您要查找的是不是：
- The tantalum and niobium reserves of China amount to 20% and 1.5% of world wide reserves, respectively. 摘要我国的钽占世界储量的20%25，铌占世界储量的1.;5%25。
- A method for the determination of fluorine in tantalum and niobium production waste liquid by (superscript 19)F-NMR technology was developed. 摘要建立了一种核磁共振波谱测定钽、铌生产的废液中氟含量的方法。
- Secondary caprylic alcohol is used to carry on sludge extraction on adjusting acid liquor of the low grade tantalum and niobium minerals. 采用70%25的仲辛醇对低品位钽铌矿的调酸液进行矿浆萃取。
- Research of Tantalum and Niobium Patents 钽、铌专利研究
- tantalum and niobium complex carbide 钽铌复合碳化物
- tantalum and niobium hydrometallurgy 钽铌湿法冶炼
- Recovery of Tantalum and Niobium from Secondary Material 从二次原料中回收钽铌
- Separating Methods and Resource Present Situation of Tantalum and Niobium 钽、铌资源现状及其分离方法研究进展
- Methods for chemical analysis of tantalum and niobium--Determination of sulphur content in niobium GB/T15076.;8-1994钽铌化学分析方法铌中硫量的测定
- Treatment Study of Fluoride Wastewater from Ore Decomposition Process of a Tantalum and Niobium Plant 钽铌厂矿石分解工序含氟废水处理试验
- Determination of Total Fluorine in Waste Liquid of Tantalum and Niobium Production by ~(19)F Nuclear Magnetic Resonance ~(19)F-NMR测定生产钽、铌矿的废液中总氟含量
- Study on zeolite for treating fluoride-containing wastewater in the process of ore decomposition in tantalum and niobium plant 人造沸石处理钽铌厂矿石分解工序含氟废水的研究
- tantalum and niobium 钽铌
- tantalum and niobium smelting 钽铌冶炼
- tantalum and niobium ore 钽铌矿砂
- Platinum composite electrode was prepared that platinum was compounded on titanium,tantalum,and niobium substrates by proper technology. 铂复合电极是通过适当的工艺将铂复合在钛、钽、铌等基体上。
- Recently, tantalum powder almost were prepared by Hunter process and niobium powder for the most part by aluminothermic reduction process. 综述了铌粉和钽粉的现行生产工艺及几种新的还原方法,介绍了金属热还原反应中的电化学反应机理。
- A black mineral is an ore of niobium and tantalum. 一种黑色矿物是铌、钽矿石。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
