79 resultados para 90s


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Educação Escolar - FCLAR

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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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Pós-graduação em Geociências e Meio Ambiente - IGCE

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Pós-graduação em Estudos Linguísticos - IBILCE

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Odontologia Preventiva e Social - FOA

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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In this paper, we intend to contribute to the debate about the circulation of the discourses. To do that, we analyze aspects regarding the circulation of Amway's discourse, a North-American network sales company that has been working in Brazil for a while. Precisely, we analyze the conditions of this circulation at the time it was more intensively, ie, in the 90s, when there were thousands of people in several parts of the country selling the company's products or consuming them. This study has been based on French Discourse Analysis with focus on both Michel Foucault's insights on the control mechanisms of discourse and Maingueneau's reformulated notion of discursive practice. The analysis reveals that Amway's discourse displays features of a doctrine, and, as a discursive practice, it cannot be conceived of as separated from the subjects who convey it, nor from its hierarchical organization, nor from the events that the company promotes and those which are promoted under its name. In these terms, the analysis shows how the discourse is not only a set of texts, but also concerns to the institutional network related to the social group that the enunciation of discourse presupposes and makes it possible.

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Pós-graduação em Psicologia do Desenvolvimento e Aprendizagem - FC

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This study compared the effect of physicochemical surface conditioning methods on the adhesion of bis-GMA-based resin cement to particulate filler composite (PFC) used for indirect dental restorations. PFC blocks (N (block)=54, n (block)=9 per group) were polymerized and randomly subjected to one of the following surface conditioning methods: a) No conditioning (Control-C), b) Hydrofluoric acid (HF)etching for 60s (AE60), c) HF for 90s (AE90), d) HF for 120s (AE120), e) HF for 180s (AE180), and f) air-abrasion with 30 mu m silica-coated alumina particles (AB). The conditioned surfaces were silanized with an MPS silane, and an adhesive resin was applied. Resin composite blocks were bonded to PFC using resin cement and photo-polymerized. PFC-cement-resin composite blocks were cut under coolant water to obtain bar specimens (1mmx0.8mm). Microtensile bond strength test (mu TBS)was performed in a universal testing machine (1mm/min). After debonding, failure modes were classified using stereomicroscopy. Surface characterization was performed on a set of separate specimen surfaces using Scanning Electron Microscopy (SEM), X-Ray Dispersive Spectroscopy (XDS), X-Ray Photoelectron Spectroscopy (XPS), and Fourier Transform-Raman Spectroscopy (FT-RS). Mean mu TBS (MPa) of C (35.6 +/- 4.9) was significantly lower than those of other groups (40.2 +/- 5.6-47.4 +/- 6.1) (p<0.05). The highest mu TBS was obtained in Group AB (47.4 +/- 6.1). Prolonged duration of HF etching increased the results (AE180: 41.9 +/- 7), but was not significantly different than that of AB (p>0.05). Failure types were predominantly cohesive in PFC (34 out of 54) followed by cohesive failure in the cement (16 out of 54). Degree of conversion (DC) of the PFC was 63 +/- 10%. SEM analysis showed increased irregularities on PFC surfaces with the increased etching time. Chemical surface analyses with XPS and FT-RS indicated 11-70% silane on the PFC surfaces that contributed to improved bond strength compared to Group C that presented 5% silane, which seemed to be a threshold. Group AB displayed 83% SiO2 and 17% silane on the surfaces.

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In the 90s, the Brazilian Secretariat of the Special Education Department has expanded the democratization of education and pupils’ access to schooling, by redefi ning the operation of special education services. With this inclusion policy, the education system has been restructured. An important action, conducted during the period de 2005 to 2010, was to propose, deploy and implement Multifunctional Resources Rooms (Sala de recursos multifuncionais, or SRM), from two different types (type I and II). The challenge was to promote educational inclusion, in a program entitled Inclusive Education: the right to diversity. In a seek for new identity of teacher training and professional practice in special education, the great educational innovation is to better articulate the work of “ordinary“ and specialized teachers, via the SRM, and to develop collective and participatory actions between common spaces and support spaces. In this context, the school and the family represent an important source of partnership.