995 resultados para Distribuição de Poisson
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Engenharia Elétrica - FEIS
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Pós-graduação em Química - IQ
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Pós-graduação em Química - IQ
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Pós-graduação em Engenharia Mecânica - FEG
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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In Brazil, the proliferation phenomenon of gated communities and land lots had its origins in big cities, such as Rio de Janeiro and Sao Paulo, since 1970. The implementation of these types of intramural housing are done in expanding are as of the city, based on the availability of bigger lots, lower land prices, and the search for are as closer to nature. The gated communities and land lots that, initially, had their architecture only accessible to the higher social classes, as a second home alternative away from urban problems, nowadays they can be reached by other social classes as well. Gated communities and land lots find their way to the center of larger cities, sustained mostly by the speech of real state entrepreneurs, and by its social “status”, a new emerging characteristic of this time period. The expansion of gated communities and land lots also change the cities lands cape and social spatial configuration. This work, therefore, attends the localization of gated communities and land lots spread out in the city of Rio Claro. It analyzes the scale in which the dynamics of the city’s urban expansion influenced the current distribution of these types of housing
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This study linked the outbreak of dengue fever occurred in the state of São Paulo in 2007 and the sharp decline in cases reported in the year following the change of El Niño to La Niña. Therefore, raised temperature data for the months of January, February and March 2007 and 2008, recorded in 99 countie, which have allowed maps mean isotherms, maximum and minimum for each of the summers...
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Biological processes are complex and possess emergent properties that can not be explained or predict by reductionism methods. To overcome the limitations of reductionism, researchers have been used a group of methods known as systems biology, a new interdisciplinary eld of study aiming to understand the non-linear interactions among components embedded in biological processes. These interactions can be represented by a mathematical object called graph or network, where the elements are represented by nodes and the interactions by edges that link pair of nodes. The networks can be classi- ed according to their topologies: if node degrees follow a Poisson distribution in a given network, i.e. most nodes have approximately the same number of links, this is a random network; if node degrees follow a power-law distribution in a given network, i.e. small number of high-degree nodes and high number of low-degree nodes, this is a scale-free network. Moreover, networks can be classi ed as hierarchical or non-hierarchical. In this study, we analised Escherichia coli and Saccharomyces cerevisiae integrated molecular networks, which have protein-protein interaction, metabolic and transcriptional regulation interactions. By using computational methods, such as MathematicaR , and data collected from public databases, we calculated four topological parameters: the degree distribution P(k), the clustering coe cient C(k), the closeness centrality CC(k) and the betweenness centrality CB(k). P(k) is a function that calculates the total number of nodes with k degree connection and is used to classify the network as random or scale-free. C(k) shows if a network is hierarchical, i.e. if the clusterization coe cient depends on node degree. CC(k) is an indicator of how much a node it is in the lesse way among others some nodes of the network and the CB(k) is a pointer of how a particular node is among several ...(Complete abstract click electronic access below)
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Nao disponivel
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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In a highly competitive environment for manufacturers and retailers in the garment sector, flexible solutions for warehousing, distribution and exhibition of products directly influence the cost and responsiveness to market demands. This work refers to a Textile/Clothing, which undergoes a process of restructuring and growth, where we evaluated the need for professionalism in all its processes, so that the high demands were met in a sales perennial. Thus, this study aims to identify and analyze possible improvements in the process of transition from a logistics/manufacturing force in a Textile/Clothing in existence since 1998, located in São Paulo, a framework for a new logistics Center Distribution Logistics. The theoretical basis of the research literature addresses as Distribution Center and its basic functions, layout and performance indicators. As result it was mapped the current logistics processes, contributing directly to the development of the layout of the new Distribution Center. Have also been established KPI,s ( Key Performance Indicator) and Logistics Performance Indicators showing the actual process performance, helping professionals in make decisions
Ocorrência e distribuição espacial de mamíferos não-voadores em reflorestamento no sudeste do Brasil
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The Conservation in countrysides landscapes only it will be understood in the context of the habitat fragmentation that have been affected the species richness, abundance and distribution. We carried out a mammal survey in platation forest at São Paulo State and 8 we discussed the species richness comparing with others sites surveyed elsewhere. We investigate the landscape influence in the mammal species distribution through spatial analysis. The absence of primate species in plantation forests appear to be a pattern for this environments. The species richness was similar among areas and it was higher when there have contiguous native forest remnants. Moreover the landscape interference don’t appeared affect the mammal species distribution. In overview the landscape connectivity is ameliorate with forest plantation. However, those species more susceptible to extinction in fragmented landscape only can persist when there are contiguous forest fragments from the plantation forests. The management of plantation forests can improves the conservation value for medium and large size mammals species at countryside landscapes.
Padrões de Enterramento Associados à Distribuição Larval e Predação Intraguilda em Moscas-Varejeiras
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Um dos fatores mais estudados recentemente em populações de moscasvarejeiras importantes para a Entomologia Forense é a dispersão larval. A dispersão é um importante processo para o ciclo das moscas-varejeiras, já que durante esse período as larvas deixam o substrato alimentar procurando um lugar apropriado para se enterrarem, e se tornarem pupas e adultos. Moscas-varejeiras também exibem geralmente intensa atividade interativa, sobretudo durante o período larval, competindo por recursos alimentares e/ou agindo como predadora intraguilda, principalmente no caso específico de Chrysomya albiceps. Estas interações têm resultado no declínio de espécies nativas. Neste estudo pretende-se investigar o comportamento larval de Chrysomya megacephala e C. albiceps, concentrando-se na análise da dispersão larval pós-alimentar em sítios previamente ocupados por pupas, para avaliar se a presença prévia de pupas da mesma e de espécie diferente pode influenciar os padrões de dispersão larval
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