hafnium

• n. [化学] 铪（金属元素）

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 ?

来自互联网

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.

来自互联网

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.

来自互联网

4. Chemical form of hafnium is perchlorate or nitrate.

铪的化学形态为过氯酸盐或硝酸盐.

来自互联网

5. Why can you always have vexed thing hafnium?

为什么总是会有烦恼的事铪?

来自互联网