n.铪;
例句:
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.
Chemical form of hafnium is perchlorate or nitrate.
铪的化学形态为过氯酸盐或硝酸盐.
And how is it known that Mars had hafnium-187 ?
那么是如何知道火星有铪 -187 的 呢 ?