164 resultados para Aderência celular


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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This study aimed to evaluate the use of sweet potato as a substrate for the production of spirits. In order to promote an alternative technologically feasible, an experimental design was performed to minimize the operations of preparation, defining the most adequate conditions for the fermentation process. From sweet potato flour obtained by milling and dehydration process of the roots was carried out an enzymatic process of hydrolysis-saccharification of suspension of sweet potato flour with 18% dry matter. The hydrolyzate was used in the fermentation process which followed the 23 full factorial experimental design with central and axial points, and the independent variables were the concentration of reducing sugars, concentration of viable yeast and fermentation temperature. The dependent variables were viable cells, residual sugar, ethanol, glycerol and methanol. The dependent variables were quantified by liquid chromatography. The data analysis indicate that the best fermentation conditions among the tested conditions were: concentration of yeast 5 x 107-1 x 108 in number of viable cells, total reducing sugars from 12.5 to 13.5% and temperature between 33 -34ºC.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Odontologia - FOAR

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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This work talks about the importance of the steel adhesion to concrete, reinforced concrete structures, their testing and forms of measurement used and how the results are used in the structural design, which uses as a reference the NBR 6118 and NBR 7480. It also deals with the importance of a reliable assessment, discussing failures that the test used, NBR 7477, features in specific circumstances, as discussed under the EC-094. It also presents an initial proposal for simplified pullout test, which aims to analyze the grip on steel bars with diameter less than 10 mm, which results when used standardized testing by ABNT NBT 7477, has shown excessive variability, the main criticism of the trial today used without distinction to be established thick or thin bars. The proposal also presented methodology is in the consolidation phase, given the time and the volume of necessary tests. For this reason it is not possible to make a comparison between the values obtained and the results of the test used on the basis of the standard in force, this can only be done once the front with a continuation of this work