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pre-exponential factor

  • 预指数因子：在化学反应速率方程中，指数项前的常数因子，表示反应速率与反应物浓度的关系。

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短语

pre-exponential frequency factor 指前频率因子

  • 指前因子 - 引用次数：31

    These data inflect that the effect of microwave radiation on the pre-exponential factor of Arrhenius equation does actually exist,and a threshold value of energy density should be existed.

    反映出能量密度确实影响蔗糖水解的阿氏方程的指前因子项,而且能量密度对指前因子项的影响存在阈值。

    参考来源 - 微波辐射对蔗糖水解反应指前因子影响的研究

·2,447,543篇论文数据，部分数据来源于NoteExpress

Pre-exponential factor

  • abstract: In chemical kinetics, the preexponential factor or A factor is the pre-exponential constant in the Arrhenius equation, an empirical relationship between temperature and rate coefficient. It is usually designated by A when determined from experiment, while Z is usually left for collision frequency.

以上来源于: WordNet

双语例句

  • Thermal decomposition results were analyzed, and kinetics parameters such as apparent activation energy, pre-exponential factor and reaction heat were calculated.

    分析了其绝热分解的过程，计算了表观活化能、 指前因子和反应热等参数。

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