126 resultados para equivalência eletromecânica


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The objective of this work was to evaluate the productive and economic performance of Arabica coffee and macadamia nut intercropping, under rainfed and drip-irrigation conditions, as well as the financial viability of treatments in three coffee price scenarios. A completely randomized design was used, with six treatments (rainfed sole coffee, irrigated sole coffee, rainfed coffee-macadamia nut intercropping, irrigated coffee-macadamia nut intercropping, rainfed sole macadamia nut, and irrigated sole macadamia nut) and ten replicates. The productivity, the area equivalency index, and the economic outcomes of the treatments were evaluated in three coffee price scenarios. Drip irrigation and intercropping increased coffee and macadamia nut yields, in comparison to rainfed monocultures, and generally promoted the same productivity as the coffee irrigated monocultures, as well as higher productivity than the macadamia nut irrigated monocultures. The combined use of intercropping and drip irrigation promotes land-use efficiency 5-fold greater than the averages of rainfed monocultures. Irrigated intercropping promotes higher profitability and faster return on investment, making it a viable alternative, especially in periods of lower coffee prices.

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Pós-graduação em Engenharia Elétrica - FEIS

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

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Pós-graduação em Matemática Universitária - IGCE

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Drawing an equivalence analogy between the subjects of style and the ornamentation, the study leans on Aloïs Riegl's theory in order to sketch an anthropological reflection for the appearance of the design and some of their respective confluences with the art. Enriched by the progresses that the psychology of the visual perception provided to the contemporary understanding for the artistic representation, and consequently of this historicity, breaks of the hypothesis that this appearance has given in a process naturally evolutionary, aiming at to supply an inherent human need.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This study aimed to establish a calibration model of a TDR equipment to determinate thewood moisture of Grevillea robusta (Cunn.). It was selected alleatory, 11 logs of Grevillea robusta (Cunn.), it was dried in a regulate electric greenhouse at 40o C. During the dry process, the moisture was determinate, periodically and systematically by gravimetric and TDR methods. Through the gravimetric method, moisture vary from 125,88% to 6,62% while the TDR method, the variation was from 119,83% to 5,79%. The best model adjusted to the wood moisture in the determination of the function of relative dielectric constant, using this technique, was the exponential 50,20 132,72 140,27 K U e − = − ⋅ , with a R2 = 0,96, with indicator of trust or performance 0,97 they were classified as very good, according to Camargo and Sentelhas (1997). The correlation between the gravimetric method (reference) and TDR, showed to be equivalent for both methodologies. It was concluded that the TDR can be used to the determination of wood moisture of Grevillea robusta (Cunn.), in a precise and fast way, once it was established it calibration.

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Fundamentados na interação estética entre conteúdo e forma, visa-se delinear uma relação de equivalência frente aos fenômenos da percepção e da expressão. A partir da análise da interação percepção-expressão inserida na natureza humana, seres orgânicos complexos dotados de consciência, objetiva-se estender a questão tanto aos seres orgânicos mais simples, como até mesmo aos inorgânicos, a fim de generalizar tal interação à realidade em si como é experienciada.

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This paper presents a definition of universal logic in a strictly settheoretic environment and compares logical and topological properties in this abstract environment. From these properties, we verify the etymology of the more common names given for evolved properties, and so we establish the precedence or equivalence among them.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Psicologia do Desenvolvimento e Aprendizagem - FC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)