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- In the recovery of copper and zinc, etc. from waste hydrochloric acid by zinc powder replacement, zinc chlorinate liquor is obtained. 研究了在废盐酸溶液中用锌粉置换回收铜、铅等金属得到的氯化锌溶液,采用两步调碱和磁场作用制备碱式碳酸锌。
- The recovery of copper and zinc in the waste catalyst from the production of methanol by pickling replacement is studied. 研究了采用酸溶置换法回收废甲醇催化剂中铜和锌的工艺,并着重对酸溶、置换、沉锌等环节进行了改进。
- In view of the low ore grade and recovery of the flotation concentration,improving grinding fineness,promoting the concentration grade of copper 1. 针对该矿浮选精矿品位及回收率偏低的现实,通过提高磨矿细度,铜精矿品位提高1。
- In this paper,the recovery of silver from leach sludge of copper of Yulong copper mine,Tibet was briefly discussed using a hydrometallurgical and non-cyanide leaching technology. 本文以西藏玉龙铜矿浸铜渣为原料,采用湿法冶金工艺和无氰浸出方法提取回收其中所含的银。
- In this paper, the recovery of silver from leach sludge of copper of Yulong copper mine, Tibet was briefly discussed using a hydrometallurgical and non-cyanide leaching technology. 本文以西藏玉龙铜矿浸铜渣为原料,采用湿法冶金工艺和无氰浸出方法提取回收其中所含的银。
- Abstract: In this paper,the recovery of silver from leach sludge of copper of Yulong copper mine,Tibet was briefly discussed using a hydrometallurgical and non-cyanide leaching technology. 文摘:本文以西藏玉龙铜矿浸铜渣为原料,采用湿法冶金工艺和无氰浸出方法提取回收其中所含的银。
- By use of copper ash as raw material,a new method for direct production of cuprous chloride is introduced.The process conditions affecting on recovery of cuprous chloride are discussed. 介绍了以铜灰为原料直接生产氯化亚铜的方法,讨论了工艺条件对产品收率的影响。
- Th woman was delighted at the recovery of her stolen jewels. 那位妇人对找回被盗的珠宝感到非常高兴。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- A quick recovery of the cotton market is generally expected. 人们大都认为棉花市场将迅速恢复。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Recovery of Copper in Zinc Hydrometallurgy 电锌厂铜的回收
- hydrometaUurgical recovery of copper 湿法炼铜
- A large cooking pot made of copper or often of iron. 金属锅用铜或铁铸成的大煮锅。
- A lot has been done in the recovery of national economy in the past few years. 在过去的几年中我们为了国民经济的恢复做了大量的工作。
- The recovery of TGP was 98.2%,and RSD =2.7%. 平均回收率为 98 2%25 ,RSD =2 7%25 (n =5 )。
- The recovery of the extraction agent can reach 85%. 萃取剂回收利用率可达85%25。
- The extraction recovery of maprotiline was 81 7%. 马普替林的萃取回收率为 81 7%25。
- The average recovery of sarsasapogenin was 97.4%. 9985),平均回收率为97。
- Zambia is the world's largest exporter of copper. 赞比亚是世界上最大的铜输出国。