V2EX nonideality

Nonideality

释义 Definition

nonideality非理想性;指系统(如气体、溶液、混合物等)的实际行为偏离理想模型(如理想气体、理想溶液、理想混合等)的程度,常用于热力学与相平衡、传递过程等语境。

发音 Pronunciation (IPA)

/nnadilti/

例句 Examples

Nonideality increases at high pressure.
在高压下,非理想性会增强。

To model the mixture accurately, the engineer accounted for nonideality using an equation of state and activity coefficients.
为了准确建模该混合物,工程师使用状态方程与活度系数来考虑非理想性。

词源 Etymology

由 **non-**(“非、不”)+ ideality(“理想性”,来自 ideal “理想的”)构成,字面义即“非理想性”。在科学英语中常用来概括“与理想假设不一致的真实效应”,例如分子间作用力、有限分子体积、强非理想混合等导致的偏差。

相关词 Related Words

文学与著作 Literary Works

  • Molecular Thermodynamics of Fluid-Phase Equilibria(Prausnitz 等)讨论流体相平衡中的非理想性与模型化方法。
  • Introduction to Chemical Engineering Thermodynamics(Smith, Van Ness, Abbott)用非理想性解释真实混合物偏离理想行为的原因。
  • The Properties of Gases and Liquids(Poling, Prausnitz, O’Connell)涉及真实气体/液体性质与非理想效应的表征。
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