828 resultados para Three dimensions
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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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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Pós-graduação em Fisioterapia - FCT
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Under different perspectives of interpretation and analysis, the notions of localism and universalism in the fictional production of Guimarães Rosa have been strongly explored by the criticism, especially in Grande sertão: veredas [The devil to pay in the backlands], in which these two dimensions – overlapped and complementary – become more intricate and profuse. Taking the analytical line of historical, social and political dimensions of the novel for granted – not regarding it as an essay or strict allegory of the country – the present study proposes a new reading of the composition with the interpretation of the articulation of these two dimensions in the forming of the “jagunço system” (ROSA, 1970, p.391), that is a concept created by Guimarães Rosa and which transcends the historical and sociological reality. The articulation of the social, political and cultural elements figure in Guimarães Rosa’s fiction and becomes an issue for wider debates and reflections, so that the particular element of the novel enables a universal survey. Based on diverse critical apprehensions of the novel, this paper aims to investigate the levels of the literary composition in which the local-universal articulation associated with the representation of the jagunço is constructed. In order to do that, the theoretical study is based on three dimensions of studies: a) critical essays about Guimarães Rosa, the totality of his work and specific critical essays about Grande sertão: veredas [The devil to pay in the backlands] and the “jagunço system”, b) theoretical apparatus concerning the history, the politics and the Brazilian culture related to the cangaço; and c) theoretical subsidies for the study of the narrative
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The increasing demand for productivity and quality in companies has converged to a common point: reducing costs. In this context the present work aims at the development of a mechanical press which is designed for pressing polar hydrogenerators coils with salient pole in field facilitating the assembly of the poles in the plant, as well as reforms especially in hydrogenerators, reducing significantly the transport costs. With security in mind as well as reduced costs, a study was made of the materials to be used as it was applied a methodology for calculating the correct choice of safety factor to be used in the device. Through mechanical calculations were dimensioned critical items of the device as the diameter of the rods as well as the minimum thickness of the base of the device must have so that it does not break threaded shear in the region by applying the total load of traction on the risers implementation of the pressing. All compression loading device will be through the application of torque on the nuts of bolts in this way was defined by calculations the required torque for each nut so that you can reach the pressure specified in the design specifies. The modeling of the device was made using the INVENTOR™ program in conjunction with the program ANSYS ™. These programs have created designs in three dimensions, assembly and simulation of stress analysis in components of the device
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The characters of O mulato, Casa de pensão and O cortiço, well written books by the writer Aluísio Azevedo, may be considered predominantly flat, for they were built with a single or few features. This kind of character can be even defined by the type, which represents certain dominant features (professional, psychological, cultural, economic, religious, etc.) from the diegetic universe in which the action takes place. This character subcategory is present in certain artistic periods such as Realism and Naturalism, and can be understood as the main character between the individual and the collective, between the concrete and the abstract. Yet, the social space, in the novels of the above mentioned literary movements configures itself, especially in terms of the presence and types of extras: it is about describing environments that illustrate, almost always, in a historical period context of critical intent, vices and deformations of the society, as we can see depicted in the three novels of the author. In turn, the narrative categories that most decisively influence the space representation are the instance (the narrator) and the narrative perspective (focusing). In the case of O mulato, Casa de pensão and O cortiço, the dominance is in choosing the omniscient narrator, who prefers a panoramic view, limited to an exterior and strictly objective description. The survey was developed through readings, literary cataloging and corpus discussions, with a theoretical basis determined by three dimensions: a) critical essays about the author and his works, such as those by Jean-Yves Mérian, Aluísio Azevedo, vida e obra: (1857-1913) and parts of the literature histories which deal with Naturalism, such as those by Alfredo Bosi, História concisa da literatura brasileira, b) theoretical studies about the novel character, such as those by Antonio Candido, A personagem do romance, and the romantic space ...
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Memory, the ability of keeping and remembering past states of consciousness and everything that could be associated with them, is one of the human properties responsible for the construction of experience, knowledge and preservation of individual’s identity. However, recalling is also the way we keep relationships with time, factor that is essential and inherent to our existence and responsible for the fact that we have memory. As for the narrative, as for life, time is a prime category, because it is in time that narrated or experienced events happen. This relationship between time and memory is remarkable in “O burrinho pedrês”, Guimarães Rosa’s short story present in his debut book, Sagarana. In this story, we can notice, generally, the characters use memory as a way to return to the past, evoking, consciously or unconsciously, the experience and its result, the wisdom, to help on the understanding of present situations. So, this research has as objective to analyze how time and memory relate and become indispensable to the development of the narrative and to the construction of the other categories - character, narrator and space. The theoretical foundation is based on studies clustered in three dimensions: a) theoretical essays about Guimarães Rosa’s work in general and the particular short story b) philosophical and/or psychological propositions about memory and time, and c) propositions about the mentioned categories of narrative
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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The aim of this study was to compare the mean scores of perceived risk factors for the development of musculoskeletal disorders in dental students presently pursuing work/study, according to gender, course series, and the presence of pain/discomfort. The participants were 348 students from the undergraduate course in dentistry at a Brazilian public university. The instrument on work-related factors that could contribute to osteomuscular symptoms and part of the Nordic questionnaire were used. The psychometric properties of the first instrument were estimated. A multivariate analysis of variance (MANOVA) revealed that the instrument had a tri-factorial structure (s2 retained: 62.72 percent). The retained factors were repetitiveness, work posture, and external factors. The internal consistency and reproducibility were adequate (α=0.746 to 0.873; p=0.729 to 0.940). Lower mean scores of perceived external factors were observed for the male participants, as well as lower scores in the three dimensions of the instrument for first-year students of the course and for those who did not report pain/discomfort in the neck, feet, and ankles. The authors concluded that the perception of risk factors for musculoskeletal disorders reported in the work/study environment of dental students was significantly related to gender, the course series, and the presence of pain/discomfort.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Electronic properties of disordered binary alloys are studied via the calculation of the average Density of States (DOS) in two and three dimensions. We propose a new approximate scheme that allows for the inclusion of local order effects in finite geometries and extrapolates the behavior of infinite systems following finite-size scaling ideas. We particularly investigate the limit of the Quantum Site Percolation regime described by a tight-binding Hamiltonian. This limit was chosen to probe the role of short range order (SRO) properties under extreme conditions. The method is numerically highly efficient and asymptotically exact in important limits, predicting the correct DOS structure as a function of the SRO parameters. Magnetic field effects can also be included in our model to study the interplay of local order and the shifted quantum interference driven by the field. The average DOS is highly sensitive to changes in the SRO properties and striking effects are observed when a magnetic field is applied near the segregated regime. The new effects observed are twofold: there is a reduction of the band width and the formation of a gap in the middle of the band, both as a consequence of destructive interference of electronic paths and the loss of coherence for particular values of the magnetic field. The above phenomena are periodic in the magnetic flux. For other limits that imply strong localization, the magnetic field produces minor changes in the structure of the average DOS. © World Scientific Publishing Company.
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Pós-graduação em Educação Matemática - IGCE
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We study N-layer samples (N ≤ 10) for the Heisenberg model, with ferro- and antiferromagnetic exchange couplings, using a modified version of the Onsager reaction field approximation. The present scheme includes short-range spin-spin correlations, and allows for layer-dependent order parameters when free surface boundary conditions are imposed. The limits N = 1 (two dimensions) and N → ∞ (three dimensions) can be solved analytically, while systems with several layers have to be numerically calculated. We found no indication of a phase transition at finite temperature up to the sizes investigated (N = 10), the layered systems behaving essentially as two-dimensional. A phase transition is only obtained for the three-dimensional limit. © 1993.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)