常見例句Why can you always have vexed thing hafnium? 為什么總是會有煩惱的事鉿?Characters of hafnium oxide deposited by reactive ion-assisted deposition[J]. 引用該論文 王聰娟;晉云霞;邵建達(dá);范正修.Non hafnium superalloy DZ4, which is widely applied in service aero engines in present, is introduced. 介紹了目前在役發(fā)動機上使用最多的無鉿定向凝固合金DZ4及其可鑄性。The extraction separation process for zirconium and hafnium with MIBK was briefly reviewed in this paper. 簡要評述了用甲基異丁基酮(MIBK)萃取分離鋯鉿方法的基本原理、分離工藝和條件、萃取設(shè)備。The field emission properties of hafnium coated carbon nanotubes(CNTs) were investigated. 研究了表面沉積鉿膜并進行后處理對碳納米管膜場電子發(fā)射性能的影響。This activator is acyl amine - the hafnium activator that ether is a foundation. 該催化劑為酰胺-醚為基礎(chǔ)的鉿催化劑。 返回 hafnium