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| Registros recuperados: 9.409 | |
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| OLIVEIRA, V. Q. de; PEREIRA, A. M. L.; PARENTE, R. R.. |
| Construída em 1968 pela Companhia Hidrelétrica de Boa Esperança (COHEBE) e posteriormente transferido para a Companhia Hidrelétrica do São Francisco (CHESF), a Barragem Boa Esperança esta localizada no município de Guadalupe - PI, mas sua bacia hidrográfica abrange o total de 7 municípios em dois estados: Guadalupe, Porto Alegre do Piauí, Antônio Almeida e Uruçuí no estado do Piauí e São João dos Patos, Nova Iorque e Benedito Leite no estado do Maranhão. A barragem possui um volume total de 5,085 bilhões m³ e possui a capacidade instalada de produzir 237.300 kW de energia. Devido ao impacto nas comunidades locais pela construção da Barragem, a Chesf ficou com uma dívida social com estas comunidades e em 2007 firmou um Acordo de Cooperação com a Embrapa... |
| Tipo: Artigo de divulgação na mídia (INFOTECA-E) |
Palavras-chave: Barragem Boa Esperança; Tecnologias de Produção; Pesca. |
| Ano: 2017 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1102127 |
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| Yang,Weichao; Han,Litao; Mandlaa,Mandlaa; Zhang,Haihong; Zhang,Zhongze; Xu,Hui. |
| Abstract A new plate method was developed for rapid screening of Ketogulonicigenium vulgare mutants overproducing 2-keto-l-gulonic acid (2-KLG). The screening methodology took the advantage of the acidity caused by 2-KLG, which changes the color of bromothymol blue (pH indicator) from blue to yellow. Using the proposed method, a mutant, K. vulgare 65, was selected from 20,000 colonies produced by a strain subjected to spaceflight mutagenesis. When co-cultured with Bacillus megaterium 2980 in 20-L fermenters, K. vulgare 65 showed a high conversion rate (94.45%) of l-sorbose to 2-KLG. In contrast to the traditional screening method, this one significantly improved the frequency of obtaining positive mutants. The proposed plate screening method is... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ketogulonicigenium vulgare; PH indicator; Rapid screening; Spaceflight mutation; 2-Keto-l-gulonic acid. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822017000300397 |
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| WISBECK,ELISABETH; FACCHINI,JEAN M.; ALVES,ENDI P.; SILVEIRA,MARCIA L.L.; GERN,REGINA M.M.; NINOW,JORGE L.; FURLAN,SANDRA A.. |
| ABSTRACT Fungi of Pleurotus genus have attracted a great interest due to their medicinal properties such as anti-inflammatory, antimicrobial and antitumor. These properties are attributed mainly to polysaccharides synthesized by Pleurotus. This work aimed to study the mycelial growth of P. ostreatus in submerged culture, evaluating the influence of the initial concentration of substrate (20 and 40 g/L of glucose) and the pH (4 and 6) on kinetic parameters of production of biomass. The effectiveness of different doses (10, 30 and 50 mg/kg) of a mycelium polysaccharide fraction extracted from P. ostreatus in reducing Sarcoma 180 development in mice was also verified. In the range of this study, maximum concentration of mycelial biomass (about 12.8 g/L) was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antitumor Activity; Mycelium; Pleurotus ostreatus; Polysaccharides; Sarcoma 180. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000502013 |
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| AGUIAR,RAQUEL R. DE; VALE,DANIELA F.; SILVA,RENATO M. DA; MUNIZ,YOLANDA P.; ANTUNES,FERNANDA; LOGULLO,CARLOS; OLIVEIRA,ANDRÉ L.A.; ALMEIDA,ADRIANA J. DE. |
| ABSTRACT Ischemia is responsible for many metabolic abnormalities in the heart, causing changes in organ function. One of modifications occurring in the ischemic cell is changing from aerobic to anaerobic metabolism. This change causes the predominance of the use of carbohydrates as an energy substrate instead of lipids. In this case, the glycogen is essential to the maintenance of heart energy intake, being an important reserve to resist the stress caused by hypoxia, using glycolysis and lactic acid fermentation. In order to study the glucose anaerobic pathways utilization and understand the metabolic adaptations, New Zealand white rabbits were subjected to ischemia caused by Inflow occlusion technique. The animals were monitored during surgery by pH and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Gene expression; Glycogen; Ischemia; Myocardium; Rabbit. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000401683 |
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| PAIVA,DERISVALDO R.; LIMA,DÊNIS P. DE; AVVARI,NAGA P.; ARRUDA,EDUARDO J. DE; CABRINI,ISAIAS; MARQUES,MARIA RITA; SANTOS,EDSON A. DOS; BIAGGIO,FRANCISCO C.; SANGI,DIEGO P.; BEATRIZ,ADILSON. |
| ABSTRACT Cardanol is a constituent of Cashew Nut Shell Liquid that presents larvicidal activity against Aedes aegypti. The isolation of cardanol is somewhat troublesome, however, in this work we describe an efficient and inexpensive method to obtain it as a pure material. The compound was used as starting material to make chemical transformation leading to saturated cardanol, epoxides and, halohydrins. These derivatives were tested for toxicity against Aedes aegypti larvae. The results showed that iodohydrins are very promising compounds for making commercial products to combat the vector mosquito larvae presenting a LC50 of 0.0023 ppm after 72 h of exposure. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aedes aegypti; Insecticide; Larvicide; Phenolic lipids; CNSL. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000200373 |
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| Mesquita,Geisa Lima; Zambrosi,Fernando César Bachiega; Cantarella,Heitor. |
| ABSTRACT We propose an approach for assessing the efficiency of coating materials on controlling nitrogen (N) availability to plants. It is based on the use of coated and soluble urea (UR) applied to corn over 3 growing cycles, as follows: coated UR with longevity of 2 (UR-2m) or 4 months (UR-4m) with application of 900 mg N∙pot−1 at the beginning of the experiment, soluble UR with a split application of 900 mg N∙pot−1 (300 mg N∙pot−1 per growing cycle, UR-3x), soluble UR with a sole application of 900 mg N∙pot−1 at the beginning of the experiment (UR-1x), and a control treatment. At the end of each growing cycle, shoots were harvested to estimate N provision by the UR by quantifying dry matter (DM) and N uptake. In the first cycle, UR-2m and UR-4m... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coating; Fertilizer efficiency; Nitrogen fertilizer; Nutrient uptake. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052017000200311 |
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| Marques,Pedro Rocha; Peripolli,Vanessa; Lampert,Vinícius do Nascimento; Dias,Eduardo Antunes; Pereira,Gabriel Ribas; Oliveira,Tamara Esteves de; Rocha,Marcela Kuczynski da; Barcellos,Júlio Otávio Jardim. |
| ABSTRACT The objective of this study was to identify types of production system and their main indicators on bioeconomic efficiency, using qualitative and quantitative methods to evaluate beef cattle farms in the western region of the state of Rio Grande do Sul. A survey was carried out with 43 farmers operating in the western region of that state. All farms operated with complete cycle production systems in areas larger or equal to 900 ha. A qualitative questionnaire with binary answers and a quantitative questionnaire with numerical answers were applied. Technology and Management drivers were used for the calculation of the efficiency index of farmers obtained by both questionnaires. Farmers were divided into three clusters: low-efficiency level (LEL),... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Beef cattle farmers; Clusters analysis; Efficiency; Evaluation methods. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000100065 |
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| Lanzieri,Tatiana M.; Cunha,Clóvis Arns da; Cunha,Rejane B.; Arguello,D. Fermin; Devadiga,Raghavendra; Sanchez,Nervo; Barria,Eduardo Ortega. |
| Abstract Objectives: To estimate acute otitis media incidence among young children and impact on quality of life of parents/caregivers in a southern Brazilian city. Methods: Prospective cohort study including children 0-5 years of age registered at a private pediatric practice. Acute otitis media episodes diagnosed by a pediatrician and impact on quality of life of parents/caregivers were assessed during a 12-month follow-up. Results: During September 2008-March 2010, of 1,136 children enrolled in the study, 1074 (95%) were followed: 55.0% were ≤2 years of age, 52.3% males, 94.7% white, and 69.2% had previously received pneumococcal vaccine in private clinics. Acute otitis media incidence per 1000 person-years was 95.7 (95% confidence interval:... |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Acute otitis media; Children; Incidence; Quality of life. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702017000400468 |
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| Pastagens naturais e cultivadas: Alimentação do rebanho é fator decisivo na qualidade e diferenciação da carne; Melhoramento genético: Boa adaptação e melhoramento de linhagens europeias diferenciam região na produção de carne; Sanidade animal: Tecnologia e conhecimento para controlar problemas como o carrapato e a verminose; Reprodução: Técnicas aumentam eficiência reprodutiva dos rebanhos; Diferenciação da carne: Estratégias agregam valor e ressaltam qualidade da carne; Pecuária Sustentável: Emissão de metano da pecuária no Pampa é menor que as estimativas do IPCC; Boas Práticas Agropecuárias: Programa BPA é ferramenta para tornar propriedade mais organizada e rentável; Artigo: Contexto, desafios e oportunidades para diferenciação e valorização da carne... |
| Tipo: Outras publicações técnicas (INFOTECA-E) |
Palavras-chave: Carne; Gado de corte; Alimentação; Carrapato; Verminose; Eficiência reprodutiva. |
| Ano: 2017 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1074554 |
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| Puillandre, Nicolas; Tenorio, Manuel J.. |
| Molecular phylogenies of cone snails have revealed that the c. 350 sequenced species are divided into four main lineages, Conus, Conasprella, Californiconus and Profundiconus. In a recent study, minute species (less than 8 mm) were for the first time included in a molecular phylogenetic tree and were shown to correspond to deep lineages, of similar status to the four previously recognized, and sister group to Californiconus. They were attributed to the available generic names Lilliconus and Pseudolilliconus. In this article, we analyse, using morphological (shell and radula) and molecular characters (cox1 gene), several species of minute cone snails, and we conclude that the species considered as Pseudolilliconus in the previous study should actually be... |
| Tipo: Text |
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| Ano: 2017 |
URL: https://archimer.ifremer.fr/doc/00476/58802/61529.pdf |
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| Camargo Filho,Waldemar P; Camargo,Felipe P. |
| ABSTRACT In the biennium 2013-14, the world produced 1,134.27 million tons of vegetables annually. The production of garlic, onion, potato, tomato and watermelon accounted for 66.5% of the total. Brazil, in 2012, considering 40 vegetables, produced around 23 million tons, in 900.0 thousand hectares. Potatoes, tomatoes (table and processing), onions, watermelons, carrots, sweet potatoes, lettuce and cabbage, the main vegetables in Brazil, accounted for 64.0% of the total. This work presents the evolution of production, commercialization, and availability of garlic, onions, potatoes, tomatoes and watermelons in Brazil and in the world. In Brazil, the work focused on two distinct periods: 1970-1990 {when the Support Program for Production and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cultivated area; Production; Public policies; Garlic; Onion; Potato; Tomato; Watermelon.. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362017000200160 |
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| Registros recuperados: 9.409 | |
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