1000 resultados para Sistema produtivo disperso


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Agronomia (Produção Vegetal) - FCAV

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Pós-graduação em Agronomia (Produção Vegetal) - FCAV

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O objetivo desse artigo é apontar e discutir algumas lições deixadas pelo PROAMBIENTE, programa federal de apoio ao fortalecimento da agricultura familiar na Amazônia brasileira. O local de realização da pesquisa foi o polo transamazônico localizado na região de integração do Xingu, estado do Pará. Através de entrevistas aplicadas aos agricultores familiares, assim como a atores institucionais que participaram do período em que o programa esteve na região (2002 - 2006), chegou-se a um conjunto de lições que devem ser consideradas para o êxito de programas que visem o desenvolvimento rural. São elas: i. Necessidade de seleção de agricultores com real interesse e capacidade de assumir riscos; ii. Eliminação da cultura assistencialista; iii. Prioridade de atividades chaves: o caso do pagamento por serviços ambientais; iv. Utilização de uma nova abordagem do sistema produtivo; v. Assistência técnica e extensão rural com enfoque inovador; vi. Fortalecimento das organizações rurais locais; vii. Investimento na verticalização da produção; viii. O cuidado na geração de expectativas.

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Este estudo foi realizado para identificar como a Polícia Militar media os conflitos sociais no campo paraense, apontando caminhos para que ela consiga ser instrumento de redução de desigualdades sociais e não um mecanismo de perpetuação dessas disparidades, tomando como necessidade analisar o papel do poder político, que deveria ser o irradiador das determinações no sentido da proteção social, mas que acaba, principalmente por omissão, deixando essa corporação policial à mercê da influência da força econômica dos grandes latifundiários, que não raras vezes usam a violência como forma de manter as estruturas estabelecidas. Observou-se que a Polícia Militar age basicamente como um instrumento de força, muitas vezes estando a serviço de elites agrárias que, por intermédio da violência, perpetuam um sistema produtivo excludente e concentrador de recursos. Verificou-se ainda a necessidade de se estabelecer uma cultura de mediação que seja transformadora da realidade institucional, de modo que o descrédito da Corporação seja ultrapassado, aproximando-se verdadeiramente da comunidade como um serviço público.

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Pós-graduação em Genética e Melhoramento Animal - FCAV

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Pós-graduação em Engenharia Mecânica - FEG

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In the last years, the maintenance took an essential role inside the productive system. Plan and manage the maintenance actions in an efficient way, are vital activities for higher production availability. This paper presents an application of a Multicriteria Decision Analysis method in a chemical industry, willing to priories a plan action for the reduction of the maintenance cost. The method used was the PROMETHEE II, with it the results were obtained through the softwares Microsoft Excel and Decision Lab

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In a globalized world, organizations face an increasingly dynamic, innovative and competitive environment, so that this condition requires continuous adaptation to market developments. Intense competition requires organizations to further improve their performance, making productive efficiency a key factor for survival. A methodology that has added value to the product through a reconfiguration of the production method is the implementation of a management philosophy called Lean Six Sigma. The main objective of this work is, in the light of the Lean Six Sigma philosophy, intervene in a critical-collaborative way to develop procedures for analyzing the profitability of products in a company specializing in steel processing. To achieve this goal, were applied the method of action-research to intervene in a group of professionals for the study of the profitability of products in a auto parts industry. The interaction of practical and theoretical knowledge provided by the action-research allowed the business program was enhanced. The procedures proposed in this study were able to identify the current profitability of the product, the main causes of inefficiency and productive for solutions to reduce production inefficiencies, when the productive systems planned and actual production system were compared. The results indicate that current profitability of -3%, while the parameter provided during budget was 10%. Thus, it is concluded that the low profitability of the products may compromise the company's financial results and affect their competitiveness in the market. To address this problem, the Lean Six Sigma presents itself as a versatile and high applicability philosophy, providing relevant results for characterization and troubleshooting. It was also observed that the evidence presented in this paper can be adapted to other companies in the metal auto parts segment to identify and recover the profitability of products

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Understanding the influence of vinasse application on trash decomposition and its effects on soil chemical attributes and sugar cane culture is essential for the good management of the production system. The objective of this study was to assess the time of decomposition and nutrient cycling of the green ratoon cane's trash, and their effects on soil fertility and technological components of crops, in terms of vinasse doses. The study was developed in the northwest region of Sao Paulo State - Brazil, under Eutrophic Ultisol, using the RB855453 variety. The experimental design was randomized blocks with split plot in time. The treatments were composed of four doses of vinasse (0, 50, 100 and 200 m(3) ha(-1)). There was a 20.9% reduction in the amount of crop residue remaining after one year review. The vinasse doses increased the ratoon cane's yield, without interfering in the raw material quality. The green cane system, in which the trash is deposited on the soil and vinasse application, changes the dynamics of the trash decomposition and modifies the soil fertility, contributing positively to the crop yield.

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The use of legumes intercropped with forage in the Brazilian savannah (Cerrado) region is an alternative to reverse the process of pasture degradation. The natural phosphorus deficiency in this region and the high retention capacity of this nutrient in the soil are factors that directly affect the sustainability of the production system. The objective of this study was to evaluate the effect of a phosphate with medium solubility (Arad) compared to more soluble sources such as triple superphosphate and mono-ammonium phosphate, on the formation and maintenance of pastures of Andropogon gayanus with or without the introduction of Stylosantes guianensis in pasture already established in the Brazilian savannah. Two experiments were carried out under field conditions in an Oxisol using a randomized block design with split plots, plots with two sources of phosphorus (Arad and super-triple or MAP) and subplots with different levels of phosphorus. The study showed that andropogon grass, even though characterised as forage requiring low fertilization, responded to increased fertilization, especially with the use of more soluble sources of P at planting. From the second year on, with the introduction of Stylosantes guianensis, verified effects were seen on legumes in their efficiency of utilization of residual fertilization from the first year; however, this didn't affect legume dry matter production resulting from the P sources used for the andropogon grass. The mixed stands of andropogon grass and Stylosantes guianensis made it more advantageous to increase the P sources using phosphate fertilizer with lower solubility (Arad), when compared to MAP.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The article argues about the problematic of the technological modernization of the productive system, from years 80 and intensified in the 90, and its effect on the behavior of the labor market based in the state of the Bahia. From the few Demographic data of Census 2000 by the IBGE an analysis of the Bahia state force of work was affected mainly on the variable as employment, wage profit, race, sort and years of studies. The data show, among others questions, a labor market with a low-level of education and low wages with strong exclusion in relation to the race and sort.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)