V2EX nuclear force

Nuclear Force

定义 Definition

nuclear force核力;指把原子核中的质子和中子束缚在一起的相互作用,通常主要指强核力(强相互作用在核尺度上的表现)。在更广义的语境中,有时也会泛指与原子核相关的基本相互作用(如弱相互作用),但最常见用法是指使原子核稳定的那种“强”的作用力。

发音 Pronunciation

/nuklir frs/

例句 Examples

Nuclear force holds the nucleus together.
核力把原子核维系在一起。

Although the electromagnetic force makes protons repel each other, the nuclear force dominates at very short distances and binds nucleons into stable nuclei.
虽然电磁力会让质子彼此排斥,但在极短距离内核力占主导,从而把核子结合成稳定的原子核。

词源 Etymology

nuclear 来自拉丁语 nucleus(“核、核心”),最初指“中心/核心”,后来用于原子物理中表示“原子核的”。force 源自拉丁语 fortis(“强的”)相关词根,在英语中发展为“力、作用力”。组合成 nuclear force,字面义即“与原子核有关的力/作用力”。

相关词 Related Words

文学与著作 Literary Works

  • The Feynman Lectures on Physics(《费曼物理学讲义》)中在讨论核结构与基本相互作用时会提到与“核力”相关的概念与表述。
  • A Brief History of Time(《时间简史》)在介绍基本力与粒子物理时涉及强相互作用等内容,语境中常出现“nuclear force/strong nuclear force”等说法。
  • Introduction to Nuclear Physics(《核物理导论》类教材)在核结构、核束缚与核反应章节中频繁使用 nuclear force
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