thorium
英 ['θɔːrɪəm]
美 ['θɔrɪəm]
- n. [化学] 钍（放射性金属元素，元素符号Th，原子序数为90）
thorium 钍来自 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.
来自互联网
