999 resultados para Equação - diferencial - atraso


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Pós-graduação em Engenharia Elétrica - FEIS

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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 Biometria - IBB

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

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Introduction: The neuropsicomotor development could be negatively affected by several factors occurred in the pre, peri and pos natal period. The early stimulation is implemented by a set of dynamic activities which aim the child development according to the child’s phase. Objective: The purpose of this study was to analyze the functional skills acquisition in the self care area in children with development delay. Participated of this study 9 caregiver of children aged of 0 to 3 years with delay neuropsicomotor. Method: For the data collect was used the self-care area of the Pediatric Evaluation of Disability Inventory (PEDI) in the version adapted for Brazil. The data collect was performed in two different stages, with an interval of 6 months between the collects. The raw score were transformed in continuous score by the Rasch statistics, then was applied the Shapiro-Wilk and t-student test. Results: The participants obtained a signifi cant higher score in the second stage than in the fi rst (p<0,01). Conclusion: The results of the present study suggests that the early stimulation could be an important intervention in the process of self-care skills acquisition in children with neuropsicomotor delay.

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The platinosomiase is a disease the hepatobiliary system of domestic felines being caused by trematode Platynosomum fastosum. The life cycle of the parasite includes the presence of three intermediate hosts (snails, terrestrial isopodes, lizards or frogs). The cat is considered definitive host of the parasite and acquires the infection eating a vertebrate intermediate host containing metacercariae. The adult parasites generally inhabit the liver, gallbladder and bile ducts of cats. The severity of clinical manifestations depends mainly on the number of flukes in the biliary tract. Many animals are asymptomatic or exhibit nonspecific clinical manifestations such as anorexia, lethargy, weight loss, vomiting and diarrhea. In large infestations can occur biliary obstruction resulting in jaundice, cirrhosis, hepatitis cholangiohepatitis and even death. The definitive diagnosis is accomplished through by the detection of fluke eggs in feces or through laparotomy and liver biopsy. Treatment should be based on the use of anthelmintic for the elimination of the parasite and supportive therapy for the animal. Prevention is difficult due to predatory nature of the cat. The control can be accomplished through periodic fecal examinations

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The present work has as its goal to treat well known and interesting unidimensional cases from quantum mechanics through an unusual approach within this eld of physics. The operational method of Laplace transform, in spite of its use by Erwin Schrödinger in 1926 when treating the radial equation for the hydrogen atom, turned out to be forgotten for decades. However, the method has gained attention again for its use as a powerful tool from mathematical physics applied to the quantum mechanics, appearing in recent works. The method is specially suitable to the approach of cases where we have potential functions with even parity, because this implies in eigenfunctions with de ned parity, and since the domain of this transform ranges from 0 to ∞, it su ces that we nd the eigenfunction in the positive semi axis and, with the boundary conditions imposed over the eigenfunction at the origin plus the continuity (discontinuity) of the eigenfunction and its derivative, we make the odd, even or both parity extensions so we can get the eigenfunction along all the axis. Factoring the eigenfunction behavior at in nity and origin, we take the due care with the points that might bring us problems in the later steps of the solving process, thus we can manipulate the Schrödinger's Equation regardless of time, so that way we make it convenient to the application of Laplace transform. The Chapter 3 shows the methodology that must be followed in order to search for the solutions to each problem

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A determinação da composição corporal pode ser utilizada para evidenciar diversos fatores entre eles a dieta, o uso de drogas, a incidência de patologias, diferenças genética, nível de treinamento, gênero e idade. No modelo de natação para ratos a composição corporal pode ter um papel determinante na intensidade de exercício, uma vez que os animais utilizados podem apresentar diferentes densidades corporais. Nesse sentido, o objetivo do presente projeto baseia-se na possibilidade de desenvolver uma equação para estimar o volume corporal de ratos sedentários a partir da relação linear entre peso e volume corporais (r=1,00) encontrada em estudos anteriores. Dessa forma, tornando prático e viável o uso da densidade corporal para precisa determinação da intensidade de exercício em estudos que utilizam a natação como ergômetro de exercício animal. Para isso serão utilizados 105 Rattus norvegicus albinus da linhagem Wistar, os quais serão avaliados em um estudo longitudinal que consiste em avaliações a cada 30 dias, a partir dos 60 até 240 dias de idade, para a determinação do volume corporal através de pesagens hidrostáticas, do índice de lee e análise da composição química da carcaça. Com isso, espera-se poder derivar uma equação para estimar o volume corporal dentro de toda a faixa de idade utilizada ou, no caso não seja encontrada uma relação linear entre peso e volume corporais entre ratos de diferentes idades, o desenvolvimento de várias equações para estimar o volume corporal em faixas etárias. Além disso, a composição química da carcaça dos mais será determinada na tentativa de validar o método de pesagem hidrostática e buscar eventuais correlações entre os parâmetro corporais (volume corporal, peso corporal, índice de lee e densidade) e os componentes de gordura, massa magra, água e proteína dos animais

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Pós-graduação em Agronomia (Genética e Melhoramento de Plantas) - FCAV

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The microcytic and hypochromic anemia are the results of several pathologic conditions. They are the most prevalent forms of anemia in the Brazilian population , and frequently the clinical diagnosis depends on the laboratorial analysis. In many cases it is necessary to use specific techniques to determine if this anemia is due to iron deficiency or different types of thalassemia. This article shows the main technical applications used for differential diagnosis of microcytic and hypochromic anemia.

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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)