活化熵

活化熵在化学动力学理论中的作用

The Effect of the Activation Entropy in Chemical Kinetics Theory

负活化熵大，活化能低；

It has unusually large negative activation entropy as well as extremely low activation enthalpy .

还从颗粒填料的级配堆积作用的角度上对流动活化熵的降低原因作了进一步的理论解释。

The further explanation of flow activation entropy decrease was made by effective stacking of filler with different size and size distribution .

根据相关的方程求出活化熵、活化焓以及活化自由能等一系列的假热力学参数。

The parameters , i.e. adsorption activation energy , activation entropy , activation enthalpy and activation free energy were calculated by relative kinetic equation .

讨论了活化熵在推断活化络合物结构及反应机理中的应用以及活化熵对反应速率的影响。

The application of the activation entropy in deducing structures of activation complex compounds and mechanism of reactions as well as the influence of the activation entropy on the reaction rate have been discussed .

在本实验条件下，迁移活化能和活化熵分别为37.3kJ／mol和－121.1J／（mol·K）。

The activation energy and entropy of the proton migration are 37.3 kJ / mol and - 121 . 1 J / ( mol.K ) respectively .

结果表明，随着共固化反应体系中氰酸酯含量的增加，其表观反应活化能和频率熵因子均随之升高；

The results showed that the reactive activation energy ( E a ) and frequency factor ( A ) of the co curing is found to increase with enhanced concentrations of cyanate of the co curing system .

确定了此反应为二级反应；求出了不同温度下的反应速率常数、活化能、指前因子以及活化熵变；

The reaction is second-order and activation ener-gy , factor before exponent , activation entropy , reaction speed constant in different temperatures are given .