Frequency factor (pre-exponential factor, A)

频率因子(指前因子,A)

Explanation (EN)

The constant A in the Arrhenius equation, reflecting the collision frequency Z and the orientation probability p.

Explanation (ZH)

阿伦尼乌斯方程中的常数 A,反映碰撞频率 Z 和取向概率 p。

About the IPA

The International Phonetic Alphabet is a standardized system of symbols used to represent the sounds of spoken language.

It helps linguists, language learners, and educators accurately describe pronunciation across languages.

Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.