V2EX desorption

Desorption

释义 Definition

desorption(名词):脱附;指已吸附在固体表面或界面上的分子/离子从表面脱离并回到气相或液相的过程。常见于催化、材料科学、环境化学与表面科学。(与 adsorption “吸附”相对;不同于 absorption “吸收/吸入到内部”。)

发音 Pronunciation (IPA)

/disrpn/

例句 Examples

Desorption happens when the surface warms up.
脱附常在表面升温时发生。

In the experiment, desorption of water molecules from the catalyst was monitored under vacuum conditions.
在该实验中,研究人员在真空条件下监测了水分子从催化剂表面的脱附过程。

词源 Etymology

来自前缀 **de-**(表示“去除、离开”)+ sorption(“吸附/吸着”,源自拉丁语 sorbere,意为“吸入、吞吸”)。字面意思就是“把吸附的东西去掉”,因此用于描述“从表面脱离”的过程。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Physical Chemistry(Peter Atkins & Julio de Paula):在表面与界面、吸附/脱附与等温线相关章节中频繁出现。
  • Introduction to Surface Chemistry and Catalysis(Gabor A. Somorjai):用于讨论催化表面上的吸附脱附平衡与反应机理。
  • Irving Langmuir 的经典论文(如关于吸附等温式的研究,发表于 Journal of the American Chemical Society 等):在描述表面过程与动力学时常与 adsorption 并列使用。
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