V2EX chemisorption

Chemisorption

定义 Definition

化学吸附:气体或溶液中的分子/原子与固体表面通过化学键(如共价键、离子键)牢固结合的吸附过程。通常具有选择性强、吸附热高、常形成单分子层等特点。(另有与之相对的“物理吸附/Physisorption”。)

发音 Pronunciation (IPA)

/kmsrpn/

例句 Examples

Chemisorption can make a catalyst more active.
化学吸附可以使催化剂更活跃。

At high temperature, chemisorption of oxygen on the metal surface can change the reaction pathway and strongly affect the product distribution.
在高温下,氧在金属表面的化学吸附会改变反应路径,并显著影响产物分布。

词源 Etymology

chemisorption 由 **chemi-**(化学的,源自 chemical)+ sorption(吸附/吸收的统称,来自拉丁语 sorbere,意为“吸入、吞吸”)构成,字面意思就是“通过化学作用发生的吸附”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • 《Surface Chemistry》(Gabor A. Somorjai & Yimin Li):讨论表面反应与催化中“chemisorption”的核心作用。
  • 《Introduction to Surface Chemistry and Catalysis》(Gabor A. Somorjai):在催化机理与表征章节中频繁使用该术语。
  • 期刊《Surface Science》:大量论文以“chemisorption”描述分子在金属/氧化物表面的化学结合与表面结构变化。
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