The thermal power time relation of starch hydrolysis reaction catalyzed by hydrolytic enzyme has been evaluated using a microcalorimeter . The maximum velocity( V max ) was calculated according to the equation V max =...The thermal power time relation of starch hydrolysis reaction catalyzed by hydrolytic enzyme has been evaluated using a microcalorimeter . The maximum velocity( V max ) was calculated according to the equation V max =[-2 975 79×10 -4 +2 401 91×10 -4 pH-6 940 00×10 -5 pH 2+ 9 040 00× 10 -6 pH 3-4 450 00×10 -7 pH 4] g/(dm 3·s) .The optimum acidity was found to be pH=5 78.展开更多
The power time curves of the extraction oscillation reaction were determined at different temperatures for the extraction of hydrochloric acid and phosphoric acid by primary amine N1923 in chloroform, using a titratio...The power time curves of the extraction oscillation reaction were determined at different temperatures for the extraction of hydrochloric acid and phosphoric acid by primary amine N1923 in chloroform, using a titration microcalorimetric method. The apparent activation energy were calculated from the induction period( t in ), the first oscillation period( t p.1 ) and the second oscillation period( t p.2 ). The oscillation behavior were discussed.展开更多
文摘The thermal power time relation of starch hydrolysis reaction catalyzed by hydrolytic enzyme has been evaluated using a microcalorimeter . The maximum velocity( V max ) was calculated according to the equation V max =[-2 975 79×10 -4 +2 401 91×10 -4 pH-6 940 00×10 -5 pH 2+ 9 040 00× 10 -6 pH 3-4 450 00×10 -7 pH 4] g/(dm 3·s) .The optimum acidity was found to be pH=5 78.
文摘The power time curves of the extraction oscillation reaction were determined at different temperatures for the extraction of hydrochloric acid and phosphoric acid by primary amine N1923 in chloroform, using a titration microcalorimetric method. The apparent activation energy were calculated from the induction period( t in ), the first oscillation period( t p.1 ) and the second oscillation period( t p.2 ). The oscillation behavior were discussed.