V2EX eyring equation

Eyring Equation

释义 Definition

艾林方程(Eyring equation):化学动力学中用于描述反应速率常数 \(k\)温度 \(T\) 关系的公式,基于过渡态理论,常用来从实验数据求取活化焓 \(\Delta H^\ddagger\)活化熵 \(\Delta S^\ddagger\)
(在某些语境下也会与“阿伦尼乌斯方程”并列比较,但侧重的物理含义不同。)

发音 Pronunciation (IPA)

/ar kwen/

例句 Examples

The Eyring equation relates the rate constant to temperature.
艾林方程把速率常数与温度联系起来。

By fitting the data with the Eyring equation, we estimated the activation enthalpy and activation entropy of the reaction.
通过用艾林方程拟合数据,我们估算了该反应的活化焓与活化熵。

词源 Etymology

“Eyring”来自美国化学家Henry Eyring(亨利艾林)的姓氏;“equation”意为“方程”。该方程源于20世纪发展起来的过渡态理论(transition state theory),用统计热力学的观点解释反应速率随温度变化的规律。

相关词 Related Words

文学与经典著作中的用例 Literary Works

  • Eyring, H.; Glasstone, S.; Laidler, K. J. The Theory of Rate Processes(《速率过程理论》):系统提出并应用过渡态理论与艾林方程。
  • Peter Atkins; Julio de Paula Atkins’ Physical Chemistry(《阿特金斯物理化学》):在化学动力学章节讲解艾林方程及其作图求参量方法。
  • Steinfeld, Francisco, Hase Chemical Kinetics and Reaction Dynamics:以反应动力学与反应坐标视角讨论过渡态理论与相关方程。
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