V2EX fission

Fission

释义 Definition

fission 是一个名词(也可作动词),意为"裂变;分裂"。最常见的用法是指核裂变(nuclear fission),即原子核分裂为两个或多个较小的原子核并释放大量能量的过程。也可泛指任何事物的分裂或分离。

发音 Pronunciation

/f.n/

例句 Examples

The discovery of nuclear fission changed the course of history.
核裂变的发现改变了历史的进程。

In biology, fission is a form of asexual reproduction in which a single organism divides into two or more independent organisms, each capable of surviving on its own.
在生物学中,裂变是一种无性繁殖方式,单个有机体分裂成两个或多个独立的有机体,每个都能独立存活。

词源 Etymology

fission 源自拉丁语 fissionem,是 findere 的过去分词形式,意为"劈开、分裂"。该词在17世纪进入英语,最初用于一般意义上的"分裂"。1939年,物理学家借用此词来描述原子核的分裂过程,即 nuclear fission(核裂变),此后这一含义成为该词最广为人知的用法。

相关词汇 Related Words

文学与著名作品引用 Literary References

  • 理查德罗兹(Richard Rhodes)的《原子弹的制造》(The Making of the Atomic Bomb,1986)详细记述了核裂变从发现到应用的历史,是关于该主题最权威的非虚构作品之一。
  • 迈克尔弗莱恩(Michael Frayn)的戏剧《哥本哈根》(Copenhagen,1998)围绕海森堡与玻尔关于核裂变的著名会面展开,深入探讨了科学伦理问题。
  • HG威尔斯(H. G. Wells)在《获得自由的世界》(The World Set Free,1914)中预言性地描写了原子能的释放,被认为是最早在文学中涉及核裂变概念的作品之一。
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