Wood Extraction
Mostrando 13-24 de 65 artigos, teses e dissertações.
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13. A fração volátil das aguardentes de cana produzidas no Brasil
The volatile fraction of sugar cane spirits plays a key role in the quality and acceptance of these beverages. The composition of this fraction is dependent on the way sugar cane collection, fermentation, distillation and aging are carried out. The materials used in these processes strongly influence chemical composition. Acetic acid, acetaldehyde, ethyl ace
Quím. Nova. Publicado em: 2012
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14. Avaliação dos impactos na vegetação após a exploração madeireira em floresta ombrófila densa de terra firme no Município de Caracaraí - RR
Changes on floristic composition and phytosociological and damage we evaluated in forest subjected to reduced-impact logging (RIL) in the municipality of Caracaraí in the state of Roraima. The experiment consisted in the installation of nine permanent plots (1 ha each), under the completely randomized design with three replications and three treatments (T1
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/08/2011
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15. Avaliação do gerenciamento de resíduos sólidos em indústrias de extração e transformação de madeiras localizadas na Amazônia mato-grossense / Evaluation of solid waste management in industries of extraction and processing of wood located in Mato Grosso\ s states Amazon
Dentre os resíduos sólidos industriais, os provenientes do processo de extração e transformação de madeira se destacam, primeiro, pelo volume e, segundo, pelo seu potencial energético pouco explorado. A exploração e o processamento industrial de madeira estão entre as principais atividades econômicas da Amazônia, sendo que o aproveitamento da mat
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/07/2011
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16. Efeito da fragmentação sobre a estrutura de populações de Araucaria angustifolia (Bertol.) Kuntze (Araucariaceae) no sul do Brasil
Fragmentation of habitat is the transformation of a continuous natural landscape into habitat patches or fragments, and may result from human settlements, agriculture, resource extraction and/or logging. Besides the influences of habitat loss, populations that remain in these fragments experience conditions similar to those of the surrounding matrix: the pro
Publicado em: 2011
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17. Teores de B-Caroteno e A-tocoferol presentes na microalga Spirulina (Arthrospira) Platensis cultivada com diferentes fotoperÃodos / Levels of B-carotene and-tocopherol present in the Spirulina (Arthrospira) grown in different photoperiods Platensis
The microalga cyanophyceae Spirulina platensis has been commercialized and studied due to its high nutritional value. It has shown to be a rich source of a great variety of vitamins, minerals, proteins, polyunsaturated fatty acids, carotenoids, phycobilins, and polysaccharides that exhibit potential therapeutic properties. The aim of the present work was to
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/08/2010
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18. Turismo comunitário e populações tradicionais: o caso do Faxinal Barra Bonito no Municipio de Prudentopolis-PR
In the early 1980 the alternative tourism begins to gain strength in Brazilian market. This activity shows problems caused by mass tourism that explore fragile environment in an unthinking way putting the customs and habits of the local communities under threat as well as the local flora and fauna. In Paran? State there is a great potential to develop this k
Publicado em: 2010
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19. TURISMO COMUNITÁRIO E POPULAÇÕES TRADICIONAIS: O CASO DO FAXINAL BARRA BONITA NO MUNICÍPIO DE PRUDENTÓPOLIS - PR
In the early 1980 the alternative tourism begins to gain strength in Brazilian market. This activity shows problems caused by mass tourism that explore fragile environment in an unthinking way putting the customs and habits of the local communities under threat as well as the local flora and fauna. In Paraná State there is a great potential to develop this
Publicado em: 2010
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20. Estudo FitoquÃmico de Pilocarpus sulcatus Skorupa (Rutaceae) / Estudo FitoquÃmico de Pilocarpus sulcatus Skorupa (Rutaceae)
The present work describes the phytochemical study of Pilocarpus sulcatus Skorupa and survey about the secondary metabolites isolated from the taxon Pilocarpus. The work involved the extraction and identification of volatile leaves constituents, stem bark, stem wood, bark root and wood root besides the isolation and determination of the fixed constituents of
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 20/02/2009
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21. Caracterização da estrutura anatômica do lenho, dos anéis de crescimento e dos canais de resina de árvores de Pinus caribaea var. hondurensis Barr. et Golf. / Characterization of the anatomical structure of the wood, the growth rings and the resin ducts in Pinus caribaea var. hondurensis Barr. et Golf.
The research on resin tapping trees with pine species have shown the effect of factors that affect the production and quality of resin, related with the species, genetic variability, growth rate, age, forest management, etc.. The gum-resin extraction practices, the concentration, frequency of application of chemical stimulants, the time of year that panels a
Publicado em: 2009
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22. Metodologia para planejamento da colheita e transporte florestal utilizando geotecnologia e pesquisa operacional / Methodology for planning forest harvesting and transport using geotechnology and operations research.
Considering the current scenario in which the use of forest resources is growing quickly, it is necessary the use of techniques and tools to facilitate the short, medium and long run planning, thus facilitating the search for a more rational use of these precious resources, assisting and supporting the decision making. This study aimed to use the geographic
Publicado em: 2009
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23. Compostagem de esterco de galinha: composiÃÃo quÃmica da matÃria orgÃnica e extraÃÃo de substÃncias hÃmicas / Chicken manure composting: organic matter composition and humic substances extraction
The agro-industrial activities are responsible for the generation of large amounts of organic waste, and composting is an efficient process for the treatment of such waste; humification degree is an important parameter for determining the quality of the compost produced. This study aims to evaluate the dynamics of humification of organic matter during compos
Publicado em: 2009
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24. Analysis of the characteristics of the wood and the candeia essential oil - Eremanthus erythropappus (DC.) Macleish, of the region of Aiuruoca, MG / Análise das características da madeira e do óleo essencial de candeia - Eremanthus erythropappus (DC.) Macleish, da região de Aiuruoca, MG.
Forests have been fundamental as a source of several basic necessities of the human being, as shelter, clothes, nourishment, energy etc. In this context, essential oils have had an important role, either in the national or in the international scene. Many forest species have the potential for oil extraction and, amongst these, candeia (Eremanthus erythroppap
Publicado em: 2008