V2EX phase separation

Phase Separation

释义 Definition(中文)

相分离:指原本均一的体系(如溶液、混合物)在一定条件下(温度、浓度、压力、盐度等变化)自发分成两相或多相,各相成分或结构不同。常见于聚合物溶液、油水体系、合金、以及生物分子凝聚体(液-液相分离)等情境。
(也可泛指“阶段性的分离”,但在理工与生物语境中通常指“相分离”。)

发音 Pronunciation(IPA)

/fez spren/

例句 Examples

Phase separation can make oil and water form two layers.
相分离会让油和水形成两层。

Under stress, some proteins undergo phase separation, creating liquid-like droplets that concentrate specific molecules without membranes.
在压力条件下,一些蛋白质会发生相分离,形成类似液滴的结构,在没有膜的情况下富集特定分子。

词源 Etymology(中文)

phase 来自希腊语 phasis,本义与“显现、阶段/状态”相关;separation 来自拉丁语 separare,意为“分开、分离”。合起来 phase separation 字面即“不同状态(相)的分开”,用于描述混合体系分出不同“相”的现象。

相关词 Related Words

文献与作品 Literary / Notable Works(出现语境)

  • Principles of Polymer Chemistry(Paul J. Flory)聚合物体系中相分离与相行为的经典讨论
  • Physical Chemistry(Atkins & de Paula)相图、相平衡与相分离的基础框架
  • Molecular Biology of the Cell(Alberts et al.)细胞内生物分子凝聚体与相分离相关内容(不同版本章节表述略有差异)
  • Phase Transitions and Critical Phenomena(Domb & Green 编)相变理论背景下的相分离与临界现象讨论
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