V2EX freezing point depression

Freezing Point Depression

释义 Definition

(化学/物理)凝固点降低:当在溶剂中加入溶质后,溶液的凝固点(结冰温度)比纯溶剂更低的现象,属于常见的依数性性质之一。

例句 Examples

Salt causes freezing point depression, so ice melts faster.
盐会引起凝固点降低,所以冰融化得更快。

In winter, road crews spread brine because freezing point depression keeps water from freezing at 0°C.
冬天,道路工人会撒盐水(卤水),因为凝固点降低会让水不在 0°C 就结冰。

发音 Pronunciation (IPA)

/friz pnt dprn/

词源 Etymology

该短语由 freezing point(凝固点)与 depression(下降、降低)组成;在科学语境中,depression 常指数值或水平的“降低”,因此 freezing point depression 直译即“凝固点的降低”。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Atkins’ Physical Chemistry(《阿特金斯物理化学》)
  • Zumdahl’s Chemistry(《祖姆达尔化学》)
  • CRC Handbook of Chemistry and Physics(《CRC 化学与物理手册》)
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