640 resultados para Maneiras
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This work aims to develop a methodology for analysis of images using overlapping, which assists in identification of microstructural features in areas of titanium, which may be associated with its biological response. That way, surfaces of titanium heat treated for 08 (eight) different ways have been subjected to a test culture of cells. It was a relationship between the grain, texture and shape of grains of surface of titanium (attacked) trying to relate to the process of proliferation and adhesion. We used an open source software for cell counting adhered to the surface of titanium. The juxtaposition of images before and after cell culture was obtained with the aid of micro-hardness of impressions made on the surface of samples. From this image where there is overlap, it is possible to study a possible relationship between cell growth with microstructural characteristics of the surface of titanium. This methodology was efficient to describe a set of procedures that are useful in the analysis of surfaces of titanium subjected to a culture of cells
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Research with indigenous in urban context are gaining steam in recent years, particularly with the intensification of migration resulting from problems such as lack of land for subsistence. However, in relation to Terena, subjects in this study, the contemporary anthropological research aimed at residents in cities still are not privileged, especially to youth. Thus, the dissertation has as main objective the discussion around some axes, among them indigenous youth Terena ethnicity politics, - indigenous movement - and racism. These themes appeared during fieldwork where privileged six trajectories of young Terena who migrated to Campo Grande (MS) and have different ways to mean the city and experiencing everyday life
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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Educação Física, Programa de Pós-Graduação Strictu-Sensu em Educação Física, 2015.
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Cementing operations are conducted at different times of the well s life and they have high importance, because the functions are fundamental to keep good properties during a long life of the well, such as, maintain the mechanical stability of the well, to promote the isolation hydraulic and support the tubing. In some situations, the rocky zones have low fractures pressures and require the use of lightweight slurries to prevent the hydrostatic pressure in the formation is greater than the pressure of fracture. There are three ways to reduce the density of cement slurries: exterders water additives, microspheres and foamed slurries. The most used extender water additive is sodium bentonite, which is a clay with a good capacity of water absorption and expansion of its volume, the main disadvantage of this additive is the reduction of the strength. Currently, the use of nanoscale particles has received special attention, mainly because they get new functionalities. Following this trend, this paper aims to use a colloidal solution of nano-silica as an exterders water additives for use in oil wells. Slurries were designed with fixed 13lb/gal density and concentration of nano silica 0.1 gpc; 0.4 gpc; 0.7 and 1gpc, the influence of nano-silica was studied at these levels in isolation and combined varying concentrations of CaCl2,. Tests including rheology, stability, strength, thickening time, porosity and permeability. Besides the API tests, microstructural characterizations were performed after 28 days of the slurries, X-ray diffraction (XRD) and scanning electron microscopy (SEM)
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Este paper tem como objetivo analisar o problema dos graus de separação do corpo e da alma no Fédon de Platão, em busca tanto de seus pressupostos ontológicos como de suas consequências epistemológicas. Apesar deste diálogo ser normalmente abordado como pedra miliar literária e filosófica para todos os dualismos psico‑físicos da história de nosso pensamento, entendo que é possível distinguir dois sentidos fundamentais, duas maneiras diferentes de pensar esta separação. O primeiro sentido indicaria uma separação intencional, isto é, fundamentalmente dependente do que o filósofo pensa ou com aquilo do qual o filósofo se procurar curar: o filósofo, como tal, se curaria da alma, mas não se curaria do corpo. Uma segunda maneira de pensar esta separação entre corpo e alma é aquela que privilegia a ideia de uma separação ontológica segundo a qual a alma seria, a tal ponto independente do corpo, que poderia sobreviver após a morte deste. Apesar do sucesso que ambas as abordagens tiveram ao longo da história do platonismo até nossos dias, a duplicidade dos sentidos expressos contém contudo, em si, uma irrevogável ambiguidade e tensão. O objetivo deste paper é o de propor uma solução diferente para a referida ambiguidade. A nossa proposta tem como ponto de partida, a consideração ontológica dos graus de plasticidade da alma, que Bostock (1986, p.119 @Phd. 79c), em seu comentário ao diálogo, chama ‘traços camaleônicos da alma’, isto é, como se a alma pudesse assumir feições corpóreas para conhecer a realidade sensível. A separação entre corpo e alma, antes do que pressuposto ontológico, parece precisar de um esforços permanente do indivíduo, tanto em sentido epistemológico como em sentido ético. _______________________________________________________________________________ ABSTRACT
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O artigo discute a produção acadêmica contemporânea brasileira sobre a relação entre educação formal e situação de pobreza, a partir da procura em três fontes: Biblioteca Digital Brasileira de Teses e Dissertações (BDTD), a Scientific Electronic Library OnLine (SciELO) e o Google Acadêmico. Também foram analisados dados sobre os autores, utilizando a Plataforma Lattes e o Diretório de Grupos de Pesquisa do Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq). Os objetivos da pesquisa foram: a) propiciar um levantamento (localização e sistematização) da produção científica elaborada no contexto das ciências sociais e humanas sobre a relação entre situação de pobreza e educação formal; b) estabelecer uma tipologia (comparação e diferenciação) das formas que assume a mencionada relação na visão dos pesquisadores e pesquisadoras; e c) analisar as questões de gênero, raça/cor e classe social (identificação e consideração) envolvidas na relação entre a pobreza e a educação formal nessa produção científica. Os resultados mostram que há um interesse crescente na relação entre educação formal e situação de pobreza, com maior concentração das publicações nas áreas disciplinares de educação, economia, saúde e serviço social. A frequência com que o mesmo autor ou um mesmo grupo foi registrado é baixa, indicando uma alta rotatividade de interessados na temática. Os assuntos mais discutidos foram "Bolsa escola, Bolsa família ou outro programa de transferência de renda" e "exclusão social e desigualdade social". Foram encontradas 13 maneiras diferentes de se relacionar a educação e a pobreza, sendo prediminantemente: a "escolaridade como condição da mudança na situação de pobreza". __________________________________________________________________________________________________ ABSTRACT
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Mestrado em Finanças
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Dissertação de Mestrado, Engenharia Biológica, , 2016
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Dissertação de Mestrado, Engenharia Informática, Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2015
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Dissertação de Mestrado, Processamento de Linguagem Natural e Indústrias da Língua, Faculdade de Ciências Humanas e Sociais, Universidade do Algarve, 2014
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Tese (doutorado)—Universidade de Brasília, Centro de Desenvolvimento Sustentável, 2015.
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Dissertação para obtenção do grau de Mestre em Arquitectura, apresentada na Universidade de Lisboa - Faculdade de Arquitectura.
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Objetivou-se caracterizar a influencia do fotoperiodo, da temperatura, da radiacao solar, da chuva e das necessidades de agua sobre o crescimento, o desenvolvimento e a produtividade do arroz, sendo tambem destacadas algumas maneiras de minimizar o efeito adverso desses fatores.
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This dissertation of master degree was presented to Post-Graduation Program in Architecture and Planning at UFRN, Brazil. It evaluates 45 one-family housings in the Metropolitan Area of Recife, whose architects consider them to be in conformity with the recommendations contained in Armando de Holanda's book: A Guide to build in the Brazilian Northeast: Architecture as a pleasant place in the sunny tropics , published in 1976 by UFPE. For a long time, it used to be reference in many Architecture and Planning Schools of the Northern Region of Brazil. The research s methodological procedures are based on the Post- Occupancy Evaluation (P.O.E.) with emphasis on the users' thermal comfort of the houses that make part of the sample. Therefore, it has been done technical analyses of the projects, when possible; interviews with the architects; building s inspections; and form applications to the users. The collected data analysis was based on the project recommendations of Holanda s book, they can be synthesized in the principle of Building Leafy". It can not be affirmed that all the houses present the recommendations contained in the guide, but, in many different ways, they exist, sometimes more intensely and sometimes more shyly. However, it can be noticed that in the 45 projects, that the architects perceived the importance of "Building Leafy" on the climatic reality of the Metropolitan Region of Recife
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Cementing operations may occur at various stages of the life cycle of an oil well since its construction until its definitive abandonment. There are some situations in which the interest zones are depleted or have low fracture pressure. In such cases, the adoption of lowdensity cement slurries is an efficient solution. To this end, there are basically three ways to reduce the density of cement slurries: using microspheres, water extending additives or foamed cement. The objective of this study is to formulate, to study and to characterize lowdensity foamed cement, using an air entrainment surfactant with vermiculite or diatomite as water extenders and stabilizers. The methodology consists on preparation and evaluation of the slurries under the American Petroleum Institute (API) and the Brazilian Association of Technical Standards (ABNT) guidelines. Based on calculated densities between 13 and 15 ppg (1.559 and 1.799 g/cm3), the slurries were prepared with fixed surfactant concentration, varying the concentrations of vermiculite and diatomite and were compared with the base slurries. The results of plastic viscosity, yield point and gel strength and the compressive strength for 24 h showed that the slurries presented suitable rheology and mechanical strength for cementing operations in oil wells, and had their densities reduced between 8.40 and 11.89 ppg (1.007 and 1.426 g/cm3). The conclusion is that is possible, under atmospheric conditions, to obtain light weighted foamed cement slurries with satisfactory rheological and mechanical properties by means of air entrainment and mineral additions with extenders and stabilizers effects. The slurries have great potential for cementing operations; applicability in deep wells, in low fracture gradient formations and in depleted zones and bring cost savings by reducing the cementing consumption