V2EX capillary action

Capillary Action

释义 Definition

毛细作用/毛细现象:由于液体的表面张力与液体和固体之间的黏附力、内聚力共同作用,使液体在细管或多孔材料(如纸、土壤、织物)中自动上升或渗透的现象。

发音 Pronunciation

/kpleri kn/

例句 Examples

Water rises in a thin tube because of capillary action.
水会在细管中上升,这是由于毛细作用。

Capillary action allows moisture to travel through soil and plant tissues, sustaining growth even when rainfall is scarce.
毛细作用使水分能在土壤和植物组织中移动,即使降雨稀少也能维持生长。

词源 Etymology

capillary 源自拉丁语 capillaris(“像头发一样细的”),来自 capillus(“头发”),强调“极细的管道”;action 来自拉丁语 actio(“行动、作用”)。合起来指“在细小通道中发生的液体上升/渗透作用”。

相关词 Related Words

文学与著作 Literary Works

  • A Text-book of Physics(《物理学教科书》) John H. Poynting & J. J. Thomson(常在液体与表面张力章节中讨论毛细作用)
  • A Treatise on Electricity and Magnetism(《电磁学论》) James Clerk Maxwell(在物理学广泛讨论中涉及与表面现象相关的内容,常与毛细现象并列出现于经典物理语境)
  • Hydraulics(《水力学》相关教材与专著传统) 经典工程与流体教材中常作为“多孔介质与渗流/润湿”基础概念出现
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