926 resultados para 12930-027
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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The goal of this research was to characterize written stories, produced by students, without complaint of language development (oral and written), from pictographic support. In a specific way, it has been searched, in those stories, elements that could grant coherence, applying that performance with the participants’ profile variables. It was characterized as a descriptive-exploratory study, held at a rural municipal school in the State of Parana. Twenty-one (21) students of both genders and ages between seven and nine years old have participated in this study. Data collection consisted of two narratives requests: one oral, after being released, to the child, four pictures placed in sequence to form a story, and one written. This writing production had been taken for the analysis. The results have indicated that most children (71.42%) managed to produce coherent stories, seventeen (80%) in story 1 and thirteen (61%) in story 2. As to the relation of that coherence with the students’ profile in story 1, there has been no statistically significant association, for none of the analyzed variables (gender, age and education), whereas there has been a statistically significant association with gender in story 2 (p-value 0.027). It is considered that the use of the pictographic support in developing stories have been confirmed as a facilitating strategy for its construction, for it has enabled the production of coherent narratives.
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The influence of the environment on psychomotor development of children is evidenced in many studies. Many factors can threaten children’s development and hinder the children with regard to functional activities. Objective: The objective of this research was to investigate the possible effects of urban and rural environment on the functional performance of children under six years old. Methods: The study included 30 children divided into two groups, one group consisted of 15 children of both genres with a mean age of 44.13 ± 20.97 months, residing in urban area and another for 15 children, both sexes with a mean age of 44.33 ± 20.91 months, residing in rural areas. All were tested using functional Pediatric Evaluation of Disability Inventory (PEDI), which is based on an evaluation trial, conducted through structured interviews with those responsible for the child. This test outlines the functional profi le of children in three performance areas: self-care, mobility and social function, evaluated in three parts (functional skills, caregiver assistance and modifi cations to the environment). In this study we used the parts I (funcional skills) and II (caregiver assistance) in three areas: self-care, mobility and social function. The collected data were analyzed by means of the Mann - Whitney test, with the level of signifi cance at p ≤ 0.05. Results: The results show no signifi cant difference in the areas of self-care and mobility, both in relation to functional abilities when the caregiver assistance. In the area of social function, there was a lower performance of children living in rural areas, in functional abilities (p = 0.027) and caregiver assistance (p = 0.028). Conclusion: Based on this information, we can conclude that children who live in rural areas have a worse development of the social functions of children living in urban areas.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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We report, for the first time to our knowledge, experimental results on pedestal waveguides produced with Yb3+/Er3+ codoped Bi2O3-WO3-TeO2 thin films deposited by RF Sputtering for photonic applications. Thin films were deposited using Ar/O-2 plasma at 5 mTorr pressure and RF power of 40 W on substrates of silicon wafers. The definition of the pedestal waveguide structure was made using conventional optical lithography followed by plasma etching. Propagation losses around 2.0 dB/cm and 2.5 dB/cm were obtained at 633 and 1050 nm, respectively, for waveguides in the 20-100 mu m width range. Single-mode propagation was measured for waveguides width up to 10 mu m and 12 mu m, at 633 nm and 1050 nm, respectively; for larger waveguides widths multi-mode propagation was obtained. Internal gain of 5.6 dB at 1530 nm, under 980 nm excitation, was measured for 1.5 cm waveguide length (similar to 3.7 dB/cm). The present results show the possibility of using Yb3+/Er3+ codoped Bi2O3-WO3-TeO2 pedestal waveguide for optical amplifiers. (C) 2014 Elsevier B.V. All rights reserved.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Agronomia - FEIS
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Pós-graduação em Ginecologia, Obstetrícia e Mastologia - FMB
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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In this work, an electrode chemically modified with polypyrrole (PCME) was employed for determination of sulfate in ethanol fuel using a FIA system. The PCME was prepared by polymerization of pyrrole at a glassy carbon electrode by means of cyclic voltammetry technique. An analytical curve from 1.0 x 10−5 to 8.0 x 10−5 mol L−1 was obtained in flow injection system based on the PCME. An amperometric sensibility of 2.3 x 10−3 A mol−1 L and a detection limit of 2.5 x 10−6 mol L−1 were achieved. The proposed method was employed for determination of sulfate ions in commercial samples of ethanol fuel. The results were in good agreement with those obtained by the ionic chromatographic method.
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Pós-graduação em Educação - FFC
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Pós-graduação em Fisioterapia - FCT