V2EX phase boundary

Phase Boundary

定义 Definition

phase boundary相界面 / 相边界,指两种不同(如固相-液相、液相-气相、两种不同晶相)之间的分界区域或界面。在相图中也可指分隔不同相区的边界线。(在某些语境下也可泛指“阶段的分界”,但科学技术语境最常见。)

发音 Pronunciation

/fez band()ri/

例句 Examples

At 0°C, water can sit right on the phase boundary between ice and liquid.
在 0°C 时,水可能正处在冰和液态水之间的相界面(相边界)上。

In the phase diagram, a small change in pressure can move the system across the phase boundary and trigger a sudden change in structure.
在相图中,压力的微小变化就可能使体系跨越相边界,并引发结构的突变。

词源 Etymology

phase 源自希腊语 phasis(“显现、出现”),经由拉丁语与法语进入英语,用来表示事物呈现出的“状态/相”;boundary 来自 bound(界限)加后缀 -ary(表示与……有关),合起来字面义为“相的界限”,即不同相之间的分界。

相关词 Related Words

文学与经典著作 Literary Works

  • Introduction to Phase Transitions and Critical Phenomena(H. E. Stanley):讨论相变与临界现象时频繁使用 phase boundary
  • Phase Transformations in Metals and Alloys(Porter & Easterling):在金属相变与显微组织章节中常见 phase boundary(相界/相界面)用法。
  • Thermodynamics and an Introduction to Thermostatistics(H. B. Callen):在热力学平衡与相共存的论述中会提到相边界相关概念。
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