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- A new process of metallurgy of rare metals zirconium and hafnium with caustic soda instead of sodium carbonate to rub up zircon is examined. 研究了以氢氧化钠代替碳酸钠拌和锆英砂冶炼锆、铪稀有金属的新工艺。
- Application of Membrane Technology in Metallurgy of Rare Metals 膜技术在稀有金属冶炼中的应用
- metallurgy of rare metals 稀有金属冶金
- The application, application status analysis and application prospect of rare metals in nuclear reactor were outlined. 论述了世界核反应堆现状、所用的稀有金属、应用现状及发展前景。
- Goose eggs don't think much of chicken eggs and the ferrous metals don't think much of rare metals -- such a disdainful attitude is not scientific. 鹅蛋看不起鸡蛋,黑色金属看不起稀有金属,这种看不起人的态度是不科学的。
- Roomtemperature brittleness and improvement methods of ordered TiAl alloys[J].Chinese Journal of Rare Metals,1993,17(4):295-300. TiAl有序合金的室温脆性与改善途径[J].;稀有金属;1993;17(4):295-300
- The distribution of rare metals and RE in space and origin correlated with granite of Yanshan period with horizontal and vertical zonal rules. 稀有稀土金属矿床在空间分布与成因上,与燕山期花岗岩体密切相关,往往具有水平分带和垂向分带规律。
- Temporo-spatial Regularities of Rare metal and Ree deposits in Xinjiang,Northwest China. Chen Fuwen(陈富文),Li Huaqin(李华芹),Lu Yuanfa(路远发).
- Our company produces mainly all kinds of tungsten electrodes containing additive of rare metal oxides,respectively (WT,WCE,WZR,WIA,W). 本公司主要产品是稀有金属添加剂的钨电极(钍钨、铈钨、锆钨、镧钨、纯钨)。
- Our company produces mainly all kinds of tungsten electrodes containing additive of rare metal oxides,respectively (WT,WCE,WZR,WIA,W)....... 展商简介: 本公司主要产品是稀有金属添加剂的钨电极(钍钨、铈钨、锆钨、镧钨、纯钨)。
- As the price of rare metal,nickel and chrome,increases significantly the expense of nichrome conveyer rises which will bring economical pressure to glass enterprises. 目前镍铬等稀有金属价格的大幅涨价,使得企业生产成本上升。
- It is also an important concentration area of rare metal resourc es, where the Jiajika rare metal deposit is the largest pegmatite-type Li-po lymetal deposit in China. 青藏高原东部是中国仅次于新疆阿尔泰的伟晶岩集中产出的地区之一,也是世界上重要的伟晶岩型稀有金属矿产资源产地,其中的甲基卡矿床是中国最大的伟晶岩型锂多金属矿床。
- The applications of ion exchange membrane and press driving membrane in the metallurgies of rare earth, tungsten and rhenium were introduced. 介绍了离子交换膜及压力驱动膜在稀土、钨、铼的提取冶金工艺中的应用,涉及的膜过程包括膜电解、扩散渗析、电渗析、反渗透、纳滤、超滤。
- Parliament has passed an Act forbidding the killing of rare animals. 国会通过了一项法令,禁止捕杀珍稀动物。
- A collector of rare insects will show us some of his latest discoveries. 一位稀有昆虫采集家将给我们看一些他的最新发现。
- There was also an aviary full of rare birds. 那里面还有装满稀有鸟类的鸟舍。
- The zoo has a lot of rare animals in it. 这个动物园有许多珍奇的动物。
- Some rare metals have radioactivity. 某些稀有金属具有放射性。
- Has a marvelous collection of rare books. 拥有一流珍本书籍的收藏
- CURRENT SITUATION OF RARE METAL RESOURCES IN CHINA 我国稀有金属资源现状分析