Renewable Energies
Mostrando 13-19 de 19 artigos, teses e dissertações.
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13. Limites e possibilidades de desenvolvimento da cadeira produtiva do álcool: um estudo de caso no Rio Grande do Sul
The actual energetic context is characterized by environmental problems caused by de industrial developing and by the high value of oil (energetic base of the developing model) witch leads us to the search of alternatives (renewable energies), that may complement or replace the actual existing energy chain. In this reality the development in Brazil is remain
Publicado em: 2008
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14. Microscopia de força atômica in-situ de superfícies de membranas poliméricas de Nafion com nanopartículas de sílica incorporadas / Atomic force microscopy in-situ of polymeric Nafion membrane surfaces with nanoparticles of incorporated silica
Fountains of renewable energies are occupying an important space in scientific inquiries. Within this Proton Exchange Membrane Fuel Cells (PEMFC) stand out. Studies show that the elevation of PEMFCs operation temperature results in the increase of its efficiency. Nevertheless, in these work conditions there appears to be a necessity in improving electrolyte
Publicado em: 2008
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15. USO DE GERADORES EÓLICOS DE PEQUENO PORTE PARA IRRIGAÇÃO NO SEMI-ÁRIDO DO ESTADO DE SERGIPE. / USE OF WIND GENERATORS SMALL FOR IRRIGATION IN SEMI-ARID STATE SERGIPE.
The renewable sources of energies are shown as an interesting alternative to minimize the problem of the electric power lack faced by the rural man, mainly in the remote places where the difficulties of distribution of the electrification lines, above all in the economical aspect, they are big being shown unviable. The energy eolic besides other purposes, ca
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/04/2007
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16. O direito ambiental e o mundo em mudanças
It deals with the relationship of the environment with the development and globalization, as well as the need of its judicial protection, analyzing some of the important principles that guide the environmental right. The second proposes the analysis of the protection of the environment by the international environment right, focusing the documents, which dea
Publicado em: 2007
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17. The performance of a diesel engine using diesel and biodiesel mixtures / Desempenho Comparativo de um Motor de Ciclo Diesel Utilizando Diesel e Misturas de Biodiesel
Brazil is considered a country of an incommensurable biodiversity, justifying in this way, its enormous variety in oleaginous. It is considered that, in a close future, the petroleum reservations economically viable will tend to the shortage. Beside it, the exacerbated current price levels of the petroleum barrel in the international market, the possibility
Publicado em: 2006
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18. THE BIODIESEL PRODUCTIVE CHAIN: AN ECONOMIC EVALUATION FOR THE BAHIA CASE / A CADEIA PRODUTIVA DO BIODIESEL: UMA AVALIAÇÃO ECONÔMICA PARA O CASO DA BAHIA
Issues concerning renewable energies have been considered very important in Brazil and are now being the arena of many local political and economic discussions. In spite of being the biodiesel deeply investigated, regional characteristics of this biofuel have not been enough analyzed. Therefore, this master dissertation contributes to the analysis of the tra
Publicado em: 2006
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19. O direito tributário ambiental e as energias renováveis de fontes alternativas
This present work aims to delineate the peculiar contours of the Environment Tax Law, over all in relation to the renewable energies that came from altemative sources, issue that is recognized as being of extreme importance for the intemational law norms, in order to assist the solving of the main problems of the actual modern societiy, decurrent of the unco
Publicado em: 2004