V2EX desorb

Desorb

Definition 定义

desorb /dzrb/(动词):(使)脱附;指原本吸附在固体表面上的分子或离子,因为升温、减压、改变溶剂/气氛等原因而离开表面进入气相或液相。(常见于化学、材料、环境科学与催化领域)

Pronunciation 发音(IPA)

/dzrb/

Examples 例句

The gas will desorb when the surface is heated.
加热表面时,气体会发生脱附。

After the catalyst was exposed to steam, some molecules desorbed from the active sites, reducing the reaction rate until the surface recovered.
催化剂接触水蒸气后,一些分子从活性位点脱附,导致反应速率下降,直到表面状态恢复。

Etymology 词源

desorb 由前缀 de-(表示“去除、离开”)+ sorb(“吸附/吸收”,源自拉丁语 sorbere “吸入、吞吸”)构成,字面含义就是“从吸附状态中去除/离开”。它与 adsorb(吸附)是一对常见反义概念:adsorption(吸附) desorption(脱附)

Related Words 相关词汇

Literary Works 文献与作品中的用例

  • D. M. Ruthven, Principles of Adsorption and Adsorption Processes(吸附与脱附过程的经典教材,常出现 desorb/desorption
  • IUPAC(国际纯粹与应用化学联合会)相关术语与技术报告(关于吸附/脱附定义与用法的权威来源,常使用 desorb
  • 期刊论文:LangmuirSurface ScienceJournal of Catalysis(表面科学与催化研究中高频使用 desorb 描述分子从表面离开)
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