V2EX interfacial tension

Interfacial Tension

定义 Definition

界面张力:指两种不相混溶相(如油/水、气/液)在接触界面上由于分子作用力不均衡而产生的“收缩”趋势,表现为单位长度上的力(常用单位 N/m)。它影响液滴形状、乳液稳定性、润湿与铺展等现象。(常见相关概念还有 surface tension “表面张力”,但后者多指液体与空气/真空的界面。)

发音 Pronunciation (IPA)

/ntrfel tnn/

词源 Etymology

由 **inter-**(“在……之间”)+ facial(来自 face,“表面/界面”)+ tension(“拉伸、张力”)构成,字面意思就是“发生在两者之间界面上的张力”。

例句 Examples

Interfacial tension affects how oil and water separate.
界面张力会影响油和水如何分层分离。

By adding a surfactant, the interfacial tension between the two liquids decreases, making it easier to form a stable emulsion.
加入表面活性剂后,两种液体之间的界面张力会降低,从而更容易形成稳定的乳液。

相关词 Related Words

文学与经典著作 Literary / Notable Works

  • Intermolecular and Surface Forces(Jacob N. Israelachvili)在讨论界面与分子间作用力时频繁使用 interfacial tension
  • Principles of Colloid and Surface Chemistry(Paul C. Hiemenz & Raj Rajagopalan)胶体与界面化学中用于解释乳液、润湿等现象的核心术语。
  • Physical Chemistry of Surfaces(Arthur W. Adamson & Alice P. Gast)表面/界面热力学章节中系统出现该术语。
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