Packing Material
Mostrando 13-24 de 60 artigos, teses e dissertações.
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13. Design do vestuário : protótipo funcional para o encaixe de moldes no tecido / Garment design: functional prototype for pattern fitting along the fabric
Esta dissertação tem por objetivo tratar do problema de encaixe de moldes da indústria do vestuário. O problema consiste no encaixe bidimensional de itens pequenos (moldes), que possuem formas irregulares, dentro de um material que será cortado, que possui forma retangular com largura fixa e comprimento variável. O principal objetivo do encaixe é mini
Publicado em: 2010
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14. Composição química e digestibilidade 'in vitro' de silagens de milho com distintos teores de umidade e níveis de compactação / Chemical composition and ‘in vitro’ digestibility of maize silages with different maturities and packing densities
Foi avaliada a composição química e a digestibilidade ‘in vitro’ de silagens de milho e respectivas forragens frescas, colhidas com três teores de MS (20, 26 e 28%) e submetidas antes da ensilagem, a duas compactações (bem compactadas ‘BC’, ou mal compactadas ‘MC’), formando um fatorial 3x2 com seis repetições num experimento com micro-si
Publicado em: 2010
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15. Influência dos parâmetros do processo de moldagem por injeção sobre as propriedades mecânicas do poliestireno.
The aim of this work is to study the mechanical properties of the specimen that is made of polystyrene 158K and modeled by thermoplastic injection process. In order to chieve such a goal it was investigeted the variation of the effects in the manufecture process parameters, however it was also analyzed the effects of time and temperature from pos processing
Publicado em: 2009
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16. Styrene biofiltration in a trickle-bed reactor
The biological treatment of styrene waste gas in a trickle-bed filter (TBF) was investigated. The bioreactor consisted of a two-part glass cylinder (ID 150 mm) filled with 25 mm polypropylene Pall rings serving as packing material. The bed height was 1m. Although the laboratory temperature was maintained at 22 ºC, the water temperature in the trickle-bed fi
Brazilian Archives of Biology and Technology. Publicado em: 2008-04
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17. Avaliação da utilização de diferentes materiais suporte na biofiltração de sulfeto de hidrogênio / Utilization of different packing materials in the hydrogen sulfide biofiltration
O sulfeto de hidrogênio é um gás que pode causar os mais diversos danos se lançado ao meio ambiente devido, principalmente, à sua elevada toxicidade, corrosividade, odores indesejáveis e alta demanda de oxigênio. Atualmente existem diferentes processos físico-químicos estabelecidos para o tratamento desse composto, entretanto são consideradas técn
Publicado em: 2008
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18. GRAVEL-PACK PUMP IN HORIZONTAL WELLS EQUIPPED WITH UNEVENLY HOLE PATTERN SCREENS / BOMBEIO DE GRAVEL-PACK EM POÇOS HORIZONTAIS EQUIPADOS COM TELAS DE FURAÇÃO NÃO-UNIFORME
Na exploração e produção de petróleo em águas profundas e ultraprofundas, um dos problemas mais freqüentes é a contenção da fragmentação do reservatório durante a produção do óleo, quando o mesmo é proveniente de arenitos inconsolidados, facilmente encontrados na Bacia de Campos e demais fronteiras Offshore ao longo da costa Brasileira. O in
Publicado em: 2008
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19. Otimização e análise mecânica de pastas geopoliméricas para uso em poços sujeitos à injeção cíclica de vapor
Oil wells subjected to cyclic steam injection present important challenges for the development of well cementing systems, mainly due to tensile stresses caused by thermal gradients during its useful life. Cement sheath failures in wells using conventional high compressive strength systems lead to the use of cement systems that are more flexible and/or ductil
Publicado em: 2008
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20. Avaliação da sustentabilidade ampliada de produtos agroindustriais, estudo de caso : suco de laranja. / Sustainability evaluation of agro industrial products, case studies : crange juice.
The objective of the present study was to combine Emergy and Life Cycle Assessment methodologies, used regularly for the evaluation of productive models, to evaluate the sustainability of raw and processed agricultural products, considering the complete productive chain. The combination of these two methodologies allows the evaluation of environmental impact
Publicado em: 2008
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21. Polyaniline synthesized with functionalized sulfonic acids for blends manufacture
Polyaniline (PAni), an electronic conductive polymer, has poor mechanical properties, such as low tensile, compressive and flexural strength that render PAni a non-ideal material to be processed for practical applications. Desired properties of polyaniline can be enhanced by mixing it with a polymer that has good mechanical properties. In this work, PAni was
Materials Research. Publicado em: 2007-12
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22. Start-up and performance characteristics of a trickle bed reactor degrading toluene
The objective of this work was to evaluate toluene degradation in a trickle bed reactor when the loading was carried out by changing the air flow rate. The biofiltration system was inoculated with a mixed microbial population, adapted to degradation of hydrophobic compounds. Polypropylene high flow rings were used as a packing material. The system was operat
Brazilian Archives of Biology and Technology. Publicado em: 2007-09
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23. Manual material handling and ergonomics work analysis in fresh tomatoes packing houses / Movimentação manual de cargas e analise ergonomica do trabalho em unidades de beneficiamento de tomate de mesa
Tomato cropping is one of the biggest Brazilian agriculture markets, that generates more than 200,000 direct jobs. Nowadays the demand for safe products increases in a very accelerated rhythm, making the post harvest beneficiary process of the agriculture products an activity with a great expansion in Brazil. The manual material handling (MMH) in the fresh t
Publicado em: 2007
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24. Avaliação de diferentes tratamentos termicos e condições de em balagem sobre a vida-de-prateleira do leite fluido com enfase no julgamento de defeitos de sabor. / Evaluation of different thermal treatment and package conditions about fluid milk shelf life emphasinzing the judgement off flavor defects.
Searching the improvement of quality, to please a more and more demanding customer, the industry tries to increase the shelf-life of milk using efficient and less expensive technology. As an example of these technologies, the quality of raw material, thermal treatment, temperature control in the storage and packing systems can be included. Milk life can be i
Publicado em: 2007