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- copper and cobalt catalysts 铜、钴催化剂
- For copper and cobalt, China looks to the Democratic Republic of Congo and Zambia; for iron ore and platinum, South Africa. 为了铜和钴，中国关注刚果民主主义共和国和赞比亚；为了铁矿和铂，关注南非。
- Figures at the Congolese ministry of mines say that monthly export of copper and cobalt range from 5,500 to 9,000 tonnes. 刚果矿业部的统计数字说每月出口的铜矿和钴矿为5500吨到9000吨。
- Katanga plans to accelerate development of its copper and cobalt assets in Congo by two years. Katanga计划将其刚果铜和钴资产的开发时间缩短两年。
- The Katanga region of Congo has some of the world's best deposits of copper and cobalt. 刚果的加丹加地区拥有一些全球储量最丰富的铜矿和钴矿。
- Companies with new deals to exploit copper and cobalt in the mineral-rich Katanga province were making hundreds of millions of dollars on stock exchanges across the world. 那些公司在矿产丰富的加丹加省有新合同来开采铜和钴的，正在全球股票交易所获得数亿美元的收益。
- The extraordinarily high grades of copper and cobalt ore in Katanga province have attracted scores of foreign mining companies. 加丹加省铜矿石和钴矿石极高的品位引来了数十家外国矿业公司。
- Copper and gold are both metals. 铜和金都是金属。
- Bulk flotation of copper and cobalt 铜钴混合浮选
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- The fusion of copper and zinc makes the metal brass. 铜和锌的熔化制成黄铜。
- SEPARATION OF COPPER AND COBALT FROM AMMONIA SOLUTION BY SOLVENT EXTRACTION 从氨性溶液中萃取分离铜、钴的研究
- PURIFICATION TEST OF ZINC SULPHATE SOLUTION BEARING RICH IN COPPER AND COBALT 高铜钴硫酸锌溶液净化操作的试验
- The fusion of copper and zinc make the metal brass. 铜和锌的熔化制成黄铜。
- The cobalt oxide is produced from cobalt catalyst waste by using acidolysis precipitate method. 用含钴催化剂废料作原料,采用酸溶-沉淀法工艺制取氧化钴。
- We refer to copper and silver as good conductors. 我们认为铜和银是良导体。
- Copper oxide is made up of copper and oxygen. 氧化铜是由铜和氧组成的。
- Four novel mesoporous silica supported cobalt catalysts (Co/HMS, Co/SBA-12, Co/MSU-1 (another name was Co/MSU0195), Co/MCM-41) containing 15wt% Co were prepared. 比较四种常见介孔分子筛(HMS、SBA-12、MSU-1(以下用代号MSU0195表示)、MCM-41)为载体制备的负载型钴催化剂。
