V2EX isosteric

Isosteric

定义 Definition

isosteric(等容/等体积的;等位的):在化学与物理化学语境中,常指具有相同(或非常接近)空间占据/体积特征的关系或性质;也常见于 isosteric heat(等容吸附热/等量吸附热) 等术语中,用于描述在特定条件下比较或计算得到的热效应。该词在不同学科里用法略有差异。

发音 Pronunciation

/asstrk/

例句 Examples

The two ions are isosteric and fit the same site in the crystal.
这两种离子在空间占据上近似等同,因此能嵌入晶体中的同一位置。

Isosteric analysis of adsorption data can reveal how the heat of adsorption changes with surface coverage.
对吸附数据进行等容(等量)分析可以揭示吸附热如何随表面覆盖度变化。

词源 Etymology

isosteric 来自前缀 **iso-**(表示“相同、等同”)与词根 steric(与“空间位阻/空间占据”相关,源自希腊语 stereos “坚固的、立体的”)组合而成,整体含义可理解为“在空间占据/立体特征上相同的”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Atkins’ Physical Chemistry(《阿特金斯物理化学》):在吸附与热力学相关章节中常出现如 “isosteric heat” 等表达。
  • IUPAC Compendium of Chemical Terminology(Gold Book,IUPAC《化学术语汇编》):收录并规范诸多与 isosteric/adsorption 等相关术语的用法。
  • 期刊论文(如 The Journal of Physical ChemistryLangmuir:在吸附等温线、等容吸附热计算与表面科学研究中频繁使用该词。
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