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- secondary copper materials 再生铜物料
- Top-Blown Oxygen Converter's Autogenous Smelting of Secondary Copper Concentrate. 氧气顶吹自热炉吃吹练二次铜精矿
- Handling of anode slime produced from primary copper concentrate and secondary copper concentrate in Jinchuan Group Co. 论金川集团有限公司原生铜精矿及二次铜精矿所产阳极泥处理工艺。
- In a nonattendant substation that has operated for less than one year, more or less erosion has occurred on the surfaces of all copper materials. 摘要一座投运不到一年的无人值守变电站，所有铜质料表面均出现了不同程度的腐蚀；经测试分析，其腐蚀原因为硫化氢气体腐蚀。
- Speciality: Product structure: coppery material. 特性：1.;产品构造：由铜制品加工组成。
- Abundant copper material was derived from volcanic rock series (olivine tholeiite) in the rift. 丰富的铜质来自巨厚的裂谷火山岩系（橄榄拉斑玄武岩）。
- The forgeability of dispersion-strengthened copper material with high strength and high conductivity is studied. 对高强高导弥散强化铜材料的可锻性进行了实验研究。
- Uses the German speciaized male,copper material,the purity reaches stabs 99.99%,atisfies to the customer high quality demand. 专业人员紧跟市场潮流，针对不同需求的人士或企事业专业设计开发。产品经上海公安部检验100%25合格，安全防盗更气派。
- Never lax, fine industry asks the essence. The splendor copper gate uses expensively specially makes the redcopper is the raw material, the copper material completely. 永不松懈，精益求精。荣华铜门采用昂贵的特制紫铜为原材料，铜材全部采用德国专业公司铜材，纯度达到99.;99%25满足于客户高品质的需求。
- The Research of Bioleaching Low Grade Secondary Copper Sulphide Ore 低品位次生硫化铜矿的细菌浸出研究
- The Status Quo and its Future of China Secondary Copper Industry 中国再生铜工业现状及发展趋势
- Copper Materials: New Favorite for Housing Decoration 铜材:家装新宠
- Copper conducts electricity better than other materials. 铜比其他材料导电性能好。
- Copper conducts electricity better than other materials do. 铜的导电性能比其他材料好。
- The product vacuum arcing chamber adopts porcelain insulation case, the contactor adopts wolfram and copper material, it has the advantage of reliable performance, long life, small volume, no explosion danger, no pollution environment. 该型号真空灭弧室采用陶瓷绝缘外壳，触头采用钨铜材料，具有性能可靠、寿命长、体积小、无爆炸危险，不污染环境等优点。
- Design and Innovation of Airtight Blast furnace of Secondary Copper Concentrate 二次铜精矿密闭鼓风炉的设计及创新
- Her age is of secondary interest. 她的年龄不太重要。
- 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。
