V2EX ionized gas

Ionized Gas

释义 Definition

电离气体:一种气体因受高温、强电场或辐射等作用而发生电离,产生自由电子离子的混合物,通常能导电,并对电磁场有明显响应。常被视为“等离子体(plasma)”的一种表述(语境上常强调“气体被电离”这一过程或状态)。

发音 Pronunciation

/anazd s/

词源 Etymology

ionized 来自 ionize(“使电离”),词根与 ion(离子)相关,源于希腊语 ion(“行进者”),早期用于指在电场中“移动”的带电粒子;gas 源自荷兰语 gas,后成为表示“气体”的通用科学词汇。合起来 ionized gas 字面义为“被电离的气体”。

例句 Examples

Ionized gas can conduct electricity.
电离气体可以导电。

In a neon sign, an electric field turns the low-pressure gas into ionized gas, producing a stable glow as electrons collide with atoms.
在霓虹灯中,电场把低压气体变成电离气体;电子与原子碰撞时会产生稳定的发光。

相关词 Related Words

文学与著作 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》)在讨论电磁学与物质状态时常涉及电离气体/等离子体的描述。
  • Introduction to Plasma Physics and Controlled Fusion(Francis F. Chen,《等离子体物理导论与受控聚变》)以“电离气体”作为等离子体的基础定义与应用起点。
  • Cosmos(Carl Sagan,《宇宙》)在介绍恒星、星云等天体现象时常谈到由电离气体构成的天体环境。
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