V2EX radium

Radium

定义 Definition

Radium 是一种放射性化学元素,符号为 Ra,原子序数为 88。它是一种银白色的碱土金属,具有强烈的放射性,能在黑暗中发出微弱的蓝光。镭由居里夫妇于1898年发现,曾广泛用于医疗和发光涂料中。

发音 Pronunciation

/re.di.m/

例句 Examples

Radium was once used in watch dials to make them glow in the dark.
镭曾被用于手表表盘上,使其在黑暗中发光。

Marie Curie's groundbreaking research on radium not only earned her two Nobel Prizes but also fundamentally transformed our understanding of atomic physics.
居里夫人对镭的开创性研究不仅为她赢得了两项诺贝尔奖,还从根本上改变了我们对原子物理学的理解。

词源 Etymology

Radium 源自拉丁语 radius,意为"射线、光线"。1898年,波兰裔法国科学家玛丽居里(Marie Curie)和丈夫皮埃尔居里(Pierre Curie)从沥青铀矿中分离出这种元素后,因其强烈的放射性而以"射线"命名。后缀 -ium 是化学元素命名的标准拉丁语词尾。

相关词汇 Related Words

文学与文化引用 Literary & Cultural References

  • 居里夫人的自传《居里夫人传》(Madame Curie,1937),由其女儿艾芙居里撰写,详细记述了镭的发现过程,是科学传记文学的经典之作。
  • 理查德罗兹(Richard Rhodes)的《原子弹的诞生》(The Making of the Atomic Bomb,1986)中多次提及镭在早期核物理研究中的关键角色。
  • 凯特穆尔(Kate Moore)的《镭女孩》(The Radium Girls,2017)讲述了20世纪初在表盘工厂使用含镭涂料的女工们的悲惨遭遇,揭示了工业安全与劳工权益的重要议题。
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