Polystirene
Mostrando 1-4 de 4 artigos, teses e dissertações.
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1. Avaliação do Desempenho de Artefato de Poliestireno de Alto Impacto Reciclado / Evaluation of the Performance of Recycled High Impact Polystirene
Resíduos plásticos, descartados de placas de publicidade compostas por poliestireno de alto impacto (HIPS), foram reciclados para obtenção de tubos que servem como base de painel de propaganda. O material foi avaliado nas diferentes etapas de reprocessamento, onde sua estrutura foi caracterizada por espectroscopia na região do infravermelho (FTIR) e res
Publicado em: 2006
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2. Efeito da sanitizaÃÃo e da embalagem na qualidade de goiabas (Psidium guava L.) cv. Paluma minimamente processadas
Minimally processed products are defined as those that have suffered small modifications without greatly changing their freshlike properties. The objective of this work was to evaluate the effect of sanitization on the overral quality of guavas minimally processed. Inially, it was made a consumer survey in supermarket to verify the preference on cut form and
Publicado em: 2005
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3. Analise da fluidodinamica de leito de jorro durante o recobrimento de particulas
Among the several unit operations that seek the modification of superficial characteristics of solid partic1es, the spouted bed appears as a substitute for the fluidized bed, to process a great variety of coarse solid materiaIs. The use of this technique for the partic1e coating, initially employed in the pharmaceutical industry, is promising, which motivate
Publicado em: 2003
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4. Desenvolvimento e caracterização de imunosorventes e avaliação de desempenho em ensaios imunoenzimaticos
In this work the characterization of a new type of support for the immobilization of antigens and antibodies was initiated. This support that was firstly described by Bittencourt et al in 1983, consists of synthetic fabrics coated with crosslinked resins containing N-methylol groups able to form covalent bonds, with functional groups such as hydroxil and ami
Publicado em: 1986