V2EX reaction mechanism

Reaction Mechanism

释义 Definition

(化学)反应机理:指化学反应发生时,反应物如何通过一系列逐步的结构变化(如键的断裂与形成、电子转移、中间体生成等)转变为产物的详细过程与路径。该术语在有机化学与物理化学中尤其常见。(在其他学科中也可泛指“反应的内部过程”,但最常用的是化学义。)

发音 Pronunciation (IPA)

/rikn mknzm/

例句 Examples

The reaction mechanism explains how the products form.
反应机理解释了产物是如何生成的。

Based on isotope labeling and kinetics, the researchers proposed a stepwise reaction mechanism involving a short-lived intermediate.
基于同位素标记与动力学数据,研究人员提出该反应机理为分步过程,并涉及一种寿命很短的中间体。

词源 Etymology

reaction 来自拉丁语 reactio(“反作用、回作”),由 *re-*(“回、再”)+ agere(“做、驱动”)相关词根发展而来,强调“对某事作出反应”。
mechanism 来自希腊语 mēkhanē(“机器、装置、巧计”),后在科学语境中引申为“运作方式、内部机制”。合起来 reaction mechanism 就是“反应何运作/如何发生的机制”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Organic Chemistry(Jonathan Clayden, Nick Greeves, Stuart Warren):多处以“reaction mechanism”讲解有机反应的逐步电子转移与中间体。
  • Advanced Organic Chemistry(Francis A. Carey & Richard J. Sundberg):系统讨论反应机理、证据类型(动力学、同位素效应等)与机理推断方法。
  • Physical Chemistry(Peter Atkins & Julio de Paula):在化学动力学章节中用相关表述讨论反应路径与速率理论(与机理分析紧密相关)。
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