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- Using the residual reductant in wastewast on mica to react with the metallic ions and then remove copper and nikel. 方法是,对所含金属离子利用老化废液中残存的还原剂在云母上将铜及镍还原析出后进行去除。
- Deburring As drill removes copper a small copper ridge forms around the hole edge. 去毛刺-钻孔后会在铜箔和孔壁上产生粗糙边。
- The application of hydrometallurgical processes which remove copper ion may recovery lots of metals in waste perforated anode and cathode plates. 采用置换除铜湿法工艺可从废旧正、负极穿孔钢带极片中回收多种金属。
- The result of study indicated that the electrolytic method can remove copper ions of the alkali ammonia etching wastewater effectively, and reclaim metal copper. 研究结果表明,电解法能够有效地去除碱氨蚀刻废水中的铜离子,并可以回收金属铜。
- The gold in blister copper sample was pretreated with nitric acid-sulphuric acid to remove copper, digested with aqua, and determined by flame atom absorbance spectrometry. 摘要本文建立了用硝酸－硫酸预处理除去大量的铜，王水溶解，火焰原子吸收法测定粗铜中金的分析方法。
- The gold in blister copper sample was pretreated with nitric acid-sulphuric acid to remove copper,digested with aqua,and determined by flame atom absorbance spectrometry. 本文建立了用硝酸-硫酸预处理除去大量的铜,王水溶解,火焰原子吸收法测定粗铜中金的分析方法。
- Test results showed that use of ammoniacal solution pretreatment can effectively remove copper,and thus alleviating negative effect of copper on leaching of gold. 结果表明：采用含氨溶液预处理除铜，有效地排除了铜对氰化浸金的影响。
- We are removing from London to the country. 我们正从伦敦迁往乡下。
- Feasibility study of removing copper from molten steel by electric field 电场作用下钢水中铜元素的分离
- Workers are removing impurities from silver. 工人们正去除银中的杂质。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- Pig iron is converted into steel by removing most but not all the impurities. 生铁变成钢要除掉大部分而不是全部的杂质。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
