thorium

• n. [化学] 钍（放射性金属元素，元素符号Th，原子序数为90）

来自 Thor,雷神索尔，-ium,元素后缀。由其发现者 19 世纪瑞典化学家 Jons Jakob Berzelius 以北欧神话中的英雄人物雷神索尔命名。

thorium (n.)

rare metallic element, 1832, Modern Latin, named by its discoverer, Swedish chemist Jöns Jakob Berzelius (1779-1848) from thorite (silicate of thorium), the name of a mineral found in Norway from which it was extracted (which Berzelius also had named, as thoria, in 1828), and named in honor of the Scandinavian god Thor. With chemical ending -ium.

1. They recognized that in a thorium province Pb 208 would present complications.

他们承认,含钍区内的Pb208会产生干扰.

来自辞典例句

2. Marie found another called thorium.

玛丽发现了另一种物质,叫钍.

来自辞典例句

3. A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances.

少数元素, 其中有铀和钍,通过它们核的变化自然蜕变成较轻的元素.

来自辞典例句

4. Followed by the slow decomposition of uranium to another element thorium.

铀元素随后缓慢分解为另一种元素钍.

来自互联网

5. This is clearly confirmed by the detection of thorium.

这显然证实了检测钍.

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