Field testing of particulate matter continuous emission monitors at the DOE Oak Ridge TSCA incinerator. Toxic Substances Control Act.

Science.gov (United States)

Dunn, James E; Davis, Wayne T; Calcagno, James A; Allen, Marshall W

2002-01-01

A field study to evaluate the performance of three commercially available particulate matter (PM) continuous emission monitors (CEMs) was conducted in 1999-2000 at the US Department of Energy (DOE) Toxic Substances Control Act (TSCA) Incinerator. This study offers unique features that are believed to enhance the collective US experience with PM CEMs. The TSCA Incinerator is permitted to treat PCB-contaminated RCRA hazardous low-level radioactive wastes. The air pollution control system utilizes MACT control technology and is comprised of a rapid quench, venturi scrubber, packed bed scrubber, and two ionizing wet scrubbers in series, which create a saturated flue gas that must be conditioned by the CEMs prior to measurement. The incinerator routinely treats a wide variety of wastes including high and low BTU organic liquids, aqueous, and solid wastes. The various possible combinations for treating liquid and solid wastes may present a challenge in establishing a single, acceptable correlation relationship for individual CEMs. The effect of low-level radioactive material present in the waste is a unique site-specific factor not evaluated in previous tests. The three systems chosen for evaluation were two beta gauge devices and a light scattering device. The performance of the CEMs was evaluated using the requirements in draft Environmental Protection Agency (EPA) Performance Specification 11 (PS11) and Procedure 2. The results of Reference Method 5i stack tests for establishing statistical correlations between the reference method data and the CEMs responses are discussed.

78 FR 59679 - Antimony Trioxide TSCA Chemical Risk Assessment; Notice of Public Meetings and Opportunity To...

Science.gov (United States)

2013-09-27

...EPA's contractor, The Scientific Consulting Group (SCG), Inc., has identified a panel of scientific experts to conduct a peer review of EPA's draft Toxic Substances Control Act (TSCA) chemical risk assessment, ``TSCA Workplan Chemical Risk Assessment for Antimony Trioxide.'' EPA will hold three peer review meetings by web connect and teleconference. EPA invites the public to register to attend the meetings as observers and/or speakers providing oral comments during any or all of the peer review meetings as discussed in this notice. The public may also provide comment on whether they believe the appearance of conflict of interest exists for any proposed peer review panel expert.

TSCA Chemical Data Reporting Fact Sheet: Chemical Substances which are the Subject of Certain TSCA Actions

Science.gov (United States)

This fact sheet provides guidance for people who may be subject to the Chemical Data Reporting (CDR) rule on how their requirements for reporting for 2016 may be affected when chemical substances are the subject of certain TSCA actions.

The Massachusetts Toxics Use Reduction Act: a model for nanomaterials regulation?

Science.gov (United States)

Nash, Jennifer

2012-08-01

Nanomaterials exemplify a new class of emerging technologies that have significant economic and social value, pose uncertain health and environmental risks, and are entering the marketplace at a rapid pace. Effective regimes for regulating emerging technologies generate information about known or suspected hazards and draw on private sector expertise to guide managers' behavior toward risk reduction, even in the absence of clear evidence of harm. This paper considers the extent to which the federal Toxic Substances Control Act (TSCA) accomplishes those objectives. It offers the approach of the Massachusetts Toxics Use Reduction Act (TURA) as a possible supplement to TSCA, filling gaps in agency knowledge and private sector capacities. TURA is notable for its focus on chemicals use and hazard and its emphasis on strengthening firms' internal management systems. Given the current deadlock in Congressional efforts to modernize federal laws such as TSCA, the role of state laws like TURA merit attention. Absent definitive information about risk, a governance strategy that generates information and focuses management attention on reducing hazards is worth considering.

The Massachusetts Toxics Use Reduction Act: a model for nanomaterials regulation?

International Nuclear Information System (INIS)

Nash, Jennifer

2012-01-01

Nanomaterials exemplify a new class of emerging technologies that have significant economic and social value, pose uncertain health and environmental risks, and are entering the marketplace at a rapid pace. Effective regimes for regulating emerging technologies generate information about known or suspected hazards and draw on private sector expertise to guide managers’ behavior toward risk reduction, even in the absence of clear evidence of harm. This paper considers the extent to which the federal Toxic Substances Control Act (TSCA) accomplishes those objectives. It offers the approach of the Massachusetts Toxics Use Reduction Act (TURA) as a possible supplement to TSCA, filling gaps in agency knowledge and private sector capacities. TURA is notable for its focus on chemicals use and hazard and its emphasis on strengthening firms’ internal management systems. Given the current deadlock in Congressional efforts to modernize federal laws such as TSCA, the role of state laws like TURA merit attention. Absent definitive information about risk, a governance strategy that generates information and focuses management attention on reducing hazards is worth considering.

Test Marketing Exemption (TME) for New Chemical Review under TSCA

Science.gov (United States)

Under section 5 of TSCA, EPA established an exemption for certain chemicals that are manufactured (including imported) for test marketing. You can learn more here about the requirements of this exemption, along with the review and submission process.

78 FR 64210 - Extension of Review Periods Under the Toxic Substances Control Act; Certain Chemicals and...

Science.gov (United States)

2013-10-28

... Under the Toxic Substances Control Act; Certain Chemicals and Microorganisms; Premanufacture... 325 and 324110), e.g., chemical manufacturing and petroleum refineries. The North American Industrial... Agency under section 5 of the Toxic Substances Control Act (TSCA), received by EPA on or before October 1...

The TSCA interagency testing committee`s approaches to screening and scoring chemicals and chemical groups: 1977-1983

Energy Technology Data Exchange (ETDEWEB)

Walker, J.D. [Environmental Protection Agency, Washington, DC (United States)

1990-12-31

This paper describes the TSCA interagency testing committee`s (ITC) approaches to screening and scoring chemicals and chemical groups between 1977 and 1983. During this time the ITC conducted five scoring exercises to select chemicals and chemical groups for detailed review and to determine which of these chemicals and chemical groups should be added to the TSCA Section 4(e) Priority Testing List. 29 refs., 1 fig., 2 tabs.

Testing of TSCA incinerator for destruction of PCBs in uranium-contaminated wastes

International Nuclear Information System (INIS)

Anderson, R.W.

1988-01-01

A Toxic Substances Control Act (TSCA) incinerator for environmentally safe destruction of PCBs and hazardous organic materials contaminated with low-level radioactive wastes from seven DOE facilities has been constructed at the Oak Ridge Gaseous Diffusion Plant, and has undergone performance testing with PCB surrogates. The system incorporates state-of-the-art off-gas treatment, a highly instrumented kiln and secondary combustion chamber, and an inert-atmosphere solids-handling feed system. Release of organic during an upset event, which triggers opening of the secondary combustion-chamber relief vent, will be prevented by maintaining excess oxygen in the kiln and a high temperature in the secondary combustion chamber with an operating burner. Mixtures of chlorinated benzenes used in performance testing to simulate destruction of PCB, worst-case studies to satisfy regulatory concerns, and implications of performance test results are discussed. 4 references

3PL, 4PL and insourcing logistics

Directory of Open Access Journals (Sweden)

Mauro Vivaldini

2015-12-01

Full Text Available Logistics services have evolved and changed over time, especially in the hiring of them according to the concepts of 3PL (third party logistics, 4PL (fourth party logistics or insourcing logistics. 3PL service is a consolidated business, 4PL is an option for outsourcing logistics and has already been adopted by some organizations, and insourcing logistics suggests the return of these activities being internalized by companies, which is still a relatively unexplored subject in logistics literature. Analyzing these themes in the literature, this study updates the view on them and proposes a conceptual framework that classifies the different models of logistics services, showing the different options that can be adopted to help the company decide how to run their logistics services.

Privacy Impact Assessment for the Confidential Business Information Records Access System for the Toxic Control Substances Act

Science.gov (United States)

This system collects submission data from the Toxic Substances Control Act (TSCA) and contact information for EPA contractors and employees who are CBI cleared. Learn how this data is collected, how it will be used, and the purpose of data collection.

Structure activity relationships to assess new chemicals under TSCA

Energy Technology Data Exchange (ETDEWEB)

Auletta, A.E. [Environmental Protection Agency, Washington, DC (United States)

1990-12-31

Under Section 5 of the Toxic Substances Control Act (TSCA), manufacturers must notify the US Environmental Protection Agency (EPA) 90 days before manufacturing, processing, or importing a new chemical substance. This is referred to as a premanufacture notice (PMN). The PMN must contain certain information including chemical identity, production volume, proposed uses, estimates of exposure and release, and any health or environmental test data that are available to the submitter. Because there is no explicit statutory authority that requires testing of new chemicals prior to their entry into the market, most PMNs are submitted with little or no data. As a result, EPA has developed special techniques for hazard assessment of PMN chemicals. These include (1) evaluation of available data on the chemical itself, (2) evaluation of data on analogues of the PMN, or evaluation of data on metabolites or analogues of metabolites of the PMN, (3) use of quantitative structure activity relationships (QSARs), and (4) knowledge and judgement of scientific assessors in the interpretation and integration of the information developed in the course of the assessment. This approach to evaluating potential hazards of new chemicals is used to identify those that are most in need of addition review of further testing. It should not be viewed as a replacement for testing. 4 tabs.

78 FR 34377 - Trichloroethylene TSCA Chemical Risk Assessment; Notice of Public Meetings and Opportunity to...

Science.gov (United States)

2013-06-07

... ENVIRONMENTAL PROTECTION AGENCY [EPA-HQ-OPPT-2012-0723; FRL-9389-1] Trichloroethylene TSCA... Trichloroethylene: Degreaser and Arts/Crafts Uses.'' EPA will hold three peer review meetings by web connect and... Risk Assessment for Trichloroethylene: Degreaser and Arts/Crafts Uses.'' Trichloroethylene (TCE) (CASRN...

Pollution prevention opportunity assessment for the K-25 Site Toxic Substances Control Act Incinerator Operations, Level III

International Nuclear Information System (INIS)

1995-09-01

A Level III pollution prevention opportunity assessment (PPOA) was performed for the Oak Ridge K-25 Site Toxic Substances Control Act (TSCA) Incinerator to evaluate pollution prevention (P2) options for various waste streams: The main objective of this study was to identify and evaluate options to reduce the quantities of each waste stream generated by the TSCA Incinerator operations to realize significant environmental and/or economic benefits from P2. For each of the waste streams, P2 options were evaluated following the US Environmental Protection Agency (EPA) hierarchy to (1) reduce the quantity of waste generated, (2) recycle the waste, and/or (3) use alternate waste treatment or segregation methods. This report provides process descriptions, identification and evaluation of P2 options, and final recommendations

P.L. 96-294, "Energy Security Act" (1980)

Energy Technology Data Exchange (ETDEWEB)

None

2011-12-13

Declares it to be the purpose of this title to reduce dependence on foreign energy resources by producing synthetic fuel. Part A: Development of Synthetic Fuel Under the Defense Production Act of 1950 - Defense Production Act Amendments of 1980 - Amends the Defense Production Act of 1950 to include within the policy objectives of such Act Government preparedness to contend with foreign actions which could reduce or terminate the availability of material, including energy, which is crucial to national defense. States that greater independence in domestic energy supplies is necessary to national defense preparedness. Designates "energy" as a "strategic and critical material." States that such designation shall not give the President any authority: (1) for the mandatory allocation or pricing of any fuel or feedstock; or (2) to engage in the production of energy in any manner whatsoever, except for synthetic fuel production.

78 FR 41768 - Chemical Substances and Mixtures Used in Oil and Gas Exploration or Production; TSCA Section 21...

Science.gov (United States)

2013-07-11

... expectation is that the TSCA proposal would focus on providing aggregate pictures of the chemical substances... focused attention on hydraulic fracturing due to specific concerns raised about this practice, and most of...

Environmental Guidance Program Reference Book: Marine Protection, Research, and Sanctuaries Act and Marine Mammal Protection Act. Revision 3

Energy Technology Data Exchange (ETDEWEB)

1988-01-31

Two laws governing activities in the marine environment are considered in this Reference Book. The Marine Protection, Research, and Sanctuaries Act (MPRSA, P.L. 92-532) regulates ocean dumping of waste, provides for a research program on ocean dumping, and provides for the designation and regulation of marine sanctuaries. The Marine Mammal Protection Act (MMPA, P.L. 92-522) establishes a federal program to protect and manage marine mammals. The Fishery Conservation and Management Act (FCMA, P.L. 94-265) establishes a program to regulate marine fisheries resources and commercial marine fishermen. Because the Department of Energy (DOE) is not engaged in any activities that could be classified as fishing under FCMA, this Act and its regulations have no implications for the DOE; therefore, no further consideration of this Act is given within this Reference Book. The requirements of the MPRSA and the MMPA are discussed in terms of their implications for the DOE.

In the arc of history: AIHA and the movement to reform the Toxic Substances Control Act.

Science.gov (United States)

Wilson, Michael P

2012-01-01

Dr. Michael P. Wilson of UC Berkeley delivered his keynote address before the general assembly of the American Industrial Hygiene Conference and Exhibition (AIHce) in Portland, Oregon, in May 2011. Here, Dr. Wilson again discusses the political and economic drivers of occupational disease in the United States and proposes a role for AIHA in helping to highlight and resolve them. He proposes that until these underlying drivers are acknowledged and ameliorated, the toll of occupational disease will persist, despite the hard work of industrial hygienists in the workplace. Among these drivers, Dr. Wilson points to the decline of labor rights and unionization; economic inequality; economic insecurity; political resistance to public health protections for workers, notably the OSHA and NIOSH programs; and weaknesses in the Federal Toxic Substances Control Act of 1976 (TSCA). Of these, Dr. Wilson calls on the AIHA to participate in the historic effort to rewrite TSCA. He points to weaknesses in TSCA that have produced a chemicals market dominated by the function, price, and performance of chemicals, with little attention given to their health and environmental effects. Under these conditions, he argues, hazardous chemicals have remained economically competitive, and innovation in inherently safer chemicals-in green chemistry-has been held back by a lack of market transparency and public accountability in the industry. TSCA reform has the potential to shift the market toward green chemistry, with long-term implications for occupational disease prevention, industrial investment, and renewed energy in the industrial hygiene profession. Dr. Wilson proposes that, like previous legislative changes in the United States, TSCA reform is likely to occur in response to myriad social pressures, which include the emergence of the European Union's REACH regulation; recent chemicals policy actions in 18 U.S. states; growing support from downstream businesses; increasing public awareness

78 FR 44857 - Seventy-Second Report of the TSCA Interagency Testing Committee to the Administrator of the...

Science.gov (United States)

2013-07-24

..., 98 High Production Volume (HPV) Challenge Program orphan chemicals, and 50 diisocyanates and related... HPV Challenge Program orphan chemicals because they no longer meet the = 1 million lb criterion for... process TSCA-covered chemicals and you may be identified by the North American Industrial Classification...

Oracle PL/SQL Programming

CERN Document Server

Feuerstein, Steven

2009-01-01

This book is the definitive reference on PL/SQL, considered throughout the database community to be the best Oracle programming book available. Like its predecessors, this fifth edition of Oracle PL/SQL Programming covers language fundamentals, advanced coding techniques, and best practices for using Oracle's powerful procedural language. Thoroughly updated for Oracle Database 11g Release 2, this edition reveals new PL/SQL features and provides extensive code samples, ranging from simple examples to complex and complete applications, in the book and on the companion website. This indispensab

77 FR 30855 - Sixty-Ninth Report of the TSCA Interagency Testing Committee to the Administrator of the...

Science.gov (United States)

2012-05-23

..., the ITC is removing 103 cadmium compounds and 14 High Production Volume (HPV) Challenge Program orphan... process TSCA-covered chemicals and you may be identified by the North American Industrial Classification... addition, the ITC is removing 103 cadmium compounds and 14 HPV Challenge Program orphan chemicals from the...

77 FR 75349 - Seventy-First Report of the TSCA Interagency Testing Committee to the Administrator of the...

Science.gov (United States)

2012-12-19

... 4(e) Priority Testing List by removing 16 High Production Volume (HPV) Challenge Program orphan... manufacture (defined by statute to include import) and/or process TSCA-covered chemicals and you may be... Program orphan chemicals. B. Status of the Priority Testing List The Priority Testing List includes 16...

Soil burial method for plastic degradation performed by Pseudomonas PL-01, Bacillus PL-01, and indigenous bacteria

Science.gov (United States)

Shovitri, Maya; Nafi'ah, Risyatun; Antika, Titi Rindi; Alami, Nur Hidayatul; Kuswytasari, N. D.; Zulaikha, Enny

2017-06-01

Lately, plastic bag is becoming the most important pollutant for environment since it is difficult to be naturally degraded due to it consists of long hydrocarbon polymer chains. Our previous study indicated that our pure isolate Pseudomonas PL-01 and Bacillus PL-01 could degrade about 10% plastic bag. This present study was aimed to find out whether Pseudomonas PL01 and Bacillus PL01 put a positive effect to indigenous bacteria from marginal area in doing plastic degradation with a soil burial method. Beach sand was used as a representative marginal area, and mangrove sediment was used as a comparison. Plastics were submerged into unsterile beach sand with 10% of Pseudomonas PL-01 or Bacillus PL-01 containing liquid minimal salt medium (MSM) separately, while other plastics were submerged into unsterile mangrove sediments. After 4, 8, 12 and 16 weeks, their biofilm formation on their plastic surfaces and plastic degradation were measured. Results indicated that those 2 isolates put positive influent on biofilm formation and plastic degradation for indigenous beach sand bacteria. Bacillus PL-01 put higher influent than Pseudomonas PL-01. Plastic transparent was preferable degraded than black and white plastic bag `kresek'. But anyhow, indigenous mangrove soil bacteria showed the best performance in biofilm formation and plastic degradation, even without Pseudomonas PL-01 or Bacillus PL-01 addition. Fourier Transform Infrared (FTIR) analysis complemented the results; there were attenuated peaks with decreasing peaks transmittances. This FTIR peaks indicated chemical functional group changes happened among the plastic compounds after 16 weeks incubation time.

Oracle PL/SQL programming

CERN Document Server

Feuerstein, Steven

2014-01-01

Considered the best Oracle PL/SQL programming guide by the Oracle community, this definitive guide is precisely what you need to make the most of Oracle’s powerful procedural language. The sixth edition describes the features and capabilities of PL/SQL up through Oracle Database 12c Release 1. Hundreds of thousands of PL/SQL developers have benefited from this book over the last twenty years; this edition continues that tradition. With extensive code examples and a lively sense of humor, this book explains language fundamentals, explores advanced coding techniques, and offers best practices to help you solve real-world problems. * Get PL/SQL programs up and running quickly, with clear instructions for executing, tracing, testing, debugging, and managing code * Understand new 12.1 features, including the ACCESSIBLE_BY clause, WITH FUNCTION and UDF pragma, BEQUEATH CURRENT_USER for views, and new conditional compilation directives * Take advantage of extensive code samples, from easy-to-follow examples to reu...

77 FR 28281 - Withdrawal of Revocation of TSCA Section 4 Testing Requirements for One High Production Volume...

Science.gov (United States)

2012-05-14

... Withdrawal of Revocation of TSCA Section 4 Testing Requirements for One High Production Volume Chemical...]amino]- (CAS No. 1324-76-1), also known as C.I. Pigment Blue 61. EPA received an adverse comment regarding C.I. Pigment Blue 61. This document withdraws the revocation of testing requirements for C.I...

40 CFR 710.39 - How do I submit the required information?

Science.gov (United States)

2010-07-01

... SUBSTANCES CONTROL ACT TSCA CHEMICAL INVENTORY REGULATIONS 2002 Inventory Update Reporting § 710.39 How do I... at the following address: OPPT Document Control Officer, Mail Code 7407M, ATTN: Inventory Update Rule... Partial Updating of the TSCA Chemical Inventory Data Base,” via the Internet or the TSCA Hotline. (c...

Oracle PL/SQL Language Pocket Reference

CERN Document Server

Feuerstein, Steven; Dawes, Chip

2007-01-01

The fourth edition of this popular pocket guide provides quick-reference information that will help you use Oracle's PL/SQL language, including the newest Oracle Database 11g features. A companion to Steven Feuerstein and Bill Pribyl's bestselling Oracle PL/SQL Programming, this concise guide boils down the most vital PL/SQL information into an accessible summary

P.L. 102-486, "Energy Policy Act" (1992)

Energy Technology Data Exchange (ETDEWEB)

None

2011-12-13

Amends the Energy Conservation and Production Act to set a deadline by which each State must certify to the Secretary of Energy whether its energy efficiency standards with respect to residential and commercial building codes meet or exceed those of the Council of American Building Officials (CABO) Model Energy Code, 1992, and of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers, respectively.

The Servicemembers Civil Relief Act (P.L. 108-189)

National Research Council Canada - National Science Library

Velez Pollack, Estela I

2004-01-01

Recognizing the special burdens that members of the military may encounter in trying to meet their financial obligations while serving their country, Congress passed the Soldiers' and Sailors' Civil Relief Act of 1940 (SSCRA...

Oracle PL/SQL Language Pocket Reference

CERN Document Server

Feuerstein, Steven; Dawes, Chip

2004-01-01

While it's good to have a book with all the answers--like your trusty copy of Oracle PL/SQL Programming-- how often do you need all the answers? More likely, you just need a reminder, a quick answer to a problem you're up against. For these times, nothing's handier than the new edition of the Oracle PL/SQL Language Pocket Reference by PL/SQL experts Stephen Feuerstein, Bill Pribyl, and Chip Dawes. Newly updated for Oracle10g, this little book is always at the ready for the quick problem solving you need. The 3rd edition of this popular mini-reference boils down the most vital information fr

Use of QSAR validation principles to enhance predictive approaches in the US EPA ECOSAR model

Science.gov (United States)

The US EPA Office of Pollution Prevention and Toxics (OPPT) is responsible for implementing the Toxic Substances Control Act (TSCA). TSCA is the US law that regulates industrial chemicals in the US and OPPT evaluates both new chemicals entering commerce, as well as those chemica...

Paenibacillus larvae chitin-degrading protein PlCBP49 is a key virulence factor in American Foulbrood of honey bees.

Directory of Open Access Journals (Sweden)

Eva Garcia-Gonzalez

2014-07-01

Full Text Available Paenibacillus larvae, the etiological agent of the globally occurring epizootic American Foulbrood (AFB of honey bees, causes intestinal infections in honey bee larvae which develop into systemic infections inevitably leading to larval death. Massive brood mortality might eventually lead to collapse of the entire colony. Molecular mechanisms of host-microbe interactions in this system and of differences in virulence between P. larvae genotypes are poorly understood. Recently, it was demonstrated that the degradation of the peritrophic matrix lining the midgut epithelium is a key step in pathogenesis of P. larvae infections. Here, we present the isolation and identification of PlCBP49, a modular, chitin-degrading protein of P. larvae and demonstrate that this enzyme is crucial for the degradation of the larval peritrophic matrix during infection. PlCBP49 contains a module belonging to the auxiliary activity 10 (AA10, formerly CBM33 family of lytic polysaccharide monooxygenases (LPMOs which are able to degrade recalcitrant polysaccharides. Using chitin-affinity purified PlCBP49, we provide evidence that PlCBP49 degrades chitin via a metal ion-dependent, oxidative mechanism, as already described for members of the AA10 family. Using P. larvae mutants lacking PlCBP49 expression, we analyzed in vivo biological functions of PlCBP49. In the absence of PlCBP49 expression, peritrophic matrix degradation was markedly reduced and P. larvae virulence was nearly abolished. This indicated that PlCBP49 is a key virulence factor for the species P. larvae. The identification of the functional role of PlCBP49 in AFB pathogenesis broadens our understanding of this important family of chitin-binding and -degrading proteins, especially in those bacteria that can also act as entomopathogens.

Aclimatização e crescimento de plântulas de mirtileiro 'climax' micropropagadas em função do substrato e da cobertura plástica

Directory of Open Access Journals (Sweden)

Tânia Regina Pelizza

2011-09-01

Full Text Available Este trabalho foi realizado com o objetivo de avaliar a aclimatização e o crescimento de plântulas micropropagadas de mirtileiro (Vaccinium ashei cv. Climax, em função do substrato e da cobertura plástica, durante os meses de abril a dezembro de 2008. Foram utilizados três substratos (casca de arroz carbonizada + Húmus Fértil®, Plantmax® + vermiculita e solo + serragem jovem de Pínus e dois sistemas de cobertura (com e sem cobertura plástica sobre as plântulas. As plântulas, acondicionadas em sacos plásticos com os respectivos substratos e sistemas de cobertura, permaneceram em casa de vegetação com temperatura controlada, por 30 dias. Após, permaneceram por 60 dias sem controle ambiental e, em seguida, foram transferidas para telado. A partir de 30 dias, foram avaliados a percentagem de sobrevivência e o incremento de altura das plântulas. Ao término do experimento, foi avaliada a massa fresca e seca da parte aérea e da raiz das plântulas. A percentagem de sobrevivência das plântulas de mirtileiro em substrato Plantmax® + vermiculita é igual quando utilizada ou não a cobertura plástica. O uso da cobertura plástica não foi eficiente para incrementar a altura média das plântulas nos substratos Plantmax® + vermiculita e solo + serragem jovem. A maior massa seca de parte aérea foi obtida com o uso de Plantmax® + vermiculita sem cobertura plástica sobre as plântulas. Plantmax® + vermiculita com e sem cobertura plástica proporcionam maior massa seca radicular que os demais substratos e respectivos sistemas de cobertura, porém Plantmax® + vermiculita sem cobertura plástica é superior a Plantmax® + vermiculita com cobertura plástica. De acordo com os resultados obtidos, conclui-se que o melhor substrato e sistema de cobertura para a aclimatização e o crescimento de plântulas de mirtileiro 'Climax' são Plantmax® + vermiculita sem cobertura plástica.

Region 5 Toxic Substances Control Act Producers

Science.gov (United States)

This dataset represents the query results from the Envirofacts database for facilities known as Chemical Manufacturers, Processors and Formulators (MPFs) with TSCA identification numbers located in Region 5.

40 CFR 710.59 - Availability of reporting form and instructions.

Science.gov (United States)

2010-07-01

... SUBSTANCES CONTROL ACT TSCA CHEMICAL INVENTORY REGULATIONS Inventory Update Reporting for 2006 and Beyond... for the 2006 Partial Updating of the TSCA Chemical Inventory Database,” are available as described in... website. Go to the EPA Inventory Update Reporting Internet home page at http://www.epa.gov/oppt/iur and...

Espacio plástico y significación

OpenAIRE

González Ochoa, César

2010-01-01

El concepto central de este trabajo es el espacio plástico. La noción familiar es la de artes plásticas, entendidas como aquellas que representan conceptos, emociones o situaciones por medio de formas y volúmenes; es decir, a través de elementos que se perciben por los sentidos. Cada época produce sus propios modos de representar el espacio, que no es una simple reproducción sino una producción; el espacio producido de esta manera es el espacio plástico, resultado de las conductas humanas de ...

Development and dissection of diagnostic SNP markers for the downy mildew resistance genes Pl Arg and Pl 8 and maker-assisted gene pyramiding in sunflower (Helianthus annuus L.).

Science.gov (United States)

Qi, L L; Talukder, Z I; Hulke, B S; Foley, M E

2017-06-01

Diagnostic DNA markers are an invaluable resource in breeding programs for successful introgression and pyramiding of disease resistance genes. Resistance to downy mildew (DM) disease in sunflower is mediated by Pl genes which are known to be effective against the causal fungus, Plasmopara halstedii. Two DM resistance genes, Pl Arg and Pl 8 , are highly effective against P. halstedii races in the USA, and have been previously mapped to the sunflower linkage groups (LGs) 1 and 13, respectively, using simple sequence repeat (SSR) markers. In this study, we developed high-density single nucleotide polymorphism (SNP) maps encompassing the Pl arg and Pl 8 genes and identified diagnostic SNP markers closely linked to these genes. The specificity of the diagnostic markers was validated in a highly diverse panel of 548 sunflower lines. Dissection of a large marker cluster co-segregated with Pl Arg revealed that the closest SNP markers NSA_007595 and NSA_001835 delimited Pl Arg to an interval of 2.83 Mb on the LG1 physical map. The SNP markers SFW01497 and SFW06597 delimited Pl 8 to an interval of 2.85 Mb on the LG13 physical map. We also developed sunflower lines with homozygous, three gene pyramids carrying Pl Arg , Pl 8 , and the sunflower rust resistance gene R 12 using the linked SNP markers from a segregating F 2 population of RHA 340 (carrying Pl 8 )/RHA 464 (carrying Pl Arg and R 12 ). The high-throughput diagnostic SNP markers developed in this study will facilitate marker-assisted selection breeding, and the pyramided sunflower lines will provide durable resistance to downy mildew and rust diseases.

Inhibition of Stromal PlGF Suppresses the Growth of Prostate Cancer Xenografts

Directory of Open Access Journals (Sweden)

Dietmar Abraham

2013-09-01

Full Text Available The growth and vascularization of prostate cancer is dependent on interactions between cancer cells and supporting stromal cells. The primary stromal cell type found in prostate tumors is the carcinoma-associated fibroblast, which produces placental growth factor (PlGF. PlGF is a member of the vascular endothelial growth factor (VEGF family of angiogenic molecules and PlGF mRNA levels increase after androgen deprivation therapy in prostate cancer. In this study, we show that PlGF has a direct dose-dependent proliferative effect on human PC-3 prostate cancer cells in vitro and fibroblast-derived PlGF increases PC-3 proliferation in co-culture. In xenograft tumor models, intratumoral administration of murine PlGF siRNA reduced stromal-derived PlGF expression, reduced tumor burden and decreased the number of Ki-67 positive proliferating cells associated with reduced vascular density. These data show that targeting stromal PlGF expression may represent a therapeutic target for the treatment of prostate cancer.

EDITORIAL: Plágio e ineditismo dos artigos

Directory of Open Access Journals (Sweden)

Fernando Castro Amoras

2016-06-01

Full Text Available EDITORIAL: Plágio e ineditismo dos artigos A partir deste ano de 2016, a revista Estação Científica (UNIFAP passou a adotar, como instrumento auxiliar da seleção dos artigos que serão publicados, a checagem de plágio nos conteúdos dos trabalhos que recebemos. Consta no site da revista a informação de que todos os trabalhos passarão por verificação de plágio, e desta forma alerta-se que sejam apresentados à Estação Científica (UNIFAP apenas os trabalhos que tenham autenticidade de autoria.

PlGF gene knockdown in human retinal pigment epithelial cells.

Science.gov (United States)

Akrami, Hassan; Soheili, Zahra-Soheila; Sadeghizadeh, Majid; Ahmadieh, Hamid; Rezaeikanavi, Mozhgan; Samiei, Shahram; Khalooghi, Keynoush

2011-04-01

To evaluate the knockdown of placental growth factor (PlGF) gene expression in human retinal pigment epithelium (RPE) cells and its effect on cell proliferation, apoptosis and angiogenic potential of RPE cells. Human RPE cells were isolated by dispase I solution and cultured in DMEM/F12 supplemented with 10% fetal calf serum (FCS). A small interfering RNA (siRNA) corresponding to PlGF mRNA and a scrambled siRNA (scRNA) were introduced into the cells. Cell proliferation and cell death were examined by ELISA. PlGF mRNA and protein were quantified by real-time polymerase chain reaction (PCR) and western blot. The levels of gene expression for human retinal pigment epithelium-specific protein 65 kDa (RPE65), cellular retinaldehyde-binding protein (CRALBP) and tyrosinase were examined by real-time PCR. The angiogenic activity of RPE cell-derived conditioned media was assayed by a tube formation assay using human umbilical vein endothelial cells (HUVECs). At a final siRNA concentration of 20 pmol/ml, the transfection efficiency was about 80%. The amount of PlGF transcripts was reduced to 10% after 36 h of incubation, and the amount of PlGF protein in culture supernatant was significantly decreased. Suppression of PlGF gene had no effect on RPE cell proliferation and survival, and there were no notable changes in the transcript levels of RPE65, CRALBP or tyrosinase for the cultures treated by siRNA cognate to PlGF. Vascular tube formation was efficiently reduced in HUVECs. Our findings present PlGF as a key modulator of angiogenic potential in RPE cells of the human retina.

Opportunities for artificial intelligence application in computer- aided management of mixed waste incinerator facilities

International Nuclear Information System (INIS)

Rivera, A.L.; Ferrada, J.J.; Singh, S.P.N.

1992-01-01

The Department of Energy/Oak Ridge Field Office (DOE/OR) operates a mixed waste incinerator facility at the Oak Ridge K-25 Site. It is designed for the thermal treatment of incinerable liquid, sludge, and solid waste regulated under the Toxic Substances Control Act (TSCA) and the Resource Conservation and Recovery Act (RCRA). This facility, known as the TSCA Incinerator, services seven DOE/OR installations. This incinerator was recently authorized for production operation in the United States for the processing of mixed (radioactively contaminated-chemically hazardous) wastes as regulated under TSCA and RCRA. Operation of the TSCA Incinerator is highly constrained as a result of the regulatory, institutional, technical, and resource availability requirements. These requirements impact the characteristics and disposition of incinerator residues, limits the quality of liquid and gaseous effluents, limit the characteristics and rates of waste feeds and operating conditions, and restrict the handling of the waste feed inventories. This incinerator facility presents an opportunity for applying computer technology as a technical resource for mixed waste incinerator operation to facilitate promoting and sustaining a continuous performance improvement process while demonstrating compliance. Demonstrated computer-aided management systems could be transferred to future mixed waste incinerator facilities

Insights into the structural characteristics and substrate binding analysis of chondroitin AC lyase (PsPL8A) from Pedobacter saltans.

Science.gov (United States)

Rani, Aruna; Dhillon, Arun; Sharma, Kedar; Goyal, Arun

2018-04-01

The structure of chondroitin AC lyase (PsPL8A) of family 8 polysaccharide lyase was characterized. Modeled PsPL8A structure showed, it contains N-terminal (α/α) 6 incomplete toroidal fold and a layered β sandwich structure at C-terminal. Ramchandran plot displayed 98.5% residues in favoured and 1.2% in generously allowed region. Secondary structure of PsPL8A by CD revealed 27.31% α helices 22.7% β sheets and 49.9% random coils. Protein melting study showed, PsPL8A completely unfolds at 60°C. SAXS analysis showed, PsPL8A is fully folded in solution form. The ab initio derived dummy model of PsPL8A superposed well with its modeled structure excluding some α-helices and loop region. Structural superposition and docking analysis showed, N153, W105, H203, Y208, Y212, R266 and E349 were involved in catalysis. Mutants N153A, H203A, Y212F, R266A and E349A created by SDM revealed no residual activity. Isothermal titration calorimetry analysis of Y212F and H203A with C4S polysaccharide, showed moderate binding by Y212F (Ka=9.56±3.81×10 5 ) and no binding with H203A, showing active contribution of Y212 in substrate binding. Residues Y212 and H203 or R266 might act as general base and general acid respectively. Residues N153 and E349 are likely contributing in charge neutralization and stabilizing enolate anion intermediate during β-elimination. Copyright © 2017 Elsevier B.V. All rights reserved.

Design And Ground Testing For The Expert PL4/PL5 'Natural And Roughness Induced Transition'

Science.gov (United States)

Masutti, Davie; Chazot, Olivier; Donelli, Raffaele; de Rosa, Donato

2011-05-01

Unpredicted boundary layer transition can impact dramatically the stability of the vehicle, its aerodynamic coefficients and reduce the efficiency of the thermal protection system. In this frame, ESA started the EXPERT (European eXPErimental Reentry Testbed) program to pro- vide and perform in-flight experiments in order to obtain aerothermodynamic data for the validation of numerical models and of ground-to-flight extrapolation methodologies. Considering the boundary layer transition investigation, the EXPERT vehicle is equipped with two specific payloads, PL4 and PL5, concerning respectively the study of the natural and roughness induced transition. The paper is a survey on the design process of these two in-flight experiments and it covers the major analyses and findings encountered during the development of the payloads. A large amount of transition criteria have been investigated and used to estimate either the dangerousness of the height of the distributed roughness, arising due to nose erosion, or the effectiveness of height of the isolated roughness element forcing the boundary layer transition. Supporting the PL4 design, linear stability computations and CFD analyses have been performed by CIRA on the EXPERT flight vehicle to determine the amplification factor of the boundary layer instabilities at different point of the re-entry trajectory. Ground test experiments regarding the PL5 are carried on in the Mach 6 VKI H3 Hypersonic Wind Tunnel with a Reynolds numbers ranging from 18E6/m to 26E6/m. Infrared measurements (Stanton number) and flow visualization are used on a 1/16 scaled model of the EXPERT vehicle and a flat plate to validate the Potter and Whitfield criterion as a suitable methodology for ground-to-flight extrapolation and the payload design.

Rationale for utilizing 3PL in supply chain management: A shippers' economic perspective

Directory of Open Access Journals (Sweden)

Koichiro Tezuka

2011-07-01

Full Text Available In this paper we first propose a conceptual framework for evaluating 3PL (third-party logistics utilization in SCM (supply chain management, in which it is assumed that shippers may enjoy advantages derived from four contributory sources of 3PL specialization: scale, know-how, searching ability, and IT skills. It is also supposed that shippers may particularly benefit from 3PL when facing uncertain business environments. We also apply principal–agent relationships to shippers and 3PL providers. Further, we see enhancing “agency efficiency” as important to obtaining the benefits of 3PL utilization. We also look at the role of 3PL provider selection, the “hold-up” problem under incomplete contracts, and asset ownership. After that we briefly discuss the utilization of 3PL and environmental concerns. These are the main points that we consider related to 3PL utilization. The main contribution of this study is to identify discussion points from models and theories, such as contract theory, that relate to the utilization of 3PL in SCM.

Marketingový plán pro BT SERVIS

OpenAIRE

Bilíková, Eva

2015-01-01

Předmětem diplomové práce je sestavení marketingového plánu pro společnost BT servis, která plánuje otevřít novou pobočku v Jihomoravském kraji. V první části jsou představena teoretická východiska, která se vztahují ke zkoumané problematice. Následuje analýza současného stavu podniku a jeho okolí. Získané informace jsou vyhodnoceny a poté je sestaven marketingový plán na období jednoho roku. The scope of this diploma thesis is the creation of a marketing strategy for the BT servis company...

External quality control of Pléiades orthoimagery – Part II: Geometric testing and validation of a Pléiades-1B orthoproduct covering Maussane test site

OpenAIRE

GRAZZINI Jacopo; AASTRAND Paer

2013-01-01

The goal of the current report is to provide with a final statement on the geometric capabilities of Pléiades sensors through the Quality Control (QC) of Pléiades-1B orthocorrected imagery following the recent validation of Pléiades-1A. Namely, the validation process aims at measuring the influence of different factors on the geometric accuracy of Pléiades-1B orthoimagery. For that purpose, a light benchmarking is implemented as: • a single far-from-nadir image datasetis evaluated using 2 ...

Role of plastidic pyruvate dehydrogenase complex (pl. PDC) in chloroplast metabolism of spinach

International Nuclear Information System (INIS)

Schulze-Siebert, D.; Homeyer, U.; Schultz, G.

1986-01-01

Labeling experiments of chloroplasts in the light ( 14 CO 2 , 2- 14 C-pyruvate etc.) revealed that pl. PDC is predominantly involved in the synthesis of branched chain amino acids and pl. isoprenoids (carotenes, PQ, α-T). In this context, pl. phosphoglycerate mutase as missing link in the C 3 → C 2 metabolism of chloroplasts was identified by latency experiments. This indicates a direct pathway from Calvin cycle to pl. PDC. Using protoplasts, maximal rates in pl. PDC metabolism were obtained. On the other hand, mitochondrial PDC in protoplasts is mainly involved in fatty acid synthesis by known mechanism. Additionally, cytosolic-ER-isoprenoids were formed (e.g. sterols). When 14 CO 2 was simultaneously applied with unlabeled acetate to protoplasts in the light an isotopic dilution of fatty acids were found but not of pl. isoprenoids. This may indicate an partially channeling of pl. PDC and mevalonate pathway for pl. isoprenoid synthesis. Inhibitory studies with DCMU point in the same direction

P.L. 94-163, "Energy Policy and Conservation Act" (EPCA) (1975)

Energy Technology Data Exchange (ETDEWEB)

None

2011-12-13

Energy Policy and Conservation Act. Bill Summary & Status 94th Congress. Issue orders prohibiting power plants and major fuel burning installations from using natural gas or petroleum products as fuel if they had been capable on June 22, 1974, of burning coal.

Molecular characterization of the pL40 protein in Leptospira interrogans.

Science.gov (United States)

Zhao, Wei; Chen, Chun-Yan; Zhang, Xiang-Yan; Lai, Wei-Qiang; Hu, Bao-Yu; Zhao, Guo-Ping; Qin, Jin-Hong; Guo, Xiao-Kui

2009-06-01

Leptospirosis is a widespread zoonotic disease caused by pathogenic leptospires. The identification of outer membrane proteins (OMPs) conserved among pathogenic leptospires, which are exposed on the leptospiral surface and expressed during mammalian infection, has become a major focus of leptospirosis research. pL40, a 40 kDa protein coded by the LA3744 gene in Leptospira interrogans, was found to be unique to Leptospira. Triton X-114 fractionation and flow cytometry analyses indicate that pL40 is a component of the leptospiral outer membrane. The conservation of pL40 among Leptospira strains prevalent in China was confirmed by both Western blotting and PCR screening. Furthermore, the pL40 antigen could be recognized by sera from guinea pigs and mice infected with low-passage L. interrogans. These findings indicate that pL40 may serve as a useful serodiagnostic antigen and vaccine candidate for L. interrogans.

Podnikatelský plán

OpenAIRE

Seidlová, Anežka

2014-01-01

Cílem této bakalářské práce je vytvořit podnikatelský plán na zřízení a provoz dámského fitness centra ve Vsetíně. Práce se zaměřuje na problematiku spojenou s nedostatečným množstvím nabízených služeb pro ženy v daném místě. Při zpracování této práce budou využity SWOT a SLEP analýzy. V závěru práce posoudím, zda je tento podnikatelský plán realizovatelný. The aim of this thesis is to create a business plan for the establishment and operation of women's fitness center in Vsetin. The work ...

Progress report and technology status development of an EG and G Berthold LB-150 alpha/beta particulate monitor for use on the East Tennessee Technology Park Toxic Substances Control Act Incinerator

Energy Technology Data Exchange (ETDEWEB)

Shor, J.T.; Singh, S.P.N. [Oak Ridge National Lab., TN (United States). Chemical Technology Div.; Gibson, L.V. Jr. [East Tennessee Technology Park, Oak Ridge, TN (United States). ASO Customer Services Div.

1998-06-01

The purpose of this project was to modify and evaluate a commercially available EG and G Berthold LB-150 alpha-beta radionuclide particulate monitor for the high-temperature and moisture-saturation conditions of the East Tennessee Technology Park (formerly K-25 Site) Toxic Substances Control Act (TSCA) Incinerator stack. The monitor was originally outfitted for operation at gas temperatures of 150 F on the defunct Los Alamos National Laboratory (LANL) controlled air incinerator, and the objective was to widen its operating envelope. A laboratory apparatus was constructed that simulated the effects of water-saturated air at the TSCA Incinerator stack-gas temperatures, 183 F. An instrumented set of heat exchangers was constructed to then condition the gas so that the radionuclide monitor could be operated without condensation. Data were collected under the conditions of the elevated temperatures and humidities and are reported herein, and design considerations of the apparatus are provided. The heat exchangers and humidification equipment performed as designed, the Mylar film held, and the instrument suffered no ill effects. However, for reasons as yet undetermined, the sensitivity of the radionuclide detection diminishes as the gas temperature is elevated, whether the gas is humidified or not. The manufacturer has had no experience with (a) the operation of the monitor under these conditions and (b) any commercial market that might exist for an instrument that operates under these conditions. The monitor was not installed into the radiologically contaminated environment of the TSCA Incinerator stack pending resolution of this technical issue.

Progress report and technology status development of an EG and G Berthold LB-150 alpha/beta particulate monitor for use on the East Tennessee Technology Park Toxic Substances Control Act Incinerator

International Nuclear Information System (INIS)

Shor, J.T.; Singh, S.P.N.; Gibson, L.V. Jr.

1998-06-01

The purpose of this project was to modify and evaluate a commercially available EG and G Berthold LB-150 alpha-beta radionuclide particulate monitor for the high-temperature and moisture-saturation conditions of the East Tennessee Technology Park (formerly K-25 Site) Toxic Substances Control Act (TSCA) Incinerator stack. The monitor was originally outfitted for operation at gas temperatures of 150 F on the defunct Los Alamos National Laboratory (LANL) controlled air incinerator, and the objective was to widen its operating envelope. A laboratory apparatus was constructed that simulated the effects of water-saturated air at the TSCA Incinerator stack-gas temperatures, 183 F. An instrumented set of heat exchangers was constructed to then condition the gas so that the radionuclide monitor could be operated without condensation. Data were collected under the conditions of the elevated temperatures and humidities and are reported herein, and design considerations of the apparatus are provided. The heat exchangers and humidification equipment performed as designed, the Mylar film held, and the instrument suffered no ill effects. However, for reasons as yet undetermined, the sensitivity of the radionuclide detection diminishes as the gas temperature is elevated, whether the gas is humidified or not. The manufacturer has had no experience with (a) the operation of the monitor under these conditions and (b) any commercial market that might exist for an instrument that operates under these conditions. The monitor was not installed into the radiologically contaminated environment of the TSCA Incinerator stack pending resolution of this technical issue

The America COMPETES Act and the FY2009 Budget

National Research Council Canada - National Science Library

Stine, Deborah D

2008-01-01

The America COMPETES Act (P.L. 110-69) responds to concerns that the United States may not be able to compete economically with other nations in the future due to insufficient investment today in science and technology research...

Placental growth factor (PlGF) is a surrogate marker in preeclamptic hypertension.

Science.gov (United States)

Teixeira, Patrícia Gonçalves; Cabral, Antônio Carlos Vieira; Andrade, Silvia Passos; Reis, Zilma Silveira Nogueira; da Cruz, Lívia Pieroni Barroso; Pereira, Jacqueline Braga; Martins, Breno Oliveira de Barcelos; Rezende, Cezar Alencar de Lima

2008-01-01

To evaluate plasma levels of angiogenic factors and their association with preeclampsia. Twenty-three women with preeclampsia and nine normotensive pregnant women from the Maternity of Hospital das Clínicas of Belo Horizonte/MG-Brazil were assessed by National High Blood Pressure Education Program Working Group Creteria (NHBPEPWG). The plasma levels of vascular endothelial growth factor (VEGF) and Placental growth factor (PlGF) were determined by ELISA assay. Plasma concentration of PlGF was 12-fold lower in preeclampsia versus non preeclampsia pregnancies. An inverse correlation was observed between PlGF plasma levels and mean arterial pressure (MAP); a decrease in 1pg/mL of PlGF resulted in 6.18 mm Hg increase in MAP. These results indicate that PlGF is related to MAP in pregnant women.

Historia natural de los plátanos y las bananas

OpenAIRE

López Sáez, José Antonio; Pérez Soto, Josué

2011-01-01

Los plátanos y las bananas que se cultivan en muchos países de clima tropical proceden de dos especies silvestres del género Musa que habitan en el Sureste Asiático: el plátano malayo y el plátano macho. A partir de ellas se han obtenido más de un millar de híbridos, razas o cultivares de agradable sabor y alto valor nutritivo. Otras plataneras se han utilizado como plantas ornamentales, proporcionan fibra o tintes naturales, materiales de construcción e incluso remedios en medicina tradicion...

Operational readiness review for the TSCA incinerator start-up at the Oak Ridge K-25 site

International Nuclear Information System (INIS)

Jordan, Elizabeth A.; Murray, Alexander P.; Kiang, Peter M.

1992-01-01

The Department of Energy (DOE) Toxic Substances Control Act (TSCA) incinerator at Oak Ridge K-25 Site was designed in the early 1980's as a treatment alternative for the increasing quantities of radioactive mixed waste accumulating from gaseous diffusion plant (GDP) operations. The waste feed principally contains low assay uranium and PCBs, although listed solvents and heavy metal containing sludges have also be incinerated. Construction was completed in 1986 and the unit underwent an extensive series of tests and trial burns, because of the following unique characteristics: the incinerator treats radioactive mixed wastes; increased size of the incinerator for greater waste throughout and treatment capacity; expansion of the waste acceptance criteria to include materials and radionuclides from non-GDP operations, such as ORNL and Y-12; modifications and improvement to the Air Pollution Control (APC) system; treatment of large quantities and concentrations of PCB containing materials; projected longevity of operation (40 years); humid, Eastern location with a high, annual precipitation. The incinerator was initially fired in July, 1986. The full performance testing (with the APC) and DOE acceptance of the facility occurred a year later. The trial burn period lasted from 1988 through 1990. Numerous equipment problems were initially encountered, including excessive draft fan wear and failure. These problems have been overcome, the facility is fully permitted, DOE provided authorization for full operations in 1991, and, to date, over two million pounds of mixed waste have been incinerated, with an average volume reduction factor of approximately nine. This paper discusses the Office of Environmental Restoration and Waste Management Readiness Review for the incinerator. (author)

Rationale for utilizing 3PL in supply chain management: A shippers' economic perspective

OpenAIRE

Koichiro Tezuka

2011-01-01

In this paper we first propose a conceptual framework for evaluating 3PL (third-party logistics) utilization in SCM (supply chain management), in which it is assumed that shippers may enjoy advantages derived from four contributory sources of 3PL specialization: scale, know-how, searching ability, and IT skills. It is also supposed that shippers may particularly benefit from 3PL when facing uncertain business environments. We also apply principal–agent relationships to shippers and 3PL provid...

Development of Agricultural Product Logistics from the Perspective of the 4PL

OpenAIRE

ZHONG, Wuya; YAN, Wei

2013-01-01

From the perspective of the Fourth Party Logistics (4PL), this paper elaborates the concept, background and development plight of agricultural products logistics, advises developing 4PL under the background of rapid development of agricultural products and logistics, etc. and explores issues of information, efficiency and supervision of agricultural products logistics, draws the conclusion that only construct an 4PL agricultural products logistics system can alleviate the aporia of cost, and ...

Energy Independence and Security Act of 2007: A Summary of Major Provisions

National Research Council Canada - National Science Library

Sissine, Fred

2007-01-01

The Energy Independence and Security Act (P.L. 110-140, H.R. 6) is an omnibus energy policy law that consists mainly of provisions designed to increase energy efficiency and the availability of renewable energy...

P.L. 110-140, "Energy Independence and Security Act of 2007", 2007

Energy Technology Data Exchange (ETDEWEB)

None

2007-12-19

The Energy Independence and Security Act of 2007 (EISA), signed into law on December 19, 2007, set forth an agenda for improving U.S. energy security across the entire economy. While industrial energy efficiency is specifically called out in Title IV, Subtitle D, other EISA provisions also apply to AMO activities.

Considerações Sobre a Reciclagem de Embalagens Plásticas

Directory of Open Access Journals (Sweden)

Forlin Flávio J.

2002-01-01

Full Text Available Este artigo aborda considerações atualizadas sobre a reciclagem de embalagens plásticas com foco no setor de alimentos. No contexto mundial é avaliado o crescente volume de utilização de embalagens plásticas na preservação de alimentos e levantados os componentes sanitários, mercadológicos, sócio-econômicos e ambientais associados. São avaliadas como potenciais vias de reciclagem a transformação mecânica de embalagens plásticas em novos materiais ou produtos, a recuperação de resinas, a transformação térmica, a reutilização de embalagens e a degradação ambiental. O contexto brasileiro mostra potenciais características de viabilidade sócio-econômica e empresarial para a reciclagem de embalagens plásticas, exigindo, todavia, maior conjunção de ações governamentais, empresariais e de pesquisa no setor.

P.L. 110-140, "Energy Independence and Security Act of 2007" (2007)

Energy Technology Data Exchange (ETDEWEB)

None

2007-12-13

An act to move the United States toward greater energy independence and security, to increase the production of clean renewable fuels, to protect consumers, to increase the efficiency of products, buildings, and vehicles, to promote research on and deploy greenhouse gas capture and storage options, and to improve the energy performance of the Federal Government, and for other purposes.

[Use of sFlt-1/PlGF ratio in preeclampsia : a monocentric retrospective analysis].

Science.gov (United States)

Verbeurgt, L; Chantraine, F; De Marchin, J; Minon, J-M; Nisolle, M

2017-09-01

Soluble Fms-like tyrosine kinase 1 (sFlt-1) is an anti-angiogenic factor released in higher amounts in preeclampsia and implicated in endothelial dysfunction. sFlt-1/PlGF ratio is used in the prediction of preeclampsia. An sFlt-1/PlGF ratio inferior to 38 predicts the short-term absence of preeclampsia. A ratio ? 85 (early-onset PE) or ? 110 (late-onset of PE) could diagnose preeclampsia. In this study, sFlt-1/PlGF ratio has been measured in 183 patients. Sixty-seven preeclampsia have been diagnosed preeclamptic at delivery. The median sFlt-1/PlGF ratio was 100.3. The median ratio among women with preeclampsia (N=67) versus no preeclampsia (N=116) was 212.7 versus 35.4. In accordance with this analysis, an sFlt-1/PlGF ratio ? 38 has a sensibility of 95,5 % and a specificity of 73.3 %. The positive predictive value and the negative predictive value were 67.4 % and 96.6 %, respectively. These results suggest that sFlt-1/PlGF ratio is helpful in the diagnosis of preeclampsia.

Three-photon excited PL spectroscopy and photo-generated Frenkel defects in wide-bandgap layered CdI2 semiconductors

International Nuclear Information System (INIS)

Miah, M. Idrish

2009-01-01

We performed a three-photon excitation nonlinear photoluminescence (PL) spectroscopy in single crystals of wide-bandgap semiconductors (WBSs). The crystal temperature (T L )-dependent PL emission intensity (I PL ) excited with different excitation power density (P) was measured. The PL emissions showed characteristics I PL with their maxima at around 520 nm. The I PL might be due to the presence of the photo-generated Frenkel defects (FDs) in WBSs. A detailed analysis of the PL spectra showed a third-order power law dependence of the maximum I PL on P for all the crystal temperature T L . The I PL was found to increase with decreasing T L . The results demonstrated the existence of the self-trapped excitons resulting from the presence of the FDs in the crystals.

Integration of differential equations by the pseudo-linear (PL) approximation

International Nuclear Information System (INIS)

Bonalumi, Riccardo A.

1998-01-01

A new method of integrating differential equations was originated with the technique of approximately calculating the integrals called the pseudo-linear (PL) procedure: this method is A-stable. This article contains the following examples: 1st order ordinary differential equations (ODEs), 2nd order linear ODEs, stiff system of ODEs (neutron kinetics), one-dimensional parabolic (diffusion) partial differential equations. In this latter case, this PL method coincides with the Crank-Nicholson method

Cálculo de engranajes plásticos

Directory of Open Access Journals (Sweden)

J. L. Moya Rodríguez

2007-09-01

Full Text Available En los últimos tiempos los materiales plásticos han tenido una proliferación en todos los campos de la Industria Mecánica, debido esencialmente a su bajo costo y a las mejoras de las propiedades mecánicas que se han ido logrando. En el caso particular de las transmisiones por engranajes existe una gran cantidad de estos materiales que pueden ser usados y de hecho se utilizan para la fabricación de ruedas dentadas de características muy disímiles. En la literatura científica existe muy poca información disponible sobre las fallas de engranajes plásticos, métodos de cálculo a resistencia y posibles materiales a emplear con sus respectivas propiedades mecánicas. Inclusive este tema no se aborda en los currículos de estudio tradicionales en Ibero-América. Queda mucho por discutir aun acerca del empleo de las correcciones del dentado en estas ruedas dentadas plásticas. En el presente trabajo se hace un análisis de los materiales, características, estudio de las fallas principales, métodos de cálculo y ejemplos de aplicación de los engranajes plásticos.Recently the use of plastic materials has been growing up due to their low cost and the improvements achieved on their mechanical properties. In the particular case of gear transmissions there are great quantities of polymers that can be used for gears. Plastic gears are powerful means of cutting drive cost, weight, noise, and wear. Plastic gears also open new opportunities for smaller and more efficient transmissions. Scientific literature about plastic gears failures, designing methods and materials is insufficient. Most engineering reference books are desicated to steel gears but there are remarkably silent about plastic gears. Design methods for plastic gears and gear trains must be modernized, because much of the information available is derived from research in metal gears. Main failures of plastic gears, calculation methods and the use of modification profiles among other

Did the Pension Protection Act (PPA) of 2006 Resolve the Pension Crisis in Corporate America?

Science.gov (United States)

Luca, John J.

2009-01-01

On August 17, 2006, President George W. Bush signed into law the Pension Protection Act (PL 109-280). The 907-page federal law has been referred to as the most comprehensive reform of the nation's pension law since the enactment of the Employee Retirement Income Security Act (ERISA) of 1974 (Lucas, 2008). This paper will examine the major…

40 CFR 710.25 - Chemical substances for which information must be reported.

Science.gov (United States)

2010-07-01

... (CONTINUED) TOXIC SUBSTANCES CONTROL ACT TSCA CHEMICAL INVENTORY REGULATIONS 2002 Inventory Update Reporting... the Master Inventory File at the beginning of a reporting period described in § 710.33, unless the...

EPA Linked Open Data: Chemical Data Reporting

Data.gov (United States)

U.S. Environmental Protection Agency — This resource consists of the Chemical Data Reporting database that supports the Toxic Substances Control Act (TSCA) of 1976, which provides EPA with authority to...

Marketingo strategija plėtojant lauko vaizdo reklamos verslą

OpenAIRE

Jucytė, Jolanta

2008-01-01

Baigiamajame magistro darbe „Marketingo strategija plėtojant lauko vaizdo reklamos verslą“ išskiriama lauko vaizdo reklamos verslo problema, jos plėtojimo aktualijos. Nagrinėjama marketingo strategijos sąvoka. Išanalizavus ir susiteminus literatūrą marketingo strategijos planavimo, formulavimo ir įgyvendinimo klausimu, pateiktas teorinis marketingo strategijos modelis, tinkantis lauko vaizdo reklamos verslui. Išorinės reklamos rinkoje aplinka nuolat kinta, aštrėja įmonių konkurencinė kova, to...

Investigation of lipid oxidation and non-enzymatic browning reactions in marine PL emulsions

DEFF Research Database (Denmark)

Lu, Henna Fung Sieng; Nielsen, Nina Skall; Baron, Caroline P.

Marine phospholipids (PL) have received much attention recently due to their numerous advantages. One of these advantages is their better resistance towards oxidation as compared to fish oil. In addition to the antioxidative properties of α-tocopherol and phospholipids, the better oxidative...... stability of marine PL might be attributed to antioxidative properties of pyrroles formed between oxidised lipids with amine groups from phosphatidylethanolamine (PE) or residues amino acids that are present in marine PL. The main objective of this study was to investigate if the presence of amine group...... of amino acids (leucine, methionine and lysine) from 2 authentic standards (PC and PE) and 2 purified marine PL (LC and MPL) through sonication method. Emulsions were incubated at 60 ºC for 0, 2, 4 and 6 days. Non-enzymatic browning reactions were investigated through measurement of i) Strecker aldehydes...

Results of Section 4 Chemical Testing

Data.gov (United States)

U.S. Environmental Protection Agency — The Toxic Substances Control Act (TSCA) requires that data be developed on the effect of chemical substances and mixtures on health and the environment. This data...

The Foreign Intelligence Surveillance Act: An Overview of the Statutory Framework and Recent Judicial Decisions

National Research Council Canada - National Science Library

Bazan, Elizabeth B

2004-01-01

.... 107-108, and the Homeland Security Act of 2002, P.L. 107-296. In addressing international terrorism or espionage, the same factual situation may be the focus of both criminal investigations and foreign intelligence...

Three-photon excited PL spectroscopy and photo-generated Frenkel defects in wide-bandgap layered CdI{sub 2} semiconductors

Energy Technology Data Exchange (ETDEWEB)

Miah, M. Idrish, E-mail: m.miah@griffith.edu.a [Qeensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Brisbane, QLD 4111 (Australia)] [School of Biomolecular and Physical Sciences, Griffith University, Nathan, Brisbane, QLD 4111 (Australia)] [Department of Physics, University of Chittagong, Chittagong-4331 (Bangladesh)

2009-12-14

We performed a three-photon excitation nonlinear photoluminescence (PL) spectroscopy in single crystals of wide-bandgap semiconductors (WBSs). The crystal temperature (T{sub L})-dependent PL emission intensity (I{sub PL}) excited with different excitation power density (P) was measured. The PL emissions showed characteristics I{sub PL} with their maxima at around 520 nm. The I{sub PL} might be due to the presence of the photo-generated Frenkel defects (FDs) in WBSs. A detailed analysis of the PL spectra showed a third-order power law dependence of the maximum I{sub PL} on P for all the crystal temperature T{sub L}. The I{sub PL} was found to increase with decreasing T{sub L}. The results demonstrated the existence of the self-trapped excitons resulting from the presence of the FDs in the crystals.

Fabrication and PL of Al-doped gallium nitride nanowires

International Nuclear Information System (INIS)

Zhou Shaomin

2006-01-01

Mass Al-doped GaN nanowires with an average diameter of about 50 nm and lengths up to several millimeters are fabricated by a CVD approach. The as-fabricated products have a single crystal phase and grow along the direction. The growth of Al-doped GaN nanowires is suggested for quasi-vapor-solid mechanism (QVSM). In particular, for as large-scale GaN nanowires, a novel strong ultraviolet PL spectrum (from 3.3 to 3.7 eV) appears with a doping Al where the Al-doped GaN nanowires are found to be responsible for the different characteristics; the PL mechanism is explained in detail

Mocking in Oracle PL/SQL

CERN Multimedia

CERN. Geneva

2015-01-01

Testing is not very popular in database development, so there are none common approaches how to test software written in database. Surprisingly one of the oldest DB still lacks of appropriate testing approach for its PL/SQL programs. SQLDeveloper's built-in test "framework" is far from excellence, especially it does not cover mocking which is inherent part of testing for any bigger system being developed. This talk will briefly introduce Edition-Based Redefinition by Oracle to be used for mocking.

Addressing environmental contamination through market regulations

African Journals Online (AJOL)

Contrary to the prevailing view that the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) law, which amended the US Toxic Substances Control Act (TSCA), is the 'gold standard' for chemical regulation, the central premise of this article is that the Frank R. Lautenberg Chemical Safety Act for the ...

Soluble Flt-1 and PlGF: new markers of early pregnancy loss?

LENUS (Irish Health Repository)

Muttukrishna, Shanthi

2012-01-31

Recent data have indicated a relationship between placental oxygen and angiogenic protein levels in the first trimester of normal pregnancies. Our objective was to investigate if maternal serum levels of angiogenic factors Soluble vascular endothelial growth factor (VEGF) receptor 1 (sFlt-1), soluble Endoglin and placental growth factor (PlGF) are altered in women with symptoms of threatened miscarriage (TM) and if they are predictive of a subsequent miscarriage. Blood samples were collected at 6-10 weeks from women presenting with TM (n = 40), from asymptomatic controls (n = 32) and from non- pregnant women in their luteal phase (n = 14). All samples were assayed for serum level of sFLT-1, PlGF, sEndoglin and HSP70 using commercial ELISAs. Samples were analysed retrospectively on the basis of pregnancy outcome. TM group included 21 women with a normal pregnancy outcome and 19 with subsequent complete miscarriage. The latter subgroup had significantly lower mean maternal serum (MS) sFlt-1 (83%, P<0.001) and PlGF (44%, P<0.001) compared to those with a normal pregnancy outcome. Asymptomatic control pregnant women had similar MS levels of sFlt-1 and PlGF compared to the TM patients with a normal outcome. The mean MS sFlt-1 (>10 fold) and MS PlGF ( approximately 2 fold) levels were significantly (P<0.001) higher in control pregnant women compared to the non-pregnant group in the luteal phase of the menstrual cycle. Soluble Endoglin was not altered in the normal pregnant women compared to non pregnant women, although lower in the TM subgroup with a subsequent miscarriage ( approximately 25%, P<0.001) compared to TM with a live birth. There was no significant difference in the mean MS HSP 70 levels between the different groups. This study shows that sFlt1 and PlGF MS levels are increased by several folds in early pregnancy and that MS sFlt-1 and MS PlGF are markedly decreased in threatened miscarriage patients who subsequently have a miscarriage suggesting these

Soluble Flt-1 and PlGF: new markers of early pregnancy loss?

LENUS (Irish Health Repository)

Muttukrishna, Shanthi

2011-01-01

Recent data have indicated a relationship between placental oxygen and angiogenic protein levels in the first trimester of normal pregnancies. Our objective was to investigate if maternal serum levels of angiogenic factors Soluble vascular endothelial growth factor (VEGF) receptor 1 (sFlt-1), soluble Endoglin and placental growth factor (PlGF) are altered in women with symptoms of threatened miscarriage (TM) and if they are predictive of a subsequent miscarriage. Blood samples were collected at 6-10 weeks from women presenting with TM (n = 40), from asymptomatic controls (n = 32) and from non- pregnant women in their luteal phase (n = 14). All samples were assayed for serum level of sFLT-1, PlGF, sEndoglin and HSP70 using commercial ELISAs. Samples were analysed retrospectively on the basis of pregnancy outcome. TM group included 21 women with a normal pregnancy outcome and 19 with subsequent complete miscarriage. The latter subgroup had significantly lower mean maternal serum (MS) sFlt-1 (83%, P<0.001) and PlGF (44%, P<0.001) compared to those with a normal pregnancy outcome. Asymptomatic control pregnant women had similar MS levels of sFlt-1 and PlGF compared to the TM patients with a normal outcome. The mean MS sFlt-1 (>10 fold) and MS PlGF (∼2 fold) levels were significantly (P<0.001) higher in control pregnant women compared to the non-pregnant group in the luteal phase of the menstrual cycle. Soluble Endoglin was not altered in the normal pregnant women compared to non pregnant women, although lower in the TM subgroup with a subsequent miscarriage (∼25%, P<0.001) compared to TM with a live birth. There was no significant difference in the mean MS HSP 70 levels between the different groups. This study shows that sFlt1 and PlGF MS levels are increased by several folds in early pregnancy and that MS sFlt-1 and MS PlGF are markedly decreased in threatened miscarriage patients who subsequently have a miscarriage suggesting these proteins are

Naukaoklimacie.pl: Between Science Blog and Mythbuster.

Science.gov (United States)

Malinowski, S. P.; Popkiewicz, M.; Kardaś, A.; Bielewicz, A.

2015-12-01

"Naukaoklimacie" is a Polish fellow of a well known portal SkepticalScience.com. The name is a quibble. This cluster of two Polish words can be translated into English as "Climate Science" or "Science about Climate". Naukaoklimacie.pl and the associate Facebook page is an ongoing, over two years old project, aimed at providing Polish-speaking community fundamentals of climate science. Itgives insight into the recent climate science achievements, rebutts climate misinformation and busts climate myths. During two years of activity we published over 250 texts, our Facebook page has over 4k fans and results in 4-12 thousands post reach week-to-week, the mainpage articles are quoted in press and used as reading texts for students. Unlike in many countries, in Poland there is a real problem in finding a trustworthy information on climate change and science behind it. Neither universities, nor governmental agencies present climate science to Polish society. Naukaoklimacie.pl fills this gap in an unique way. Editorial group of the portal consists of two atmospheric scientists, a physicist and the professional journalist and is supported by a scientific council, consisting of 14 active scientists specializing in various aspects of climate, atmosphere, biodiversity, atmospheric chemistry e.t.c.. All the texts published in the webpage are consulted with scientists - specialists in the subject of the text, usually from the scientific council, sometimes by the external specialists. All the texts provide links to the original scientific publications. Naukaoklimacie.pl is not only an internet activity. We meet people on Festivals of Science, Science Open Days. We exist also in the mainstream media the editors and the scientific councils were interviewed by press and TV.

Fine mapping of the sunflower resistance locus Pl(ARG) introduced from the wild species Helianthus argophyllus.

Science.gov (United States)

Wieckhorst, S; Bachlava, E; Dussle, C M; Tang, S; Gao, W; Saski, C; Knapp, S J; Schön, C-C; Hahn, V; Bauer, E

2010-11-01

Downy mildew, caused by Plasmopara halstedii, is one of the most destructive diseases in cultivated sunflower (Helianthus annuus L.). The dominant resistance locus Pl(ARG) originates from silverleaf sunflower (H. argophyllus Torrey and Gray) and confers resistance to all known races of P. halstedii. We mapped Pl(ARG) on linkage group (LG) 1 of (cms)HA342 × ARG1575-2, a population consisting of 2,145 F(2) individuals. Further, we identified resistance gene candidates (RGCs) that cosegregated with Pl(ARG) as well as closely linked flanking markers. Markers from the target region were mapped with higher resolution in NDBLOS(sel) × KWS04, a population consisting of 2,780 F(2) individuals that does not segregate for Pl(ARG). A large-insert sunflower bacterial artificial chromosome (BAC) library was screened with overgo probes designed for markers RGC52 and RGC151, which cosegregated with Pl(ARG). Two RGC-containing BAC contigs were anchored to the Pl(ARG) region on LG 1.

de las artes plásticas

Directory of Open Access Journals (Sweden)

Julieta Castro Bonilla

2005-01-01

Full Text Available Las innovaciones que se producen día con día en los campos científico, tecnológico, ambiental, social, entre otros, afectan de manera significativa la educación y en consecuencia la labor que desempeñan los docentes. En este marco se le reconoce a la educación su función de orientar e impulsar políticas que respondan a las necesidades e intereses de quienes conforman el contexto social. El presente artículo pretende que quien imparte lecciones en el área de las Artes Plásticas comprenda que, como facilitador de los procesos de enseñanza y aprendizaje, debe fundamentar su práctica docente en referentes teóricos que les permitan a sus estudiantes trascender su análisis teórico y crítico, y llegar a propuestas concretas, realizables y transferibles a otros contextos. No debe nunca considerarse dueño absoluto de la verdad y del conocimiento. Debe eso sí tomar en consideración, de acuerdo con su formación y experiencia en esta área, referentes teóricos como el constructivismo, el holismo, la teoría de las inteligencias múltiples, la aplicación de la pedagogía, la psicología, la epistemología y la didáctica, que entrelazados con los contenidos propios del área de las Artes Plásticas, le permitan organizar un trabajo de aula reflexivo, que ofrezca la posibilidad de generar aprendizajes importantes. Por consiguiente, le corresponde al profesor de Artes Plásticas estudiar e investigar en forma rigurosa los fundamentos mencionados, así como practicar de manera constante técnicas artísticas variadas, pues le facilitan al estudiante el desarrollo de sus habilidades para aprender, para asimilar información eficiente y oportuna, para tomar decisiones, solucionar problemas e incrementar su creatividad

PL-PatchSurfer: A Novel Molecular Local Surface-Based Method for Exploring Protein-Ligand Interactions

Directory of Open Access Journals (Sweden)

Bingjie Hu

2014-08-01

Full Text Available Structure-based computational methods have been widely used in exploring protein-ligand interactions, including predicting the binding ligands of a given protein based on their structural complementarity. Compared to other protein and ligand representations, the advantages of a surface representation include reduced sensitivity to subtle changes in the pocket and ligand conformation and fast search speed. Here we developed a novel method named PL-PatchSurfer (Protein-Ligand PatchSurfer. PL-PatchSurfer represents the protein binding pocket and the ligand molecular surface as a combination of segmented surface patches. Each patch is characterized by its geometrical shape and the electrostatic potential, which are represented using the 3D Zernike descriptor (3DZD. We first tested PL-PatchSurfer on binding ligand prediction and found it outperformed the pocket-similarity based ligand prediction program. We then optimized the search algorithm of PL-PatchSurfer using the PDBbind dataset. Finally, we explored the utility of applying PL-PatchSurfer to a larger and more diverse dataset and showed that PL-PatchSurfer was able to provide a high early enrichment for most of the targets. To the best of our knowledge, PL-PatchSurfer is the first surface patch-based method that treats ligand complementarity at protein binding sites. We believe that using a surface patch approach to better understand protein-ligand interactions has the potential to significantly enhance the design of new ligands for a wide array of drug-targets.

PL-PatchSurfer: a novel molecular local surface-based method for exploring protein-ligand interactions.

Science.gov (United States)

Hu, Bingjie; Zhu, Xiaolei; Monroe, Lyman; Bures, Mark G; Kihara, Daisuke

2014-08-27

Structure-based computational methods have been widely used in exploring protein-ligand interactions, including predicting the binding ligands of a given protein based on their structural complementarity. Compared to other protein and ligand representations, the advantages of a surface representation include reduced sensitivity to subtle changes in the pocket and ligand conformation and fast search speed. Here we developed a novel method named PL-PatchSurfer (Protein-Ligand PatchSurfer). PL-PatchSurfer represents the protein binding pocket and the ligand molecular surface as a combination of segmented surface patches. Each patch is characterized by its geometrical shape and the electrostatic potential, which are represented using the 3D Zernike descriptor (3DZD). We first tested PL-PatchSurfer on binding ligand prediction and found it outperformed the pocket-similarity based ligand prediction program. We then optimized the search algorithm of PL-PatchSurfer using the PDBbind dataset. Finally, we explored the utility of applying PL-PatchSurfer to a larger and more diverse dataset and showed that PL-PatchSurfer was able to provide a high early enrichment for most of the targets. To the best of our knowledge, PL-PatchSurfer is the first surface patch-based method that treats ligand complementarity at protein binding sites. We believe that using a surface patch approach to better understand protein-ligand interactions has the potential to significantly enhance the design of new ligands for a wide array of drug-targets.

Education's "Three Mile Island": PL 94-142.

Science.gov (United States)

Vernon, McCay

1981-01-01

PL 94-142 is viewed as educationally and psychologically destructive to disabled students. It is also described as financially devastating to local school districts since it mandates that: (1) Cost cannot be considered a factor in developing educational programs for handicapped children; and (2) The most money be spent on children least likely to…

Modeling Engineered Nanomaterials (ENMs) Fate and Transport in Aquatic Ecosystems

Science.gov (United States)

Under the Toxic Substances Control Act (TSCA), the Environmental Protection Agency (EPA) is required to perform new chemical reviews of engineered nanomaterials (ENMs) identified in pre-manufacture notices. However, environmental fate models developed for traditional contaminants...

Anthraquinone Final Reporting and Recordkeeping Requirements and Test Rule

Science.gov (United States)

EPA is issuing a final rule, under section 4 of the Toxic Substances Control Act (TSCA), requiring manufacturers and processors of 9,10-anthraquinone (CAS No. 84—65—1), hereinafter anthraquinone, to perform testing.

Simulating Multiwalled Carbon Nanotube Transport in Surface Water Systems Using the Water Quality Analysis Simulation Program (WASP)

Science.gov (United States)

Under the Toxic Substances Control Act (TSCA), the Environmental Protection Agency (EPA) is required to perform new chemical reviews of nanomaterials identified in premanufacture notices. However, environmental fate models developed for traditional contaminants are limited in the...

sFlt-1 and PlGF kinetics during and after pregnancy in women with suspected or confirmed preeclampsia.

Science.gov (United States)

Saleh, Langeza; van den Meiracker, Anton H; Geensen, Roos; Kaya, Aslihan; van Lennep, Jeanine E Roeters; Duvekot, Johannes J; Verdonk, Koen; Steegers, Eric A P; Russcher, Henk; Danser, Jan A H; Visser, Willy

2017-06-10

To assess the evolution of the sFlt-1/PlGF ratio in women with suspected or with confirmed preeclampsia and to investigate the changes in sFlt-1 and PlGF levels in preeclamptic women after delivery. In this exploratory tertiary referral university centre study, using the Roche Diagnostics Elecsys assay, sFlt-1 and PlGF were determined in two groups of patients. In the first group of 46 patients with suspected or confirmed preeclampsia, sFlt-1 and PlGF were measured at least twice during their pregnancy. Women had singleton pregnancies and a median pregnancy duration of 26 weeks (range 18 - 40 weeks). In the second group, sFlt-1 and PlGF of 26 preeclamptic patients were determined before and after delivery. The median gestational age at inclusion was 29 weeks (16 - 37) and the median days between antepartum measurement and delivery was 2 days (1 - 7). In the first group, 90% of patients with a sFlt-1/PlGF ratio ≤38 at baseline (n = 30), ruling out PE, the sFlt-1/PlGF ratio remained stable for up to 100 days. In 16 patients with a sFlt-1/PlGF ratio >38 and in 10% of those with a sFlt-1/PlGF ratio <38 at baseline the ratio increased further. In the second group, after delivery, sFlt-1 dropped to <1% of its pre-delivery values with a half-life of 1.4 ± 0.3 days, while PlGF dropped to ≈ 30% of its pre-delivery values with a half-life of 3.7 ± 4.3 days. Based on this small cohort, up to 10% of women admitted with suspected or confirmed PE presenting with a sFlt-1/PlGF ratio ≤38 display a rise of this sFlt-1/PlGF ratio in subsequent weeks, implying that repeated determination of the sFlt-1/PlGF ratio is required to reject this condition definitively. Furthermore, the rapid and pronounced decline of sFlt-1 values after delivery in patients with PE/HELLP suggests that sFlt-1, in contrast with PlGF, is almost entirely placenta-derived. This article is protected by copyright. All rights reserved.

Religinio turizmo plėtros galimybės Lietuvos turizmo rinkoje

OpenAIRE

Macijauskaitė, Indrė

2010-01-01

Darbo objektas – Religinis turizmas Lietuvoje. Probleminis (tiriamasis) klausimas: Kokios religinio turizmo plėtros galimybės Lietuvos turizmo rinkoje? Tyrimo tikslas: Ištirti religinio turizmo plėtros galimybes Lietuvos turizmo rinkoje. Rašant darbą buvo išsikelti keturi uždaviniai, kad išanalizuoti religinio turizmo sampratų kaitą ir religinio turizmo vietą Lietuvos turizmo rinkoje buvo atlikta mokslinė ir statistinių duomenų analizė. Išanalizuotos religinio turizmo galimybės Liet...

SIA "Baltegle" naudas plūsmas analīze un vadīšana

OpenAIRE

Jegorova, Valērija

2011-01-01

Vairākiem Latvijas uzņēmumiem ir aktuālas stabilizēšanas problēmas, kuras ietekmēja naudas plūsmas neefektīva vadīšana. Diplomdarba mērķis ir novērtēt SIA „Baltegle” naudas plūsmu un izstrādāt priekšlikumus tās optimizācijai. Pirmajā diplomdarba nodaļā apskatīta naudas plūsmas būtība, otrajā nodaļā - naudas plūsmas pārskata sagatavošanas īpatnības, trešajā nodaļā - analīzes un vadīšanas aspekti. Ceturtajā nodaļā pētīta SIA „Baltegle” saimnieciskā darbība. Piektajā nodaļā veikta uzņēmuma...

Amenazas toxicológicas del plástico

Science.gov (United States)

El plástico representa el 80 de la basura marina que se origina de desperdicios terrestres. La presencia de estos desechos pásticos tiene un impacto negativo en el medioambiente, el turismo, la industria de la pesca y la navegación.

Fine mapping of the sunflower resistance locus PlARG introduced from the wild species Helianthus argophyllus

Science.gov (United States)

Wieckhorst, S.; Bachlava, E.; Dußle, C. M.; Tang, S.; Gao, W.; Saski, C.; Knapp, S. J.; Schön, C.-C.; Hahn, V.

2010-01-01

Downy mildew, caused by Plasmopara halstedii, is one of the most destructive diseases in cultivated sunflower (Helianthus annuus L.). The dominant resistance locus PlARG originates from silverleaf sunflower (H. argophyllus Torrey and Gray) and confers resistance to all known races of P. halstedii. We mapped PlARG on linkage group (LG) 1 of (cms)HA342 × ARG1575-2, a population consisting of 2,145 F2 individuals. Further, we identified resistance gene candidates (RGCs) that cosegregated with PlARG as well as closely linked flanking markers. Markers from the target region were mapped with higher resolution in NDBLOSsel × KWS04, a population consisting of 2,780 F2 individuals that does not segregate for PlARG. A large-insert sunflower bacterial artificial chromosome (BAC) library was screened with overgo probes designed for markers RGC52 and RGC151, which cosegregated with PlARG. Two RGC-containing BAC contigs were anchored to the PlARG region on LG 1. Electronic supplementary material The online version of this article (doi:10.1007/s00122-010-1416-4) contains supplementary material, which is available to authorized users. PMID:20700574

Ladrillos elaborados con plástico reciclado (PET), para mampostería no portante

OpenAIRE

Angumba Aguilar, Pedro Javier

2016-01-01

En el presente trabajo se investigó el uso de plástico reciclado para la fabricación de ladrillos para construcción de mampostería no portante. En primer lugar se realiza la caracterización de los residuos sólidos que se generan en la ciudad de Cuenca, donde el 22,7% del total recolectado es material plástico, que se desechan libremente sin un tratamiento previo. De la misma manera se investigan las características del plástico, Polientilen Tereftalato (PET) para descartar efectos nocivos al...

Registration of Aerial Image with Airborne LiDAR Data Based on Plücker Line

Directory of Open Access Journals (Sweden)

SHENG Qinghong

2015-07-01

Full Text Available Registration of aerial image with airborne LiDAR data is a key to feature extraction. A registration model based on Plücker line is proposed. The relative position and attitude relationship between the conjugate lines in LiDAR and image is determined based on Plücker linear equation, which describes line transformation in space, then coplanarity condition equation is established. Finally, coordinate transformation between image point and corresponding LiDAR point is achieved by the spiral movement of Plücker lines in the image. The registration model of Plücker linear coplanarity condition equation is simple, and jointly describes the rotation and translation to avoid coupling error between them, so the accuracy is approved. This research provides technical support for high-quality earth spatial information acquisition.

Potential applications of artificial intelligence in computer-based management systems for mixed waste incinerator facility operation

International Nuclear Information System (INIS)

Rivera, A.L.; Singh, S.P.N.; Ferrada, J.J.

1991-01-01

The Department of Energy/Oak Ridge Field Office (DOE/OR) operates a mixed waste incinerator facility at the Oak Ridge K-25 Site, designed for the thermal treatment of incinerable liquid, sludge, and solid waste regulated under the Toxic Substances Control Act (TSCA) and the Resource Conversion and Recovery Act (RCRA). Operation of the TSCA Incinerator is highly constrained as a result of the regulatory, institutional, technical, and resource availability requirements. This presents an opportunity for applying computer technology as a technical resource for mixed waste incinerator operation to facilitate promoting and sustaining a continuous performance improvement process while demonstrating compliance. This paper describes mixed waste incinerator facility performance-oriented tasks that could be assisted by Artificial Intelligence (AI) and the requirements for AI tools that would implement these algorithms in a computer-based system. 4 figs., 1 tab

Technical Training: Programmation Unity-Pro pour utilisateurs de Schneider PL7-Pro et Concept

CERN Multimedia

Monique Duval

2005-01-01

Un nouveau cours pratique sur les environnements Premium et Quantum de Schneider est proposé aux automaticiens concepteurs ou installateurs, et aux techniciens de bureau d'études, pour découvrir l'outil de programmation Unity. La prochaine session aura lieu du 24 au 28 janvier 2005. Le cours est ouvert aux personnes capables de développer sous PL7-Pro ou Concept. Objectifs : Maîtriser les différences fonctionnelles d'Unity-Pro par rapport à PL7 et Concept ; programmer en Unity-Pro sur Base Premium et Quantum. Programme : Environnement Quantum et Coupleur Profibus (1 journée) : configuration d'un automate sous Unity Pro et d'un coupleur Profibus DP. Conversion à Unity sur base Quantum et Premium (3,5 jours) : l'offre globale Unity, evolution par rapport à PL7 et Concept ; conversion d'application depuis PL7 Pro ; outils de mise au point ; manipulation des variables structurées ; utilisation des fonctions ; gestion des DF...

Powerplant and Industrial Fuel Use Act, PL 95-620: legislative history, 1978

Energy Technology Data Exchange (ETDEWEB)

1979-06-01

Hearings continued on H.R. 6831, the President's proposed National Energy Act. Witnesses aired views on the impacts that industries would experience on converting boilers to coal. The final hearing of the three-week session was held on June 1, 1977. The June 1 session took a step back from the details of the many components of the President's plan and took a broad and longer term view of the plan as a whole. The hearings elicited substantial criticism of the many costs and burdens that would accompany the President's program. This is largely because the costs of conservation and conversion to coal precede the benefits by several years. A summary of the National Energy Plan is presented. (MCW)

Testing Consent Order on Refractory Ceramic Fibers

Science.gov (United States)

This notice announces that EPA has signed signed an enforceable testing consent order under the Toxic Substances Control Act (TSCA), 15 U.S.C. section 2601 at seq., with three of the primary producers of refractory ceramic fibers (RCF).

PL-1 program system for generalized Patterson superpositions. [PL1GEN, SYMPL1, and ALSPL1, in PL/1 for IBM 360/65 computer

Energy Technology Data Exchange (ETDEWEB)

Hubbard, C.R.; Babich, M.W.; Jacobson, R.A.

1977-01-01

A new system of three programs written in PL/1 can calculate symmetry and Patterson superposition maps for triclinic, monoclinic, and orthorhombic space groups as well as any space group reducible to one of these three. These programs are based on a system of FORTRAN programs developed at Ames Laboratory, but are more general and have expanded utility, especially with regard to large unit cells. The program PLIGEN calculates a direct access data set, SYMPL1 calculates a direct access symmetry map, and ALSPL1 calculates a superposition map using one or multiple superpositions. A detailed description of the use of these programs including symbolic program listings is included. 2 tables.

77 FR 35331 - Trichoderma reesei; Proposed Significant New Use Rule

Science.gov (United States)

2012-06-13

... Trichoderma reesei; Proposed Significant New Use Rule AGENCY: Environmental Protection Agency (EPA). ACTION... Control Act (TSCA) for the genetically modified microorganism identified generically as Trichoderma reesei...: Trichoderma reesei (MCAN J-10-2) (generic). Chemical Abstracts Service (CAS) Registry Number: Not available...

76 FR 69722 - Access to Confidential Business Information by Protection Strategies Incorporated

Science.gov (United States)

2011-11-09

... Business Information by Protection Strategies Incorporated AGENCY: Environmental Protection Agency (EPA... Control Act (TSCA) confidential business information and to provide notice that this contract has been extended until December 31, 2011. Protection Strategies Incorporated (PSI) has been the owner of Eagle...

75 FR 78238 - Access to Confidential Business Information by Science Applications International Corporation and...

Science.gov (United States)

2010-12-15

... Business Information by Science Applications International Corporation and Its Identified Subcontractors..., Science Applications International Corporation (SAIC) of San Diego, CA, and Its Identified Subcontractors... Control Act (TSCA). Some of the information may be claimed or determined to be Confidential Business...

PlA polymorphism and platelet reactivity following clopidogrel loading dose in patients undergoing coronary stent implantation.

Science.gov (United States)

Angiolillo, Dominick J; Fernandez-Ortiz, Antonio; Bernardo, Esther; Alfonso, Fernando; Sabaté, Manel; Fernández, Cristina; Stranieri, Chiara; Trabetti, Elisabetta; Pignatti, Pier Franco; Macaya, Carlos

2004-01-01

The PlA polymorphism (Leu33Pro) of the platelet glycoprotein (GP) IIIa gene has been suggested to play an important role in coronary thrombosis. In vitro studies have shown differences for this polymorphism in platelet sensitivity towards antiplatelet drugs (aspirin and abciximab), suggesting a pharmacogenetic modulation. The aim of the study was to assess the modulatory effect of the PlA polymorphism on clopidogrel-induced antiplatelet effects in 38 patients undergoing coronary stent implantation receiving a 300 mg clopidogrel loading-dose. Platelet reactivity was assessed as GPIIb/IIIa activation and P-selectin expression in platelets stimulated with 2 micromol/l adenosine diphosphate using whole blood flow cytometry. The distribution of the homozygous PlA1/A1 and heterozygous PlA1/A2 genotypes were 74 and 26%, respectively. PlA2 carriers had a higher degree of GPIIb/IIIa activation (P = 0.05) and P-selectin expression (P = 0.02) during the overall study time course and a lower antiplatelet effect to a 300 mg clopidogrel loading-dose up to 24 h following intervention (P < 0.05). In conclusion, the Pl polymorphism of the GPIIIa gene modulates platelet reactivity towards clopidogrel front loading in patients undergoing coronary stenting. This suggests the need for individualized antithrombotic regimens to optimally inhibit platelet reactivity. Copyright 2004 Lippincott Williams and Wilkins

77 FR 11158 - Notice of Lodging of Consent Decree Under the Toxic Substances Control Act

Science.gov (United States)

2012-02-24

... Dover Chemical to pay a $1.4 million civil penalty. Dover Chemical has halted manufacture of short-chain chlorinated paraffins and committed to submit premanufacture notices (``PMNs'') for medium and long-chain chlorinated paraffins, pursuant to TSCA Section 5. The proposed Consent Decree prohibits Dover Chemical from...

Bisphenol A; Final Test Rule

Science.gov (United States)

EPA is issuing a final rule, under section 4 of the Toxic Substances Control Act (TSCA) requiring manufacturers and processors of bisphenol A, hereinafter BPA, (4.4’-isopropylidenediphenol, CAS No. 80-05—7) to conduct a 90-day inhalation study.

76 FR 77816 - Access to Confidential Business Information by Guident Technologies, Inc. and Subcontractor...

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2011-12-14

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Modification of ChPL (chitosan protein–lipid nanoparticles for in vitro release of rifampicin (RIF

Directory of Open Access Journals (Sweden)

Poopak Farnia

2015-01-01

Results and conclusions: The average size of RIF ChPL-NPs was about 50–250nm. The release of RIF from the dialysis bag started after 30 min which was 2400ng/ml; after 16 h the release of RIF was 15,000ng/ml; and at 40 h the concentration reached to 19,600ng/ml. Therefore, these results showed a slow release of RIF from ChPL-NPs. Basically, the intensity of the surface charges in nanoparticle is important as it determines their interaction with bioactive compound. In RIF ChPL-NPs, lipid had negative charges, whereas chitosan and gelatin had positive charges. The electrostatic interaction between oppositely charged ions would ultimately cause an effective system drug delivery. RIF ChPL-NPs is not only suitable for intravenous administration, but it can be used as an inhalation aerosol, because this nanoparticle has a capacity to adhere to mucosal surfaces and transiently open the tight junction.

Los plásticos en la construcción

Directory of Open Access Journals (Sweden)

Arredondo, Francisco

1959-06-01

Full Text Available Not availableAunque la industria de los plásticos no nació hasta el siglo XIX, puede decirse que los romanos utilizaron dichos materiales, pues hoy noticias del uso de la caseína para fijar pigmentos en los papiros.

Remix, Pastiche, Plágio: autorias da nova geração

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Pedro Demo

2011-01-01

Full Text Available A querela em torno do plágio parece estar se acalmando um pouco, ainda que o problema permaneça sumamente grave. Não significa que vamos engolir o plágio, mas que precisamos entender razões de sua proliferação e visões diferenciadas de autoria (BLUM, 2009. Dentro da visão puritana (moderna, plágio é nada mais que fraude criminosa, porque se apropria de direitos alheios. Dentro, porém, da visão mais não linear (pós-moderna, além de ser difícil delimitar o que seria plágio iniludivelmente, pode-se perceber que originalidade, em certo sentido, não existe: as ideias são sempre dinâmicas compartilhadas cultural e linguisticamente (WEINBERGER, 2007. O jeito pessoal de reconstruir as ideias talvez seja único, mas não todas as ideias. Se formos excessivamente rigorosos, toda conversa é plágio, inclusive obras científicas. Na célebre alusão de Newton, sua produção matemática representou avanço decisivo no mundo científico, mas a partir de outros autores (usava a expressão: apoiado nos ombros de antecessores. É problema certamente que muitos estudantes, usando a internet, copiem friamente trechos inteiros como se fossem seus ou mesmo "comprem" uma dissertação. Ocorre também que a nova geração apresenta traços de identidade bastante diferentes, em especial com respeito à vida acadêmica e seus códigos de conduta: estudar é importante, mas é apenas um pedaço na vida e, sob pressões extremas, plagiar também é "opção". Neste texto busco analisar preliminarmente metamorfoses da autoria na nova geração.

Serial measurements of serum human placental lactogen (hPL) and serial ultrasound examinations in the evaluation of fetal growth

DEFF Research Database (Denmark)

Sørensen, Steen; von Tabouillot, D; Schioler, V

2000-01-01

Serial serum hPL measurements and serial ultrasound fetometry were compared in the evaluation of fetal growth by relating these two parameters to size at birth and to clinical factors known to influence size at birth. The data were from a prospective study of 1000 consecutive pregnant women...... considered to be at risk for fetal growth retardation with retrospective analysis. Serum hPL was measured by radioimmunoassay and fetal weight estimated by ultrasound every 3 weeks during the last trimester. hPL values were expressed as multiples of the median (MoM) and linear regression analysis of the h......PL MoM values was carried out for each pregnancy to find the slope of the line (hPL-slope); at least 3 serum hPL values were required. The estimated fetal weight and weight-for-age at birth was expressed in Z-scores. The individual intrauterine growth velocity was calculated by regression analysis...

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2011-01-07

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Nodal collocation approximation for the multidimensional PL equations applied to transport source problems

Energy Technology Data Exchange (ETDEWEB)

Verdu, G. [Departamento de Ingenieria Quimica Y Nuclear, Universitat Politecnica de Valencia, Cami de Vera, 14, 46022. Valencia (Spain); Capilla, M.; Talavera, C. F.; Ginestar, D. [Dept. of Nuclear Engineering, Departamento de Matematica Aplicada, Universitat Politecnica de Valencia, Cami de Vera, 14, 46022. Valencia (Spain)

2012-07-01

PL equations are classical high order approximations to the transport equations which are based on the expansion of the angular dependence of the angular neutron flux and the nuclear cross sections in terms of spherical harmonics. A nodal collocation method is used to discretize the PL equations associated with a neutron source transport problem. The performance of the method is tested solving two 1D problems with analytical solution for the transport equation and a classical 2D problem. (authors)

Nodal collocation approximation for the multidimensional PL equations applied to transport source problems

International Nuclear Information System (INIS)

Verdu, G.; Capilla, M.; Talavera, C. F.; Ginestar, D.

2012-01-01

PL equations are classical high order approximations to the transport equations which are based on the expansion of the angular dependence of the angular neutron flux and the nuclear cross sections in terms of spherical harmonics. A nodal collocation method is used to discretize the PL equations associated with a neutron source transport problem. The performance of the method is tested solving two 1D problems with analytical solution for the transport equation and a classical 2D problem. (authors)

An Alternative to the 3PL: Using Asymmetric Item Characteristic Curves to Address Guessing Effects

Science.gov (United States)

Lee, Sora; Bolt, Daniel M.

2018-01-01

Both the statistical and interpretational shortcomings of the three-parameter logistic (3PL) model in accommodating guessing effects on multiple-choice items are well documented. We consider the use of a residual heteroscedasticity (RH) model as an alternative, and compare its performance to the 3PL with real test data sets and through simulation…

Education of the Handicapped Act Amendments of 1990, P.L. 101-476: A Summary. CRS Report for Congress.

Science.gov (United States)

Aleman, Steven R.

This summary of the Education of the Handicapped Act Amendments of 1990, Public Law 101-476, identifies how these Amendments extend and expand special education research, demonstration, and training programs of the Individuals with Disabilities Education Act (IDEA). IDEA authorizes three state formula grant programs and several discretionary grant…

Plínio Marcos: uma biografia

OpenAIRE

Contiero, Lucinéia [UNESP

2007-01-01

Esta é uma biografia de Plínio Marcos, dramaturgo santista nascido em 1935. Tem um pouco de biografia intelectual, um pouco de biografia crítica. Mas é sobretudo a vida de um homem de teatro. O trabalho se abre com uma discussão teórica, em face da qual procuro situar essa abordagem de uma vida. Como toda biografia, prevaleceu aqui o interesse pela disposição cronológica dos fatos, com paradas para tratar de certos aspectos importantes, a vida de jornalista, a peças de maior sucesso. No prime...

Effect of plant resistance and BioAct WG (Purpureocillium lilacinum strain 251) on Meloidogyne incognita in a tomato-cucumber rotation in a greenhouse.

Science.gov (United States)

Giné, Ariadna; Sorribas, Francisco J

2017-05-01

The effectiveness of combining resistant tomato with BioAct WG (Purpureocillium lilacinum strain 251, Pl251) against Meloidogyne incognita was assessed in a tomato-cucumber rotation in a greenhouse over 2 years. Additionally, the enzymatic activity of the fungus, the percentage of fungal egg and juvenile parasitism, cardinal temperatures and the effect of water potential on mycelial growth and the soil receptivity to Pl251 were determined in vitro. Plant resistance was the only factor that suppressed nematode and crop yield losses. Percentage of egg parasitism in plots treated with BioAct WG was less than 2.6%. However, under in vitro conditions, Pl251 showed protease, lipase and chitinase activities and parasitised 94.5% of eggs, but no juveniles. Cardinal temperatures were 14.2, 24-26 and 35.4 °C. The maximum Pl251 mycelial growth was at -0.25 MPa and 25 °C. Soil temperatures and water potential in the greenhouse were in the range of the fungus. However, soil receptivity was lower in greenhouse soil, irrespective of sterilisation, than in sterilised sand. Plant resistance was the only factor able to suppress nematode densities, disease severity and yield losses, and to protect the following cucumber crop. Environmental factors involved in soil receptivity could have negatively affected fungus effectiveness. © 2016 Society of Chemical Industry. © 2016 Society of Chemical Industry.

The sFlt-1/PlGF ratio as a predictor for poor pregnancy and neonatal outcomes

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Yu-Shan Chang

2017-12-01

Full Text Available Background: Soluble fms-like tyrosine kinase receptor-1 (sFlt-1/placental growth factor (PlGF ratio has been studied extensively as a predictive marker for pre-eclampsia. However, its usefulness for predicting neonatal outcomes remains unknown. This study aimed to evaluate the association of sFlt-1/PlGF ratio with pregnancy outcomes, neonatal morbidities and short-term postnatal growth patterns in pregnant women and their babies. Methods: sFlt-1 and PlGF were measured in women with fetal intrauterine growth retardation (IUGR or pre-eclampsia during gestational age (GA of 16–36 weeks. These women were classified into high- and low-ratio groups with a sFlt-1/PlGF cut-off ratio of 85. The maternal and neonatal outcomes were retrospectively reviewed and compared between the two groups. Results: A total of 25 pregnant women were recruited. Thirteen of them had a sFlt-1/PlGF ratio over 85 and twelve had a ratio of less than 85. The median duration from elevation of sFlt-1/PlGF to delivery was 4.5 weeks. Women in the high SFlt-1/PlGF ratio group had higher rates of intrauterine fetal demise (2/13 vs. 0/12 and early termination (1/13 vs. 0/12. The surviving offspring in this group had a higher incidence of preterm birth (GA: 31.4 ± 2.9 weeks vs. 37.3 ± 1.3 weeks, p < 0.001, lower birth weight (1142 ± 472 g vs. 2311 ± 236 g, p < 0.001, higher incidence of respiratory distress syndrome (6/10 vs. 0/12, p = 0.002 and bronchopulmonary dysplasia (4/10 vs. 0/12, p = 0.01. However, the percentile of body weight, height and head circumference at 28 days of age, 56 days of age and the corrected age of 6 months were comparable between groups. Conclusions: High sFlt-1/PlGF ratio in pregnant women is associated with poor pregnancy and neonatal outcomes. Therefore, the monitoring of sFlt-1/PlGF ratio in pregnant women with fetal IUGR and timely management for placenta-associated diseases are

Podnikatelský plán

OpenAIRE

Štefančík, Jozef

2007-01-01

Práce se zabývá podstatnými skutečnostmi, které mají vliv na založení internetového obchodu se skate doplňky v ČR. Zmiňuje legislativní, technologické, marktetingové, finanční a jiné aspekty. Praktická část používá zjištěné poznatky k navržení podoby hypotetického internetového obchodu se skate doplňky Skate stuff, s.r.o. a je tak podnikatelským plánem pro potřeby případného začínajícího podnikatele.

Experience in the design, implementation and use of PL-11, a programming language for the PDP-11

CERN Document Server

Russell, R D

1976-01-01

PL-11 is a programming language for the PDP-11 family of computers designed and implemented as part of the OMEGA Project at CERN (the European Organization for Nuclear Research). Its purpose is to provide an effective tool for both physicists and systems programmers to use in building real time data acquisition systems that are online to high-energy physics experiments. It is a fairly typical member of the PL-class of programming languages which are based on the initial design of PL360. (44 refs).

77 FR 68769 - Access to Confidential Business Information by Abt Associates, Inc.

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2012-11-16

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2012-02-22

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2011-05-06

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2010-07-01

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Predictors of suicidal acts across adolescence: influences of familial, peer and individual factors.

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Nrugham, Latha; Larsson, Bo; Sund, Anne Mari

2008-07-01

To examine the influences of familial, peer and individual predictors of suicidal acts in a longitudinal study with a subset of school adolescents reporting high levels of depressive symptoms. A representative sample of Norwegian school students (N=2464, mean age 13.7 years, T1) was reassessed after 1 year (T2) with the same questionnaire. All high scorers of depressive symptoms on the Mood and Feelings Questionnaire (MFQ) at T2 were defined as cases. One control from low or middle scorers, matched for age and gender, was randomly assigned to every two cases. This subset (n=345) was diagnostically assessed by face-to-face K-SADS-PL interviews (mean age=14.9 years). The same subset was reassessed after 5 years (T3) by using the same questionnaire (n=252, mean age=20.0 years) and telephone K-SADS-PL interviews (n=242). The participation rate at T3 was 76.9% (n=265). The questionnaire explored various relationships with family members, peers and individual factors such as lifestyle habits, and physical health. Irrespective of time, history of a suicidal act significantly predicted a later suicidal act. Not living with both biological parents and a diagnosis of any depressive disorder were significant predictors for younger and older adolescents, respectively. In line with the findings of previous clinical studies, our results underline the importance of identifying previous suicidal acts, depressive disorders, broken homes and risk behaviours such as smoking and intoxication in the assessment of suicidal risk across adolescence.

Effluent testing for the Oak Ridge Toxic Substances Control Act mixed waste incinerator emissions tests of January 16 and 18, 1991

International Nuclear Information System (INIS)

Shor, J.T.; Bostick, W.D.; Coroneos, A.C.; Bunch, D.H.; Gibson, L.V.; Hoffmann, D.P.; Shoemaker, J.L.

1992-02-01

On January 16 and 18, 1991, special emissions tests were conducted at the Oak Ridge, K-25 Site Toxic Substances Control Act (TSCA) Incinerator. Both tests were approximately 6 h long and were performed at TSCA temperatures [1200 degrees C, secondary combustion chamber (SSC)]. Liquid feed and effluent samples were collected every 30 min. A filter was used to collect particles from stack gases to study morphology and composition during the first test. Isokinetic air samples were also taken during the second test. Metals emissions from the second test were evaluated using the Environmental Protection Agency (EPA) Method 5 sampling train. The aqueous waste was collected and fed in batches to the Central Neutralization Facility (CNF), where it was treated by iron coprecipitation and polymer flocculation and data were collected. In the first test (1-16-91), the aqueous and organic wastes were fed directly to the kiln or primary combustion chamber (PCC). In the second test (1-18-91), the remaining organic waste from the first test was fed into the SSC, and other organic waste was fed into the PCC. One objective of the two tests was to determine if feeding the same organic waste into the two combustion chambers made a difference in a partitioning of uranium and other metals. No evaluation of radionuclides other than uranium was made. The partition coefficient of uranium to the quench water was 0.3 on January 16 and 0.35 on January 18; so directing Tank 306A to the feed to the primary vs the secondary combustion chamber appears to have made little difference. The partition coefficient of uranium to the stack on January 18 was 0.0039. 5 refs., 15 figs., 26 tabs

Automatic Prompt System in the Process of Mapping plWordNet on Princeton WordNet

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Paweł Kędzia

2015-06-01

Full Text Available Automatic Prompt System in the Process of Mapping plWordNet on Princeton WordNet The paper offers a critical evaluation of the power and usefulness of an automatic prompt system based on the extended Relaxation Labelling algorithm in the process of (manual mapping plWordNet on Princeton WordNet. To this end the results of manual mapping – that is inter-lingual relations between plWN and PWN synsets – are juxtaposed with the automatic prompts that were generated for the source language synsets to be mapped. We check the number and type of inter-lingual relations introduced on the basis of automatic prompts and the distance of the respective prompt synsets from the actual target language synsets.

Establecimiento de plántulas in vitro de clones de ajo peruano (Allium sativum L.

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Leidy López Quintero

2014-06-01

Full Text Available Se evaluó el establecimiento in vitro de dos clones de ajo peruano mediante el uso de procesos estandarizados de desinfección e introducción in vitro de meristemos de ajo de clones nacionales. Se validó el uso de hipocloritode calcio (1 g.L-1 e hipoclorito de sodio (0.1% como desinfectantes, permitiendo la eliminación total de los microorganismos presentes en los explantes yuna viabilidad del 66.3 y 64.5% en los clones P-007A y P-007B. El establecimiento in vitro de las plántulas se realizó en medio de cultivo MS con 0,5 mg.L-1 de ácido naftalen acético (ANA y 0,64 mg.L-1 de 2-Isopentil adenina(2ip, donde el clon P-007A desarrollo plántulas de 15mm con 2.52 hojas, mientras en el clon P-007B las plántulas tenían 13.6mm con 2.16 hojas. Las plántulas establecidas de ajo de los clones peruanos lograron los parámetros de desarrollo indicados para la etapa de establecimiento de la especie.

PlGF repairs myocardial ischemia through mechanisms of angiogenesis, cardioprotection and recruitment of myo-angiogenic competent marrow progenitors.

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Hiroto Iwasaki

Full Text Available Despite preclinical success in regenerating and revascularizing the infarcted heart using angiogenic growth factors or bone marrow (BM cells, recent clinical trials have revealed less benefit from these therapies than expected.We explored the therapeutic potential of myocardial gene therapy of placental growth factor (PlGF, a VEGF-related angiogenic growth factor, with progenitor-mobilizing activity.Myocardial PlGF gene therapy improves cardiac performance after myocardial infarction, by inducing cardiac repair and reparative myoangiogenesis, via upregulation of paracrine anti-apoptotic and angiogenic factors. In addition, PlGF therapy stimulated Sca-1(+/Lin(- (SL BM progenitor proliferation, enhanced their mobilization into peripheral blood, and promoted their recruitment into the peri-infarct borders. Moreover, PlGF enhanced endothelial progenitor colony formation of BM-derived SL cells, and induced a phenotypic switch of BM-SL cells, recruited in the infarct, to the endothelial, smooth muscle and cardiomyocyte lineage.Such pleiotropic effects of PlGF on cardiac repair and regeneration offer novel opportunities in the treatment of ischemic heart disease.

Pemodelan Enterprise Architecture Sistem Informasi Akademik SMA PL Don Bosko Semarang Dengan Framework Zachman

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Maria Alfonsa Chintia Dea Prananingrum

2017-05-01

Full Text Available Abstrak SMA PL Don Bosko Semarang belum dapat memanfaatkan teknologi komputer secara optimal karena masih menggunakan cara manual dalam pengelolaan berbagai macam data akademik sehingga memberikan masalah seperti lambatnya dalam pembuatan laporan yang menyulitkan kepala sekolah dalam pengambilan keputusan. Oleh sebab itu, SMA PL Don Bosko Semarang membutuhkan Sistem Informasi Akademik untuk memberikan kemudahan dalam mengelola berbagai macam data akademik secara terintegrasi serta memberikan layanan yang lebih baik kepada siswanya. Sebuah model architecture enterprise Sistem Informasi Akademik dibutuhkan agar meminimalisir kegagalan ketika menerapkan sistem tersebut sekaligus dapat berjalan sesuai kebutuhan di SMA PL Don Bosko Semarang. Metode analisis dalam penelitian ini menggunakan Framework Zachman yang memberikan pondasi dalam membantu menyediakan struktur dasar organisasi sehingga dapat mendukung perancangan dan pengembangan sistem informasi suatu organisasi. Hasil dari penelitian ini berupa blueprint (cetak biru pemodelan Sistem Informasi Akademik. Kata kunci— sistem informasi akademik, architecture enterprise, framework zachman, bluprint

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2010-10-14

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2010-02-01

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Caracterización de plásmidos de Acinetobacter spp. de origen hospitalario y ambiental

OpenAIRE

Salto, Ileana Paula

2017-01-01

Los plásmidos pueden ser considerados como un ensamble de distintos módulos funcionales característicos que le confieren su identidad (Thomas, 2000). Los plásmidos pueden contener en su secuencia genes de proteínas con funciones plenamente plasmídicas (replicación, movilización y mantenimiento), como así también módulos accesorios que le confieren al microorganismo huésped alguna función beneficiosa para competir por un nicho ecológico. Estos plásmidos, cumplen una función particular y necesa...

Análisis de Perfil de Textura en Plátanos Pelipita, Hartón y Topocho

OpenAIRE

Granados, Clemente; Acevedo, Diofanor; Cabeza, Adis; Lozano, Adriana

2014-01-01

El objetivo de este trabajo fue evaluar la textura del plátano Pelipita (Musa ABB) crudo y cocido en comparación con plátanos crudos y cocidos Hartón verde (Musa AAB) y Topocho (Musa ABB del subgrupo Silver Bluggoe) mediante un análisis de perfil de textura. El estudio de la textura como propiedad física del alimento es de suma importancia para determinar la aceptabilidad del mismo. A muestras de plátanos Pelipita de la variedad Musa ABB se les aplicó un análisis del perfil de textura a tiemp...

Semiscale power loss experiment S-PL-3 with primary feed and bleed plant recovery

International Nuclear Information System (INIS)

Wolf, J.R.; Streit, J.E.

1984-01-01

This paper describes an attempt to verify the accuracy of the RELAP5 model of the S-PL-3 experiment (part of the Semiscale loss-of-offsite-power test series) by comparing the RELAP5 model with actual data obtained during the experiment. Included are a description of the experiment, an analysis of preliminary results, and the comparison of posttest RELAP5 calculations with experiment data. RELAP5 modeling of the S-PL-3 transient produced qualitative agreement with experiment data

[Intra-uterine growth restriction impact on maternal serum concentration of PlGF (placental growth factor): A case control study].

Science.gov (United States)

Margossian, A; Boisson-Gaudin, C; Subtil, F; Rudigoz, R-C; Dubernard, G; Allias, F; Huissoud, C

2016-01-01

Placental growth factor (PlGF) is a pro-angiogenic factor mainly assessed in preeclampsia in which its blood concentration is decreased. The aim of this study was to dose the blood concentration of PlGF in women with fetal intra-uterine growth restriction (IUGR) without associated preeclampsia at the time of diagnosis. Case/control study: IUGR was defined by a fetal biometry with abnormal uterine and/or umbilical doppler (n=23). This group was compared to a control group of fetuses (n=25) matched for gestational age at blood sampling for the dosage of maternal seric PlGF. Women with preeclampsia were not included. The plasma PlGF concentration was 11pg/mL (IQR [11-42,8]) in the IUGR group vs 287pg/mL [135-439] in the control group (P<0.001) and this difference was available after adjustment for gestational age at the time of blood sampling (P<0.001). PlGF sensitivity and specificity for discrimination were respectively 87% (CI 95% [66-97]) and 88% (CI 95% [69-97]). Maternal serum PlGF concentrations were very low in IUGR group compared with those of the control group. Copyright © 2015. Published by Elsevier SAS.

40 CFR 710.4 - Scope of the inventory.

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2010-07-01

... 40 Protection of Environment 30 2010-07-01 2010-07-01 false Scope of the inventory. 710.4 Section... ACT TSCA CHEMICAL INVENTORY REGULATIONS General Provisions § 710.4 Scope of the inventory. (a... is extracted from air by any means, will automatically be included in the inventory under the...

Industria del plástico en el noreste de México y Texas, 1995-2005

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Salvador Corrales C.

2010-01-01

Full Text Available En este artículo se compara el peso específico de la industria del plástico entreTexas y el noreste de México; ambas regiones son fabricantes de plástico, e interactúan a través de un comercio intenso, que las hace dependientes. También se comparan las tendencias de su producción, capacidades tecnológicas y localización geográfica para abastecer el mercado, entre otros aspectos. El crecimiento de esta industria le permitirá a México agregar valor a su petróleo. Las importaciones crecientes de resinas, junto con su participación escasa como proveedor de la industriamaquiladora de exportación generan la expectativa de un amplio mercado para el plástico; para lograrlo, necesita impulsar la petroquímica.

Placental Growth Factor (PlGF in Women with Suspected Pre-Eclampsia Prior to 35 Weeks' Gestation: A Budget Impact Analysis.

Directory of Open Access Journals (Sweden)

Suzy Duckworth

Full Text Available To model the resource implications of placental growth factor (PlGF testing in women with suspected pre-eclampsia prior to 35 weeks' gestation as part of a management algorithm, compared with current practice.Data on resource use from 132 women with suspected pre-eclampsia prior to 35 weeks' gestation, enrolled in a prospective observational cohort study evaluating PlGF measurement within antenatal assessment units within two UK consultant-led maternity units was extracted by case note review. A decision analytic model was developed using these data to establish the budget impact of managing women with suspected pre-eclampsia for two weeks from the date of PlGF testing, using a clinical management algorithm and reference cost tariffs. The main outcome measures of resource use (numbers of outpatient appointments, ultrasound investigations and hospital admissions were correlated to final diagnosis and used to calculate comparative management regimes.The mean cost saving associated with the PlGF test (in the PlGF plus management arm was £35,087 (95% CI -£33,181 to -£36,992 per 1,000 women. This equated to a saving of £582 (95% CI -552 to -£613 per woman tested. In 94% of iterations, PlGF testing was associated with cost saving compared to current practice.This analysis suggests PlGF used as part of a clinical management algorithm in women presenting with suspected pre-eclampsia prior to 35 weeks' gestation could provide cost savings by reducing unnecessary resource use. Introduction of PlGF testing could be used to direct appropriate resource allocation and overall would be cost saving.

Guidance on the management of polychlorinated biphenyls (PCBs)

Energy Technology Data Exchange (ETDEWEB)

1993-11-01

Polychlorinated biphenyls (PCBs) are a class of synthetic organic chemicals including 209 known isomers, each with from 1 to 10 chlorine atoms on a biphenyl ring. PCBs have a number of desirable properties for industrial applications including thermal stability, flame retardance, and low vapor pressure. Because of these properties, PCBs were widely used as dielectric fluid in electrical equipment such as utility transformers and capacitors. PCBs were also extensively used in hydraulic fluid and heat transfer fluid, in gaskets, as additives in cutting oils and lubricant, and in a variety of other uses. The Toxic Substances Control Act (TSCA) banned the manufacture of PCBs after 1978 in response to emerging information about the adverse health effects of PCBs and their persistence in the environment. In addition, TSCA directed the Administrator of the Environmental Protection Agency (EPA) to prescribe methods for disposal of PCBS, require marking of PCBs with warning labels, and control their use. The TSCA regulations allow continued use of PCBs provided that the use is totally enclosed and does not pose a risk to human health or the environment. However, at the end of their useful life, all PCB materials must be disposed of according to the TSCA regulations. This guidance document uses graphics and flow charts where possible to present the TSCA regulations according to management activities such as use, storage, disposal, and spill cleanup. The document is designed to be read on an as-needed basis; that is, each chapter can stand alone or may be read in combination with others to help the reader determine the regulations relevant to his or her individual situation and needs. Every attempt has been made to include the requirements of other statutes and regulations that apply to PCB materials and provide references for the reader to consult for additional information.

Comparative Analysis of EPA/DHA-PL Forage and Liposomes in Orotic Acid-Induced Nonalcoholic Fatty Liver Rats and Their Related Mechanisms.

Science.gov (United States)

Chang, Mengru; Zhang, Tiantian; Han, Xiuqing; Tang, Qingjuan; Yanagita, Teruyoshi; Xu, Jie; Xue, Changhu; Wang, Yuming

2018-02-14

Nonalcoholic fatty liver disease (NAFLD) has become one predictive factor of death from various illnesses. The present study was to comparatively investigate the effects of eicosapentaenoic acid-enriched and docosahexaenoic acid-enriched phospholipids forage (EPA-PL and DHA-PL) and liposomes (lipo-EPA and lipo-DHA) on NAFLD and demonstrate the possible protective mechanisms involved. The additive doses of EPA-PL and DHA-PL in all treatment groups were 1% of total diets, respectively. The results showed that Lipo-EPA could significantly improve hepatic function by down-regulating orotic acid-induced serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels by 55.6% and 34.2%, respectively (p DHA could also significantly suppress hepatic lipid accumulation mainly by enhancement of hepatic lipolysis and cholesterol efflux. Furthermore, DHA-PL played a certain role in inhibiting hepatic lipogenesis and accelerating cholesterol efflux. The results obtained in this work might contribute to the understanding of the biological activities of EPA/DHA-PL and liposomes and further investigation on its potential application values for food supplements.

Síntesis y biodegradación de polihidroxialcanoatos: plásticos de origen microbiano

OpenAIRE

GONZÁLEZ GARCÍA, Yolanda; MEZA CONTRERAS, Juan Carlos; GONZÁLEZ REYNOSO, Orfil; CÓRDOVA LÓPEZ, Jesús Antonio

2013-01-01

Los polihidroxialcanoatos (PHA) son biopoliésteres sintetizados intracelularmente por algunos microorganismos como reserva de carbono y energía que, una vez extraídos de la célula, presentan propiedades físicas similares a plásticos derivados del petróleo. A partir de la década de 1980 han sido estudiados intensivamente y actualmente siguen siendo un tema de investigación importante, sobre todo como sustitutos de los plásticos de origen petroquímico, ya que los PHA son completamente biodegrad...

Accuracy comparison of Pléiades satellite ortho-images using GPS ...

African Journals Online (AJOL)

Ivan Henrico

imagery to achieve a certain level of geometric accuracy are in literature well .... The Pléiades primary product can be described as the processing ..... This article studied the influence of two types of GCP collection methods on the accuracy of.

Offer a novel method for size appraise of NiO nanoparticles by PL analysis: Synthesis by sonochemical method

Directory of Open Access Journals (Sweden)

Seyid Javad Musevi

2016-05-01

Full Text Available In this work, we will discuss the optical properties of NiO nanoparticles that we have investigated recently by photoluminescence (PL spectroscopy. In particular, we will show the blue-shifts of PL, originating from the electron–hole recombination of the self-trapped exciton (STE, observed in smaller-sized NiO nanoparticles. To explain the size effect in relating to the STE PL shift, a question has been raised on whether it is appropriate to apply him quantum confinement (QC theory usually used for the Mott-Winner type excitons in semiconductors to wide band-gap material, such as silica. Variations in several parameters and their effects on the structural (crystal size and morphology properties of nanoparticles were investigated. Characterizations were carried out by X-ray diffraction (XRD, scanning electron microscopy (SEM, thermal stability (TGA and DTA, solid state UV and solid state florescent (PL.

Pl(17) is a novel gene independent of known downy mildew resistance genes in the cultivated sunflower (Helianthus annuus L.).

Science.gov (United States)

Qi, L L; Long, Y M; Jan, C C; Ma, G J; Gulya, T J

2015-04-01

Pl 17, a novel downy mildew resistance gene independent of known downy mildew resistance genes in sunflowers, was genetically mapped to linkage group 4 of the sunflower genome. Downy mildew (DM), caused by Plasmopara halstedii (Farl.). Berl. et de Toni, is one of the serious sunflower diseases in the world due to its high virulence and the variability of the pathogen. DM resistance in the USDA inbred line, HA 458, has been shown to be effective against all virulent races of P. halstedii currently identified in the USA. To determine the chromosomal location of this resistance, 186 F 2:3 families derived from a cross of HA 458 with HA 234 were phenotyped for their resistance to race 734 of P. halstedii. The segregation ratio of the population supported that the resistance was controlled by a single dominant gene, Pl 17. Simple sequence repeat (SSR) and single nucleotide polymorphism (SNP) primers were used to identify molecular markers linked to Pl 17. Bulked segregant analysis using 849 SSR markers located Pl 17 to linkage group (LG) 4, which is the first DM gene discovered in this linkage group. An F2 population of 186 individuals was screened with polymorphic SSR and SNP primers from LG4. Two flanking markers, SNP SFW04052 and SSR ORS963, delineated Pl 17 in an interval of 3.0 cM. The markers linked to Pl 17 were validated in a BC3 population. A search for the physical location of flanking markers in sunflower genome sequences revealed that the Pl 17 region had a recombination frequency of 0.59 Mb/cM, which was a fourfold higher recombination rate relative to the genomic average. This region can be considered amenable to molecular manipulation for further map-based cloning of Pl 17.

Asbestos-Containing Materials in Schools; Final Rule and Notice. Part III: Environmental Protection Agency. 40 CFR Part 763.

Science.gov (United States)

Federal Register, 1987

1987-01-01

The Environmental Protection Agency (EPA) has issued a final rule under the Toxic Substance Control Act (TSCA) to require all local education agencies (LEAs) to identify asbestos-containing materials in their school buildings and take appropriate action to control release of asbestos fibers. The LEAs are required to describe their activities in…

24 CFR 35.86 - Definitions.

Science.gov (United States)

2010-04-01

... purpose of selling or leasing target housing. This term does not apply to purchasers or any purchaser's... jurisdictions, of enforcing payment of a debt, by the taking and selling of real property. Housing for the... dwelling. TSCA means the Toxic Substances Control Act, 15 U.S.C. 2601. 0-bedroom dwelling means any...

40 CFR 750.30 - Applicability.

Science.gov (United States)

2010-07-01

... Processing and Distribution in Commerce Exemptions § 750.30 Applicability. Sections 750.30-750.41 apply to all rulemakings under authority of section 6(e)(3)(B) of the Toxic Substances Control Act (TSCA), 15 U.S.C. 2605(e)(3)(B) with respect to petitions for PCB processing and distribution in commerce...

75 FR 16706 - Proposed Significant New Use Rule for 1-Propene, 2,3,3,3-tetrafluoro-

Science.gov (United States)

2010-04-02

... most flammable refrigerants, including the PMN substance, in existing MVAC systems as a retrofit has... section 5(a)(2) of the Toxic Substances Control Act (TSCA) for the chemical substance identified as 1... substance for an activity that is designated as a significant new use to notify EPA at least 90 days before...

Kinetic energy dependence of carrier diffusion in a GaAs epilayer studied by wavelength selective PL imaging

Energy Technology Data Exchange (ETDEWEB)

Zhang, S. [University of North Carolina at Charlotte, Charlotte, NC 28223 (United States); Providence High School, Charlotte, NC 28270 (United States); Su, L.Q.; Kon, J. [University of North Carolina at Charlotte, Charlotte, NC 28223 (United States); Gfroerer, T. [Davidson College, Davidson, NC 28035 (United States); Wanlass, M.W. [National Renewable Energy Laboratory, Golden, CO 80401 (United States); Zhang, Y., E-mail: yong.zhang@uncc.edu [University of North Carolina at Charlotte, Charlotte, NC 28223 (United States)

2017-05-15

Photoluminescence (PL) imaging has been shown to be an efficient technique for investigating carrier diffusion in semiconductors. In the past, the measurement was typically carried out by measuring at one wavelength (e.g., at the band gap) or simply the whole emission band. At room temperature in a semiconductor like GaAs, the band-to-band PL emission may occur in a spectral range over 200 meV, vastly exceeding the average thermal energy of about 26 meV. To investigate the potential dependence of the carrier diffusion on the carrier kinetic energy, we performed wavelength selective PL imaging on a GaAs double hetero-structure in a spectral range from about 70 meV above to 50 meV below the bandgap, extracting the carrier diffusion lengths at different PL wavelengths by fitting the imaging data to a theoretical model. The results clearly show that the locally generated carriers of different kinetic energies mostly diffuse together, maintaining the same thermal distribution throughout the diffusion process. Potential effects related to carrier density, self-absorption, lateral wave-guiding, and local heating are also discussed.

The Leu33/Pro polymorphism (PlA1/PlA2) of the glycoprotein IIIa (GPIIIa) receptor is not related to myocardial infarction in the ECTIM Study. Etude Cas-Temoins de l'Infarctus du Myocarde.

Science.gov (United States)

Herrmann, S M; Poirier, O; Marques-Vidal, P; Evans, A; Arveiler, D; Luc, G; Emmerich, J; Cambien, F

1997-06-01

The GPIIb/IIIa receptor complex may contribute to acute coronary syndromes by mediating platelet aggregation. The Leu33/Pro polymorphism (PlA1/PlA2) of the GPIIIa has recently been shown to be associated with CHD in a small case-control study. We have investigated this polymorphism in a large multicenter study of patients with myocardial infarction and controls and found no difference in the distribution of allele and genotype frequencies between cases and controls.

Comparative PL study of individual ZnO nanorods, grown by APMOCVD and CBD techniques

Energy Technology Data Exchange (ETDEWEB)

Khranovskyy, Volodymyr, E-mail: volkh@ifm.liu.se [Department of Physics, Chemistry and Biology (IFM), Linkoeping University, 58183 Linkoeping (Sweden); Yakimova, Rositza; Karlsson, Fredrik; Syed, Abdul S.; Holtz, Per-Olof [Department of Physics, Chemistry and Biology (IFM), Linkoeping University, 58183 Linkoeping (Sweden); Nigussa Urgessa, Zelalem [Department of Physics, P.O Box 77000, Nelson Mandela Metropolitan University, Port Elizabeth 6031 (South Africa); Samuel Oluwafemi, Oluwatobi [Department of Chemistry and Chemical Technology, Walter Sisulu University, Mthatha Campus, Private Bag XI 5117 (South Africa); Reinhardt Botha, Johannes [Department of Physics, P.O Box 77000, Nelson Mandela Metropolitan University, Port Elizabeth 6031 (South Africa)

2012-05-15

The photoluminescence properties of individual ZnO nanorods, grown by atmospheric pressure metalorganic chemical vapor deposition (APMOCV) and chemical bath deposition (CBD) are investigated by means of temperature dependent micro-PL. It was found that the low temperature PL spectra are driven by neutral donor bound exciton emission D{sup 0}X, peaked at 3.359 and 3.363 eV for APMOCVD and CBD ZnO nanorods, respectively. The temperature increase causes a red energy shift of the peaks and enhancement of the free excitonic emission (FX). The FX was found to dominate after 150 K for both samples. It was observed that while APMOCVD ZnO nanorods possess a constant low signal of visible deep level emission with temperature, the ZnO nanorods grown by CBD revealed the thermal activation of deep level emission (DLE) after 130 K. The resulting room temperature DLE was a wide band located at 420-550 nm. The PL properties of individual ZnO nanorods can be of importance for their forthcoming application in future optoelectronics and photonics.

Comparative PL study of individual ZnO nanorods, grown by APMOCVD and CBD techniques

International Nuclear Information System (INIS)

Khranovskyy, Volodymyr; Yakimova, Rositza; Karlsson, Fredrik; Syed, Abdul S.; Holtz, Per-Olof; Nigussa Urgessa, Zelalem; Samuel Oluwafemi, Oluwatobi; Reinhardt Botha, Johannes

2012-01-01

The photoluminescence properties of individual ZnO nanorods, grown by atmospheric pressure metalorganic chemical vapor deposition (APMOCV) and chemical bath deposition (CBD) are investigated by means of temperature dependent micro-PL. It was found that the low temperature PL spectra are driven by neutral donor bound exciton emission D 0 X, peaked at 3.359 and 3.363 eV for APMOCVD and CBD ZnO nanorods, respectively. The temperature increase causes a red energy shift of the peaks and enhancement of the free excitonic emission (FX). The FX was found to dominate after 150 K for both samples. It was observed that while APMOCVD ZnO nanorods possess a constant low signal of visible deep level emission with temperature, the ZnO nanorods grown by CBD revealed the thermal activation of deep level emission (DLE) after 130 K. The resulting room temperature DLE was a wide band located at 420–550 nm. The PL properties of individual ZnO nanorods can be of importance for their forthcoming application in future optoelectronics and photonics.

Pro-106-Ser mutation and EPSPS overexpression acting together simultaneously in glyphosate-resistant goosegrass (Eleusine indica).

Science.gov (United States)

Gherekhloo, Javid; Fernández-Moreno, Pablo T; Alcántara-de la Cruz, Ricardo; Sánchez-González, Eduardo; Cruz-Hipolito, Hugo E; Domínguez-Valenzuela, José A; De Prado, Rafael

2017-07-27

Glyphosate has been used for more than 15 years for weed management in citrus groves in the Gulf of Mexico, at up to 3-4 applications per year. Goosegrass (Eleusine indica (L.) Gaertn.) control has sometimes failed. In this research, the mechanisms governing three goosegrass biotypes (Ein-Or from an orange grove, and Ein-Pl1 and Ein-Pl2 from Persian lime groves) with suspected resistance to glyphosate were characterized and compared to a susceptible biotype (Ein-S). Dose-response and shikimate accumulation assays confirmed resistance of the resistant (R) biotypes. There were no differences in glyphosate absorption, but the R biotypes retained up to 62-78% of the herbicide in the treated leaf at 96 h after treatment (HAT), in comparison to the Ein-S biotype (36%). The 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) activity in the Ein-Or and Ein-S biotypes was over 100-fold lower than the Ein-Pl1 and Ein-Pl2 ones. The latter showed a high EPSPS-basal activity, a mutation at Pro-106-Ser position in the EPSPS gene, and EPSPS overexpression. The EPSPS basal and EPSPS overexpression were positively correlated. The R goosegrass biotypes displayed poor glyphosate translocation. Furthermore, this grassweed showed, for the first time, two mechanisms at the target-site level (Pro-106-Ser mutation + EPSPS overexpression) acting together simultaneously against glyphosate.

International P/L Insurance Output, Input, and Productivity Comparisons

OpenAIRE

Mary A. Weiss

1991-01-01

This research provides (bilateral) divisia and multilateral divisia indexes of output, input, and productivity for the property-liability (P-L) insurance industry for the following countries: United States, West Germany, Switzerland, France, and Japan. The time period studied is 1975 to 1987. The results indicate that considerable diversity exists among different countries, with Japan showing the weakest productivity growth. The United States and West Germany are associated overall with high ...

Genetics and mapping of a novel downy mildew resistance gene, Pl(18), introgressed from wild Helianthus argophyllus into cultivated sunflower (Helianthus annuus L.).

Science.gov (United States)

Qi, L L; Foley, M E; Cai, X W; Gulya, T J

2016-04-01

A novel downy mildew resistance gene, Pl(18), was introgressed from wild Helianthus argophyllus into cultivated sunflower and genetically mapped to linkage group 2 of the sunflower genome. The new germplasm, HA-DM1, carrying Pl(18) has been released to the public. Sunflower downy mildew (DM) is considered to be the most destructive foliar disease that has spread to every major sunflower-growing country of the world, except Australia. A new dominant downy mildew resistance gene (Pl 18) transferred from wild Helianthus argophyllus (PI 494573) into cultivated sunflower was mapped to linkage group (LG) 2 of the sunflower genome using bulked segregant analysis with 869 simple sequence repeat (SSR) markers. Phenotyping 142 BC1F2:3 families derived from the cross of HA 89 and H. argophyllus confirmed the single gene inheritance of resistance. Since no other Pl gene has been mapped to LG2, this gene was novel and designated as Pl (18). SSR markers CRT214 and ORS203 flanked Pl(18) at a genetic distance of 1.1 and 0.4 cM, respectively. Forty-six single nucleotide polymorphism (SNP) markers that cover the Pl(18) region were surveyed for saturation mapping of the region. Six co-segregating SNP markers were 1.2 cM distal to Pl(18), and another four co-segregating SNP markers were 0.9 cM proximal to Pl(18). The new BC2F4-derived germplasm, HA-DM1, carrying Pl(18) has been released to the public. This new line is highly resistant to all Plasmopara halstedii races identified in the USA providing breeders with an effective new source of resistance against downy mildew in sunflower. The molecular markers that were developed will be especially useful in marker-assisted selection and pyramiding of Pl resistance genes because of their close proximity to the gene and the availability of high-throughput SNP detection assays.

An Introduction to the DA-T Gibbs Sampler for the Two-Parameter Logistic (2PL Model and Beyond

Directory of Open Access Journals (Sweden)

Gunter Maris

2005-01-01

Full Text Available The DA-T Gibbs sampler is proposed by Maris and Maris (2002 as a Bayesian estimation method for a wide variety of Item Response Theory (IRT models. The present paper provides an expository account of the DAT Gibbs sampler for the 2PL model. However, the scope is not limited to the 2PL model. It is demonstrated how the DA-T Gibbs sampler for the 2PL may be used to build, quite easily, Gibbs samplers for other IRT models. Furthermore, the paper contains a novel, intuitive derivation of the Gibbs sampler and could be read for a graduate course on sampling.

Hidratación oral con una solución a base de harina de plátano precocida con electrolitos estandarizados.

Directory of Open Access Journals (Sweden)

Carlos Bernal

2005-03-01

Full Text Available Objetivo. El objetivo del presente trabajo fue determinar si una solución de hidratación oral a base de harina de plátano precocida con electrolitos, además de ser efectiva para tratar la deshidratación, tiene propiedades antidiarreicas. Material y métodos. Se incluyeron 101 niños con edades entre 1 y 41 meses con diarrea de menos de una semana y deshidratación leve, y sin complicaciones asociadas. El grupo 1 (54 niños recibió sales de rehidratación oral de la Organización Mundial de la Salud (SRO/OMS; el grupo 2 (47 niños recibió solución con concentraciones de electrolitos similares pero que, en lugar de la glucosa, contiene 50 g de harina de plátano precocida (sales de rehidratación oral/plátano (SRO/plátano. Resultados. Se hidrató con éxito el 94,4% de los niños en el grupo SRO/OMS, y el 91,5% (p=0,70 del grupo SRO/plátano. El tiempo necesario para lograr la hidratación fue de 5,8 horas (DE=±3,0 en el grupo SRO/OMS y de 6,2 horas (DE:±3,7 en el grupo SRO/plátano (p=0,31. El gasto fecal hasta alcanzar la hidratación en el grupo SRO/OMS fue de 7,5 g/kg por hora (DE=±7,6, y en el grupo SRO/plátano de 7,05 g/kg por hora (DE=±9,4 (p=0,78. No hubo diferencia significativa en el sodio plasmático. El período de observación para el grupo SRO/OMS fue de 22,3 horas (DE=±5,3, y de 22,7 horas (DE=±4,7 para el grupo SRO/plátano. El gasto fecal durante el período de observación fue de 5,7 g/kg por hora (DE=±4,7 para el grupo SRO/OMS y de 6,3 g/kg por hora (DE=±7,9 para el grupo SRO/plátano (p=0,67. La proporción de niños que necesitaron líquidos endovenosos durante las primeras veinticuatro horas fue de 11,1% en el grupo SRO/OMS y de 8,5% en el grupo SRO/plátano (RR=1,31; C 95%: 0,39 a 4,35. Conclusiones. La solución a base de harina de plátano es efectiva y segura para corregir la deshidratación. No se pudo demostrar en este estudio el efecto antidiarreico de la solución a base de harina de plátano.

Parent and child acceptability and staff evaluation of K-SADS-PL

DEFF Research Database (Denmark)

Sørensen, Merete Juul; Thomsen, Per Hove; Bilenberg, Niels

2007-01-01

Standardised diagnostic interviews are used increasingly in child and adolescent psychiatry; yet little is known about the attitudes towards such interviews among parents, children and staff members. In this study, we have aimed to assess (1) the K-SADS-PL's acceptability to parents and children (2...

The brown algae Pl.LSU/2 group II intron-encoded protein has functional reverse transcriptase and maturase activities.

Directory of Open Access Journals (Sweden)

Madeleine Zerbato

Full Text Available Group II introns are self-splicing mobile elements found in prokaryotes and eukaryotic organelles. These introns propagate by homing into precise genomic locations, following assembly of a ribonucleoprotein complex containing the intron-encoded protein (IEP and the spliced intron RNA. Engineered group II introns are now commonly used tools for targeted genomic modifications in prokaryotes but not in eukaryotes. We speculate that the catalytic activation of currently known group II introns is limited in eukaryotic cells. The brown algae Pylaiella littoralis Pl.LSU/2 group II intron is uniquely capable of in vitro ribozyme activity at physiological level of magnesium but this intron remains poorly characterized. We purified and characterized recombinant Pl.LSU/2 IEP. Unlike most IEPs, Pl.LSU/2 IEP displayed a reverse transcriptase activity without intronic RNA. The Pl.LSU/2 intron could be engineered to splice accurately in Saccharomyces cerevisiae and splicing efficiency was increased by the maturase activity of the IEP. However, spliced transcripts were not expressed. Furthermore, intron splicing was not detected in human cells. While further tool development is needed, these data provide the first functional characterization of the PI.LSU/2 IEP and the first evidence that the Pl.LSU/2 group II intron splicing occurs in vivo in eukaryotes in an IEP-dependent manner.

Interventions to Encourage and Facilitate Greener Industrial Chemicals Selection

OpenAIRE

Faulkner, David

2017-01-01

Despite their ubiquity in modern life, industrial chemicals are poorly regulated in the United States. Statutory law defines industrial chemicals as chemicals that are not foods, drugs, cosmetics, nor pesticides, but may be used in consumer products, and this distinction places them under the purview of the Toxic Substances Control Act (TSCA), which received a substantial update when the US congress passed a revision of the act in 2016. The revised law, the Frank R. Lautenberg Chemical Safety...

Evaluation of intra-articular injection of autologous platelet lysate (PL) in horses with osteoarthritis of the distal interphalangeal joint.

Science.gov (United States)

Tyrnenopoulou, Panagiota; Diakakis, Nikolaos; Karayannopoulou, Maria; Savvas, Ioannis; Koliakos, Georgios

2016-06-01

Regenerative medicine has become one of the most promising therapies of equine osteoarthritis. Platelet lysate (PL) is rich in bioactive proteins and growth factors that play a crucial role in tissue healing. To evaluate the efficacy of intra-articularly injected autologous PL in equine athletes with naturally occurring osteoarthritis. Fifteen warmblood geldings aged 8-19 years with osteoarthritis of the distal interphalangeal joint were included in this study. They were randomly divided into two groups; 10 horses received intra-articular injections of PL and 5 of normal saline (controls). Before treatment, platelet-derived growth factor (PDGF) levels in basal plasma and prepared PL were estimated. Each joint was injected twice within a three-week period. Lameness was evaluated using the American Association of Equine Practitioners grading system, before treatment and 10 days after each intra-articular injection. Horses were examined fortnightly for one year. Radiographic examination was performed six months post-treatment. The generalized estimating equation test was used for statistical analysis. Acceptable levels of PDGF were detected in PLs (mean ± SD: 258.0 ± 52.3 pg/ml). The majority of horses (9/10) responded positively to PL treatment presenting lower lameness grades (p < 0.0005) compared to controls 10 days after the second injection, and returned to normal athletic activity. Radiographs revealed no changes in osteoarthritis lesions six months after treatment. One year post-injections, however, all horses relapsed to their initial degree of lameness. Intra-articularly injected autologous PL is an efficient method for temporarily managing osteoarthritis of the distal interphalangeal joint in athletic horses.

O Ensino da Cirurgia Plástica na Graduação em Medicina no Contexto da Realidade Brasileira

Directory of Open Access Journals (Sweden)

Julio Wilson Fernandes

Full Text Available RESUMO Apesar do grande número de cirurgiões plásticos no Brasil, o formando egresso/médico generalista necessita conhecimentos de Cirurgia Plástica que possibilitem sua adequada atuação em situações de emergência ou eletivas, referindo pacientes ou proporcionando proteção e suporte básico da vida. Esta educação deve ainda considerar o ambiente socioeconômico brasileiro, suas necessidades e limitações na escolha das atitudes, habilidades e conhecimentos em Cirurgia Plástica que o aluno deve absorver na escola médica. O ensino da Cirurgia Plástica na graduação requer esta ótica particular, além de levar ao estudante de Medicina o espectro integral da especialidade, estimulando vocações para a adequada residência médica e posterior titulação como especialista. Este artigo apresenta o programa de Cirurgia Plástica e a metodologia de ensino que vêm sendo oferecidos aos alunos do curso de Medicina da Universidade Positivo, em Curitiba, há dez anos, por meio da integração das disciplinas Clínica Cirúrgica II e Cirurgia Ambulatorial. As avaliações institucionais discentes, relatos pedagógicos de situações extracurriculares vivenciadas por alunos e a existência de cinco especialistas/residentes em Cirurgia Plástica entre 265 ex-alunos inicialmente formados sugerem uma produtiva funcionalidade do programa apresentado.

A Study on the Pricing Model for 3PL of Inventory Financing

Directory of Open Access Journals (Sweden)

Zhilan Song

2016-01-01

Full Text Available Being a new research area, logistics finance solves the contradiction between banks and SMEs (small and medium enterprises about financing; it is beneficial to financial market and logistics market development too. As a service innovation, it unites the interests of bank, 3PL (third-party logistics providers, and SMEs and integrates material, finance, and information. Logistics finance has been developed in recent years in China, but the research is not enough on 3PL enterprises. On the background of that, the paper makes a research in the field of logistics finance with different pricing methods, based on the perspective of third-party logistics enterprises. This paper proposes a pricing model of inventory financing that can maximize the cash flow of 3PL enterprise, when the default rate of the small- and medium-sized enterprise is affected by the pledge price. And then this paper studies the model of inventory financing that can maximize the cash flow of enterprise under the condition of the existence of cash discount rate. The core factors affecting the loan-to-value ratio were established through analysis of mathematical model. We also consider the loan-to-value ratio of cash discount rate in the model. Results show that in the pledge of the known function and cash discount the price change can be calculated to meet enterprise cash flow lending rates and get biggest loan-to-value ratio.

EXAMPLE OF A RISK-BASED DISPOSAL APPROVAL: SOLIDIFICATION OF HANFORD SITE TRANSURANIC (TRU) WASTE

International Nuclear Information System (INIS)

PRIGNANO AL

2007-01-01

The Hanford Site requested, and the U.S. Environmental Protection Agency (EPA) Region 10 approved, a Toxic Substances Control Act of 1976 (TSCA) risk-based disposal approval (RBDA) for solidifying approximately four cubic meters of waste from a specific area of one of the K East Basin: the North Loadout Pit (NLOP). The NLOP waste is a highly radioactive sludge that contained polychlorinated biphenyls (PCBs) regulated under TSCA. The prescribed disposal method for liquid PCB waste under TSCA regulations is either thermal treatment or decontamination. Due to the radioactive nature of the waste, however, neither thermal treatment nor decontamination was a viable option. As a result, the proposed treatment consisted of solidifying the material to comply with waste acceptance criteria at the Waste Isolation Pilot Plant (WPP) in Carlsbad, New Mexico, or possibly the Environmental Restoration Disposal Facility at the Hanford Site, depending on the resulting transuranic (TRU) content of the stabilized waste. The RBDA evaluated environmental risks associated with potential airborne PCBs. In addition, the RBDA made use of waste management controls already in place at the treatment unit. The treatment unit, the T Plant Complex, is a Resource Conservation and Recovery Act of 1976 (RCRA)-permitted facility used for storing and treating radioactive waste. The EPA found that the proposed activities did not pose an unreasonable risk to human health or the environment. Treatment took place from October 26,2005 to June 9,2006, and 332 208-liter (55-gallon) containers of solidified waste were produced. All treated drums assayed to date are TRU and will be disposed at WIPP

Off-site shipment request development and review plan

International Nuclear Information System (INIS)

1992-05-01

On May 17, 1991, Department of Energy Headquarters (DOE-HQ) imposed a moratorium on the shipment of all Resource Conservation and Recovery Act (RCRA) hazardous and Toxic Substances Control Act (TSCA) waste to commercial treatment, storage and disposal facilities. The moratorium was imposed after it was discovered that some shipments of RCRA and TSCA waste from Department of Energy (DOE) sites contained small quantities of radioactive and special nuclear material (SNM). The shipment of these wastes has been attributed to inconsistent and possibly erroneous interpretation of DOE Orders and guidance. In an effort to clarify existing DOE Orders and guidance and establish throughout the DOE complex, June 21, 1991, DOE-HQ issued in draft the Performance Objective for Certification of Non-Radioactive Hazardous Waste. This Performance Objective was subsequently approved on November 15, 1991. The Performance Objective contains specific requirements that must be net to allow the shipment of RCRA and TSCA waste for commercial treatment, storage and disposal. On July 16, 1991, based on the initial draft of the Performance Objective, Martin Marietta Energy Systems (MMES) issued a directive which applies the Performance Objective requirements to all wastes and materials. In addition, this MMES directive imposed the requirement for a review by a Central Waste Management (CWM) Readiness Review Board (RRB). Additional DOE and MMES guidance and directives have been issued since May 17, 1991. This plan applies to all waste destined for shipment from the Portsmouth Gaseous Diffusion Plant (PORTS) to off-site commercial treatment, storage and disposal facilities, and to all materials destined for recycle, surplus and salvage

Modification indices for the 2-pl and the nominal response model

NARCIS (Netherlands)

Glas, Cornelis A.W.

1999-01-01

In this paper, it is shown that various violations of the 2-PL model and the nominal response model can be evaluated using the Lagrange multiplier test or the equivalent efficient score test. The tests presented here focus on violation of local stochastic independence and insufficient capture of the

Comparison of two methods for extraction of volatiles from marine PL emulsions

DEFF Research Database (Denmark)

Lu, Henna Fung Sieng; Nielsen, Nina Skall; Jacobsen, Charlotte

2013-01-01

The dynamic headspace (DHS) thermal desorption principle using Tenax GR tube, as well as the solid phase micro‐extraction (SPME) tool with carboxen/polydimethylsiloxane 50/30 µm CAR/PDMS SPME fiber, both coupled to GC/MS were implemented for the isolation and identification of both lipid...... and Strecker derived volatiles in marine phospholipids (PL) emulsions. Comparison of volatile extraction efficiency was made between the methods. For marine PL emulsions with a highly complex composition of volatiles headspace, a fiber saturation problem was encountered when using CAR/PDMS‐SPME for volatiles...... analysis. However, the CAR/PDMS‐SPME technique was efficient for lipid oxidation analysis in emulsions of less complex headspace. The SPME method extracted volatiles of lower molecular weights more efficient than the DHS method. On the other hand, DHS Tenax GR appeared to be more efficient in extracting...

Modification and expansion of X-7725A Waste Accountability Facility for storage of polychlorinated biphenyl wastes at Portsmouth Gaseous Diffusion Plant, Piketon, Ohio

International Nuclear Information System (INIS)

1995-11-01

The US Department of Energy (DOE) must manage wastes containing polychlorinated biphenyls (PCBs) in accordance with Toxic Substances Control Act (TSCA) requirements and as prescribed in a Federal Facilities Compliance Agreement (FFCA) between DOE and the U.S. Environmental Protection Agency (EPA). PCB-containing wastes are currently stored in the PORTS process buildings where they are generated. DOE proposes to modify and expand the Waste Accountability facility (X-7725A) at the Portsmouth Gaseous Diffusion Plant (PORTS), Piketon, Ohio, to provide a central storage location for these wastes. The proposed action is needed to eliminate the fire and safety hazards presented by the wastes. In this EA, DOE considers four alternatives: (1) no action, which requires storing wastes in limited storage areas in existing facilities; (2) modifying and expanding the X-7725A waste accountability facility; (3) constructing a new PCB waste storage building; and (4) shipping PCB wastes to the K-25 TSCA incinerator. If no action is taken, PCB-contaminated would continue to be stored in Bldgs X-326, X-330, and X-333. As TSCA cleanup activities continue, the quantity of stored waste would increase, which would subsequently cause congestion in the three process buildings and increase fire and safety hazards. The preferred alternative is to modify and expand Bldg. X-7725A to store wastes generated by TSCA compliance activities. Construction, which could begin as early as April 1996, would last approximately five to seven months, with a total peak work force of 70

Uzņēmuma ienākuma nodokļa tiesiskas plānošanas iespējas

OpenAIRE

Liscova, Nataļja

2014-01-01

Bakalaura darbā tiek analizētas uzņēmumu ienākuma nodokļa plānošanas iespējas, ko piedāvā Latvijas Republikas normatīvie akti. Problēmas būtība ir nošķirt divus jēdzienus: nodokļu plānošana un izvairīšanās no nodokļu maksāšanas. Pētījuma mērķis ir saprast kādas uzņēmuma ienākuma nodokļa plānošanas iespējas piedāvā Latvijas Republikas likums „Par uzņēmumu ienākuma nodokli” (turpmāk tekstā – likums), kādas ir nodokļu plānošanas iespējas starptautiskajā līmenī, kā arī apkopojot pētījuma ...

Teorizações dos docentes sobre a avaliação em Artes Plásticas Teorizaciones de los docentes sobre la evaluación en artes plásticas Teachers theories on art evaluation

Directory of Open Access Journals (Sweden)

Suzana Maria Ortiz dos Santos

2004-12-01

Full Text Available O propósito deste texto é apresentar em síntese a tese "Teorizações dos docentes sobre a avaliação em Artes Plásticas", que busca indagar e compreender o pensamento do professor de Artes Plásticas na avaliação dos alunos da 5ª série do Ensino Fundamental no Brasil. Este estudo enquadra-se em um enfoque qualitativo não experimental de tipo exploratório. Através das entrevistas com os professores, a declaração do docente considerada "uma ação mediada pela palavra", buscou-se as teorias implícitas a fim de tornarem-se explícitos os marcos de referência do professor de Artes Plásticas e compreender como ele percebe, pensa, teoriza e compreende sobre a avaliação nas Artes Plásticas. O interesse do investigador foi desafiar um campo pouco revisto, que é o campo da Psicologia, da Arte e da Didática, buscando um ponto onde se encontram o psicológico, o didático e o artístico. As escolas públicas municipais do Rio de Janeiro foram o lugar de trabalho. Das declarações obtidas nesta investigação, chega-se a determinados resultados: os dados trazem evidências de que na escola a atividade de avaliar nas Artes Plásticas consiste na atribuição de um juízo de valor a uma realidade observada; no processo de avaliação nas Artes Plásticas busca-se uma ação reflexiva, "o avaliar" dentro da proposta da avaliação diagnóstica e formativa; o conhecimento do professor pode ser considerado um conhecimento leigo e também como teorias pedagógicas pessoais (teorias implícitas, estas nem sempre percebidas pelos professores, porém fazem parte de um papel importante na organização do conhecimento do professor.El propósito de este texto es el de presentar en síntesis la investigación "Teorizaciones de los docentes sobre la evaluación en Artes Plásticas", que busca indagar y comprender el pensamiento del docente de Artes Plásticas en la evaluación de los alumnos del segundo ciclo de la enseñanza básica (5ª s

Análisis plástico y Ensayos de Losas multidireccionales de HRFA

Directory of Open Access Journals (Sweden)

Maturana, A.

2014-09-01

Full Text Available This paper presents a theoretical and experimental study of multidirectional steel fibers reinforced concrete slabs (SFRC. The study is based on a real building application using SFRC flag slabs. For the evaluation of the slabs bearing capacity, plastic calculations are performed both at section and structure levels. The section analysis uses the perfect plastic stress-strain diagram, with reference to the values of the strength characteristics of SFRC based on previous jobs that used similar fibers and dosages. In the structure analysis the plastic yield lines method has been used. This method relates the section last bearing moment and the plastic collapse load. The experimental campaign has consisted of the testing of six 2 m. diameter circular shaped slabs prototypes, and has allowed to verify the reference resistance used in the calculations.En este trabajo se realiza un estudio teórico- experimental de losas multidireccionales de hormigón reforzado con fibras de acero (HRFA. El estudio se enmarca en una aplicación de un edificio real usando HRFA en los forjados. Para la evaluación de la capacidad resistente de las losas, se realizan cálculos plásticos, tanto a nivel de sección como de estructura. A nivel de sección se emplea el diagrama tensión-deformación plástico perfecto, tomando como referencia los valores de las características resistentes del HRFA aportados en trabajos anteriores que emplearon fibras y dosificaciones similares. A nivel de estructura se emplea el método plástico de las líneas de rotura, que relaciona el momento último de la sección la carga de colapso plástico. La campaña experimental, consiste en ensayar seis prototipos en forma de loseta circular de 2 m de diámetro, verificando el valor de la resistencia de referencia empleada en los cálculos.

Complement activation cascade triggered by PEG-PL engineered nanomedicines and carbon nanotubes: The challenges ahead

DEFF Research Database (Denmark)

Moghimi, S.M.; Andersen, Alina Joukainen; Hashemi, S.H.

2010-01-01

reactions to certain PEG-PL engineered nanomedicines in both experimental animals and man. These reactions are classified as pseudoallergy and may be associated with cardiopulmonary disturbance and other related symptoms of anaphylaxis. Recent studies suggest that complement activation may be a contributing......, but not a rate limiting factor, in eliciting hypersensitivity reactions to such nanomedicines in sensitive individuals. This is rather surprising since PEGylated structures are generally assumed to suppress protein adsorption and blood opsonization events including complement. Here, we examine the molecular...... basis of complement activation by PEG-PL engineered nanomedicines and carbon nanotubes and discuss the challenges ahead....

Dziennikarze obywatelscy czy sprzedawcy rozrywki? Rzecz o Demotywatorach.pl

Directory of Open Access Journals (Sweden)

Agnieszka Barczyk

2015-11-01

Full Text Available The Polish Web site called Demotywatory.pl was established in 2008. It is a response to popular in the USA Motivators. Nowadays thousands of Internet users visit this Web site every day. Currently we have to redefine the basic categories: the text, the sender, the recipient. „Demot” is a specific message (interesting picture and intelligent buzzword Anyone can become a virtual publicist and say about important issues. This article tries to answer on the title question.

Plástica mitral Mitral repair

Directory of Open Access Journals (Sweden)

Domingo M Braile

1990-08-01

Full Text Available Foram estudados 101 pacientes submetidos a plástica da valva mitral em seis anos, com seguimento de 100%. Entre eles, 36 eram do sexo masculino e 65 do sexo feminino, com idade variando de dois a 62 anos (M = 28 ± 16,4. Desses, 57 (56,4% foram submetidos apenas a abordagem valvar mitral. Os demais foram submetidos a procedimentos associados, como plástica tricúspide (9,9%, revascularização do miocárdio (4,0%, entre outros. Não foi registrado óbito imediato. O índice de mortalidade tardia foi de 2% (AVC hemorrágico após cinco anos e septicemia, no primeiro ano. As complicações não fatais foram representadas pela endocardite evidenciada em dois pacientes (2%, sendo tratados e curados, e um paciente com reestenose mitral pós-plástica por reagudização da doença reumática. O estudo atuarial revelou um índice de 79,0 ± 17,7% de sobrevida, um total de 76,3 ± 17,8% de pacientes livres de complicações, 80,0 ± 17,9% de reoperações, 100,0% livres de tromboembolismo. Os resultados ecodoplercardiográficos registraram que 89% dos pacientes evoluíram com ausência de insuficiência. Dos 11% restantes, 7,4% apresentram insuficiência mitral discreta, 2,4% moderada e 2% importante. De acordo com a classificação da NYHA, os pacientes das classes III (83,8% e IV (16,2% passaram para as classes I (33,3%, II (60,6%, III (4,1% e IV (2%. Os autores concluem que o anel de pericárdio flexível conforma-se perfeitamente com o anel valvar, não produz hemólise e se endoteliza completamente a médio prazo.A hundred-and-one patients were studied in six years, with 100% of follow-up. Among them, 36 were male and 65 female, with an age range of two to 62 years (mean 28 ± 16.4%. Fifty seven of them (56.4% underwent just a mitral surgery, the others and other associated procedures, as tricuspid plastic (9.9%, coronary artery revascularization (4.0%, among others. Hospital mortality was not registered. The late mortality rate was 2% for AVC

Podnikatelský plán - Založení internetového obchodu se sportovní halovou obuví

OpenAIRE

Možnár, Aleš

2014-01-01

Diplomová práca sa zaoberá zostavením realistického podnikateľského plánu na založenie internetového obchodu so športovou halovou obuvou. Podkladom pre návrh podnikateľského plánu je detailná analýza tržného prostredia a vlastných zdrojov. Cieľom tejto práce je posúdiť realizovateľnosť podnikateľského plánu, odhaliť jeho úzke miesta a riziká. The diploma thesis deals with formulating a realistic business plan for setting up online shop with indoor sport footware. This business plan proposa...

PL-MOD: a computer code for modular fault tree analysis and evaluation

International Nuclear Information System (INIS)

Olmos, J.; Wolf, L.

1978-01-01

The computer code PL-MOD has been developed to implement the modular methodology to fault tree analysis. In the modular approach, fault tree structures are characterized by recursively relating the top tree event to all basic event inputs through a set of equations, each defining an independent modular event for the tree. The advantages of tree modularization lie in that it is a more compact representation than the minimal cut-set description and in that it is well suited for fault tree quantification because of its recursive form. In its present version, PL-MOD modularizes fault trees and evaluates top and intermediate event failure probabilities, as well as basic component and modular event importance measures, in a very efficient way. Thus, its execution time for the modularization and quantification of a PWR High Pressure Injection System reduced fault tree was 25 times faster than that necessary to generate its equivalent minimal cut-set description using the computer code MOCUS

Technical Training: Programmation Unity-Pro pour utilisateurs de Schneider PL7-Pro

CERN Multimedia

Monique Duval

2004-01-01

Annonce de nouveau cours pour l'environnement d'automatisme Schneider Un nouveau cours sur les environnements d'automatisme Premium et Quantum de Schneider est maintenant offert dans le cadre de l'Enseignement technique du CERN, afin de découvrir le nouvel outil de programmation Unity. Cette formation, mise en place par le GUAPI (Groupe des utilisateurs d'automates programmables industriels du CERN), sera essentiellement technique et pratique, destinée aux automaticiens concepteurs, metteurs en oeuvre, installateurs, intégrateurs et techniciens de bureau d'études. Ce cours est ouvert aux personnes étant déjà capables de développer une application PL7-Pro sur TSX Premium, ou ayant suivi le stage AP571. Objectifs : Maîtriser rapidement les différences fonctionnelles d'Unity-Pro par rapport à PL7-Pro; programmer en PLC TSX Premium sous Unity, et notamment connaître l'ensemble des l...

Public Law 94-142, Education for All Handicapped Children Act: Some Plain Talk Pursuant to the Role of Institutions of Higher Education.

Science.gov (United States)

Frith, Greg

The presentation addresses the implications of P.L. 94-142, the Education for All Handicapped Children Act, for institutions of higher education that are concerned with special education personnel preparation. After a review of literature, the supply and demand situation as it pertains to teachers of exceptional children is discussed and quality…

Particularidades del cálculo de engranajes plásticos. // Particularities of plastic gear calculation.

Directory of Open Access Journals (Sweden)

J. L. Moya Rodríguez

2003-05-01

Full Text Available En los últimos tiempos los materiales plásticos han tenido una proliferación en todos los campos de la Industria Mecánica,debido esencialmente a su bajo costo y a las mejoras de las propiedades mecánicas que se han ido logrando. En el casoparticular de las transmisiones por engranajes existe una gran cantidad de estos materiales que pueden ser usados y dehecho se utilizan para la fabricación de ruedas dentadas de características muy disímiles. En la literatura científica existemuy poca información disponible sobre las fallas de engranajes plásticos, métodos de calculo a resistencia y posiblesmateriales a emplear con sus respectivas propiedades mecánicas. Inclusive este tema no se aborda en los currículos deestudio tradicionales en Ibero-América. Queda mucho por discutir aun acerca del empleo de las correcciones del dentado enestas ruedas dentadas plásticas. En el presente trabajo se hace un análisis de los materiales, características, estudio de lasfallas principales, métodos de calculo y ejemplos de aplicación de los engranajes plásticos.Palabras claves: Plásticos, engranes, perfil dentado.__________________________________________________________________________Abstract.Recently the use of plastic materials has been growing up due to their low cost and the improvements achieved on theirmechanical properties. In the particular case of gear transmissions there are great quantities of polymers that can be usedfor gears. Plastic gears are powerful means of cutting drive cost, weight, noise, and wear. Plastic gears also open newopportunities for smaller and more efficient transmissions. There is few information in Scientific literature about plasticgears failures, designing methods and materials. Most engineering reference books are desicated to steel gears but there areremarkably silent about plastic gears. Design methods for plastic gears and gear trains must be modernized, because muchof the information available is derived

The cross-pathway control system regulates production of the secondary metabolite toxin, sirodesmin PL, in the ascomycete, Leptosphaeria maculans

Directory of Open Access Journals (Sweden)

Fox Ellen M

2011-07-01

Full Text Available Abstract Background Sirodesmin PL is a secondary metabolite toxin made by the ascomycetous plant pathogen, Leptosphaeria maculans. The sirodesmin biosynthetic genes are clustered in the genome. The key genes are a non-ribosomal peptide synthetase, sirP, and a pathway-specific transcription factor, sirZ. Little is known about regulation of sirodesmin production. Results Genes involved in regulation of sirodesmin PL in L. maculans have been identified. Two hundred random insertional T-DNA mutants were screened with an antibacterial assay for ones producing low levels of sirodesmin PL. Three such mutants were isolated and each transcribed sirZ at very low levels. One of the affected genes had high sequence similarity to Aspergillus fumigatus cpcA, which regulates the cross-pathway control system in response to amino acid availability. This gene was silenced in L. maculans and the resultant mutant characterised. When amino acid starvation was artificially-induced by addition of 3-aminotriazole for 5 h, transcript levels of sirP and sirZ did not change in the wild type. In contrast, levels of sirP and sirZ transcripts increased in the silenced cpcA mutant. After prolonged amino acid starvation the silenced cpcA mutant produced much higher amounts of sirodesmin PL than the wild type. Conclusions Production of sirodesmin PL in L. maculans is regulated by the cross pathway control gene, cpcA, either directly or indirectly via the pathway-specific transcription factor, sirZ.

Effect of PlA1/A2 glycoprotein IIIa gene polymorphism on the long-term outcome after successful coronary stenting

Directory of Open Access Journals (Sweden)

Riddell John

2007-11-01

Full Text Available Abstract Aim To prospectively determine the role of platelet glycoprotein IIIa (GP IIIa gene PlA1/PlA2 polymorphism on the long-term clinical outcome in patients with coronary artery disease undergoing coronary stenting. Design and setting Prospective observational study in the University Hospital of Caen (France. Patients and methods 1 111 symptomatic consecutive Caucasian patients treated with percutaneous coronary intervention including stent implantation underwent genotyping for GP IIIa PlA1/A2. Main outcome measures Long-term clinical outcome in terms of the rate of major adverse cardiac events (MACE, ie death from any cause, non-fatal Q wave or non Q wave myocardial infarction, and need for coronary revascularisation was obtained and subsequently stratified according to the GP IIIa PlA1/A2 polymorphism. Results Three groups of patients were determined according to the GP IIIa PlA1/A2 polymorphism (71.6% had the A1/A1, 25.8% had the A1/A2 and 2.6% had the A2/A2 genotype. These three groups were comparable for all clinical characteristics including sex ratio, mean age, vascular risk factors, previous coronary events, baseline angiographic exam, indication for the percutaneous coronary intervention and drug therapy. The incidence of MACE was similar in these 3 groups of patients during a mean follow-up period of 654+/-152 days. Independent risk factors for MACE were a left ventricular ejection fraction Conclusion The GP IIIa PlA1/A2 polymorphism does not influence the clinical long-term outcome in patients with symptomatic coronary disease undergoing percutaneous coronary intervention with stent implantation.

El valor patriotismo, a\ttravés de obras plásticas cubanas

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Yamilé Montero Leyva

2017-11-01

Full Text Available La\tinvestigación aborda una temática de gran vigencia y actualidad para la finalidad de la educación cubana: el fortalecimiento del valor patriotismo a través de obras plásticas cubanas en los estudiantes de la Secundaria Básica. Se proponen actividades de apreciación artística estructuradas teniendo en cuenta cada unas de las variantes a trabajar, donde aborda la vida y obra de los artistas de la plástica cubanos, así como un cuestionario para la realización de la apreciación. Se brindan orientaciones metodológicas, y además se puede establecer la relación intermateria con las demás asignaturas del grado: Español. Historia de Cuba, Historia Antigua y Medieval.

Podnikatelský plán pro založení franchisové prodejny

OpenAIRE

Musilová, Pavla

2013-01-01

Tato diplomová práce se zabývá založením nové prodejny Fornetti Café fungující na bázi franchisingu. Úvodní část je zaměřena na teoretická východiska práce, základní pojmy a metody tvorby podnikatelského plánu. Analytická část hodnotí současný stav sítě a budoucího franchisanta. Závěrečná, praktická část práce obsahuje samotný návrh podnikatelského plánu pro založení franchisové provozovny. This master’s thesis deals with the establishment of a new Fornetti Café shop which is operating as ...

Environmental implementation plan: Chapter 5, Chemical management, pollution prevention and other compliance programs

International Nuclear Information System (INIS)

Peterson, G.L.

1993-01-01

Compliance with environmental regulations and US Department of Energy Orders (DOE) relating to environmental protection is an important part of SRS's program. Over the past few years, the number of environmental regulations has increased. The strategy to comply with new and existing environmental regulations and DOE orders is described in chapter two. In this chapter, the following environmental programs are described: Toxic Substances Control Act (TSCA); Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA); Emergency Planning and Community Right-to-Know Act (EPCRA); and SPCC/BMP/Pollution Prevention Plans;The implementation section identifies issues and those responsible to achieve defined objectives

Virtual Ligand Screening Using PL-PatchSurfer2, a Molecular Surface-Based Protein-Ligand Docking Method.

Science.gov (United States)

Shin, Woong-Hee; Kihara, Daisuke

2018-01-01

Virtual screening is a computational technique for predicting a potent binding compound for a receptor protein from a ligand library. It has been a widely used in the drug discovery field to reduce the efforts of medicinal chemists to find hit compounds by experiments.Here, we introduce our novel structure-based virtual screening program, PL-PatchSurfer, which uses molecular surface representation with the three-dimensional Zernike descriptors, which is an effective mathematical representation for identifying physicochemical complementarities between local surfaces of a target protein and a ligand. The advantage of the surface-patch description is its tolerance on a receptor and compound structure variation. PL-PatchSurfer2 achieves higher accuracy on apo form and computationally modeled receptor structures than conventional structure-based virtual screening programs. Thus, PL-PatchSurfer2 opens up an opportunity for targets that do not have their crystal structures. The program is provided as a stand-alone program at http://kiharalab.org/plps2 . We also provide files for two ligand libraries, ChEMBL and ZINC Drug-like.

Producción de plántulas de ciclamen (Cyclamen persicum Mill. en sustratos basados en polvo de bonote de coco

Directory of Open Access Journals (Sweden)

R. Flores-Almaráz

2008-01-01

Full Text Available El ciclamen tarda unos 30 días después de la siembra (dds para que emerja la plántula y suele presentar bajo porcentaje de emergencia. Como para muchos cultivos ornamentales, en México se utilizan principalmente tierra de monte y turba como sustratos para su producción, materiales para los que se requiere un sustituto para proteger los suelos forestales y evitar la importación de la turba. Con el objetivo de mejorar el porcentaje y tiempo de emergencia y probar el polvo de bonote de coco (PBC como sustrato, se produjeron plántulas de ciclamen y se evaluaron los factores remojo de semilla (con y sin, sustrato (turba, PBC lavado, PBC sin lavar y PBC+turba y genotipo (seis series, en un experimento factorial en bloques al azar con tres repeticiones. El remojo de la semilla durante 24 horas previas a la siembra no incrementa el porcentaje de emergencia de plántulas de ciclamen, pero disminuye el tiempo de emergencia de las mismas en 1.5 y 2.3 días, en promedio, para los sustratos basados en PBC lavado y sin lavar, respectivamente, y acorta el tiempo a la emergencia de las plántulas de las series Lugano gigante, Pannevis® y Halios® en 3.7, 1.0 y 1.1 días, respectivamente. Las plántulas que logran establecerse emergen antes de los 37 dds. El menor tiempo a la emergencia de las plántulas y el mayor porcentaje de establecimiento de las mismas se obtuvo en sustratos con una capacidad de retención de humedad de 75 y 82 %. El PBC tiene características físicas y químicas que permiten utilizarlo en la formulación de sustratos para producir plántulas de ciclamen con características similares o superiores a las obtenidas utilizando turba o sustratos comerciales que la contengan. Hay diferencias entre los genotipos de ciclamen estudiados en cuanto a la capacidad de emergencia y establecimiento de plántulas, velocidad de crecimiento y producción de biomasa.

Popular sayings that address time and PLE/PL2 teaching/learning

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Danúsia Torres-dos-Santos

2011-12-01

Full Text Available The study of fixed expressions contributes to a significant demand of L2/SL teaching, the lexicon acquisition. The binomial language/culture gained a clear shape in the context of L2/SL teaching, so as to require the teacher to reflect constantly on the topics that outline the linguistic and cultural identity of the target language. Based on the assumption that time and culture are inseparable, the PFL/PL2 (Portuguese as a Foreign/ Second Language teacher has to be prepared to address the Brazilian concept of time. Relying on the notion of time language (HALL, 1996, this study seeks to identify aspects of the Brazilian temporal language. As fixed expressions have different types, it is often difficult to maintain theoretical boundaries among them. Considering Silva's definition of proverb (1999:14-15, some Brazilian popular sayings concerning time were selected. It was found that popular wisdom has at least two types of expressions that refer to time: those related to the concepts of clock time and the ones linked to the concepts of event time (LEVINE, 1997. It is intended therefore that this study may assist the PFL/PL2 teacher in addressing this issue.

Evapotranspiração máxima e coeficiente de cultura da berinjela cultivada em estufa plástica

Directory of Open Access Journals (Sweden)

Luis H. Loose

2014-03-01

Full Text Available Apesar do cultivo da berinjela em estufa plástica ter aumentado no sul do Brasil, ainda é escasso o conhecimento sobre a evapotranspiração da cultura na condição de ambiente protegido para o manejo correto da irrigação. Objetivou-se determinar a evapotranspiração máxima e o coeficiente de cultura da berinjela cultivada em estufa plástica. Realizaram-se três experimentos em estufa plástica, dos quais dois na primavera dos anos de 2006 e 2007 e o outro no outono de 2007, na condição de clima subtropical úmido de Santa Maria, RS. As plantas foram cultivadas em camalhões de solo coberto por mulching plástico e irrigado por gotejamento. A evapotranspiração máxima da cultura foi medida em seis repetições de evapotranspirômetros de drenagem, contendo 20 L de substrato e uma planta. A evapotranspiração de referência foi estimada pelo método de Penman-Monteith. Verificou-se que a evapotranspiração máxima da cultura foi maior na primavera do que no outono enquanto o coeficiente de cultura foi maior no outono. Conclui-se que o coeficiente de cultura da berinjela cultivada em estufa plástica pode ser estimado com boa precisão em função dos dias após o transplante ou do índice de área foliar.

MediPlEx - a tool to combine in silico & experimental gene expression profiles of the model legume Medicago truncatula

Directory of Open Access Journals (Sweden)

Stutz Leonhard J

2010-10-01

Full Text Available Abstract Background Expressed Sequence Tags (ESTs are in general used to gain a first insight into gene activities from a species of interest. Subsequently, and typically based on a combination of EST and genome sequences, microarray-based expression analyses are performed for a variety of conditions. In some cases, a multitude of EST and microarray experiments are conducted for one species, covering different tissues, cell states, and cell types. Under these circumstances, the challenge arises to combine results derived from the different expression profiling strategies, with the goal to uncover novel information on the basis of the integrated datasets. Findings Using our new analysis tool, MediPlEx (MEDIcago truncatula multiPLe EXpression analysis, expression data from EST experiments, oligonucleotide microarrays and Affymetrix GeneChips® can be combined and analyzed, leading to a novel approach to integrated transcriptome analysis. We have validated our tool via the identification of a set of well-characterized AM-specific and AM-induced marker genes, identified by MediPlEx on the basis of in silico and experimental gene expression profiles from roots colonized with AM fungi. Conclusions MediPlEx offers an integrated analysis pipeline for different sets of expression data generated for the model legume Medicago truncatula. As expected, in silico and experimental gene expression data that cover the same biological condition correlate well. The collection of differentially expressed genes identified via MediPlEx provides a starting point for functional studies in plant mutants. MediPlEx can freely be used at http://www.cebitec.uni-bielefeld.de/mediplex.

Discovery and introgression of the wild sunflower-derived novel downy mildew resistance gene Pl 19 in confection sunflower (Helianthus annuus L.).

Science.gov (United States)

Zhang, Z W; Ma, G J; Zhao, J; Markell, S G; Qi, L L

2017-01-01

A new downy mildew resistance gene, Pl 19 , was identified from wild Helianthus annuus accession PI 435414, introduced to confection sunflower, and genetically mapped to linkage group 4 of the sunflower genome. Wild Helianthus annuus accession PI 435414 exhibited resistance to downy mildew, which is one of the most destructive diseases to sunflower production globally. Evaluation of the 140 BC 1 F 2:3 families derived from the cross of CMS CONFSCLB1 and PI 435414 against Plasmopara halstedii race 734 revealed that a single dominant gene controls downy mildew resistance in the population. Bulked segregant analysis conducted in the BC 1 F 2 population with 860 simple sequence repeat (SSR) markers indicated that the resistance derived from wild H. annuus was associated with SSR markers located on linkage group (LG) 4 of the sunflower genome. To map and tag this resistance locus, designated Pl 19 , 140 BC 1 F 2 individuals were used to construct a linkage map of the gene region. Two SSR markers, ORS963 and HT298, were linked to Pl 19 within a distance of 4.7 cM. After screening 27 additional single nucleotide polymorphism (SNP) markers previously mapped to this region, two flanking SNP markers, NSA_003564 and NSA_006089, were identified as surrounding the Pl 19 gene at a distance of 0.6 cM from each side. Genetic analysis indicated that Pl 19 is different from Pl 17 , which had previously been mapped to LG4, but is closely linked to Pl 17 . This new gene is highly effective against the most predominant and virulent races of P. halstedii currently identified in North America and is the first downy mildew resistance gene that has been transferred to confection sunflower. The selected resistant germplasm derived from homozygous BC 2 F 3 progeny provides a novel gene for use in confection sunflower breeding programs.

Biļešu tirdzniecības risinājuma zāles plāna modulis

OpenAIRE

Bušs, Jēkabs

2015-01-01

Biļešu tirdzniecības risinājuma zāles plāna modulis, ir daļa no biļešu tirdzniecības programmprodukta. Modulis sniedz iespēju iestādes klientiem ērti aplūkot zāles plānojumu, kā arī iestādes darbiniekiem izmantot to kā zāles plānojuma administrēšanas un tirdzniecības galveno rīku. Modulis sniedz iespēju apskatīt konkrētos datus par attiecīgām izrādēm, sniedz iespēju apskatīt un uzstādīt attiecīgo izrāžu bloķētās vietas, bet pats galvenais, modulis sniedz iespēju iestādes darbiniekiem ar g...

FGF-2b and h-PL Transform Duct and Non-Endocrine Human Pancreatic Cells into Endocrine Insulin Secreting Cells by Modulating Differentiating Genes

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Giulia Donadel

2017-10-01

Full Text Available Background: Diabetes mellitus (DM is a multifactorial disease orphan of a cure. Regenerative medicine has been proposed as novel strategy for DM therapy. Human fibroblast growth factor (FGF-2b controls β-cell clusters via autocrine action, and human placental lactogen (hPL-A increases functional β-cells. We hypothesized whether FGF-2b/hPL-A treatment induces β-cell differentiation from ductal/non-endocrine precursor(s by modulating specific genes expression. Methods: Human pancreatic ductal-cells (PANC-1 and non-endocrine pancreatic cells were treated with FGF-2b plus hPL-A at 500 ng/mL. Cytofluorimetry and Immunofluorescence have been performed to detect expression of endocrine, ductal and acinar markers. Bromodeoxyuridine incorporation and annexin-V quantified cells proliferation and apoptosis. Insulin secretion was assessed by RIA kit, and electron microscopy analyzed islet-like clusters. Results: Increase in PANC-1 duct cells de-differentiation into islet-like aggregates was observed after FGF-2b/hPL-A treatment showing ultrastructure typical of islets-aggregates. These clusters, after stimulation with FGF-2b/hPL-A, had significant (p < 0.05 increase in insulin, C-peptide, pancreatic and duodenal homeobox 1 (PDX-1, Nkx2.2, Nkx6.1, somatostatin, glucagon, and glucose transporter 2 (Glut-2, compared with control cells. Markers of PANC-1 (Cytokeratin-19, MUC-1, CA19-9 were decreased (p < 0.05. These aggregates after treatment with FGF-2b/hPL-A significantly reduced levels of apoptosis. Conclusions: FGF-2b and hPL-A are promising candidates for regenerative therapy in DM by inducing de-differentiation of stem cells modulating pivotal endocrine genes.

Desarrollo de un método para controlar la calidad de producción de plántulas en viveros forestales: estudio de caso con ciprés (Cupressus lusitanica

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Silvia Sánchez

2004-01-01

Full Text Available En viveros forestales de especies latifoliadas tropicales, por lo general no se cuenta con criterios ni valores de referencia para realizar controles de calidad en la producción de plántulas, ni con un método de muestreo apropiado. Se revisó y adaptó un sistema de muestreo por bancales de plántulas de ciprés (Cupressus lusitanica con base en parcelas aleatorias de 28 plántulas, en las que se registró 11 variables cualitativas y cuantitativas en cada plántula muestreada. Se propone una intensidad de muestreo de un 6% para bancales de 2000 plántulas, que se reduce con la escala de producción de modo que asegure un error de muestreo 15%, plántulas suprimidas >10%, >15% de plántulas enfermas severamente, mortalidad >10%, sean criterios e indicadores de rechazo del lote o bancal de producción de plántulas de ciprés.

Improving seismic crustal models in the Corinth Gulf, Greece and estimating source depth using PL-waves

Science.gov (United States)

Vackář, Jiří; Zahradník, Jiří

2013-04-01

A recent shallow earthquake in the Corinth Gulf, Greece (Mw 5.3, January 18, 2010; Sokos et al., Tectonophysics 2012) generated unusual long-period waves (periods > 5 seconds), well recorded at several near-regional stations between the P - and S-wave arrival. The 5-second period, being significantly longer than the source duration, indicates a structural effect. The wave is similar to PL-wave or Pnl-wave, but with shorter periods and observed in much closer distances (ranging from 30 to 200 km). For theoretical description of the observed wave, structural model is required. No existing regional crustal model generates that wave, so we need to find another model, better in terms of the PL-wave existence and strength. We find such models by full waveform inversion using the subset of stations with strong PL-wave. The Discrete Wavenumber method (Bouchon, 1981; Coutant 1989) is used for forward problem and the Neighborhood Algorithm (Sambridge, 1999) for stochastic search (more details in poster by V. Plicka and J. Zahradník). We obtain a suite of models well fitting synthetic seismograms and use some of these models to evaluate dependence of the studied waves on receiver distance and azimuth as well as dependence on source depth. We compare real and synthetic dispersion curves (derived from synthetic seismograms) as an independent validation of found model and discuss limitations of using dispersion curves for these cases. We also relocated the event in the new model. Then we calculate the wavefield by two other methods: modal summation and ray theory to better understand the nature of the PL-wave. Finally, we discuss agreement of found models with published crustal models in the region. The full waveform inversion for structural parameters seems to be powerful tool for improving seismic source modeling in cases we do not have accurate structure model of studied area. We also show that the PL-wave strength has a potential to precise the earthquake depth

SAFE Journal. Volume 35, Number 1, Spring 2007

Science.gov (United States)

2007-01-01

Division Eye Tactical, Inc. - Sales and Marketing Division First Technology Safety Systems, Inc. Fujikura Parachute Co., Ltd. FXC Corporation... markets for environmentally friendly products. The E.PA is considering using Section 6 of the Toxic Substances Control Act (TSCA) to regulate...CH,OH 0,N SAFE Journal - Vol 35(1) - Spring 2007 15 RESEARC H, DEVELOPMENT. TEST & EVALUATION SECTION Figure 2. Preparation of KDNP (1) using a

Estudo da variação da resistência ao cisalhamento do resíduo solido urbano devido a presença de plástico mole

OpenAIRE

Gawlik, Francismara Martins

2014-01-01

A influencia do plástico mole na resistência ao cisalhamento do resíduo solido urbano (RSU) vem sendo alvo constante de estudo em virtude da sua enorme relevância nesta questão. No entanto trata-se de um tema complexo, visto que, são muitas as variáveis relacionadas ao problema, tais como, a quantidade de plástico, influencia do chorume em contanto com o plástico, inclinação do plástico em relação aos esforços normais e cisalhantes, resistência à tração do plástico, questões relacionadas à mo...

Quantitative structure-activity relationships for predicting potential ecological hazard of organic chemicals for use in regulatory risk assessments.

Science.gov (United States)

Comber, Mike H I; Walker, John D; Watts, Chris; Hermens, Joop

2003-08-01

The use of quantitative structure-activity relationships (QSARs) for deriving the predicted no-effect concentration of discrete organic chemicals for the purposes of conducting a regulatory risk assessment in Europe and the United States is described. In the United States, under the Toxic Substances Control Act (TSCA), the TSCA Interagency Testing Committee and the U.S. Environmental Protection Agency (U.S. EPA) use SARs to estimate the hazards of existing and new chemicals. Within the Existing Substances Regulation in Europe, QSARs may be used for data evaluation, test strategy indications, and the identification and filling of data gaps. To illustrate where and when QSARs may be useful and when their use is more problematic, an example, methyl tertiary-butyl ether (MTBE), is given and the predicted and experimental data are compared. Improvements needed for new QSARs and tools for developing and using QSARs are discussed.

Savannah River Site sample and analysis plan for Clemson Technical Center waste

International Nuclear Information System (INIS)

Hagstrom, T.

1998-04-01

The purpose of this sampling and analysis plan is to determine the chemical, physical and radiological properties of the SRS radioactive Polychlorinated Biphenyl (PCB) liquid waste stream, to verify that it conforms to Waste Acceptance Criteria of the Department of Energy (DOE) East Tennessee Technology Park (ETTP) Toxic Substance Control Act (TSCA) Incineration Facility. Waste being sent to the ETTP TSCA Incinerator for treatment must be sufficiently characterized to ensure that the waste stream meets the waste acceptance criteria to ensure proper handling, classification, and processing of incoming waste to meet the Waste Storage and Treatment Facility's Operating Permits. This sampling and analysis plan is limited to WSRC container(s) of homogeneous or multiphasic radioactive PCB contaminated liquids generated in association with a treatability study at Clemson Technical Center (CTC) and currently stored at the WSRC Solid Waste Division Mixed Waste Storage Facility (MWSF)

Análisis de plásmidos recombinantes con insertos de ADN genómico de Plasmodium falciparum

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Fernando Ángel S.

1988-06-01

Full Text Available Se describe la preparación de plásmidos pUC18 recombinantes provenientes de la construcción de una biblioteca genómica del parásito Plasmodium falciparum usando una modificación del método de lisis alcalina (1 . La cantidad de plásmido producido es suficiente para llevar a cabo varios análisis de digestión con enzimas de restricción y electroforesis en geles de agarosa.

PL/SQL and Bind Variable: the two ways to increase the efficiency of Network Databases

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Hitesh KUMAR SHARMA

2011-12-01

Full Text Available Modern data analysis applications are driven by the Network databases. They are pushing traditional database and data warehousing technologies beyond their limits due to their massively increasing data volumes and demands for low latency. There are three major challenges in working with network databases: interoperability due to heterogeneous data repositories, proactively due to autonomy of data sources and high efficiency to meet the application demand. This paper provides the two ways to meet the third challenge of network databases. This goal can be achieved by network database administrator with the usage of PL/SQL blocks and bind variable. The paper will explain the effect of PL/SQL block and bind variable on Network database efficiency to meet the modern data analysis application demand.

Czekolada jako źródło związków bioaktywnych oddziałujących na organizm = Chocolate as a source of bioactive compounds acting on the organism

OpenAIRE

Skrajda, Marta; Dąbrowski, Grzegorz

2015-01-01

Skrajda Marta, Dąbrowski Grzegorz. Czekolada jako źródło związków bioaktywnych oddziałujących na organizm = Chocolate as a source of bioactive compounds acting on the organism. Journal of Education, Health and Sport. 2015;5(9):429-442. ISSN 2391-8306. DOI 10.5281/zenodo.31014 http://dx.doi.org/10.5281/zenodo.31014 http://ojs.ukw.edu.pl/index.php/johs/article/view/2015%3B5%289%29%3A429-442 https://pbn.nauka.gov.pl/works/626991 Formerly Journal of Health Sciences. ISSN 1429-9623...

Biometria de frutos e sementes e emergência de plântulas de duas espécies frutíferas do gênero Campomanesia

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Michele Camargo de Oliveira

2011-06-01

Full Text Available As espécies Campomanesia adamantium e Campomanesia pubescens são morfologicamente semelhantes, ocorrem em ambientes comuns do Bioma Cerrado, por isso são difíceis de serem separadas e identificadas. Os objetivos foram analisar dados biométricos de frutos e sementes de C. adamantium e de C. pubescens, além do processo de emergência das plântulas, para fins de comparações entre as espécies. Em novembro de 2007, de 50 frutos de cada espécie, foram realizadas medidas do comprimento transversal (mm e longitudinal (mm dos frutos e das sementes, massa da matéria fresca dos frutos (g, número de lóculos por fruto e número de lóculos com sementes. Para o teste de emergência, dois experimentos independentes, um para cada espécie, foram instalados em delineamento inteiramente casualizado, com seis métodos de beneficiamento dos frutos para remoção, secagem ou lavagem da mucilagem e quatro repetições com 40 sementes por parcela. Com frutos mais volumosos, com maior acúmulo de massa fresca e maior amplitude biométrica em relação aos de C. pubescens, C. adamantium apresenta potencial para seleção de materiais promissores para fins de melhoramento. A secagem à sombra por 24 horas das sementes com mucilagem reduz os percentuais de emergência e de plântulas normais, além da velocidade de emergência de plântulas de C. adamantium, embora este método seja indiferente para plântulas de C. pubescens. Sob as mesmas condições experimentais, plântulas de C. pubescens apresentam maior capacidade de emergência e de plântulas normais, além de maiores frequências diárias de plântulas emersas e redução dos tempos de emergência em relação às plântulas de C. adamantium.

PL and EL characterizations of ZnO:Eu3+, Li+ films derived by sol-gel process

International Nuclear Information System (INIS)

Xue Daoqi; Zhang Junying; Yang Chun; Wang Tianmin

2008-01-01

ZnO:Eu 3+ , Li + films prepared by the dip-coating method were characterized by photoluminescence (PL) and electroluminescence (EL). When the ZnO:Eu 3+ , Li + films were excited using UV light with energy corresponding to the band-to-band excitation of the host matrix, the PL spectra showed emissions from both ZnO and Eu 3+ ions, while their EL spectra showed emissions only from Eu 3+ ions, and no emission from ZnO could be detected. It is found that the EL emission intensity B is dependent on the applied voltage, B=B o exp(-bV -1/2 ). With increasing frequency, the EL intensity dramatically increases at lower frequencies ( 1000 Hz)

Altered hemodynamics and hyperuricemia accompany an elevated sFlt-1/PlGF ratio before the onset of early severe preeclampsia.

LENUS (Irish Health Repository)

Doherty, Anne

2014-08-01

Early identification of women at risk of developing early-onset severe preeclampsia (sPE) is a key objective in obstetrics. An elevated ratio of serum soluble fms-like tyrosine kinase (sFlt-1) to placenta-like growth factor (PlGF) (sFlt-1\\/PlGF ratio) precedes overt hypertension. The longitudinal relationship between this biomarker, maternal hemodynamics, and maternal serum uric acid during the pre-clinical phase is unknown.

Budget impact analysis of sFlt-1/PlGF ratio as prediction test in Italian women with suspected preeclampsia.

Science.gov (United States)

Frusca, Tiziana; Gervasi, Maria-Teresa; Paolini, Davide; Dionisi, Matteo; Ferre, Francesca; Cetin, Irene

2017-09-01

Preeclampsia (PE) is a pregnancy disease which represents a leading cause of maternal and perinatal mortality and morbidity. Accurate prediction of PE risk could provide an increase in health benefits and better patient management. To estimate the economic impact of introducing Elecsys sFlt-1/PlGF ratio test, in addition to standard practice, for the prediction of PE in women with suspected PE in the Italian National Health Service (INHS). A decision tree model has been developed to simulate the progression of a cohort of pregnant women from the first presentation of clinical suspicion of PE in the second and third trimesters until delivery. The model provides an estimation of the financial impact of introducing sFlt-1/PlGF versus standard practice. Clinical inputs have been derived from PROGNOSIS study and from literature review, and validated by National Clinical Experts. Resources and unit costs have been obtained from Italian-specific sources. Healthcare costs associated with the management of a pregnant woman with clinical suspicion of PE equal €2384 when following standard practice versus €1714 using sFlt-1/PlGF ratio test. Introduction of sFlt-1/PlGF into hospital practice is cost-saving. Savings are generated primarily through improvement in diagnostic accuracy and reduction in unnecessary hospitalization for women before PE's onset.

Microencapsulation of Biocides for Reduced Copper, Long-life Antifouling Coatings

Science.gov (United States)

2007-02-01

NEHC - Naval Environmental Health Center ONR – Office of Naval Research PVA – polyvinyl alcohol QPL – qualified products list TBT – tributyltin ...also organotin) TSCA - Toxic Substance Control Act UNDS - Uniform National Discharge Standards US – United States VOC – volatile organic content...mechanisms, and are designed to erode or polish with time to ensure long service lives (Yebra et. al., 2004). Fouling release coatings are a non- toxic

Caracterização de frutos, sementes, plântulas e germinação de Jeniparana

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Rejane Maria da Silva

2014-10-01

Full Text Available Gustavia augusta L., conhecida popularmente como jeniparana, é uma espécie arbórea neotropical, que ocorre nas florestas Atlântica e Amazônica. Considerando-se a abundância dessa espécie na floresta Atlântica e a fragilidade e fragmentação desse ecossistema, objetivou-se, com este trabalho, caracterizar seus frutos, sementes, germinação e plântulas, acrescentando informações para subsidiar estudos sobre sua conservação e utilização. Os frutos maduros foram coletados em fragmentos de floresta Atlântica, no município de Paulista, PE. Em seguida, foram realizadas análises morfológicas e biométricas dos frutos, sementes e plântulas da espécie. O fruto de G. augusta é um pixídio globoso, anfissarcídio, pentalocular, indeiscente. A semente é exalbuminosa, estenospérmica, trisseriada, bitegumentada e a massa de cem sementes desse lote foi de 47,95 g. A germinação da espécie é do tipo hipógea, com o tegumento aderido aos cotilédones na fase inicial do crescimento da plântula, que tem início a partir do quinto dia após a semeadura, em condições de laboratório. O tempo médio e o índice de velocidade de germinação (IVG foram de 14 dias e 0,87, respectivamente. A plântula com 40 dias apresenta todas as estruturas, sendo classificada no tipo morfofuncional fanerohipógeo-armazenador (PHR.

Net expression inhibits the growth of pancreatic ductal adenocarcinoma cell PL45 in vitro and in vivo.

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Baiwen Li

Full Text Available Pancreatic ductal adenocarcinoma has a poor prognosis due to late diagnosis and a lack of effective therapeutic options. Thus, it is important to better understand its molecular mechanisms and to develop more effective treatments for the disease. The ternary complex factor Net, which exerts its strong inhibitory function on transcription of proto-oncogene gene c-fos by forming ternary complexes with a second transcription factor, has been suspected of being involved in pancreatic cancer and other tumors biology. In this study, we found that the majority of pancreatic ductal adenocarcinoma tissues and cell lines had weak or no expression of Net, whereas significantly high level of Net expression occurred in paired adjacent normal tissues we studied. Furthermore, using in vitro and in vivo model systems, we found that overexpression of Net inhibited cell growth and survival and induced cell apoptosis in human pancreatic ductal adenocarcinoma cell PL45; the mechanisms by which Net inhibited the cell cycle progression were mainly through P21-Cyclin D1/CDK4 Pathway. Our data thus suggested that Net might play an important role in pancreatic carcinogenesis, possibly by acting as a tumor suppressor gene.

Design de joias a partir de aspectos plásticos da dança conteporânea

OpenAIRE

Eliana Paula Calegari; Carlos Gustavo Hoelzel

2011-01-01

Este estudo consiste em mostrar de maneira objetiva e clara as etapas de desenvolvimento do projeto de uma coleção de joias a partir de aspectos plásticos da dança contemporânea. Para alcançar esse objetivo, foram realizadas pesquisas em torno do design de joias e a dança contemporânea, sendo utilizada como referência no processo criativo durante a projetação das peças. Desenvolveram-se alternativas de solução através de desenhos e traços de composição de referenciais plásticos da dança onde ...

Diseño de espacios pedagógicos en el área de artes visuales para la Escuela de Artes Plásticas

OpenAIRE

Sánchez Rodríguez, Álvaro; Vega Aguilar, María Eugenia

2010-01-01

Diseñar espacios adecuados para la enseñanza y desarrollo de las artes visuales para el edificio de la Escuela de Artes Plásticas. Universidad de Costa Rica UCR::Docencia::Artes y Letras::Facultad de Bellas Artes::Escuela de Artes Plásticas

Implantation ability of the potential probiotic strain, Lactobacillus reuteri PL519, in "Salchichón," a traditional Iberian dry fermented sausage.

Science.gov (United States)

Ruiz-Moyano, Santiago; Martín, Alberto; Benito, María José; Aranda, Emilio; Casquete, Rocío; Córdoba, María de Guia

2011-01-01

The purpose of this study was to investigate the potential of incorporating the probiotic L. reuteri PL519 into the manufacturing of Iberian dry fermented sausages, and to observe its effect on the sensory properties of these meat products. Specific polymerase chain reaction (PCR) was carried out to detect the presence of probiotic strain at high counts in the inoculated sausages. Changes due to probiotic inoculation on physicochemical parameters were determined and the impact on sensory quality evaluated. Dry fermented sausages inoculated with L. reuteri PL519 may be considered as functional products according to the counts of this strain found at the end of processing. Inoculation with L. reuteri PL519 increased the amount of acetic acid, protein, and lipid degradation products in dry fermented sausages. The differences observed in the descriptive sensorial analysis corresponded, however, to a little impact on overall acceptability since no significant changes were found between the control and L. reuteri PL519 batch in the hedonic test. Processing and marketing of Iberian dry fermented sausages with functional characteristics. © 2011 Institute of Food Technologists®

Plágio e publicação científica

Directory of Open Access Journals (Sweden)

André Luís Gemal

2015-05-01

Full Text Available Nos últimos anos, a palavra ética tem estado em evidência no país, usualmente referida a sua ausência. Neste cenário, no qual sobram palavras e faltam atitudes, refletir, debater e concretizar ações sobre este tema na publicação científica tornam-se imprescindíveis. O acesso aberto e a democratização do conhecimento e, principalmente, da informa-ção, têm permitido atualmente uma possibilidade fabulosa de avanços na formação de pesquisadores e cidadãos.Neste contexto, a cultura do plágio tem maiores condições de se disseminar e de se tornar socialmente aceita. Isto faz com que instituições e editores de revistas científicas sejam colocados em situações que exigem atitudes imediatas e coerentes com os princípios éti-cos do campo da ciência. Em uma rápida busca no Google do termo “plágio em publicação científica”, encontramos cerca de 400 mil resultados, o que evidencia os danos e riscos que dizem respeito a todos nós: editores, pesquisadores, alunos, gestores de instituições de pesquisa — corresponsáveis pela acuidade da informação — e leitores.

Vendor Managed Inventory (VMI en mipymes - Agrocadena del plátano

Directory of Open Access Journals (Sweden)

Martín Darío Arango Serna

2011-01-01

Full Text Available Este artículo surge como resultado de una investigación en el tema de Vendor Managed Inventory (VMI en la cadena productiva de deshidratados de plátano, compuesta por una planta deshidratadora (proveedor y una granja porcina (cliente, incorporando el costo de transporte del producto como parámetro integral de los costos de inventarios, con el fin de examinar las prácticas de gestión de inventarios antes y después de la implementación de VMI. Se muestra inicialmente la contextualización de la cadena en el ámbito del sector y la agroindustria del plátano en Colombia. Posteriormente, se desarrolla el modelo de coordinación de inventarios, tomando como referencia el modelo propuesto por Yao, et al. [1], el cual se fundamenta en el modelo de lote económico de pedido (EOQ. Se realiza la modelación matemática en los escenarios sin VMI y con VMI, incorporando el costo de transporte del producto al costo total del manejo de inventarios. Los resultados muestran que la adopción de VMI genera ahorros para la cadena integrada y como el costo de transporte resulta ser un elemento individual relevante en la estructura de costos logísticos de la cadena estudiada.

Corte foliar e tempo de transplantio para o uso de plântulas do sub-bosque na restauração florestal

Directory of Open Access Journals (Sweden)

Ricardo Augusto Gorne Viani

2012-04-01

Full Text Available O uso de plântulas da regeneração natural tem sido recomendado como estratégia para produção de mudas visando à restauração florestal, contudo muitos aspectos técnicos desse método ainda carecem de investigação científica. O objetivo deste trabalho foi avaliar o efeito da redução da área foliar e do transplantio imediato na sobrevivência e crescimento de mudas de espécies arbóreas produzidas a partir de plântulas obtidas da regeneração natural. Plântulas de Esenbeckia leiocarpa (Rutaceae, Eugenia ligustrina (Myrtaceae e Maytenus salicifolia (Celastraceae, obtidas em remanescente de vegetação secundária de Floresta Estacional Semidecidual em Bofete, SP, foram extraídas do solo e submetidas aos tratamentos: I redução de 50% da área de cada folha e transplantio imediato; II nenhuma redução de área das folhas e transplantio imediato; III redução de 50% da área de cada folha, manutenção das plântulas em água e transplantio 24 h após a coleta; e IV nenhuma redução de área das folhas, manutenção das plântulas em água e transplantio 24 h após a coleta. As mudas foram avaliadas com relação à sobrevivência e ao crescimento em altura, ao longo de oito meses. Os resultados evidenciaram que nem o corte das folhas ou a manutenção das plântulas dentro de recipientes com água por 24 h antes do transplantio afetaram os parâmetros avaliados. Assim, para as espécies estudadas a redução da área foliar e o transplantio imediato são desnecessários para a produção de mudas em viveiro a partir de plântulas obtidas da regeneração natural.

Morfo-anatomia de plântulas e número cromossômico de Cybistax antisyphilitica (Mart.) Mart. (Bignoniaceae)

OpenAIRE

Ortolani,Flavia Aparecida; Mataqueiro,Márcia Fiorese; Moro,José Roberto; Moro,Fabíola Vitti; Damião Filho,Carlos Ferreira

2008-01-01

Plântulas de Cybistax antisyphilitica (ipê-verde), espécie arbórea que ocorre no Estado de São Paulo, Brasil, foram estudadas morfoanatomicamente e citogeneticamente. As plântulas são eudicotiledôneas, fanerocotiledonares e epigéias. Suas sementes apresentam alas hialinas, assimétricas e de textura papirácea. A raiz é axial com tecido epidérmico irregular. O hipocótilo é verde, glabro e apresenta os elementos do xilema em diferenciação. Os cotilédones são verdes, foliáceos, reniformes, com me...

Desenvolvimento de plântulas de limoeiro 'cravo' relacionado a posição de semeadura

Directory of Open Access Journals (Sweden)

Rodriguez Robles Walter Geremias

2000-01-01

Full Text Available Instalou-se um ensaio em casa de vegetação com o objetivo de relacionar a posição da semente e o desenvolvimento de plântulas de limoeiro `Cravo'. Foram semeadas nas três prováveis posições que a semente tomaria ao ser lançada ao solo ou substrato: 1 deitada; 2 ápice para cima e 3 ápice para baixo. Este experimento foi realizado em bandejas de poliestireno expandido com 128 células, utilizando-se como substrato a mistura de vermiculita expandida e material orgânico vegetal. Adotou-se o delineamento experimental em blocos ao acaso, com 4 repetições e 40 sementes por parcela (1 semente/célula. Aos 75 dias após à semeadura, observou-se maior quantidade de plântulas com raízes normais quando colocadas as sementes nas posições deitada e ápice para baixo. A posição ápice para cima apresentou maior quantidade de plântulas com raízes tortas e enoveladas. O comprimento do sistema radicular foi aproximadamente o dobro da parte aérea, independente da posição da semente, ocorrendo o inverso em relação à massa da matéria seca.

Caracterización física y química de plátanos de postre y cocción cultivados en México.

OpenAIRE

Rosales Reynoso, Olga Lidia

2013-01-01

En México se cultiva una amplia gama de variedades de plátanos (Musa spp.) los cuales pueden ser clasificados en base a la forma de consumo; los plátanos de postre se comen crudos cuando alcanzan la madurez deseada por el consumidor (la cual ocurre en un periodo de tiempo corto después de la cosecha), a diferencia de los plátanos para cocción que se someten a un proceso térmico en diferentes etapas de madurez. Esta diferencia en la forma de consumo podría estar relacionada con el tipo y metab...

Estimativa do vigor das sementes e das plântulas de Bixa orellana L.

Directory of Open Access Journals (Sweden)

Roberta Leopoldo Ferreira

Full Text Available RESUMO A multiplicação de espécies como as da planta de urucum tem limitações em função do conhecimento limitado das características morfológicas e fisiológicas das sementes e das plântulas e da restrição de métodos para determinar a qualidade dessas sementes. Nessa pesquisa, o objetivo foi estudar a adequação do teste de envelhecimento acelerado para estimar o vigor das sementes de urucum (Bixa orellana L., relacionando os resultados desse teste com a formação das plântulas e as diferenças de genótipo dos acessos genéticos. As sementes de urucum, representadas por quatro acessos genéticos, e por três lotes, foram avaliadas pelos testes de germinação, primeira contagem da germinação, classificação do vigor das plântulas e emergência das plântulas (total e índice de velocidade. No teste de envelhecimento acelerado foram avaliados a temperatura, de 41 ºC, e os períodos, de 48; 72 e 96 horas, de exposição das sementes às umidades relativas de 100% (água e de 76% (solução saturada de NaCl. A solução saturada reduz a quantidade de água absorvida pelas sementes de urucum, expostas às condições do teste de envelhecimento acelerado, reduzindo a deterioração das sementes, favorecendo a uniformidade dos resultados e a redução da proliferação de fungos, comuns na germinação das sementes de urucum. O teste de envelhecimento acelerado, com água ou solução salina, por 72 horas ou 96 horas, é eficiente para classificar as sementes de urucum quanto à qualidade. Assim, as variações dos teores de água das sementes de urucum devem ser entre 23;6 e 28;9% (72 horas e 29;7 e 32;9% (96 horas para a utilização da água e entre 7,3 e 9,5% para a utilização da solução salina de NaCl.

La cirugía plástica y su labor humanitaria en México

Directory of Open Access Journals (Sweden)

A. Vallarta-Rodríguez

2015-12-01

Full Text Available La mayoría del gasto público en salud en México se enfoca hacia las patologías causantes de la mayor mortalidad: enfermedades circulatorias, metabólicas y neoplasias. Así pues, las malformaciones congénitas, secuelas de quemaduras o secuelas de cáncer, no se encuentran al alcance de la población que vive en pobreza. Es por ello que desde hace más de 50 años se iniciaron en nuestro país las Cirugías Extramuros y en el 2012 se creó la Fundación para Asistencia e Investigación en Cirugía Plástica Reconstructiva (FUNCIPLAS, con el objetivo de ayudar a los más necesitados mediante la aplicación de nuestra especialidad. En coordinación con diferentes organizaciones se planeó realizar Campañas de Cirugía Extramuros en diferentes estados de la República Mexicana con la participación de cirujanos plásticos y reconstructivos, residentes en formación, anestesiólogos y personal de enfermería. De 2013 a 2015 se realizaron 10 campañas altruistas en diversas ciudades mexicanas. Se valoraron 784 pacientes, de los que fueron candidatos a cirugía 439 en los que se realizaron 774 procedimientos. El 52,5% de las cirugías correspondió a patología congénita; el 16,4% a secuelas de quemaduras; el 15,76% a secuelas de cáncer y el 15,5% a secuelas de trauma en cara o extremidades. La atención de padecimientos relacionados con la Cirugía Plástica Reconstructiva es insuficiente en una población de casi 120 millones de habitantes. Si a ello agregamos el atraso educativo y la pobreza, nos encontramos ante personas que son condenadas a vivir con una alteración estético-funcional y un estigma social. La FUNCIPLAS, como asociación sin fines de lucro, surge como alternativa para ayudar a los sectores más vulnerables de la población mexicana. Desde hace varias décadas se ha fomentado un mayor altruismo en el área quirúrgica. Hoy la contribución humanitaria de la Cirugía Plástica en México es una realidad.

Analysis of the structure and operation of the level F PL/1 compiler: problems raised by the coupling of programmes written in different languages

International Nuclear Information System (INIS)

Rambou Sek, Jiri

1974-01-01

As the PL/1 programming language allows the treatment of a large range of commercial and scientific problems, it also raises specific problems for the development of a compiler on the one hand, and for the implementation of a management system within an installation comprising software written in different programming languages. The author reports the analysis of the level F PL/1 compiler developed by IBM, discusses issues related to the management of a PL/1 software within the framework of the OS/360 operating system. He reports the study of the linking conditions between PL/1 and the main existing programming languages under OS/360. He presents an interface system which allows a common exploitation of software written in different programming languages. He describes the syntax of the DECLARE statement, and its analysis by the interface system. The last part reports the generation of different data description vectors which are necessary for argument transmission [fr

Synthesis, strong room-temperature PL and photocatalytic activity of ZnO/ZnWO{sub 4} rod-like nanoparticles

Energy Technology Data Exchange (ETDEWEB)

Validzic, Ivana Lj., E-mail: validzic@vinca.rs [Vinca Institute of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001 Belgrade (Serbia); Savic, Tatjana D.; Krsmanovic, Radenka M.; Jovanovic, Dragana J.; Novakovic, Mirjana M.; Popovic, Maja C.; Comor, Mirjana I. [Vinca Institute of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001 Belgrade (Serbia)

2012-05-25

Highlights: Black-Right-Pointing-Pointer Novel low temperature method for the synthesis of ZnO/ZnWO{sub 4} rod-like nanoparticles. Black-Right-Pointing-Pointer PL showed strong UV band peaked at 3.30 eV and a visible band at 2.71 and 2.53 eV. Black-Right-Pointing-Pointer Variations of the two PL bands were observed for different excitation wavelengths. Black-Right-Pointing-Pointer Band-gap energies of ZnO/ZnWO{sub 4} nanoparticles were found to be 3.62 and 3.21 eV. Black-Right-Pointing-Pointer Photocatalytic behaviour of ZnO is dependent on the formation of ZnWO{sub 4} phase. - Abstract: Zinc oxide (ZnO)/zinc tungstate (ZnWO{sub 4}) rod-like nanoparticles with diameters in the range of 6-11 nm and length of about 30 nm were synthesized by a low temperature soft solution method at 95 Degree-Sign C in the presence of non-ionic copolymer surfactant. It was found that their crystallinity was enhanced with the increase of heating time from 1 h up to 120 h. The photoluminescence (PL) measurements showed very strong, narrow UV band peaked at 3.30 eV and a broad visible band peaking at 2.71 eV with a shoulder at about 2.53 eV, for {lambda}{sub exc} < 300 nm. Quite large variations in the intensities of the two PL bands were observed for different excitation wavelengths. The intensity of the main visible band decreases with decreasing excitation energy and disappears when samples are excited {lambda} = 320 nm (E{sub exc} = 3.875 eV). We found that observed optical properties originate from ZnO phase. UV band gap PL had high intensity for all applied excitations, probably induced by ZnWO{sub 4} phase presence on the surface. In addition, two values were found for direct band-gap energy of ZnO/ZnWO{sub 4} rod-like nanoparticles 3.62 and 3.21 eV, determined from reflectance spectrum. The photocatalytic behaviour of ZnO is strongly dependent on the formation of ZnWO{sub 4} phase, of the obtained rod-like nanoparticles.

Metodología para la evaluación de la calidad de plántulas de ciprés (cupressus lusitanica mill. en vivero

Directory of Open Access Journals (Sweden)

F. Rojas

2002-01-01

Full Text Available Con base en 24 parcelas permanentes de muestreo, establecidas aleatoriamente en bancales de producción de plántulas de ciprés (Cupressus lusitanica Mill. en el vivero forestal del Instituto Tecnológico de Costa Rica en Cartago, se realizó durante 28 semanas la presente investigación para la determinación de una metodología de evaluación de la calidad de ciprés en vivero. Se propone un sistema de muestreo aleatorio por bancales con base en parcelas aleatorias de dos hileras (28 plántulas, en las que se registran 11 variables cualitativas y cuantitativas en cada plántula muestreada. Los resultados registraron un 1,87 % de plántulas bifurcadas, 0,51 % con pérdida del meristemo, 2,21 % con torceduras severas en el tallo, un 15 % en posición sociológica suprimida, un 0,68 % con daños mecánicos, un 0,51 % con problemas fitosanitarios severos, un 13,5 % con problemas de mala calidad de raíces y un 3,92 % de las plántulas de calidad 3 o de rechazo. Las raíces registraron un crecimiento promedio semanal de 1,39 cm, el diámetro al cuello de 1,14 mm/semana, mientras que la altura total creció 1,3 cm/semana. La tasa de mortalidad se estabilizó entre la semana 12 y 15 después del repique y alcanzó porcentajes acumulados cercanos al 25 %. Se discuten aspectos de manejo y calidad genética de la semilla como posibles causas de los problemas de calidad en plántulas de ciprés en vivero. Finalmente, se proponen valores de aceptación y rechazo para la producción de plántulas de ciprés en vivero, con base en las variables de mayor importancia en su calidad y sobrevivencia.

A brief description and comparison of programming languages FORTRAN, ALGOL, COBOL, PL/1, and LISP 1.5 from a critical standpoint

Science.gov (United States)

Mathur, F. P.

1972-01-01

Several common higher level program languages are described. FORTRAN, ALGOL, COBOL, PL/1, and LISP 1.5 are summarized and compared. FORTRAN is the most widely used scientific programming language. ALGOL is a more powerful language for scientific programming. COBOL is used for most commercial programming applications. LISP 1.5 is primarily a list-processing language. PL/1 attempts to combine the desirable features of FORTRAN, ALGOL, and COBOL into a single language.

Cultural Resources Reconnaissance Survey for Geneva-on-the-Lake Small Boat Harbor Project.

Science.gov (United States)

1980-02-01

National Historic Preservation Act of 1966 (P.L. 89-665), the National Environnental Policy Act of 1969 (P.L. 91-190), Executive Order 11593 (1971), the...Archeological and His- toric Preservation Act of 1974 (P.L. 93-291), and the Advisory Council Procedures for the Protection of Historic and Cultural... pumpkin ), ard the presence of Zea maiz in solely cerenonial contexts (Brose 1977a; Tuck 1978). Very few Early Woodland sites have been located in

O valor autêntico de Plínio Salgado: o pensamento ideológico nacionalista em O Estrangeiro

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Leandro Pereira Gonçalves

2007-12-01

Full Text Available This essay intends to analyze the novel O estrangeiro of Plínio Salgado as a testimony of a specific social class, following the theoretical reference proposed by Lucien Goldmann. In this work, there can be found a revealing historiographical source for understanding the ideology present in the Brazilian Integralist Action. From then on, it has been possible to observe a conservative and authoritarian speech to the development of the Brazilian society. The genetic structuralism of Goldmann was used to verify the existence of artifices and ways that may prove whether the literary works of Plínio Salgado are considered novels, and therefore are expressions of bourgeoisie.

Biometria e morfologia da semente e plântula de oiticica

Directory of Open Access Journals (Sweden)

Fábio Oliveira Diniz

2015-10-01

Full Text Available A carência de trabalhos sobre plantas nativas da Caatinga nordestina é perceptível, sobretudo, no que se refere aos estudos de suas sementes. Dentre as referidas espécies, destaca-se por seus múltiplos usos, a oiticica (Licania rigida Benth. Objetivou-se com este trabalho determinar e descrever a biometria e morfologia da semente e plântula de oiticica. O trabalho foi conduzido no Laboratório de Análises de Sementes do Departamento de Fitotecnia/UFC. Foram realizadas, nas sementes, medições individuais de comprimento, largura e espessura e a determinação morfológica de suas partes internas e externas, além da caracterização da plântula com suas respectivas estruturas. A semente de oiticica é eurispérmica, apresenta comprimento de 3,1 a 5,0 cm, largura de 1,3 a 1,7 cm e espessura de 1,2 a 1,7 cm. O embrião é grande de formato linear, com cotilédones carnosos de cor branca amarelada, dobrados e apresentam nervuras e o eixo hipocótilo-radícula curto. Germinação inicia-se aos 15 dias, sendo hipógea criptocotiledonar. A plântula possui nas faces dos primórdios foliares, uma camada esbranquiçada com aspecto cotonoso.Biometry and morphology of seed and seedling of oiticicaAbstract: Lack of works in native plants of caatinga northeastern is obvious, especially, relating to study of seeds. Among these species, stands out for its multiple uses, the oiticica (Licania rigida Benth. The objective of present experiment was to determinate the biometry and morphology the seed and seedling of Licania rigida. The essay was conducted at the Laboratory of Analysis of Seeds of the Phytotechny Department/UFC. Used were what measurement referent this length, width end thickness as well as detailed description internal end external of seed. Results showed that the seeds are euryspermycs, has length 3.1 to 5.0 cm, width 1.3 to 1.7 cm and thickness 1.2 to 1.7 cm. The embryo is large linear format, with fleshy cotyledons yellowed, folded

18F-FET microPET and microMRI for anti-VEGF and anti-PlGF response assessment in an orthotopic murine model of human glioblastoma

DEFF Research Database (Denmark)

Nedergaard, Mette Kjoelhede; Michaelsen, Signe Regner; Urup, Thomas

2015-01-01

BACKGROUND: Conflicting data exist for anti-cancer effects of anti-placental growth factor (anti-PlGF) in combination with anti-VEGF. Still, this treatment combination has not been evaluated in intracranial glioblastoma (GBM) xenografts. In clinical studies, position emission tomography (PET) using......-FET MicroPET and MicroMRI for evaluation of anti-VEGF and anti-PlGF treatment response in GBM xenografts. METHODS: Mice with intracranial GBM were treated with anti-VEGF, anti-PlGF + anti-VEGF or saline. Bioluminescence imaging (BLI), 18F-FET MicroPET and T2-weighted (T2w)-MRI were used to follow tumour...... development. Primary end-point was survival, and tumours were subsequently analysed for Ki67 proliferation index and micro-vessel density (MVD). Further, PlGF and VEGFR-1 expression were examined in a subset of the xenograft tumours and in 13 GBM patient tumours. RESULTS: Anti-VEGF monotherapy increased...

El Datamart en una empresa industrial del sector plástico

OpenAIRE

Mellado Flores, Rubén Roberto; Mellado Flores, Rubén Roberto

2002-01-01

Pensamos que una empresa que quiera ser competitiva en los actuales momentos debe adoptar los conceptos de la administración digital y en lo relacionado al Front-offíce establecer sistemas del tipo CRM, Administración de las Relaciones con los Clientes. Parte central de éstos sistemas son los Datamart. En el presente trabajo queremos demostrar que con el uso de la Tecnología de la Información podemos obtener ventaja competitiva, para lo cuál planteamos el uso del Datamart. Primero pl...

Clinical and microbiological aspects of the use of Lactobacillus rhamnosus PL1 strains in proctological patients with symptoms of chronic proctitis.

Science.gov (United States)

Borycka-Kiciak, K; Strus, M; Pietrzak, P; Wawiernia, K; Mikołajczyk, D; Gałęcka, M; Heczko, P; Tarnowski, W

2017-06-30

Recurrent proctitis and the symptoms associated therewith pose significant clinical problem in proctological patients. The objective of this study was to assess the impact of the probiotic Lactobacillus rhamnosus PL1 strain on the clinical presentation and composition of intestinal microbiota in patients with symptoms of proctitis in the course of hemorrhoidal disease and diverticulosis. Material consisted of 24 patients in whom no complete clinical improvement could be obtained after the treatment of the underlying disease. Subject to the assessment was the presence and the intensity of clinical symptoms as well as qualitative and quantitative changes in the composition of bacterial flora detected in the stool before, during and after a 9-week supplementation with the probiotic Lactobacillus rhamnosus PL1 strain. In the entire study group, the intensity of pain after 12 weeks was significantly lower (p=0,.011) compared to baseline; the intensity of flatulence and abdominal discomfort was reduced significantly as early as after 3 weeks, with the difference reaching a highly significant level after 12 weeks (pP<0,.0001). No significant difference was observed in the frequency of the reported episodes of diarrhea, constipation, as well as itching and burning in the anal region. As early as after 3 weeks of supplementation with the probiotic L. rhamnosus PL1 strain, significant qualitative and quantitative changes were observed in the composition of intestinal microbiota; the changes differed depending on the underlying disease. An increase in the total counts of the bacteria of Lactobacillus genus, particularly L. rhamnosus PL1 strain was observed regardless of the underlying disease. Tthe probiotic Lactobacillus rhamnosus PL1 strain appears to be useful in restoring appropriate ratios of bacterial populations in patients presenting with symptoms of proctitis in the course of the treatment of certain diseases of the lower gastrointestinal tract.

Astronomia.pl: Ideas for the International Year of Astronomy 2009

Science.gov (United States)

Czart, K.; Pomierny, J.

2008-06-01

Astronomia.pl is an internet portal for Polish-speaking people. As a website, most of our activities in IYA2009 will focus on the internet and other electronic media. We will prepare a content-rich website, in cooperation with the Polish committee for IYA2009. We present some extended suggestions for ideas proposed by the IAU, like postage stamps or mobile phone wallpapers, ring tones and themes and some original propositions like naming a small Solar System body for each country, a computer game, a stadium as a solar clock, a media event with thousands of amateur astronomers in one place and a network of cities.

La leyenda madrileña del reloj de las monjas de San Plácido y el Semanario Pintoresco Español

Directory of Open Access Journals (Sweden)

Labrador Ben, Julia M.ª

2012-10-01

Full Text Available Many researchers and writers have written about the legend of the Monastery de la Encarnación, formerly the convent of San Plácido, starting, in many cases, with the text published by Carlos García Doncel in the Semanario Pintoresco Español . The sect of the Illuminati, the convent’s “possessed”, Felipe IV’s love affair with the novice Margarita, and the clock that the King bought her as a present, which sounded a death knell each quarter, are the core narrative elements of the legend of the clock of San Plácido.El madrileño Monasterio de la Encarnación, antes Convento de San Plácido, ha hecho correr ríos de tinta tanto por parte de investigadores como de numerosos literatos que partieron, en muchos casos, del texto publicado en el Semanario Pintoresco Español, escrito por Carlos García Doncel. La secta de los iluminati, las endemoniadas del convento, los amores de Felipe IV con la novicia Margarita y el reloj que regaló el Rey, que durante todos los cuartos sonaba a toque de difuntos, son los elementos narrativos nucleares de la leyenda del reloj de San Plácido.

Manual of Procedures for Applying for Funding under Title VI, Part B--Education of the Handicapped Act. P.L. 91-230 as Amended by P.L. 93-320, P.L. 94-142 and P.L. 99-457. EHA, Title VI, Part B--Third Year of a Three-Year Plan, 1988-89. ECIA, Chapter 1, Handicapped Preschool Grant Program.

Science.gov (United States)

North Carolina State Dept. of Public Instruction, Raleigh. Div. for Exceptional Children.

The manual presents procedures for local school districts in North Carolina applying for federal funding under Title VI, Part B, Education of the Handicapped Act, as amended by Public Laws 93-320, 94-142, and 99-457. The first chapter gives instructions for submission of amendments for the third year of the 3-year plan and includes an introduction…

Vozes diluídas no plágio: a (desconstrução autoral entre alunos de licenciaturas

Directory of Open Access Journals (Sweden)

Wagner Teixeira Dias

2015-04-01

Full Text Available Tendo como foco os trabalhos de pesquisa realizados por alunos de licenciaturas como instrumento avaliativo, apresentam-se aqui implicações do plágio na diluição da autoria. Por meio de entrevistas semiestruturadas com 30 licenciandos e 09 professores de licenciaturas, aferiu-se como o plágio é compreendido e como a pesquisa tem sido gerenciada nos cursos de licenciatura. Constatou-se que a orientação e o ensino de pesquisa têm sido deficitários e que os licenciandos não são formados para pesquisar ou ensinar seus futuros alunos a investigar. Assim, tanto se aponta para a necessidade de uma reflexão que dê ênfase à sensibilização para questões éticas, de orientação e de sanção para os casos de reincidência no plágio, como também, e de forma propositiva, debate-se a importância da construção da autoria na escola. Apoiados na teoria bakhtiniana, acredita- -se no diálogo entre vozes polifônicas para promover autorias e construção de conhecimento.

Review of organic nitrile incineration at the Toxic Substances Control Act Incinerator

International Nuclear Information System (INIS)

1997-10-01

Lockheed Martin Energy Systems, Inc. (LMES) operates the East Tennessee Technology Park (ETTP), formerly called the Oak Ridge K-25 Site, where uranium was enriched under contract with the US Department of Energy (DOE). Currently, ETTP missions include environmental management, waste management (WM), and the development of new technologies. As part of its WM mission, ETTP operates the TSCA (Toxic Substances Control Act) Incinerator (TSCAI) for treatment of hazardous waste and polychlorinated biphenyls (PCBs) contaminated with low-level radioactivity. Beginning in the autumn of 1995, employees from diverse ETTP buildings and departments reported experiencing headaches, fatigue, depression, muscle aches, sleeplessness, and muscle tremors. These symptoms were judged by a physician in the ETTP Health Services Department to be consistent with chronic exposures to hydrogen cyanide (HCN). The National Institute for Occupational Safety and Health (NIOSH) was called in to perform a health hazard evaluation to ascertain whether the employees' illnesses were in fact caused by occupational exposure to HCN. The NIOSH evaluation found no patterns for employees' reported symptoms with respect to work location or department. NIOSH also conducted a comprehensive air sampling study, which did not detect airborne cyanides at the ETTP. Employees, however, expressed concerns that the burning of nitrile-bearing wastes at the TSCAI might have produced HCN as a combustion product. Therefore, LMES and DOE established a multidisciplinary team (TSCAI Technical Review Team) to make a more detailed review of the possibility that combustion of nitrile-bearing wastes at the TSCAI might have either released nitriles or created HCN as a product of incomplete combustion (PIC)

Crescimento sustentável da indústria de plásticos criando estratégias de ação.

Directory of Open Access Journals (Sweden)

James T. C. Wright

2004-06-01

Full Text Available As empresas que produzem plásticos enfrentam o enorme desafio de como assegurar a sustentabilidade de um setor cujos produtos, uma vez descartados, levam mais de 300 anos para a degradação. No Brasil, o consumo per capita de plásticos passará de aproximadamente 20 kg/ano para cerca de 35 kg/ano em 2010, totalizando 6,5 milhões de toneladas/ano. Diante desse contexto, e da necessidade de o setor estabelecer as bases para um crescimento ambientalmente sustentável, os autores propõem um programa de ação para incrementar a reciclagem de plásticos no País. Foi utilizada uma metodologia de Estruturação para Mudança, com aplicação das técnicas Análise e Estruturação de Modelos e Delphi para a definição de estratégias e ações para o setor, a partir de uma visão integrada do problema.

Periodic assessment of plasma sFlt-1 and PlGF concentrations and its association with placental morphometry in gestational hypertension (GH) - a prospective follow-up study.

Science.gov (United States)

Jeevaratnam, Kamalan; Nadarajah, Vishna Devi; Judson, John Paul; Nalliah, Sivalingam; Abdullah, Mohd Farouk

2010-09-28

Hypertensive disorders in pregnancy contributes to about 12% of maternal deaths in Malaysia and similarly worldwide. Early detection and adequate management are preventable strategies. Biochemical markers of abnormal angiogenesis would be more specific in early detection than routine blood pressure and proteinuria measurements. The aim of this study was to estimate maternal plasma PlGF and sFlt-1 levels in pregnant women with gestational hypertension at three intervals of pregnancy and correlate these biomarker levels with placental morphometry. Venous blood samples (antepartum, intrapartum and post partum periods) were drawn to estimate for sFlt-1 and PlGF levels while placental tissue samples were examined for placental morphometry. PlGF levels were lower in gestational hypertension (GH) compared to normotensive during antepartum and intrapartum period, whereas sFlt-1 levels were elevated in GH at antepartum, intrapartum and postpartum intervals during pregnancy. An inverse relationship between these two biomarkers was observed through correlation analysis. PlGF levels were inversely correlated with total villous surface area of the placental periphery (TCsa-C) and villous capillarization (VC-C) of the placental periphery. We established periodic values of for sFlt-1 and PlGF levels for the first time in an ethnically diverse Malaysian setting. We suggest the development of GH in women is related to defective capillarization. In demonstrating periodic changes, this study suggest the possibility of developing GH and other long term health complications as a result of prolonged exposure to sFlt-1. The correlation between PlGF levels and morphometric findings also support possible capillarization defect.

Reversible photo-induced trap formation in mixed-halide hybrid perovskites for photovoltaics† †Electronic supplementary information (ESI) available: Experimental details, PL, PDS spectra and XRD patterns. See DOI: 10.1039/c4sc03141e Click here for additional data file.

Science.gov (United States)

Hoke, Eric T.; Slotcavage, Daniel J.; Dohner, Emma R.; Bowring, Andrea R.

2015-01-01

We report on reversible, light-induced transformations in (CH3NH3)Pb(BrxI1–x)3. Photoluminescence (PL) spectra of these perovskites develop a new, red-shifted peak at 1.68 eV that grows in intensity under constant, 1-sun illumination in less than a minute. This is accompanied by an increase in sub-bandgap absorption at ∼1.7 eV, indicating the formation of luminescent trap states. Light soaking causes a splitting of X-ray diffraction (XRD) peaks, suggesting segregation into two crystalline phases. Surprisingly, these photo-induced changes are fully reversible; the XRD patterns and the PL and absorption spectra revert to their initial states after the materials are left for a few minutes in the dark. We speculate that photoexcitation may cause halide segregation into iodide-rich minority and bromide-enriched majority domains, the former acting as a recombination center trap. This instability may limit achievable voltages from some mixed-halide perovskite solar cells and could have implications for the photostability of halide perovskites used in optoelectronics. PMID:28706629

Antimicrobial potential of triticale stillage after lactic acid fermentation with Lactobacillus fermentum PL-1

OpenAIRE

Kujundžić Žužana; Dimić Gordana R.; Markov Siniša L.; Kocić-Tanackov Sunčica D.; Mojović Ljiljana V.; Pejin Jelena D.; Marković Milica N.

2013-01-01

This study is concerned with the testing of antimicrobial activity of triticale stillage obtained after lactic fermentation by Lactobacillus fermentum PL-1. The antimicrobial tests were performed using the disc-diffusion and agar well diffusion methods. It was found that fermented triticale stillage after lactic acid fermentation exhibited an inhibitory effect towards tested Gram positive and Gram negative bacteria: Escherichia coli, Salmonella enteritidis,...

Arte de recreo: La experiencia plástica como medio educativo

OpenAIRE

Álvarez Romero, María

2016-01-01

Este proyecto propone defender un arte colectivo que funcione en su plenitud con la colaboración del público. Hace uso del factor procesual y relacional para acercarlo a las personas que no tienen noción del arte contemporáneo. Propone hacer partícipe al espectador de la creación plástica y otorgar más importancia a la experiencia que adquieran que a su resultado final. Tenemos la intención de reencantar el arte a través de la atracción, la estética y el juego. Buscamos influir...

de artes plásticas

Directory of Open Access Journals (Sweden)

Julieta Castro Bonilla

2007-01-01

Full Text Available El texto que a continuación presento, surge de una investigación en la que participan docentes que imparten lecciones en instituciones del sistema educativo y se preocupan por renovar sus prácticas pedagógicas con el propósito de que sus estudiantes ¬-niños y adolescentes-apliquen los aprendizajes mediante nuevas formas de expresión artística. En el artículo se menciona la metodología que aplica esa investigación, la cual se organiza mediante “fases” que facilitan espacios reflexivos que permiten valorar el trabajo docente mediante el enfoque cualitativo que promueve la investigación-acción en el aula. También se hace referencia a la fundamentación de una práctica pedagógica que le permite al profesor y a sus estudiantes, la posibilidad de asignar nuevos significados al trabajo que se realiza dentro y fuera del contexto escolar. Finalmente, se ofrecen algunas propuestas metodológicas que se dirigen de manera especial a quienes imparten lecciones de artes plásticas en la educación secundaria, aunque se pueden adecuar a otras poblaciones estudiantiles, mediante la planificación de proyectos que tiendan a mejorar las experiencias artísticas de quienes participan en los procesos de aprendizaje. Se espera que el texto facilite la organización de investigaciones que favorezcan la innovación en el aula.

La Educación Plástica en el segundo ciclo de la Educación Infantil, fomentando la creatividad

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Rupérez de Grado, Marta

2013-01-01

Este trabajo de carácter teórico-práctico presenta el estudio de la situación actual de la Educación Plástica teniendo en cuenta sus antecedentes. Muestra en profundidad esta disciplina, sus aportaciones y beneficios para la formación de la persona.Investiga sobre la opinión que tienen respecto al tema docentes y familias y parte de estos resultados para proponer actividades adecuadas a la forma correcta en que queremos promulgar que se trabaje la Educación Plástica Grado en Educación Infa...

Plan de desarrollo estratégico para la compañía plásticos chempro: línea hogar

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Coello Cazar, David; Plaza De La Rosa, Vanessa; Pastor Lopez, Bolivar

2009-01-01

El tema presentado es un Plan de Desarrollo Estratégico, también llamado Plan de Mercadeo que se realizó a una compañía que produce y comercializa productos plásticos en cuatro diferentes líneas de producción: Línea Hogar (con productos para la cocina, baño y limpieza), Línea Juguetería, Línea Avícola (comederos y bebederos par animales de granja, especialmente pollos) y Línea Industrial (casilleros de seguridad fabricados en plásticos). El estudio se enfocó exclusivamente a la línea Hoga...

Processamento de plásticos e materiais compósitos: comportamento mecânico de componentes em serviço

OpenAIRE

Capela, Carlos Alexandre Bento

2010-01-01

As vantagens dos materiais plásticos, tais como facilidade de processamento, baixo custo, alta produtividade e versatilidade, permite obter plásticos e materiais compósitos de matriz polimérica para um grande número de aplicações em engenharia. Os materiais compósitos são, actualmente, muito utilizados não só na indústria aeroespacial, mas, também, num crescente número de aplicações de Engenharia Mecânica, tais como componentes de máquinas, vasos de pressão, equipamentos industriais de proces...

Las Artes Plásticas como medio articulador del currículo escolar

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Alba Fernández-Zamora

2007-12-01

Full Text Available Recibido 2 de noviembre de 2006 • Aprobado 30 de noviembre de 2006   Este ensayo se basa en la experiencia realizada por una maestra, en la cual integra el currículum, correlacionando las disciplinas de la matemática, ciencias, estudios sociales y español a través de los elementos del lenguaje plástico. La experiencia se desarrolló en una escuela rural costarricense.

Definition, translation and application of user-oriented languages as extensions of PL/1 in the CAD-systems REGENT

International Nuclear Information System (INIS)

Enderle, G.

1975-09-01

The integrated CAD-system REGENT serves for modular development of programs for different application areas, for management of data storage and data transfer and easy and safe application of programs by means of user-oriented languages. Programs, data and language for an application area form a REGENT-subsystem. The problem language system of REGENT, PLS (Problem Language System), provides facilities for the development of a problem oriented language for every subsystem as extensions of the base language PL/1. In this paper the translation of problem oriented languages by a precompiler into PL/1 and the definition of language extensions and datastructures for subsystems are described. Development and application of the language for a fluiddynamic-subsystem is shown. (orig.) [de

Respuesta de plántulas de café a la fertilización foliar y la aplicación de pulpa de café compostada.

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Posada Tobón Claudia

2003-06-01

Full Text Available El objetivo de este trabajo fue evaluar la respuesta de plántulas de café a la aplicación de fertilizantes foliares y compost de pulpa de café como parte del sustrato de crecimiento. Las plántulas de café (Coffea arabica L c.v. Colombia se transplantaron a bolsas plásticas que contenían suelo (Typic Dystrudept o una mezcla suelo con pulpa (suelo+pulpa en proporción 3:1. Treinta días después del trasplante las plántulas de café recibieron uno de cinco fertilizantes foliares (16-16-2-EM, 18-10-4-EM, 10-4-7-0.5, 12-60-0 y 7.5-0.5-3.5. Las aplicaciones se repitieron cada treinta días durante los siguientes cinco meses. Para ambos sustratos (suelo y suelo+pulpa se incluyeron testigos sin fertilización foliar. Los tratamientos se organizaron en un diseño experimental completamente al azar con cuatro repeticiones por tratamiento. Mensualmente se evaluó el número de hojas y la altura de las plantas. Ciento ochenta días después del trasplante se cosecharon las plántulas y se determinó la masa seca aérea y radical. Los resultados indican que solamente hubo respuesta significativa (P  0.01 de las plántulas de café a la fertilización foliar cuando el sustrato fue suelo+pulpa. El fertilizante foliar 12-60-0 incrementó significativamente el crecimiento de las plantas por encima de los otros fertilizantes. Los resultados son discutidos en términos de los cambios en la fertilidad del suelo debido a la aplicación de la pulpa de café y al balance nutricional que pueden proveer los fertilizantes foliares.

Sistema de Gestión de la Calidad en la empresa de maduración y venta de Plátanos, Plátanos Mochilo, S.A.

OpenAIRE

Fuentes-Cantó, Carlos

2012-01-01

El presente trabajo de fin de máster consiste en aplicar todos los conocimientos obtenidos a lo largo de este máster en la implantación de un sistema de calidad, según las directrices de la Norma ISO 9001. Para ello, y con ayuda de la empresa donde he realizado las prácticas de empresa, se ha planteado una empresa dedicada al sector hortofrutícola, concretamente a la maduración y comercialización de plátanos. Gracias a todos los compañeros de esta empresa, he podido conocer de pri...

Morfologia da flor, fruto e plântula de Victoria amazonica (Poepp. J.C. Sowerby (Nymphaeaceae Morphology of flower, fruit and seedling of Victoria amazonica (Poepp. J.C. Sowerby (Nymphaeaceae

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Sônia Maciel da Rosa-Osman

2011-03-01

Full Text Available Victoria amazonica (Poepp. J.C. Sowerby é uma hidrófita que ocorre nas várzeas de águas brancas e igapós da Bacia Amazônica e na Bacia do rio Paraguai. A morfologia da flor, fruto e plântula/"tirodendro" é objeto do presente trabalho. O material botânico foi coletado em Parintins e Manaus, estado do Amazonas, Brasil. A análise morfológica foi feita em material fresco e fixado em FAA 50. O desenvolvimento das plântulas foi realizado no escuro em frascos com água com teor reduzido de oxigênio. As flores possuem pedicelo longo e são hemicíclicas, diclamídeas, monoclinas e com antese vespertina. Os frutos são carnosos, indeiscentes, com pseudossincarpia. As sementes apresentam arilo que atua na dispersão pela água. As plântulas se desenvolvem em condições de hipoxia e apresentam um cotilédone exposto acicular. O "tirodendro" apresenta eofilos com heterofilia. As flores apresentam caracteres morfológicos básicos da família, a definição do tipo de fruto exige estudo ontogenético e a heterofilia é um caráter típico de plântulas/"tirodendros"de Nymphaeaceae.Victoria amazonica (Poepp. J.C. Sowerby is a hydrophyte that occurs in the white water leas and igapos of the Amazonian and Paraguay Basin. The flower, fruit and seedling/"tirodendro" morphology is the object of the present work. The botanical material was collected at Parintins and Manaus, Amazonian state, Brazil. The morphological analysis was made in both fresh and fixed material. The seedling development was accomplished in flasks with water containing little oxygen and maintained in the darkness. Flowers present long pedicel and they are hemicyclic, dichlamydeous, bisexual with vespertine anthesis. Fruits are fleshy, indehiscent with pseudo-syncarpy. Seeds present aril that acts in the water dispersion. Seedlings grow in hypoxy conditions and they present an acicular and exposed cotyledon. The "tirodendro" stage presents eophylls with heterophylly. Flowers

Modelo de Programación Lineal Multiobjetivo para la Logística Inversa en el Sector Plástico de Polipropileno

OpenAIRE

De la Hoz, Efraín; Vélez, Jorge; López, Ludys

2017-01-01

En esta investigación se presenta un modelo de programación lineal multiobjetivo para la logística inversa del sector plástico de polipropileno. Para ello, se realizó una revisión de los referentes teóricos relacionados con el proceso de recuperación del plástico de polipropileno a partir de residuos sólidos urbanos y los desperdicios de los procesos industriales. Seguidamente se definió un modelo de programación lineal multiobjetivo el cual incorpora las variables y parámetros identificados ...

Periodic assessment of plasma sFlt-1 and PlGF concentrations and its association with placental morphometry in gestational hypertension (GH - a prospective follow-up study

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Nalliah Sivalingam

2010-09-01

Full Text Available Abstract Background Hypertensive disorders in pregnancy contributes to about 12% of maternal deaths in Malaysia and similarly worldwide. Early detection and adequate management are preventable strategies. Biochemical markers of abnormal angiogenesis would be more specific in early detection than routine blood pressure and proteinuria measurements. The aim of this study was to estimate maternal plasma PlGF and sFlt-1 levels in pregnant women with gestational hypertension at three intervals of pregnancy and correlate these biomarker levels with placental morphometry. Methods Venous blood samples (antepartum, intrapartum and post partum periods were drawn to estimate for sFlt-1 and PlGF levels while placental tissue samples were examined for placental morphometry. Results PlGF levels were lower in gestational hypertension (GH compared to normotensive during antepartum and intrapartum period, whereas sFlt-1 levels were elevated in GH at antepartum, intrapartum and postpartum intervals during pregnancy. An inverse relationship between these two biomarkers was observed through correlation analysis. PlGF levels were inversely correlated with total villous surface area of the placental periphery (TCsa-C and villous capillarization (VC-C of the placental periphery. Conclusion We established periodic values of for sFlt-1 and PlGF levels for the first time in an ethnically diverse Malaysian setting. We suggest the development of GH in women is related to defective capillarization. In demonstrating periodic changes, this study suggest the possibility of developing GH and other long term health complications as a result of prolonged exposure to sFlt-1. The correlation between PlGF levels and morphometric findings also support possible capillarization defect.

Imagen, artista y enfermedad en la creación plástica

OpenAIRE

Sánchez García, Nieves

2013-01-01

NOTA 520 8 La Tesis Doctoral, titulada “Imagen, artista y enfermedad en la creación plástica“, tiene como objetivo investigar y establecer la relación entre el arte, - como proceso creativo- y la enfermedad, entendida esta como un factor importante e, incluso, decisivo en la propia configuración de la imagen y de la personalidad del artista. Como punto de partida, se procede a analizar diacrónicamente y con profundidad el concepto de “la leyenda del artista” y la consideración social de la...

The First Paenibacillus larvae Bacteriophage Endolysin (PlyPl23) with High Potential to Control American Foulbrood.

Science.gov (United States)

Oliveira, Ana; Leite, Marta; Kluskens, Leon D; Santos, Sílvio B; Melo, Luís D R; Azeredo, Joana

2015-01-01

Endolysins, which are peptidoglycan-degrading enzymes expressed during the terminal stage of the reproduction cycle of bacteriophages, have great potential to control Gram-positive pathogens. This work describes the characterization of a novel endolysin (PlyPl23) encoded on the genome of Paenibacillus larvae phage phiIBB_Pl23 with high potential to control American foulbrood. This bacterial disease, caused by P. larvae, is widespread in North America and Europe and causes important economic losses in apiculture. The restriction to antibiotic residues in honey imposed by the EU legislation hinders its therapeutic use to combat American foulbrood and enforces the development of alternative antimicrobial methods. The new endolysin described herein has an N-acetylmuramoyl-L-alanine amidase catalytic domain and exhibits a broad-spectrum activity against common P. larvae genotypes. Moreover, the enzyme displays high antimicrobial activity in a range of pH that matches environmental conditions (pH between 5.0 and 7.0), showing its feasible application in the field. At pH 7.0, a concentration of 0.2 μM of enzyme was enough to lyse 104 CFU.mL-1 of P. larvae in no more than 2 h. The presence of sucrose and of the substances present in the larvae gut content did not affect the enzyme activity. Interestingly, an increase of activity was observed when PlyPl23 was previously incubated in royal jelly. Furthermore, in vivo safety evaluation assays demonstrated that this enzyme is not toxic to the bee larvae. The present work describes for the first time an endolysin encoded in a P. larvae phage that presents high potential to integrate a commercial product to control the problematic American foulbrood.

KSC Press Site Transformer Bldg. (K7-1205c) SWMU 074 Interim Measure Work Plan

Science.gov (United States)

Starr, A. Scott; Applegate, Joe

2014-01-01

This document presents and discusses the Interim Measure (IM) Work Plan for the Press Site Transformer Building (K7-1205C). The purpose of the proposed IM activities is to remove soil affected with polychlorinated biphenyls (PCBs) greater than the Florida Department of Environmental Protection (FDEP) residential direct-exposure Soil Cleanup Target Level (R-SCTL) of 0.5 milligrams per kilogram and encapsulate concrete exhibiting PCB concentration greater than the Toxic Substance Control Act (TSCA) threshold of 50 milligrams per kilogram.

Efecto del Uso de Antioxidantes en Plátano Verde Dominico-Hartón (Musa AAB Simmonds) Cortado en Rodajas

OpenAIRE

Dussán-Sarria, Saúl; Gaona-Acevedo, Andrés Felipe; Hleap-Zapata, Jose Igor

2017-01-01

Se evaluaron las propiedades físico-químicas, firmeza en la pulpa e índice de pardeamiento del plátano verde (Musa AAB Simmonds) mínimamente procesado durante 21 días de almacenamiento a temperatura de 11±2 0C y humedad relativa de 92 ± 2 %. El plátano verde es uno de los frutos de mayor producción y consumo en Colombia. Sin embargo, cuando sufre un daño mecánico como un corte, ocurren cambios, en su apariencia y sabor debido a la elevada actividad metabólica típica de un producto climatérico...

Ingestão de plástico pelo atobá-mascarado, Sula dactylatra Lesson, 1831, na Reserva Biológica do Atol das Rocas, RN, Brasil

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Erich de Freitas Mariano

2012-08-01

Full Text Available http://dx.doi.org/10.5007/2175-7925.2012v25n4p285   Partículas plásticas constituem um dos poluentes mais comuns no ambiente marinho e atingem inclusive regiões com baixa densidade populacional humana. Frequentemente, essas partículas são ingeridas por diversos organismos marinhos, ocasionando problemas no trato digestivo, que podem culminar no enfraquecimento e morte do animal. Em um estudo acerca da alimentação de 631 Atobás-mascarados, Sula dactylatra, na Reserva Biológica do Atol das Rocas, foram encontradas partículas plásticas no conteúdo estomacal de quatro indivíduos adultos. Os artefatos plásticos encontrados constituíam-se de um plástico transparente, um pedaço de rótulo de garrafa de água mineral, dois pedaços de plástico preto e um pedaço rígido pequeno e vermelho. O fluxo de embarcações, tanto pesqueiras quanto turísticas, no entorno da ReBio Atol das Rocas pode ser a fonte de origem das peças plásticas tanto nos conteúdos estomacais quanto os encontrados nas ilhas da reserva, evidenciando que ações antropogênicas já atingem áreas isoladas, as quais deveriam ter um elevado grau de proteção da biodiversidade. Diversas medidas podem ser tomadas para evitar eventos deletérios na biota marinha, porém há uma grande dificuldade em evitar o descarte de lixo proveniente de navios pesqueiros e de turismo, além dos materiais vindos do continente, sendo necessário um incremento nos esforços de conscientização e fiscalização.

Propuesta estratégica de marketing para la comercialización de productos plásticos venezolanos en el mercado costarricense

OpenAIRE

Steblina de Zambrado, Jessica Alexandra

2006-01-01

Tesis de maestría -- Universidad de Costa Rica. Posgrado en Administración y Dirección de Empresas. Maestría Profesional en Administración y Dirección de Empresas con énfasis en Mercadeo y Ventas, 2006 El objetivo general del trabajo es brindar un marco de referencia basado en la investigación de mercados para los productos manufacturados de plástico de origen venezolano, a saber: envases y tapas plásticas del sector farmacéutico, en el mercado costarricense, con el fin de ofrecer a los ex...

Efecto de diferentes presentaciones comerciales de plátano Hartón sobre la relación costo-beneficio de los productores de la Cuenca del Lago de Maracaibo

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Juan Carlos Nava

2014-01-01

Full Text Available El objeto de este trabajo consistió en evaluar el efecto de las diferentes presentaciones comerciales del fruto de plátano Hartón (Musa AAB en racimos, en bolsas: presentaciones de 10 unidades y desgranado en cestas de 22 Kg sobre la relación costo-beneficio de los productores de la cuenca del Lago de Maracaibo. La investigación fue de tipo aplicada con un diseño experimental de campo, de bloques completos, al azar generalizado, La unidad experimental fue la pesada, compuesta por racimos de plátano hasta llegar a los 300 kg. Se realizaron mediciones de las variables: número de racimos, masa del racimo (kg, número de manos, número de dedos, kilos por cestas, ingresos, costos variables y la relación costo/beneficio. Se efectuó análisis de varianza y pruebas de Tukey con el paquete estadístico S.A.S. versión 9.1. Los resultados obtenidos reflejaron que la presentación en cestas (kilogramos fue la forma de presentación comercial que generó mejor relación costo-beneficio a los productores de plátano de dicha zona. Los productores de plátano dependieron de la modalidad de camionero-comerciante para la venta de sus frutos. La caracterización de la pesada de plátano como unidad de venta presentó una media de 223,44 manos, 41 racimos por pesada y 1.104,3 frutos de plátano. Se recomienda que los productores de plátano de ahora en adelante utilicen la forma de presentación comercial en cestas, lo que les generará mayores ingresos

Impact of Obstructive Sleep Apnea on the Levels of Placental Growth Factor (PlGF and Their Value for Predicting Short-Term Adverse Outcomes in Patients with Acute Coronary Syndrome.

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Antonia Barcelo

Full Text Available Placental growth factor (PlGF induces angiogenesis and promotes tissue repair, and plasma PlGF levels change markedly during acute myocardial infarction (AMI. Currently, the impact of obstructive sleep apnea (OSA in patients with AMI is a subject of debate. Our objective was to evaluate the relationships between PlGF levels and both the severity of acute coronary syndrome (ACS and short-term outcomes after ACS in patients with and without OSA.A total of 538 consecutive patients (312 OSA patients and 226 controls admitted for ACS were included in this study. All patients underwent polygraphy in the first 72 hours after hospital admission. The severity of disease and short-term prognoses were evaluated during the hospitalization period. Plasma PlGF levels were measured using an electrochemiluminescence immunoassay.Patients with OSA were significantly older and more frequently hypertensive and had higher BMIs than those without OSA. After adjusting for age, smoking status, BMI and hypertension, PlGF levels were significantly elevated in patients with OSA compared with patients without OSA (19.9 pg/mL, interquartile range: 16.6-24.5 pg/mL; 18.5 pg/mL, interquartile range: 14.7-22.7 pg/mL; p1, even after adjustment.The results of this study show that in patients with ACS, elevated plasma levels of PlGF are associated with the presence of OSA and with adverse outcomes during short-term follow-up.ClinicalTrials.gov NCT01335087.

A legislative history of the Social Security Protection Act of 2004.

Science.gov (United States)

Hansen, Erik

2008-01-01

Passage of the original Social Security Act in 1935, Public Law (P.L.) 74-271, represented one of the watershed achievements of social welfare reform in American history. For the first time, workers were guaranteed a basic floor of protection against the hardships of poverty. In the ensuing decades, more than 100 million beneficiaries have realized the value of this protection through the receipt of monthly Social Security payments. As this guarantee has endured and progressed, the policies and administration of such a vast and complex program have required ongoing modifications-more than 150 such revisions over the past 73 years. To some extent, these amendments can be seen as an ongoing refinement process, with the Social Security Protection Act of 2004 (SSPA) being another incremental step in the development of a social insurance program that best meets the evolving needs of American society. This article discusses the legislative history of the SSPA in detail. It includes summaries of the provisions and a chronology of the modification of these proposals as they passed through the House and Senate, and ultimately to the president's desk.

Plágio acadêmico: a responsabilidade das associações científicas

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Rosa Maria Cardoso Dalla Costa

Full Text Available Resumo Este artigo faz uma análise da responsabilidade civil das associações científicas em relação ao plágio cometido por terceiros. Investiga de que forma essas associações podem ou não ser responsabilizadas por textos plagiados que lhe são apresentados e, consequentemente, publicados em seus websites. Propõe uma análise que relaciona o fenômeno das transformações sociais introduzidas pelas Tecnologias da Informação e da Comunicação – TICs, em especial a internet, com a legislação vigente de proteção aos direitos do autor. A partir daí, fundamenta a análise conceitual da responsabilidade civil e das teorias da culpa e do risco. Finalmente, analisa as mudanças nesta relação introduzidas pelas NTICs e as interpretações a ela dadas pelo Marco Civil da Internet, em vigor desde 2014. Como conclusão, aponta que tais associações – equiparadas a portais de conteúdo da internet – podem ser responsabilizadas objetivamente em caso de plágio, se quando notificadas judicialmente não retirarem de seus websites os textos plagiados.

Caracteres das sementes, plântulas e plantas jovens de Ormosia arborea (Vell. Harms E Ormosia fastigiata Tul. (Leg-papilionoideae

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Cristina Gurski

2012-02-01

Full Text Available Ormosia arborea (Vell. Harms e Ormosia fastigiata Tul. são espécies similares em muitos caracteres morfológicos, o que resulta em dificuldade na sua identificação, tanto em campo quanto em material herborizado. Neste estudo foram descritas as características morfológicas das sementes e morfoanatômicas das plântulas e plantas jovens de O. arborea e O. fastigiata, coletadas em restinga e em mata ciliar, respectivamente. Sementes e plântulas foram processadas segundo técnicas usuais. As sementes de O. arborea são mais pesadas e têm germinação hipógea criptocotiledonar. O caule contém tricomas tectores esparsos e grande quantidade de lenticelas e, na raiz, nodulações. A folha apresenta parênquima paliçádico de células mais curtas, com base mais larga e presença de pigmentos vacuolares, espaços intercelulares conspícuos no parênquima esponjoso, tricomas tectores restritos à nervura principal e células epidérmicas da face adaxial maiores que as da face abaxial. A germinação de O. fastigiata é fanerocotiledonar, e a plântula possui muitos tricomas ao longo do caule e lenticelas restritas à região basal deste. As folhas apresentam tricomas tectores em todas as nervuras, com parênquima paliçádico de células tipicamente alongadas e parênquima esponjoso com espaços intercelulares reduzidos. Tais características são consistentes para separar as plântulas e sementes dessas espécies, que têm a mesma denominação popular e contribuem com informações úteis para o meio produtivo.

Sobredotação e arte: Factores Influentes na Expressão Plástica de Alunos Sobredotados

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Marcela Pinho

2010-10-01

Full Text Available A problemática da educação dos sobredotados tem motivado as mais diversas reflexões e pesquisas conducentes a uma maior consciencialização das especificidades destes alunos e, por conseguinte, a uma actuação mais ajustada dos professores e demais agentes educativos. A sobredotação e a expressão plástica constituem o núcleo de estudo do trabalho que divulgamos neste artigo, onde se assumem os seguintes objectivos: (i identificar as características da criatividade e os sinais de motivação que se revelam na expressão plástica de crianças/jovens sobredotados; (ii apontar os principais factores influentes na produção plástica dos alunos sobredotados que, neste domínio, evidenciam criatividade e motivação. The issue of gifted education has motivated many different reflections and research leading to greater awareness of the specificities of these students and, therefore, a more adjusted performance of teachers and other educational agents. Giftedness and plastic expression are the core of work study disclosed that this article, where the following objectives are: (i to identify the characteristics of creativity and the motivation signs revealed in the plastic expression of gifted children/youngsters; (ii to recognize the main influencing factors in the plastic production of gifted students that, in this area, show creativity and motivation.

Wheat seedling emergence estimated from seed analysis Emergência de plântulas de trigo estimadas a partir da análise de sementes

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Alexandra Augusti Boligon

2011-06-01

Full Text Available There are various vigor tests for the evaluation of seeds physiological quality, however, few studies correlate this tests with plants emergency. This study aimed at identifying wheat (Triticum aestivum L. seed analysis variables that best predict seedling emergence. Wheat seeds (CEP 30 cultivar were divided into two batches, one initially subjected to the accelerated ageing process and forming the low-quality batch, and the other, without application of the accelerated ageing process, to compose a high-quality batch. The following seed test variables were evaluated: (i percentage of normal seedlings in the germination tests, (ii initial germination counting, (iii accelerated ageing, (iv cold test without soil, (v germination speed index, and (vi emergence of seedlings in sand after seven and 15 days. The following seedling characteristics were evaluated: root and shoot lengths, total length, and dry mass of the root and shoot. The characteristics evaluated for the seedlings were subjected to path analysis and the seed tests variables to stepwise multiple regression analysis, taking seedling emergence at seven days as the response variable. Factor analysis was also carried out on all variables. Dry mass of the shoot and root length presented the best correlation with seedling emergence for the high-quality batch, but this behavior was not observed for any variable in the low-quality batch. Accelerated ageing was the best seedling emergence estimator for both batches of the used cultivar.Existem inúmeros testes de vigor que podem ser utilizados na avaliação da qualidade fisiológica das sementes, porém, são poucos os estudos que relacionam estes testes com a emergência de plântulas das culturas. Identificaram-se variáveis da análise de sementes de trigo (Triticum aestivum L. que mais bem predizem a emergência de plântulas dessa cultura. Um lote de sementes de trigo do cultivar CEP 30 foi dividido em dois sublotes, sendo um submetido

Reciclagem de materiais plásticos: a importância da identificação correta Plastic materials recycling: the importance of the correct identification

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Leda Coltro

2008-06-01

Full Text Available Muitos produtos de material plástico apresentam código de identificação (normalmente um número de 1 a 7 dentro de um triângulo de três setas e sob o mesmo uma abreviatura indicando o tipo de plástico do qual o produto é feito para auxiliar sua separação e posterior reciclagem e revalorização, contribuindo com a recuperação dos materiais plásticos descartados com o resíduo sólido urbano. Como as embalagens têm rotatividade alta, é importante que as mesmas apresentem o símbolo de identificação da resina a fim de facilitar a cadeia de reciclagem do plástico. Neste trabalho, foi feito um levantamento de dados sobre os símbolos de identificação dos materiais plásticos em um total de 177 embalagens plásticas rígidas para o acondicionamento de diversos produtos alimentícios e não alimentícios disponíveis no mercado brasileiro. Apesar da norma brasileira ABNT NBR 13230 já ter 14 anos, há ainda heterogeneidade na identificação das embalagens plásticas. Somente cerca de 80% das embalagens avaliadas apresentaram o símbolo de identificação da resina. Além disso, em alguns casos até 40% das embalagens apresentaram a identificação do material de forma incorreta. Portanto, ainda existe informação errônea no mercado brasileiro sobre o tipo de material da embalagem plástica (incluindo ausência do símbolo de identificação, bem como falta de informação sobre o símbolo correto de identificação da resina, sendo que ambos os fatores prejudicam a cadeia de reciclagem do plástico.Many plastic-based products show a resin identification code - usually a number from 1 to 7 inside a three-arrow triangle above a monogram - to identify the type of plastic used to make the product, for assisting in its separation and later recycling. In other words, to facilitate the recovery of plastics discarded with the municipal solid waste. Since packages have a high rotation, the presence of the resin identification code is

Ladrillos y placas prefabricadas con plásticos reciclados aptos para la autoconstrucción

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Rosana Gaggino

2008-01-01

Full Text Available Esta publicación trata sobre una investigación llevada a cabo en el CEVE relativa a la fabricación de elementos constructivos utilizando materiales plásticos reciclados. La investigación ha logrado los siguientes objetivos: Tecnológico: desarrollar componentes de construcción livianos, de buena aislación térmica, y resistencia mecánica suficiente para cumplir la función de cerramiento lateral de viviendas. Ecológico: colaborar en la descontaminación del medio ambiente. Económico: abaratar costos en la producción de elementos constructivos para la vivienda de interés social. Social: poner en manos de auto-constructores la elaboración de los componentes constructivos. De género: desarrollar una tecnología constructiva apta para mujeres, por la liviandad de los componentes. Se utilizan como materia prima materiales reciclados plásticos, promoviendo el uso racional de recursos disponibles en lugar de enterrarlos, quemarlos o acumularlos en basureros al aire libre; aplicando procedimientos de elaboración que no son contaminantes del medio ambiente, por lo cual es una tecnología sustentable.

Estudo do crescimento inicial de plântulas de Cereus jamacaru DC em diferentes substratos

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Wanderlucia Silva Rodrigues

2014-12-01

Full Text Available O presente trabalho objetivou avaliar o desenvolvimento de mudas de Cereus jamacaru DC, em substratos a base de fibra de coco e casca de arroz carbonizada. Os tratamentos utilizados foram dispostos em um delineamento inteiramente casualizado constituídos por cinco substratos a base de fibra de coco (FC e casca de arroz carbonizado (CAC, misturados com diferentes proporções volumétricas. Os tratamentos constituíram-se dos substratos 100% FC (T1, 100% CAC (T2, 75%FC+25%CAC (T3, 50%FC+50%CAC (T4, e 25%FC+75%CAC (T5. Cada tratamento foi composto por 14 repetições com 2 plantas por tratamento. Caixas de plástico transparente foram utilizados como recipientes. Aos 125 dias após o transplantio, foram avaliadas as seguintes variáveis das plântulas: comprimento, número, massa fresco e massa seco de raiz; massa fresco e massa seco da parte aérea; comprimento da parte aérea. Nas condições do experimento, conclui-se que o substrato composto somente por fibra de coco apresentou melhores resultados em todas as variáveis analisadas.

Meio século de artes plásticas em Cuba

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Adelaida de Juan

2011-01-01

Full Text Available Durante as recentes décadas, as artes plásticas em Cuba desenvolveram diversas tendências como a abstração, o fotorrealismo, o neoexpressionismo, o conceitualismo etc., enquanto algumas temáticas e alguns caracteres cuja base remete às culturas afro-cubanas são mantidos. Às manifestações com antecedentes nacionais se agregará, como manifestação orgânica, o design gráfico, que vem se constituindo numa escola de particularidades próprias. Na atualidade proliferam as instalações e as performances, muitas vezes com caráter interdisciplinar, como no caso da video art.Durante las recientes décadas, las artes plásticas en Cuba han desarrollado diversas tendencias como la abstracción, el fotorrealismo, el neoexpresionismo, el conceptualismo, etc., mientras mantienen algunas temáticas y caracteres cuya base se remite a las culturas afrocubanas. A las manifestaciones con antecedentes nacionales se añadirá, como manifestación orgánica, el diseño gráfico que se ha constituido en una escuela de caracteres propios. En la actualidad proliferan las instalaciones y los performances, a menudo con carácter interdisciplinario, así como el video art.During recent decades, several trends have emerged in the Cuban visual arts, e.g., abstraction, photorealism, neoexpressionism and conceptualism, among others, without losing sight of certain themes and characters based on Afro-Cuban cultures. To the manifestations of a national heritage should be added, as an organic expression, graphic design, which is becoming a school with unique features. Today, we have a proliferation of performances and installations, often of interdisciplinary nature, as is the case of video art.

Técnicas experimentais para tomateiro tipo salada sob estufas plásticas

OpenAIRE

Lopes,Sidinei José; Storck,Lindolfo; Heldwein,Arno Bernardo; Feijó,Sandra; Ros,César Augusto da

1998-01-01

Realizou-se um ensaio em branco com a cultura do tomateiro, cv. Monte Carlo, sob ambiente modificado por estufa plástica de 24 x 12m. Foram realizadas 11 colheitas dos frutos, sendo determinado o peso total. A unidade básica de colheita foi composta pelo agrupamento de três plantas na fila. O espaçamento entre as plantas na fila foi de 0,3m e 1,0m entre filas, resultando em 10 filas com 24 unidades básicas cada uma. Concluiu-se que o delineamento experimental mais adequado é o inteiramente ca...

The First Paenibacillus larvae Bacteriophage Endolysin (PlyPl23 with High Potential to Control American Foulbrood.

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Ana Oliveira

Full Text Available Endolysins, which are peptidoglycan-degrading enzymes expressed during the terminal stage of the reproduction cycle of bacteriophages, have great potential to control Gram-positive pathogens. This work describes the characterization of a novel endolysin (PlyPl23 encoded on the genome of Paenibacillus larvae phage phiIBB_Pl23 with high potential to control American foulbrood. This bacterial disease, caused by P. larvae, is widespread in North America and Europe and causes important economic losses in apiculture. The restriction to antibiotic residues in honey imposed by the EU legislation hinders its therapeutic use to combat American foulbrood and enforces the development of alternative antimicrobial methods. The new endolysin described herein has an N-acetylmuramoyl-L-alanine amidase catalytic domain and exhibits a broad-spectrum activity against common P. larvae genotypes. Moreover, the enzyme displays high antimicrobial activity in a range of pH that matches environmental conditions (pH between 5.0 and 7.0, showing its feasible application in the field. At pH 7.0, a concentration of 0.2 μM of enzyme was enough to lyse 104 CFU.mL-1 of P. larvae in no more than 2 h. The presence of sucrose and of the substances present in the larvae gut content did not affect the enzyme activity. Interestingly, an increase of activity was observed when PlyPl23 was previously incubated in royal jelly. Furthermore, in vivo safety evaluation assays demonstrated that this enzyme is not toxic to the bee larvae. The present work describes for the first time an endolysin encoded in a P. larvae phage that presents high potential to integrate a commercial product to control the problematic American foulbrood.

Accelerated aging and seedling field emergence in soybean Envelhecimento acelerado e emergência de plântulas de soja em campo

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Reynaldo Melo Torres

2004-10-01

Full Text Available Information regarding the relationship between laboratory seed vigor testing and seedling field emergence is very important to estimate seed performance after sowing and help producers adopt the best procedures to improve stand establishment. The objective of the present study was to relate accelerated aging (AA test results to soybean [Glycine max (L. Merrill] seedling field emergence results based on data obtained over three agricultural years. The following evaluations were made: seed water content, standard germination, accelerated aging, electrical conductivity, and seedling field emergence. There was a close association between planting environmental conditions, seed physiological quality and seedling field emergence. The most accurate predictions were obtained for AA values > 90%, when field emergence was higher than 80% (r² = 0.90. Based on the results it was concluded that the AA test provided an accurate estimate of field emergence of soybean seedlings. However, as seedbed environmental conditions became less favorable, the ability of the AA test to estimate field performance significantly decreased.Informações sobre a relação entre resultados de testes de vigor conduzidos em laboratório e da emergência de plântulas em campo são fundamentais para a tomada de decisões pelos produtores de sementes. O presente trabalho teve por objetivo verificar a associação entre os resultados do teste de envelhecimento acelerado e a emergência de plântulas de soja [Glycine max (L. Merrill] em campo, em diferentes safras agrícolas e épocas de semeadura. Assim, foram efetuadas as seguintes avaliações: determinação do grau de umidade das sementes; testes de germinação, de envelhecimento acelerado e de condutividade elétrica, bem como emergência de plântulas em campo. A estimativa mais precisa do desempenho das plântulas em campo foi verificada numa faixa de valores de envelhecimento acelerado > 90%, estimando emergência em campo

Design de joias a partir de aspectos plásticos da dança conteporânea

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Eliana Paula Calegari

2011-12-01

Full Text Available Este estudo consiste em mostrar de maneira objetiva e clara as etapas de desenvolvimento do projeto de uma coleção de joias a partir de aspectos plásticos da dança contemporânea. Para alcançar esse objetivo, foram realizadas pesquisas em torno do design de joias e a dança contemporânea, sendo utilizada como referência no processo criativo durante a projetação das peças. Desenvolveram-se alternativas de solução através de desenhos e traços de composição de referenciais plásticos da dança onde se procurou seguir uma linguagem visual uniforme nos esboços, a fim de materializá-los em modelos artesanais, com as características dos valores estéticos simbólicos da dança contemporânea.

Calculation of lifecycle greenhouse gas emissions for the renewable fuel standard

Science.gov (United States)

2009-06-25

The Energy Independence and Security Act of 2007 (EISA, P.L. 110-140), significantly expanded the renewable fuel standard (RFS) established in the Energy Policy Act of 2005 (EPAct 2005, P.L.109-58). The RFS requires the use of 9.0 billion gallons of ...

Morfologia de Plântulas e Controle de Patógenos em Sementes de Cordia trichotoma

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Álvaro Luis Pasquetti Berghetti

Full Text Available O presente trabalho tem como objetivo descrever morfologicamente o desenvolvimento das plântulas de Cordia trichotoma, determinar a influência dos tratamentos de semente e do substrato na redução da incidência de patógenos, assim como avaliar o potencial germinativo das sementes. O teste de sanidade foi realizado em esquema bifatorial 2 × 4 (dois tipos de beneficiamento e quatro tratamentos de sementes. O teste de germinação representou um esquema trifatorial 2 × 4 × 3 (dois beneficiamentos, quatro tratamentos de sementes e três substratos. O início da germinação ocorreu no 18° dia após a instalação do teste. A germinação das sementes é do tipo epígea, com plântula fanerocotiledonar. O percentual germinativo das sementes é superior quando é retirado todo o perianto, independentemente do substrato utilizado e do tratamento. O tratamento com Captan® reduziu a incidência de fungos dos gêneros Alternaria spp., Trichoderma spp., Rhizopus spp.

Cobertura plástica e densidade de plantio na qualidade das frutas de Physalis peruviana L.

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Pedro Henrique Abreu Moura

2016-06-01

Full Text Available RESUMO Physalis peruviana L. é uma espécie pertencente à família Solanaceae, que vem sendo incorporada em plantios de pequenas frutas, com alto potencial produtivo para regiões subtropicais. Objetivou-se, com este trabalho, avaliar a qualidade das frutas de P. peruviana L., produzidas com ou sem cobertura plástica sobre o dossel das plantas e em duas densidades de plantio (0,5 e 1,0 m entre plantas, sendo de 3,0 m o espaçamento entre linhas. O delineamento experimental adotado foi em blocos ao acaso, em esquema fatorial 2 x 2, com seis blocos e dez plantas por parcela. Foram avaliadas as características qualitativas das frutas, como coloração, quantidade de antocianinas totais, vitamina C, cinzas, sólidos solúveis totais, sacarose, glicose, açúcares totais, acidez titulável, firmeza e umidade. A maior densidade de plantio e o plantio sem cobertura plástica sobre o dossel das plantas resultaram em melhor qualidade das frutas de P. peruviana L.

A reciclagem de resíduos plásticos pós-consumo em oito empresas do Rio Grande do Sul

OpenAIRE

Aline Marques Rolim

2000-01-01

O tema do presente estudo é a reciclagem de resíduos plásticos pós-consumo. Resíduos pósconsumo são resíduos provenientes do descarte de produtos pelos consumidores A sua reciclagem permite a recuperação do seu valor econômico, através do seu reaproveitamento como matéria-prima, e a redução do volume de resíduos a serem dispostos em aterros, contribuindo para o desenvolvimento sustentável. Além disso, esta atividade tende a crescer, uma vez que o consumo do plástico vem aumentando no Brasil, ...

Long-period ground motions at near-regional distances caused by the PL wave from, inland earthquakes: Observation and numerical simulation of the 2004 Mid-Niigata, Japan, Mw6.6 earthquake

Science.gov (United States)

Furumura, T.; Kennett, B. L. N.

2017-12-01

We examine the development of large, long-period ground motions at near-regional distances (D=50-200 km) generated by the PL wave from large, shallow inland earthquakes, based on the analysis of strong motion records and finite-difference method (FDM) simulations of seismic wave propagation. PL wave can be represented as leaking modes of the crustal waveguide and are commonly observed at regional distances between 300 to 1000 km as a dispersed, long-period signal with a dominant period of about 20 s. However, observations of recent earthquakes at the dense K-NET and KiK-net strong motion networks in Japan demonstrate the dominance of the PL wave at near-regional (D=50-200 km) distances as, e.g., for the 2004 Mid Niigata, Japan, earthquake (Mw6.6; h=13 km). The observed PL wave signal between P and S wave shows a large, dispersed wave packet with dominant period of about T=4-10 s with amplitude almost comparable to or larger than the later arrival of the S and surface waves. Thus, the early arrivals of the long-period PL wave immediately after P wave can enhance resonance with large-scale constructions such as high-rise buildings and large oil-storage tanks etc. with potential for disaster. Such strong effects often occurred during the 2004 Mid Niigata earthquakes and other large earthquakes which occurred nearby the Kanto (Tokyo) basin. FDM simulation of seismic wave propagation employing realistic 3-D sedimentary structure models demonstrates the process by which the PL wave develops at near-regional distances from shallow, crustal earthquakes by constructive interference of the P wave in the long-period band. The amplitude of the PL wave is very sensitive to low-velocity structure in the near-surface. Lowered velocities help to develop large SV-to-P conversion and weaken the P-to-SV conversion at the free surface. Both effects enhance the multiple P reflections in the crustal waveguide and prevent the leakage of seismic energy into the mantle. However, a very

Operating cost guidelines for benchmarking DOE thermal treatment systems for low-level mixed waste

International Nuclear Information System (INIS)

Salmon, R.; Loghry, S.L.; Hermes, W.H.

1994-11-01

This report presents guidelines for estimating operating costs for use in benchmarking US Department of Energy (DOE) low-level mixed waste thermal treatment systems. The guidelines are based on operating cost experience at the DOE Toxic Substances Control Act (TSCA) mixed waste incinerator at the K-25 Site at Oak Ridge. In presenting these guidelines, it should be made clear at the outset that it is not the intention of this report to present operating cost estimates for new technologies, but only guidelines for estimating such costs

75 FR 42330 - Elemental Mercury Used in Flow Meters, Natural Gas Manometers, and Pyrometers; Significant New...

Science.gov (United States)

2010-07-21

.... Historically, they have been used in civil engineering applications, e.g., water treatment plants, sewage... Program Chemicals Division (7404T), Office of Pollution Prevention and Toxics, Environmental Protection... TSCA. Persons who import any chemical substance governed by a final SNUR are subject to the TSCA...

Estrategias para el desarrollo empresarial: Asociatividad en el sector plástico venezolano

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María Antonia Cervilla de Olivieri

2007-01-01

Full Text Available Sobre la base de una iniciativa de colaboración puesta en marcha por un conjunto de empresas del sector plástico venezolano, este trabajo pretende ilustrar los beneficios que otorga la participación en redes empresariales e identificar los retos para su consolidación, a fin de proponer recomendaciones para el diseño de estrategias de desarrollo empresarial. La investigación se realizó siguiendo una metodología cualitativa, con base en el enfoque del estudio de caso. Se discuten los marcos conceptuales pertinentes y se presenta el caso de la Corporación de Plásticos Mirandino (CORPLAMI, consorcio de empresas fabricantes de empaques flexibles que inició actividades en 1999, describiéndose su evolución y analizando las barreras superadas para la conformación del grupo así como las amenazas a su sostenibilidad. El caso presentado está basado en la conformación de una red horizontal, donde las empresas cooperan en algunas actividades pero compiten entre sí en un mismo mercado, esperando obtener beneficios individuales de la acción conjunta. Esta experiencia muestra que el camino a seguir para la conformación de redes de empresas pasa por la definición y la ejecución de una estrategia empresaria instrumentada a través de acciones que persiguen los objetivos de mejora en la productividad y en la competitividad.

Maravilhas zoológicas na "Enciclopédia" de Plínio, o Velho, a partir de duas sugestões de Ítalo Calvino

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Matheus Trevizam

2015-02-01

Full Text Available Neste artigo, gostaríamos de apresentar algumas ideias presentes no livro VIII da obra Naturalis Historia, de autoria do escritor romano Plínio, o Velho. Para isso, depois de situar Plínio do ponto de vista humano, intelectual e histórico em sua própria época, passamos a examinar como o autor fez a abordagem do assunto dos elefantes e de vários seres fabulosos (como dragões e basiliscos na mesma parcela da obra citada. No primeiro caso, assim como o Virgílio do livro IV das Geórgicas (que esse poeta dedicou à apicultura, Plínio desejou mostrar a sociedade animal focalizada como algo, ao mesmo tempo, muito próximo e distante da cultura e dos sentimentos humanos. Quanto à abordagem pliniana de seres que hoje diríamos “monstruosos” por sua desmesura, forte hibridização ou capacidade de lesar bastante os homens ou outras criaturas, nota-se que o autor antigo parece realizá-la com a naturalidade de alguém ciente do caráter altamente inventivo das forças geradoras atuantes no mundo. Nesse movimento de deter-se sobre os aspectos bizarros do mundo, Plínio foi posteriormente seguido de perto por Jorge Luis Borges, autor de O livro dos seres imaginários.

Product Lines for Service Oriented Applications - PL for SOA

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Maurice H. ter Beek

2011-08-01

Full Text Available PL for SOA proposes, formally, a software engineering methodology, development techniques and support tools for the provision of service product lines. We propose rigorous modeling techniques for the specification and verification of formal notations and languages for service computing with inclinations of variability. Through these cutting-edge technologies, increased levels of flexibility and adaptivity can be achieved. This will involve developing semantics of variability over behavioural models of services. Such tools will assist organizations to plan, optimize and control the quality of software service provision, both at design and at run time by making it possible to develop flexible and cost-effective software systems that support high levels of reuse. We tackle this challenge from two levels. We use feature modeling from product line engineering and, from a services point of view, the orchestration language Orc. We introduce the Smart Grid as the service product line to apply the techniques to.

TkPl_SU: An Open-source Perl Script Builder for Seismic Unix

Science.gov (United States)

Lorenzo, J. M.

2017-12-01

TkPl_SU (beta) is a graphical user interface (GUI) to select parameters for Seismic Unix (SU) modules. Seismic Unix (Stockwell, 1999) is a widely distributed free software package for processing seismic reflection and signal processing. Perl/Tk is a mature, well-documented and free object-oriented graphical user interface for Perl. In a classroom environment, shell scripting of SU modules engages students and helps focus on the theoretical limitations and strengths of signal processing. However, complex interactive processing stages, e.g., selection of optimal stacking velocities, killing bad data traces, or spectral analysis requires advanced flows beyond the scope of introductory classes. In a research setting, special functionality from other free seismic processing software such as SioSeis (UCSD-NSF) can be incorporated readily via an object-oriented style to programming. An object oriented approach is a first step toward efficient extensible programming of multi-step processes, and a simple GUI simplifies parameter selection and decision making. Currently, in TkPl_SU, Perl 5 packages wrap 19 of the most common SU modules that are used in teaching undergraduate and first-year graduate student classes (e.g., filtering, display, velocity analysis and stacking). Perl packages (classes) can advantageously add new functionality around each module and clarify parameter names for easier usage. For example, through the use of methods, packages can isolate the user from repetitive control structures, as well as replace the names of abbreviated parameters with self-describing names. Moose, an extension of the Perl 5 object system, greatly facilitates an object-oriented style. Perl wrappers are self-documenting via Perl programming document markup language.

Inherited thrombophilia in women with poor aPL-related obstetric history: prevalence and outcomes. Survey of 208 cases from the European Registry on Obstetric Antiphospholipid Syndrome cohort.

Science.gov (United States)

Alijotas-Reig, Jaume; Ferrer-Oliveras, Raquel; Esteve-Valverde, Enrique; Ruffatti, Amelia; Tincani, Angela; Lefkou, Elmina; Bertero, Maria Tiziana; Espinosa, Gerard; Coloma, Emmanuel; de Carolis, Sara; Rovere-Querini, Patrizia; Canti, Valentina; Picardo, Elisa; Fredi, Micaela; Mekinian, Arsene

2016-08-01

To analyse the prevalence and effects of inherited thrombophilic disorders (ITD) on maternal-foetal outcomes in cases of antiphospholipid antibody related to obstetric complications. Women with obstetric complaints who tested positive for aPL and with inherited thrombophilia were prospectively and retrospectively included. ITD data were available in 208 of 338: 147 had obstetric antiphospholipid syndrome (OAPS) and 61 aPL-related obstetric morbidity (OMAPS). 24.1% had ITD. Laboratory categories I and IIa were more related to OAPS-ITD and IIb and IIc to OMAPS-ITD. No significant differences in obstetric complaints were observed. Regarding ITD carriers, treatment rates were higher in OAPS than in OMAPS for LMWH and LDA plus LMWH (P=.002). Cases with aPL-related OAPS/OMAPS showed no differences in maternal-foetal outcomes regardless of the presence of one ITD. Maternal thrombotic risk was low, with ITD-positive cases included. Registry data concur with Sydney criteria, whereby aPL-ITD-positive patients are classified as having antiphospholipid syndrome. © 2016 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

75 FR 6383 - Lead-Based Paint Renovation, Repair and Painting, and Pre-Renovation Education Activities in...

Science.gov (United States)

2010-02-09

..., Repair and Painting, and Pre- Renovation Education Activities in Target Housing and Child Occupied....C. 2682(c)(3), and a lead-based paint pre-renovation education program in accordance with section... TSCA, and a lead-based paint pre-renovation education program in accordance with section 406(b) of TSCA...

Balance nutricional y número de hojas como variables de predicción del rendimiento del plátano Hartón.

OpenAIRE

RODRÍGUEZ, V.; SILVA, A. da; RODRÍGUEZ, O.

2005-01-01

El objetivo de este trabajo fue desarrollar una ecuación de regresión que permitiese estimar el rendimiento (Y) del plátano Hartón (Musa AAB subgrupo plátano cv. Hartón), con la relación entre el Índice de Balance de Nutrientes DRIS (IBN-DRIS) (X1) y el número de hojas de la planta madre (X2). Usando un muestreo completamente al azar, se colectaron 398 muestras de tejido foliar. Se obtuvo la ecuación: Y = 30,351** - 8,644** log X1 + 0,27502*X2, con R² de 0,6206***, con distribución normal de ...

Podnikatelský plán pro založení prodejny se sportovními potřebami

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Pospíšilová, Petra

2010-01-01

Tato bakalářská práce se zabývá vytvořením podnikatelského plánu pro založení maloobchodu se sportovními potřebami. Práce se skládá ze tří částí, teoretické, analytické a návrhu vlastního řešení. V první části se věnuji uvedení teoretických východisek a poznatků, které jsou aplikovány v další části práce. V analýze se zaměřuji na prostředí firmy. V návrhové části je zpracován samotný podnikatelský záměr, který obsahuje marketingový a finanční plán. This bachelor’s work concerns creating an...

Efecto del NaCl en plántulas de curarí (Tabebuia serratifolia en condiciones de laboratorio

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Maribel Ramírez

Full Text Available El objetivo de este trabajo fue evaluar el efecto del cloruro de sodio (NaCl durante la germinación y el desarrollo inicial de las plántulas de curarí (Tabebuia serratifolia, en condiciones de laboratorio. Las semillas se colocaron en cinco concentraciones de NaCl: 2, 4, 6, 8 y 10 dS m-1, y en agua destilada (testigo, con una conductividad eléctrica entre 0,02 y 0,04 dS m-1. Se empleó un diseño experimental completamente al azar, con cinco repeticiones, y se aplicó un análisis de varianza. Se determinó el porcentaje de germinación (PG y la tasa de germinación (TG; y se midió la longitud del tallo (LT, la longitud de la raíz (LR, el área cotiledonal (AC, la biomasa fresca (BF y la biomasa seca (BS. La concentración de NaCl mostró efectos significativos para las variables PG, TG, BS, LT, LR y AC. Se obtuvo un 79,6 % de germinación y una TG de 1,66 días, cuando las semillas se sometieron a 6 dS m-1 de NaCl. Las concentraciones de 8 y 10 dS m-1 disminuyeron significativamente el PG, la LT y el AC de las plántulas, y retardaron la TG. Se concluye que las plántulas de curarí mostraron tolerancia a la condición salina del NaCl hasta 6 dS m-1, por lo que esta especie se puede utilizar con fines agroforestales en los sistemas de producción agropecuaria, así como en la recuperación de áreas que presenten problemas moderados de salinidad.

Comparison of the Incorporation of DHA in Circulatory and Neural Tissue When Provided as Triacylglycerol (TAG), Monoacylglycerol (MAG) or Phospholipids (PL) Provides New Insight into Fatty Acid Bioavailability.

Science.gov (United States)

Destaillats, Frédéric; Oliveira, Manuel; Bastic Schmid, Viktoria; Masserey-Elmelegy, Isabelle; Giuffrida, Francesca; Thakkar, Sagar K; Dupuis, Lénaïck; Gosoniu, Maria Laura; Cruz-Hernandez, Cristina

2018-05-15

Phospholipids (PL) or partial acylglycerols such as sn -1(3)-monoacylglycerol (MAG) are potent dietary carriers of long-chain polyunsaturated fatty acids (LC-PUFA) and have been reported to provide superior bioavailability when compared to conventional triacylglycerol (TAG). The main objective of the present study was to compare the incorporation of docosahexaenoic acid (DHA) in plasma, erythrocytes, retina and brain tissues in adult rats when provided as PL (PL-DHA) and MAG (MAG-DHA). Conventional dietary DHA oil containing TAG (TAG-DHA) as well as control chow diet were used to evaluate the potency of the two alternative DHA carriers over a 60-day feeding period. Fatty acid profiles were determined in erythrocytes and plasma lipids at time 0, 7, 14, 28, 35 and 49 days of the experimental period and in retina, cortex, hypothalamus, and hippocampus at 60 days. The assessment of the longitudinal evolution of DHA in erythrocyte and plasma lipids suggest that PL-DHA and MAG-DHA are efficient carriers of dietary DHA when compared to conventional DHA oil (TAG-DHA). Under these experimental conditions, both PL-DHA and MAG-DHA led to higher incorporations of DHA erythrocytes lipids compared to TAG-DHA group. After 60 days of supplementation, statistically significant increase in DHA level incorporated in neural tissues analyzed were observed in the DHA groups compared with the control. The mechanism explaining hypothetically the difference observed in circulatory lipids is discussed.

La apropiación de conocimientos a partir de la expresión plástica

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Julieta Castro Bonilla

2004-01-01

Full Text Available En el presente artículo se reflexiona y se expone parte de los resultados de un trabajo investigativo referido a la apropiación de conocimientos mediante la expresión plástica, actividad en la que participaron docentes y estudiantes escolares pertenecientes a la modalidad educativa denominada “Aula Abierta”. Concluida la investigación, queda manifiesto que el estudio, la indagación, la reflexión y la búsqueda sistemática de conocimientos y formas de aprender y enseñar de parte del docente, son elementos fundamentales que propician cambios cualitativos en la formación académica de éste, lo que le permite llevar al aula formas innovadoras para lograr aprendizajes significativos en sus estudiantes. El diseño de situaciones de aprendizaje desde una perspectiva constructivista, holista y lúdica, así como el aprovechamiento de contextos, permitieron el logro de aprendizajes cognitivos, afectivos y psicomotores mediante la expresión de actividades plásticas, lo que le posibilita al joven el desarrollo de una personalidad integral

Proyecto para reciclar el almidón de la yuca para la fabricación de fundas plásticas orgánicas

OpenAIRE

De La Torre, Rigoberto; Rivera Procel, Susana; Ruiz Mendieta, Javier; Veloz, Jessica

2009-01-01

El objetivo principal de este estudio es el de desarrollar un estudio de mercado, técnico, económico y financiero para instalar una fábrica de fundas plásticas orgánicas, utilizando como materia prima el desecho del almidón de yuca. Desde un enfoque económico, estos procesos permiten reducir notablemente los costos de producción por obtención de materias primas baratas, una filosofía impulsada a partir de teorías de administración recientes como Calidad Total (cero defectos). El bio-plást...

Lineamientos metodológicos para incorporar la expresión plástica en el planeamiento escolar

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Julieta Castro Bonilla

2004-01-01

Full Text Available El presente artículo se dirige especialmente a aquellos docentes que, sin poseer una formación idónea en el campo de la expresión plástica, desean incorporarla como parte de su metodología de trabajo. Conviene recordar que esta área no sólo se ofrece en algunas escuelas como una materia más dentro del curriculum escolar, sino también como un recurso didáctico que el docente puede utilizar como parte de su planeamiento cotidiano, por ello es fundamental su conocimiento y apreciación. Se espera que los lineamientos propuestos en el artículo ayuden al “maestro de grado” a desarrollar su propia sensibilidad, de manera que sus estudiantes puedan entrar en contacto con los contenidos presentes en las diversas áreas del curriculum escolar de manera lúdica, asimismo, le permita organizar y planificar lecciones agradables, de modo que los participantes en el proceso didáctico puedan disfrutar al máximo de la expresión plástica

Nurse effect in seedling establishment: facilitation and tolerance to damage in the Andes of central Chile Efecto nodriza en el establecimiento de plántulas: facilitación y tolerancia al daño en los Andes de Chile central

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IAN S ACUÑA-RODRÍGUEZ

2006-09-01

Full Text Available Nurse effects, which occur when one plant species enhances the survival or growth of another plant species, are predicted to be most relevant in stressful environments. These effects are particulary important during seedling establishment due to their vulnerability to both biotic and abiotic factors, such as herbivory and drought. Tolerance to herbivory reflects the degree to which plants are able to regrow and reproduce after damage, and should vary with resource availability. In the high Andes of central Chile, the cushion plant Laretia acaulis (Apiaceae acts as a buffer against environmental stress, enhancing survival of several associated plant species. We hypothesized that tolerance to herbivory of seedlings growing inside the canopy of L. acaulis should be greater than that of seedlings growing outside the cushion plant. We conducted a field experiment to test this hypothesis for two native perennial species in the high Andes of central Chile: Hordeum comosum (Poaceae and Haplopappus anthylloides (Asteraceae. Seedlings of each species were planted inside and outside L. acaulis cushions and half of them received manual damage (50 % foliar tissue removed. Seedlings growing inside the nurse species showed high survival independent of the damage treatment. Whereas position (inside or outside the cushion plant did not affect tolerance of Haplopappus anthylloides, it significantly affected tolerance of Hordeum comosum. Thus, we found similar survival of damaged and control seedlings of H. comosum inside the cushions, but survival of damaged seedlings in the bare ground was lower than that of control seedlings. We verified the occurrence of nurse effects of Laretia acaulis on the establishment of both species, and detected enhancement of tolerance to damage in Hordeum comosum in this stressful habitatSe ha sugerido que el efecto nodriza, el cual se evidencia cuando una especie vegetal incrementa la supervivencia o el crecimiento de otra, es m

Polymer Exemption for New Chemicals under the Toxic Substances Control Act (TSCA)

Science.gov (United States)

EPA has established an exemption for certain polymers to encourage manufacturers to make safer polymers. To learn more about this exemption, eligibility, and it's requirements, read this overview of the exemption.

Using the angiogenic factors sFlt-1 and PlGF with Doppler ultrasound of the uterine artery for confirming preeclampsia.

Science.gov (United States)

Bahlmann, Franz; Al Naimi, Ammar

2016-11-01

The aim of this study is to assess the value of the angiogenic factors for diagnosing preeclampsia and predicting the severity of manifestation. A secondary aim is assessing the combination of the uterine artery Doppler with the angiogenic factors for improving the diagnostic power. This is a prospective single center study in a tertiary referral hospital. This study includes 728 individual patients. Inclusion criteria were singleton pregnancies, a referral to the hospital with suspicion of preeclampsia and any one or combination of the following symptoms: headache, upper abdominal pain, edema, and hypertension. Patients with complications that would affect the course of the pregnancy, such as placenta praevia, premature preterm rupture of membranes, breech presentation, and fetal chromosomal or structural anomalies, were excluded from the study. Blood samples collection and uterine artery Doppler ultrasound were performed at time of recruitment. The differences in sFlt-1, PlGF, and their quotient among normal collective and patients with preeclampsia were analyzed. Doppler ultrasound was performed by one of four highly qualified sonographers. Wilcoxon-Mann-Whitney U test, Spearman's rank correlation, receiver operating characteristic curves, Chi-square test, and logistic regression were used in the analysis. A total of 1003 individual samples for the angiogenic factors were included in the analysis. 584 out of the recruited 728 patients had follow-up data with delivery information at the study hospital. Patients with preeclampsia show a significant increase in sFlt-1, which directly correlate with the increased severity of manifestation (Spearman's ρ 0.49). The sFlt-1 cut-off value of 5424 pg/ml confirms preeclampsia with 83.7 % sensitivity, 68.1 % specificity, and 24 % misclassification rate. Preeclampsia patients also show a significant decrease in PlGF, which negatively correlates with the increased severity of manifestation (Spearman's ρ -0.39). A Pl

Acclimatization and leaf anatomy of micropropagated fig plantlets Aclimatização e anatomia foliar de plântulas de figo micropropagadas

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Chrystiane Fráguas Chirinéa

2012-12-01

Full Text Available The survival of micropropagated plants during and after acclimatization is a limiting process to plant establishment. There is little information on how the anatomy of vegetative organs of Ficus carica can be affected by culture conditions and acclimatization. The present research aimed to study the effects of time on culture medium and substrates during the acclimatization of fig tree plantlets produced in vitro, characterizing some leaf anatomy aspects of plantlets cultured in vitro and of fig trees produced in field. Plantlets previously multiplied in vitro were separated and transferred into Wood Plant Medium (WPM where they were kept for 0, 15, 30, 45 and 60 days. Different substrates were tested and studies on leaf anatomy were performed in order to compare among plantlets grown in vitro, plantlets under 20, 40 and 60 days of acclimatization, and field grown plants. Keeping plantlets for 30 days in WPM allowed better development in Plantmax during acclimatization. Field grown plants presented higher number of stomata, greater epicuticular wax thickness and greater leaf tissue production compared to in vitro ones. The leaf tissues of in vitro plantlets show little differentiation and have great stomata number compared with acclimatized plants, which reduce the number of stomata during the acclimatization process.A sobrevivência de plantas micropropagadas durante e após a aclimatização é um processo limitante para o estabelecimento de plantas. Poucas informações são encontradas de como a anatomia de órgãos vegetativos de Ficus carica pode ser afetada pelas condições de cultivo e aclimatização. O presente trabalho teve por objetivo estudar os efeitos do tempo em meio de cultura e substratos durante a aclimatização de plântulas de figueira produzidas in vitro e cultivadas no campo. Plântulas multiplicadas in vitro foram separadas e transferidas para meio WPM, onde foram mantidas por 0; 15; 30; 45 e 60 dias. Diferentes

Systemic propranolol acts centrally to reduce conditioned fear in rats without impairing extinction.

Science.gov (United States)

Rodriguez-Romaguera, Jose; Sotres-Bayon, Francisco; Mueller, Devin; Quirk, Gregory J

2009-05-15

Previous work has implicated noradrenergic beta-receptors in the consolidation and reconsolidation of conditioned fear. Less is known, however, about their role in fear expression and extinction. The beta-receptor blocker propranolol has been used clinically to reduce anxiety. With an auditory fear conditioning task in rats, we assessed the effects of systemic propranolol on the expression and extinction of two measures of conditioned fear: freezing and suppression of bar-pressing. One day after receiving auditory fear conditioning, rats were injected with saline, propranolol, or peripheral beta-receptor blocker sotalol (both 10 mg/kg, IP). Twenty minutes after injection, rats were given either 6 or 12 extinction trials and were tested for extinction retention the following day. The effect of propranolol on the firing rate of neurons in prelimbic (PL) prefrontal cortex was also assessed. Propranolol reduced freezing by more than 50%, an effect that was evident from the first extinction trial. Suppression was also significantly reduced. Despite this, propranolol had no effect on the acquisition or retention of extinction. Unlike propranolol, sotalol did not affect fear expression, although both drugs significantly reduced heart rate. This suggests that propranolol acts centrally to reduce fear. Consistent with this, propranolol reduced the firing rate of PL neurons. Propranolol reduced the expression of conditioned fear, without interfering with extinction learning. Reduced fear with intact extinction suggests a possible use for propranolol in reducing anxiety during extinction-based exposure therapies, without interfering with long-term clinical response.

Especies de dryophthorinae (coleoptera: curculionidae) asociadas a plátano y banano (musa spp.) en colombia

OpenAIRE

RUBIO-GOMEZ, JOSE; SEPULVEDA-CANO, PAULA

2009-01-01

RESUMEN

Se presenta una sinopsis de los escarabajos de la subfamilia Dryophthorinae (Coleoptera: Curculionidae) asociados a cultivos de plátano y banano en Colombia. Adicionalmente se ofrecen claves ilustradas para las especies del país. Se registran seis especies asociadas a dichos cultivos: Cosmopolites sordidus (Germar, 1824), Metamasius hemipterus (Linnaeus, 1758), Metamasius hebetatus (Gyllenhal, 1838), Metamasius submaculatus Champion, 1910, Rhyncophorus palmarum...

Cirugía plástica periodontal, una realidad asistencial: reporte de casos

OpenAIRE

Claudia,Godoy; Guerrero,Virginia; Lozano,Elizabeth

2014-01-01

En la actualidad, la periodoncia no solo se encarga de resolver los procesos infecciosos que afectan al periodonto, sino que también es responsable de la preservación de la función, del confort y de la estética de los tejidos periodontales. Es por eso que hoy en día las técnicas de cirugía plástica periodontal son una herramienta esencial para la resolución de defectos mucogingivales en donde el tejido conectivo subepitelial, debido a su biología, se ha convertido en la mejor alternativa para...

Latvijas sabiedrisko attiecību aģentūru prakse plānotas krīzes komunikācijas vadīšanā

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Štokmane, Linda

2014-01-01

Darba nosaukums ir „Latvijas sabiedrisko attiecību aģentūru prakse plānotas krīzes komunikācijas vadīšanā”. Pētījuma problēma - vai krīzes situācijām iespējams sagatavoties un kā iepriekš plānota un sagatavota komunikācija spēj palīdzēt efektīvāk vadīt krīzes situācijas? Bakalaura darba mērķis ir izpētīt, kāda ir Latvijas sab iedrisko attiecību aģentūru prakse un pieredze krīzes komunikācijas plānošanā un vadīšanā. Darba teorētiskā bāze, galvenokārt, balstīta uz situatīvo krīzes komunikāci...

The ABCs of Special Education: A Handbook for Parents = El ABS Sobre Educacion Especial: Un Folleto para los Padres.

Science.gov (United States)

Ewing, Preston E., Jr.; Hinton, Valeska S.

This bilingual handbook is intended to help parents understand their rights under P.L. 94-142, the Education for All Handicapped Children Act. The following topics are addressed: the Act's legislative history, identification of special education, explanation of P.L. 94-142, parents' rights to know, student records, student testing, students'…

First trimester uterine artery Doppler, sFlt-1 and PlGF to predict preeclampsia in a high-risk population.

Science.gov (United States)

Diguisto, Caroline; Piver, Eric; Gouge, Amélie Le; Eboue, Florence; Vaillant, Claudine Le; Maréchaud, Martine; Goua, Valérie; Giraudeau, Bruno; Perrotin, Franck

2017-07-01

The study aims to evaluate the accuracy of combining uterine artery Doppler (UAD), PlGF and sFlt-1 in the first trimester for preeclampsia screening. Prospectively enrolled women at high risk of preeclampsia were included. Transabdominal UAD measurements and serum biomarkers were collected between 11 and 13 weeks of gestation in three university hospitals and in one general hospital. The main outcome was preeclampsia. UAD parameters and biomarker levels among women with preeclampsia were compared with those of women in the unaffected group in univariate and multivariate analyses. Out of 226 women included from May 2007 to January 2011, 27 (11.9%) women developed preeclampsia. Among women affected by preeclampsia, the lowest pulsatility index was higher (p = 0.02), bilateral notching was more frequent (p = 0.01), and PlGF was lower (p preeclampsia, but neither sFlt-1 nor any UAD indices improved the prediction of preeclampsia.

Propriedade de barreira à umidade de embalagens plásticas para produtos oftálmicos

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Sandra Balan Mendoza Jaime

2014-01-01

Full Text Available As propriedades de barreira à umidade de embalagens plásticas para produtos oftálmicos de capacidade nominal de 20 mL e terminação 15 mm nos formatos cilíndrico e oval, de diferentes composições (100% Polietileno de Baixa Densidade (PEBD, 100% Polipropileno (PP e blendas com percentuais 10% e 40% de Polietileno de Alta Densidade (PEAD em PEBD, foram estudadas neste trabalho. Foi verificada também a influência do batoque gotejador (de maior ou menor orifício de dosagem e a influência do fechamento na taxa de transmissão de vapor d’água. O trabalho foi conduzido sob duas condições de estocagem a 25 ºC/40% UR e a 40 ºC/75% UR. Verificou-se que o diâmetro do orifício gotejador não interferiu significativamente na perda de peso da embalagem avaliada a 25 ºC/40% UR. Sob a condição de estocagem a 40 ºC/75% UR verificouse um aumento da taxa de transmissão de vapor d’água das embalagens comparativamente as mesmas embalagens avaliadas a 25 ºC/40% UR. O sistema de fechamento não favoreceu um acréscimo significativo da taxa de transmissão de vapor d’água, o que indica que a permeação ocorreu principalmente através do corpo da embalagem plástica. A propriedade de barreira foi influenciada pela composição da embalagem plástica chegando a uma redução média de 47% na taxa de transmissão de vapor d’água para a embalagem de PEBD com 40% PEAD em relação à embalagem com 100% PEBD de formato cilíndrico. Verificou-se ainda que o formato oval, por apresentar uma maior área superficial exposta comparativamente à embalagem de formato cilíndrico, com regiões de menor espessura de parede, pode favorecer um ligeiro aumento da taxa de transmissão de vapor d’água da embalagem.

Microclima e produção de videiras 'Niágara rosada' em cultivo orgânico sob cobertura plástica

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Flávia Comiran

2012-03-01

Full Text Available O uso de coberturas plásticas sobre vinhedos tem aumentado no Sul do Brasil, visando a atenuar limitações climáticas. Este estudo objetivou quantificar alterações micrometeorológicas causadas por cobertura plástica e seus efeitos no desenvolvimento e na produção de videiras 'Niágara Rosada', em cultivo orgânico. O estudo foi realizado em Bento Gonçalves-RS, num vinhedo conduzido em sistema latada e submetido a dois ambientes: em céu aberto e coberto por plástico transparente (160µm em arcos descontínuos. Nos dois ambientes, foram monitoradas radiação fotossinteticamente ativa (RFA e temperatura do ar. Avaliaram-se fenologia, índice de área foliar (IAF, peso e diâmetro de bagas, teor de sólidos solúveis e acidez total titulável, incidência de doenças fúngicas e rendimento. A cobertura reduziu em um terço a RFA incidente (-34% e aumentou as temperaturas máximas do ar (+3,1ºC. Ela acelerou o ciclo vegetativo das videiras até a maturação, mas retardou a queda de folhas. A cobertura promoveu incrementos de IAF, duração da área foliar e produção de uvas, de 12,3 para 27,1 t ha-1. Não foi observada incidência de doenças fúngicas no vinhedo coberto. Portanto, a cobertura plástica sobre vinhedos é uma alternativa importante na produção de uvas de mesa no Sul do Brasil, em cultivo orgânico.

Estrategia de comunicación para promover el uso de biodigestores plásticos en las fincas del Cantón Salitre

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Francisco Valle Sánchez

2015-11-01

Full Text Available El incremento de la actividad agropecuaria como fuente de ingresos del campesino ha traído el problema de contaminación por desechos orgánicos de sus animales, de ahí la necesidad de introducir una tecnología de bajo costo, sencilla y de fácil acceso que le permita al campesino solucionar este problema que tiene sanción por parte de la autoridad ambiental. El uso de biodigestores plásticos logra este objetivo, incorporando beneficios adicionales como abono orgánico biosol, que van a mejorar su productividad en cultivos permitiéndole ahorrar en la compra de fertilizantes; otro benéfico es la producción de biogás el cual lo utiliza para la cocción de sus alimentos y el calentamiento de sus animales. Se visitó una finca en Santa Rosa Provincia de El Oro acompañados de un técnico especializado en biodigestores plásticos, representantes del M.I. Municipio de Salitre y estudiantes investigadores de la academia; se dio a conocer por parte del dueño de la finca las razones que lo llevaron a instalar un biodigestor plástico así como los beneficios obtenidos. Resultado de esta experiencia el equipo de investigación planteó como estrategia instalar un biodigestor en una finca del Cantón Salitre para que los dueños de las fincas de la zona puedan ver y comprobar los benéficos de esta tecnología, esto permitirá que el mismo campesino sea el instrumento de comunicación para que otros adopten el uso de biodigestores plásticos en toda la zona.

Photoluminescent (PL) or electroluminescent (EL) quantum dots for display, lighting, and photomedicine (Conference Presentation)

Science.gov (United States)

Dong, Yajie

2017-02-01

Quantum dots (QDs) have gone through a long journey before finding their ways into the display field. This talk will briefly touch on the history before trying to answer several key questions related to QDs applications in display: What are QDs? How are they made? What properties do they have and Why? How can these properties be used to improve color and efficiency of display, in either photoluminescence (PL) or electroluminescence (EL) mode? And what are the remaining challenges for QDs wide adoption in display industry? Lastly, some most recent progresses in our UCF lab at both PL and EL fronts will be highlighted. For PL, a cadmium-free perovskite-polymer composite films with exceptionally narrow emission green peaks (FWHM 20 nm) and good water and thermal stability will be reported. Together with red quantum dots or PFS/KSF phosphors as down-converters for blue LEDs, a white-light source with 95% Rec. 2020 color gamut was demonstrated [1]. For EL, red quantum dot light emitting devices (QLEDs) with record luminance of 165,000 Cd/m2 has been obtained at a current density of 1000 mA/cm2 with a low driving voltage of 5.8 V and CIE coordinates of (0.69, 0.31). [2] The potential of using these QLEDs for light sources for integrated sensing platform [3] or high efficiency, high color quality hybrid white OLED [4] will be discussed. [1] Y. N. Wang, J. He, H. Chen, J. S. Chen, R. D. Zhu, P. Ma, A. Towers, Y. Lin, A. J. Gesquiere, S. T. Wu, Y. J. Dong. Ultrastable, Highly Luminescent Organic-Inorganic Perovskite - Polymer Composite Films, Advanced Materials, accepted, (2016). [2] Y. J. Dong, J.M. Caruge, Z. Q. Zhou, C. Hamilton, Z. Popovic, J. Ho, M. Stevenson, G. Liu, V. Bulovic, M. Bawendi, P. T. Kazlas, S. Coe-Sullivan, and J. Steckel Ultra-bright, Highly Efficient, Low Roll-off Inverted Quantum-Dot Light Emitting Devices (QLEDs). SID Symp. Dig. Tech. Pap. 46, 270-273 (2015). [3] J. He, H. Chen, S. T. Wu, and Y. J. Dong, Integrated Sensing Platform Based on Quantum

Avaliação do comportamento reológico na retração plástica e na fissuração de argamassas de concreto auto-adensável

Directory of Open Access Journals (Sweden)

L. S. Girotto

Full Text Available Este artigo investigou a influência do teor de aditivo superplastificante e da adição mineral - sílica ativa e filer basáltico - na retração plástica ena fissuração de argamassas do concreto auto-adensável (CAA. Numa primeira fase foi realizada a análise do comportamento reológico dasfases pasta e argamassa das composições de CAA. Em seguida, foram mensuradas as deformações das argamassas pelo efeito da retração plástica e avaliada sua fissuração. Tanto na retração plástica quanto na fissuração, a composição com adição de sílica ativa apresentouresultados superiores, independente da ação do vento e teor de superplastificante. No entanto, no assentamento plástico, a composição comsílica ativa apresentou resultados superiores somente nos ensaios com ventilação imposta. O comportamento reológico afetou diretamente aretração plástica e fissuração nas primeiras idades, fato confirmado pela análise das pressões capilares das argamassas ensaiadas.

Ações estratégicas sistêmicas visando a integração da cadeia produtiva e de reciclagem de plásticos

Directory of Open Access Journals (Sweden)

Liane Mahlmann Kipper

2009-12-01

Full Text Available Vivemos na sociedade do consumo, onde os impactos da industrialização e do crescimento populacional, bem como seus efeitos sócio-ambientais, nas áreas urbanas, estão entre os maiores desafios da atualidade. Nessa realidade a grande geração de lixo vem agravar o quadro ambiental. A reciclagem do resíduo plástico pode contribuir com a viabilidade econômica da reciclagem do lixo em geral, pois economiza matéria-prima, vem aparecendo com grande intensidade na massa de resíduos dos municípios brasileiros e apresenta grande conteúdo energético. Este trabalho apresenta estudo sobre a cadeia produtiva ou cadeia de valor (Supply Chain que engloba os principais agentes na produção dos plásticos bem como sua reintrodução na cadeia após seu uso. No ponto de vista sistêmico, entendemos como cadeia de valor o desenvolvimento de inter-relações que buscam agrupar segmentos produtivos apresentando formas diferenciadas de cooperação de modo a promover melhorias no ciclo de produção e consumo. A metodologia utilizada baseia-se na abordagem sistêmica e crítica, considerando que todas as variáveis envolvidas estão inter-relacionadas. De acordo com essa concepção pode-se definir a rede de reciclagem de plástico como uma unidade global organizada de inter-relações entre elementos, ações e indivíduos. Esses elementos não são unidades simples e sim relativas ao todo do qual fazem parte. Tendo como base essa concepção e o processo realizado pode-se propor que, para a existência de uma rede sustentável de reciclagem de plásticos em nível municipal e ou regional, exista um comitê gestor de resíduos sólidos visando à integração dos agentes e a auto-regulação necessária para a sustentação da rede de reciclagem de plásticos.

Caracterização de Polímeros e Determinação de Constituintes Inorgânicos em Embalagens Plásticas Metalizadas

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Soares Eufemia P.

2002-01-01

Full Text Available Este trabalho apresenta os resultados analíticos da determinação de elementos químicos em materiais plásticos metalizados, obtidos por análise por ativação com nêutrons (NAA e os resultados da identificação de polímeros por espectroscopia no infravermelho (IR e calorimetria exploratória diferencial (DSC. Foram coletadas amostras de plásticos metalizados de embalagens de alimentos e cosméticos. Os resultados dos testes IR e DSC indicaram que os tipos de polímeros usados em plásticos metalizados são polietileno, polipropileno, poli(tereftalato de etileno e poliestireno. A NAA consistiu em irradiar as amostras e padrões com fluxo de nêutrons térmicos do reator nuclear IEA-R1, seguido da medida da atividade dos raios gama induzidos usando um detector de Germânio hiperpuro acoplado ao espectrômetro de raios gama. Elementos tóxicos como arsênio, cádmio, cromo, níquel e antimônio assim como elementos não tóxicos como bário, cálcio, cobalto, ferro, escândio, selênio e zinco foram determinados e suas concentrações apresentaram grande variabilidade entre as amostras. A análise de polímeros e elementos tóxicos é de grande interesse para o desenvolvimento de processos adequados e seguros para reciclagem e incineração de embalagens plásticas metalizadas, sem causar danos ao ambiente.

Estudio de la fractura de materiales compuestos por una matriz de plástico

OpenAIRE

Maspoch, M. Ll. (Maria Lluïsa)

1992-01-01

Se estudia el comportamiento a fractura de materiales, compuestos por una matriz de plástico en la que se ha dispersado una segunda fase en forma de partículas elastoméricas. Como matriz se han utilizado dos materiales diferentes: una resina de poliéster insaturada y poliestireno. Se estudia la morfología de los materiales compuestos preparados, se determinan los parámetros de fractura y otras propiedades mecánicas, se realiza el estudio fractográfico y finalmente se analizan los resultados e...

VEGFR1-mediated pericyte ablation links VEGF and PlGF to cancer-associated retinopathy

DEFF Research Database (Denmark)

Cao, Renhai; Xue, Yuan; Hedlund, Eva-Maria

2010-01-01

. Moreover, blockade of VEGFR1 but not VEGFR2 significantly restores pericyte saturation in mature retinal vessels. Our findings link VEGF and PlGF to cancer-associated retinopathy, reveal the molecular mechanisms of VEGFR1 ligand-mediated retinopathy, and define VEGFR1 as an important target......, and adenoviral vectors ablates pericytes from the mature retinal vasculature through the VEGF receptor 1 (VEGFR1)-mediated signaling pathway, leading to increased vascular leakage. In contrast, we demonstrate VEGF receptor 2 (VEGFR2) is primarily expressed in nonvascular photoreceptors and ganglion cells...

Biochemical and pharmacological characterization of three toxic phospholipase A2s from Daboia russelii snake venom.

Science.gov (United States)

Kumar, J R; Basavarajappa, Balapal S; Vishwanath, B S; Gowda, T Veerabasappa

2015-02-01

Three isoenzymes of phospholipase A2 (PLA2), VRV-PL-IIIc, VRV-PL-VII, and VRV-PL-IX were isolated from Daboia russelii snake venom. The venom, upon gel filtration on Sephadex G-75 column, resolved into six peaks (DRG75 I-VI). The VRV-PL-IIIc was purified by subjecting DRG75II to homogeneity by rechromatography in the presence of 8M urea on Sephadex G-75 column. The other two isoenzymes VRV-PL-VII and VRV-PL-IX were purified by subjecting DRG75III to ion exchange chromatography on CM-Sephadex C-25 column. Mol wt. for the three PLA2s, VRV-PL-IIIc, VRV-PL-VII, and VRV-PL-IX are 13.003kDa, 13.100kDa and 12.531kDa respectively. The VRV-PL-IIIc is not lethal to mice up to 14mg/kg body weight but it affects blood sinusoids and causes necrosis of the hepatocytes in liver. It causes hemorrhage in kidney and shrinkage of renal corpuscles and renal tubules. The LD50s for VRV-PL-VII and VRV-PL-IX are 7 and 7.5mg/kg body weight respectively. They induced neurotoxic symptoms similar to VRV-PL-V. All the three PLA2s are anticoagulant and induced varying degree of edema in the foot pads of mice. VRV-PL-V and VRV-PL-VII are shown to act as pre and post synaptic toxins, while VRV-PL-IX acts as presynaptic toxin. This is evident from experiments conducted on cultured hippocampal neurons by patch clamp electrophysiology. Copyright © 2014 Elsevier Inc. All rights reserved.

Delisting efforts for mixed radioactive and chemically hazardous waste at the Oak Ridge Gaseous Diffusion Plant

International Nuclear Information System (INIS)

Goodpasture, S.T.

1987-01-01

Presently, there are four hazardous wastes at the Oak Ridge Gaseous Diffusion Plant that are candidates for the delisting from the Resource Conservation and Recovery Act (RCRA) hazardous waste regulations. These candidates are the sludges from K-1407-B and C ponds, Central Neutralization Facility sludges, mixed sludges from Y-12 and the ash generated by the RCRA/Toxic Substances Control Act (TSCA) Incinerator. All of these hazardous wastes contain radioactive constituents as well as hazardous constituents. The delisting will be based upon the nonradioactive constituents. Whether the delisting petition is granted or not, the wastes will be handled according to the Department of Energy guidelines for radioactive wastes. The presentation discusses the methodologies for delisting these wastes and the rationale behind the processes

Estrategias para el desarrollo sostenible y posicionamiento de la cadena productiva del plátano del Departamento de Arauca monitoreo y evaluación

OpenAIRE

Ciro Baez, Viviana Andrea; Miranda Prada, Jessica Alexandra

2014-01-01

El Departamento de Arauca es en la actualidad el primer productor de plátano a nivel nacional con un área sembrada de 28.410 hectáreas, una producción anual de 384.460 toneladas y un rendimiento promedio de 13,5 ton/ha. El establecimiento de una planta de procesamiento de plátano en el Departamento, es para CODEPLAR una oportunidad de crecimiento y consolidación de la cadena productiva. El impacto social y competitivo de este proyecto permitiría la generación de nuevas fuentes de empleo y ...

Comparación económica de dos sistemas de producción en plátano en la Zona Norte de Costa Rica

OpenAIRE

Muñoz Ruiz, Carlos

2007-01-01

Se evaluó la rentabilidad de dos sistemas de producción de plátano, el convencional (tecnificado) y el tradicional (bajo en insumos agrícolas), mediante la relación beneficio-costo (B/C) y los presupuestos parciales, donde se determinó que la actividad productiva en ambos sistemas es rentable, con una relación beneficio-costo de 1,97 para el sistema tradicional y de 1,98 para el convencional. Se considera que esta relación será mayor a partir del segundo año de producción de plátano y descend...

Metodología para la evaluación de la calidad de plántulas de ciprés (cupressus lusitanica mill.) en vivero

OpenAIRE

F. Rojas

2002-01-01

Con base en 24 parcelas permanentes de muestreo, establecidas aleatoriamente en bancales de producción de plántulas de ciprés (Cupressus lusitanica Mill.) en el vivero forestal del Instituto Tecnológico de Costa Rica en Cartago, se realizó durante 28 semanas la presente investigación para la determinación de una metodología de evaluación de la calidad de ciprés en vivero. Se propone un sistema de muestreo aleatorio por bancales con base en parcelas aleatorias de dos hileras (28 plánt...

A multi-objective location-inventory model for 3PL providers with sustainable considerations under uncertainty

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R. Daghigh

2016-09-01

Full Text Available In recent years, logistics development is considered as an important aspect of any country’s development. Outsourcing logistics activities to third party logistics (3PL providers is a common way to achieve logistics development. On the other hand, globalization and increasing customers’ concern about the environmental impact of activities as well as the appearance of the issue of social responsibility have led companies employ sustainable supply chain management, which considers economic, environmental and social benefits, simultaneously. This paper proposes a multi-objective model to design logistics network for 3PL providers by considering sustainable objectives under uncertainty. Objective functions include minimizing the total cost, minimizing greenhouse gas emission and maximizing social responsibility subject to fair access to products, number of created job opportunities and local community development. It is worth mentioning that in the present paper the perishability of products is also considered. A numerical example is provided to solve and validate model using augmented Epsilon-Constraint method. The results show that three sustainable objectives were in conflict and as the one receives more desirable values, the others fall into more undesirable values. In addition, by increasing maximum perishable time periods and by considering lateral transshipment among facilities of a level one can improve sustainability indices of the problem, which indicates the necessity of such policy in improving network sustainability.

Sintesis in situ de nanopartículas de peróxido de zinc sobre fibras de plátano con potencial en la industria textil

OpenAIRE

María Estefanía Ballesteros García; John Ricardo Jr. Duran Romero; Juliana Gutiérrez Corrales; Alis Pataquiva-Mateus

2017-01-01

El presente trabajo de investigación plantea un desarrollo entorno al manejo de residuos en los cultivos de plátano, siendo una idea sostenible con respecto a la extracción y adquisición de fibras con cualidades innovadoras que posean nanopartículas (NPs) de ZnO2 como la capacidad antimicrobiana. La finalidad de la investigación fue la de nanoestructurar fibras provenientes de residuos del plátano con NPs de peróxido de zinc como una propuesta sostenible, teniendo en cuenta factores de optimi...

Stationary and time resolved PL spectroscopy for analysis of ultrafst photoreactions in MALDI and solar cell samples; Stationaere und zeitaufgeloeste Photolumineszenz-Spektroskopie zur Analyse ultraschneller Photoreaktionen in MALDI- und Solarzellenproben

Energy Technology Data Exchange (ETDEWEB)

Hoyer, Theo

2009-02-12

Stationary and time resolved measurements of photoluminescence (PL) were performed to analyse ultrafast photoreactions in solid MALDI (Matrix-Assisted Laser Desorption/Ionization) and solar cell samples. The investigation of pure cinnamic acid samples resulted in a first-time observation of a PL signature which is controlled by a photodimerisation on a ps- and fs-time scale. Other matrix compounds showed clear evidence of ultrafast photoinduced crystal reactions as well. In analyte/matrix mixtures consisting of angiotensin II and alpha-cyano-4-hydroxycinnamic acid or sinapinic acid, an additional effective PL quenching of matrix monomers was identified. This clearly indicates the existence of a further ultrafast photoreaction which strongly competes with the photodimerisation. The additional reaction is assumed to be a photoisomerisation of matrix monomers and to occur in the immediate vicinity of the analyte molecules. PL measurements on solar cell samples were performed with a P3HT/PCBM-mixture. The results show that within 150 fs about 50% of the P3HT-excitations relax via spontaneous charge transfer to PCBM molecules in this mixture.

Artistas plásticos según su público: análisis de la plástica bumanguesa desde la visión del espectador1

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Juliana Silva Díaz

2014-06-01

Full Text Available El siguiente artículo presenta la interpretación de un sondeo realizado a los diferentes agentes que han tenido alguna relación con las artes plásticas en Bucaramanga, Colombia, durante los últimos cinco años (2008-2012. Se muestra la visión y las ideas que tanto el público espectador como los artistas creadores de la ciudad tienen sobre el arte y quienes lo desempeñan, además de los requerimientos que, según ambos, deben tener los artistas para ser reconocidos como tal. Finalmente, partiendo de un ejercicio estadístico, se reseña a los cuatro artistas que mayor recurrencia tuvieron en las encuestas y se intenta un diagnóstico del ambiente de las artes plásticas de la ciudad.ABSTRACTThe following article presents an interpretation of a survey applied to those who have been involved with the field of Fine Arts in Bucaramanga, Colombia, during the last five years (2008-2012. It shows the perceptions that both the viewing public and artists have about arts and about those who work in the field, as well as the requirements that artist must have in order to be recognized as such. Finally, after a statistical analysis we review four artists who had the most incidence in the surveys, and propose a diagnosis of the state the local visual arts scene.RÉSUMÉL’article qui suit présente l’interprétation d’une enquête réalisée auprès des différents acteurs qui ont eu une certaine relation avec les arts plastiques à Bucaramanga, en Colombie, au cours des cinq dernières années (2008-2012. On y dévoile la vision et les idées que le public spectateur, tout comme les artistes créateurs de la ville partagent sur l’art et ceux qui l’exécutent, en plus des exigences que, d’après ceux-ci, devraient avoir les artistes en vue d’être reconnus comme tels. Enfin, partant d’un exercice statistique, sont décrits les quatre artistes qui ont eu le plus de récurrence dans les enquêtes ainsi qu’une tentative de diagnostic de

II José Plínio Baptista School of Cosmology

CERN Document Server

Piattella, Oliver; Rodrigues, Davi; Velten, Hermano; Zimdahl, Winfried

2016-01-01

The series of texts composing this book is based on the lectures presented during the II José Plínio Baptista School of Cosmology, held in Pedra Azul (Espírito Santo, Brazil) between 9 and 14 March 2014. This II JBPCosmo has been entirely devoted to the problem of understanding theoretical and observational aspects of Cosmic Background Radiation (CMB). The CMB is one of the most important phenomena in Physics and a fundamental probe of our Universe when it was only 400,000 years old. It is an extraordinary laboratory where we can learn from particle physics to cosmology; its discovery in 1965 has been a landmark event in the history of physics. The observations of the anisotropy of the cosmic microwave background radiation through the satellites COBE, WMAP and Planck provided a huge amount of data which are being analyzed in order to discover important information regarding the composition of our universe and the process of structure formation.

Aspectos anatômicos de plântulas Foeniculum vulgare Mill. Anatomical aspects of the Foeniculum vulgare Mill. seedling

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C.F. Azevedo

2012-01-01

Full Text Available A erva-doce, Foeniculum vulgare Mill. (Apiaceae, é uma erva entouceirada, aromática que apresenta propriedades condimentares e medicinais; tem origem Européia e é amplamente cultivada em todo o Brasil. Devido à deficiência de informações relativas à organização estrutural de plântulas de espécies medicinais, o presente estudo teve como objetivo fornecer informações sobre a anatomia e o desenvolvimento de plântulas de F. vulgare. As sementes de erva-doce foram semeadas em areia e mantidas em casa de vegetação por 25 dias, sendo realizadas regas diárias. Foram selecionadas plântulas normais e de padrão uniforme, que tiveram raiz, zona de transição, caule, cotilédones e primeiras folhas seccionados à mão livre. Este material foi corado e montado em lâminas com glicerina para observação em microscópio. Em todos os órgãos da plântula de erva-doce a epiderme é unisseriada, cuticularizada e com estômatos; sendo que as duas últimas estruturas não são encontradas na raiz, porém esta apresenta pêlos unicelulares e cônicos. Os cotilédones e as folhas apresentam funções fotossintéticas e nutricionais, indicadas pela presença de grande quantidade de estômatos, cloroplastos e amido. A caracterização anatômica de plântulas de F. vulgare auxilia na identificação da espécie e no conhecimento da organização celular, fornecendo informações que auxiliam em estudos fisiológicos, taxonômicos e ecológicos.Fennel, Foeniculum vulgare Mill. (Apiaceae, is a forming clumps herb and presents aromatic, medicinal and condimental properties. It has European origin and is widely cultivated and used in Brazil. Due to lack of information concerning the structural organization of seedlings of medicinal species, this study aimed to provide information about the anatomy and development of F. vulgare seedlings. The seeds fennel was sowed in sand and maintained in greenhouse for 25 days, with daily waterings. Were selected

O plágio, a cópia e a intertextualidade na produção acadêmica

Directory of Open Access Journals (Sweden)

Ivy Judensnaider

2011-10-01

Full Text Available A ocorrência cada vez mais frequente do plágio nos trabalhos discentes enseja a discussão sobre a sua prática, em especial quando resultante da falta de compreensão sobre o real significado do caráter intertextual da produção acadêmica. Na investigação sobre os possíveis diálogos entre as várias camadas do texto cientifico, esse artigo procura estabelecer distância entre eles e a prática do plágio ou da cópia, assim o fazendo por meio da análise da construção de sentido a partir da leitura e da escrita como exercício da leitura de mundo e do processo dialógico entre discursos e sujeitos.

A Long-Acting BMP-2 Release System Based on Poly(3-hydroxybutyrate) Nanoparticles Modified by Amphiphilic Phospholipid for Osteogenic Differentiation

Science.gov (United States)

Peng, Xiaochun; Chen, Yunsu; Li, Yamin; Wang, Yiming

2016-01-01

We explored a novel poly(3-hydroxybutyrate) (PHB) nanoparticle loaded with hydrophilic recombinant human BMP-2 with amphiphilic phospholipid (BPC-PHB NP) for a rapid-acting and long-acting delivery system of BMP-2 for osteogenic differentiation. The BPC-PHB NPs were prepared by a solvent evaporation method and showed a spherical particle with a mean particle size of 253.4 nm, mean zeta potential of −22.42 mV, and high entrapment efficiency of 77.18%, respectively. For BPC-PHB NPs, a short initial burst release of BMP-2 from NPs in 24 h was found and it has steadily risen to reach about 80% in 20 days for in vitro test. BPC-PHB NPs significantly reduced the burst release of BMP-2, as compared to that of PHB NPs loading BMP-2 without PL (B-PHB NPs). BPC-PHB NPs maintained the content of BMP-2 for a long-term osteogenic differentiation. The OCT-1 cells with BPC-PHB NPs have high ALP activity in comparison with others. The gene markers for osteogenic differentiation were significantly upregulated for sample with BPC-PHB NPs, implying that BPC-PHB NPs can be used as a rapid-acting and long-acting BMP-2 delivery system for osteogenic differentiation. PMID:27379249

Comportamento vegetativo e produtivo de videiras 'Cabernet sauvignon' cultivadas sob cobertura plástica Vegetative growth and yield of 'Cabernet sauvignon' grapevine under overhead plastic covering

Directory of Open Access Journals (Sweden)

Clenilso Sehnen Mota

2008-03-01

Full Text Available O uso de cobertura plástica no cultivo de videira encontra-se em expansão no Rio Grande do Sul, por ser uma alternativa que visa a proteger as plantas da precipitação pluvial e do granizo. O objetivo deste estudo foi avaliar os impactos de uma cobertura plástica translúcida e impermeável sobre a fenologia, o crescimento (de ramos, folhas, cachos e bagas e a produtividade em videiras 'Cabernet Sauvignon' (Vitis vinifera L., com cinco anos de idade, conduzidas em sistema 'Y', sobre porta-enxerto Paulsen 1103. O experimento, conduzido no município de Caxias do Sul-RS, seguiu o delineamento em blocos ao acaso, tendo os tratamentos sem e com cobertura plástica, com quatro repetições de 15 plantas (unidade experimental. As alterações microclimáticas impostas pela cobertura plástica não foram expressivas para alterar a fenologia da videira. As plantas cultivadas sob cobertura plástica apresentaram maiores valores de comprimento e massa fresca de ramos e de área, e massa seca foliar em comparação às plantas descobertas. O peso e o diâmetro de bagas foram superiores nas videiras cobertas apenas no início do ciclo e não diferiram próximo da colheita. As demais variáveis analisadas não foram afetadas pela cobertura plástica. A cobertura plástica interferiu no crescimento vegetativo das plantas, mas não afetou a produção.There is an increasing adoption of overhead plastic covering for grapevines in the State of Rio Grande do Sul, Southern Brazil, to protect the plants from rain and hail storms. This study was carried out to evaluate the impacts of overhead plastic covering with a translucent and water-proof plastic film on phenological, growth (of branch, leaves, clusters, and berries, and yield attributes of five years old 'Cabernet Sauvignon' grapevines (Vitis vinifera L. on Paulsen 1103 rootstock raised as 'Y' management system. The experiment was carried out in Caxias do Sul, State of Rio Grande do Sul, and followed a

Sintesis in situ de nanopartículas de peróxido de zinc sobre fibras de plátano con potencial en la industria textil

Directory of Open Access Journals (Sweden)

María Estefanía Ballesteros García

2017-09-01

Full Text Available El presente trabajo de investigación plantea un desarrollo entorno al manejo de residuos en los cultivos de plátano, siendo una idea sostenible con respecto a la extracción y adquisición de fibras con cualidades innovadoras que posean nanopartículas (NPs de ZnO2 como la capacidad antimicrobiana. La finalidad de la investigación fue la de nanoestructurar fibras provenientes de residuos del plátano con NPs de peróxido de zinc como una propuesta sostenible, teniendo en cuenta factores de optimización en procesos para la síntesis de las nanopartículas. Los resultados más relevantes se obtuvieron en la prueba física microscopia electrónica de barrido (SEM, en donde se destaca el tamaño nanométrico de las partículas sintetizadas de 94 nm. Se demostró el factor hidrofóbico de las fibras de plátano por encima de las fibras de algodón.

Emergência de plântulas de Schizolobium amazonicum Huber ex Ducke em função da posição de semeadura

Directory of Open Access Journals (Sweden)

Ismael de Oliveira Pinto

2014-09-01

Full Text Available Para a produção de mudas busca se reduzir o tempo em que estas permanecem no viveiro e fatores como temperatura, umidade, germinação e posição da semente na semeadura podem contribuir com o prolongamento deste tempo aumentando assim os custos de produção. Desta forma, objetivou-se com esse trabalho verificar o efeito da posição da semente na semeadura sobre o processo de emergência de Schizolobium amazonicum. Para tanto, os tratamentos foram dispostos em DIC, constituído de 3 posições de semeadura com quatro repetições de 25 sementes, sendo elas:  A- com a semente em pé com o hilo para baixo; B - semente sobre uma das faces; e o C com a semente plantada de lado sobre a espessura e faces paralelas às paredes da sementeira. Foram avaliados a percentagem de emergência de plântulas, primeira contagem, IVE e  comprimento da parte aérea das plântulas. Observamos que a emergência de plântulas e primeira contagem não foram influenciados pelas posições das sementes avaliadas. A variável IVE na posição C obteve maior valor.  Quando semeadas na posição A as sementes apresentaram IVE 17,5% inferiores quando comparadas a posição C. A posição B apresentou os resultados de comprimento de plântulas mais uniforme para cada período de avaliação. 

Importancia de la cachaza como sustrato en la producción de plántulas de hortalizas

Directory of Open Access Journals (Sweden)

Rengifo Juán C.

1996-12-01

Full Text Available

The present work intented to find the optime relation in mixture of filter press cake of sugar cane-botton fly ash. These mixtures provide a better conditions for the production of seedling of tomato and pepper. With the actual situation and conditions of the horticultural sector, there is the need to look for a new a cheap sustrate that fulfill the needs as good physicochemical conditions and with not bad effects on the environment. From the 26 treatments evaluated the T 10: filter press cake 75% y botton fly ash 25% it the one which showed the best conditions given the best results from all. The mixture with soil only showed positive result when the filter press cake was mix with ashes and soil where the filter press cake was over the 50% of the mixture. It is recomended the use of the relations cachaza 75%, botton fly ash 25%, as an alternative for the production of seedling of tomatoes and pepper.

Entre 1991-II y 1992-I se investigó el comportamiento de la cachaza mezclada con ceniza de carbón coke y tres tipos de suelos como sustratos para la producción de plántulas de tomate, Lycopersicon esculentum Mili, y Pimentón, Capsicum annuum L., como alternativa a los sistemas de trasplante de raíz desnuda actualmente utilizados. De los 26 tratamientos evaluados el T10 (cachaza 75%-Ceniza 25% presentó las mejores condiciones, dada su respuesta significativamente alta en todos los parámetros evaluados para calidad de las plántulas de las dos especies. Las mejores respuestas con suelo, se registraron cuando se mezclaron dos componentes (cachaza ceniza y cuando el nivel de cachaza estuvo por encima del 50% Se recomienda la utilización 75% de cachaza y 25% ceniza como alternativa para producción de plántulas de tomate y pimentón, en regiones de alta disponibilidad de estos materiales.

Original article Familial risk of dyslexia in Polish first grade pupils based on the ARHQ-PL Questionnaire

Directory of Open Access Journals (Sweden)

Grażyna Krasowicz-Kupis

2014-10-01

Full Text Available Background From the perspective of dyslexia, familial risk is the issue most researched worldwide. The familial risk has never been studied in Poland. Results of many studies conducted in Europe, the U.S. and Australia show that children who have a close family member with dyslexia are at greater risk of this disorder than children in the control groups. This conclusion is backed up by the results of research on the genetic aetiology of learning disorders. In the presented study on Polish 1st grade students, the Adult Reading History Questionnaire by Lefly and Pennington (2000 in the Polish adaptation (ARHQ-PL was used. The connections between the familial risk and the level of reading, spelling, phonological abilities and other cognitive functions were analysed. Participants and procedure The study covered 513 children, including their parents, from randomly selected primary schools in the Mazowieckie province. According to the ARHQ-PL assumptions, the children’s parents were divided into groups taking into account the familial risk level. Children were individually assessed for reading, spelling, phonological abilities, naming speed, phonological memory, vocabulary level and selective attention. Inter-group comparisons were performed based on the analysed variables for the groups of children whose parents had critical results in the ARHQ. The comparisons identified high risk (or lack of risk, as per sex, age, education level and SES (socio-economical status. Results The results show that there is a significant connection between risk group membership and the level of reading and of the majority of assessed phonological abilities. More significant relationships were determined for the familial risk of dyslexia observed for mothers. Conclusions The study confirms the diagnostic accuracy of the familial dyslexia risk ratio determined using the ARHQ-PL questionnaire for reading and for the majority of the phonological abilities closely

Technical support document: Energy efficiency standards for consumer products: Refrigerators, refrigerator-freezers, and freezers including draft environmental assessment, regulatory impact analysis

Energy Technology Data Exchange (ETDEWEB)

NONE

1995-07-01

The Energy Policy and Conservation Act (P.L. 94-163), as amended by the National Appliance Energy Conservation Act of 1987 (P.L. 100-12) and by the National Appliance Energy Conservation Amendments of 1988 (P.L. 100-357), and by the Energy Policy Act of 1992 (P.L. 102-486), provides energy conservation standards for 12 of the 13 types of consumer products` covered by the Act, and authorizes the Secretary of Energy to prescribe amended or new energy standards for each type (or class) of covered product. The assessment of the proposed standards for refrigerators, refrigerator-freezers, and freezers presented in this document is designed to evaluate their economic impacts according to the criteria in the Act. It includes an engineering analysis of the cost and performance of design options to improve the efficiency of the products; forecasts of the number and average efficiency of products sold, the amount of energy the products will consume, and their prices and operating expenses; a determination of change in investment, revenues, and costs to manufacturers of the products; a calculation of the costs and benefits to consumers, electric utilities, and the nation as a whole; and an assessment of the environmental impacts of the proposed standards.

Efectos del control del picudo negro (Cosmopolites sordidus en el plátano.

Directory of Open Access Journals (Sweden)

Ignacio Armendáriz

2016-06-01

Full Text Available El objetivo del estudio fue comprobar el efecto en el plátano de las capturas masivas de adultos con feromonas y de la aplicación de hongos entomopatógenos sobre Cosmopolites sordidus. La investigación se realizó en el Carmen, Manabí, Ecuador, de diciembre 2013 a octubre 2014 en una parcela de nueva plantación de plátano Barraganete y se valoró el efecto de la eliminación de restos vegetales de las parcelas. El diseño experimental fue al azar con tres repeticiones. En laboratorio se comprobó la infectividad de la cepa de Beauveria bassiana sobre adultos del picudo negro y del picudo café (Metamasius hemipterus (92,80 y 100% en M. hemipterus frente a 46,70 y 16,20% en C. sordidus. Las capturas de adultos fueron continuas a lo largo del ensayo, con una media de 0,37 adultos/trampa/día. Los datos agronómicos indicaron una diferencia positiva y significativa (análisis de la varianza de los tratamientos frente al control en el perímetro del pseudotallo (F de 4,982 y en el peso de los racimos entre las parcelas limpias con feromonas y con hongos limpias frente al control (F= 3,994. Al comparar los tratamientos el peso del racimo y la longitud de los dedos fueron significativamente mayores en las parcelas de feromonas frente a las de hongos (F = 4,508. Las capturas de adultos con feromonas no estuvieron condicionadas por la limpieza de las parcelas, aunque esta sí incidió en la altura de las plantas (F= 4,245.

Variación genética en plántulas de Eucalyptus spp.

Directory of Open Access Journals (Sweden)

H. C. Martínez Hernández

2001-01-01

Full Text Available En este estudio se evaluó el crecimiento y acumulación de biomasa en plántulas de 7 meses de edad pertenecientes a 42 familias de polinización libre de tres especies de Eucalyptus (E. globulus, E. resinifera, y E. rudis. El ensayo se estableció en condiciones de vivero con germoplasma colectado en plantaciones establecidas en la cuenca del Valle de México. Los resultados indicaron la existencia de variación significativa (P≤0.05 entre especies y entre familias dentro de especies para las variables altura, diámetro, número de hojas y número de ramas, aunque no en el área foliar. A nivel de especies se encontraron diferencias significativas en todas las variables relacionadas con la acumulación y distribución de biomasa, excepto en el peso seco de las hojas. También se encontró una variación significativa (P≤0.01 a nivel de familias dentro de especies en el peso seco del tallo, el peso seco de hojas y la biomasa aérea mientras que el peso seco de las ramas y la biomasa de raíz no presentaron una variación significativa entre las familias. El componente de variación de familias dentro de especies aportó del 2 al 12 % de la variación fenotípica total, mientras que las especies contribuyeron sólo del 0.5 a 7.5 de esta variación. El mayor porcentaje de variación se presentó dentro de parcelas, con valores de 80 a 90 % del total en todas las variables de crecimiento y acumulación de biomasa de las plántulas.

Evaluación de la capacidad productiva de Pleurotus ostreatus utilizando hoja de plátano deshidratada (Musa paradisiaca L., en relación con otros sustratos agrícolas

Directory of Open Access Journals (Sweden)

Omar Romero

2010-01-01

Full Text Available El objetivo de este estudio fue evaluar la producción de la cepa CP-50 de P. ostreatus en residuos de hoja de plátano deshidratada en contraste con otros sustratos agrícolas de desecho del Municipio de Tetela de Ocampo-Puebla. Las hojas de plátano (M. paradisiaca fueron colectadas en la zona de Martínez de la Torre, Veracruz- México y los demás sustratos agrícolas como paja de trigo (T. aestivum, paja de cebada (H. vulgare, pajilla de frijol (P. vulgaris y rastrojo de maíz (Z. mays se adquirieron en la región de Tetela de Ocampo, Puebla, México, para la obtención de fructificaciones en condiciones rurales. La cepa CP-50 demostró un adecuado crecimiento de aéreas miceliales sobre la hoja de plátano deshidratada con una tasa de producción de 1,5±0,1%. La mayor eficiencia biológica (EB se obtuvo en el sustrato paja de trigo, con 129,34±9,1%, la hoja de plátano deshidratada con 123,30±0,7%, y la pajilla de frijol obtuvo la EB más baja de 82,91±0,4%. Los resultados demostraron la factibilidad de cultivar la cepa CP-50 de Pleurotus ostreatus bajo condiciones rústicas en la sierra norte del estado de Puebla, al aprovechar los residuos de la cosecha de plátano de las regiones aledañas del municipio.

Riesgos ergonómicos en empresa de fabricación de productos plásticos

OpenAIRE

Lázaro-Rodríguez, Francisco José

2012-01-01

El presente “Trabajo Final de Máster” tiene por objeto el análisis de los riesgos laborales en una empresa ficticia de fabricación de productos plásticos. El informe se centrará en los riesgos ergonómicos, ocupándose de analizar los distintos riesgos que surjan durante el desarrollo de las actividades por parte de los trabajadores, la consiguiente evaluación de dichos riesgos, y por último, y cuando sea necesario, la adopción de medidas correctoras para eliminar o minimizar los riesgos identi...

Prevención de las patologías respiratorias en las artes plásticas

OpenAIRE

Acera Rojo, María

2016-01-01

[ES]La formación sobre los riesgos laborales para el sistema respiratorio es uno de los pilares fundamentales de la medicina preventiva. En las artes plásticas la formación se hace imprescindible para evitar los riesgos potenciales que tienen los artistas o los artesanos cuando trabajan en espacios inadecuados, como garajes, sótanos, habitaciones de la vivienda habitual, etc., que no reúnen las condiciones de ventilación exigidas para el uso de ciertos materiales. Además, la formación es cruc...

Caracterización de micrositios para el establecimiento de plántulas de Espeletia uribei (Asteraceae

Directory of Open Access Journals (Sweden)

Angélica María Gallego Maya

2016-05-01

Full Text Available Con el fin de determinar si los micrositios de establecimiento están limitando el reclutamiento de las plántulas y la regeneración de Espeletia uribei, un frailejón endémico y valor objeto de conservación del Parque Nacional Natural Chingaza, se evaluaron diez variables bióticas y abióticas dentro de micrositios con plántulas y micrositios vacíos. Las variables que más se relacionaron con el establecimiento fueron: la distancia al adulto reproductivo más cercano, el tipo de zona de luz “abierta” y la estructura de vegetación “herbácea” asociada. La distancia al adulto reproductivo más cercano dificulta que las semillas alcancen micrositios más alejados debido al tipo de dispersión primaria barócora de la especie. Zonas de luz “abiertas” y vegetación asociada herbácea condicionaron la capacidad de germinación y establecimiento de la especie. Los resultados mostraron que el reclutamiento de E. uribei está limitado por la disponibilidad de micrositios que reúnan estas condiciones, un factor que es importante considerar para el planteamiento de futuros proyectos de manejo para la conservación y restauración de las poblaciones de la especie.

Regulating chemicals: law, science, and the unbearable burdens of regulation.

Science.gov (United States)

Silbergeld, Ellen K; Mandrioli, Daniele; Cranor, Carl F

2015-03-18

The challenges of regulating industrial chemicals remain unresolved in the United States. The Toxic Substances Control Act (TSCA) of 1976 was the first legislation to extend coverage to the regulation of industrial chemicals, both existing and newly registered. However, decisions related to both law and science that were made in passing this law inevitably rendered it ineffectual. Attempts to fix these shortcomings have not been successful. In light of the European Union's passage of innovative principles and requirements for chemical regulation, it is no longer possible to deny the opportunity and need for reform in US law and practice.

A fuzzy application on MICE hosting: An Iranian case study for locating suitable areas based on P.L Indexes

Directory of Open Access Journals (Sweden)

Nazanin Tabrizi

2012-04-01

Full Text Available Today, countries compete to gain political, economic, social and cultural advantages. In addition, cities are trying to demonstrate their predominance on local and regional levels and achieve development by using managerial science. Meetings, incentives, conventions and exhibitions tourism (MICE hosting as a significant element of urban tourism is one of the effective methods to obtain urban development around the world. However, no specialized planning and independent investments in regard to these activities have been organized in Iran. Aiming to identify suitable areas in the northern part of Iran, the present research intends to recognize the necessary physical and location related (P.L indexes to perform the specialized activities of MICE tourism in this region. So at first, indispensable indicators to accept special role of MICE tourism are identified and then using GIS and fuzzy method, adapted areas are assigned. The result map shows that a ribbon-like area near the Caspian Sea with two wide lands at central and western parts is a proper choice to host MICE activities in the region from the viewpoint of P.L indexes.

Transformación genética de plátano (musa sp. Cv. Hartón) mediante biobalística aplicada a tejidos meristemáticos

OpenAIRE

Valerio C, Rosanna; de García, Eva C

2008-01-01

El plátano es uno de los cultivos más importantes en el mundo por constituir el alimento básico de millones de personas y una importante fuente de ingresos para los países productores. En los últimos años la producción mundial de plátano se ha visto afectada por numerosas enfermedades causadas por virus, bacterias, insectos y hongos, las cuales provocan grandes pérdidas en la producción y ameritan el uso de diversos tipos de funguicidas e insecticidas, perjudiciales para el ambiente y relativ...

Efecto del deshoje inducido sobre la productividad del plátano (Musa AAB) cv. Hartón y la incidencia de sigatoka negra (Mycosphaerella fijiensis Morelet)

OpenAIRE

Güerere-Pereira, P; Martínez, L; Fuenmayor, L

2008-01-01

Para evaluar el deshoje inducido sobre la productividad del plátano (Musa AAB cv. Hartón), se hizo un estudio en el municipio Colón, estado Zulia. Se seleccionaron 16 plantas de plátano en su primera semana de floración. Los tratamientos consistieron en realizar el deshoje de tal forma de dejar plantas con seis hojas (T1), plantas con ocho hojas (T2), plantas con 10 hojas (T3) y plantas sin deshojar como testigo, con 12 hojas o más (T4), para un total de cuatro tratamientos con cuatro plantas...

Los Alamos Controlled Air Incinerator for hazardous chemical and mixed radioactive wastes

International Nuclear Information System (INIS)

Vavruska, J.S.; Borduin, L.C.; Hutchins, D.A.; Koenig, R.A.; Warner, C.L.

1986-01-01

The Los Alamos Controlled Air Incinerator (CAI) is currently the only radioactive waste incineration facility in the US permitted to treat polychlorinated biphenyls (PCBs). The CAI was developed in the mid-1970's as a demonstration system for volume reduction of transuranic (TRU) contaminated combustible solid wastes. It has since undergone additions and modifications to accommodate hazardous chemical wastes in response to a need within the Department of Energy (DOE) to treat mixed radioactive/chemical wastes. An overview of these additions which include a liquid feed system, a high intensity liquid injection burner, and an activated carbon adsorption unit is presented here. Also included is a discussion of the procedures required for Toxic Substances Control Act (TSCA) and Resource Conservation and Recovery Act (RCRA) permitting of the CAI

Comentario de Orden al I Tomo del Tratado Cirugía plástica, Reconstructiva y Estética.

Directory of Open Access Journals (Sweden)

Tito Tulio Roa Roa

2005-10-01

Extirpar la giba de la nariz es, en cierto modo, realizar un algo de cirugía estética, pero se trata de un alto de exéresis. Extirpar una giba nasal pero respetando su revestimiento mucoso, rellenar el espacio residual dejado colocando un injerto óseo o cartilaginoso es actuar como un cirujano plástico...

Modelo de rendimiento potencial del cultivo de plátano (Musa AAB Simmonds

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Chaves Bernardo

2009-12-01

Full Text Available

El plátano es un producto básico en la alimentación para más de 400 millones de habitantes de las regiones tropicales y subtropicales del mundo. Los modelos del desarrollo de cultivos se han convertido en una herramienta de mucha utilidad para investigadores que estudian procesos fisiológicos básicos, y agricultores que los usan en la toma de decisiones para el manejo del cultivo. Con el objetivo de desarrollar un modelo de producción potencial de plátano, se usaron los datos de dos experimentos con la variedad Dominico-Hartón en Colombia, en los cuales se midieron variables fisiológicas de crecimiento y desarrollo, así como variables climáticas. Con base en los resultados se estimó el coeficiente de extinción de la luz (k en 0,2817 y el uso eficiente de la luz (LUE en 1,63 g MJ^-1 . En la etapa vegetativa, las hojas, el tallo y el cormo incrementaron su materia seca por partes iguales, pero en la etapa reproductiva las hojas y el cormo perdieron masa, mientras que el tallo continuó en aumento, aunque no tan aceleradamente como en la primera etapa. Del análisis de sensibilidad se deduce que LUE es el parámetro más sensible y, por lo tanto, los esfuerzos se deben dirigir a mejorar la conversión de luz incidente en materia seca.

Plataforma productiva como fuerza del desarrollo endógeno del sector de manufacturas plásticas

OpenAIRE

Maryana Sandrea; Mariby Boscán

2014-01-01

La plataforma productiva de una localidad constituye un soporte a la actividad empresarial, en términos de infraestructura física y servicios conexos, que dependiendo de sus condiciones estimula o frena el desarrollo endógeno. En este contexto, el objetivo general de la investigación consiste en analizar las condiciones de la plataforma productiva como fomento al desarrollo endógeno, en el sector de manufacturas plásticas, utilizando básicamente los aportes de Vázquez (2005 y 2007). El estudi...

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.

Deimanto tipo anglies nanokompozicinių (SiOx turinčių deimanto tipo anglies plėvelių struktūros, cheminės sudėties, savybių ir taikymo sričių apžvalga

Directory of Open Access Journals (Sweden)

Šarūnas MEŠKINIS

2011-11-01

Full Text Available Straipsnyje apžvelgiama dabartinė būklė nanokompozicinių deimanto tipo anglies plėvelių (SiOx turinčių deimanto tipo anglies dangų tyrimų srityje. Aptariami įvairūs šių dangų formavimo metodai bei sintezei naudojamos medžiagos. Įvairiais būdais ir įvairiomis sąlygomis užaugintų deimanto tipo anglies nanokompozicinių plėvelių cheminė sudėtis nagrinėta atsižvelgiant į tyrimų duomenis, gautus taikant skirtingus analizės metodus (rentgeno spindulių fotoelektronų spektroskopiją, infraraudonųjų spindulių spektroskopiją. Taip pat aprašyti skirtingų autorių siūlomi nanokompozicinių deimanto tipo anglies plėvelių struktūros modeliai. Apžvelgtos SiOx turinčių DTA plėvelių, suformuotų įvairiais būdais, mechaninės, optinės, elektrinės savybės bei plėvelių paviršiaus energija. Straipsnio pabaigoje aprašomos nanokompozicinių deimanto tipo anglies plėvelių dabartinės naudojimo sritys ir ateities perspektyvos.http://dx.doi.org/10.5755/j01.ms.17.4.770

MICROSTRUCTURE FEATURES OF CHROME-NICKEL COATING WELDED WITH FILLER WIRE PL AN-111 WITH A 50% OVERLAP

Directory of Open Access Journals (Sweden)

A. G. Belik

2017-04-01

Full Text Available Purpose. The paper involves investigation of microstructure features of the coating welded with filler wire PL AN-111 with a 50% beads overlap. Methodology. Wear-resistant layer was formed by means of electric arc deposit welding using filler wire PL AN-111 on the plate from steel 09G2S. Deposit welding was conducted under the following parameters: welding current is of 650-750 A; arc voltage is of 30-34 V; welding speed is of 32 m/h. Microstructure was researched with application of optical microscopies “Neophot-21”, “Nikon Eclipse M200” and electron scanning microscopy JEOL JSM-6510 LV. Microhardness of structural constituentswas measuredwithtesterFM-300 (Future-Tech under loading of 10-50 g. Findings. It is shown that the overlap of the beads leads to the formation of inhomogeneous microstructure in the cross section that varies by zones from free-carbide austenite to hypereutectic microstructure with primary chromium carbides. The analysis of the microhardness of the structural constituents in various coating areas was carried out. It was found that hardness of austenite, carbide eutectic and carbides M7C3 varies in coatings in the range of 3 100-3 850 МPа, 4 100-6 800 МPа and 12 100-15 100 МPа, accordingly. Originality. Authors determined that Cr-Ni coating comprises substantially austenitic-carbide eutectic with different density and thickness of carbide fibers within eutectic colonies. Along the border “base/coating” a single-phase austenitic layer lies which turns into a layer with a hypoeutectic structure. In the heat affected zone from beads fusion austenite disintegration with the granular carbides formation was recorded. This leads to decreasing of matrix corrosion resistance due to chromium depletion. Above the zone of beads fusion, the coating has a hypereutectic structure with the presence of large primary chromium carbides. Practical value. It is shown that deposit welding with filler wire PL AN-111 with a 50

Illinois energy conservation plan report: 1979 revision

Energy Technology Data Exchange (ETDEWEB)

None

1979-02-01

In response to Energy Policy and this Conservation Act (PL 94-163) and Energy Conservation and Production Act (PL 94-385), this paper describes the activities to be undertaken by Illinois to meet the mandatory requirements of the Acts and to carry out other activities to encourage energy conservation by energy-consuming sectors in the state. Programs reach the residential, commercial/industrial, agricultural, educational, transportation, and government sectors. The overall goal of the program is to reduce projected energy consumption in 1980 by 5% through information and educational activities.

Pautas valorativas y creativas de la actividad plástica infantil en contextos académico y extraacadémico

Directory of Open Access Journals (Sweden)

Pilar DOMÍNGUEZ TOSCANO

2009-11-01

Full Text Available RESUMEN: Este informe presenta los resultados de una investigación sobre los tópicos que describen las actividades plásticas realizadas por los niños dentro y fuera de la escuela. Se incide especialmente en la magnitud y dirección del efecto que, sobre los criterios del enjuiciamiento estético infantil, producen tanto los agentes motivadores familiares como el contexto escolar. Complementando esta exploración con un estudio de las pautas valorativas que presiden la evaluación que hacen los maestros del producto artístico escolar, indican las correlaciones la fuerte incidencia de las actividades plásticas escolares en los criterios estéticos del niño. En concreto, apuntan que la importancia concedida al desarrollo psicomotor enfatiza sobre el dominio gestual que proporciona el ejercicio gráfico, y pudiera influir en la pauta evolutiva de la expresión plástica infantil, argumentando una explicación cultural junto a la ya conocida causa genética.ABSTRACT: This report presents the results of a research about the topics which describe the plastic arts activities by children inside and outside the school. It especially emphasizes the magnitude and the direction that the family and the school environment have on children's aesthetic judgement. This exploration is completed with a study about the valuation patterns present in the evaluation of school plastic activities made by teachers, and it also shows the correlation and the great effect that school plastic arts activities have on children's aesthetic creteria. In particular, it indicates that the importance given to the psychomotor development emphasizes the gesture dominion provided by the graphic exercise, and it might have an influence in the evolutive pattern of children's plastic expression, raising a cultural explanation to the already known genetic reason.

Entre a melancolia e a exaltação: povo e nação na obra de Plínio Salgado

Directory of Open Access Journals (Sweden)

Eliana Regina de Freitas Dutra

1999-09-01

Full Text Available O artigo pretende mostrar como Plínio Salgado retrata o Brasil e o homem brasileiro, mapeando as raízes culturais "singulares" da nossa brasilidade, em contraste com a realidade européia e, ao fazê-lo, define sua concepção de Nação. O nosso pressuposto é que o quadro referencial que conforma o pensamento pliniano sobre Povo/Nação é o do Romantismo. Os conceitos de Povo/Nação, elaborados em afinidade com esses referentes, devem ser entendidos como parte constitutiva da ideologia nacionalista do integralismo na versão desse autor. Interessa-nos ressaltar que as formulações políticas de Plínio Salgado foram elaboradas em um momento da história brasileira, em que as definições da identidade e do caráter nacional brasileiros eram pré-requisitos indispensáveis para a escolha de modelos e o estabelecimento de padrões de sociabilidade política. Daí a importância de se destacar os seus pontos de contato com a obra de outros ensaístas do período.The article has the aim to show the way in which Plínio Salgado portrays Brazil and its people. He tracks the unique cultural roots of Brazilian very own self, therefore contrasting them with the European reality and, by doing so, he defines a concept of Nation. Our presupposition is that the referential frame which shapes Salgado's thinking about People/Nation, is the same used in the Romanticism. The concepts of People/Nation, elaborated in affinity with such referential, must be understood as a constitutive part of the nationalist ideology of "Integralismo" in the author's perspective. We are interested in highlighting the fact that the political formulations of Plínio Salgado were elaborated in a moment of Brazilian history, in which the definition of a national identity and character, were considered essential prerequisites for the choice of role models and for establishing patterns of political sociability. Thus the importance to highlight the aspects of his thoughts which

Elaboración de harina de 3 variedades de plátano verde (musa spp) y su uso como materia prima para la planificación.

OpenAIRE

Jiménez Márquez, Erika

2012-01-01

En México y otros países, durante el manejo la cosecha, una fracción de los racimos de plátano se desprende y se pierde, generando problemas ambientales. Algunas alternativas para reducir esos desechos son la producción de harinas de plátano verde; pues, representan una fuente alternativa para la obtención de almidón, que actualmente se obtiene de maíz y papa. El almidón es uno de los nutrientes más importantes por su alto valor energético. Existen fracciones de almidón denominadas almidón re...

Niveles intelectuales y ansiedad en niños con intoxicación plúmbica crónica: Colegio "María Reiche". Callao-Perú, 2002

OpenAIRE

Julián Vega; Juan De Coll; Jorge Lermo; Juan Escobar; Miriam Díaz; José Castro

2005-01-01

Objetivo: Determinar la asociación entre intoxicación plúmbica crónica y niveles intelectuales, y la asociación entre intoxicación plúmbica crónica y ansiedad, en niños del colegio "María Reiche"-Callao. Materiales y Métodos: Se realizó un estudio observacional transversal en 39 niños que participaron en el dosaje de plomo en sangre hecho por la Dirección General de Salud Ambiental en el año 2002. Se midió el coeficiente intelectual y determinó el nivel intelectual, y se aplicó la lista de ch...

76 FR 27271 - TSCA Inventory Update Reporting Modifications; Submission Period Suspension

Science.gov (United States)

2011-05-11

... manufacturing). This listing is not intended to be exhaustive, but rather provides a guide for readers regarding... section 553 of the Administrative Procedure Act (APA), 5 U.S.C. 553, EPA is finalizing this action based... requirements). Alternatively, under section 553(b)(3)(B) of the APA, the Agency may issue a final rule without...

Respuesta del chile mirasol a la labranza reducida, enmiendas al suelo y acolchado plástico

OpenAIRE

Amador-Ramírez, Mario Domingo; Velásquez-Valle, Rodolfo; Sánchez-Toledano, Blanca Isabel; Acosta-Díaz, Efraín

2013-01-01

El interés por la sostenibilidad de algunos sistemas de chile seco (Capsicum annuum L.) proviene de la producción intensiva a la que es sometida este cultivo, lo cual es causada por el uso excesivo de actividades agrícolas. El objetivo de este estudio fue: 1) evaluar los efectos de la labranza reducida, incorporación de abono verde, incorporación de abono seco y la asociación riego por goteo + acolchado plástico en el crecimiento y rendimiento de chile seco, al comparar estos efectos con aque...

El dinero plástico de instituciones financieras: probabilidad de convertirse en el principal medio de pago

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Marcos Moreira Solórzano

2015-06-01

Full Text Available La modernización y globalización traen cambios significativos en los hábitos de compras de los usuarios de tarjetas de crédito y débito bancario (Dinero Plástico, el objetivo de este artículo fue determinar si esta tendencia se convertirá muy pronto en la forma principal de pago de los ecuatorianos. Para lograr este objetivo, un equipo de estudiantes del séptimo nivel de la asignatura Sistematización Contable y Financiera, de la Escuela de Contabilidad y Auditoría de la Universidad Técnica de Manabí, realizó una encuesta aleatoria a clientes de las principales entidades financieras de la ciudad de Portoviejo, Ecuador. En el proceso se utilizó técnicas bibliográficas, teóricas, empíricas, y analíticas, y observación directa; metodología que proporcionó información capaz de determinar que los tarjetahabientes aumentarán en los próximos años, lo que estimulará el uso de dinero plástico en las actividades comerciales. El resultado de esta investigación servirá de guía para el futuro de las transacciones comerciales que las empresas ofertan. Palabras clave: Consumo, dinero, sistema de pago, crédito, mercado financiero

Comportamiento agronómico del cultivo del plátano, variedad curare enano en Sandy Bay Costa Caribe Norte de Nicaragua

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Karen Yaskara Castellón Muller

2018-02-01

Full Text Available Se evaluó el comportamiento agronómico en el cultivo del plátano (Musa paradisiaca de la variedad curare enano en la comunidad indígena Waitna tigni, Sandy Bay Norte, Región Autónoma Costa Caribe Norte (RACCN. Es de carácter experimental, con la siembra de 150 cepas de plátano con peso promedio de 3.5 libras, en un área de 30 x 40 m2. Se utilizó el método triangular con una distancia de 3 metros entre planta y planta e hilera. El manejo aplicado en el cultivo fue semi tecnificado, se realizó con el método tradicional empleado por los comunitarios que toman en cuenta la época de siembra, el clima, las fases lunares, y emplean como herramientas azadones y machetes; este proceso se complementó con la aplicación de fertilizantes, fungicida y nematicida con un plan de aplicación y de manejo del cultivo. Los resultados reflejaron que las variables número de hojas, diámetro de tallo, ahijamiento y dedo (largo, ancho y peso, se asemejan a su carta tecnológica. El rendimiento general fue de 38,250 unidades de plátano por hectárea, equivalente a 14,750 kilogramos por hectárea del producto. De manera general el cultivo presentó un buen comportamiento agronómico, fenológico y de adaptabilidad, por lo que se puede implementar un programa de producción con buen manejo y con fines de comercialización nacional e internacional.

Fluctuación poblacional del picudo negro (Cosmopolites sordidus Germar del plátano (Musa AAB en San Carlos, Costa Rica

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Carlos Muñoz Ruiz

2007-05-01

Full Text Available Se evaluó el efecto de las lesiones provocadas por el picudo negro (Cosmopolites sordidus, Germar en una plantación de plátano “Curraré”, según dos sistemas de producción: el tradicional y el convencional, en la zona de San Carlos, Costa Rica. El proyecto se ordenó en un diseño experimental irrestricto al azar, con cuatro repeticiones. Se evaluaron las variables vegetativas (altura de la planta, diámetro del pseudotallo, durante el desarrollo de la plantación (primer año y las variables productivas (peso del racimo, calibre y longitud del dedo central de la segunda mano en el momento de cosechar los racimos. También se evalúo la eficiencia de dos métodos de muestreo y captura de adultos del picudo negro, la trampa tipo “disco” y con feromona Cosmolure ®, de Chem Tica S A. en potes de plástico enterradas en el suelo. No hubo diferencias significativas en el número de captura en ambos métodos de muestreo. Tampoco se pudo encontrar ninguna relación del clima con el número de individuos capturados en este experimento. El daño del insecto en el cultivo de plátano fue evaluado según la metodología o escala de Vilardebo (1971, y se obtuvieron resultados de lesiones inferiores al 5%, los que se consideraron no perjudiciales económicamente para la actividad platanera en la zona de influencia del estudio. Se utilizó también la escala de Bridge, la cual no fue funcional en este estudio.

La cirugía plástica y su labor humanitaria en México

OpenAIRE

A. Vallarta-Rodríguez; J.M. Morales-Olivera; A. Duarte y Sánchez

2015-01-01

La mayoría del gasto público en salud en México se enfoca hacia las patologías causantes de la mayor mortalidad: enfermedades circulatorias, metabólicas y neoplasias. Así pues, las malformaciones congénitas, secuelas de quemaduras o secuelas de cáncer, no se encuentran al alcance de la población que vive en pobreza. Es por ello que desde hace más de 50 años se iniciaron en nuestro país las Cirugías Extramuros y en el 2012 se creó la Fundación para Asistencia e Investigación en Cirugía Plástic...

Cirugía Plástica Periodontal: reporte de un caso clínico

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Luis Alexandro Bueno Rossy

Full Text Available El abordaje terapéutico de las recesiones gingivales requiere un plan de tratamiento que involucre terapia básica, la cual tendrá como objetivo la resolución de la/las etiologías de la/las mismas y una terapia de cirugía plástica periodontal adecuada al caso específico. Los procedimientos quirúrgicos con injertos de tejido conjuntivo tomados principalmente del paladar son el gold standard en el tratamiento de las recesiones gingivales. El objetivo de este trabajo es exponer paso a paso el tratamiento de una recesión gingival post- terapia de ortodoncia y su evaluación a largo plazo

Distribución de los inmaduros de Antichloris viridis Druce, 1884 en la planta de plátano (Musa AAB, sub grupo plátano, cv. Hartón) en el sur del lago de Maracaibo, Venezuela.

OpenAIRE

Liscano, O.A.; Domínguez Gil, O

2005-01-01

Para determinar la distribución de Antichloris viridis, en la planta de plátano, se seleccionaron dos plantaciones comerciales, en los municipios Francisco Javier Pulgar y Colón del estado Zulia, Venezuela. Se clasificaron los estados de desarrollo de las plantas (GD) en seis grados de acuerdo al número de hojas y el estado fisiológico de la planta. Se determinó el % de defoliación y la presencia de huevos, larvas pequeñas, medianas y grandes y pupas por hoja. Se delimitaron tres estratos por...

Morfoanatomia da plântula de Celtis iguanaea (Jacq. Sarg. (Ulmaceae = Morphology and anatomy of Celtis iguanaea (Jacq. Sarg. (Ulmaceae seedling

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Rosemari Pilati

2006-01-01

Full Text Available Celtis iguanaea é uma espécie pioneira, típica de mata ciliar. O presente estudo visa a investigação da morfoanatomia da plântula dessa espécie, pertencente à Ulmaceae. As sementes, coletadas na planície de inundação do alto rio Paraná, foram germinadas emcâmara de germinação com temperatura constante de 30ºC e mantidas sob luz fluorescente contínua. O desenvolvimento das plântulas ocorreu em casa de vegetação. A análise anatômica foi feita em plântulas fixadas em FAA 50. Esse material foi secionado transversalmente e as seções obtidas foram coradas em safranina e azul de astra. Verificou-seque a plântula é fanerocotiledonar, epigéia, e apresenta raiz ramificada, hipocótilo desenvolvido, cotilédones obovados e persistentes, epicótilo verde e piloso e eofilo oblongo ou lanceolado. A raiz é tetrarca ou diarca. O hipocótilo possui crescimento secundário com periderme de origem profunda. O epicótilo também apresenta crescimento secundário com periderme de origem subepidérmica. Os cotilédones e o eofilo são folhas dorsiventrais comcistólitos.Celtis iguanaea it is a typical arboreal species of ciliar forest, belonging to the family Ulmaceae. This work intends to investigate the morphology and anatomy of seedling species. The seeds used were collected from several trees, in fragments of the Semideciduous Seasonal Alluvial and Submontane Forest located on Upper Paraná Riverfloodplain. The seeds were germinated at constant temperatures (30ºC, using germination chambers and kept under continuous fluorescent light. Seedling development occurred in a greenhouse. Anatomical analysis was made in seedlings fixed in FAA 50. The botanical material was sectioned by microtome and stained with safranin and astra blue. The seedling is phanerocotylar and epigeal, presents ramified root, developed hypocotyl, obovate and persistent cotyledons, green and hairy epicotyl and the first leaf in a shape oblong or lanceolate. Root is

Waste Isolation Pilot Plant Biennial Environmental Compliance Report

International Nuclear Information System (INIS)

2006-01-01

This Biennial Environmental Compliance Report (BECR) documents compliance with environmental regulations at the Waste Isolation Pilot Plant (WIPP), a facility designed and authorized for the safe disposal of transuranic (TRU) radioactive waste. This BECR covers the reporting period from April 1, 2004, to March 31, 2006. As required by the WIPP Land Withdrawal Act (LWA) (Public Law [Pub. L.] 102-579, as amended by Pub. L. 104-201), the BECR documents United States (U.S.) Department of Energy (DOE) compliance with regulations and permits issued pursuant to the following: (1) Title 40 Code of Federal Regulations (CFR) Part 191, Subpart A, 'Environmental Standards for Management and Storage'; (2) Clean Air Act (CAA) (42 United States Code [U.S.C.] 7401, et seq.); (3) Solid Waste Disposal Act (SWDA) (42 U.S.C. 6901-6992, et seq.); (4) Safe Drinking Water Act (SDWA) (42 U.S.C. 300f, et seq.); (5) Toxic Substances Control Act (TSCA) (15 U.S.C. 2601, et seq.); (6) Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) (42 U.S.C. 9601, et seq.); and all other federal and state of New Mexico laws pertaining to public health and safety or the environment.

25 CFR 700.33 - Act (The Act).

Science.gov (United States)

2010-04-01

... 25 Indians 2 2010-04-01 2010-04-01 false Act (The Act). 700.33 Section 700.33 Indians THE OFFICE OF NAVAJO AND HOPI INDIAN RELOCATION COMMISSION OPERATIONS AND RELOCATION PROCEDURES General Policies and Instructions Definitions § 700.33 Act (The Act). (a) The Act. The Act is Pub. L. 93-531, (88 Stat...

Cirugía plástica básica para el no especialista

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Juan Carlos Fernández

2015-10-01

• Quemaduras. Primeros auxilios. Por calor. Por electricidad. Por ácidos o álcalis., etc.          Las técnicas están descritas en un lenguaje accesible al no especialista y están profusamente ilustradas en colores.         La edición fue realizada por impresión médica.         El Prof. Coiffman es también el director del tratado “Coiffman. Cirugía Plástica, Reconstructiva y Estética”, que, en su tercera edición, consta de ocho tomos. Esta obra es el texto de estudio de la especialidad en iberolatinoamérica y tiene 170 coautores internacionales. Fue editada por la Editorial Amolca.

Umedecimento do substrato na emergência e vigor de plântulas de pupunheira Substrate moisture level effect on seedling emergency and vigor of peach palm

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Cibele Chalita Martins

2009-03-01

Full Text Available A germinação rápida e uniforme das sementes, seguida por pronta emergência das plântulas são características altamente desejáveis na formação de mudas. O objetivo deste trabalho foi verificar o efeito de diferentes níveis de umedecimento do substrato vermiculita sobre a porcentagem de emergência e o vigor de plântulas de pupunheira. O umedecimento da vermiculita com água nas quantidades de 60 a 90 ml/100 g de substrato (de 0,6 a 0,9 x o peso deste em água ou 77,6 a 86,7% da capacidade de retenção do substrato em água, respectivamente resultaram na maior porcentagem de emergência das plântulas. O umedecimento com 90 ml água/100 g de vermiculita resultou em maior velocidade de emergência e vigor de plântulas (comprimento, diâmetro e massa.The rapid and uniform germination of seeds, followed by prompt emergency are highly desirable characteristics for seedlings formation. This research aimed to determine the effect of different level of vermiculite substrate wetting on the emergency percentage and vigor of peach palm seedlings. The wetting of vermiculite with water in quantities from 60 to 90 ml/100 g of substrate (from 0.6 to 0.9 x the weight of water or 77.6 to 86.7% of the retention capacity of the substrate in water, respectively had shown higher emergence percentage of seedlings. The wetting with 90 ml water /100 g of vermiculite resulted in the higher speed of emergency and vigor of seedlings (length, diameter and mass.

Niveles intelectuales y ansiedad en niños con intoxicación plúmbica crónica: Colegio "María Reiche". Callao-Perú, 2002

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Julián Vega

2005-06-01

Full Text Available Objetivo: Determinar la asociación entre intoxicación plúmbica crónica y niveles intelectuales, y la asociación entre intoxicación plúmbica crónica y ansiedad, en niños del colegio "María Reiche"-Callao. Materiales y Métodos: Se realizó un estudio observacional transversal en 39 niños que participaron en el dosaje de plomo en sangre hecho por la Dirección General de Salud Ambiental en el año 2002. Se midió el coeficiente intelectual y determinó el nivel intelectual, y se aplicó la lista de chequeo de ansiedad. Se categorizó a los niños, según sus niveles de plomo en sangre, en no intoxicados (niveles o = 10 myg/dL. Se aplicó las pruebas chi-cuadrado y prueba t con un p <0,05. Resultados: El coeficiente intelectual de los niños intoxicados fue 85,51±12,56, los niveles de plomo fueron 26,54±9,42 myg/dL en los niños con nivel intelectual bajo (fronterizo e inferior. Los niveles intelectuales y las categorías de plomo en sangre se asociaron con un p=0,355. Los grados de ansiedad y las categorías de plomo en sangre se asociaron con un p=0,03. La distribución t encontró diferencia de medias entre los niveles de plomo en los grupos con ansiedad leve y marcada (p=0,024. Conclusiones: Se encontró asociación entre la intoxicación plúmbica crónica y el grado de ansiedad; sin embargo, no se encontró asociación entre los niveles intelectuales y la intoxicación plúmbica crónica.

Naudas plūsmas pārskata izmantošana uzņēmumu finansiālā stāvokļa novērtēšanā

OpenAIRE

Šteinberga, Džeina

2016-01-01

Katra uzņēmuma veiksmīgas darbības pamatā ir rūpīga tā uzraudzība, kas balstās uz precīzas informācijas bāzes. Lai pierādītu naudas plūsmas nozīmību uzņēmumu finansiālā stāvokļa novērtēšanā, tika nosprausts mērķis: izmantojot piecpadsmit Latvijas Republikā likvidētu un stabilu uzņēmumu finanšu pārskatu datus, izvērtēt naudas plūsmas pārskata nozīmīgumu un izstrādāt priekšlikumus uzņēmumu darbības efektivitātes paaugstināšanai, izmantojot naudas plūsmas pārskata sniegto informāciju. Darba gait...

Reação de cultivares de algodoeiro a Rhizoctonia solani na fase de plântula e benefícios do tratamento de sementes com fungicidas

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Augusto César Pereira Goulart

Full Text Available RESUMO O objetivo desse trabalho foi avaliar a reação de onze genótipos de algodoeiro ao fungo Rhizoctonia solani AG-4, na fase de plântula, com potencial de uso em futuros programas de melhoramento bem como os benefícios do tratamento de sementes com fungicidas para cada cultivar em estudo. O experimento foi conduzido por dois anos nas casas de vegetação da Embrapa Agropecuária Oeste, em Dourados, MS. Sementes de cada cultivar, não tratadas e tratadas com a mistura fungicida tolylfluanid + pencycuron + triadimenol (30+50+50g do i.a./100kg de sementes, foram semeadas em areia contida em bandejas plásticas, dispostas em orifícios individuais, eqüidistantes e a 3cm de profundidade. A inoculação com R. solani foi feita pela distribuição homogênea do inóculo do fungo na superfície do substrato (2,5g do inóculo do fungo/bandeja plástica com dimensões de 56x35x10cm. O fungo foi cultivado por 35 dias em sementes de aveia preta autoclavadas e trituradas em moinho (1mm. As avaliações foram realizadas com base no desenvolvimento de sintomas e sobrevivência das plântulas, utilizando os dados de emergência inicial e final, tombamento de pós-emergência e plântulas lesionadas pelo patógeno. Foi observado efeito significativo da interação cultivares x tratamento com fungicidas (P<0,05. Ficou claramente demonstrada a importância do tratamento das sementes de algodoeiro com fungicidas, sendo que as melhores emergências e os menores índices de doença (tombamento e plântulas lesionadas, independente da cultivar testada, foram obtidos quando as sementes foram tratadas. Em relação as cultivares avaliadas na ausência do tratamento da sementes com fungicidas, observou-se comportamento diferenciado de alguns genótipos com relação ao ataque do fungo R. solani, merecendo destaque BRS Aroeira, seguidas de BRS Cedro, BRS Ipê e FMT 701, demonstrando uma maior tolerância destas cultivares ao ataque de R. solani em comparação �

Efecto de diferentes sustratos en la calidad de plántulas de berenjena (Solanum melongena L.)

OpenAIRE

ARAMÉNDIZ-TATIS, HERMES; CARDONA-AYALA, CARLOS; CORREA-ÁLVAREZ, ENDER

2013-01-01

La berenjena es una hortaliza con alta demanda en el departamento de Córdoba (Colombia), donde tiene importancia social y económica. El sistema actual de producción presenta algunos limitantes tecnológicos, uno de ellos es la producción de plántulas, y la de calidad de los sustratos. Con el fin de evaluar los sustratos disponibles de la región, se realizó un diseño completamente al azar con siete tratamientos, correspondientes a mezclas de sustratos (T1 = 50% aluvión + 50% casacarilla de arro...

Emergência e crescimento inicial de plântulas de albízia submetidas à irrigação com água salina

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Mayky F. P. de Lima

2015-02-01

Full Text Available Objetivou-se, com este trabalho, avaliar o efeito de diferentes concentrações de sais na água de irrigação sob a emergência e o crescimento inicial de plântulas de albízia (Albizia lebbeck (L. Benth.. O experimento foi desenvolvido em casa de vegetação do departamento de Ciências Vegetais da Universidade Federal Rural do Semiárido, Mossoró, RN, usando-se o delineamento inteiramente casualizado, com seis tratamentos e quatro repetições, com 24 sementes em cada parcela. Os tratamentos foram constituídos das concentrações salinas 0,68 (água de abastecimento; 1,5; 3,0; 4,5; 6,0 e 7,5 dS m-1, obtidas através da adição de NaCl em água. As variáveis avaliadas foram: porcentagem de emergência de plântulas, índice de velocidade de emergência, comprimento da parte aérea, comprimento de raiz, número de folíolos, condutividade elétrica acumulada do substrato, índice de conteúdo de clorofila, massa seca da raiz, do caule, das folhas e total. O aumento da salinidade na água de irrigação interfere negativamente na emergência e no crescimento inicial de plântulas de albízia, sendo recomendado água com concentração salina até 1,5 dS m-1, caracterizando esta espécie como glicófita, sensível à salinidade.

Plántulas de tomate (Solanum lycopersicum L. provenientes de semillas embebidas en diferentes soluciones de giberelinas (GA₃

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Balaguera-López Helber Enrique

2009-04-01

Full Text Available

La obtención de plántulas de tomate vigorosas y en menor tiempo para el trasplante se ha convertido en un factor clave a la hora de iniciar la producción. Con el fin de disminuir el efecto postrasplante e impulsar el desarrollo vegetativo de las plántulas, se sometieron semillas del híbrido larga vida Daniela a imbibición (6, 12, 18, 24, 30 y 36 horas en tres concentraciones de ácido giberélico (300, 600 y 900 mg L^-1 y se sembraron en bandejas. Se utilizó un diseño completamente aleatorizado, 18 tratamientos más un testigo con cuatro repeticiones durante cuatro semanas, primera fase. Luego en segunda fase, se trasplantaron cuatro plantas al azar por tratamiento en bolsas de polietileno, y cuatro semanas después se evaluaron. El tratamiento de 36 horas de imbibición y 300 mg L^-1 de GA₃ mostró diferencias estadísticas en la primera fase para el área foliar, masa fresca de hojas, tallo y raíces y longitud de raíces, y en la segunda fase en la masa seca de hojas, tallo y raíz y en el área foliar. Semillas de tomate embebidas en 300 mg L^-1 de GA₃ generan plántulas con mayor vigor.

Contacto normal entre un medio elasto-plástico continuo y una esfera rígida : observaciones experimentales y computacionales

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Ángela María Pedraza

2005-01-01

Full Text Available Se presenta en este trabajo una investigación experimental y numérica del contacto normal de una esfera rígida con una placa plana de material cuyo comportamiento mecánico se asume de tipo elasto-plástico. Los esfuerzos locales bajo el punto de contacto se han obtenido experimentalmente mediante visualización foto-elástica. Se ha evaluado numéricamente la evolución de los bulbos de esfuerzo bajo el punto contacto como función del tiempo y se ha efectuado la comparación con las observaciones experimentales. Los resultados indican que un modelo elasto-plástico tridimensional reproduce de manera apropiada las características principales observadas en los experimentos físicos. Este ejercicio puramente académico y de carácter didáctico enfatiza en el enorme potencial de los elementos finitos en la solución de problemas de deformación bajo diferentes tipos de modelos constitutivos y pone de manifiesto la enorme utilidad del modelamiento matemático y computacional basado en aproximaciones continuas de la materia

“Por cristo luto; por cristo vos conclamo”. Plínio Salgado e o catolicismo no Brasil: um casamento perfeito? = "Mourning in christ; christ in you I call". Plínio Salgado and Catholicism in Brazil: a perfect marriage?

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Oliveira, Alexandre Luís de

2016-01-01

Full Text Available O presente trabalho tem por objetivo demonstrar o quanto à separação do Estado com a religião, processo conhecido como secularização, enfrentou resistência por parte de lideranças políticas da década de 1930, em especial o Chefe Nacional da Ação Integralista Brasileira (AIB, Plínio Salgado. Suas posições se pautavam na resistência a um processo que havia se iniciado já no fim do século XIX, com a Proclamação da República e a não mais associação entre Estado brasileiro e Igreja Católica Romana. Sua atuação foi marcadamente influenciada por uma religiosidade aflorada, e em seus textos ficou evidente a tentativa de manter o Estado atrelado ao catolicismo. Juntamente a esses fatos, demonstramos o quanto as relações das lideranças católicas e Plínio Salgado foram repletas de movimentos de aproximação e distanciamento, principalmente devido à desconfiança dessas em relação ao futuro político do Brasil. Nosso esforço é no sentido de compreender o quanto esse processo de secularização não foi pacífico e muito menos aceito por toda a sociedade da época

Plástica da valva mitral em portadores de febre reumática

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Pablo M. A. Pomerantzeff

1998-07-01

Full Text Available Objetivo: Analisar os resultados tardios da plástica da valva mitral em pacientes reumáticos. Casuística e Métodos: Durante o período de março de 1980 a dezembro de 1997, 201 pacientes portadores de insuficiência mitral secundária a febre reumática foram submetidos à plástica da valva mitral, no Instituto do Coração do HCFMUSP. A idade média foi de 26,9 ± 15,4 anos e 59,7% dos pacientes eram do sexo feminino. Outros diagnósticos estavam presentes em 67,7% dos pacientes, sendo o mais freqüente a insuficiência tricúspide (31,3%. As técnicas de plástica da valva mitral foram: anel de Carpentier em 75 (37,3%, anuloplastia com tira posterior de pericárdio bovino em 68 (33,8%, anuloplastia posterior segmentar em 16 (7,9%, ressecção quadrangular da cúspide posterior com plicatura do anel correspondente em 11 (5,5%, ressecção de segmento da cúspide anterior em 6 (3%, anuloplastia tipo De Vega em 6 (3%, Kay em 5 (2,5%, Reed em 4 (2% e outras em 10 pacientes. Técnicas associadas de plástica foram empregadas em 94 (46,8% pacientes, sendo a mais freqüente o encurtamento de cordas (48 pacientes - 23,9%. Cirurgias associadas foram realizadas em 113 pacientes (56,2%. As curvas actuariais de Kaplan-Meier foram comparadas através de análise de regressão linear. Resultados: A mortalidade hospitalar foi de 4 (2,0% pacientes, e as causas de mortalidade foram a falência de múltiplos órgãos em 2 (50% pacientes e o baixo débito cardíaco em 2 (50%. No pós-operatório tardio, 83,9% dos pacientes se encontravam em classe funcional I (NYHA. A sobrevida actuarial foi de 93,9 ± 1,9% em 125 meses. Vinte e três pacientes foram reoperados no pós-operatório tardio, com um intervalo médio de 35,7 meses. A sobrevida livre de reoperação foi 43,3 ± 13,7% em 125 meses. Analisando-se separadamente os pacientes segundo a faixa etária, no grupo menor de 16 anos (Grupo 1 a sobrevida actuarial foi de 91,3 ± 3,8%, contra uma sobrevida de

Small Business Innovation Research : Program Solicitation (Closing Date : May 1, 1989)

Science.gov (United States)

1989-01-01

This solicitation for research proposals is issued by the Department of Transportation (DOT) pursuant to the Small Business Innovation Development Act of 1982, P.L. 97-219, as amended by P.L. 99-443. The law seeks to encourage the initiative of the p...

Small Business Innovation Research - Program Solicitation (Closing Date : May 2, 1988)

Science.gov (United States)

1988-01-01

This solicitation for research proposals is issued by the Department of Transportation (DOT) pursuant to the Small Business Innovation Development Act of 1982, P.L. 97-219, as amended by P.L. 99-443. The law seeks to encourage the initiative of the p...

Small Business Innovation Research - Program Solicitation (Closing Date : May 16, 1983)

Science.gov (United States)

1983-01-01

This solicitation for research proposals is issued by the Department of Transportation (DOT) pursuant to the Small Business Innovation Development Act of 1982, P.L. 97-219, as amended by P.L. 99-443. The law seeks to encourage the initiative of the p...

Small Business Innovation Research : Program Solicitation (Closing Date : May 3, 1993)

Science.gov (United States)

1993-01-01

This solicitation for research proposals is issued by the Department of Transportation (DOT) pursuant to the Small Business Innovation Development Act of 1982, P.L. 97-219, as amended by P.L. 99-443. The law seeks to encourage the initiative of the p...

Small Business Innovation Research - Program Solicitation (Closing Date : May 1, 1991)

Science.gov (United States)

1991-01-01

This solicitation for research proposals is issued by the Department of Transportation (DOT) pursuant to the Small Business Innovation Development Act of 1982, P.L. 97-219, as amended by P.L. 99-443. The law seeks to encourage the initiative of the p...

Small Business Innovation Research : Program Solicitation (Closing Date : May 2, 1995)

Science.gov (United States)

1995-01-01

This solicitation for research proposals is issued by the Department of Transportation (DOT) pursuant to the Small Business Innovation Development Act of 1982, P.L. 97-219, as amended by P.L. 99-443. The law seeks to encourage the initiative of the p...

Small Business Innovation Research : Program Solicitation (Closing Date : May 1, 1990)

Science.gov (United States)

1990-01-01

This solicitation for research proposals is issued by the Department of Transportation (DOT) pursuant to the Small Business Innovation Development Act of 1982, P.L. 97-219, as amended by P.L. 99-443. The law seeks to encourage the initiative of the p...

Plásticos armados o con carga mineral en Construcción y Obras Públicas

Directory of Open Access Journals (Sweden)

Vie, G.

1980-04-01

Full Text Available This article analyses the most commonly used reinforced plastics in Construction and Civil Engineering works, where the reinforcing material is glass fiber. The basic material is a solid or liquid, thermoplastic or thermosetting synthetic resin. The applications of these materials include: glasspolyester translucent panel for solar panels; glass-reinforced aminoplastic resin used in gallery excavation to support vaults and checks; plastified vinyl-chloride with hard aggregate embedded used for non-split roadbeds; gel-coating to protect concrete against cold weather; polystyrene and polyurethane sandwich panels used in freezing industry, etc. Besides reinforced plastics, attention is given to recycled glass obtained to a large extent from home refuse.

En este artículo se hace un análisis de los plásticos armados más utilizados en la Construcción y Obras Públicas, que son aquellos en los que el material de refuerzo es la fibra de vidrio. El elemento principal es una resina sintética, sólida o líquida, termoplástica o termoendurecida. Entre los usos de estos productos destacan: las placas translúcidas de vidrio-poliéster para paneles solares; la resina aminoplasta armada de vidrio para el sostenimiento de hastiales y bóvedas en las excavaciones subterráneas; el cloruro de polivinilo plastificado con incrustaciones de áridos duros para firmes antideslizantes; el revestimiento «gel-coat> para protección contra el frío de los hormigones; los paneles de poliestireno y poliuretano, tipo «sandwich», utilizados en la industria del frío; etcétera. Además de los plásticos armados se estudia el vidrio de recuperación obtenido, en gran parte, de los residuos urbanos aprovechables.

Solarização do solo com filmes plásticos com e sem aditivo estabilizador de luz ultravioleta Soil solarization with plastic films with and without UV light stabilizers

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Benedito C. Barros

2004-06-01

Full Text Available Visando auxiliar na escolha de filmes plásticos adequados para a solarização, dois experimentos foram instalados em Mogi das Cruzes e Piracicaba (SP, em janeiro e fevereiro de 2000. Três tipos de filmes plásticos transparentes de polietileno de baixa densidade (PEBD, com 100 mm de espessura, produzidos pela empresa Nortène Plásticos Ltda., foram testados: a FES, filme estufa super tricarpa super aditivado, com aditivo estabilizador de luz ultravioleta (baseado em aminas estericamente impedidas; b FSOL, filme para solarização produzido com metade da quantidade do mesmo aditivo e c LT, lona plástica transparente, sem aditivo, além de uma testemunha sem cobertura plástica, em delineamento de blocos casualizados, com quatro repetições. Após a retirada dos plásticos foi conduzida uma safra de alface em ambos os locais. Foi realizada análise química dos solos e das plantas colhidas, além de avaliada a infestação por plantas daninhas e a massa fresca das plantas colhidas. Em Piracicaba também foram realizadas análises microbiológicas dos solos e determinada a viabilidade de Pythium aphanidermattum. Em Mogi das Cruzes foi avaliada a incidência de podridão de esclerotínia, causada por Sclerotinia minor. As temperaturas médias registradas, a 10 cm de profundidade, nos solos sob os diferentes filmes plásticos foram semelhantes, de 44-41ºC nos solos solarizados e de 33,9-30,2ºC nos solos não solarizados de Piracicaba e Mogi das Cruzes, respectivamente. Detectou-se aumento na massa fresca das plantas colhidas nas parcelas solarizadas, de 49% em Piracicaba e 24% em Mogi das Cruzes, independente do plástico testado. Nos dois locais também houve drástica redução na infestação por plantas daninhas nas áreas solarizadas. Nas análises microbianas não foram verificadas alterações na liberação de CO2, no carbono da biomassa microbiana, no quociente metabólico e no número total de bactérias. O número de fungos foi

Request for interim approval to operate Trench 94 of the 218-E-12B Burial Ground as a chemical waste landfill for disposal of polychlorinated biphenyl waste in submarine reactor compartments. Revision 2

Energy Technology Data Exchange (ETDEWEB)

Cummins, G.D.

1994-06-01

This request is submitted to seek interim approval to operate a Toxic Substances Control Act (TSCA) of 1976 chemical waste landfill for the disposal of polychlorinated biphenyl (PCB) waste. Operation of a chemical waste landfill for disposal of PCB waste is subject to the TSCA regulations of 40 CFR 761. Interim approval is requested for a period not to exceed 5 years from the date of approval. This request covers only the disposal of small 10 quantities of solid PCB waste contained in decommissioned, defueled submarine reactor compartments (SRC). In addition, the request applies only to disposal 12 of this waste in Trench 94 of the 218-E-12B Burial Ground (Trench 94) in the 13 200 East Area of the US Department of Energy`s (DOE) Hanford Facility. Disposal of this waste will be conducted in accordance with the Compliance 15 Agreement (Appendix H) between the DOE Richland Operations Office (DOE-RL) and 16 the US Environmental Protection Agency (EPA), Region 10. During the 5-year interim approval period, the DOE-RL will submit an application seeking final 18 approval for operation of Trench 94 as a chemical waste landfill, including 19 any necessary waivers, and also will seek a final dangerous waste permit from 20 the Washington State Department of Ecology (Ecology) for disposal of lead 21 shielding contained in the SRCS.

Request for interim approval to operate Trench 94 of the 218-E-12B Burial Ground as a chemical waste landfill for disposal of polychlorinated biphenyl waste in submarine reactor compartments

International Nuclear Information System (INIS)

Cummins, G.D.

1994-06-01

This request is submitted to seek interim approval to operate a Toxic Substances Control Act (TSCA) of 1976 chemical waste landfill for the disposal of polychlorinated biphenyl (PCB) waste. Operation of a chemical waste landfill for disposal of PCB waste is subject to the TSCA regulations of 40 CFR 761. Interim approval is requested for a period not to exceed 5 years from the date of approval. This request covers only the disposal of small 10 quantities of solid PCB waste contained in decommissioned, defueled submarine reactor compartments (SRC). In addition, the request applies only to disposal 12 of this waste in Trench 94 of the 218-E-12B Burial Ground (Trench 94) in the 13 200 East Area of the US Department of Energy's (DOE) Hanford Facility. Disposal of this waste will be conducted in accordance with the Compliance 15 Agreement (Appendix H) between the DOE Richland Operations Office (DOE-RL) and 16 the US Environmental Protection Agency (EPA), Region 10. During the 5-year interim approval period, the DOE-RL will submit an application seeking final 18 approval for operation of Trench 94 as a chemical waste landfill, including 19 any necessary waivers, and also will seek a final dangerous waste permit from 20 the Washington State Department of Ecology (Ecology) for disposal of lead 21 shielding contained in the SRCS

Germinación de semillas y clave para la identificación de plántulas de seis especies arbóreas nativas de humedales del sureste de México

Directory of Open Access Journals (Sweden)

Luis Felipe Zamora-Cornelio

2010-06-01

Full Text Available Especies arbóreas de humedales son de importancia económica y para fines de restauración. Nosotros describimos el proceso de germinación y morfología de plántulas de seis especies arbóreas nativas típicas del sureste de México: Annona glabra, Ceiba pentandra, Pachira aquatica, Haematoxylum campechianum, Coccoloba barbadensis y Crataeva tapia. Un total de 300 semillas por especie fueron sembradas en una mezcla de arena, cascarilla de cacao y tierra negra (1: 1: 1, y mantenidas en invernadero a 30% de sombra artificial, de febrero a noviembre de 2007. Se realizó la caracterización morfológica, y elaboró una clave de plántulas con base en: 1 tipo de germinación 2 eje de la plántula y 3 elementos foliares. P. aquatica presenta germinación criptocotilar hipogea, las otras tienen germinación fanerocotilar epigea. Las tasas de germinación fueron altas (>86%, a excepción de C. barbadensis (69%.

Contribuição das folhas cotiledonares para o crescimento e estabelecimento de plântulas de cucurbitáceas Cotyledonary leaf contribution for growth and establishment of cucurbit seedlings

Directory of Open Access Journals (Sweden)

Dilson Antônio Bisognin

2004-06-01

Full Text Available As cucurbitáceas apresentam germinação epigeal, cujos cotilédones têm a dupla função de fornecer substâncias de reserva e fotoassimilados para o crescimento e o estabelecimento da plântula. O objetivo deste trabalho foi quantificar o nível de dependência de plântulas de abóbora híbrida (Cucurbita maxima x C. moschata, melancia (Citrullus lanatus, pepino (Cucumis sativus e porongo (Lagenaria siceraria em relação às folhas cotiledonares para o crescimento e estabelecimento inicial. Foi efetuada a remoção de um ou dois cotilédones aos 3; 6; 9 e 12 dias após a emergência (DAE, comparando-se o crescimento das plântulas com o de plântulas controle (sem remoção. O crescimento inicial foi avaliado a cada três dias, da emergência até 21 DAE, determinando-se a taxa de expansão das folhas cotiledonares, o período de tempo até a equivalência entre área foliar e cotiledonar e a produção de matéria seca. A abóbora apresentou a maior taxa de expansão das folhas cotiledonares, o menor período até a emissão e expansão das folhas verdadeiras e a maior produção de matéria seca. As plântulas de abóbora e pepino apresentaram a maior dependência em relação às folhas cotiledonares. Os resultados obtidos mostram que danos às folhas cotiledonares, dependendo da espécie, da intensidade e da idade da plântula, podem afetar drasticamente o crescimento inicial e o estabelecimento das plântulas, com reflexos evidentes no rendimento de frutos em cucurbitáceas.Cucurbit species have epigeal cotyledons adapted for both storage and photoassimilation functions. Seedling dependence on cotyledonary leaves for initial growth and establishment was quantified for hybrid squash (Cucurbita maxima x C. moschata, watermelon (Citrullus lanatus, cucumber (Cucumis sativus, and bottlegourd (Lagenaria siceraria. One or both cotyledons were excised at 3; 6; 9; and 12 days after emergence (DAE and initial growth was compared to control

Estimation and Extrapolation of Tree Parameters Using Spectral Correlation between UAV and Pléiades Data

Directory of Open Access Journals (Sweden)

Azadeh Abdollahnejad

2018-02-01

Full Text Available The latest technological advances in space-borne imagery have significantly enhanced the acquisition of high-quality data. With the availability of very high-resolution satellites, such as Pléiades, it is now possible to estimate tree parameters at the individual level with high fidelity. Despite innovative advantages on high-precision satellites, data acquisition is not yet available to the public at a reasonable cost. Unmanned aerial vehicles (UAVs have the practical advantage of data acquisition at a higher spatial resolution than that of satellites. This study is divided into two main parts: (1 we describe the estimation of basic tree attributes, such as tree height, crown diameter, diameter at breast height (DBH, and stem volume derived from UAV data based on structure from motion (SfM algorithms; and (2 we consider the extrapolation of the UAV data to a larger area, using correlation between satellite and UAV observations as an economically viable approach. Results have shown that UAVs can be used to predict tree characteristics with high accuracy (i.e., crown projection, stem volume, cross-sectional area (CSA, and height. We observed a significant relation between extracted data from UAV and ground data with R2 = 0.71 for stem volume, R2 = 0.87 for height, and R2 = 0.60 for CSA. In addition, our results showed a high linear relation between spectral data from the UAV and the satellite (R2 = 0.94. Overall, the accuracy of the results between UAV and Pléiades was reasonable and showed that the used methods are feasible for extrapolation of extracted data from UAV to larger areas.

Métodos para acelerar e uniformizar a emergência de plântulas de Schizolobium amazonicum

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Eleandro Candido Dapont

Full Text Available A dormência intensa verificada em sementes de Schizolobium amazonicum dificulta o processo de formação de mudas. O objetivo deste trabalho foi testar procedimentos para acelerar e uniformizar a emergência de plântulas de paricá. Foram utilizadas sementes coletadas de diversas matrizes na Floresta Estadual do Antimary, Acre. Os tratamentos constaram de sementes intactas (testemunha, escarificação com ácido sulfúrico concentrado (imersão por 5; 10; 15; 20; 25; 30; 35; 40; 45 e 50 min, imersão em água aquecida (60 ºC, 80 ºC e 100 ºC, escarificação da porção basal da semente com lixa, escarificação com punção por meio de perfurações na maior porção lateral do tegumento, e escarificação com esmeril elétrico na lateral do tegumento. Os efeitos dos tratamentos foram avaliados por meio da emergência de plântulas (EP e do índice de velocidade de emergência (IVE em seis momentos de observação, além da frequencia relativa e do tempo médio de emergência nos melhores resultados. O delineamento estatístico foi o inteiramente casualizado com quatro repetições em esquema fatorial para a EP e em arranjo simples para o IVE. A máxima EP em menor tempo pode ser conseguida com uso do punção, imersão em água fervente (100 ºC e do esmeril elétrico.

Genotyping-by-sequencing targeting of a novel downy mildew resistance gene Pl 20 from wild Helianthus argophyllus for sunflower (Helianthus annuus L.).

Science.gov (United States)

Ma, G J; Markell, S G; Song, Q J; Qi, L L

2017-07-01

Genotyping-by-sequencing revealed a new downy mildew resistance gene, Pl 20 , from wild Helianthus argophyllus located on linkage group 8 of the sunflower genome and closely linked to SNP markers that facilitate the marker-assisted selection of resistance genes. Downy mildew (DM), caused by Plasmopara halstedii, is one of the most devastating and yield-limiting diseases of sunflower. Downy mildew resistance identified in wild Helianthus argophyllus accession PI 494578 was determined to be effective against the predominant and virulent races of P. halstedii occurring in the United States. The evaluation of 114 BC 1 F 2:3 families derived from the cross between HA 89 and PI 494578 against P. halstedii race 734 revealed that single dominant gene controls downy mildew resistance in the population. Genotyping-by-sequencing analysis conducted in the BC 1 F 2 population indicated that the DM resistance gene derived from wild H. argophyllus PI 494578 is located on the upper end of the linkage group (LG) 8 of the sunflower genome, as was determined single nucleotide polymorphism (SNP) markers associated with DM resistance. Analysis of 11 additional SNP markers previously mapped to this region revealed that the resistance gene, named Pl 20 , co-segregated with four markers, SFW02745, SFW09076, S8_11272025, and S8_11272046, and is flanked by SFW04358 and S8_100385559 at an interval of 1.8 cM. The newly discovered P. halstedii resistance gene has been introgressed from wild species into cultivated sunflower to provide a novel gene with DM resistance. The homozygous resistant individuals were selected from BC 2 F 2 progenies with the use of markers linked to the Pl 20 gene, and these lines should benefit the sunflower community for Helianthus improvement.

Reciclagem de embalagens plásticas flexíveis: contribuição da identificação correta Flexible plastic packaging recycling: the contribution of the correct identification

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Leda Coltro

2013-01-01

Full Text Available As embalagens têm rotatividade alta, pois acabam se transformando em resíduo sólido urbano após o consumo do produto de interesse. Por este motivo é importante que as embalagens apresentem o símbolo de identificação do material, a fim de facilitar a cadeia de reciclagem. Muitos produtos de materiais plásticos apresentam código de identificação da resina (normalmente um número de 1 a 7 dentro de um triângulo de três setas e sob o mesmo uma abreviatura, cujo objetivo é indicar o tipo de plástico do qual o produto é feito e auxiliar sua separação e posterior reciclagem e revalorização. Ou seja, tenta-se facilitar a recuperação dos materiais plásticos descartados com o resíduo sólido urbano. O objetivo deste estudo foi efetuar um levantamento de dados sobre os símbolos de identificação de materiais em embalagens plásticas flexíveis, para avaliar se o mercado está adotando a identificação corretamente ou se ainda existe falta de informação. Foi avaliado um total de 509 embalagens plásticas flexíveis para acondicionar produtos alimentícios e não alimentícios disponíveis no mercado brasileiro. Apesar de a norma brasileira ABNT NBR 13230 já estar em sua segunda revisão, ainda existe muita heterogeneidade na identificação das embalagens plásticas. Somente cerca de 50% das embalagens avaliadas apresentaram o símbolo de identificação da resina. Além disso, em alguns casos cerca de 30% das embalagens apresentaram a identificação do material de forma incorreta. Portanto, ainda existe informação errônea no mercado brasileiro sobre o tipo de material da embalagem plástica (incluindo ausência do símbolo de identificação, bem como falta de informação sobre o símbolo correto de identificação da resina. Ambos os fatores prejudicam a cadeia de reciclagem do plástico. Assim, a fim de facilitar a separação e reciclagem de embalagens plásticas flexíveis que contêm materiais distintos, por exemplo

PENGARUH SELF REGULATED LEARNING LINGKUNGAN KELUARGA, DAN DISIPLIN BELAJAR TERHADAP HASIL BELAJAR MATA PELAJARAN PENGANTAR AKUNTANSI KELAS X AKUNTANSI SMK PL TARCISIUS SEMARANG TAHUN AJARAN 2014/2015

Directory of Open Access Journals (Sweden)

Hendra Anto Permana

2015-11-01

Full Text Available Hasil belajar pengantar akuntansi dipengaruhi oleh berbagai faktor baik faktor internal maupun faktor eksternal. Permasalahan yang dikaji dalam penelitian ini adalah pengaruh self regulated learning, lingkungan keluarga, dan disiplin belajar terhadap hasil belajar siswa pada mata pelajaran pengantar akuntansi kelas X Akuntansi SMK PL Tarcisius Semarang secara simultan maupun parsial. Tujuan dalam penelitian ini adalah untuk mendeskripsikan pengaruh self regulated learning, lingkungan keluarga, dan disiplin belajar terhadap hasil belajar siswa pada mata pelajaran pengantar akuntansi kelas X akuntansi SMK PL tarcisius semarang secara simultan maupun parsial. Populasi penelitian ini adalah siswa kelas X Akuntansi SMK PL Tarcisius Semarang sebanyak 148 siswa, dan sampel sebanyak 108 siswa yang dilihat dari rumus Slovin dan teknik pengambilan sampel dengan proportional random sampling. Variabel dalam penelitian ini meliputi variabel terikat yaitu hasil belajar pengantar akuntansi (Y, variabel bebas yaitu lingkungan sekolah (X1, lingkungan keluarga (X2 dan disipin belajar (X3. Pengumpulan data dengan metode dokumentasi dan angket. Pengolahan data dengan analisis deskriptif dan analisis statistik inferensial. Secara simultan ada pengaruh positif dan signifikan self regulated learning, lingkungan keluarga, dan disiplin belajar terhadap hasil belajar siswa pada mata pelajaran pengantar akuntansi. Secara partial ada pengaruh positif dan signifikan self regulated learning terhadap hasil belajar pengantar akuntansi, ada pengaruh positif dan signifikan lingkungan keluarga terhadap hasil belajar pengantar akuntansi, ada pengaruh positif dan signifikan disiplin belajar terhadap hasil belajar pengantar akuntansi. Introduction of learning outcomes accounting is influenced by various factors both internal factors and external factors. Issues examined in this study was the influence of self-regulated learning, family environment, and the discipline of learning to

Diseño de un sistema de extrusión-peletizado para el procesamiento de los residuos plásticos para la Empresa Municipal de la ciudad de Cuenca EMAC

OpenAIRE

Cobos Maldonado, Christian Mauricio

2011-01-01

Cuenca, siendo una de las ciudades más poblada e importantes del Ecuador, consume una gran variedad de productos plásticos y con ello generando material no aprovechable, y a medida que crese en población, crese en generación de los mismos, causando una preocupación a la institución pública encargado de su procesamiento EMAC. Por lo que en el desarrollo de este trabajo de tesis, se ha concentrado en el planteamiento de un sistema de reciclado para la recuperación del plástico desechado, en mat...

Predictive Models and Tools for Assessing Chemicals under the Toxic Substances Control Act (TSCA)

Science.gov (United States)

EPA has developed databases and predictive models to help evaluate the hazard, exposure, and risk of chemicals released to the environment and how workers, the general public, and the environment may be exposed to and affected by them.

Respuesta plástica a la luz y al agua en cuatro especies mediterráneas del género Quercus (Fagaceae Plastic response to light and water in four Mediterranean Quercus species (Fagaceae

Directory of Open Access Journals (Sweden)

JOSÉ L QUERO

2008-09-01

Full Text Available La luz y el agua son dos de los principales factores que regulan el crecimiento y la supervivencia de las plantas leñosas mediterráneas. El objetivo de este estudio es conocer el nivel de respuesta plástica de plántulas de cuatro especies de Quercus a tratamientos de sombra y sequía. Además queremos evaluar qué variables son más plásticas a uno u otro factor, y probar la hipótesis de que los rasgos fisiológicos son más plásticos que los rasgos estructurales. Se cultivaron en condiciones controladas plántulas de Quercus ilex subsp. ballota, Q. súber, Q. pyrenaica y Q. canariensis en tres tratamientos de luz (100, 27 y 3 % de luz incidente y con agua abundante. A partir de mediados de primavera, a la mitad de las plántulas se les suprimió el agua, de forma que recibieron dos tratamientos de agua (riego versus no riego dentro de cada tratamiento de luz. Se analizaron distintos rasgos fisiológicos como la tasa de fotosíntesis y respiración, el punto de compensación y de saturación a la luz, la conductancia estomática, la eficiencia en el uso del agua y de nitrógeno y la eficiencia fotosintética a la luz. También se estudiaron distintos rasgos morfológicos o estructurales, como el área foliar, el área específica foliar, las concentraciones foliares de N y C, y un índice de clorofila. En general, la respuesta plástica de las variables estructurales al factor agua fue muy baja, mientras que la respuesta de las fisiológicas fue relativamente alta. Con la luz, no se detectaron diferencias significativas en la respuesta plástica entre las variables estructurales y fisiológicas. En estas especies de Quercus mediterráneos, la mayor respuesta plástica a la luz podría estar ligada con una estrategia de tolerancia a la sombra, mientras que la baja respuesta plástica al agua (i.e., canalización respondería a una estrategia de tolerancia a la sequía, indicando que la tolerancia a bajos niveles de recursos puede ser

Pacific Northwest Electric Power Planning and Conservation Act : Legislative History of the Act to Assist the Electrical Consumers of the Pacific Northwest through use of the Federal Columbia River Power System to Achieve Cost-Effective Energy Conservation : P.L. 96-501, 94 Stat. 2697.

Energy Technology Data Exchange (ETDEWEB)

United States. Bonneville Power Administration.

1981-01-01

The Pacific Northwest Electric Power Planning and Conservation Act became effective when it was signed into law by President Carter on December 5, 1980. This ended a four-year debate over legislation designed to plan and coordinate the region's energy future. This legislative history is an abbreviated version taken from the larger historical file maintained by the BPA Law Library. It is intended to assist BPA personnel and others who are studying the Northwest Power Act and working on its implementation. The documents included were selected for their value in determining what Congress meant in enacting the statute and to provide the researcher with a starting point for further investigation. These documents include: a history of the Act, a chronology of the legislative action leading to passage of the law; a section-by-section analysis of the Act; the Congressional Records of Senate and House debates on the bill and its amendments, and a list of Congressional committee hearings.

Tres décadas de creatividad femenina en las artes plásticas de Nicaragua y sus logros estéticos

Directory of Open Access Journals (Sweden)

Gloria Escobar Soriano

2001-02-01

Full Text Available En el panorama de las artes plásticas siempre ha estado presente, y en forma beligerante, la actividad femenina. El siglo XX será recordado como el momento en que las mujeres consiguieron con sus luchas recuperar sus espacios usurpados por el monopolio masculino. Las mujeres han logrado emanciparse en el campo cultural y económico, sobre todo en los países desarrollados. Este ensayo pretende abordar la participación de la mujer nicaragüense en las artes plásticas y demostrar su papel fundamental en la creación artística. Se ha seleccionado a tres artistas contemporáneas: Ilse Ortiz, María Gallo y Patricia Bel li, con algunas de sus obras representativas, las cuales reflejan su gran contenido estético y portadoras de significado, pero con diferencias estilísticas muy particulares, en el uso de técnicas, materiales y la visión temática. Las artistas con sus metáforas visuales tratan de encontrar una conciliación más fraterna e igualitaria entre mujeres y hombres.

Administração e Cortes de Justiças durante o Principado Romano: uma análise do Cursus Honorum de Plínio, o jovem * Administration And Courts Of Justice during the Roman Principate: an analysis of Pliny The Younger’s Cursus Honorum

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DOMINIQUE MONGE RODRIGUES DE SOUZA

2014-01-01

Full Text Available Resumo: O presente artigo visa refletir acerca das funções jurídicas atreladas ao desempenho das magistraturas que compunham o cursus honorum senatorial durante o período do Principado romano. Objetivamos com tal análise compreender o entrelaçamento entre a administração do Império e a aplicação da justiça. Para tanto, interpretaremos os vestígios existentes na documentação de autoria de Plínio, o Jovem, acerca das magistraturas que compunham o cursus honorum e que atuavam na aplicação das leis em cortes de justiças.Palavras-chave: Principado – Direito Romano – Cortes de justiça – cursus honorum – Plínio, o Jovem. Abstract: This paper aims to reflect on the legal functions associated with the practice of magistratures that composed the senatorial cursus honorum during the Roman Principate. Our objective with this analysis is to understand the interlacement between the Empire administration and the application of the law. For the purpose of this paper we shall interpret vestiges that we could observe in Pliny the Younger’s documentation about magistratures that composed the cursus honorum and which acted in the application of law in courts of justice.Keywords: Principate – Roman law – Courts of justice – cursus honorum – Pliny the Younger.

Emergência de plântulas de Zizyphus joazeiro Mart (Rhamnaceae) em função de substratos

OpenAIRE

Braga Júnior,Joel Martins; Bruno,Riselane de Lucena Alcântara; Alves,Edna Ursulino

2010-01-01

O juazeiro é uma planta muito importante para a região semiárida do Nordeste, mantendo-se sempre verde e constituindo fonte de alimentos para os animais na época de escassez de chuvas. Devido ao fato de a espécie se propagar principalmente por unidades de dispersão (endocarpo + semente), este estudo teve como finalidade avaliar diferentes tipos de substratos para emergência de plântulas de juazeiro. O experimento foi conduzido em casa de vegetação, no Centro de Ciências Agrárias da Universida...

Efecto del déficit de agua en el trasplante de plántulas de tomate (Solanum lycopersicum L.

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Balaguera Helber Enrique

2008-08-01

Full Text Available

La inducción de la mayor cantidad de raíces en plántulas de tomate es fundamental en la etapa postrasplante, ya que de éstas depende la adecuada absorción de agua y nutrientes para su posterior desarrollo. El estrés hídrico puede generar un crecimiento radicular, ya que la raíz debe buscar agua. Con el fin de lograr este crecimiento, se sometieron plántulas de tomate a un déficit hídrico. El diseño fue completamente al azar con 10 tratamientos y 5 repeticiones; los tratamientos consistieron en la aplicación de 10 láminas de riego (0,2; 0,4; 0,6; 0,8; 1,0; 1,2; 1,4; 1,6; 1,8 y 2,0 de la evaporación medida en un tanque evaporímetro instalado dentro del invernadero durante los 5 días previos al trasplante. Se trasplantaron 40 d después de la siembra y se evaluaron un mes después. No se presentaron diferencias significativas en el peso seco de hojas, tallos y raíces. Las diferentes láminas de agua no afectaron el peso fresco de hojas y tallos, el área foliar, la distribución de fitomasa seca, la relación raíz/parte aérea ni la altura final de las plantas. Se obtuvieron diferencias significativas en la longitud y en el peso fresco de la raíz; en ambos casos el mejor tratamiento fue el coeficiente 1,6 de la evaporación. La lámina con menor respuesta fue la de 0,2. Una lámina de riego de 1,6 de la evaporación genera plántulas con sistemas radiculares adecuados.

Waste Isolation Pilot Plant Biennial Environmental Compliance Report

Energy Technology Data Exchange (ETDEWEB)

Washington Regulatory and Environmental Services

2006-10-12

This Biennial Environmental Compliance Report (BECR) documents compliance with environmental regulations at the Waste Isolation Pilot Plant (WIPP), a facility designed and authorized for the safe disposal of transuranic (TRU) radioactive waste. This BECR covers the reporting period from April 1, 2004, to March 31, 2006. As required by the WIPP Land Withdrawal Act (LWA) (Public Law [Pub. L.] 102-579, as amended by Pub. L. 104-201), the BECR documents United States (U.S.) Department of Energy (DOE) compliance with regulations and permits issued pursuant to the following: (1) Title 40 Code of Federal Regulations (CFR) Part 191, Subpart A, "Environmental Standards for Management and Storage"; (2) Clean Air Act (CAA) (42 United States Code [U.S.C.] §7401, et seq.); (3) Solid Waste Disposal Act (SWDA) (42 U.S.C. §§6901-6992, et seq.); (4) Safe Drinking Water Act (SDWA) (42 U.S.C. §§300f, et seq.); (5) Toxic Substances Control Act (TSCA) (15 U.S.C. §§2601, et seq.); (6) Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) (42 U.S.C. §§9601, et seq.); and all other federal and state of New Mexico laws pertaining to public health and safety or the environment.

Atomic Energy Commission Act, 2000 (Act 588)

International Nuclear Information System (INIS)

2000-01-01

Act 588 of the Republic of Ghana entitled, Atomic Energy Commission Act, 2000, amends and consolidates the Atomic Energy Commission Act, 204 of 1963 relating to the establishment of the Atomic Energy Commission. Act 588 makes provision for the Ghana Atomic Energy Commission to establish more institutes for the purpose of research in furtherance of its functions and also promote the commercialization of its research and development results. (E.A.A.)

Antimicrobial potential of triticale stillage after lactic acid fermentation with Lactobacillus fermentum PL-1

Directory of Open Access Journals (Sweden)

Kujundžić Žužana

2013-01-01

Full Text Available This study is concerned with the testing of antimicrobial activity of triticale stillage obtained after lactic fermentation by Lactobacillus fermentum PL-1. The antimicrobial tests were performed using the disc-diffusion and agar well diffusion methods. It was found that fermented triticale stillage after lactic acid fermentation exhibited an inhibitory effect towards tested Gram positive and Gram negative bacteria: Escherichia coli, Salmonella enteritidis, Pseudomonas aeruginosa, Bacillus cereus, Bacillus subtilis, Staphylococcus aureus, and Enterococcus faecalis. The triticale stillage without addition of CaCO3 before fermentation showed a stronger antimicrobial effect in comparison with the triticale stillage with added CaCO3. Triticale stillage after lactic acid fermentation did not show any antifungal effect on the growth of tested moulds (Alternaria alternata, Aspergillus versicolor, Penicillium brevicompactum, and Fusarium subglutinans. [Projekat Ministarstva nauke Republike Srbije, br. TR-31017

Modelo de simulação da temperatura e umidade relativa do ar no interior de estufa plástica Simulation model of air temperature and relative humidity in to plastic greenhouses

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Edilson Costa

2004-04-01

Full Text Available A simulação dos parâmetros climáticos de temperatura e umidade relativa do ar no interior de uma estufa plástica, por meio do balanço de energia, pode propiciar ao produtor uma ferramenta de auxílio na tomada de decisão. Nesse propósito, realizou-se uma simulação das condições no interior de estufa plástica, em função de parâmetros externos e internos a ela. A simulação revelou uma temperatura no interior da estufa plástica de 23,6 ºC, e os sensores revelaram um valor médio de 24,1 ºC para o período de cultivo da alface. Para a umidade relativa no interior da estufa plástica, o valor simulado foi de 61,6%, e o obtido com o auxílio de sensores foi de 66,0%. Os valores simulados apresentaram-se próximos dos valores obtidos pelos sensores, mostrando que o modelo pode ser usado para a estimativa da temperatura e umidade relativa do ar no interior da estufa plástica.Simulation of climatic parameters inside air temperature and relative humidity of plastic greenhouse, trough energy balance, allows to growers a good technical tool on the decision making to improve the performance of inside environments. A simulation of internal conditions based on external and internal parameters was evaluated. The results showed the inside mean temperature of 23.6 ºC in comparison with the experimental value of 24.1 ºC, for the cultivated period. The simulated relative humidity presented a value of 61.6% against 66.0% obtained by the sensors. The simulated values were closed to the values obtained by the sensors, which means that the model can be used to determine the internal conditions of plastic greenhouses.

Caracterização morfológica do ramo, sementes e plântulas de matayba guianensis Aubl. e produção de mudas em diferentes recipientes e substratos

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Francielli Bao

2014-02-01

Full Text Available Matayba guianensis Aubl. é uma Sapindaceae de porte arbustivo ou arbóreo de grande ocorrência no Cerrado brasileiro, com papel fundamental no fornecimento de recursos para formigas e abelhas. Apresenta rápido crescimento e é importante para recuperação de áreas degradadas, mas pouco se conhece sobre a sua produção de mudas. Diante disso, o objetivo deste estudo foi descrever a morfologia do ramo e da germinação de sementes e plântulas de Matayba guianensis Aubl. em seu desenvolvimento pós-seminal, bem como definir o tipo de substrato e recipiente adequados para emergência de plântulas e produção de mudas desta espécie. Foram avaliados três tipos de recipientes: saco de polietileno preto; tubete e bandeja de isopor, com cinco tipos de substratos: areia; terra; terra-areia-esterco (1:1:1; substrato comercial e fibra de coco, com quatro repetições de 25 sementes em cada tratamento. O ramo, fruto, semente, plântulas e seus eventos morfológicos foram descritos. O ramo é cilíndrico, com folhas paripinadas e alternas; fruto seco, deiscente e sementes com grande quantidade de arilo; a germinação é criptocotiledonar e hipógea. Sua maior porcentagem de emergência ocorreu no recipiente isopor com 91% das sementes germinadas em substrato comercial, seguida de fibra de coco (88%. O desenvolvimento da raiz e do caule foi maior em tubete e em saco plástico, utilizando-se substrato comercial ou fibra de coco.

Aplicação do processo eletrolítico no tratamento de efluentes de uma indústria de recuperação de filmes plásticos pós-consumo

OpenAIRE

Orsi, Maria do Carmo Vara Lopes [UNESP

2014-01-01

A água é componente fundamental para o processo de preparação da matéria prima para a reciclagem de plástico pós-consumo, pois participa como elemento de remoção de detritos e impurezas que contaminam a matriz da matéria-prima utilizada, principalmente quando proveniente da catação em lixões ou separados por meio das coletas seletivas, e cooperativas de reciclagem. O presente trabalho teve como objetivo testar a eletrólise como tratamento alternativo de efluentes de processos de lavagem de pl...

Peacekeeping/Stabilization and Conflict Transitions: Background and Congressional Action on the Civilian Response/Reserve Corps and Other Civilian Stabilization and Reconstruction Capabilities

National Research Council Canada - National Science Library

Serafino, Nina M

2009-01-01

.... In September 2008, Congress passed the Reconstruction and Stabilization Civilian Management Act, 2008, as Title XVI of the Duncan Hunter National Defense Authorization Act for Fiscal Year 2009 (S. 3001, P.L...

Metodología y TICS en la enseñanza de la educación plástica y visual: estudios de dos casos

OpenAIRE

Arroyo Alonso, Juan

2015-01-01

La presencia de la educación plástica y visual en la enseñanza obligatoria ha tenido diversos enfoques de acuerdo a las diferentes políticas educativas que hemos tenido en España en los últimos tiempos. La experiencia como alumnos y como profesores

Bench-scale treatability studies for simulated incinerator scrubber blowdown containing radioactive cesium and strontium

International Nuclear Information System (INIS)

Coroneos, A.C.; Taylor, P.A.; Arnold, W.D. Jr.; Bostick, D.A.; Perona, J.J.

1994-12-01

The purpose of this report is to document the results of bench-scale testing completed to remove 137 Cs and 90 Sr from the Oak Ridge K-25 Site Toxic Substances Control Act (TSCA) Incinerator blowdown at the K-25 Site Central Neutralization Facility, a wastewater treatment facility designed to remove heavy metals and uranium from various wastewaters. The report presents results of bench-scale testing using chabazite and clinoptilolite zeolites to remove cesium and strontium; using potassium cobalt ferrocyanide (KCCF) to remove cesium; and using strontium chloride coprecipitation, sodium phosphate coprecipitation, and calcium sulfate coprecipitation to remove strontium. Low-range, average-range, and high-range concentration blowdown surrogates were used to complete the bench-scale testing

Insulina e glicose como moduladores do desenvolvimento de plântulas de milho doce (Su1)

OpenAIRE

Oliveira Júnior, Luiz Fernando Ganassali; Bressan-Smith, Ricardo; Oliveira, Antônia Elenir Amâncio de; Pereira, Messias Gonzaga; Silva, Luciana Belarmindo; Viana, Leandro Hespanhol; Vieira, Henrique Duarte

2009-01-01

Durante a germinação e o desenvolvimento pós-germinativo de milho, o fluxo metabólico é intenso, ocorrendo síntese e degradação de açúcares (glicose, frutose e sacarose) e hidrólise de amido, além da redução da concentração do ácido abscísico (ABA). Acredita-se que altas concentrações de glicose exógena, promovam acúmulo de ABA, proporcionando atraso na germinação e desenvolvimento de plântulas. Concentrações menores, por outro lado, podem ocasionar estímulo na germinação e desenvolvimento. N...

Italian Advisory Board: sFlt-1/PlGF ratio and preeclampsia, state of the art and developments in diagnostic, therapeutic and clinical management.

Science.gov (United States)

Di Martino, Daniela; Cetin, Irene; Frusca, Tiziana; Ferrazzi, Enrico; Fuse', Federica; Gervasi, Maria Teresa; Plebani, Mario; Todros, Tullia

2016-11-01

Extensive research has been published, showing the usefulness of angiogenic markers in both diagnosis and subsequent prediction and management of preeclampsia and placenta-related disorders. Recent evidence provides a helpful cut off for the Elecsys ratio sFlt-1 to PlGF, that predicts preeclampsia development in women with sign and symptoms, before its clinical onset in the short term. In Europe, no accordance exists for the use of such kind of test in clinical practice; only German guidelines have recently taken it into account, as a diagnostic aid for preeclampsia, in conjunction with other clinical findings. This panel of Italian experts recently met, in order to review the literature and to promote the evaluation of the clinical utility of sFlt-1/PlGF ratio at the Italian country level, as regards: prediction of preeclampsia during the first trimester, prediction or exclusion of new onset or recurrence in patients with risk factors for preeclampsia, triage of patients suffering from gestational hypertension, evaluation of disease severity, prediction of adverse maternal and fetal outcomes. Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

Cambios ontogénicos en la morfología de plántulas de Manilkara zapota: análisis de sus implicaciones ecológicas Ontogenetic changes in seedling morphology of Manilkara zapota: analysis of ecological implications

Directory of Open Access Journals (Sweden)

Juan Antonio Cruz-Rodríguez

2010-04-01

Full Text Available En este trabajo se describen los cambios ontogénicos que se presentan en la morfología de plántulas de Manilkara zapota, uno de los árboles más abundantes de las selvas neotropicales. Estas plántulas presentan cambios morfológicos que se relacionan significativamente con sus probabilidades de supervivencia. La variación se describe a partir del registro y la observación de 552 plántulas con alturas menores a 35 cm, localizadas en una selva mediana subperennifolia en la parte central del estado de Veracruz. De cada individuo se registró presencia de cotiledones, altura, número de hojas, longitud y forma de las hojas, cobertura y área foliar específica (AFE. Con base en la forma de las hojas, se distinguieron 4 variantes: a plántulas con cotiledones; b plántulas con hojas elípticas; c plántulas con hojas oblongas, y d plántulas con hojas oblongolanceoladas. El tamaño de las hojas de la última clase fue de hasta 30 cm y duplica el tamaño de las hojas de los árboles adultos. El AFE mostró una correlación negativa con el tamaño de la hoja, lo que sugiere costos de construcción altos en las hojas grandes y explica su ausencia en los primeros años de vida. La formación de hojas grandes es un proceso discontinuo que depende de las reservas de la plántula y que permite aprovechar la escasa radiación prevaleciente en sotobosque.In this work the variability in seedling morphology of one of the most abundant neotropical trees, Manilkara zapota, is described. These seedlings display morphological changes significantly related with their survival probabilities. The variation is described from observations of 552 seedlings with heights less than 35 cm, in a subtropical rain forest in the central portion of the state of Veracruz. From each seedling we gathered the following data: presence of cotyledons, height, number of leaves, length and shape of the leaves, cover, and specific leaf area (SLA. Based on leaf shape, 4 seedling

Harvestmen (Arachnida: Opiliones in a forest fragment in the town of Plácido de Castro, Acre, Brazil = Opiliões (Arachnida: Opiliones em remanescente florestal no município de Plácido de Castro, AC

Directory of Open Access Journals (Sweden)

Rodrigo Souza Santos

2016-10-01

Full Text Available Harvestmen (Arachnida: Opiliones are arachnids with wide geographical distribution, most species being recorded in Neotropical regions. These organisms have low dispersal ability, a high degree of endemism and are sensitive to environmental change; they also participate in the cycling of soil organic matter, since the eating habits of many species are detritivorous. Given the importance of these organisms, the aim of this work was to search for harvestmen fauna in a forest fragment located in the town of Plácido de Castro in the Brazilian state of Acre. Two methods were used for capture: pitfall traps (passive capture arranged along two transects, and free night searches (active collection. The pitfall traps consisted of a 500 mL plastic cup containing a 1% formaldehyde solution and drops of neutral detergent, and were collected weekly. Monthly active collections were carried out by four people over one hour. The following species of harvestmen were captured: Paecilaema marajoara, Paraprotus quadripunctatus, Taito kakera and Cynorta sp. (Cosmetidae; Geaya sp. (Sclerosomatidae; and four adults and one immature insect of the family Manaosbiidae. All the harvestmen recorded in this survey were captured during the free night-searches. This is the first report of the genera Geaya and Cynorta, and the species P. quadripunctatus, in the State of Acre. = Os opiliões (Arachnida: Opiliones são aracnídeos com ampla distribuição geográfica, sendo a maior parte das espécies registradas na região Neotropical. Esses organismos possuem baixa capacidade de dispersão, alto grau de endemismo e sensibilidade às mudanças ambientais, também participam da ciclagem da matéria orgânica do solo, visto que muitas espécies possuem o hábito alimentar detritívoro. Dada a importância desses organismos, objetivou-se com esse trabalho prospectar a fauna de opiliões em remanescente florestal localizado no município de Plácido de Castro, AC. Foram utilizados

Luminescence kinetics of porous silicon: fluctuation approach

CERN Document Server

Bondarev, V N

2001-01-01

Theoretical interpretation of the kinetics of the photoluminescence (PL), caused by the tunnel radiative recombination of the photoexcited electron and hole, localized on the crystallite/matrix interface, is given on the basis of the notions on the porous silicon structure as an incidental totality of the Si nanodimensional crystallites, submerged into the SiO sub 2 matrix. The relatively slow (by the stretched exponential type) time drop in the PL intensity is the results of averaging the intensity in each PL elementary act by the electron and hole mutual disposition and by the crystallite dimensions. The good quantitative description of the low-temperature experiments may be obtained through the proposed approach both by the PL kinetics and time evolution of the porous silicon PL spectrum

A beleza da indiferença: reflexões sobre lieratura e artes plásticas a partir de um conto de Virginia Woolf

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Alexandre Rodrigues Costa

2006-12-01

Full Text Available Este texto analisa o conto “Objetos sólidos”, de Virginia Woolf, a partir do diálogo entre literatura e artes plásticas, com o objetivo de perceber como a opacidade dos objetos na obra de arte afeta o entendimento que o sujeito tem de si mesmo e da realidade à sua volta.

A beleza da indiferença: reflexões sobre lieratura e artes plásticas a partir de um conto de Virginia Woolf

OpenAIRE

Alexandre Rodrigues Costa

2006-01-01

Este texto analisa o conto “Objetos sólidos”, de Virginia Woolf, a partir do diálogo entre literatura e artes plásticas, com o objetivo de perceber como a opacidade dos objetos na obra de arte afeta o entendimento que o sujeito tem de si mesmo e da realidade à sua volta.

The photoluminescence/excitation (PL/E) spectroscopy of Eu-implanted GaN

KAUST Repository

O'Donnell, Kevin Peter

2011-05-01

Several distinct luminescent centres form in GaN samples doped with Eu. One centre, Eu2, recently identified as the isolated, substitutional Eu impurity, EuGa, is dominant in ion-implanted samples annealed under very high pressures (1 GPa) of N2. According to structural determinations, such samples exhibit an essentially complete removal of lattice damage caused by the implantation process. A second centre, Eu1, probably comprising EuGa in association with an intrinsic lattice defect, produces a more complex emission spectrum. In addition there are several unidentified features in the 5D0 to 7F2 spectral region near 620 nm. We can readily distinguish Eu1 and Eu2 by their excitation spectra, in particular through their different sensitivities to above-gap and below-gap excitation. The present study extends recent work on photoluminescence/ excitation (PL/E) spectroscopy of Eu1 and Eu2 to arrive at an understanding of these mechanisms in terms of residual optically active defect concentrations. We also report further on the \\'host-independent\\' excitation mechanism that is active in the case of a prominent minority centre. The relevance of this work to the operation of the red GaN:Eu light-emitting diode is discussed. © 2010 Elsevier B.V. All rights reserved.

The photoluminescence/excitation (PL/E) spectroscopy of Eu-implanted GaN

KAUST Repository

O'Donnell, Kevin Peter; Roqan, Iman S.; Wang, Ke; Lorenz, Katharina; Alves, Eduardo Jorge; Boćkowski, Michał X.

2011-01-01

Several distinct luminescent centres form in GaN samples doped with Eu. One centre, Eu2, recently identified as the isolated, substitutional Eu impurity, EuGa, is dominant in ion-implanted samples annealed under very high pressures (1 GPa) of N2. According to structural determinations, such samples exhibit an essentially complete removal of lattice damage caused by the implantation process. A second centre, Eu1, probably comprising EuGa in association with an intrinsic lattice defect, produces a more complex emission spectrum. In addition there are several unidentified features in the 5D0 to 7F2 spectral region near 620 nm. We can readily distinguish Eu1 and Eu2 by their excitation spectra, in particular through their different sensitivities to above-gap and below-gap excitation. The present study extends recent work on photoluminescence/ excitation (PL/E) spectroscopy of Eu1 and Eu2 to arrive at an understanding of these mechanisms in terms of residual optically active defect concentrations. We also report further on the 'host-independent' excitation mechanism that is active in the case of a prominent minority centre. The relevance of this work to the operation of the red GaN:Eu light-emitting diode is discussed. © 2010 Elsevier B.V. All rights reserved.

Oxytocin in the prelimbic medial prefrontal cortex reduces anxiety-like behavior in female and male rats.

Science.gov (United States)

Sabihi, Sara; Durosko, Nicole E; Dong, Shirley M; Leuner, Benedetta

2014-07-01

The neuropeptide oxytocin (OT) is anxiolytic in rodents and humans. However, the specific brain regions where OT acts to regulate anxiety requires further investigation. The medial prefrontal cortex (mPFC) has been shown to play a role in the modulation of anxiety-related behavior. In addition, the mPFC contains OT-sensitive neurons, expresses OT receptors, and receives long range axonal projections from OT-producing neurons in the hypothalamus, suggesting that the mPFC may be a target where OT acts to diminish anxiety. To investigate this possibility, female rats were administered OT bilaterally into the prelimbic (PL) region of the mPFC and anxiety-like behavior assessed. In addition, to determine if the effects of OT on anxiety-like behavior are sex dependent and to evaluate the specificity of OT, male and female anxiety-like behavior was tested following delivery of either OT or the closely related neuropeptide arginine vasopressin (AVP) into the PL mPFC. Finally, the importance of endogenous OT in the regulation of anxiety-like behavior was examined in male and female rats that received PL infusions of an OT receptor antagonist (OTR-A). Overall, even though males and females showed some differences in their baseline levels of anxiety-like behavior, OT in the PL region of the mPFC decreased anxiety regardless of sex. In contrast, neither AVP nor an OTR-A affected anxiety-like behavior in males or females. Together, these findings suggest that although endogenous OT in the PL region of the mPFC does not influence anxiety, the PL mPFC is a site where exogenous OT may act to attenuate anxiety-related behavior independent of sex. Copyright © 2014 Elsevier Ltd. All rights reserved.

POLYCHLORINATED BIPHENYL COMPLIANCE ISSUES IN THE 21ST CENTURY: POORLY RECOGNIZED AND POTENTIALLY DEVASTATING-8162

International Nuclear Information System (INIS)

Lowry, N

2007-01-01

Thirty-one years have passed since the United States Congress passed the Toxic Substances Control Act (TSCA) [1]. The 1976 law essentially eliminated future production of polychlorinated biphenyls (PCBs) within the United States and greatly limited the use of previously manufactured PCBs and PCB products. The ultimate objective of the law was the complete elimination of these chemicals due to concerns about their potentially toxic effects on health and the environment. PCBs were manufactured in the United States between 1929 and 1977. They were highly valued for their fire and heat-resistance properties and for their chemical stability. As a result, PCBs were used in a variety of thermally and/or chemically stressful applications. They did not conduct electricity and therefore were particularly well-suited for use as insulating fluids in high-voltage electric equipment. PCBs were also used in various other applications, such as in hydraulic and heat transfer fluids. Strict controls on the use and disposal of PCBs were imposed by the TSCA implementing regulations at 40 CFR 761 [2]. As a result, most heavy users of PCB products worked hard to curtail their PCB use. Many organizations that once used substantial amounts of PCBs, subsequently declared themselves ''PCB free''. Unfortunately, in many cases, these ''PCB-free'' declarations were premature, as PCBs were used in many more applications than insulating fluids. From the 1990s and to the present day, PCBs increasingly have been discovered in non-liquid forms. These materials were used or installed in facilities constructed before the 1979 ''PCB ban''. Examples include applied paints and coatings, caulking, pre-formed joint filler, and plastic or rubber wire and cable insulation. Proper identification of these materials is necessary for appropriate and compliant waste management during decommissioning and deactivation (D and D) activities. PCBs can pose other significant waste management issues for D and D

Micropropagação de abacaxi ornamental (Ananas comosus var. bracteatus por meio da indução ao estiolamento e regeneração de plântulas.

Directory of Open Access Journals (Sweden)

Ana Cristina Portugal Pinto de Carvalho

2005-06-01

Full Text Available O mercado de flores tropicais está em franca expansão, sendo crescente a comercialização de abacaxi ornamental como flor de corte. Segmentos nodais estiolados são utilizados para a micropropagação em várias culturas. O objetivo deste trabalho foi avaliar a multiplicação in vitro de segmentos nodais estiolados para produção de mudas de abacaxi ornamental, Ananas comosus var. bracteatus. Talos, obtidos a partir de plântulas produzidas in vitro, foram inoculados em meio MS e mantidos no escuro, a 24 ± 1ºC. Os tratamentos foram: MS sem reguladores de crescimento; MS + 10mM de ANA; MS + 10mM de AIA e MS + 10mM de AIB. Ao final de 60 dias, avaliouse número de brotos/talo, número de nós/broto, comprimento do broto, comprimento médio dos internós e total de nós/talo. Não houve diferença no número de brotos estiolados por talo entre os tratamentos avaliados. O meio MS sem reguladores de crescimento apresentou o maior valor para o número de nós/broto como para o número total de nós/explante, diferindo estatisticamente dos meios contendo AIB e ANA para a primeira variável e AIA e ANA, para a segunda. Quanto ao comprimento do broto e o comprimento médio dos internós, os menores valores foram obtidos no meio contendo ANA. Para a regeneração de plântulas, foram utilizados segmentos nodais contendo dois nós, oriundos de talos estiolados in vitro por 60 dias no meio MS, sem regulador de crescimento, no escuro. Os tratamentos foram: MS sem reguladores de crescimento; MS + 4,44 mM de BAP; MS + 8,88 mM de BAP e MS + 13,32 mM de BAP. Os frascos foram incubados sob fotoperíodo de 16 horas, a 24 a ± 1ºC. Ao final de 30, 45 e 60 dias foi avaliado o número de plântulas obtidas por nó. Aos 30 dias, não houve diferença no número de plântulas/nó entre os tratamentos testados. Após 45 dias, 13,32 mM de BAP promoveu maior número de plântulas regeneradas por nó, que diferiu estatisticamente do meio sem a adição dessa

Migração específica de antioxidante de embalagens plásticas para alimentos Specific migration of antioxidant from plastic packages for food

Directory of Open Access Journals (Sweden)

Leda Coltro

2011-01-01

Full Text Available O uso de aditivos em materiais plásticos é essencial para o processamento e desempenho dos plásticos, uma vez que os aditivos conferem características desejadas aos polímeros. No entanto, há restrições determinadas pela Agência Nacional de Vigilância Sanitária (ANVISA para as embalagens plásticas de alimentos, as quais devem ser avaliadas por meio de ensaios físicos, realizados por laboratório acreditado, para verificar se os requisitos estabelecidos pela ANVISA são atendidos. Sendo assim, o objetivo desse trabalho foi desenvolver metodologia que permita a avaliação da migração de 3-(3,5-di-terc-butil-4-hidroxifenil propionato de n-octadecila, antioxidante de nome comercial Irganox 1076, CAS 2082-79-3, presente em embalagens plásticas para contato com alimentos, empregando cromatografia líquida de alta eficiência. Esse estudo também teve como finalidade comprovar se o conteúdo de Irganox 1076 de amostras comerciais de filmes plásticos atende ao requisito de limite de migração específica estabelecido pela ANVISA para este aditivo. Os resultados obtidos indicam que a metodologia utilizada para os simulantes aquoso, ácido e gorduroso é satisfatória e adequada para a análise da migração específica do Irganox 1076, uma vez que todos os parâmetros necessários para a validação do método foram atingidos. As amostras de filme de PEBD e de EVA analisadas atendem ao limite de migração específica do Irganox 1076 para todos os simulantes avaliados.The use of additives in plastics is essential for the processing and performance of plastic products since the additives enhance the desired characteristics of the polymers. Nevertheless, there are restrictions established by the Brazilian Agency of Sanitary Surveillance (ANVISA for plastic packages intended to be in contact with foodstuffs which must be submitted to analyses at a proper laboratory in order to check the compliance with the requirements established

O plágio, a cópia e a intertextualidade na produção acadêmica

OpenAIRE

Ivy Judensnaider

2011-01-01

A ocorrência cada vez mais frequente do plágio nos trabalhos discentes enseja a discussão sobre a sua prática, em especial quando resultante da falta de compreensão sobre o real significado do caráter intertextual da produção acadêmica. Na investigação sobre os possíveis diálogos entr...

Resposta do tomateiro à fertirrigação potássica e cobertura plástica do solo

OpenAIRE

Sampaio,Regynaldo Arruda; Fontes,Paulo Cezar Rezende; Sediyama,Carlos Sigueyuki

1999-01-01

O objetivo do presente estudo foi determinar os efeitos da fertirrigação potássica e da cobertura do solo em película de plástico preto, na cultura do tomate. O experimento foi realizado na Universidade Federal de Viçosa, em solo Podzólico Vermelho-Amarelo câmbico. Os tratamentos, em cinco repetições, no delineamento em blocos casualizados, corresponderam a: (A) aplicação manual de 40% da dose recomendada de K no sulco de transplante e 60% aplicados manualmente, em cobertura; (B) aplicação ma...

Efeito da salinização e da época de dispersão das sementes na emergência de plântulas de candeia (Eremanthus erythropappus

Directory of Open Access Journals (Sweden)

Flávia Freire de Siqueira

2009-08-01

ção, para que ocorra a formação de um novo candeal. A espécie possui grande interesse econômico devido ao óleo (alfabisabolol que é extraído de toda a planta. Os objetivos deste estudo foram: i avaliar a influência do índice salino de diferentes adubos na emergência de plântulas de E. erythropappus; ii indicar uma adubação para a semeadura direta desta espécie; iii avaliar se a emergência de plântulas de candeia acompanham a sua época de dispersão. A semeadura realizada em viveiro ocorreu no inverno e na primavera em caixas de isopor de 15 x 10 cm dispostas no delineamento inteiramente casualizado com 4 tratamentos (superfosfato simples, esterco bovino, formulado NPK 8-28-16 e testemunha e 4 repetições com 100 sementes por caixa. A avaliação da emergência das plântulas foi diariamente durante 30 dias a partir da semeadura. Com os resultados obtidos podese concluir que a adubação com superfosfato simples, por apresentar baixo índice salino, é a mais eficiente para a semeadura direta em viveiro, podendo, portanto ser extrapolada para as condições de campo; e que a semeadura direta deve ocorrer na estação da primavera, período que corresponde a dispersão das sementes desta espécie.

Plans and schedules for implementation of US Nuclear Regulatory Commission responsibilities under the Low-Level Radioactive Waste Policy Amendments Act of 1985 (P.L. 99-240)

International Nuclear Information System (INIS)

Dunkelman, M.M.

1987-08-01

This document makes available the plans and schedules for the US Nuclear Regulatory Commission's (NRC's) implementation of its responsibilities under the Low-Level Radioactive Waste Policy Amendments Act of 1985 (LLRWPAA). The present document identifies the provisions of the LLRWPAA that affect the programs of the NRC, identifies what the NRC must do to fulfill each of its requirements under the LLRWPAA, and establishes schedules for carrying out these requirements

La calle es nuestra: La pintura mural del colectivo plástico de zaragoza durante la transición.

Directory of Open Access Journals (Sweden)

Mª Luisa Grau Tello

2012-04-01

Full Text Available Dentro del proceso de transición española hacia un régimen democrático, la pintura mural en el espacio urbano adquirió un papel de primera importancia al convertirse en un medio de expresión con el que partidos políticos y ciudadanos manifestaron sus deseos de cambio. El Colectivo Plástico de Zaragoza protagonizó esta actividad en Zaragoza junto con los barrios de la ciudad, que expresaron a través de estos murales las deficiencias y reivindicaciones que demandaban sus vecinos.

Descripción morfoagronómica de materiales de plátano (Musa AAB, ABB y banano (Musa AAA cultivados en San Andrés Isla

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Oscar Javier Parra Pachón

2009-10-01

Full Text Available Durante el primer semestre de 2005 se estudiaron los cultivares de plátano y banano en fincas y parcelas de 15 agricultores típicos participantes en programas conjuntos de la Secretaría de Agricultura y Pesca de San Andrés Isla y de la Universidad Nacional de Colombia sede Caribe. A partir de descriptores de INIBAP, IPGRI y CIRAD y revisiones bibliográficas.se describen morfológicamente los materiales de Musa cultivados en la Isla, así como las prácticas de los productores isleños, Se identificaron cuatro clones del subgrupo plátano (Musa AAB: un Hartón (‘Horse’ y tres Dominico-Hartón (‘Tallo Negro’, ‘Tallo Blanco’ y ‘Cincuenta’ del subgrupo ABB se hallaron un material de Bluggoe (‘Boscó’ y un Felipita. El subgrupo banano AAA presentó dos materiales Gros Michel (denominados Común y Chino y uno de banano (Rojo. El plátano tiene gran importancia para los agricultores de la Isla, siendo el Boscó el clon más aceptado entre consumidores por su adaptación a las condiciones edafológicas y climáticas. El banano es menos cultivado; ya que los suelos, el clima y las enfermedades como sigatoka negra, condicionaron el desarrollo de clones. El trabajo sugiere prácticas de fácil implementación que podrían aumentar la producción en los sistemas de huerto mixto tropical que predominan en la Isla.

Descripción morfoagronómica de materiales de plátano (Musa AAB, ABB y banano (Musa AAA cultivados en San Andrés Isla

Directory of Open Access Journals (Sweden)

Parra Pachón Oscar Javier

2009-12-01

Full Text Available Durante el primer semestre de 2005 se estudiaron los cultivares de plátano y banano en fincas y parcelas de 15 agricultores típicos participantes en programas conjuntos de la Secretaría de Agricultura y Pesca de San Andrés Isla y de la Universidad Nacional de Colombia sede Caribe. A partir de descriptores de INIBAP, IPGRI y CIRAD y revisiones bibliográficas.se describen morfológicamente los materiales de Musa cultivados en la Isla, así como las prácticas de los productores isleños, Se identificaron cuatro clones del subgrupo plátano (Musa AAB: un Hartón (‘Horse’ y tres Dominico-Hartón (‘Tallo Negro’, ‘Tallo Blanco’ y ‘Cincuenta’ del subgrupo ABB se hallaron un material de Bluggoe (‘Boscó’ y un Felipita. El subgrupo banano AAA presentó dos materiales Gros Michel (denominados Común y Chino y uno de banano (Rojo. El plátano tiene gran importancia para los agricultores de la Isla, siendo el Boscó el clon más aceptado entre consumidores por su adaptación a las condiciones edafológicas y climáticas. El banano es menos cultivado; ya que los suelos, el clima y las enfermedades como sigatoka negra, condicionaron el desarrollo de clones. El trabajo sugiere prácticas de fácil implementación que podrían aumentar la producción en los sistemas de huerto mixto tropical que predominan en la Isla.

The use of droplet digital PCR in liquid biopsies: A highly sensitive technique for MYD88 p.(L265P) detection in cerebrospinal fluid.

Science.gov (United States)

Hiemcke-Jiwa, Laura S; Minnema, Monique C; Radersma-van Loon, Joyce H; Jiwa, N Mehdi; de Boer, Mirthe; Leguit, Roos J; de Weger, Roel A; Huibers, Manon M H

2018-04-01

The gold standard for diagnosis of central nervous system lymphomas still regards a stereotactic brain biopsy, with the risk of major complications for the patient. As tumor cells can be detected in cerebrospinal fluid (CSF), CSF analysis can be used as an alternative. In this respect, mutation analysis in CSF can be of added value to other diagnostic parameters such a cytomorphology and clonality analysis. A well-known example of targeted mutation analysis entails MYD88 p.(L265P) detection, which is present in the majority of Bing Neel syndrome and primary central nervous system lymphoma (PCNSL) patients. Unfortunately, tumor yield in CSF can be very low. Therefore, use of the highly sensitive droplet digital PCR (ddPCR) might be a suitable analysis strategy for targeted mutation detection. We analyzed 26 formalin fixed paraffin embedded (FFPE) samples (8 positive and 18 negative for MYD88 p.(L265P) mutation) by ddPCR, of which the results were compared with next generation sequencing (NGS). Subsequently, 32 CSF samples were analyzed by ddPCR. ddPCR and NGS results on FFPE material showed 100% concordance. Among the 32 CSF samples, 9 belonged to patients with lymphoplasmacytic lymphoma (LPL) and clinical suspicion of Bing Neel syndrome, and 3 belonged to patients with PCNSL. Nine of these samples tested positive for MYD88 p.(L265P) (8 LPL and 1 PCNSL). This study shows that sensitive MYD88 mutation analysis by ddPCR in CSF is highly reliable and can be applied even when DNA input is low. Therefore, ddPCR is of added value to current diagnostic parameters, especially when the available amount of DNA is limited. Copyright © 2017 John Wiley & Sons, Ltd.

Manejo de Sigatoka negra (Mycosphaerella Fijiensis var. Difformis Morelet en plátano cv. “Curraré” en San Carlos, Zona Norte

Directory of Open Access Journals (Sweden)

Carlos Muñoz Ruiz

2005-05-01

Full Text Available Se evaluaron los diferentes productos químicos, utilizados en el control de Sigatoka negra en banano, en el cultivo de plátano, en la zona de Santa Clara de San Carlos. Uno de los principales objetivos fue generar un programa de manejo químico de la enfermedad para la zona de San Carlos, posible de ser transferido a otras zonas plataneras del país; el otro objetivo fue establecer las bases para automatizar las actividades culturales de manejo de plantaciones de musáceas, mediante la creación de un Software para computadora y asequible por internet. Para el primer objetivo, se logró establecer que genéticamente el plátano es más resistente a la enfermedad y, por ser un cultivo donde hasta el momento, no se ha sobrepasado el uso de funguicidas como sucede en el banano, se pueden utilizar sin problema los productos protectantes mas comunes, como el Vondozeb y el Ridodur, tanto en aceite como en agua, así como el aceite puro a 7 litros/ha, presentando un efecto aceptable en el control de la infección de Mycospharella. Los productos sistémicos utilizados mostraron su eficiencia aunque, por su costo, no se sugiere su uso en plátano, solo para casos de emergencia. La mezcla de protectantes con sistémicos y aceite (cocteles, se consideran muy efectivos pero innecesarios para ser utilizados en plátano en forma comercial. Para esta evaluación se hicieron 35 aplicaciones o semanas de evaluación, en dos periodos climatológicos (verano e invierno de enero a septiembre del 2001, combinadas con las prácticas culturales tradicionales de deshoja, deshija, fertilización, y el monitoreo, utilizando la escala de signos visuales de 6 puntos de Stover y el método francés. Se evaluaron las variables: Hojas por planta (H/P, Hoja mas joven enferma (HMJE y Porcentaje ponderado de infecci��n (PPI, para cada tipo de grupo químico evaluado. La variable H/P, en la mayoría de los grupos se inició con un mínimo de 3 hojas hasta un máximo de 14

Aspectos fisiológicos da germinação e da qualidade de plântulas de Schizolobium amazonicum em resposta à escarificação das sementes em lixa e água quente

Directory of Open Access Journals (Sweden)

Elizabeth Santos Cordeiro Shimizu

2011-08-01

Full Text Available Sementes de Schizolobium amazonicum apresentam dormência física a qual pode ser quebrada por diferentes métodos de escarificação. Nesta pesquisa, os efeitos da escarificação das sementes em lixa e água quente sob os aspectos fisiológicos relacionados à germinação das sementes e à qualidade das plântulas obtidas foram avaliados. Sementes de S. amazonicum foram escarificadas pela (i imersão em água a 100°C/ 2 min e pela (ii fricção das sementes em lixa. Sementes não escarificadas foram utilizadas como testemunha. As seguintes variáveis foram avaliadas: viabilidade dos tecidos (por meio do teste de tetrazólio, taxa de germinação, índice de velocidade de germinação (IVG, taxa de embebição das sementes, depleção do endosperma e emergência, uniformidade e acúmulo de biomassa das plântulas resultantes. As sementes oriundas de ambos os tratamentos foram igualmente coradas pelo tetrazólio. A escarificação em lixa resultou em maior germinação, maior IVG, rápida embebição e depleção do endosperma em comparação às sementes escarificadas em água a 100°C/2 min. A emergência de plântulas e o índice de emergência foram maiores em sementes escarificadas em lixa, cujas plântulas apresentaram-se mais uniformes e com maior acúmulo de biomassa que aquelas obtidas após escarificação em água a 100°C/2 min. Do exposto, a escarificação de sementes de paricá em lixa é mais eficiente na promoção da germinação e produção de plântulas uniformes.

Crecimiento de plántulas de cacao (Theobroma cacao L. en diferentes tamaños de contenedor

Directory of Open Access Journals (Sweden)

Mónica Andrea Osorio G.

2017-12-01

Full Text Available El volumen del contenedor para la propagación del cacao es determinante, ya que su tamaño influye en el crecimiento y desarrollo de las plántulas, siendo un factor definitivo para el establecimiento del cultivo. En este trabajo se comparó el efecto que tienen diferentes tamaños de contenedor 0,01; 0,02 y 0,1m3 (volumen de sustrato y la duración en vivero, sobre el crecimiento de plantas de cacao, además, se evaluaron los cambios en el sustrato confinado. Se sembraron semillas de cacao en contenedores de diferentes alturas: 25, 45 y 70cm. Se midió la temperatura de las hojas y se colectaron plántulas, para cuantificar la biomasa particionada y crecimiento de la raíz principal. Simultáneamente fueron evaluadas la resistencia a la penetración, la temperatura, la humedad y la porosidad del sustrato. Los resultados evidenciaron diferencias significativas (P<0,05 en la acumulación de fitomasa total. En los contenedores de mayor tamaño (0,1m3 hubo mayor biomasa total, mayor longitud de raíces: 62,17cm, el sustrato presentó menor resistencia a la penetración (0,52Kg cm-2 y temperatura. La temperatura de las hojas se relacionó directamente con la temperatura del suelo e inversamente con la humedad del suelo. Se comprobó que el tamaño del contenedor afecta las características físicas del sustrato y el crecimiento de las plantas, lo cual sugiere que con 0,02m2 (con 45cm altura del contenedor las plantas pueden permanecer 180 días en vivero.

CMS Financial Reports

Data.gov (United States)

U.S. Department of Health & Human Services — This section contains the annual CMS financial statements as required under the Chief Financial Officers (CFO) Act of 1990 (P.L. 101-576). The CFO Act marked a major...

Some photosynthetic and growth responses of Annona glabra L. seedlings to soil flooding Algumas respostas fotossintéticas e do crescimento de plântulas de Annona glabra L. ao alagamento do solo

Directory of Open Access Journals (Sweden)

Marcelo S. Mielke

2005-12-01

Full Text Available An experiment was conducted with the aim to analyze the effects of soil flooding and leaf position on net primary productivity and whole plant carbon balance of Annona glabra L. (Annonaceae seedlings, a highly flood-tolerant tree, native to the tropical Americas. All seedlings survived a period of 56 days of flooding without symptoms of stress. Flooding induced significant increments in root, stem and whole-plant biomass (P Um experimento foi conduzido com o objetivo de analisar os efeitos do alagamento e da posição das folhas na produtividade primária líquida e no balanço de carbono em plântulas de Annona glabra L. (Annonaceae, uma espécie altamente tolerante ao alagamento e nativa na América tropical. Todas as plântulas sobreviveram ao período de alagamento de 56 dias sem apresentarem sintomas de estresse. O alagamento induziu incrementos significativos (P <0,01 na biomassa de raízes, caules e planta inteira, e na razão raízes/parte aérea. Medições das trocas gasosas foliares foram conduzidas aos quatro, 11, 18 e 56 dias após o alagamento, na primeira (L1, quarta (L4 e sétima (L7 folha completamente expandida a partir do ápice em cada plântula. Os valores médios da condutância estomática ao vapor de água (g s e da taxa fotossintética líquida (A nas plântulas controle foram 0,26 mol m-2s-1 e 8,8 µmol m-2s-1, respectivamente. Reduções significativas (P <0,05 em A foram observadas entre L1 e L7 nas plântulas controle em todos os três dias de medições. As reduções em A com o aumento da idade foliar também ocorreram nas plantas alagadas, apenas nos dias 4 e 18. O alagamento induziu alterações significativas em gs (P <0,05, alcançando 65% em relação ao controle no dia 4 e 152% em relação ao controle no dia 56. Com base nos resultados obtidos foi possível concluir que as elevadas taxas de sobrevivência e de crescimento de plântulas de A. glabra estão diretamente relacionadas com a capacidade de manter

User's guide for GSMP, a General System Modeling Program. [In PL/I

Energy Technology Data Exchange (ETDEWEB)

Cook, J. M.

1979-10-01

GSMP is designed for use by systems analysis teams. Given compiled subroutines that model the behavior of components plus instructions as to how they are to be interconnected, this program links them together to model a complete system. GSMP offers a fast response to management requests for reconfigurations of old systems and even initial configurations of new systems. Standard system-analytic services are provided: parameter sweeps, graphics, free-form input and formatted output, file storage and recovery, user-tested error diagnostics, component model and integration checkout and debugging facilities, sensitivity analysis, and a multimethod optimizer with nonlinear constraint handling capability. Steady-state or cyclic time-dependence is simulated directly, initial-value problems only indirectly. The code is written in PL/I, but interfaces well with FORTRAN component models. Over the last five years GSMP has been used to model theta-pinch, tokamak, and heavy-ion fusion power plants, open- and closed-cycle magneto-hydrodynamic power plants, and total community energy systems.

Construct validity and parent-child agreement of the six new or modified disorders included in the Spanish version of the Kiddie Schedule for Affective Disorders and Schizophrenia present and Lifetime Version DSM-5 (K-SADS-PL-5).

Science.gov (United States)

de la Peña, Francisco R; Rosetti, Marcos F; Rodríguez-Delgado, Andrés; Villavicencio, Lino R; Palacio, Juan D; Montiel, Cecilia; Mayer, Pablo A; Félix, Fernando J; Larraguibel, Marcela; Viola, Laura; Ortiz, Silvia; Fernández, Sofía; Jaímes, Aurora; Feria, Miriam; Sosa, Liz; Palacios-Cruz, Lino; Ulloa, Rosa E

2018-06-01

Changes to the Diagnostic and Statistical Manual of Mental Disorders fifth edition (DSM-5) incorporate the inclusion or modification of six disorders: Autism Spectrum Disorder, Social Anxiety Disorder, Intermittent Explosive Disorder, Disruptive Mood Dysregulation Disorder, Avoidant/Restrictive Food Intake Disorder and Binge Eating Disorder. The objectives of this study were to assess the construct validity and parent-child agreement of these six disorders in the Spanish language Schedule for Affective Disorders and Schizophrenia for School Age Children Present and Lifetime Version (K-SADS-PL-5) in a clinical population of children and adolescents from Latin America. The Spanish version of the K-SADS-PL was modified to integrate changes made to the DSM-5. Clinicians received training in the K-SADS-PL-5 and 90% agreement between raters was obtained. A total of 80 patients were recruited in four different countries in Latin America. All items from each of the six disorders were included in a factor analysis. Parent-child agreement was calculated for every item of the six disorders, including the effect of sex and age. The factor analysis revealed 6 factors separately grouping the items defining each of the new or modified disorders, with Eigenvalues greater than 2. Very good parent-child agreements (r>0.8) were found for the large majority of the items (93%), even when considering the sex or age of the patient. This independent grouping of disorders suggests that the manner in which the disorders were included into the K-SADS-PL-5 reflects robustly the DSM-5 constructs and displayed a significant inter-informant reliability. These findings support the use of K-SADS-PL-5 as a clinical and research tool to evaluate these new or modified diagnoses. Copyright © 2018. Published by Elsevier Ltd.

Atomic Act amended

International Nuclear Information System (INIS)

Drabova, D.

2002-01-01

In the paper by the chairwoman of the Czech nuclear regulatory authority, the history of Czech nuclear legislation is outlined, the reasons for the amendment of the Atomic Act (Act No. 18/1997) are explained, and the amendments themselves are highlighted. The Act No. 13/2002 of 18 December 2001 is reproduced from the official Collection of Acts of the Czech Republic in the facsimile form. The following acts were thereby amended: Atomic Act No. 18/1997, Metrology Act No. 505/1990, Public Health Protection Act No. 258/2000, and Act No. 2/1969 on the Establishment of Ministries and Other Governmental Agencies of the Czech Republic. (P.A.)

75 FR 63703 - Privacy Act of 1974; Privacy Act Regulation

Science.gov (United States)

2010-10-18

... FEDERAL RESERVE SYSTEM 12 CFR Part 261a [Docket No. R-1313] Privacy Act of 1974; Privacy Act... implementing the Privacy Act of 1974 (Privacy Act). The primary changes concern the waiver of copying fees... records under the Privacy Act; the amendment of special procedures for the release of medical records to...

Privacy Act

Science.gov (United States)

Learn about the Privacy Act of 1974, the Electronic Government Act of 2002, the Federal Information Security Management Act, and other information about the Environmental Protection Agency maintains its records.

ACTS 2014

DEFF Research Database (Denmark)

Co-curator of ACTS 2014 together with Rasmus Holmboe, Judith Schwarzbart and Sanne Kofoed. ACTS is the Museum of Contemporary Art’s international bi-annual festival. ACTS was established in 2011 and, while the primary focus is on sound and performance art, it also looks toward socially oriented art....... For the 2014 festival, the museum has entered into a collaboration with the Department for Performance Design at Roskilde University – with continued focus on sound and performance art, and social art in public spaces. With ACTS, art moves out of its usual exhibition space and instead utilizes the city, its...... various possibilities and public spaces as a stage. ACTS takes place in and around the museum and diverse locations in Roskilde city. ACTS is partly curated by the museum staff and partly by guest curators. ACTS 2014 is supported by Nordea-fonden and is a part of the project The Museum goes downtown....

Nuclear Regulatory Authority Act, 2015 (Act 895)

International Nuclear Information System (INIS)

2015-04-01

An Act to establish a Nuclear Regulatory Authority in Ghana. This Act provides for the regulation and management of activities and practices for the peaceful use of nuclear material or energy, and to provide for the protection of persons and the environment against the harmful effects of radiation; and to ensure the effective implementation of the country’s international obligations and for related matters. This Act replaced the Radiation Protection Instrument, of 1993 (LI 1559).

Tiempo de almacenamiento del cormo y su efecto en el crecimiento y producción de plátano (Musa AAB Dominico Hartón

Directory of Open Access Journals (Sweden)

Manuel Aristizábal L

2013-12-01

Full Text Available Se evaluó el efecto del tiempo de almacenamiento del material de siembra sobre el crecimiento y producción del plátano (Musa AAB, utilizando cormos de plantas sanas libres de tejido necrosado.La mitad de ellos fueron sumergidos durante 60 min en una solución de 15 g de carbofurán y 20 g de manzate en 10 L de agua, después de lo cual tanto los cormos tratados como los no tratados fueron colocados sobre el suelo y cubiertos con hojas frescas de plátano. Cada semana, durante un período de 6 semanas, se tomó la cantidad necesaria de cormos para plantar a una distancia de 3m entre surcos y 2m entre plantas, en un diseño de parcelas divididas con cuatro repeticiones y 10 plantas por repetición. En floración se hicieron registros de altura de planta, diámetro del pseudotallo, número de hojas funcionales presentes y hojas jóvenes manchadas; en cosecha se registró el peso de los racimos y se calculó el peso promedio del dedo en cada uno de ellos. Se encontró que el almacenamiento del cormo reduce el crecimiento de la planta sin afectar la severidad de la Sigatoka del plátano, igualmente reduce de forma severa y significativa el peso del racimo y el tamaño de dedo; no obstante, el tratamiento preventivo del cormo tiene efecto positivo en el crecimiento y producción de la planta, aunque no reduce el daño causado por el envejecimiento del material de propagación.

Caracterización química de macroelementos en suelos cultivados con plátano (Musa AAB Simmonds en el departamento de Córdoba, Colombia

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Enrique Combatt-Caballero

2012-04-01

Full Text Available Las recomendaciones de fertilización para el cultivo de plátano (Musa AAB Simmonds deben estar basadas en las características químicas y el potencial de producción de los suelos. El objetivo de este trabajo fue evaluar las características químicas de macro-elementos presentes en suelos utilizados en la producción de plátano en el departamento de Córdoba, Colombia. Las evaluaciones se hicieron en diez fincas por cada uno de cuatro municipios productores de plátano en el Alto Sinú (Valencia y Tierralta y la región costanera (San Bernardo del Viento y Moñitos. Los parámetros determinados en el suelo fueron: pH, materia orgánica (M.O., P, S, Ca, Mg, Na y K, según metodologías químicas propuestas por Instituto Geográfico Agustín Codazi (IGAC. Los datos obtenidos fueron sometidos a análisis de varianza y pruebas de comparación de medias (Tukey. En los resultados analíticos se encontró que los suelos presentan reacción moderadamente ácida con pH < 6 en la zona del Alto Sinú, a ligeramente alcalina con pH de 6.5 en la zona costanera. Los contenidos de M.O. son < 2.1%, el P varía entre 16.4 y 35.3 mg/kg y el S es deficiente con valores < 13.5 mg/kg en todas las fincas. Los contenidos de Ca, Mg y K son altos, pero con tendencia a antagonismos iónicos de Ca con respecto a K por las amplias relaciones catiónicas encontradas.

Caracterización química de macroelementos en suelos cultivados con plátano (Musa AAB Simmonds en el departamento de Córdoba, Colombia

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Combatt Caballero Enrique

2012-11-01

Full Text Available Las recomendaciones de fertilización para el cultivo de plátano (Musa AAB Simmonds deben estar basadas en las características químicas y el potencial de producción de los suelos. El objetivo de este trabajo fue evaluar las características químicas de macro-elementos presentes en suelos utilizados en la producción de plátano en el departamento de Córdoba, Colombia. Las evaluaciones se hicieron en diez fincas por cada uno de cuatro municipios productores de plãtano en el Alto Sinü (Valencia y Tie- rralta y la región costanera (San Bernardo del Viento y Moñitos. Los parámetros determinados en el suelo fueron: pH, materia orgánica (M.O., P, S, Ca, Mg, Na y K, según metodologías químicas propues- tas por Instituto Geogrãfico Agustin Codazi (IGAC. Los datos obtenidos %ueron sometidos a anãlisis de varianza y pruebas de comparación de medias (Tukey. En los resultados analíticos se encontró que los suelos presentan reacción moderadamente ãcida con pH + / en la zona del Alto Sinü7 a ligeramente alcalina con pH de /.8 en la zona costanera. Los contenidos de 9.;. son + 2.=>7 el P Faria entre =/.G y I8.I mgJQg y el S es deficiente con Falores + =I.8 mgJQg en todas las fincas. Los contenidos de Ca7 Mg y K son altos, pero con tendencia a antagonismos iónicos de Ca con respecto a K por las amplias relaciones catiónicas encontradas.

Comportamiento plástico a alta temperatura de Al2O3 codopado con CuO y TiO2 fabricado por reacción

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Domínguez-Rodríguez, A.

2003-08-01

Full Text Available The high temperature plastic behavior of reaction-bonded alumina doped with equimolar amounts of copper and titanium oxides (CuO and TiO2, respectively has been studied by means of creep and stress relaxation tests in air. Deformation results have been correlated with microstructural observations and X-ray diffraction studies in order to deduce the mechanism responsible for the deformation. This material exhibits plasticity at temperatures as low as 950ºC in contrast with other aluminas. At temperatures near 1000ºC a linear relation between the strain rate and the stress has been detected (a stress exponent n equal to 1 but both above and below this temperature higher values of n have been observed.Se ha estudiado el comportamiento plástico a alta temperatura de alúmina codopada con cantidades equimolares de óxidos de cobre (CuO y titanio (TiO2 fabricada por reacción mediante el empleo de ensayos de fluencia y de relajación de tensiones en atmósfera de aire. Los resultados de los ensayos de deformación plástica han sido correlacionados con observaciones microestructurales y difracción de rayos X con vistas a deducir el mecanismo responsable del proceso de deformación. Este material presenta comportamiento plástico a temperaturas tan bajas como 950ºC en contraste con otras aluminas. A temperaturas alrededor de 1000ºC se ha observado una relación lineal entre la velocidad de deformación y la tensión (exponente de tensión igual a uno mientras que a temperaturas por encima y por debajo de este valor el exponente de tensión toma valores más elevados.

Estudo do comportamento de túneis: análise numérica tridimensional com modelos elasto-plásticos.

OpenAIRE

Pedro Teodoro França

2006-01-01

O presente trabalho aborda o estudo do comportamento de túneis em maciços de solo. É dada ênfase na aplicação de análises numéricas com emprego de diferentes modelos constitutivos elasto-plásticos para solos. São apresentadas análises numéricas tridimensionais de um túnel amplamente instrumentado pertencente à Companhia do Metropolitano de São Paulo. As análises são realizadas com auxílio de um programa computacional de elementos finitos. O comportamento do maciço em pontos situados ao redor ...

Produtividade e qualidade da uva 'Cabernet Sauvignon'produzida sob cobertura de plástico em cultivo orgânico

OpenAIRE

Detoni,Alessandra Maria; Clemente,Edmar; Fornari,Carlinhos

2007-01-01

A uva 'Cabernet Sauvignon' (Vitis vinifera L.) é utilizada na produção de vinhos finos, sendo muito cultivada no Sul do Brasil. Esta variedade é muito sensível à ocorrência de doenças, sendo necessário o desenvolvimento de práticas culturais para diminuir a incidência das mesmas. O objetivo deste trabalho foi avaliar a produtividade e a qualidade da uva 'Cabernet Sauvignon' cultivada sob cobertura de plástico em sistema de produção orgânico. O experimento foi realizado em um vinhedo localizad...

A qualidade como diferencial competitivo: uma proposta para a industria de embalagens plásticas de alimentos do Recife

OpenAIRE

SARREA JUNIOR, Euler

2007-01-01

Esse trabalho mostra a evolução e o crescimento de uma empresa de embalagens plásticas para alimentos de Pernambuco e os problemas para atingir suas metas de qualidade e de produtividade nesse período de vida (10 anos). Fazendo a retrospectiva da empresa verificou-se que, se por um lado a organização investiu em instalações e equipamentos modernos, a mesma preocupação não foi observada com a mão-de-obra. Na análise dos indicadores, foram utilizadas ferramentas da qualidade como Brainstorming ...

Potencial produtivo de videiras cultivadas sob cobertura de plástico Yield potential of grapevine cultivated under plastic cover

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Geraldo Chavarria

2009-02-01

Full Text Available O objetivo deste trabalho foi avaliar a influência do uso de cobertura de plástico sobre os componentes do rendimento da videira (Vitis vinifera L. cultivar Moscato Giallo. O experimento foi realizado nas safras 2005/2006 e 2006/2007, em Flores da Cunha, RS, em duas áreas de vinhedo, uma com cobertura de plástico impermeável e outra sem cobertura (controle. O microclima foi avaliado quanto à temperatura e umidade relativa do ar, radiação fotossinteticamente ativa e velocidade do vento próximo ao dossel vegetativo e a os cachos. A avaliação dos componentes de rendimento ocorreu em delineamento experimental inteiramente ao acaso, e foram identificadas dez plantas marcadas aleatoriamente em cada área. Avaliaram-se a produção por planta e por hectare, o número de cachos por planta e por metro quadrado, o número de sarmentos por metro quadrado, a massa e comprimento de cacho, a massa de engaço, o número de bagas por cacho, o diâmetro transversal de bagas e a relação entre massa de película e massa de polpa. Acobertura de plástico possibilita aumento na produtividade, não afeta a relação entre massa de casca e massa de polpa das bagas e favorece a estabilidade de produção, independentemente das condições meteorológicas no ciclo.The objective of this work was to evaluate the effect of plastic cover on the yield components of grapevine (Vitis vinifera L. cultivar Moscato Giallo. The experiment was carried out in 2005/2006 and 2006/2007 crop seasons, in Flores da Cunha, RS, Brazil, in two vineyard areas, one covered with an impermeable plastic film and other without covering (control. The microclimate was evaluated in terms of air temperature, air relative humidity, photosynthetically active radiation and wind speed above canopy and close to clusters. The yield components were evaluated in a completely randomized design, in ten plants randomly selected in each area. Measures were made for production per plant, yield per

Regulatory Strategies To Minimize Generation Of Regulated Wastes From Cleanup, Continued Use Or Decommissioning Of Nuclear Facilities Contaminated With Polychlorinated Biphenyls (PCBS) - 11198

International Nuclear Information System (INIS)

Lowry, N.

2010-01-01

Disposal costs for liquid PCB radioactive waste are among the highest of any category of regulated waste. The high cost is driven by the fact that disposal options are extremely limited. Toxic Substances Control Act (TSCA) regulations require most liquids with PCBs at concentration of (ge) 50 parts-per-million to be disposed by incineration or equivalent destructive treatment. Disposal fees can be as high as $200 per gallon. This figure does not include packaging and the cost to transport the waste to the disposal facility, or the waste generator's labor costs for managing the waste prior to shipment. Minimizing the generation of liquid radioactive PCB waste is therefore a significant waste management challenge. PCB spill cleanups often generate large volumes of waste. That is because the removal of PCBs typically requires the liberal use of industrial solvents followed by a thorough rinsing process. In a nuclear facility, the cleanup process may be complicated by the presence of radiation and other occupational hazards. Building design and construction features, e.g., the presence of open grating or trenches, may also complicate cleanup. In addition to the technical challenges associated with spill cleanup, selection of the appropriate regulatory requirements and approach may be challenging. The TSCA regulations include three different sections relating to the cleanup of PCB contamination or spills. EPA has also promulgated a separate guidance policy for fresh PCB spills that is published as Subpart G of 40 CFR 761 although it is not an actual regulation. Applicability is based on the circumstances of each contamination event or situation. Other laws or regulations may also apply. Identification of the allowable regulatory options is important. Effective communication with stakeholders, particularly regulators, is just as important. Depending on the regulatory path that is taken, cleanup may necessitate the generation of large quantities of regulated waste

Revisiting the functional anatomy of the palmaris longus as a thenar synergist.

Science.gov (United States)

Moore, Colin W; Fanous, Jacob; Rice, Charles L

2017-11-27

Surgical studies describe the palmaris longus (PL) as a synergist in thumb abduction, which may facilitate its use in restoring thumb function using opponensplasty. However, beyond morphological descriptions and isometric thenar abduction strength measures, the evidence supporting the PL as a thenar synergist in-vivo is limited. The purpose here was to determine whether the PL provides synergistic contributions to thenar musculature by: (1) recording PL muscle activity using indwelling electromyography (EMG) during thumb movements; and (2) quantifying changes in PL muscle architecture using ultrasonography. In 10 healthy males, PL muscle activity was recorded during maximal thenar muscle contractions (abduction, flexion, opposition, adduction, and extension) with the wrist secured in a neutral position. The PL EMG was normalized to its maximal EMG recorded during isometric wrist flexion. Dynamic changes in PL muscle thickness (M T ) were determined during abduction and adduction using ultrasound imaging. The results indicate that the PL is activated during thenar movements with greatest relative PL EMG recorded during thenar abduction (46%), flexion (35%) and opposition (37%). Compared to rest, PL M T significantly increased (21%) during maximal thenar abduction. With direct measures in vivo, this study supports morphological and surgical observations indicating the PL acts as an extrinsic hand muscle in enhancing thenar muscle actions. Knowledge of the synergistic relationship between the PL and thenar musculature may allow for further development of surgical opponensplasty approaches using the abductor pollicis brevis and PL as a functional digastric unit. Clin. Anat, 2017. © 2017 Wiley Periodicals, Inc. © 2017 Wiley Periodicals, Inc.

La « Bibliothèque de la Pléiade » : un bon objet

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Pascal Durand

2011-05-01

Full Text Available Avec aujourd’hui plus de cinq cents titres à son catalogue, la « Bibliothèque de la Pléiade » a été créée en 1931 par Jacques Schiffrin avant d’être reprise trois ans plus tard à l’enseigne des éditions Gallimard. L’idée était dans l’air, et il n’est pas inutile de rapporter ici le témoignage de José Corti qui, dans ses Souvenirs désordonnés, se rappelait, avec la magnanime amertume dont est seul capable en pareil cas un grand seigneur de l’édition artiste, qu’il avait eu dès 1928 cette « bon...

http://www.afe.polsl.pl/index.php/pl/733/homogeneity-of-particle-size-in-the-space-of-composite-suspension-casting.pdf

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E. Fraś

2010-01-01

Full Text Available The study presents the results of microstructural examinations of the Ni-Al-C alloy forming a natural Ni3Al/C composite, in which the precipitates of graphite are acting as a lubricating, slip phase. Different forms of graphite were described, starting with the fibrous shapes and ending in spheroidal forms, identical with the spheroidal graphite present in cast iron. The morphologies of graphite precipitates in the Ni3Al phase were compared to similar precipitates observed in ferrous alloys with high carbon content.

Plans and schedules for implementation of US Nuclear Regulatory Commission responsibilities under the Low-Level Radioactive Waste Policy Amendments Act of 1985 (P.L. 99-240)

International Nuclear Information System (INIS)

Dunkelman, M.M.; Kearney, M.S.; MacDougall, R.D.

1986-07-01

The purpose of this document is to make available to the states and other interested parties, the plans and schedules for the US Nuclear Regulatory Commission's (NRC's) implementation of its responsibilities under Public Law 99-240, the Low-Level Radioactive Waste Policy Amendments Act of 1985 (LLRWPAA). This document identifies the provisions of the LLRWPAA which affect the programs of the NRC, identifies what the NRC must do to fulfill each of its requirements under the LLRWPAA, and establishes schedules for carrying out these requirements. The plans and schedules are current as of June 1986

13 CFR 107.115 - 1940 Act and 1980 Act Companies.

Science.gov (United States)

2010-01-01

... 13 Business Credit and Assistance 1 2010-01-01 2010-01-01 false 1940 Act and 1980 Act Companies. 107.115 Section 107.115 Business Credit and Assistance SMALL BUSINESS ADMINISTRATION SMALL BUSINESS... Companies. A 1940 Act or 1980 Act Company is eligible to apply for an SBIC license, and an existing Licensee...

Congressional-executive interaction and the nuclear waste repository site selection process

International Nuclear Information System (INIS)

Thurber, J.A.; Evanson, T.C.

1993-01-01

The Nuclear Waste Policy Act of 1982 (NWPA) (P.L. 97-425) and the Nuclear Waste Policy Amendments Act of 1987 (NWPAA) (Title V of P.L. 100-203) provide the framework for the DOE Office of Civilian Radioactive Waste Management (OCRWM) to find a permanent means for disposing of high-level nuclear waste in the US. The focus of this study is the congressional decision-making process associated with passage of the Nuclear Waste Policy Amendments Act of 1987. The passage of NWPAA was a direct result of the failure of the policy adopted in the Nuclear Waste Policy Act of 1982. This study analyzes the nature of congressional nuclear waste policy-making through the lens of subsystems theory. The data analysis is primarily based on confidential interviews with over fifty key actors in the nuclear waste policy subsystem as well as an analysis of primary source documents

GerminaÃÃo e crescimento de plÃntulas de Libidibia ferrea Mart. ex. Tul. em funÃÃo do peso de semente e condiÃÃes de temperatura e luz

OpenAIRE

Fernanda Melo Gomes

2014-01-01

O objetivo deste trabalho foi estudar a germinaÃÃo de sementes e o estabelecimento de plÃntulas de Libidibia ferrea em funÃÃo do peso de semente, temperatura e luz. As sementes de L. ferrea foram separadas em trÃs classes de peso (leves, mÃdias e pesadas) e foram realizados em laboratÃrio os bioensaios de temperatura e luz, alÃm do experimento de sombreamento em casa de vegetaÃÃo. Para o experimento em laboratÃrio, o crescimento da parte aÃrea de plÃntulas apresentou melhor desempenho sob a a...

sativa L. por caracteres bioquímicos en semillas y plántulas

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Alberto A. Galussi

2011-01-01

Full Text Available Las semillas de los cultivares de alfalfa son morfológicamente similares, por ello, el análisis de proteínas en semillas y plántulas podría resultar adecuado para diferenciar los cultivares. El objetivo de este trabajo fue caracterizar cultivares de alfalfa, provenientes de dos cosechas, a nivel de proteínas de las semillas a través de SDS PAGE y A PAGE, y en estado de protrusión y cotiledonar por el análisis de la isoenzima Alcohol Deshidrogenasa (ADH. El tamaño muestral adecuado para electroforesis fue de 0,5g de semillas en 5,00ml de buffer de extracción y el volumen de siembra apropiado fue de 10μl. En ambos métodos, SDS PAGE y A PAGE, se logró el fraccionamiento proteico, aunque no fue posible la diferenciación entre cultivares; las escasas diferencias halladas no fueron repetibles en muestras de diferentes años de cosecha. El sistema ADH manifestó diferencias entre cultivares, lográndose mayor diferenciación en el estado de protrusión.

Retrospective 70 y-spatial analysis of repeated vine mortality patterns using ancient aerial time series, Pléiades images and multi-source spatial and field data

Science.gov (United States)

Vaudour, E.; Leclercq, L.; Gilliot, J. M.; Chaignon, B.

2017-06-01

For any wine estate, there is a need to demarcate homogeneous within-vineyard zones ('terroirs') so as to manage grape production, which depends on vine biological condition. Until now, the studies performing digital zoning of terroirs have relied on recent spatial data and scant attention has been paid to ancient geoinformation likely to retrace past biological condition of vines and especially occurrence of vine mortality. Is vine mortality characterized by recurrent and specific patterns and if so, are these patterns related to terroir units and/or past landuse? This study aimed at performing a historical and spatial tracing of vine mortality patterns using a long time-series of aerial survey images (1947-2010), in combination with recent data: soil apparent electrical conductivity EM38 measurements, very high resolution Pléiades satellite images, and a detailed field survey. Within a 6 ha-estate in the Southern Rhone Valley, landuse and planting history were retraced and the map of missing vines frequency was constructed from the whole time series including a 2015-Pléiades panchromatic band. Within-field terroir units were obtained from a support vector machine classifier computed on the spectral bands and NDVI of Pléiades images, EM38 data and morphometric data. Repeated spatial patterns of missing vines were highlighted throughout several plantings, uprootings, and vine replacements, and appeared to match some within-field terroir units, being explained by their specific soil characteristics, vine/soil management choices and the past landuse of the 1940s. Missing vines frequency was spatially correlated with topsoil CaCO3 content, and negatively correlated with topsoil iron, clay, total N, organic C contents and NDVI. A retrospective spatio-temporal assessment of terroir therefore brings a renewed focus on some key parameters for maintaining a sustainable grape production.

Emergência de plântulas de Schizolobium amazonicum Huber ex Ducke(CAESALPINACEAE em diferentes substratos e sombreamento1

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Juliano Costa Gondin

Full Text Available Paricá (Schizolobium amazonicum Huber ex Ducke é uma espécie da floresta amazônica que vem sendo intensamente utilizada nos programas de reflorestamento, tanto por ser de crescimento rápido como pelo bom comportamento em plantios homogêneos. O objetivo do trabalho foi avaliar a influência de substratos e sombreamento sobre a emergência e o vigor de plântulas de paricá. O delineamento experimental foi o inteiramente casualizado, com quatro repetições, em arranjo fatorial 10 x 2 (substrato e sombreamento. Os substratos comerciais utilizados foram casca de coco e terra vegetal, em mistura com casca de arroz, areia, pó de serra fresco e pó de serra curtido. Foram avaliados a emergência de plântulas, o índice de velocidade de emergência, o comprimento das raízes e da parte aérea, a matéria seca das raízes e da parte aérea, a frequência relativa e o tempo médio de emergência. Os substratos terra vegetal, casca de coco e casca de coco + areia em ambiente com 50% de sombreamento, e terra vegetal, terra vegetal + areia e casca de coco + areia a pleno sol proporcionaram os melhores resultados. A areia e o pó de serra fresco, ambos em mistura com casca de coco, podem ser usados na fase inicial de viveiro, devendo as mudas ser transplantadas para outro substrato ou o campo após 40 dias. A casca de arroz in natura não deve ser misturada com outros materiais para a utilização como substrato.

Modelo de atención familiar en salud bucal a los afiliados del dispensario del Seguro Social campesino la cantera, Parroquia San Plácido, Cantón Portoviejo, Provincia de Manabí. Septiembre/2013-Enero/2014

OpenAIRE

Palma Tejena, Juan Carlos

2014-01-01

En la parroquia San Plácido-Portoviejo, se ejecutó un proyecto de investigación, denominado “Modelo de atención familiar en salud bucal a los afiliados del dispensario del Seguro Social Campesino La Cantera, Parroquia San Plácido, Cantón Portoviejo, Provincia de Manabí. Septiembre/2013-Enero 2014” cuyo objetivo principal fue desarrollar una propuesta de modelo de atención domiciliaria en salud bucal, a fin de mejorar las coberturas de atención odontológica. Fue una investigación de tipo expl...

La Transfiguración de Rafael : un mito plástico

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Jesús Viñuales

2000-01-01

Full Text Available La carga mitológica de una obra de arte plástico (pintura especialmente se limita a la reproducción de un mito o leyenda mítica fijada anteriormente en lenguaje oral o como muciio escrito o literario. El artista reproduce el mito conocido según los cánones de la época y con el estilo personal que le caracterice, pero no «inventa», ni descubre ni «cuenta» un mito nuevo. Rafael en su obra «La transfiguración» creemos que es una excepción a esta regla presentándonos una mítica que no existía antes en las dos leyendas milagrosas bíblicas que narra el cuadro.The mythological charge in a work of plastic art, is límited to the reproduction of a myth or a mythical legend which has been previously fixed on oral language or bay far written or literary. The artist reproduces the known myth according  to the canon of the time and with the personal style which is characterísed by, but he doesn't invent, neither discovers  nor tells anew myth. In Rafael's work "The transfiguration»  we think that is an exception to this rule, it presents a myth which didn't exist before in the two Biblical miraculous legends that the painting tells.

AlgM4: A New Salt-Activated Alginate Lyase of the PL7 Family with Endolytic Activity

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Guiyuan Huang

2018-04-01

Full Text Available Alginate lyases are a group of enzymes that catalyze the depolymerization of alginates into oligosaccharides or monosaccharides. These enzymes have been widely used for a variety of purposes, such as producing bioactive oligosaccharides, controlling the rheological properties of polysaccharides, and performing structural analyses of polysaccharides. The algM4 gene of the marine bacterium Vibrio weizhoudaoensis M0101 encodes an alginate lyase that belongs to the polysaccharide lyase family 7 (PL7. In this study, the kinetic constants Vmax (maximum reaction rate and Km (Michaelis constant of AlgM4 activity were determined as 2.75 nmol/s and 2.72 mg/mL, respectively. The optimum temperature for AlgM4 activity was 30 °C, and at 70 °C, AlgM4 activity dropped to 11% of the maximum observed activity. The optimum pH for AlgM4 activity was 8.5, and AlgM4 was completely inactive at pH 11. The addition of 1 mol/L NaCl resulted in a more than sevenfold increase in the relative activity of AlgM4. The secondary structure of AlgM4 was altered in the presence of NaCl, which caused the α-helical content to decrease from 12.4 to 10.8% and the β-sheet content to decrease by 1.7%. In addition, NaCl enhanced the thermal stability of AlgM4 and increased the midpoint of thermal denaturation (Tm by 4.9 °C. AlgM4 exhibited an ability to degrade sodium alginate, poly-mannuronic acid (polyM, and poly-guluronic acid (polyG, resulting in the production of oligosaccharides with a degree of polymerization (DP of 2–9. AlgM4 possessed broader substrate, indicating that it is a bifunctional alginate lyase. Thus, AlgM4 is a novel salt-activated and bifunctional alginate lyase of the PL7 family with endolytic activity.

High-Resolution Infrared Spectroscopic Measurements of Comet 2PlEncke: Unusual Organic Composition and Low Rotational Temperatures

Science.gov (United States)

Radeva, Yana L.; Mumma, Michael J.; Villanueva, Geronimo L.; Bonev, Boncho P.; DiSanti, Michael A.; A'Hearn, Michael F.; Dello Russo, Neil

2013-01-01

We present high-resolution infrared spectroscopic measurements of the ecliptic comet 2P/Encke, observed on 4-6 Nov. 2003 during its close approach to the Earth, using the Near Infrared Echelle Spectrograph on the Keck II telescope. We present flux-calibrated spectra, production rates, and mixing ratios for H2O, CH3OH, HCN, H2CO, C2H2, C2H6, CH4 and CO. Comet 2P/Encke is a dynamical end-member among comets because of its short period of 3.3 years. Relative to "organics-normal" comets, we determined that 2PlEncke is depleted in HCN, H2CO, C2H2, C2H6, CH4 and CO, but it is enriched in CH3OH. We compared mixing ratios of these organic species measured on separate dates, and we see no evidence of macroscopic chemical heterogeneity in the nucleus of 2P/Encke, however, this conclusion is limited by sparse temporal sampling. The depleted abundances of most measured species suggest that 2P/Encke may have formed closer to the young Sun, before its insertion to the Kuiper belt, compared with "organics-normal" comets - as was previously suggested for other depleted comets (e.g. C/1999 S4 (LINEAR)). We measured very low rotational temperatures of 20 - 30 K for H2O, CH3OH and HCN in the near nucleus region of 2P/Encke, which correlate with one of the lowest cometary gas production rates (approx. 2.6 x 10(exp 27) molecules/s) measured thus far in the infrared. This suggests that we are seeing the effects of more efficient radiative cooling, insufficient collisional excitation, and/or inefficient heating by fast H-atoms (and icy grains) in the observed region of the coma. Its extremely short orbital period, very low gas production rate, and classification as an ecliptic comet, make 2PlEncke an important addition to our growing database, and contribute significantly to the establishment of a chemical taxonomy of comets.

Desenvolvimento e implementação de um sistema de custeio numa fábrica de embalagens plásticas

OpenAIRE

Cardoso, Diogo Silvério da Costa

2013-01-01

Dissertação de mestrado integrado em Engenharia e Gestão Industrial Na gestão de custos, o modelo de custeio tem um papel preponderante tendo como principal função fornecer informação para auxiliar a tomada de decisão. Devido à carência existente na indústria de uma aplicação eficaz dos sistemas de custeio, sentiuse a necessidade de desenvolver um projeto baseado numa solução aplicável à realidade de uma empresa produtora de embalagens plásticas. Apesar da grande diversidade...

PRODUCCION MÀS LIMPIA ( P+L): UNA ESTRATEGIA DE MEJORAMIENTO AMBIENTAL EN EL SECTOR ACEITERO DE COLOMBIA. ESTUDIO DE CASO

OpenAIRE

Mora, Sandra; Velasco, Stefany; Flórez Mojica, Gustavo Andrés

2017-01-01

 La producción más limpia es vista  como una estrategia empresarial orientada hacia  procesos productivos, de  productos y servicios, que fortalece la competitividad  y economía empresarial  mediante las innovaciones tecnológicas, reducción de costos  y  disminución de riesgos en aspectos de seguridad,  salud humana y medio ambiente. Es por ello, que la  incorporación de la P+L en las empresas del sector aceitero de Colombia, podría considerarse como una estrategia ambiental de gran valor a l...

Fita plástica e fita degradável na enxertia de citros Plastic and degradable tape on citrus budding

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Roberto Pedroso de Oliveira

2004-12-01

Full Text Available Este trabalho foi realizado com o objetivo de avaliar o efeito de fitas plástica e degradável no pegamento e no desenvolvimento de enxertos de citros, em viveiro telado. Borbulhas certificadas de 6-8 mm das cultivares de laranjeira-de-umbigo 'Navelina' (Citrus sinensis (L. Osbeck, tangerineira 'Marisol' (C. reticulata Blanco e do híbrido 'Nova' [C. clementina x (C. paradisi x C. tangerina ] foram enxertadas em limoeiro 'Cravo' (C. limonia Osbeck, com 10 meses de idade, em fevereiro de 2003. A fixação das borbulhas nos porta-enxertos foi feita com fitas de dois tipos: fita plástica de polietileno transparente e fita degradável de parafilme. Os tratamentos foram dispostos em esquema fatorial (3 cultivares x 2 tipos de fita, em delineamento inteiramente ao acaso, com quatro repetições, sendo as unidades experimentais constituídas por dez plantas. A média geral de pegamento dos enxertos foi elevada (99,6%, em razão das condições propícias à enxertia fornecidas no viveiro telado. Não houve efeito do tipo de fita no pegamento dos enxertos nem das cultivares no pegamento e desenvolvimento dos enxertos. No entanto, o desenvolvimento dos enxertos foi sensivelmente maior quando a enxertia foi realizada com fita degradável em relação à fita plástica.The aim of this work was to evaluate the effect of the plastic and degradable tape on budding efficiency and scion development of citrus in nursery under screenhouse. Certificated 6-8 mm buds of the cultivars navel orange 'Navelina' (Citrus sinensis (L. Osbeck, mandarin 'Marisol' (C. reticulata Blanco and the hybrid 'Nova' [C. clementina x (C. paradisi x C. tangerina ] were budded on 10 months rangpur lime (C. limonia Osbeck, in February 2003. The buds were attached to the rootstocks using either one of two types of tape: plastic polyethylene transparent tape and parafilm degradable tape. The experimental design was a factorial entirely randomized with 3 cultivars, 2 tape types and four

Estimativa do plastocrono em meloeiro (Cucumis melo L. cultivado em estufa plástica em diferentes épocas do ano

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Streck Nereu Augusto

2005-01-01

Full Text Available O meloeiro (Cucumis melo L. é uma hortaliça de alto valor econômico. A emissão de nós é um componente importante em modelos matemáticos de simulação do crescimento e desenvolvimento de culturas de hábito de crescimento decumbente como o meloeiro e outras cucurbitáceas. A emissão de nós pode ser calculada utilizando-se o conceito do plastocrono, que é o intervalo de tempo entre o aparecimento de nós sucessivos em uma haste de dicotiledôneas. Quando a soma térmica é usada como medida de tempo fisiológico em plantas, o plastocrono tem como unidades degreesC dia nó-1. Estudos anteriores mostraram que o plastocrono em meloeiro varia com o genótipo e a época de cultivo. Este trabalho teve por objetivo estimar o plastocrono em meloeiro transplantado em diferentes épocas de cultivo no interior de estufa plástica. Foram realizadas 12 épocas de semeadura e transplante no interior de uma estufa plástica de 10m X 25m, coberta com polietileno transparente de baixa densidade, localizada no Campo Experimental do Departamento de Fitotecnia da Universidade Federal de Santa Maria, RS. O híbrido utilizado foi o HY-MARK (grupo Cantaloupe. Em 12 plantas etiquetadas por época de transplante, contou-se o número de nós visíveis (NN na haste principal da planta duas vezes por semana. A soma térmica diária (STd, degreesC dia foi calculada levando-se em conta as temperaturas cardinais de aparecimento de nós em meloeiro (10, 34 e 45degreesC. A soma térmica acumulada (STa, degreesC dia, a partir da data de transplante das plântulas, foi calculada somando-se a STd. O plastocrono foi calculado como sendo o inverso do coeficiente angular da regressão linear entre NN e STa para cada época. O plastocrono calculado variou entre as épocas de cultivo de 13,4 a 21,8degreesC dia nó-1, com um valor médio de 18,6 (?2,3degreesC dia nó-1. Esta diferença de plastocrono entre as épocas de cultivo pode representar vários dias do calendário civil

Produção e características físico-químicas dos cachos da videira 'BRS Clara' sob cobertura plástica e sombrite em safra fora de época

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Lilian Yukari Yamamoto

2012-03-01

Full Text Available Devido às condições climáticas favoráveis à ocorrência de doenças fúngicas em uvas de mesa, tem-se buscado a adoção de tecnologias que propiciem a redução nos custos de produção, sendo uma alternativa o cultivo de uvas sob cobertura plástica. O objetivo deste trabalho foi avaliar a produção e as características físico-químicas dos cachos da videira 'BRS Clara' enxertada sobre o porta-enxerto IAC-766 'Campinas', em cultivo protegido durante a safra fora de época, visando à redução da aplicação de fungicidas para o controle do míldio. Os experimentos foram realizados em pomares comerciais localizados em Uraí e Marialva-PR. As videiras foram conduzidas no sistema latada, em espaçamento de 4,0 x 4,0 m, em Uraí, e de 2,0 x 5,0 m, em Marialva. O delineamento experimental foi o inteiramente casualizado, com dois sistemas de cultivo protegido (sob cobertura plástica e sob sombrite e sete repetições. No experimento conduzido em Uraí, não foram verificadas diferenças entre os sistemas de cultivo protegido quanto às características produtivas e químicas das bagas, como o teor de sólidos solúveis totais, índice de maturação e pH. Verificou-se a ocorrência do míldio somente nas folhas, sendo a incidência e a severidade menor nas videiras sob cobertura plástica (0,5 e 0,02%, respectivamente. Em Marialva, também não houve influência das coberturas nas características produtivas das videiras. Entretanto, o teor de sólidos solúveis totais das bagas sob cobertura plástica foi superior em relação àquelas sob sombrite (19,6 e 17,2ºBrix, respectivamente. Não foi detectada a ocorrência de míldio em nenhum dos sistemas de cultivo protegido nessa localidade. Conclui-se que o uso da cobertura plástica permite a redução do número de aplicações de fungicidas para o controle do míldio, sem alterar as características produtivas da uva 'BRS Clara'.

77 FR 15555 - Freedom of Information Act and Privacy Act Procedures

Science.gov (United States)

2012-03-16

... Freedom of Information Act and Privacy Act Procedures AGENCY: Special Inspector General for Afghanistan... Freedom of Information Act (FOIA) and the Privacy Act of 1974. These procedures will facilitate public..., Freedom of information, Privacy. Authority and Issuance For the reasons set forth above, SIGAR establishes...

Návrh marketingového plánu firmy Zoko pro vstup na Německý trh

OpenAIRE

Šmídová, Anna

2015-01-01

Diplomová práce se zabývá sestavením marketingového plánu pro vstup na Německý trh pro firmu Zoko. Firma Zoko je malá česká firma operující ve strojírenském průmyslu s výhradním zákazníkem v Rakousku. Na základě teoretických podkladů a analýze současného stavu, práce představuje marketingové návrhy jak vstoupit na nový trh. The thesis deals with proposing a marketing plan for company Zoko to enter German market. Zoko is a small Czech company operating in the metalworking industry with an e...

77 FR 36170 - TSCA Inventory Update Reporting Modifications; Chemical Data Reporting; 2012 Submission Period...

Science.gov (United States)

2012-06-18

... is not intended to be exhaustive, but rather provides a guide for readers regarding entities likely... U.S.C. 2607(a). Under section 553(b)(3)(B) of the Administrative Procedure Act (APA), 5 U.S.C. 553(b..., under APA section 553(d), 5 U.S.C. 553(d), the Agency may make a rule immediately effective ``for good...

76 FR 64115 - Privacy Act of 1974; Privacy Act System of Records

Science.gov (United States)

2011-10-17

... NATIONAL AERONAUTICS AND SPACE ADMINISTRATION [Notice (11-092)] Privacy Act of 1974; Privacy Act... retirement of one Privacy Act system of records notice. SUMMARY: In accordance with the Privacy Act of 1974, NASA is giving notice that it proposes to cancel the following Privacy Act system of records notice...