hafnium
英 ['hæfnɪəm]
美 ['hæfnɪəm]
hafnium 铪来自拉丁语Hafnia,现丹麦首都哥本哈根拉丁语名，因这种金属元素于哥本哈根首次发现而得名，字面意思为港口，词源同haven,copenhagen.
- hafnium (n.)
- rare element, 1923, Modern Latin, from Hafnia, Medieval Latin form of Danish Havn "harbor," the usual pre-1400 name of Copenhagen, Denmark, where the element was discovered by physicist Dirk Coster (1889-1950) and chemist George de Hevesy (1885-1966).
- 1. And how is it known that Mars had hafnium - 187 ?
- 那么是如何知道火星有铪 -187 的 呢 ?
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- 2. The field emission properties of hafnium coated carbon nanotubes ( CNTs ) were investigated.
- 研究了表面沉积铪膜并进行后处理对碳 纳米管 膜场电子发射性能的影响.
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- 3. This activator is acyl amine - the hafnium activator that ether is a foundation.
- 该催化剂为酰胺 - 醚为基础的铪催化剂.
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- 4. Chemical form of hafnium is perchlorate or nitrate.
- 铪的化学形态为过氯酸盐或硝酸盐.
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- 5. Why can you always have vexed thing hafnium?
- 为什么总是会有烦恼的事铪?
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[ hafnium 造句 ]
