V2EX gelation

Gelation

释义 Definition

凝胶化;成胶作用:液体或溶液在物理或化学作用下形成凝胶(gel)的过程,常见于食品、材料科学、生物化学等领域。(也可泛指“变得像凝胶一样”的状态变化。)

发音 Pronunciation

/ dlen /

例句 Examples

Gelation occurs when the mixture cools.
混合物冷却时会发生凝胶化。

During gelation, long polymer chains form a network that traps water and turns the solution into a soft solid.
在凝胶化过程中,长聚合物链形成网络结构,困住水分,使溶液变成柔软的固体。

词源 Etymology

gelation 来自 gel(凝胶)+ -ation(表示“过程/作用”的名词后缀)。gel 一般认为源于拉丁语 gelu(霜、寒冷),与“冷却、冻结”引发的凝固现象有关;因此 gelation 字面上就是“形成凝胶的过程”。

相关词 Related Words

文学与作品 Literary Works

  • H. G. Wells《The War of the Worlds》:文本中出现 gelatinous(“胶状的”)等相关表达,常用于描写黏稠、凝胶般质感的物体。(同词族语汇在文学描写中更常见)
  • Virginia Woolf《To the Lighthouse》:作品里可见 gelatinous 一类同源词用于感官描写与比喻。(“gelation”本词更偏科学用语,文学中相对少见)
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