143 resultados para Testes de Passeio Aleatório


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In laboratory tests, just following the manufacturer’s instructions of materials or equipments may not be enough to obtain reliable data. Thus, intra and inter-examiners studies may be required. The aim of this study was to illustrate the application of the Intraclass Correlation Coefficient (r) in a study related to the color changing and hardness of composite resin conducted by two examiners. The color and hardness of 10 specimens of composite resin were evaluated by a colorimetric spectrophotometer and hardness tester, respectively, at two different times. Two trained examiners performed two measurements with an interval of one week. Specimens were stored in artificial saliva at 37±1ºC for 7 days. The Intraclass Correlation was used for analysis of intra and inter-examiner reproducibility. The intra-examiner reproducibility was 0.79, 0.44 and 0.76 for L, a and b color coordinates for the examiner 1 and 0.84, 0.23, 0.21 for examiner 2. For hardness, r-values were 0.00 and 0.23 for the examiner 1 and 2, respectively, showing unsatisfactory agreement on color and hardness evaluation for both examiners. It was noted that only the observation of protocol for use of equipment and examiners training were not sufficient to collect reliable information. Thus, adjustments in the experimental protocol were made and devices were produced to standardize the measurements. The reproducibility study was performed again. For examiner 1, values as 0.90, 0.59 and 0.79 were verified for L, a and b coordinates and, for examiner 2 were obtained values of 0.90, 0.75, 0.95. In relation to hardness, r-values of 0.75 and 0.71 were obtained for examiners 1 and 2, respectively. The inter-examiner reproducibility was 0.86, 0.87, 0.91 for L, a and b coordinates and 0.79 for hardness. It was concluded that intra and inter-examiner calibration is essential for obtaining quality measurements in laboratory tests.

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

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This work consists in the creation of a multimedia product online, and is entitled Esse tal de brincar. The content is presented in the form of informative journalistic texts and brings the play as an essential process for child development, with an impact on adult life. Has the general objective to demonstrate the relevance of the importance of play in children's education. The methodology procedures of bibliographic search and documents for the construction of the theoretical basis were used. Besides the choice of themes, interviews, investigation and journalistic writing were used in production. The research that support the whole discussion is given through interviews, videos and other publications on childhood, education and the play itself. The platform chosen for this was the Wix® and were created the visual identity, such as layout, logo, color distribution, highlights, photos and videos. The publication seeks to achieve parents and educators with the intention of raising awareness about the importance of play in early childhood through informative content

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The Italian writer Antonio Tabucchi (Pisa-1943, Lisbon-2012) is considered by the critic as one of the most representative voices in the contemporary European literature. The Literature, according to Tabucchi, exerts a fundamental role in society and it, still according to the writer, must cause disquietude, evoke doubts, raise questions and not tranquilize people’s mind. Thereby, it’s noticed that it’s one of the reasons why the tabucchian narrative incessantly dialogues with Luigi Pirandello’s and Fernando Pessoa's poetics, establishing a great fictional game in wich the people, the truths, the history and the world are shown, at the least, duplicated.

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Pós-graduação em Odontologia Restauradora - ICT

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

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Engenharia Mecânica - FEG

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The aim of this work was to analyze the acute oral toxicity and the effects on intestinal motility of the extract obtained through decoction 20% (m/v) of Endopleura uchi, popularly known as "uxi-amarelo", a native plant from the Brazilian Amazon. The plant is used indiscriminately against several diseases: arthritis, cholesterol, diabetes, ulcers, myomas, and intestinal illnesses in general, among others. The present results show that there were no significant alterations in intestinal motility and that the extract does not present signs of toxicity, showing its safety for consumption purposes.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Desenvolvimento Humano e Tecnologias - IBRC

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Animais idosos podem mostrar dificuldades de aprendizagem e queda no desempenho de atividades que exigem a memória. O declínio no aprendizado e na memória pode ser demonstrado em cães já aos 7 anos de idade, usando uma variedade de testes neuropsicológicos. Diferentes testes vêm sendo desenvolvidos para avaliar o aprendizado e os diferentes sistemas de memória em cães, os quais são uma medida mais objetiva e mais sensível que a avaliação do dono, já que mensuram o aprendizado e a memória ao invés de observações clínicas. Por meio do uso destas provas, muitos avanços têm sido realizados no entendimento da disfunção cognitiva em animais de companhia e no desenvolvimento de agentes terapêuticos que sejam efetivos no aperfeiçoamento do aprendizado e da memória e no tratamento da síndrome da disfunção cognitiva em cães idosos. O presente trabalho tem como objetivo dissertar acerca da execução de diferentes testes cognitivos que vêm sendo realizados em cães, o tipo de memória avaliada por estes e expor alguns resultados obtidos com experimentos prévios.