hafnium

hafnium读音音标

英[ˈhæfniəm]

美[ˈhæfniəm]

基本意思释义

n.铪

短语及实用例句

And how is it known that Mars had hafnium - 187 ?

那么是如何知道火星有铪 -187 的 呢 ?

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.

Chemical form of hafnium is perchlorate or nitrate.

铪的化学形态为过氯酸盐或硝酸盐.

Why can you always have vexed thing hafnium?

为什么总是会有烦恼的事铪?

Non hafnium superalloy DZ 4 , which is widely applied in service aero engines in present, is introduced.

介绍了目前在役发动机上使用*多的无铪定向凝固合金DZ4及其可铸性.

The extraction separation process for zirconium and hafnium with MIBK was briefly reviewed in this paper.

简要评述了用甲基异丁基酮(MIBK)萃取分离锆铪方法的基本原理、分离工艺和条件、萃取设备.

Despite its cure for leakage power, adding hafnium creates headaches for the process integration engineer.

添加铪基本解决了泄漏功耗问题, 不过铪也让工艺集成工程师头疼不已.

英英释义

Noun

1. a gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons