611 resultados para Matematicos - Biografia


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Pós-graduação em Artes - IA

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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In this paper, we discuss the intellectual trajectory of Nadia Battella Gotlib – teacher, researcher and critic of Brazilian Literature whose work stands out for its approach to women’s artistic production and also the relationship between literature and biography.

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This article analyses some of Machado de Assis’ newspaper chronicles written in 1878 for O Cruzeiro. We intend to show that behind their extremely free literary composition, those texts show the author’s deepest critical point of views. Respecting the narrator fictional status, we are trying to see, as carefully as this subject demands on us, the man behind the journalist.

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Pós-graduação em Matemática Universitária - IGCE

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Pós-graduação em Letras - FCLAS

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Aluminum alloys have shown great potential for the automotive industry, especially aluminum alloys 6xxx series. This category has good mechanical strength and excellent corrosion resistance, important for the areas of construction and transport. The automotive industry has always shown great interest in the study of fatigue behavior, because structural components are subjected to cyclic and vibration loads, generating cracks and fracturing. The mechanical response depends on the material properties, applications, surface condition and microstructure. In this work was study the fatigue behavior of high cycle of machined bodies (not polished) and the effect of roughness on the fatigue life for three aluminum alloys of 6xxx series: AA6005, AA6351 and AA606, all in the T6 condition . S / N curves were made from fatigue tests in rotating bending (R = -1). The influence of roughness was studied by measuring the roughness of each specimen. Was compare the fatigue behavior of polished specimen and not polished specimens. The fractured surfaces of samples were observed by MEV, and it was observed that most of nucleation sites for fatigue crack is initiated below the surface

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

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The purpose of this work was the study of numerical methods for differential equations of fractional order and ordinary. These methods were applied to the problem of calculating the distribution of the concentration of a given substance over time in a given physical system. The two compartment model was used for representation of this system. Comparison between numerical solutions obtained were performed and, in particular, also compared with the analytical solution of this problem. Finally, estimates for the error between the solutions were calculated

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Pós-graduação em Letras - FCLAS

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Pós-graduação em Engenharia Elétrica - FEIS

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Pós-graduação em Engenharia Elétrica - FEIS

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This article aims to analyze the political and educational conceptions of Renato Jardim, intellectual who participated actively in Brazilian educational and political scenario in the early decades of XXth century. He was responsible for educational reform initiatives and had an active participation in major debates on education that occurred at that time. The methodology is the traditional analyses of bibliography. In addition to literature specialized in this theme, this work uses the author’s autobiography published in 1946 and four books of his own published between 1932 and 1936. In political area, it examines his arguments concerning the government stated by Getúlio Vargas in 1930 and the constitutionalist movement of 1932. In educational area, the work analyses his ideas regarding the introduction of psychoanalysis in pedagogical practices and his thoughts in search of a definition for the concept of New School.