1) rare metal alloys
稀有金属合金
1.
In this article,the latest exploratory development of Azo reagents in spectrophotometrical analysis of rare metal alloys is reviewed.
介绍了偶氮试剂在稀有金属合金光度分析中实际应用的新近发展状况 ,论述了显色反应的条件 ,以及相应光度分析方法的检出限或灵敏度、测定范围和干扰情况。
2) rare metal
稀有金属
1.
~(40)Ar/~(39)Ar dating for the Jiajika pegmatite-type rare metal deposit in western Sichuan and its significance;
四川甲基卡伟晶岩型稀有金属矿床的成矿时代及其意义
2.
This paper introduces the usage of important rare metal and the resources and development situation of the rare mental in China,and advances some concrete measures for protecting the important strategic materials and mineral resources.
介绍了重要稀有金属的用途和我国稀有金属资源与开发情况,提出了对重要的战略物资和矿产资源保护的具体措施。
3.
China is rich in rare metal and rare earth element resource, current situation for some rare metal is still not ideal.
我国是稀有稀土金属资源储量丰富的国家,但部分稀有金属资源现状并不理想,随着高新科技的发展,稀有金属消耗量大增,每年都不得不从国外大量进口稀有金属精矿,因此加强稀有金属找矿,提高矿山采矿水平是当前必须解决的问题。
3) rare metals
稀有金属
1.
The metalogenic relationships between metasometism of rock body and rare metals of tantalum, niobium, lithium, rubidium and cesium etc are discussed, based on granite body' s rock phase subdividing and characteristics of rock evolution of Yashan, and metallogenetic mechanism and types of genesis of deposit are analysed.
根据雅山花岗岩体相带划分及岩体演化特征,论述岩体交代作用与Ta、Nb、Li、Rb、Cs等稀有金属的成矿关系,进而探讨矿床形成机制和成因类型。
2.
With requred to the melting of rare metals the major issues are the development of melting technology, assurance of product quality, and increase in production efficiency.
真空自耗电弧炉是熔炼钛、锆等稀有金属的主要工业手段，如何提高熔炼工艺水平，保证产品质量，提高经济效益，已成为稀有金属行业广泛关注的问题。
3.
Although the prices of copper and gold are lowering down in the international market,both of the prices and sales volume of rare metals are increasing,due to their more and more extensive application in the fields of aerospace,electronics,ceramics,metallurgy and other industries.
近年来国际市场上铜、金等主要金属价格狂跌不止，但稀有金属由于在电子、航空、陶瓷、冶金等领域中的应用越来越广而形势看好，并推动了矿床学界对稀有金属矿床的研究。
5) Rare refractory metals and its alloy
稀有难熔金属及其合金
补充资料：放射性稀有金属
分子式：
分子量：
CAS号：
性质：见稀有元素。
分子量：
CAS号：
性质：见稀有元素。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条