Wood Technology
Mostrando 13-24 de 49 artigos, teses e dissertações.
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13. IndÃstria madeireira mundial e brasileira: o caso Paranaense / Wood world and Brazilian insdustry: the case of Parana
O presente trabalho busca compreender a relaÃÃo do processo de acumulaÃÃo de capital no setor de transformaÃÃo de madeira e sua relaÃÃo com a produÃÃo do espaÃo geogrÃfico. A anÃlise de tal processo leva em consideraÃÃo as contradiÃÃes inerentes ao seu prodesso de desenvolvimento. Buscamos compreender essas contradiÃÃes apontando os princi
Publicado em: 2010
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14. Thin-plate spline - TPS method applied on the assessment of shrinkage (épsilonr) of Eucalyptus urophylla, E. saligna e E. urograndis / Método da Thin-plate spline - TPS aplicado ao estudo das deformações específicas de retração (épsilonr) da madeira de Eucalyptus urophylla, E. saligna e E. urograndis
The present research work had the aim to contribute for the development of testing procedures and evaluation of displacements to determine shrinkage of Eucalyptus urophylla, E. saligna and a hybrid E. urograndis in the radial and tangential directions using the Thin-plate Spline TPS method. It was carried out a theoretical and practical study in order to con
Publicado em: 2010
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15. Management of residues of the urban arborization / Gestão de resíduos da arborização urbana
A falta de modelos eficientes para a gestão dos resíduos da arborização urbana tem contribuído para agravar os problemas ambientais, sociais e econômicos resultantes da disposição inadequada desses materiais. Por suas características, esses materiais apresentam potencial para serem aproveitados em pequenos objetos de madeira (POM), composto orgânic
Publicado em: 2010
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16. Numerical and experimental thermal analysis of a tunnel kiln used in ceramic production
The available technology for tunnel kilns in Brazil is practically empirical and there is a lack of fundamental studies developed as an aid for the design of new kilns or for the retrofit of old ones. Here, a thermal model of a tunnel kiln is developed allowing the numerical simulation of kilns and dryers aiming toward a more efficient and less energy consum
Journal of the Brazilian Society of Mechanical Sciences and Engineering. Publicado em: 2009-12
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17. Evaluation of the wood quality of species Acacia crassicarpa, Acacia mangium, Eucalyptus nitens, Eucalyptus globulus and Populus tremuloides / Avaliação da qualidade da madeira das espécies Acacia crassicarpa, Acacia mangium, Eucalyptus nitens, Eucalyptus globulus e Populus tremuloides
As madeiras utilizadas para produção de polpa celulósica podem ser divididas em dois grupos em função da fibra: folhosas (fibra curta) e coníferas (fibra longas), as espécies de folhosas são destinadas especialmente a papéis de escrita e impressão. As principais espécies de folhosas utilizadas para produção de polpa de fibra curta em outros paí
Publicado em: 2009
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18. Biomassa e energia
Biomass was the dominating source of energy for human activities until the middle 19th century, when coal, oil, gas and other energy sources became increasingly important but it still represents ca. 10% of the worldwide energy supply. The major part of biomass for energy is still "traditional biomass" used as wood and coal extracted from native forests and t
Quím. Nova. Publicado em: 2009
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19. Utilização de técnicas não destrutivas para caracterização de madeiras de Pinus caribaea Var. hondurensis e de Eucalyptus grandis
The Brazilian forestry sector plays an important role in the economy of the country and its industries need to achieve excellence in product quality to win the consumer market. The development of new technologies and the improvement of techniques already known is the most efficient way to improve the quality of products manufactured by the forest industry an
Publicado em: 2009
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20. Avaliação das condições higiênico-sanitárias da carne-de-sol comercializada em casas do norte no município de Diadema - SP / Evaluation of sanitary-hygienic conditions of sun meat sold in the houses of the north in the municipality of Diadema - SP
Introduction - The sun meat is a handmade product, combining surface techniques of salting and dehydration, commnly used by people from the North and Northeast of Brazil. The lack of sophisticated technology in its development, and official standards of identity and quality, leds to production, marketing and distribuition in unsatisfactory sanitary-hygienic
Publicado em: 2009
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21. Tecnologia e economia do briquete de madeira / Technology and economy of the wood briquette
Este trabalho trata do perfil industrial e do mercado do briquete de madeira e da briquetagem sob duas áreas do conhecimento: a tecnologia do adensamento ligno-celulósico e a economia. O objetivo geral foi investigar as características técnicas e contábeis-gerenciais do briquete e do processo industrial para os fluxos de massa e de energia. Além disso,
Publicado em: 2008
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22. Controle e avaliação de um conjunto gaseificador-combustor de fluxo concorrente, utilizando como combustível a biomassa de lenha de eucalipto / Control and evaluation of a set gasifier-combustor with co-current flow using eucalyptus wood as a fuel
Recently, concern has grown considering environmental issues associated with the preservation of natural resources with the intention of improving the present and future quality of life. Biomass gasification shows to be a sustainable technology for power generation with low greenhouse gas emissions. One of the problems by using the gasifier for air heating p
Publicado em: 2008
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23. Proposta de um sistema de informações florestais para o Brasil / A proposal for a forest information system for Brazil
This work presents a proposal for the construction of a Forest Information System for Brazil SIFLOR-BR as a tool of strategic management for the Brazilian forest sector. For such, the forest information system of countries like Finland, Canada, The United States and Chile as well as international organizations such as FAO, ITTO and GFIS and the systems of fo
Publicado em: 2008
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24. Influência de modificações interfaciais nas propriedades mecânicas de compósitos de polipropileno com farinha de madeira
Among numerous fibers of commercial interest used as fillers and reinforcement in thermoplastics, wood waste fibers (WWF), mostly known as wood flour, can replace mineral fillers such as talc, CaCO3 and fiberglass with great advantage. Wood-plastics composites (WPCs) technology includes concepts of compatibility and processing and yet presents technical chal
Publicado em: 2007