971 resultados para Integral graphs


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This study aims to analyzing the implementation of the Matrix Support proposal with professionals of Substitutive Services in Mental Health in the city of Natal/RN. The Matrix Support (MS) is an institutional arrangement which has been recently adopted by the Health Ministry, as an administrative strategy, for the construction of a wide care net in Mental Health, deviating the logic of indiscriminate follow-through changed by one of co-responsibility. In addition to this, its goal is to promote a major resolution as regards health assistance. Integral attention, as it is intended by the unique health system, may be reached by means of knowledge and practices interchange, establishing an interdisciplinary work logic, through an interconnected net of health services. For the accomplishment of this study, individual interviews of semi-structured character were used as instrument, with the coordinators and technical staff of the CAPs. The data collection was done in the following services: CAPS II ( East and West) and CAPS ad ( North and East), in the city of Natal/RN. The results point out that the CAPs to initiate of the discussion the process in the implementation of the MS aiming, to promote the reorganization and redefinition of the flow in the net, thus not acting in a fragmented way. Nevertheless, there is no effective articulation concerning the basic attention services, there is a major focus of the attention in mental health on the specialized services, little insertion in the territory and in the everyday life of the community

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Block diagrams and signal-flow graphs are used to represent and to obtain the transfer function of interconnected systems. The reduction of signal-flow graphs is considered simpler than the reduction of block diagrams for systems with complex interrelationships. Signal-flow graphs reduction can be made without graphic manipulations of diagrams, and it is attractive for a computational implementation. In this paper the authors propose a computational method for direct reduction of signal-flow graphs. This method uses results presented in this paper about the calculation of literal determinants without symbolic mathematics tools. The Cramer's rule is applied for the solution of a set of linear equations, A program in MATLAB language for reduction of signal-flow graphs with the proposed method is presented.

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The play operator has a fundamental importance in the theory of hysteresis. It was studied in various settings as shown by P. Krejci and Ph. Laurencot in 2002. In that work it was considered the Young integral in the frame of Hilbert spaces. Here we study the play in the frame of the regulated functions (that is: the ones having only discontinuities of the first kind) on a general time scale T (that is: with T being a nonempty closed set of real numbers) with values in a Banach space. We will be showing that the dual space in this case will be defined as the space of operators of bounded semivariation if we consider as the bilinearity pairing the Cauchy-Stieltjes integral on time scales.

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In this paper, we extend the use of the variance dispersion graph (VDG) to experiments in which the response surface (RS) design must be blocked. Through several examples we evaluate the prediction performances of RS designs in non-orthogonal block designs compared with the equivalent unblocked designs and orthogonally blocked designs. These examples illustrate that good prediction performance of designs in small blocks can be expected in practice. Most importantly, we show that the allocation of the treatment set to blocks can seriously affect the prediction properties of designs; thus, much care is needed in performing this allocation.

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A self-contained discussion of integral equations of scattering is presented in the case of centrally symmetric potentials in one dimension, which will facilitate the understanding of more complex scattering integral equations in two and three dimensions. The present discussion illustrates in a simple fashion the concept of partial-wave decomposition, Green's function, Lippmann-Schwinger integral equations of scattering for wave function and transition operator, optical theorem, and unitarity relation. We illustrate the present approach with a Dirac delta potential. (C) 2001 American Association of Physics Teachers.

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The recently introduced dressed coordinates are studied in the path-integral approach. These coordinates are defined in the context of a harmonic oscillator linearly coupled to massless scalar field and it is shown that in this model the dressed coordinates appear as a coordinate transformation preserving the path-integral functional measure. The analysis also generalizes the sum rules established in a previous work. (c) 2006 Elsevier B.V. All rights reserved.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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

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The generalized temperature integral I(m, x) appears in non-isothermal kinetic analysis when the frequency factor depends on the temperature. A procedure based on Gaussian quadrature to obtain analytical approximations for the integral I(m, x) was proposed. The results showed good agreement between the obtained approximation values and those obtained by numerical integration. Unless other approximations found in literature, the methodology presented in this paper can be easily generalized in order to obtain approximations with the maximum of accurate.

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

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Este artigo analisa uma política pública que foi implementada em São Paulo, Brasil, entre os anos de 1986 e 1993. Este programa público, chamado Profic - Programa de Formação Integral da Criança -, procurou estender o tempo de permanência das crianças pobres na escola e expandir as condições para seu melhor desempenho na aprendizagem. Os autores escolheram uma abordagem incrementalista e usaram conceitos clássicos da análise de políticas, tais como atores, policy community, policy network, partizan mutual adjustment, entre outros. Ao mesmo tempo tentaram considerar as condições políticas que envolveram, então, esse processo de policy making.

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Cento e dez amostras de 11 diferentes marcas de leite ultra alta temperatura (UAT), comercializadas em São José do Rio Preto - SP, foram submetidas à contagem de microrganismos heterotróficos mesófilos viáveis e à pesquisa de bactérias do grupo do Bacillus cereus. A população de microrganismos mesófilos variou de <1,0´10² UFC/ml a >1,0´10(6) UFC/ml. Bactérias do grupo do Bacillus cereus foram verificadas em 13 (11,8%) amostras. Os resultados evidenciaram elevada população de microrganismos indicadores mesófilos.

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Esse trabalho visou investigar o efeito da idade de aves sobre a digestibilidade dos nutrientes da soja integral extrusada (SIE), soja integral tostada à vapor (SITV) e farelo de soja com óleo (FSO) na produção de enzimas digestivas do pâncreas. Cinco ensaios de digestibilidade foram conduzidos com frangos de corte de uma, duas, três, quatro e seis semanas de idade. Foi utilizada a metodologia de coleta total de excretas. A atividade das enzimas amilase e tripsina pancreática aumentou linearmente com a idade das aves, assim como o crescimento alométrico do pâncreas. A maior taxa de crescimento ocorreu na segunda semana, coincidindo com a fase de maior aumento da atividade das enzimas digestivas. Entretanto, para a atividade da lipase, o efeito da idade foi diferente para cada alimento. Para aves alimentadas com SITV, a atividade dessa enzima cresceu linearmente com a idade, enquanto nas alimentadas com SIE, FSO e ração, o efeito foi quadrático. Os coeficientes de digestibilidade da matéria seca e extrato etéreo e os valores de energia metabolizável dos tipos de sojas variaram em proporções diferentes em função da idade. Também, observou-se correlação positiva entre a digestibilidade do extrato etéreo e a atividade de lipase. Os valores de energia metabolizável aparente corrigida (EMAn) e verdadeira corrigida (EMVn) determinados para a SIE apresentaram comportamento quadrático em função da idade, ocorrendo aumento da energia metabolizável (EM) até a 3ª semana de idade e diminuindo a partir da 4ª semana. Entretanto, a em da SITV, FSO e da ração não foi afetada pela idade da ave. O aproveitamento da energia dos alimentos varia com a idade das aves, em função de sua dependência da atividade enzimática.

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It is a well known result that the Feynman's path integral (FPI) approach to quantum mechanics is equivalent to Schrodinger's equation when we use as integration measure the Wiener-Lebesgue measure. This results in little practical applicability due to the great algebraic complexibity involved, and the fact is that almost all applications of (FPI) - ''practical calculations'' - are done using a Riemann measure. In this paper we present an expansion to all orders in time of FPI in a quest for a representation of the latter solely in terms of differentiable trajetories and Riemann measure. We show that this expansion agrees with a similar expansion obtained from Schrodinger's equation only up to first order in a Riemann integral context, although by chance both expansions referred to above agree for the free. particle and harmonic oscillator cases. Our results permit, from the mathematical point of view, to estimate the many errors done in ''practical'' calculations of the FPI appearing in the literature and, from the physical point of view, our results supports the stochastic approach to the problem.