885 resultados para Visão tridimensional


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Pós-graduação em Odontologia Preventiva e Social - FOA

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The present study is in reference to precast concrete (panels) walls as the main structural system. The diversification of the structural systems is a reality due to specific characteristics', as a result there is a lack of study and analysis. Some systems are already established in their applications, for instance: conventional reinforced concrete, structural masonry, metal structures, and wood structure. Apart from this precast concrete elements has had a growth in building sites in Brazil, therefore professionals should be more aware. Affordable house funding initiatives to address the housing shortage has been recurrent throughout the country, additionally precast concrete walls has been an alternative that meets the three basic concepts of engineering, which are: the technique, economy, and security. The objective of this study is to gather concepts from the literature and TOMO (2012) about precast concrete walls and make a didactic synthesis of how they are viewed. The modeling structure method of the system was performed following the concept of assigning bars, using the computer program of calculations SAP2000. Initially will be presented a theoretical part, furthermore a case study to illustrate the sizing of the walls using EXCEL tables programmed with calculation routine. The results will be presented in calculated efforts by the program for further analysis. Finally, will be highlighted important items of modeling and interpretation of the results

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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A culture of resistance in the semi-arid, expressed by mentalities and values, goes against the economic potential of sheep and goat raising, considered as an inferior activity when compared to the cattle raising, historically linked to social status and prestige. This paper attempts to shed light on aspects that make possible to clarify the roots of the cognitive apparatus that supports this view, resorting to it to the production of relevant authors dealing with the issue of displacement of colonizer and livestock in the hinterlands. Ultimately, it seeks evidence of the influence of the historical process of economic and social organization of space on the present.

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Objective The aim of this study was to evaluate repair after endodontic surgery using two- and tridimensional imaging methods. Materials and methods Periapical radiographs and cone beam computed tomography (CBCT) were performed before the surgeries and after 48 h (baseline), 4 months, and 8 months. The area (square millimeters) of periapical lesions in CBCT and in radiographs was compared regarding the percentage of repair. In the CBCT, multiple areas were converted to volume. Repeated-measures analyses and paired t tests (α=0.05) were used to compare the methods. Correlation coefficients were calculated between the periods of evaluation within the CBCT volumetric analysis. Bland-Altman plots were used to compare the methods, based on the 95 % limits of agreement for the difference of the means. Results Baseline showed a larger lesion volume (192.54 mm3 ) than 4-month (79.79 mm3 ) and 8-month (47.51 mm3 ) periods. No differences were found in the percentage of repair in the first 4 months and after 8 months. The volumetric analysis showed a higher percentage of repair when the first and last 4 months were compared. No differences were found in the percentage of repair by area in the CBCTs. Repair of 73 % was obtained after 8 months. Similar results were observed by the Bland-Altman agreement analyses. Conclusions The percentage of repair varied after 8 months, when lower values were obtained by volumetric evaluation. Clinical relevance Considering the outcome at follow-up periods over 4 months, tridimensional evaluation by CBCT is more capable of determining the absence of periapical bone repair than conventional two-dimensional radiographs. Therefore, the use of CBCT would be suggested only for more complex cases with slower evolution of repair or for the association of factors that make prognosis difficult after surgery.

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As an alternative to improve the adaptation of prefabricated posts in flared canals and weakened roots, the option is for relining prefabricated pin, known as a technique of anatomical post. This technique, which can be made with composite resin increases the adjustment post to the walls of the canal and reduces the cementing line, causing the retaining post is less dependent on the mechanical properties of the cementing agent. This article aims to provide an overview of anatomical posts, specifically in the last two decades, based on studies extracted from Scielo, Scopus and Pubmed, referring to the following terms of MeSH Data Base: custom made fiber post, indirect fiber glass posts, root canal therapy and post and core tecnique. According to the literature review in this article, it can be concluded that this technique has been used by several authors and has been shown effective and promising, it creates an individualized retainer with better adaptation and decreased mechanical imbrication cementing line .

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Pós-graduação em História - FCHS

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

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Ciência da Computação - IBILCE

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The present study has as its main purpose the investigation of teachers'view concerning the teaching and learning of basketball in Physical Education classes in a school setting. The selected teachers who participated in this survey come from public and private institutions in the city of Volta Redonda, RJ, Brazil, teaching 6th-9th grade classes of elementary school. This was a quantitative and qualitative study with content analysis. Data collection included interviewing 60 teachers who provided their opinions on the issue investigated. Development of basketball was investigated not only as a content for the Physical Education classes, but also as a dimension that goes beyond school boundaries, where that sport plays an important role in society. Joint actions to provide the opportunity for basketball to grow as a content for Physical Education classes may represent a way to describe its implementation in all contexts, although the importance of this discipline in the school setting should not be disregarded in favor of obtaining results in sports competitions.

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Este estudo, de natureza qualitativa, teve por objetivo investigar os aspectos relevantes que direcionam a opção e a organização das atividades propostas durante as vivências com recreação, aplicadas no âmbito do lazer por profissionais coordenadores de hotéis, de acampamentos e atuantes do programa Super-férias oferecido pelo SESI (Sistema S, focalizando-se, especificamente, o SESI de Rio Claro). Para tanto, o estudo constituiu-se da união de pesquisa bibliográfica e pesquisa exploratória, durante a qual foi utilizada entrevista semi estruturada, como instrumento para coleta de dados. Os dados foram analisados descritivamente, por meio da técnica de Análise de Conteúdo Temático, tendo sido criados 3 eixos temáticos: Intervenção Profissional, Atividades Recreativas e Participantes. Os resultados apontam para a necessidade de um perfil geral e específico, para atuar com recreação, sendo que algumas características surgem como primordiais,como, pró atividade, responsabilidade e boa comunicação. Notou-se que existem carências na atuação profissional, às vezes, devido à qualificação, seja, em âmbito acadêmico, seja, dentro dos próprios estabelecimentos, que utilizam métodos de treinamento que ocasionam na perda dos aspectos pedagógicos inerentes às atividades, tendo em vista que, embora os elementos pedagógicos estejam presentes, eles não são compreendidos, pelos profissionais, em sua totalidade, tornando a atuação do profissional praticista. Quanto à elaboração de atividades recreativas, percebeu-se a presença de alguns valores educacionais, porém, nem sempre permeiam efetivamente durante a prática profissional. Notou-se ainda, nas atividades, a existência de estruturas básicas, com objetivos pré-estabelecidos, organização e execução planejados. Quanto à renovação do programa de atividades notou-se que esta acontece semestralmente visando apresentar novidades aos participantes. Pode-se...

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Mixed Martial Arts (MMA) is one of the most popular sports in the world, but it is a new sport and there are few studies on its historical process. The television appearances and the new medias show a sport that changes in each event, presenting an image of the current spectacle and of the spectacle of consumption. The purpose of this study is to explore and analyze the historical process and the creation of MMA, how it came out and the reasons that have led the sport to be as popular as it is today

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O presente trabalho realiza um estudo referente à Geometria Tridimensional, no que tange a sua metodologia apresentada nos livros didáticos de Matemática. Esse instrumento tem passado por um processo de avaliação mais rigoroso nas últimas décadas pelos órgãos governamentais para a promoção do livro com qualidade o que é importante, porém uma análise crítica de seus conteúdos é essencial para que esse instrumento torne-se adequado a cada realidade e um aliado no planejamento do educador no processo de ensino e aprendizagem da Geometria. Essa disciplina é considerada por vários autores e especialista da educação como um conhecimento muito pertinente para a formação integral do aluno, ao proporcionar o desenvolvimento do raciocínio visual, espacial e lógico, abrangendo também a formação cultural e profissional. Nesse sentido, considerando a importância da escolha de um livro adequado e coerente para a qualidade desse ensino, objetivouse com esse estudo realizar uma análise e reflexão sobre os conteúdos da Geometria Tridimensional apresentada em dois livros didáticos de matemática do 5º ano do ensino fundamental submetidos aos critérios eliminatórios do Programa Nacional do Livro Didático - PNLD (2013) e aprovado pelo Ministério da Educação. Mediante levantamento bibliográfico da literatura pertinente e análise de documentos oficiais foi possível verificar que os mesmos apresentaram progressos em alguns aspectos atendendo de forma parcial as propostas atuais para esse ensino demonstrando que ainda precisam evoluir