V2EX cerium

Cerium

释义 Definition

:一种化学元素,符号 Ce,原子序数 58,属于镧系元素(稀土元素)。常见于铈矿等矿物中;其氧化物常用于抛光粉、催化材料等。(另有较少见的专门用法,如在材料学中指含铈的合金/添加剂等。)

例句 Examples

Cerium is a chemical element with the symbol Ce.
铈是一种化学元素,符号是 Ce。

Cerium oxide is widely used as a polishing agent because it can produce a very smooth finish on glass.
由于能让玻璃表面获得非常光滑的效果,氧化铈被广泛用作抛光剂。

发音 Pronunciation

/srim/

词源 Etymology

cerium 来自拉丁化命名 Ceres(“刻瑞斯”,罗马农业女神之名),也指 1801 年发现的天体 Ceres(谷神星)。铈在 1803 年被发现后以此命名,体现了当时用天体/神话为新元素命名的传统。

相关词 Related Words

文学与作品 Literary Works

  • Primo Levi, The Periodic Table(《元素周期表》):以元素为章节主题的纪实文学作品中提及并讨论包括铈在内的元素及其相关材料。
  • Oliver Sacks, Uncle Tungsten(《钨舅舅》):科普回忆录中谈到化学与元素世界,涉及包括稀土元素在内的化学材料背景。
  • Sam Kean, The Disappearing Spoon(《消失的勺子》):以元素故事串联的科普作品中涉及多种元素与其用途、历史语境(包含稀土相关内容)。
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