V2EX glow discharge

Glow Discharge

释义 Definition(中英释义)

辉光放电:一种低压气体中的电放电现象。在电场作用下,气体被部分电离形成等离子体,并发出稳定的可见“辉光”,常用于霓虹灯、等离子体处理、溅射镀膜、真空放电与气体放电实验等。(在不同条件下还可能与电弧放电等其他放电形态相区别。)

发音 Pronunciation(IPA)

/lo dstrd/

例句 Examples

Glow discharge is often used to clean a surface before coating.
辉光放电常用于涂层前的表面清洁。

Under low pressure, the gas enters a glow discharge regime where electrons excite atoms and produce characteristic light.
在低压条件下,气体会进入辉光放电状态,电子激发原子并产生具有特征的发光谱线。

词源 Etymology(词源简述)

glow 源自古英语 glōwan,意为“发光、发热”。discharge 来自中古法语与拉丁语系词根,表示“释放、卸除(负载)”,在物理语境中引申为“电荷释放/放电”。合起来 glow discharge 即“伴随可见辉光的放电”。

相关词 Related Words

文学与著作 Literary Works(出现于哪些著作)

  • Lieberman & Lichtenberg,《Principles of Plasma Discharges and Materials Processing》(系统讨论辉光放电机理与应用)
  • Francis F. Chen,《Introduction to Plasma Physics and Controlled Fusion》(以等离子体物理视角涉及辉光放电与相关放电现象)
  • J. D. Cobine,《Gaseous Conductors: Theory and Engineering Applications》(气体导电与各类气体放电,包括辉光放电)
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