975 resultados para 2k-1c


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The in vitro mycelial growth of Lentinula edodes strains LE-95/01 and LE-96/18 were evaluated in solid culture media prepared with sawdust extracts from seven eucalyptus species (E. saligna, E. grandis, E. urophylla, E. pellita, E. paniculata, E. citriodora, and E. camaldulensis) and three eucalyptus clones (E. grandis × E. urophylla hybrids). Evaluations were made every 48 hours by means of colony diameter measurements (mean of four transversely-oriented measurements), during ten days of incubation in the dark at 25ºC ±1°C. The experimental design consisted of randomized blocks, and treatment means were compared by Tukey test. The culture medium prepared from E. citriodora sawdust extract was the most promising to grow L. edodes strains LE-96/18 and LE-95/01. L. edodes strain LE-96/18 presented the fastest mycelial growth after incubation for ten days, regardless of sawdust extract type used in the culture medium.

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Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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There is a need for ongoing evaluation of the researchers not only engineering and production in all areas of knowledge engineering. To check the quality and veracity of scientific production, the CNPq is a brazillian government agency designed to evaluate researchers, classify them and give the encouragement and incentive for their research. This study quantifies the CNPq researchers in the field of Production Engineering according to the time of operation in research, number of guidelines for masters and doctoral, number of articles in national and international journals or magazines and congresses. The classification of these researchers, according to the proposed quantification, is confronted with the level of research they have in CNPq. The researcher starts his career at level 2, after it spending levels for 1D, 1C, 1B reaches to the highest level 1A. The main conclusion to be drawn from this study is that excellent researchers with a significant number of guidelines, bitter years in the early levels because of the rules of the CNPq which only allows a researcher to achieve the highest levels after many years of research

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Sucrose esters are biodegradable, non pollutant and safe for health; moreover, they have shown great potential in the pest control. We tested a crude mix of sucrose esters on the survivorship and oviposition of Calacarus heveae Feres (Acari: Eriophyidae) females, an important rubber tree pest mite. The females were collected from rubber leaflets of the GT 1 and RRIM 600 clones. The mites were kept on stock arenas placed in rearing chamber at 28 + 0,1°C, 80 + 10% of relative humidity and 12h of light phase about two weeks before the assays. After this period, the mites were transferred to assay arenas made with leaflets from the same clone of stock arenas. The survivorship of females sprayed with sucrose esters in the concentrations of 1, 2, 3 and 4 g/L and their oviposition effect with 0.5 and 1 g/L were analyzed. The mites sprayed with 4 g/L had about 80% of mortality, while those with 1 g/L around 60%. All mites that died in the treatments with sucrose ester became dark with wrinkled tegument and decreased their body volume, suggesting dehydration. We also observed the efficacy of 1 g/L concentration to decrease the female oviposition in about 50%, in the third day after spraying. No differences were observed in the mortality and oviposition between females kept on both clones.

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Um código BCH C (respectivamente, um código BCH C 0 ) de comprimento n sobre o anel local Zp k (respectivamente, sobre o corpo Zp) é um ideal no anel Zpk [X] (Xn−1) (respectivamente, no anel Zp[X] (Xn−1) ), que ´e gerado por um polinômio mônico que divide Xn−1. Shankar [1] mostrou que as raízes de Xn−1 são as unidades do anel de Galois GR(p k , s) (respectivamente, corpo de Galois GF(p, s)) que é uma extensão do anel Zp k (respectivamente, do corpo Zp), onde s é o grau de um polinômio irredutível f(X) ∈ Zp k [X]. Neste estudo, assumimos que para si = b i , onde b é um primo e i é um inteiro não negativo tal que 0 ≤ i ≤ t, existem extensões de anéis de Galois correspondentes GR(p k , si) (respectivamente, extensões do corpo de Galois GF(p, si)) do anel Zp k (respectivamente, do corpo Zp). Assim, si = b i para i = 2 ou si = b i para i > 2. De modo análogo a [1], neste trabalho, apresentamos uma sequência de códigos BCH C0, C1, · · · , Ct−1C sobre Zp k de comprimentos n0, n1, · · · , nt−1, nt , e uma sequência de códigos BCH C 0 0 , C0 1 , · · · , C0 t−1 , C0 sobre Zp de comprimentos n0, n1, · · · , nt−1, nt , onde cada ni divide p si − 1. Palavras Chave: Anel de Galois, corpo de Galois, código BCH.

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Pós-graduação em Engenharia Elétrica - FEIS