Wood Technology
Mostrando 25-36 de 49 artigos, teses e dissertações.
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25. Diagnosis of the forest crop and wood transportation in fomented rural properties in the State of Espírito Santo / Diagnóstico da colheita e transporte florestal em propriedades rurais fomentadas no Estado do Espírito Santo
This study was developed with information obtained from interviews with 71 farm owners fomented by Aracruz Celulose, in the State of Espírito Santo. The main objective of this study was to diagnose the forest crop and wood transportation in their farms, considering technical, economic, social and environmental aspects. Those farm owners were responsible for
Publicado em: 2006
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26. CARACTERÍSTICAS TECNOLÓGICAS DO VERGAMENTO DAS MADEIRAS DE Luehea divaricata, Carya illinoinensis E Platanus x acerifolia COMO SUBSÍDIOS PARA O MANEJO FLORESTAL. / TECHNOLOGICAL CHARACTERISTICS OF BENDING OF THE WOOD OF Luehea divaricata, Carya illinoinensis AND Platanus x acerifolia AS SUBSIDIES FOR THE FOREST HANDLING.
O presente trabalho foi desenvolvido com o objetivo de investigar as características do vergamento da madeira de plátano (Platanus x acerifolia), açoita-cavalo (Luehea divaricata) e nogueira-pecã (Carya illinoinensis) procedentes de florestas não-manejadas para este fim das regiões da Depressão Central e Encosta Superior do Nordeste do estado do Rio G
Publicado em: 2006
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27. Tecnologias avançadas para pré-branqueamento de polpa kraft de eucalipto / Advanced technologies for eucalyptus kraft pulp prebleaching
The EFC bleaching with the current technologies, based on the chlorine dioxide use represents the second greatest cost in the eucalyptus kraft pulp bleaching (US$ 25-30/t), being the wood the first (US$ 40-80/t). On the other hand, the bleaching reagents offer, typically chlorine dioxide, has been a limiting factor for the production increase in many old ind
Publicado em: 2006
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28. Modas e modismos gerenciais : o caso dos sistemas integrados de gestão / Fads and fashions in management : the integrated systems management case
The introduction of new managerial technology is a theme of great interest for academics and practitioners. This research intends to analyze the subject of fads and fashions in management by means of an investigation about the adoption and implementation of enterprise resource planning systems. Such systems, which became very popular lately, represent large
Publicado em: 24/11/2005
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29. Mecanismos de sociabilidade Enawene Nawe e o papel da opan- Operação Amazônia Nativa- na defesa do território
Nowadays there are more than two hundred Indian tribes in Brazil, who speak around a hundred seventy different languages. These tribes have a total of about three hundred fifty thousand individuals. Most of them gather in Legal Amazonia, where the globalization economic process has raced the implementation of development models, responsible for social and en
Publicado em: 2005
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30. Influence of thinning and fertilization on Eucalyptus grandis (Hill ex-Maiden) sawn wood quality. / Influência do desbaste e da adubação na qualidade da madeira serrada de Eucalyptus grandis Hill ex-Maiden.
O presente trabalho teve como objetivo geral estudar a influência do manejo florestal no rendimento e na qualidade tecnológica da madeira serrada de uma população plantada de Eucalyptus grandis, de 21 anos de idade, manejada pelo sistema de desbastes seletivos com aplicação de fertilizantes na época do início dos desbastes. Os fatores utilizados fora
Publicado em: 2005
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31. A gênese da agricultura e da silvicultura moderna no estado de São Paulo. / The genesis of forestry and modern agriculture in São Paulo State.
The modernization of agriculture and the emergence of Forestry in its genesis in the beginning of the Twentieth Century in the State of São Paulo are approached and analyzed in this work. The hypothesis is that the agrarian elite, including Edmundo Navarro de Andrade, considered an icon in Forestry in Brazil, possessed a project for the modernization of agr
Publicado em: 2005
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32. Appropriate technology and techniques for the sustainable development: the case of the ceramic industry of russians-Ce / Tecnologias e tÃcnicas apropriadas para o desenvolvimento sustentÃvel: o caso da indÃstria cerÃmica de Russas-Ce
The red tile industry of Cearà state is of enormous socio-economic importance in terms of income generation, employment opportunities and supply of products with prices which are accessible to the civil construction sector. This contributes towards improvement of quality of life in alI regions of the state. On the other hand, the aforementioned industrial s
Publicado em: 2004
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33. Indicadores de desempenho para o beneficiamento de madeira serrada em empresas de pequeno porte: um estudo de caso. / Performance indicators for sawed wooden improvement in small enterprises: a case study.
Factors like the lack of technology, the hiring of a not very well quantified labor, a poor productive structure, an increasing necessity of adjustment to constant changes in the market and to new rules established by global economy, encourage the need for the use of techniques that supply information to be used as the base for the management of small and me
Publicado em: 2004
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34. Large scale low cost production of submicrometric powder through biomass refinery
Biomass Refinery (BR) is a null pollution thermochemical sequential cracking of any biomass and some petrochemical products, which generates chemicals, liquid or solid fuels and inorganic submicrometric/nanometric powders (SM/NM) such as ashes, silica, and carbon black. The processing route, powder characterisation and addition of some ashes to red clay resu
Materials Research. Publicado em: 2003-06
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35. Biopitch produced from eucalyptus wood pyrolysis liquids as a renewable binder for carbon electrode manufacture
Interest in biomass as a clean source of fuel, chemicals and materials is growing fast. What is attractive about biomass is its renewability and that it is CO2 balanced and sulfur-free. Biomass pyrolysis produces charcoal, bio-oil and gases in different proportions, depending on the technology and raw material used. In this study biopitch, a substitute for f
Brazilian Journal of Chemical Engineering. Publicado em: 2002-04
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36. Variability of physical and mechanical properties in lots of eucalipto lumber for the building construction. / Variabilidade de propriedades físico-mecânicas em lotes de madeira serrada de eucalipto para a construção civil.
The Eucalyptus genus has been reaching good position in the solid wood market due to its high productivity in wood of satisfactory mechanical quality, providing great availability for the building construction. The up date of the Brazilian Norm for projects of wood structures (NBR 7190/97), has introduced important modifications as the proposition of resista
Publicado em: 2002