V2EX charge balance

Charge Balance

释义 Definition

电荷平衡:指在一个体系(如溶液、反应、模型或电路节点)中,正电荷与负电荷的总量相等(或电荷守恒得到满足),从而使体系在宏观上不呈现净电荷偏差。常用于分析电解质溶液、酸碱平衡、配位/沉淀体系电化学问题。

发音 Pronunciation (IPA)

/trd blns/

例句 Examples

The equation must satisfy charge balance.
这个方程必须满足电荷平衡。

To model the solution chemistry correctly, we enforced charge balance while simultaneously applying mass balance and equilibrium constants.
为正确建立溶液化学模型,我们在同时考虑质量守恒与平衡常数的情况下,强制满足电荷平衡。

词源 Etymology

charge 原意与“负载、责任、费用”相关,后在物理学中引申为“电荷”;源自古法语 charge,更早可追溯到拉丁语 carricare(装载)。balance 来自拉丁语 bilanx(“两盘天平”,bi- 表“二”,lanx 表“盘”),引申为“平衡”。合起来 charge balance 字面即“电荷的平衡”。

相关词 Related Words

  • Electroneutrality
  • Charge Conservation
  • Mass Balance
  • Ion
  • Electrolyte
  • Oxidation
  • Reduction
  • Stoichiometry
  • 文献与作品 Literary / Notable Works

    • Atkins’ Physical Chemistry(《阿特金斯物理化学》)在电解质与电化学章节中常涉及电荷平衡/电中性条件。
    • Electrochemical Methods: Fundamentals and Applications(Bard & Faulkner,《电化学方法》)用于电化学体系建模与守恒关系讨论。
    • IUPAC *Compendium of Chemical Terminology (Gold Book)*(IUPAC“金皮书”)相关术语(如 electroneutrality、电荷守恒)常与电荷平衡概念配套出现。
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