177 resultados para Descontinuidades


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Relatório de estágio apresentado à Escola Superior de Educação de Paula Frassinetti para a obtenção do grau de Mestre em Ensino do 1.º e 2.º Ciclo do Ensino Básico

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In the Vi la de Rei arca (Central Portugal) the continental deposits ofthe Lower Tagus Tertiary 8asin lay upon the pediment of me Portuguese Central Chain. Three ronglomerate units are recorded from me base upwards. separated by regional or basinal unconfonnities: Conglomerados de Rio de Moinhos (RM); Conglomerados de Serra de Almeirim (SA) and Conglomerados de Vila de Rei (VR). The first two units (KM and SAl have been si les of gold exploitation in huge optn pit mines probably dunng Roman colonisation times. The contact ofthis units, on thc Paleozoie basement or on the Paleogene unil Grés de Monsanto, is unconfonn, defining in both limits a large nondepositional andlor erosional hiatus. Those conglomerates seal the scdimcntation ofthe Lower Tagus Tertiary Basin along irs northem border. Taking lnto account lhe significance /lssigned to their basinal unconfonnity limits, lhe uplift ofthe Portuguese Centra! Chain. and thc facl ofthis continental units yielded no fossils with chranostratigraphic significanee, they have been eonsidered ranging fram Uppcr Miocene to lhe beginning ofthe Qualemary. Finally, a lithostratigraphic equivalence with lhe Neogenic units ofthc Bierzo and Duema basins (NW ofthe Iberian Peninsula), where exploitalions from Roman limes are also evident, is presented.

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O presente trabalho pretende analisar a implementação dos programas de Educação Ambiental nas escolas de ensino fundamental, da Rede Municipal de Ensino Público, do Município de Curitiba, no estado do Paraná, Brasil. Esta análise tem por objeto de estudo as ações desenvolvidas pelas escolas, no que se refere às condições de saúde e bem-estar, a partir do que estabelecem os Parâmetros Curriculares Nacionais. Buscou-se compreender como os conteúdos definidos por ‘temas transversais' propiciam a constituição de um espaço de transformação em nível municipal. Este trabalho se constrói com base em discussões sobre o conhecimento produzido na área de Educação Ambiental e pelo levantamento de informações por meio de entrevistas e questionários junto aos profissionais ligados aos órgãos municipais responsáveis e às escolas. A análise realizada demonstrou que os projetos implementados vêm surtindo efeito positivo sobre as transformações dos pensamentos relativos às questões ambientais, sofrendo descontinuidades devido às mudanças nas gestões políticas. ABSTRACT; This study aims to analyze the implementation of the Environment Education Programs in the schools of the Municipal Public Education Network, in the City of Curitiba, in the state of Paraná, Brazil. The object study on this analysis is the actions developed by the schools, referring the conditions of health and well-being, from what is established by the National Curricular Parameters. We try to understand how the contents defined for 'transversal subjects' can propitiate the constitution of a space of transformation in municipal level. This work is built on discussion about the knowledge produced in the area of Environment Education besides the survey of informations through interviews and questionnaires with professionals connected to the responsible offices and the schools. This analysis demonstrated that the implemented projects is causing positive effects on the transformations of the relative thoughts to the environment questions, come suffering discontinuities due to the changes in the managements politics. RESUMEN; Este proyecto tiene por objetivo examinar la implementación de los programas de educación ambiental en las escuelas de educación básica de la Red Municipal de Educación Pública, en la ciudad de Curitiba, Paraná, Brasil. El objeto de estudio de la análisis son las medidas adoptadas por las escuelas, con respecto a la salud y el bienestar, de acuerdo con lo establecido por los Parámetros Curriculares Nacionales. Tratamos de comprender como el contenido, tal como se define por "temas transversales" puede ofertar un espacio de transformación en el nivel municipal. Este trabajo se basa en los debates de los conocimientos producidos en el ámbito de la educación ambiental y por las informaciones planteadas a través de entrevistas y cuestionarios con los profesionales de los departamentos responsables y en las escuelas. El análisis mostró que los proyectos ejecutados han tenido efecto positiva en la transformación de ideas sobre cuestiones ambientales, sufriendo discontinuidades debidas a cambios en las gestiones políticas.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Mecânica, 2015.

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The Federal Institution for Education, Science and Technology, in its historical path, has been living different changes. The transformations occurred along the way have been determined by coercive forces from the institutional environment, which has became more and more broad and complex throughout the time, obtaining diverse characteristics and new elements such as non institutional factors1 which started to contribute with the other changes. In this context, this work aims to study the isomorphic practices of the managers in the institutional changes process of the IFRN in 1998 and 2008, as of a theoretical coevolutionary perspective (CHILD; RODRIGUES; LEWIN; CARROL; VOLBERDA, 2003). This theory brings a new point of view for the organization analysis to the organizational studies, since it offers a non deterministic and non linear lection of the evolution process, which means, a coevolution. Thus, the organizations and their institutional and non institutional environment auto evolve, auto organize and auto reproduce. Therefore, the institutional and non institutional factors of the macro environment keep a continuous interdependence relationship with the organizations. For the means of this study, it is important to understand that is impossible to comprehend the object, the isomorphic practices, without considering that the previous institutional changes and its evolutions, its continuations and discontinuations, important in the coevolution process. As such, to call upon the institutional historical track is a fundamental aspect to materialize this study, for the recursive movement is indeed present in the coevolution. Another important point to make this research effective is that it is not possible to abdicate from the hologramatic view2 of this study, which considers the object, the isomorphic practices, part of the whole and this whole is also in the parts, therefore it is impossible to comprehend the object of study outside the context where it belongs. With this, as of the objective previously proposed, it is necessary to describe the characteristics of coevolution of the institutional changes related in 1998 and 2008; analyze the dynamic of the isomorphic mechanisms in its respective institutional change process; and describe the lessons learned which the isomorphic practices left to the IFRN, regarding its benefits and difficulties. All these transformations happened through coercive forces3 of the institutional environment. As of the Nineties, these forces became stronger, the environment became broader and more complex, with the emergency of new environmental factors. This study proposed to study the managing process and its practices, related to the micro environment, although it is required to articulate these actions, the demands and requirements from the macro environment. To make this research effective, semi structured interviews have been conducted with the managers who participated in both institutional change processes. In the results analysis, it has been possible to verify the particularity of each change, the one from 1998 with a strong normative action of the managers against coercive forces from the government for the search of recognition and the institutional legitimation and the one in 2008, which has been characterized by the normative action by managers in agreement with the coercive forces from the government, in favor of the government policy for the technological professional education. However, the results analysis it is possible to notice the evidence of a belonging feeling from the interviewed managers

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Civil e Ambiental, 2016.

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Polymer matrix composites offer advantages for many applications due their combination of properties, which includes low density, high specific strength and modulus of elasticity and corrosion resistance. However, the application of non-destructive techniques using magnetic sensors for the evaluation these materials is not possible since the materials are non-magnetizable. Ferrites are materials with excellent magnetic properties, chemical stability and corrosion resistance. Due to these properties, these materials are promising for the development of polymer composites with magnetic properties. In this work, glass fiber / epoxy circular plates were produced with 10 wt% of cobalt or barium ferrite particles. The cobalt ferrite was synthesized by the Pechini method. The commercial barium ferrite was subjected to a milling process to study the effect of particle size on the magnetic properties of the material. The characterization of the ferrites was carried out by x-ray diffraction (XRD), field emission gun scanning electron microscopy (FEG-SEM) and vibrating sample magnetometry (VSM). Circular notches of 1, 5 and 10 mm diameter were introduced in the composite plates using a drill bit for the non-destructive evaluation by the technique of magnetic flux leakage (MFL). The results indicated that the magnetic signals measured in plates with barium ferrite without milling and cobalt ferrite showed good correlation with the presence of notches. The milling process for 12 h and 20 h did not contribute to improve the identification of smaller size notches (1 mm). However, the smaller particle size produced smoother magnetic curves, with fewer discontinuities and improved signal-to-noise ratio. In summary, the results suggest that the proposed approach has great potential for the detection of damage in polymer composites structures

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Dissertação para obtenção do grau de Mestre em Arquitectura com especialização em Urbanismo, apresentada na Universidade de Lisboa - Faculdade de Arquitetura.

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Tese (doutorado)—Universidade de Brasília, Instituto de Ciências Humanas, Departamento de Geografia, Programa de Pós Graduação em Geografia, 2015.

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Dissertação para obtenção do grau de Mestre em Arquitectura com Especialização em Gestão Urbanística, apresentada na Universidade de Lisboa - Faculdade de Arquitectura.

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Dissertação de Mestrado para obtenção do grau de Mestre em Arquitectura - Especialização em Urbanismo Especialização em Planeamento Urbano e Territorial, apresentada na Faculdade de Arquitectura da Universidade Técnica de Lisboa.

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Dissertação para obtenção do grau de Mestre em Arquitetura, apresentada na Universidade de Lisboa - Faculdade de Arquitetura.