V2EX grain size

Grain Size

释义 Definition

grain size颗粒大小;晶粒尺寸。常用于材料科学(晶粒大小影响强度、韧性等)、地质/土壤学(沉积物颗粒大小)、以及摄影/成像中指“颗粒感”的粗细(语境不同含义略有差别)。

发音 Pronunciation

/ren saz/

例句 Examples

The sand has a fine grain size.
这片沙子的颗粒很细。

Engineers adjusted the heat treatment to control grain size and improve the metal’s toughness.
工程师通过调整热处理来控制晶粒尺寸,从而提高金属的韧性。

词源 Etymology

grain(颗粒;谷粒;晶粒) + size(大小) 构成的复合名词。最初可直观理解为“颗粒的大小”,后来在不同学科中固定为术语:在冶金中常指“晶粒尺寸”,在沉积学中指“颗粒级配/粒径”。

相关词 Related Words

文学与作品 Literary Works

  • Krumbein & Sloss,《Stratigraphy and Sedimentation》:讨论沉积物分类与grain size分析方法。
  • William D. Callister,《Materials Science and Engineering: An Introduction》:用grain size解释材料性能与显微组织关系。
  • ASM International,《ASM Handbook》(多卷本):在金属组织与热处理章节中频繁使用grain size作为关键指标。
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