181 resultados para GNC difusa


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Engenharia Mecânica - FEG

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Pós-graduação em Agronomia (Energia na Agricultura) - FCA

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The excess of salts in the soil can directly affect the development and yield of the plants, therefore, studies on water relationships of crops in such conditions are necessary to prevent or solve the problem. The study was conducted in a greenhouse at Universidade Estadual Paulista, Department of Agricultural Engineering, Botucatu, Brazil. The statistical design used was randomized blocks with four replications, consisting of five levels of soil salinity (1.0, 3.0, 6.0, 9.0, 12.0 dS m-1), two cultivars of sugar beet (Early Wonder and Itapuã) and two types of management of fertigation, totaling in all 80 plots. Measurements of water content of the leaves, diffuse resistance to water vapor, transpiration, leaf area and the water consumption of crop were determined. There was a decrease according to increasing salinity for the analysed physiological parameters in the Early Wonder variety while for the Itapuã variety a gradual increase was observed up to a salinity of 6 dS m-1. The water consumption by plants showed a reduction with increase of soil salinity for the two varieties.

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This essay is intended for an analysis of the principal's duties in São Paulo State school, considering the conceptions of Administration specialists, Education professionals and the legal directives pertinent to the State government. It was interesting the procedures of rereading and analyzing of the literature of the area; the survey and analysis of legal documents which, direct or indirectly, concern the principal's duty and the accomplishment, transcription and analysis of half elaborated interviews with administrators and teachers. At the end of this research, it was found some contradictions in the conception of School Administration like it is diffused in different contexts, which anyway reflects the conceptions of the respondents.

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Pós-graduação em Engenharia Elétrica - FEIS

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Pós-graduação em Engenharia Elétrica - FEIS

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Pós-graduação em Matemática - IBILCE

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Pós-graduação em Engenharia Mecânica - FEG