V2EX pressure dependence

Pressure Dependence

释义 Definition

pressure dependence压力依赖性/随压力变化的特性。指某个量(如反应速率、溶解度、电导率、材料性质等)会随着压力改变而发生系统性变化。常用于物理、化学、材料科学与工程语境。(也可泛指“对压力变化的敏感性”。)

发音 Pronunciation (IPA)

/prr dpndns/

例句 Examples

Pressure dependence is important when you run experiments at high altitude.
在高海拔条件下做实验时,压力依赖性很重要。

The model captures the pressure dependence of reaction rates by including an activation volume term.
该模型通过引入“活化体积”项来刻画反应速率对压力的依赖性。

词源 Etymology

pressure 源自中古法语 pression(压迫、压力),进一步来自拉丁语 pressio(按压),与 press(按、压)同源。
dependence 来自拉丁语 dependere(悬挂于、取决于),由 *de-*(向下)+ pendere(悬挂)构成。合在一起,字面意思是“取决于压力”,在科技语境中引申为“随压力变化的关系/特性”。

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》):常讨论速率常数、平衡常数等的 pressure dependence
  • Thermodynamics and an Introduction to Thermostatistics(Herbert B. Callen,《热力学与统计热力学导论》):涉及状态方程与性质随压力变化的表述。
  • Transport Phenomena(Bird, Stewart & Lightfoot,《传递现象》):在流体与传递过程参数的压力影响讨论中常见该术语。
  • Introduction to Solid State Physics(Kittel,《固体物理导论》):材料性质随压力变化的部分会出现类似表述。
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