wounded warriors.

    Science.gov (United States)

    Pace, Sarah; Kentosh, Joshua

    2016-06-01

    Residual limb dermatologic problems are a common concern among young active traumatic amputee patients who strive to maintain an active lifestyle. Hyperhidrosis of residual limbs is a recognized inciting factor that often contributes to residual limb dermatoses and is driven by the design of the prosthetic liner covering the residual limb. Treatment of hyperhidrosis in this population presents a unique challenge. Several accepted treatments of hyperhidrosis can offer some relief but have been limited by lack of results or side-effect profiles. Microwave thermal ablation has presented an enticing potential for residual limb hyperhidrosis. PMID:27416083

  13. 40 CFR 180.519 - Bromide ion and residual bromine; tolerances for residues.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 23 2010-07-01 2010-07-01 false Bromide ion and residual bromine... Tolerances § 180.519 Bromide ion and residual bromine; tolerances for residues. (a) General. The food additives, bromide ion and residual bromine, may be present in water, potable in accordance with...

  14. Estado e programas municipais de habitação popular em Campos dos Goytacazes (RJ State and municipal housing policies in Campos dos Goyta­cazes (RJ, Brazil

    Directory of Open Access Journals (Sweden)

    Julio Cesar Pinheiro de Oliveira

    2012-07-01

    Full Text Available O desenvolvimento das cidades após a Revolução Industrial foi marcado por processos de diferenciação e segregação, entre os quais se destacam as condições precárias de acesso à habitação impostas aos segmentos mais pobres da população. Em função disto, o Estado estabeleceu políticas habitacionais para minimizar os efeitos deste processo de segregação. O presente artigo analisa o papel dos municípios brasileiros como agentes de intervenção do Estado na questão habitacional, a partir das ações da prefeitura municipal de Campos dos Goytacazes (RJ. Os resultados obtidos mostram que as políticas habitacionais não são um fator suficiente para reverter a segregação socioespacial, e que aquelas devem ser acompanhadas por outras políticas que possam incorporar os seus habitantes na economia urbana.The development of cities after the Industrial Revolution was marked by processes of differentiation and segregation, in which the precarious access to housing imposed on the poor segments of the population is one of the most visible aspects. Because of that, the State established housing policies to minimize the effects of segregation. This article analyzes the role of Brazilian municipalities as agents of State intervention in the housing issue, focusing on the actions implemented by the municipal government of Campos dos Goytacazes. Results show that housing policies alone are insufficient to reverse socio-spatial segregation when the delivery of housing units is not followed up by other public policies aimed at incorporating their dwellers in the urban economy.

  15. The sequence stratigraphy of the Campo Mourao (upper part) and Taciba Formations, Itarare Group, Eastern part of the Parana Basin, Brazil; Estratigrafia de sequencias das formacoes Campo Mourao (parte superior) e Taciba, Grupo Itarare, Leste da Bacia do Parana

    Energy Technology Data Exchange (ETDEWEB)

    Castro, Joel Carneiro de [UNESP, Rio Claro, SP (Brazil). Inst. de Geociencias e Ciencias Exatas. E-mail: jocastro@caviar.igce.unesp.br

    1999-06-01

    The chronostratigraphic framework of the Campo Mourao (upper part) and Taciba formations, Itarare Group was investigated through a subsurface study in the eastern flank of the Parana Basin. A total of five depositional sequences were recognized, each represented by an upward increase in the argillaceous content (sandstone to diamictite to shale). The upper part of basal sequence 1 is formed by a thick diamictite by the Lontras Shale; these glaciomarine and marine systems may constitute the transgressive tract of the sequence and represent the top of Campo Mourao Formation/cycle. The Lontras Shale (or Member) is not restricted to the Santa Catarina State; instead it is recognized throughout the eastern flank of the basin. The sequence 2 is represented in the basal portion by the sandstones of Rio Segredo (base of Taciba Formation/cycle). The next sequences are similar to the previous one, including some particular patterns: as the basal sandstones form clastic wedges, the sequence may be represented exclusively by diamictities. The clastic wedges of sequences 2 and 4 were applied from east and northeast; the western margin also contributed as source of coarse clastics. Sequences 4 and 5 were studied in detail, since they were reached by several shallow wells near the outcrop belt. the sequence 4 clearly displays facies change from marine in the south (Passinho Shale) to delta front in center-south, and to coal-bearing delta plain in the north. The occurrence of sequence 5 is restricted to southern Parana and northern Santa Catarina; it presents deltaic sandstone deposits intercalated with marine shales/sandstones and glaciomarine diamictites. Despite some transitional characteristics shown by the upper part of Itarare Group (sequences 4 and 5), it is noteworthy the unconformable of the Group with the overlying, post-glacial Triunfo Member of Rio Bonito Formation. (author)

  16. Anticorpos contra Toxoplasma gondii em estudantes de medicina veterinária de Campo Grande, MS, Brasil Antibodies to Toxoplasma Gondii in veterinary medicine students of Campo Grande, MS, Brazil

    Directory of Open Access Journals (Sweden)

    Flábio Ribeiro de Araújo

    2000-12-01

    Full Text Available Amostras de soro obtidas de estudantes do curso de Medicina Veteriná ria da Universidade para o Desenvolvimento do Estado e da Região do Pantanal, Campo Grande, MS, Brasil, foram examinadas para a presença de anticorpos contra Toxoplasma gondii. Dos 145 soros testados, 44 (30,34% foram positivos na hemaglutinação, com título igual ou superior a 1:16. Não foram observadas associações entre as caracterí sticas epidemiológicas examinadas, tais como hábitos alimentares (ingestão de carne bovina crua ou malpassada, vegetais crus/não lavados, produtos lácteos não pasteurizados ou contato constante com cães e a presença de anticorpos contra T. gondii, exceto pelo percentual significativamente maior de estudantes soropositivos que relataram ter contato freqüente com gatos (P=0,03.Serum samples obtained from students of the School of Veterinary Medicine, Universidade para o Desenvolvimento do Estado e da Região do Pantanal, Campo Grande, MS, Brazil, were examined for Toxoplasma gondii gondii antibodies. Serum samples from 44 (30.34% of the 145 veterinary students examined were positive on the hemagglutination test, yielding a titer of 1:16 or greater. There were no relations between the epidemiological characteristics examined, such as food habits (eating of raw or rare-cooked cattle meat, raw/uncleaned vegetables, unpasteurized dairy products, frequent contact with dogs and the presence of T. gondii antibodies, except for a significantly higher percentual of seropositive students that reported frequent contact with cats (P=0.03.

  17. Purchase policies to fresh fruit and vegetables in supermarkets in Campo Grande, Brazil Formas de compra e procedência de hortaliças na rede de supermercados em Campo Grande (MS

    Directory of Open Access Journals (Sweden)

    Dario de O Lima-Filho

    2012-03-01

    Full Text Available This study aims to analyze purchase policies to fruits and vegetables in supermarkets in Campo Grande, Brazilian Midwest. Thirteen interviews were conducted with representatives from supermarkets, small, medium and large, responsible for purchasing fresh vegetables. By analyzing the responses obtained through interviews, we can observe that producers make almost the entire supply of fruits and vegetables in large supermarkets from other states, and the small and medium establishments usually buy more with the local producer. For retailers, the fruits and vegetables represent an important factor to create internal circulation of customers in stores and a factor of attraction of clients too, in addition, this products offer high profitability. For the supermarket, the fruits and vegetables locally produced are fresher and have lower comparative cost. However, supply regularity, the volume and variety offered by local producers are considered unsatisfactory.O presente estudo objetiva analisar as formas de compra dos supermercados para o abastecimento de hortaliças em Campo Grande. Foram realizadas treze entrevistas com representantes de supermercados de pequeno, médio e grande porte, responsáveis pelas compras destes produtos. Os resultados revelam que praticamente todo o fornecimento de hortaliças nos grandes supermercados é feito por produtores de outros estados, sendo que os estabelecimentos de pequeno e médio porte ainda conseguem abastecer-se satisfatoriamente com os produtores locais. Para os varejistas, o setor de hortaliças representa importante espaço de geração de tráfego interno de clientes nas lojas, sendo um fator de atração. Pode-se verificar, ainda, que as hortaliças produzidas localmente atendem ao requisito "frescor" e também possuem menor custo comparativo, porém, a regularidade no fornecimento, o volume e a variedade oferecida pelos produtores locais são considerados insatisfatórios.

  18. Oil seepage detection technique as a tool to hydrocarbon prospecting in offshore Campos Basin-Brazil; Deteccao de exsudacoes de oleo como uma ferramenta de prospeccao de hidrocarbonetos na regiao maritima da Bacia de Campos - Brasil

    Energy Technology Data Exchange (ETDEWEB)

    Castilho, Jose G.; Brito, Ademilson F. [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia (COPPE). Lab. de Modelagem de Bacias (LAB2M); Landau, Luiz [Universidade Federal do Rio de Janeiro (UFRJ), RJ (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia (COPPE). Lab. de Metodos Computacionais em Engenharia (LAMCE)

    2004-07-01

    With a proven capacity to identify oil slicks in offshore regions, RADARSAT-1 imagery can be useful for oil exploration purposes. The paper discusses the seepage detection method at Campos Basin, offshore Rio de Janeiro State, which is responsible for 80% of the Brazilian production of oil and gas. It is known that the horizontal migration of petroleum can occurs over tens or even hundreds of kilometers, where the source rock placed in more deep locations can be linked with shallow reservoirs or traps and even reach the ocean. It means that seepage can provide information for risking petroleum charge at basin scales, and cannot have a direct relation with the geographical position of the interpreted seeps and possible filled prospects. A good understanding of the geology, and hence the petroleum systems of a basin is the key to use seepage in exploration. The work is divided into three main steps. First step were select oil seepages interpreted at Campos Basin where is found several giant petroleum fields. Second, the geology of the study area and its structural and stratigraphic features were analyzed, in order to identify possible migration pathways related to faults generated by halokinesis. Another important aspect is the presence of 'windows' or ducts in the evaporates beds allowing the contact between the section that contains source rocks and the turbidities reservoirs, that contain the majority of the oil discovers. All these features were interpreted based on a regional dip seismic line (203 - 76), and a geologic cross section with E-W orientation, showing the structure of the Marlim Field. Finally, all the information was integrated in a Geographical Information System (GIS), and then analyzed in an interdisciplinary environment, with the intention to link possible routes of oil migration to post-evaporites reservoirs or to interpreted seeps. (author)

  19. Proposta de atividade de campo para o ensino de biodiversidade usando formigas como modelo = A field work proposal for teaching biodiversity using ants as a model

    OpenAIRE

    Rogério Soares Cordeiro; Moacir Wuo; Maria Santina de Castro Morini

    2010-01-01

    As atividades de campo continuam sendo um caminho árduo para o professor, entretanto, elas representam um dos principais passos para o estudo da biodiversidade. Nosso país é considerado megadiverso, mas ensinar sobre esse tema é complexo. Assim, o objetivo desse trabalho foi delinear um protocolo de atividades de campo para que o professor possa aplicar durante suas aulas sobre diversidade biológica. As formigas foram escolhidas como modelo de estudo, pois são ricas e abundantes na grande mai...

  20. Simulación de cargas eléctricas en campos electrostáticos y magnéticos

    OpenAIRE

    Barco Ríos, Héctor

    2007-01-01

    En este trabajo se describen algunos fenómenos electromagnéticos que ocurren sobre cargas eléctricas puntuales positivas o negativas tales como la fuerza electrostática, campo electrostático, potencial electrostático y campo magnético. Cada uno de ellos con diversas características para que el usuario del programa pueda experimentar de una forma didáctica y a la vez aprenda de manera propia lo que tiene que ver con cada fenómeno y la relación que tiene con la vida cotidiana. El trabajo es...

  1. Estudio de los campos eléctricos y magnéticos originados por las instalaciones eléctricas de distribución

    OpenAIRE

    Aragüez del Corral, Inés

    2012-01-01

    El primer bloque de este Proyecto Final de Carrera consiste en una investigación del estado del conocimiento sobre los efectos de los campos magnéticos y eléctricos originados por las instalaciones eléctricas de distribución. Para ello, se ha hecho una labor muy exhaustiva de investigación documental.El segundo gran bloque de este Proyecto Final de Carrera ha sido la constatación práctica de los campos magnéticos y eléctricos en las instalaciones de distribución, para ello se han selecc...

  2. Pensar o ensino de ciências e o campo a partir da agroecologia: uma experiência com alunos do sertão sergipano.

    OpenAIRE

    Melo, Juliana Franco de Melo; Cardoso, Lívia de Rezende

    2011-01-01

    A agroecologia é uma ciência em construção que surgiu da necessidade de repensar a forma de como o ser humano se relaciona com a natureza, assim como o sistema de produção de alimentos. Nesse sentido, esta pesquisa buscou desenvolver conceitos e ferramentas da Agroecologia para auxiliar na reflexão das práticas cotidianas dos alunos do campo. Através da pesquisa participante, a pesquisa ocorreu em uma escola do campo junto aos jovens da 6ª série do ensino fundamental. Durante os encontros, fo...

  3. Sugerencias metodológicas para realizar trabajo de campo lingüístico en la Amazonía

    OpenAIRE

    Fleck, David W.

    2008-01-01

    En el presente artículo, propongo una metodología y ofrezco algunas recomendaciones de carácter práctico para realizar trabajo descriptivo con lenguas poco estudiadas, a partir de mi propia experiencia de campo en la Amazonía occidental. Los temas desarrollados aquí incluyen la evaluación y uso de la literatura lingüística disponible, la preparación para la permanencia en el campo, el trato con los hablantes de la lengua en cuestión, las técnicas de recolección de datos y la escritura del tra...

  4. La inserción del psicólogo en el campo educativo: intervención y prácticas en contexto

    OpenAIRE

    Compagnucci, Elsa Rosa; Denegri, Adriana; Fabbi, María Victoria

    2009-01-01

    La presente ponencia se enmarca en el proyecto de investigación: “El desarrollo del conocimiento profesional del psicólogo: estudio de graduados de la UNLP; su inserción en el campo educativo”, programa de incentivos (2008- 2009). Uno de los objetivos de esta investigación apunta a la problematización de la Psicología Educacional como disciplina científica y campo profesional; desde ese lugar presentamos una breve reseña histórica deteniéndonos en la delimitación de la psicología escolar y el...

  5. A coexistência de formas e forças: a atualidade das contribuições Gestaltistas ao campo da arte

    OpenAIRE

    Ferraz, Gustavo Cruz; Kastrup, Virgínia

    2010-01-01

    O objetivo do presente trabalho é apontar a atualidade da contribuição do Gestaltismo no campo da arte. O texto coloca em questão a leitura tradicional de diversos autores da história da psicologia que identifica o Gestaltismo apenas a uma teoria da forma, centrada nas noções de boa forma e equilíbrio. Baseado nos estudos e comentários de Gilbert Simondon, assim como nos trabalhos de Rudolf Arnheim no campo da arte, ressalta a importância do plano das forças e da dimensão dinâmica presentes n...

  6. 3-manifold groups are virtually residually p

    CERN Document Server

    Aschenbrenner, Matthias

    2010-01-01

    Given a prime $p$, a group is called residually $p$ if the intersection of its $p$-power index normal subgroups is trivial. A group is called virtually residually $p$ if it has a finite index subgroup which is residually $p$. It is well-known that finitely generated linear groups over fields of characteristic zero are virtually residually $p$ for all but finitely many $p$. In particular, fundamental groups of hyperbolic $3$-manifolds are virtually residually $p$. It is also well-known that fundamental groups of $3$-manifolds are residually finite. In this paper we prove a common generalization of these results: every $3$-manifold group is virtually residually $p$ for all but finitely many~$p$. This gives evidence for the conjecture (Thurston) that fundamental groups of $3$-manifolds are linear groups.

  7. Residual Fragments after Percutaneous Nephrolithotomy

    Directory of Open Access Journals (Sweden)

    Kaan Özdedeli

    2012-09-01

    Full Text Available Clinically insignificant residual fragments (CIRFs are described as asymptomatic, noninfectious and nonobstructive stone fragments (≤4 mm remaining in the urinary system after the last session of any intervention (ESWL, URS or PCNL for urinary stones. Their insignificance is questionable since CIRFs could eventually become significant, as their presence may result in recurrent stone growth and they may cause pain and infection due to urinary obstruction. They may become the source of persistent infections and a significant portion of the patients will have a stone-related event, requiring auxilliary interventions. CT seems to be the ultimate choice of assessment. Although there is no concensus about the timing, recent data suggests that it may be performed one month after the procedure. However, imaging can be done in the immediate postoperative period, if there are no tubes blurring the assessment. There is some evidence indicating that selective medical therapy may have an impact on decreasing stone formation rates. Retrograde intrarenal surgery, with its minimally invasive nature, seems to be the best way to deal with residual fragments.

  8. Agricultural Residues Based Composites 1. Preparation of Fibrous Agricultural Residues

    International Nuclear Information System (INIS)

    The aim of this study is to use agricultural residues as bagasse, cotton stalks, rice straw, linen and linen fibers, which are produced in Egypt in huge amounts annually to produce composites with cement or gypsum. Also the effect of physical and chemical treatments of the fibers and the addition of some additives to the composites was studied. The mechanical properties of the produced composites also the effect of its firing at temperatures up to 800 degree C was tested after dipping in water for different time intervals (1-90 days). In this paper we considered only the preparation of different types of fibers, its grinding and separation to different fiber lengths (ca. 0.4 to 1.5 mm). The percent of each fiber length and its chemical and physical analysis is found

  9. Computational Prediction of Heme-Binding Residues by Exploiting Residue Interaction Network

    OpenAIRE

    Rong Liu; Jianjun Hu

    2011-01-01

    Computational identification of heme-binding residues is beneficial for predicting and designing novel heme proteins. Here we proposed a novel method for heme-binding residue prediction by exploiting topological properties of these residues in the residue interaction networks derived from three-dimensional structures. Comprehensive analysis showed that key residues located in heme-binding regions are generally associated with the nodes with higher degree, closeness and betweenness, but lower ...

  10. Criterios básicos para la instalación de alumbrado en campos de fútbol

    Directory of Open Access Journals (Sweden)

    Gandolfo Castells, Antonio José

    1981-12-01

    Full Text Available Not available.

    El alumbrado de instalaciones destinadas a diferentes prácticas deportivas, en este caso el fútbol, está absolutamente determinado, tanto por el nivel práctico de juego, como por las necesidades requeridas para una correcta filmación o retransmisión televisiva, bien en blanco y negro, bien en color, y por supuesto por la comodidad visual de los espectadores in situ. De esta forma encontramos campos de fútbol con alumbrados permitiendo exclusivamente entrenamientos, en los cuales la única exigencia es la posibilidad de realizar un juego en el que cada jugador distinga claramente al balón y a los demás jugadores.

  11. El Simbolismo y la “Cultura Organizacional” De los abusos conceptuales a las lecciones de campo

    Directory of Open Access Journals (Sweden)

    Omar Aktouf

    2002-12-01

    Full Text Available El dominio del management está hoy invadido detrabajos, publicaciones, investigaciones, coloquios quetratan lo que se denomina desde finales de los años 70,la “cultura organizacional.” Esta corriente no ha cesadode fortalecerse y de crecer hasta constituir, hoy porhoy, casi un campo disciplinario independiente y totalcon sus especialistas, sus escuelas, sus tendencias, sus«clásicos”2, sus revistas, sus números especiales regularesen publicaciones periódicas importantes tales como Administrative Science Quarterly, Organization Studies, International Studies of Management and Organization, Revue française de gestion, Revue internationale de gestion, sin contar los innumerables artículos en las revistas demayor difusión, del tipo Fortune o Business Week.

  12. Estudio de los procesos celulares inducidos por campos eléctricos en sistemas Lab-on-a-Chip

    OpenAIRE

    Oliva Brañas, Ana María

    2014-01-01

    En esta tesis doctoral se ha estudiado de forma sistemática la relación entre los campos eléctricos y las células, y los efectos que éstos tienen a diferentes niveles (supervivencia, metabolismo, expresión proteica, morfología), en dispositivos de tipo Lab-on-a-Chip y aplicándolo a un caso concreto de un concentrador basado en dielectroforesis. Se ha realizado de manera que se ha podido diferenciar la aportación de cada uno de los parámetros eléctricos a los cambios. Se ha diseñado, fabr...

  13. Modelos cosmológicos com campo escalar nao-minimamente acoplado e interaçoes no setor escuro

    OpenAIRE

    Binder, Juliano Brun

    2013-01-01

    Resumo: Neste trabalho investigamos a evolução de um Universo no qual um campo escalar, não-minimamente acoplado à curvatura do espaço-tempo, faz o papel da energia escura e é o responsável pela atual expansão acelerada do Universo. Dois acoplamentos diferentes entre a matéria escura não-relativística e a energia escura são considerados, dando origem a dois diferentes modelos. Além disso, consideramos também dois modelos para a pressão da matéria escura: o usual, sem pressão, e outro que é co...

  14. Epidemiología de campo y epidemiología social Field epidemiology and social epidemiology

    Directory of Open Access Journals (Sweden)

    Javier Segura del Pozo

    2006-03-01

    Full Text Available Mediante la comparación de la epidemiología de campo y la epidemiología social, se pretende reflexionar sobre los imaginarios no explícitos que operan en ambos ámbitos, necesariamente convergentes, sobre los obstáculos de la práctica epidemiológica actual para alcanzar su función social y sobre la necesidad de cambiar las bases epistemológicas, metodológicas y prácticas que operan en la epidemiología, empezando por la formación del epidemiólogo de campo. La epidemiología de campo tiende a la acción sin marco teórico. La epidemiología social, por el contrario, tiende a los desarrollos teóricos (reflexión e investigación sobre los determinantes sociales alejados de la acción, debido a los limitantes para cambiar las políticas públicas. Otras diferencias se sitúan en el nivel de intervención (micro/macroespacios, el objeto de intervención (control del brote frente a control de las desigualdades y en la forma de articular la comunicación con la sociedad. Se asemejan en la preocupación por el método, la predominancia de una orientación positivista y condicionada por la estadística, aunque en proceso de cierta apertura epistemológica, la tensión experimentada entre relacionarse con un mundo virtual de bases de datos o con la sociedad real, su situación en la periferia del sistema político-social-institucional-profesional y por estar abocadas a la frustración profesional. Finalmente, se formulan 10 interrogantes a los epidemiólogos de campo sobre su práctica actual, a través de los cuales se podría evaluar si están realizando una epidemiología social, y se sugieren cambios para introducir en la formación y práctica del epidemiólogo.Comparing field epidemiology and social epidemiology, we pretend to think about the no explicit images and meanings operating in both necessary convergent fields, about the obstacles present in epidemiological practice to fulfil its social function and about the necessity of

  15. Use and valuation of native and introduced medicinal plant species in Campo Hermoso and Zetaquira, Boyacá, Colombia

    DEFF Research Database (Denmark)

    Cadena-Gonzalez, Ana Lucia; Sørensen, Marten; Theilade, Ida

    2013-01-01

    Background: Medicinal plant species contribute significantly to folk medicine in Colombia. However, few local studies have investigated whether species used are introduced or native and whether there is a difference in importance of native and introduced medicinal plant species. The aim...... of the present study was to describe the use of medicinal plants within two municipalities, Campo Hermoso and Zetaquira, both in the department of Boyaca Colombia and to assess the importance of native and introduced plants to healers, amateur healers and local people. As local healers including amateur healers...... have no history of introduced species our working hypotheses (H1-2) were that H-1: native and introduced medicinal plant species are of equal importance and H-2: healers and amateur healers do not differentiate in their preferences between native and introduced medicinal plant species. Methods: Ten...

  16. Crescimento de cultivares de alface conduzidas em estufa e a campo Growth of lettuce cultivars in greenhouse and the field

    OpenAIRE

    Bernadete Radin; Carlos Reisser Júnior; Ronaldo Matzenauer; Homero Bergamaschi

    2004-01-01

    Alguns indicadores de crescimento das cultivares de alface Verônica, Marisa e Regina foram analisados, através de um experimento em estufa de plástico e a campo, de 15/04 a 03/06/99, na FEPAGRO, em Eldorado do Sul (RS). As amostragens das plantas iniciaram-se uma semana após o transplante e prosseguiram (semanalmente) até o final do ciclo da cultura. As plantas cultivadas em estufa, apresentaram aumento na massa de matéria fresca e seca foliar, na área foliar e área foliar específica e no núm...

  17. New data on the epigraphy of Campo Real/Fillera (Sos del Rey Católico-Sangüesa

    Directory of Open Access Journals (Sweden)

    Javier ANDREU PINTADO

    2010-07-01

    Full Text Available The aim of this paper is to present the conclusions of two new epigraphic autopsies over two latin inscriptions –unpublished the first one, the second already known but here for the first time reviewed– found in the archaeological site of Campo Real/Fillera (Sos del Rey Católico-Sangüesa, in the northeast part of ancient Vascones’ territory. Some new archaeological materials related with the history of the monumentalization process of this ancient ciuitas are also presented: specially an spectacular funerary osteotheca made of stone with glass case, an unicum in the archeology of the death in the North-East part of the Iberian Peninsula. The paper is completed with a paleoanthropological and geological characterization of some of the most important evidences presented (including two pieces of green “campán” and turkish marble.

  18. Red teórica en el campo educativo. Aplicación del modelo holístico

    Directory of Open Access Journals (Sweden)

    Yannett Arteaga

    2003-05-01

    Full Text Available El propósito de este estudio fue aplicar los elementos que sustentan el modelo de representación y prueba de hipótesis de Bagozzi y Phillps (1982 en el campo educativo, utilizando constructos teóricos como transversalidad curricular y cambio. La metodología de desarrollo consistió en generar una red teórica a partir de la revisión y discusión de la complejidad considerada como la teoría de sustento, disgregándola en categorías de análisis. Seguido se presenta una propuesta para validar dicha red. Como consideración final se afirma que este modelo es aplicable a cualquier área de conocimiento para generar teorías.

  19. Spotted fever group Rickettsia in Amblyomma dubitatum tick from the urban area of Campo Grande, Mato Grosso do Sul, Brazil.

    Science.gov (United States)

    Matias, Jaqueline; Garcia, Marcos Valério; Cunha, Rodrigo Casquero; Aguirre, André de Abreu Rangel; Barros, Jacqueline Cavalvante; Csordas, Bárbara Guimarães; Andreotti, Renato

    2015-03-01

    Rickettsia infection of each tick was evaluated by the hemolymph test and polymerase chain reaction (PCR) targeting gltA and ompA genes. All hemolymph tests were negative and PCR of one A. dubitatum detected both Rickettsia genes. Sequence of ompA exhibited a 99% identity with Rickettsia parkeri and R. africae and a 98% identity with R. sibirica. Rickettsia of the spotted fever group in A. dubitatum is described for the first time in an urban area within the municipality of Campo Grande in the state of Mato Grosso do Sul (MS), Brazil. This finding reinforces the importance of more detailed studies to determine the role of A. dubitatum in the transmission of spotted fever agents.

  20. Cultura Política e Polos Regionais: comparando Campos dos Goytacazes (RJ com Maringá ampliada (PR

    Directory of Open Access Journals (Sweden)

    Sergio de Azevedo

    2015-01-01

    Full Text Available The article analyzes in comparative perspective the similarities and differences between the political culture of the population resident in Campos dos Goytacazes (RJ and Maringá, Paysandú and Sarandi, set of municipalities that we call Maringá magnified. On the comparative analysis between the Regional Poles two major theoretical questions that unify the proposal of this work are prioritized. The first corresponds to the classical concerns relating to the operation of democracy and citizens’ participation in the public life. The second refers to the impacts that the processes of change, differentiation and trajectory of life impacted in different groups, personal values that present, in different ways, an arc that goes from traditional conservatism to the legitimization of new habits and posture.

  1. O Engenheiro Álvaro de Campos e sua construção poética

    Directory of Open Access Journals (Sweden)

    Anderson Xavier

    2011-08-01

    Full Text Available Neste ensaio buscamos o cotejo de “Ode Marítima” com o todo da obra de Álvaro de Campos. Temos como objetivo principal demonstrar um movimento parabólico na produção poética do autor no que tange às sensações. Em um primeiro momento o poeta impressionado pela modernidade do mundo exalta a velocidade e a máquina. Na “Ode Triunfal”, este apego à maquinaria é evidente, assim como em todas as composições de sua fase sensacionista. O envolvimento do poeta com a máquina se dá por uma ligação de amabilidade, explicada pelas idéias que subsistiam em torno do moderno.

  2. Characterization of corn landraces planted grown in the campos gerais region (Paraná, Brazil for industrial utilization

    Directory of Open Access Journals (Sweden)

    Alessandra Teixeira Barbosa Pinto

    2009-11-01

    Full Text Available This work has the objective of characterizing twenty corn landraces grown in the Campos Gerais region (Paraná State in relation to its chemical composition (moisture, ash, protein, ether extract, dietary fiber and starch and physical properties (weight of 1000 grains, real density, flotation index, granulometry and color. In addition, also the lab scale processing of the kernels from the varieties was carried out for producing starch; starch purity was evaluated by measuring its protein contamination. Amylose contents and viscoamylograph profile were also evaluated. The results showed that the evaluated landraces have differences in chemical composition as well as in pericarp/endosperm/germ proportions and consequently it should have different industrial applications and interest for plant breeding.Esse trabalho teve o objetivo de caracterizar vinte variedades de milho crioulo cultivadas na região dos Campos Gerais (Estado do Paraná em relação a sua composição química (umidade, cinzas, proteína, extrato etéreo, fibra alimentar e amido e propriedades físicas (peso de 1000 grãos, densidade real, índice de flotação, granulometria e cor Além disso, foi feito o processamento dos grãos em escala de laboratório para a extração do amido, sendo mensurado o teor de proteína. Foram avaliados os conteúdos de amilose e o perfil viscoamilográfico. Os resultados mostraram que os milhos apresentaram diferentes composições químicas e proporções pericarpo/endosperma/ gérmen e consequentemente podem ter diferentes aplicações industriais e interesse ao melhoramento de plantas.

  3. Lead-lead isotope method. Application to migmatites and associaded rocks of the region of Sao Jose dos Campos, SP

    International Nuclear Information System (INIS)

    Establishment of chemical and analytical procedures, preparation and purification of reagents and the mounting of a clean laboratory (class 100) for the Pb-Pb isotope dating of whole rock and mineral samples are discussed in this work. Two different methods of dissolution of rock samples and chemical separation of lead using anionic resin were tried in a conventional chemical laboratory using analytical grade reagents. The samples analysed were paleossome and neossome of migmatites from Sao Jose dos Campos, SP, and from the results obtained the analytical method to be employed was chosen. The results obtained by this method agree well with those of the Geochronology Laboratory at Oxford, for the same samples. Applying the established analytical procedure, migmatites and associated gneisses from the region of Sao Jose dos Campos were dated by Pb/Pb method. Some of the samples were also dated by Rb-Sr method. The lead-lead isochron age of 2355 +- 85 M.a. (μ1 = 8.33) for the paleossome may be interpreted as the age of the metamorphism for these rocks, which were formed probably during the Archean. The age data for the phacoidal gneisses show a similar geological evolution, whereas the 2414 +- 800 M.A. Pb-Pb isochron age for the protomylonitic gneisses indicates a disturbed Pb-Pb isotope system. The neossome samples define a Pb-Pb isochron age of 1388 +- 290 M.A. (μ1 = 8.15), which may be interpreted as the age of migmatization. The calculated Pb-Pb ages for two alkali feldspars from the migmatites are devoid of any geological significance. The age values obtained by the Rb-Sr isotope system for the neossome and paleossome of the migmatites agree with the Pb/Pb data within experimental errors. However, the study shows that results of the Rb-Sr data alone cannot be interpreted unambiguously with out comparison with data from other isotope systems. (author)

  4. Diferenças de gênero no campo da sexologia: novos contextos e velhas definições

    Directory of Open Access Journals (Sweden)

    Fabiola Rohden

    2011-08-01

    Full Text Available OBJETIVO: Analisar concepções de gênero e sexualidade presentes no campo de intervenções terapêuticas em torno do sexo. PROCEDIMENTOS METODOLÓGICOS: Observação etnográfica, complementada por análise documental de material impresso referente ao X Congresso Brasileiro de Sexualidade Humana, promovido pela Sociedade Brasileira de Estudos em Sexualidade Humana, e ao VIII Congresso Brasileiro sobre Inadequações Sexuais, promovido pela Associação Brasileira para o Estudo das Inadequações Sexuais, realizados em 2005. A análise privilegiou a interação entre a perspectiva quantitativa no processamento das variáveis profissão e gênero dos participantes e temas das palestras, e perspectiva qualitativa na análise e interpretação do conjunto mais geral de dados. RESULTADOS: Os temas das sessões e o enfoque das apresentações sugerem que o campo é definido pelo contraste entre duas especialidades médicas: a ginecologia e a urologia, a primeira voltada para disfunções femininas e do casal e a segunda para as disfunções masculinas. CONCLUSÕES: A sexualidade masculina é abordada por perspectiva predominantemente biomédica, centrada na fisiologia da ereção e na prescrição de medicamentos, enquanto a sexualidade feminina é apresentada como condicionada por problemas relacionais, mais adequados à intervenção psicológica.

  5. PERFIL MORFOFISIOLÓGICO E SOMATOTIPOLÓGICO DE JOVENS ATLETAS DA MODALIDADE TÊNIS DE CAMPO

    Directory of Open Access Journals (Sweden)

    Marcelo Romanovitch Ribas

    2013-12-01

    Full Text Available O perfil antropométrico e o somatotipo exercem grande influência no desempenho esportivo, porém, estas informações em tenistas adolescentes brasileiros apresentam-se um tanto quando escassas. Por este motivo, o objetivo deste referido estudo foi determinar as características antropométricas, composição corporal e somatotipo de atleta amadores da modalidade Tênis de Campo da categoria 12 anos. Foram avaliados 10 indivíduos do sexo masculino em período de competição, com idade de 12 anos, atletas da modalidade tênis de campo de nível amador registrados na Federação Paranaense de Tênis. Foram avaliados nos atletas às variáveis antropométricas (massa corporal total, estatura, circunferências, diâmetros e dobras. Destas mensurações originou-se o cálculo do IMC, massa magra, massa gorda e o somatotipo. Os tenistas se apresentaram com massa corporal média de (37,14 ± 5,14 Kg; estatura (144,4 ± 7,00 cm; IMC (17,78 ± 1,78 Kg/m2; percentual de gordura (14,31 ± 3,09; massa magra (31,82 ± 4,53 Kg; MG (5,32 ± 1,32 Kg e somatotipo (2,8 – 3,4 – 3,2. Pode-se concluir que os atletas deste estudo se apresentaram com um perfil de composição corporal e somatotipo, semelhante ao perfil de tenistas da mesma idade.

  6. PRESENCE OF ANTI-TOXOCARA ANTIBODIES IN CHILDREN SELECTED AT HOSPITAL UNIVERSITÁRIO, CAMPO GRANDE, MS, BRAZIL

    Directory of Open Access Journals (Sweden)

    Maria de Fatima C. MATOS

    1997-01-01

    Full Text Available Visceral Larva Migrans syndrome (VLM results from the presence or migration of helminth larvae in humans, who nonetheless only play the role of paratenic hosts in the helminths' life cycle. In humans, VLM can be caused by larvae of various nematode species, chiefly those of the ascarid Toxocara canis, which can then be found at a variety of body sites, such as the liver, lungs, heart, and brain. Clinical and pathological manifestations depend primarily on larvae number and location, infection duration, reinfection occurrence, and host's immunological condition. Signs and symptoms may range from asymptomatic infection to severe disease. In humans, infection is acquired through ingestion of T. canis eggs present in soil, containing larvae in the infective stage7, 8, 9. Indeed, eggs of Toxocara sp. have been found in sandboxes in several public places in the city of Campo Grande, Mato Grosso do Sul state2. This study was carried out to detect the presence of anti-Toxocara antibodies in children attending the Pediatrics division of Hospital Universitário of Universidade Federal de Mato Grosso do Sul at Campo Grande, Brazil. Over the years 1992-94, 454 serum samples, obtained from children of 5.25 ± 3.28 years of mean age and selected at that hospital on the basis of eosinophil count greater than or equal to 1000/mm3 of blood, were tested for the presence of antibodies by means of the ELISA technique employing Toxocara canis larvae excretory-secretory antigens5. A high prevalence rate for toxocariasis (35.55% was found, which was observed to be associated with eosinophil levels lower than those usually reported in literature. Furthermore, a higher frequency of positive serology among boys was also observed (13 cases in contrast to only 3 among girls, a result also reported by other authors

  7. PHYSICAL PROPERTIES OF CORN RESIDUES

    Directory of Open Access Journals (Sweden)

    Yaning Zhang

    2012-01-01

    Full Text Available Corn residues (cobs, leaves and stalks are abundantly available renewable materials that can be used as an energy source in gasification and combustion systems. Proper understanding of the physical properties of these materials is necessary for their use in thermochemical conversion processes. The physical properties (moisture content, particle size, bulk density and porosity of corn cobs, leaves and stalks were determined in this study. The moisture contents were 6.38, 7.92 and 6.40% of the cobs, leaves and stalks, respectively. The cobs had the highest weight percentage (18.23% of the small particles (0.850 mm. Most of the stalk particles (84.82% were in the range of 0.212-0.850 mm. The cob particle size had a normal concave (inward distribution between particle sizes 0.106 mm (18.23 weight % and 0.925 mm (25.26 weight % with the lowest weight percentage (5.30 weight % at 0.390 mm particle size while the stalk particle size had a normal convex (outward distribution between particle sizes 0.106 mm (8.49 weight % and 0.925 mm (6.69 weight % with the highest weight percentage (23.47 weight % at the 0.605 mm particle size. The leaves had an increasing trend of particle size distribution between the particle sizes 0.106 and 0.925 mm. The average particle sizes for the cobs, leaves and stalks were 0.56, 0.70 and 0.49 mm, respectively. The average bulk density was 282.38, 81.61 and 127.32 kg m-3 for the corn cobs, leaves and stalks, respectively. The average porosity was 67.93, 86.06 and 58.51% for the corn cobs, leaves and stalks, respectively. A positive relationship between the average particle size and the porosity was observed for the corn residues. The differences in the physical properties among the corn residues (cobs, leaves and stalks observed in this study are due to variations in the compositions and structures of these materials.

  8. MORTAR WITH UNSERVICEABLE TIRE RESIDUES

    Directory of Open Access Journals (Sweden)

    José Aparecido Canova

    2009-12-01

    Full Text Available This study analyzes the effects of unserviceable tire residues on rendering mortar using lime and washed sand at a volumetric proportion of 1:6. The ripened composite was dried in an oven and combined with both cement at a volumetric proportion of 1:1.5:9 and rubber powder in proportional aggregate volumes of 6, 8, 10, and 12%. Water exudation was evaluated in the plastic state. Water absorption by capillarity, fresh shrinkage and mass loss, restrained shrinkage and mass loss, void content, flexural strength, and deformation energy under compression were evaluated in the hardened state. There was an improvement in the water exudation and water absorption by capillarity and drying shrinkage, as well as a reduction of the void content and flexural strength. The product studied significantly aided the water exudation from mortar and, capillary elevation in rendering.

  9. MORTAR WITH UNSERVICEABLE TIRE RESIDUES

    Directory of Open Access Journals (Sweden)

    J. A. Canova

    2009-01-01

    Full Text Available This study analyzes the effects of unserviceable tire residues on rendering mortar using lime and washed sand at a volumetric proportion of 1:6. The ripened composite was dried in an oven and combined with both cement at a volumetric proportion of 1:1.5:9 and rubber powder in proportional aggregate volumes of 6, 8, 10, and 12%. Water exudation was evaluated in the plastic state. Water absorption by capillarity, fresh shrinkage and mass loss, restrained shrinkage and mass loss, void content, flexural strength, and deformation energy under compression were evaluated in the hardened state. There was an improvement in the water exudation and water absorption by capillarity and drying shrinkage, as well as a reduction of the void content and flexural strength. The product studied significantly aided the water exudation from mortar and, capillary elevation in rendering.

  10. Residual Liquefaction under Standing Waves

    DEFF Research Database (Denmark)

    Kirca, V.S. Ozgur; Sumer, B. Mutlu; Fredsøe, Jørgen

    2012-01-01

    This paper summarizes the results of an experimental study which deals with the residual liquefaction of seabed under standing waves. It is shown that the seabed liquefaction under standing waves, although qualitatively similar, exhibits features different from that caused by progressive waves....... The experimental results show that the buildup of pore-water pressure and the resulting liquefaction first starts at the nodal section and spreads towards the antinodal section. The number of waves to cause liquefaction at the nodal section appears to be equal to that experienced in progressive waves for the same...... wave height. Recommendations are made as to how to assess liquefaction potential in standing waves. Copyright © 2012 by the International Society of Offshore and Polar Engineers (ISOPE)....

  11. Forest residues in cattle feed

    Directory of Open Access Journals (Sweden)

    João Elzeário Castelo Branco Iapichini

    2012-12-01

    Full Text Available The ruminants are capable of converting low-quality food, when they are complementes with high-energy source. Through the use of regional agricultural residues is possible to conduct more economical production systems, since energetic foods have high cost in animal production. There is very abundant availability of residues in agroforestry activities worldwide, so that if a small fraction of them were used with appropriate technical criteria they could largely meet the needs of existing herds in the world and thus meet the demands of consumption of protein of animal origin. The Southwest Region of São Paulo State has large area occupied by reforestation and wide availability of non-timber forest residues, which may represent more concentrated energetic food for ruminant production. This experiment aimed to evaluate the acceptability of ground pine (20, 30 and 40%, replacing part of the energetic food (corn, present in the composition of the concentrate and was performed at the Experimental Station of Itapetininga - Forest Institute / SMA, in the dry season of 2011. It were used four crossbred steers, mean 18 months old, average body weight of 250 kg, housed in a paddock provided with water ad libitum and covered troughs for supplementation with the experimental diet. The adjustment period of the animals was of 07 days and the measurement of the levels of consumption, physiological changes, acceptability and physiological parameters were observed during the following 25 days. The concentrate supplement was formulated based on corn (76.2%, Soybean Meal (20%, urea (2%, Ammonium sulfate (0.4%, calcite (1.4%, Mineral Core (1% and finely ground Pine Cone, replacing corn. In preparing food, the formulas were prepared to make them isoproteic/energetic, containing the following nutrient levels: 22% Crude Protein (CP and 79% of Total Nutrients (TDN. The animals received the supplement in three steps for each level of cone replaced, being offered in the

  12. THE DISTRIBUTION FUNCTION OF RESIDUE-RESIDUE CONTACTS IN PROTEIN MOLECULES

    Institute of Scientific and Technical Information of China (English)

    Xiang-hong Wang; Jian-hong Ke; Zhen-quan Lin

    2005-01-01

    In protein molecules each residue has a different ability to form contacts. In this paper, we calculated the number of contacts per residue and investigated the distribution of residue-residue contacts from 495 globular protein molecules using Contacts of Structural Units (CSU) software. It was found that the probability P(n) of amino acid residues having n pairs of contacts in all contacts fits Gaussian distribution very well. The distribution function of residue-residue contacts can be expressed as: P(n) = P0 + aexp[-b(n - nc)2]. In our calculation, P0 = -0.06, a = 11.4, b = -0.04 and nc = 9.0. According to distribution function, we found that those hydrophobic (H) residues including Leu, Val, Ile, Met, Phe, Tyr, Cys, and Trp residues have large values of the most probable number of contact nc, and hydrophilic (P) residues including Ala, Gly, Thr,His, Glu, Gln, Asp, Asn, Lys, Ser, Arg, and Pro residues have the small ones. We also compare with Fauchere-Pliska hydrophobicity scale (FPH) and the most probable number of contact nc for 20 amino acid residues, and find that there exists a linear relationship between Fauchere-Pliska hydrophobicity scale (FPH) and the most probable number of contact nc,and it is expressed as: nc = a + b × FPH, here a = 8.87, and b = 1.15. It is important to further explain protein folding and its stability from residue-residue contacts.

  13. Escritores comprometidos, campo literario y novela total en los años sesenta. Mario Vargas Llosa, lector de Cien años de soledad

    Directory of Open Access Journals (Sweden)

    Jorge Valenzuela Garcés

    2011-07-01

    Full Text Available El proyecto de “novela total” que concibieron y llevaron a la práctica connotados integrantes del “boom” de la novela hispanoamericana tuvo extraordinarias muestras en textos como Cien años de soledad o La casa verde. En este estudio nos ocupamos de describir el campo literario delos años sesenta y el modo en que este influye, a través de la figura del compromiso, en las demandas al escritor-intelectual de izquierda sobre la necesidad de proyectar, en los textos literarios, una imagen integral del proceso histórico y social del continente. El análisis se centra en la forma en que Vargas Llosa construye, a partir del análisis de una novela como Cien años de soledad, el proyecto de la novela total y el modo en que la novela del escritor colombiano representó esta totalidad respondiendoa las demandas del campo literario en un contexto marcado porun discurso que entonces explicaba la situación de retraso de nuestro continente debido a la dependencia del imperialismo.Palabras claves: Mario Vargas Llosa, novela total, campo intelectual, campo literario.

  14. Max Aub entre el teatro, la narrativa y el cine (Campo francés y Morir por cerrar los ojos)

    OpenAIRE

    Diaz Navarro, Epicteto

    2006-01-01

    Este artículo examina la sorprendente técnica cinematográfica de "Campo francés", una de las novelas que componen el gran ciclo narrativo de Max Aub, y las conexiones que presenta con "Morir por cerrar los ojos", claro ejemplo de teatro comprometido que se sitúa en la Francia ocupada.

  15. Nuestra señora del campo. historia de un objeto en santafé de bogotá. siglos xvi al xx

    OpenAIRE

    Acosta, Olga Isabel

    2010-01-01

    Este artículo inicia con un balance de la historiografía colombiana sobre el arte colonial, y luego se concentra en el estudio de la Virgen del Campo. Estudia en detalle su origen como objeto de culto y la devoción que en tomo suyo se formó, desde la época colonial hasta el presente.

  16. Decreasing residual aluminum level in drinking water

    Institute of Scientific and Technical Information of China (English)

    王志红; 崔福义

    2004-01-01

    The relativity of coagulant dosage, residual turbidity, temperature, pH etc. with residual aluminum concentration were investigated, and several important conclusions were achieved. Firstly, dosage of alum-coagulant or PAC1 influences residual aluminum concentration greatly. There is an optimal-dosage-to-aluminum, a bit less than the optimal-dosage-to-turbidity. Secondly, it proposes that decreasing residual aluminum concentration can be theoretically divided into two methods, either decreasing (even removing) the concentration of particulate aluminum component, or decreasing dissolved aluminum. In these tests there is an optimal value of residual turbidity of postprecipitation at 7.0 NTU. Thirdly, residual aluminum level will increase while water temperature goes higher. At the last, optimal pH value corresponds a minimum dissolved aluminum at a given turbidity. Data shows the optimal pH value decreases with water temperature's increasing.

  17. RESIDUES IN CARROTS TREATED WITH LINURON

    DEFF Research Database (Denmark)

    Løkke, Hans

    1974-01-01

    Investigations have been carried out on residues of linuron and its breakdown products in carrots sprayed with Jinuron at 1, 2, or 4 kg a.i./ha, 0, 19, 28, 36 or 60 days after sowing (up to 57 days before harvesting). The extracted residues were separated into three fractions by liquid-liquid par......Investigations have been carried out on residues of linuron and its breakdown products in carrots sprayed with Jinuron at 1, 2, or 4 kg a.i./ha, 0, 19, 28, 36 or 60 days after sowing (up to 57 days before harvesting). The extracted residues were separated into three fractions by liquid......,4-dichloroaniline and iodide ion, followed by gas chromatography with electron capture detector. Only 5-13% of the extract-able residues were breakdown products. Most of the detectable residue (87-95%) was identified as linuron. The relative proportions of linuron and breakdown products in carrots at the time...

  18. Bayesian nonparametric regression with varying residual density

    OpenAIRE

    Pati, Debdeep; Dunson, David B.

    2013-01-01

    We consider the problem of robust Bayesian inference on the mean regression function allowing the residual density to change flexibly with predictors. The proposed class of models is based on a Gaussian process prior for the mean regression function and mixtures of Gaussians for the collection of residual densities indexed by predictors. Initially considering the homoscedastic case, we propose priors for the residual density based on probit stick-breaking (PSB) scale mixtures and symmetrized ...

  19. Residual Energies after Slow Quantum Annealing

    OpenAIRE

    Suzuki, Sei; Okada, Masato

    2005-01-01

    Features of the residual energy after the quantum annealing are investigated. The quantum annealing method exploits quantum fluctuations to search the ground state of classical disordered Hamiltonian. If the quantum fluctuation is reduced sufficiently slowly and linearly by the time, the residual energy after the quantum annealing falls as the inverse square of the annealing time. We show this feature of the residual energy by numerical calculations for small-sized systems and derive it on th...

  20. Residual stresses in polymer matrix composite laminates

    Science.gov (United States)

    Hahn, H. T.

    1976-01-01

    Residual stresses in composites are induced during fabrication and by environmental exposure. The theory formulated can describe the shrinkage commonly observed after a thermal expansion test. Comparison between the analysis and experimental data for laminates of various material systems indicates that the residual stress-free temperature can be lower than the curing temperature, depending on the curing process. Effects of residual stresses on ply failure including the acoustic emission characteristics are discussed.

  1. Studies Of Residual Flexibility And Vibration Testing

    Science.gov (United States)

    Admire, John R.; Tinker, Michael L.; Bookout, Paul S.; Ivey, Edward W.

    1995-01-01

    Collection of reports presents theoretical and experimental studies in which concept of residual flexibility applied to modal vibration testing and verification of mathematical models of vibrations of flexible structure constrained by another structure. "Residual flexibility" denotes that part of interface flexibility due to mode shapes out of frequency range of test. Studies directed toward assessing residual-flexibility approach as substitute for fixed-base vibrational testing of payloads installed in spacecraft.

  2. Structure of residual interaction in spherical nuclei

    OpenAIRE

    Kamchatnov, A. M.; Nosov, V. G.

    2003-01-01

    The effect of residual interaction between nucleons (quasiparticles) on shell oscillations of the masses of spherical nuclei is considered. The singularity of the ground state energy of the system in the vicinity of nucleon magic numbers is analyzed for various types of the dependence of residual interaction on orbital momentum of the quasiparticle. It is shown that only the perturbation band width of the Fermi distribution due to residual interaction which is proportional to the square of th...

  3. Maintaining Arc Consistency with Multiple Residues

    OpenAIRE

    Lecoutre, Christophe; Likitvivatanavong, Chavalit; Shannon, Scott; Yap, Roland; Zhang, Yuanlin

    2008-01-01

    International audience Exploiting residual supports (or residues) has proved to be one of the most cost-effective approaches for Maintaining Arc Consistency during search (MAC). While MAC based on optimal AC algorithm may have better theoretical time complexity in some cases, in practice the overhead for maintaining required data structure during search outweighs the benefit, not to mention themore complicated implementation. Implementing MAC with residues, on the other hand, is trivial. I...

  4. Computational Prediction of Hot Spot Residues

    OpenAIRE

    Morrow, John Kenneth; Zhang, Shuxing

    2012-01-01

    Most biological processes involve multiple proteins interacting with each other. It has been recently discovered that certain residues in these protein-protein interactions, which are called hot spots, contribute more significantly to binding affinity than others. Hot spot residues have unique and diverse energetic properties that make them challenging yet important targets in the modulation of protein-protein complexes. Design of therapeutic agents that interact with hot spot residues has pr...

  5. Residues : The gateway to higher arithmetic I

    OpenAIRE

    Siebeneicher, Christian

    2012-01-01

    Residues to a given modulus have been introduced to mathematics by Carl Friedrich Gauss with the definition of congruence in the `Disquisitiones Arithmeticae'. Their extraordinary properties provide the basis for a change of paradigm in arithmetic. By restricting residues to remainders left over by divison Peter Gustav Lejeune Dirichlet - Gauss's successor in G\\"ottingen - eliminated in his `Lectures on number theory' the fertile concept of residues and attributed with the number-theoretic ap...

  6. Identification of kinetically hot residues in proteins.

    OpenAIRE

    M. C. Demirel; Atilgan, A. R.; Jernigan, R. L.; Erman, B; Bahar, I

    1998-01-01

    A number of recent studies called attention to the presence of kinetically important residues underlying the formation and stabilization of folding nuclei in proteins, and to the possible existence of a correlation between conserved residues and those participating in the folding nuclei. Here, we use the Gaussian network model (GNM), which recently proved useful in describing the dynamic characteristics of proteins for identifying the kinetically hot residues in folded structures. These are t...

  7. Alimentary habits of raw milk consumer from Campo Mourão – PR/ Hábitos alimentares do consumidor de leite cru de Campo Mourão – PR

    Directory of Open Access Journals (Sweden)

    Márcia M.S. Bezerra

    2003-05-01

    Full Text Available In Brazil, raw milk is largely consumed, especially within rural communities. A large parcel of total Brazilian milk production is commercialized without any thermal treatment or processing, contradicting the Federal Legislation and offering risks to consumers health. This paper looks for tracing the profile of raw milk consumers from urban zone of Campo Mourão city, western Paraná State, Brazil, and objectives to give information for official organs act in control of raw milk commercialization and development of awareness programs for population. A research was effectuated in 423 houses from urban zone based in a questionnaire with questions about milk consumption, raw milk consumption and its origin. The data was compiled and analyzed by Epi Info v 1.1 software (CDC. 33.57% of population consumed raw milk, and this was linked to the idea that it is healthier. A great part of population did not know the risks of raw milk consumption. The delivery is effectuated at the consumer house (89.60%, usually between 9:00 and 10:00 AM (52.00% was plastic bottles (54.00%. The majority of population did not know that the raw milk commercialization is forbidden. The results show the necessity of effective measures to control raw milk commercialization and stress the need of population awareness programs concerning the raw milk consumption risks.No Brasil o consumo de leite cru é bastante alto, especialmente em comunidades rurais. Grande parte da produção de leite no Brasil é comercializada sem nenhum tratamento térmico ou processamento, contradizendo a Legislação Federal, além de oferecer riscos à saúde do consumidor. Este trabalho busca traçar um perfil do consumidor de leite cru na cidade de Campo Mourão, região oeste do Paraná, Brasil, com o objetivo de fornecer informações para órgãos oficiais atuarem no controle desse mercado informal e em programas de conscientização da população. Dessa forma, foi realizado um levantamento em

  8. Bovine immunoprotection against Rhipicephalus (Boophilus microplus with recombinant Bm86-Campo Grande antigen Imunoproteção de bovinos contra Rhipicephalus (Boophilus microplus com antígeno recombinante Bm86-Campo Grande

    Directory of Open Access Journals (Sweden)

    Rodrigo Casquero Cunha

    2012-09-01

    Full Text Available The southern cattle fever tick, Rhipicephalus (Boophilus microplus, is no doubt the most economically important ectoparasite of cattle globally. The inappropriate use of chemical acaricides has driven the evolution of resistance in populations of R. (B. microplus. Anti-tick vaccines represent a technology that can be combined with acaricides in integrated control programs to mitigate the impact of R. (B. microplus. The recombinant form of Bm86 antigen from the Campo Grande (rBm86-CG strain of R. (B. microplus was produced using the Pichiapastoris expression system to test its ability to immunoprotect cattle against tick infestation. Secretion of rBm86-CG by P. pastoris through the bioprocess reported here simplified purification of the antigen. A specific humoral immune response was detected by ELISA in vaccinated cattle. Immunoblot results revealed that polyclonal antibodies from vaccinated cattle recognized a protein in larval extracts with a molecular weight corresponding to Bm86. The rBm86-CG antigen showed 31% efficacy against the Campo Grande strain of R. (B. microplus infesting vaccinated cattle. The rBm86-CG is an antigen that could be used in a polyvalent vaccine as part of an integrated program for the control of R. (B. microplus in the region that includes Mato Grosso do Sul.O carrapato Rhipicephalus (Boophilus microplus é, sem dúvidas, o ectoparasito economicamente mais importante para o gado a nível mundial. A utilização inadequada de acaricidas tem impulsionado a evolução da resistência em populações de R. (B. microplus. Vacinas contra o carrapato representam uma tecnologia que pode ser combinada com acaricidas em programas de controle integrado para diminuir o impacto de R. (B. microplus. A forma recombinante da Bm86 da cepa Campo Grande (rBm86-CG de R. (B. microplus foi produzido utilizando o sistema de expressão em Pichia pastoris para testar sua capacidade de imunoproteção ao gado contra a infestação de

  9. Modeling of Residual Stresses In Toughened Glass

    DEFF Research Database (Denmark)

    Nielsen, Jens Henrik

    2006-01-01

    , is a step towards such a model. The model is based on the Instant Freeze concept with a few modifications. Current work, using a partial differential equation approach for the modeling and state-of-the-art in modeling residual stresses in glass is briefly presented, and a short description of the toughening......-depth knowledge of the residual stresses in toughened glass near holes and edges where the total stress state is a combination of contact stresses and residual stresses. The present paper, presenting the derivation and results for a model predicting the residual stresses in a glass plate far from edges and holes...

  10. VLSI binary multiplier using residue number systems

    Energy Technology Data Exchange (ETDEWEB)

    Barsi, F.; Di Cola, A.

    1982-01-01

    The idea of performing multiplication of n-bit binary numbers using a hardware based on residue number systems is considered. This paper develops the design of a VLSI chip deriving area and time upper bounds of a n-bit multiplier. To perform multiplication using residue arithmetic, numbers are converted from binary to residue representation and, after residue multiplication, the result is reconverted to the original notation. It is shown that the proposed design requires an area a=o(n/sup 2/ log n) and an execution time t=o(log/sup 2/n). 7 references.

  11. Particulate residue separators for harvesting devices

    Science.gov (United States)

    Hoskinson, Reed L.; Kenney, Kevin L.; Wright, Christopher T.; Hess, John R.

    2010-06-29

    A particulate residue separator and a method for separating a particulate residue stream may include a plenum borne by a harvesting device, and have a first, intake end and a second, exhaust end; first and second particulate residue air streams which are formed by the harvesting device and which travel, at least in part, along the plenum and in a direction of the second, exhaust end; and a baffle assembly which is located in partially occluding relation relative to the plenum, and which substantially separates the first and second particulate residue air streams.

  12. Methods of separating particulate residue streams

    Science.gov (United States)

    Hoskinson, Reed L.; Kenney, Kevin L.; Wright, Christopher T.; Hess, J. Richard

    2011-04-05

    A particulate residue separator and a method for separating a particulate residue stream may include an air plenum borne by a harvesting device, and have a first, intake end and a second, exhaust end; first and second particulate residue air streams that are formed by the harvesting device and that travel, at least in part, along the air plenum and in a direction of the second, exhaust end; and a baffle assembly that is located in partially occluding relation relative to the air plenum and that substantially separates the first and second particulate residue air streams.

  13. Carbaryl residues in maize and processed products

    International Nuclear Information System (INIS)

    Carbaryl residues in two local maize varieties were determined using a colorimetric method. No significant differences were observed for residues of the two varieties which ranged between 12.0 to 13.75 mg/kg in the crude oil, and averaged 1.04 and 0.67 mg/kg in the flour and cake respectively. In whole maize plants, carbaryl residues declined to approximately 2 mg/kg 35 days after treatment. Cooking in aqueous, oil or aqueous-oil media led to 63-83% loss of carbaryl residues, after 30 minutes. (author)

  14. Strength of a multipole residual interaction

    International Nuclear Information System (INIS)

    The consequences of assuming different radial dependences for the multipole residual interaction are explored, using macroscopic and microscopic arguments. Calculations are done both for schematic and realistic cases

  15. INCLUDING GAUGE SYMMETRY IN THE LOCALIZATION MECHANISM OF MASSIVE VECTOR FIELDS // INCLUYENDO SIMETRÍA DE CALIBRE EN EL MECANISMO DE LOCALIZACIÓN DE CAMPOS VECTORIALES MASIVOS

    Directory of Open Access Journals (Sweden)

    Rommel Guerrero

    2013-12-01

    Full Text Available On the four-dimensional sector of an AdS5 warped geometry the standard electromagnetic interaction can be simulated by massive vector fields via the Ghoroku - Nakamura localization mechanism. We incorporate gauge symmetry to this theory by finding the required interaction terms between the vector bosons and the gravitational field of the scenario. The fourdimensional effective theory defined by a Maxwell term and a tower of Stueckelberg fields is obtained after expanding the vector fields on a massive eigenstates basis where the zero mode is uncoupled from the rest of the spectrum. The corrections generated by the massive gauge fields set to the electrostatic potential are also calculated. Keywords: Brane worlds, vector fields localization, electrostatic potential. // RESUMEN La interacción electromagnética sobre el sector cuatro-dimensional de una geometría AdS5 warped puede ser simulada por campos vectoriales masivos a través del mecanismo de localización de Ghoroku - Nakamura. En este trabajo incorporamos simetría de calibre a esta teoría hallando los términos de interacción requeridos entre los bosones vectoriales y el campo gravitacional del escenario. Se presenta la teoría efectiva cuatro-dimensional obtenida luego de expandir los campos vectoriales en una base de autofunciones masiva, donde el modo cero se encuentra desacoplado del resto del espectro y en correspondencia con un término de Maxwell mientras que los estados masivos generan una torre de campos de Stueckelberg. Las correcciones al potencial electrostático inducidas por el espectro de campos masivo también son determinadas.

  16. El concilio Vaticano II y su impacto en el campo episcopal argentino The Second Vatican Council and its impact on argentinian Episcopal field

    Directory of Open Access Journals (Sweden)

    Paulo Margaria

    2012-06-01

    Full Text Available El presente artículo busca explorar el impacto que tuvo el Concilio Vaticano II en la Iglesia Católica Argentina, haciendo especial hincapié en el campo de los obispos, desde una perspectiva socio-religiosa que pretende dar cuenta de la complejidad del campo católico. Para ello nos parece adecuado utilizar la noción de "campo" en términos bourdianos. Consideramos que hablar de "campo religioso" nos permite concebir el catolicismo como un espacio social dinámico y atravesado por constantes conflictos y luchas llevadas a cabo por grupos de agentes que intentan dominar dicho campo. Esto nos permitirá caracterizar las diversas posturas que el Concilio acentuará en el catolicismo argentino, actuando de este modo como un propulsor y legitimador de reflexiones y conflictos que existían previamente.This article examines the impact that Second Vatican Council had on argentinian Catholic Church, with special emphasis on the Bishops field, from a socio-religious perspective that seeks to explain the complexity of Catholic field. Therefore, it seems appropriate to use the Pierre Bourdieu's notion of "field". We believe that talk about "religious field" allows us to conceive Catholicism as a dynamic social space spanned by constant conflicts and struggles carried out by groups of agents who tried to dominate the field. Again, this allows us to characterize the positions that the Council emphasized in the Argentine Catholicism, acting as a propellant and legitimizing ideas and conflicts that existed previously.

  17. Comportamento de Lutzomyia longipalpis, vetor principal da leishmaniose visceral americana, em Campo Grande, Estado do Mato Grosso do Sul Behavior of Lutzomyia longipalpis, the main vector of American visceral leishmaniasis, in Campo Grande, State of Mato Grosso do Sul

    Directory of Open Access Journals (Sweden)

    Elaine Araujo e Silva

    2007-08-01

    Full Text Available O município de Campo Grande, Estado de Mato Grosso do Sul, Brasil, apresenta ocorrência de casos humanos e caninos de leishmaniose visceral desde 2002 e é classificado como área com transmissão intensa. O estudo foi realizado no período de maio de 2003 a abril de 2005, em parceria com a Fundação Nacional de Saúde e a Secretaria de Saúde do Estado, com o objetivo de conhecer o comportamento e a sazonalidade da espécie Lutzomyia longipalpis. As capturas foram realizadas com armadilhas luminosas, tipo CDC, em doze estações distribuídas na zona urbana. As estações com maior densidade situam-se na parte sul da cidade e a abundância relativa aumentou durante, ou logo após, as precipitações pluviométricas. Nos meses frios e secos a quantidade foi reduzida e a abundância relativa foi maior no peridomicílio. A borrifação com alphacypermetrina, em intervalos de quatro meses, contribuiu para a diminuição do vetor em três das quatro estações borrifadas e, das oito que não sofreram intervenção química, cinco tiveram aumento.The municipality of Campo Grande, State of Mato Grosso do Sul, Brazil, has presented cases of canine and human visceral leishmaniasis since 2002, and is classified as an area of intense transmission. This study was carried out from May 2003 to April 2005, in partnership with the National Health Foundation and the State Health Department, with the objective of determining the behavior and seasonality of the species Lutzomyia longipalpis. Captures were accomplished using luminous traps of CDC type, at twelve stations distributed in the urban zone. The stations with the highest population densities were situated in the southern part of the city and the relative abundance increased during or immediately after rainfall. During the cold and dry months, the number of specimens was reduced and the relative abundance was higher in habitats surrounding homes. Spraying with alpha-cypermethrin at four-month intervals

  18. Co-pirólise de resíduos de polietileno com gasóleo pesado da Bacia de Campos Co-pirolysis of Polyethylene Waste with the Campos Bacia Heavy Oil

    Directory of Open Access Journals (Sweden)

    Débora da S. Carneiro

    2011-01-01

    Full Text Available Neste estudo, quatro misturas de PEBD pós-consumo com gasóleo pesado da Bacia de Campos, em diferentes proporções, foram submetidas à pirólise em atmosfera inerte a 550 °C. Os líquidos pirolíticos foram caracterizados por cromatografia em fase gasosa acoplada à espectrometria de massas (CG/EM. A pirólise do gasóleo puro forneceu elevado teor de resíduo e apenas 4% hidrocarbonetos na faixa do óleo diesel. Por outro lado, a pirólise da mistura de gasóleo com PEBD (na proporção 1/0,5 em m/m forneceu 20% de hidrocarbonetos leves com elevada produção de óleo pirolítico (96%. Desta forma, pode-se concluir que a pirólise de resíduos plásticos com gasóleo pesado pode ser uma tecnologia promissora não apenas para aumentar a formação de hidrocarbonetos leves derivados de gasóleo pesado como também para o reaproveitamento de resíduos plásticos.In this study, four mixtures of LDPE post consumer with heavy gas from the Campos Basin, in different proportions, were subjected to pyrolysis in an inert atmosphere at 550 °C. The pyrolytic liquids were characterized by gas chromatography coupled to mass spectrometry (GC/MS. Pyrolysis of pure diesel supplied large amounts of waste oil and only 4% in the range of diesel. On the other hand, the pyrolysis of LDPE mixture of diesel (at the ratio 1/0,5 m/m provided 20% of light hydrocarbons with high production of pyrolytic oil (96%. The formation of high levels of paraffins and olefins in the range of diesel oil during the co-pyrolysis suggests a promising technology for recycling of plastic waste.

  19. Atenção odontológica no Programa de Saúde da Família de Campos dos Goytacazes Dentistry attention in the family's health program (FHP in Campos dos Goytacazes

    Directory of Open Access Journals (Sweden)

    José-Luiz Carvalho de Oliveira

    2005-12-01

    Full Text Available Durante décadas, a política de saúde bucal no Brasil foi centrada na prestação de assistência à doença, e ainda hoje grande parcela da população brasileira não tem acesso a cuidados odontológicos. Pela Portaria nº 1.444, de 28 de dezembro de 2000, o Ministério da Saúde estabelece incentivo financeiro para a reorganização da atenção à saúde bucal aos municípios. Insere-se, assim, a Odontologia no programa e, conseqüentemente, a possibilidade de ampliar e reorientar a atenção odontológica no Brasil. Dentro desse contexto, este estudo teve por objetivo avaliar a situação da equipe de saúde bucal inserida no Programa de Saúde da Família (PSF do município de Campos dos Goytacazes - RJ, em 2002. Os resultados demonstraram algumas limitações na inclusão e funcionamento da Odontologia no PSF da cidade. A atenção odontológica deve ser inserida no PSF, atendendo aos princípios básicos do Plano de Reorganização das Ações de Saúde Bucal na Atenção Básica, proposto pelo Ministério da Saúde, e à consolidação do Sistema Único de Saúde.Oral health policy in Brazil has been centred on giving assistance to diseases for decades and a great portion of the Brazilian population has not already had access to dentistry care. Through Edict 1.444, dated 28th December 2000, the Ministry established a financial incentive for attention re-organization given to oral health in municipalities. In this context, this study aimed at evaluating the situation of oral health teams inserted in the Family's Health Program (FHP in the city of Campos dos Goytacazes, Rio de Janeiro State, Brazil, in 2002. The results show some limitations related to inclusion a working of dentistry at the FHP in that city. Dentistry attention must be attached to the FHP, in accordance with the basic principles of the Re-structuring Oral Health Action Plan in the Basic Attention proposed by the Health Ministry and the National Health System

  20. Bats (Mammalia, Chiroptera in the Ponta Grossa region, Campos Gerais, Paraná, Brazil Morcegos (Mammalia, Chiroptera na região de Ponta Grossa, Campos Gerais, Paraná, Brasil

    Directory of Open Access Journals (Sweden)

    Cibele M. V. Zanon

    2007-06-01

    Full Text Available The diet, reproduction and activity time of bat species found in Ponta Grossa county, Campos Gerais region, were studied. Collections were conducted in four forest fragments, during 272 hours, on 48 m² of nets and roosting sites; the total capture effort was 1.52.10³ h.m². Eight species (247 individuals were registered: Artibeuslituratus (Olfers, 1818, Sturniralilium (E. Geoffroy, 1810, Desmodusrotundus (E. Geoffroy, 1810 (Phyllostomidae; Tadaridabrasiliensis (Desmarest, 1819, Eumopsauripendulus (Shaw, 1800 (Molossidae; Eptesicusbrasiliensis (Shaw, 1800, Myotisnigricans (Schinz, 1821, and Histiotusvelatus (I. Geoffroy, 1824 (Vespertilionidae. The Phyllostomidae family was the most frequently captured. Solanaceae, Moraceae, Piperaceae, and Rosaceae were found in the diet of frugivores; six orders of insects and the class Arachnida were found in the diets of insectivores. Pregnant females were found in September and October and lactating ones in November and December. The collection peak was reached in the second hour-and-a-half. Preservation of the regional forested and altered areas is required for survival of the local chiropterofauna.Estudou-se as espécies de morcegos presentes em Ponta Grossa, na região dos Campos Gerais, Paraná, com o objetivo de conhecer seus aspectos ecológicos básicos (dieta, reprodução e horário de atividade. Realizou-se coletas em quatro fragmentos florestais, onde foram empregadas 272 horas de esforço com 48 m² de redes, e em locais de repouso, totalizando um esforço de captura de 1,52.10³ h.m². Registrou-se 247 indivíduos, de oito espécies: Artibeuslituratus (Olfers, 1818, Sturniralilium (E. Geoffroy, 1810, Desmodusrotundus (E. Geoffroy, 1810 (Phyllostomidae; Tadaridabrasiliensis (Desmarest, 1819, Eumopsauripendulus (Shaw, 1800 (Molossidae; Eptesicusbrasiliensis(Shaw, 1800, Myotisnigricans (Schinz, 1821, Histiotusvelatus (I. Geoffroy, 1824 (Vespertilionidae. Phyllostomidae foi a família mais

  1. Homicide as a public health problem in the city of Campo Grande, Mato Grosso do Sul, Brazil O homicídio como problema de saúde pública no município de Campo Grande, MS

    Directory of Open Access Journals (Sweden)

    Maria Cristina Abraão Nachif

    2006-08-01

    Full Text Available This is a case study of homicides carried out within the Second Section of the Justice Court, in Campo Grande, Mato Grosso do Sul, Brazil. It has been observed that: most homicides are carried out by males (95,7%, Afro-Brazilians (62,9%, between 15 and 25 years (45,7%, illiterate or with incomplete schooling (74,3%, and unemployed (18,6%. It was also observed that the victims' profiles are very similar. Most homicides take place on public streets (41,4%, in the city suburbs, between 20 and 24 o'clock, (51,4%. In 50,0% of the cases, the victim did not receive help from any public health service. In the cases where any family member helped (37,41%, the victims were taken to the Santa Casa de Misericórdia Hospital. Firearms were the prevailing weapons (70,0% and motives for all crimes were futile, or banal; in most cases (57,0%, alcohol was involved.Este trabalho trata-se de um estudo de caso, realizado na Segunda Vara do Tribunal do Júri, de Campo Grande, MS. Verificou-se que: a maioria dos homicídios foi praticada por homens (95,7%, pardos e negros (62,9%, entre 15 e 25 anos (45,7%, analfabetos ou com primeiro grau incompleto (74,3% e desempregados (18,6%. O perfil da vítima é semelhante ao do réu. A maioria dos homicídios ocorreu em via pública (41,4%, na periferia da cidade, entre as 20 e 24 horas (51,4%. Em 50,0% dos casos não houve socorro e encaminhamento para serviços de saúde. Nos casos socorridos por familiares (37,4% as vítimas foram levadas à Santa Casa de Misericórdia. A arma de fogo foi o principal instrumento dos homicídios (70,0%. A motivação para o crime, em todos os casos, foi motivo fútil, ou banal. A maioria (57,0%, envolveu o uso de álcool.

  2. Partitioning Residue-derived and Residue-induced Emissions of N2O Using 15N-labelled Crop Residues

    Science.gov (United States)

    Farrell, R. E.; Carverhill, J.; Lemke, R.; Knight, J. D.

    2014-12-01

    Estimates of N2O emissions in Canada indicate that 17% of all agriculture-based emissions are associated with the decomposition of crop residues. However, research specific to the western Canadian prairies (including Saskatchewan) has shown that the N2O emission factor for N sources in this region typically ranges between 0.2 and 0.6%, which is well below the current IPCC default emission factor of 1.0%. Thus, it stands to reason that emissions from crop residues should also be lower than those calculated using the current IPCC emission factor. Current data indicates that residue decomposition, N mineralization and N2O production are affected by a number of factors such as C:N ratio and chemical composition of the residue, soil type, and soil water content; thus, a bench-scale incubation study was conducted to examine the effects of soil type and water content on N2O emissions associated with the decomposition of different crop residues. The study was carried out using soils from the Black, Dark Brown, Brown, and Gray soil zones and was conducted at both 50% and 70% water-filled pore space (WFPS); the soils were amended with 15N-labeled residues of wheat, pea, canola, and flax, or with an equivalent amount of 15N-labeled urea; 15N2O production was monitored using a Picarro G5101-i isotopic N2O analyzer. Crop residue additions to the soils resulted in both direct and indirect emissions of N2O, with residue derived emissions (RDE; measured as 15N2O) generally exceeding residue-induced emissions (RIE) at 50% WFPS—with RDEs ranging from 42% to 88% (mean = 58%) of the total N2O. Conversely, at 70% WFPS, RDEs were generally lower than RIEs—ranging from 21% to 83% (mean = 48%). Whereas both water content and soil type had an impact on N2O production, there was a clear and consistent trend in the emission factors for the residues; i.e., emissions were always greatest for the canola residue and lowest for the wheat residue and urea fertilizer; and intermediate for pea

  3. Thermal Insulation from Hardwood Residues

    Science.gov (United States)

    Sable, I.; Grinfelds, U.; Vikele, L.; Rozenberga, L.; Zeps, M.; Luguza, S.

    2015-11-01

    Adequate heat is one of the prerequisites for human wellbeing; therefore, building insulation is required in places where the outside temperature is not suitable for living. The climate change, with its rising temperatures and longer dry periods, promotes enlargement of the regions with conditions more convenient for hardwood species than for softwood species. Birch (Betula pendula) is the most common hardwood species in Latvia. The aim of this work was to obtain birch fibres from wood residues of plywood production and to form low-density thermal insulation boards. Board formation and production was done in the presence of water; natural binder, fire retardant and fungicide were added in different concentrations. Board properties such as density, transportability or resistance to particulate loss, thermal conductivity and reaction to fire were investigated. This study included thermal insulation boards with the density of 102-120 kg/m3; a strong correlation between density and the binder amount was found. Transportability also improved with the addition of a binder, and 0.1-0.5% of the binder was the most appropriate amount for this purpose. The measured thermal conductivity was in the range of 0.040-0.043 W/(m·K). Fire resistance increased with adding the fire retardant. We concluded that birch fibres are applicable for thermal insulation board production, and it is possible to diversify board properties, changing the amount of different additives.

  4. HYDROTHERMAL CRACKING OF RESIDUAL OILS

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    The hydrothermal cracking of heavy oils, such as Canadian oil sand bitumen and Arabian heavy vacuum residue, as well as their model compound were performed over sulfided Ni/Al2O3 and NiMo/Al2O3 catalysts under 663~703 K and 6.0~8.0 MPa of hydrogen pressure in a batch autoclave reactor. According to the reaction mechanism of hydrothermal cracking, a small amount of free redical initiators, such as di-tert-peroxide, sulfur, etc., was added into the feed to generate free redicals at lower temperature, and obviously showed promotional effect on the conversion of hydrocarbons. The reaction mechanisms of hydrothermal cracking as well as the enhancing effect of initiators were studied by a probe reaction with 1-phenyldodecane as a model compound. The hydrothermal cracking of hydrocarbon proceeded via free redical mechanism and hydrogenating quench. The initiators might easily generate free redicals under reaction temperature, these redicals might abstract H from hydrocarbon molecule and reasonably initiate the chain reactions, therefore, promote the conversion of hydrocarbon even at lower reaction temperature.

  5. Characterization Report on Sand, Slag, and Crucible Residues and on Fluoride Residues

    International Nuclear Information System (INIS)

    This paper reports on the chemical characterization of the sand, slag, and crucible (SS and C) residues and the fluoride residues that may be shipped from the Rocky Flats Environmental Technology Site (RFETS) to Savannah River Site (SRS)

  6. Ammonia emission from crop residues : quantification of ammonia volatilization based on crop residue properties

    NARCIS (Netherlands)

    Ruijter, de F.J.; Huijsmans, J.F.M.

    2012-01-01

    This paper gives an overview of available literature data on ammonia volatilization from crop residues. From these data, a relation is derived for the ammonia emission depending on the N-content of crop residue.

  7. Compensatory forestation for soil water retention in watersheds of Campos do Jordão municipality, SP, Brazil

    Directory of Open Access Journals (Sweden)

    Getulio Teixeira Batista

    2011-12-01

    Full Text Available Compensatory forestation is an important technique to estimate the necessary forest cover for compensating the water loss due to surface runoff within a watershed and, therefore, guiding forest recovery interventions. The objective of this study was to quantify the forest area needed to compensate water loss caused by surface runoff in Fojo Creek and Perdizes Creek basin areas in the municipality of Campos do Jordão, SP, Brazil. Estimates were based on the Compensatory Forestation Methodology for Retention of Rainwater in Small Watersheds, which takes into consideration the average total annual precipitation, land cover and land use, the water infiltration capacity of soil, and an international recommendation indicating that 20.55% of the water in the hydrological cycle should infiltrate into the soil. These two watersheds have a total area of 2,666.6 ha that account for 9.3% of the municipal area of Campos do Jordão. The main land use and land covers in this area are: 1,257.9 ha of forest, 434.4 ha of urban area, 432.5 ha of commercial forest plantation, 265.1 ha of highland prairies, 126.8 ha of pastureland, and 149.9 ha of other classes. Water infiltration rate field experiment estimated a high rate (298 mmh-1 in forested areas, 289 mmh-1 in areas covered by commercial plantation, 94 mmh-1 in highland prairies, and 63 mmh-1in pasturelands. Based on the 20.55% infiltration recommendation of precipitated water, it was estimated that the total forest area required for these two watersheds to compensate for the runoff caused by the other land cover classes (prairies, pasture lands, reforestation plantations and urban areas should be 1,318.1 ha (51,8%. Therefore, an additional 60.2 ha of recovered forest is needed to compensate for the loss of 1,096 million m³/year of water lost in theses watersheds.

  8. Exposición a campos electromagnéticos en un servicio de rehabilitación

    Directory of Open Access Journals (Sweden)

    Consuelo Rodrigo García-Pando

    2007-03-01

    Full Text Available Los Campos Electromagnéticos están presentes en diferentes puestos de trabajo dentro del ámbito sanitario. Se han realizado miles de estudios en las últimas décadas tratando de conocer los efectos perjudiciales que la exposición a ellos pueda suponer para la salud de los trabajadores. La publicación de la Directiva 2004/40/CE de 29 de abril de 2004, del Parlamento Europeo y del Consejo, que establece las disposiciones mínimas de seguridad y de salud relativas a la exposición de los trabajadores a los riesgos derivados de los agentes físicos y una actualización bibliográfica de los posibles efectos adversos de los campos electromagnéticos, nos sirve como marco de referencia para conocer la situación que nos encontramos en un servicio de Rehabilitación. Con los niveles de exposición medidos en este servicio y los conocimientos existentes en el momento actual sobre efectos biológicos de los CEM, no se detectan exposiciones que supongan riesgo para la salud de sus trabajadores.Electromagnetic Fields (EMF are present in different workplaces inside the sanitary area. Thousands of studies have been realized in the last decades trying to establish the harmful effects that exposure to them can suppose for the health of workers. The publication of the Directive 2004/40/CE of 29 April 2004, of the European Parliament and of the Council, which establishes the minimal health and safety requirements regarding the exposure of workers to the risks arising from physical agents and a bibliographical update of the possible adverse effects of electromagnetic fields, assists us as a frame of reference to know the situation that we are in as a service of Rehabilitation. With the levels of exposure measured in this service and existing knowledge at the current time on the biological effects of the EMF, no exposures are detected that might suppose a risk for workers´ health.

  9. Sonic profile simulation from the profiles of gamma ray and resistivity in the wells from Campos Basin; Simulacao do perfil sonico a partir dos perfis de raios gama e de resistividade em pocos da Bacia de Campos

    Energy Technology Data Exchange (ETDEWEB)

    Leite, Marcos, E-mail: marcosviniciuscl@gmail.com [PETROBRAS, E e P - SERV/US - PO, Macae, RJ (Brazil); Carrasquilla, Abel, E-mail: abel@lenep.uenf.br [Laboratorio de Engenharia e Exploracao de Petroleo, Universidade Estadual do Norte Fluminense Darcy Ribeiro (LENEP/UENF), Macae, RJ (Brazil); Silva, Jadir da [Instituto de Geociencias, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ (Brazil)

    2008-04-15

    The knowledge of the mechanical properties of the rocks is essential in the calculation of the stability of the oil wells and in the elaboration of drilling projects, because they help in the selection of the best equipment for each geologic scene. In these activities, the most important mechanical property is the rock compressibility, which can be calculated from the sonic geophysical log, but this one, not always available in the well data set. In order to minimize this limitation, it was developed, in this work, a methodology to simulate it through an algorithm that utilizes fuzzy logic concepts, using as input data gamma ray and resistivity logs. The basic principle of this methodology is to propose that any geophysical log, including the sonic log, can be considered function of other measured geophysical logs in the same depths. On the other hand, to test the confidence of this approach, it was compared with two others commonly used in the simulation of logs: the linear multiple regression and the neural network back-propagation, showing, our methodology, however, better results. Finally, to validate the method, it was tested using wells from Namorado Oil Field in Campos Basin, which contains gamma ray, sonic and resistivity logs. (author)

  10. Production and injectivity loss forecasting in the Campos Basin due to sulphate scaling; Previsao da perda da produtividade e de injetividade na Bacia de Campos devido a incrustacao de sulfatos

    Energy Technology Data Exchange (ETDEWEB)

    Silva, Raphael Monteiro Pereira da [PETROBRAS, Rio de Janeiro, RJ (Brazil). Unidade de Negocios de Exploracao e Producao do Rio de Janeiro. Gerencia de Reservatorios], e-mail: raphael.monteiro@petrobras.com.br; Bedrikovetsky, Pavel G. [Universidade de Adelaide (Australia). Inst. Australiano de Petroleo], e-mail: pavel.russia@gmail.com

    2007-12-15

    Sulphate scaling is a serious problem for water flood in Campos Basin fields. This phenomenon results in the scaling up of the producers for seawater flood and a decline in injectivity during commingled co-injection of produced and seawater. This work has devised a analytical-model-based method to determine a kinetics coefficient from laboratory core flood, production well neighbourhood and injection well neighbourhood. The kinetic values and formation damage coefficients presented in this work have been calculated from twenty-three laboratory and twenty-two producer well data. The results obtained vary in the same range intervals. They validate the proposed mathematical model, allowing the application of the coefficients in reservoir simulations. Based on the production history of the wells of the Marlim and Namorado fields, the productivity index decline has been predicted by using the production well neighbourhood model. The well injection model permits the maximum safe concentration of sulphate in the desulphated seawater to be determined, with the result that the injectivity damage has been minimized for the Marlim Sul, Marlim, Jubarte, Albacora Leste, Roncador and Marlim Leste fields. (author)

  11. Residuals Management and Water Pollution Control Planning.

    Science.gov (United States)

    Environmental Protection Agency, Washington, DC. Office of Public Affairs.

    This pamphlet addresses the problems associated with residuals and water quality especially as it relates to the National Water Pollution Control Program. The types of residuals and appropriate management systems are discussed. Additionally, one section is devoted to the role of citizen participation in developing management programs. (CS)

  12. Crop Residues: The Rest of the Story

    Science.gov (United States)

    A recent scientific publication stated that to remove CO2 from the atmosphere, the most permanent and rapid solution would be to sink crop residues to the ocean floor where they would be buried in deep ocean sediments. However, mitigating rising atmospheric CO2 concentrations by removing crop residu...

  13. Cycling of grain legume residue nitrogen

    DEFF Research Database (Denmark)

    Jensen, E.S.

    1995-01-01

    Symbiotic nitrogen fixation by legumes is the main input of nitrogen in ecological agriculture. The cycling of N-15-labelled mature pea (Pisum sativum L.) residues was studied during three years in small field plots and lysimeters. The residual organic labelled N declined rapidly during the initial...

  14. Power from wastewater and residual products

    DEFF Research Database (Denmark)

    Krogh-Jeppesen, K.

    2007-01-01

    Microbial fuel cells utilise wastewater and residual products from the pretreatment of straw to generate power. Denmark could lead the way......Microbial fuel cells utilise wastewater and residual products from the pretreatment of straw to generate power. Denmark could lead the way...

  15. Distribution of veterinary drug residues among muscles

    Science.gov (United States)

    The U.S. Food and Drug Administration sets tolerances for veterinary drug residues in muscle, but does not specify which muscle should be sampled for analysis. The goal of this research was to determine if antibiotic residue levels are dependent on muscle type. In this study, penicillin G (Pen G) d...

  16. Residual stresses in injection molded products

    NARCIS (Netherlands)

    Jansen, K.M.B.

    2015-01-01

    During the molding process residual stresses are formed due to thermal contraction during cooling as well as the local pressure history during solidification. In this paper a simple analytical model is reviewed which relates residual stresses, product shrinkage as well as warpage to the temperature

  17. Residual stresses in steel and zirconium weldments

    International Nuclear Information System (INIS)

    Three dimensional scans of residual stress within intact weldments provide insight into the consequences of various welding techniques and stress-relieving procedures. The neutron diffraction method for non-destructive evaluation of residual stresses has been applied to a circumferential weld in a ferritic steel pipe of outer diameter 114 mm and thickness 8.6 mm. The maximum tensile stresses, 250 MPa in the hoop direction, are found at mid-thickness of the fusion zone. The residual stresses approach zero within 20 mm from the weld center. The residual stresses caused by welding zirconium alloy components are partially to blame for failures due to delayed-hydride cracking. Neutron diffraction measurements in a GTA-welded Zr-2.5Nb plate have shown that heat treatment at 530 C for 1 h reduces the longitudinal residual strain by 60%. Neutron diffraction has also been used to scan the residual stresses near circumferential electron beam welds in irradiated and unirradiated Zr-2.5Nb pressure tubes. The residual stresses due to electron beam welding appear to be lower than 130 MPa, even in the as-welded state. No significant changes occur in the residual stress pattern of the electron-beam welded tube, during a prolonged exposure to thermal neutrons and the temperatures typical of an operating nuclear reactor

  18. Tank 12H residuals sample analysis report

    Energy Technology Data Exchange (ETDEWEB)

    Oji, L. N. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Shine, E. P. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Diprete, D. P. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Coleman, C. J. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL); Hay, M. S. [Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)

    2015-06-11

    The Savannah River National Laboratory (SRNL) was requested by Savannah River Remediation (SRR) to provide sample preparation and analysis of the Tank 12H final characterization samples to determine the residual tank inventory prior to grouting. Eleven Tank 12H floor and mound residual material samples and three cooling coil scrape samples were collected and delivered to SRNL between May and August of 2014.

  19. 40 CFR 240.208 - Residue.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Residue. 240.208 Section 240.208 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.208 Residue....

  20. Residual stresses in steel and zirconium weldments

    International Nuclear Information System (INIS)

    Three-dimensional scans of residual stress within intact weldments provide insight into the consequences of various welding techniques and stress-relieving procedures. The neutron diffraction method for nondestructive evaluation of residual stresses has been applied to a circumferential weld in a ferritic steel pipe of outer diameter 114 mm and thickness 8.6 mm. The maximum tensile stresses, 250 MPa in the hoop direction, are found at mid-thickness of the fusion zone. The residual stresses approach zero within 20 mm from the weld center. The residual stresses caused by welding zirconium alloy components are partially to blame for failures due to delayed-hydride cracking. Neutron diffraction measurements in a GTA-welded Zr-2.5 Nb plate have shown that heat treatment at 530 C for 1 h reduces the longitudinal residual strain by 60%. Neutron diffraction has also been used to scan the residual stresses near circumferential electron beam welds in irradiated and unirradiated Zr-2.5 Nb pressure tubes. The residual stresses due to electron beam welding appear to be lower than 130 MPa, even in the as-welded state. No significant changes occur in the residual stress pattern of the electron-beam welded tube, during a prolonged exposure to thermal neutrons and the temperatures typical of an operating nuclear reactor