本月3日，紫金矿业位于上杭县的紫金山铜矿湿法厂发生污水渗漏事故，9100立方米废水外渗引发福建汀江流域污染，造成鱼类大面积死亡。
On July 3, about 9,100 cubic meters of waste water spewed from a blown-out sewage tank at a copper plant owned by Zijin into the Tingjiang River in Fujian, killing thousands of fish.
这个矿井与1960年开始出产铜矿。 铜矿的开采知识这里出现了一个深1.2米，宽4米，面积为7.7平方千米的深坑。
The mine has been in production since 1906, and has resulted in a pit over 1.2 km deep, 4 km wide, and covering 7.7 square kilometers.
它还将建设一座冶炼厂来提炼铜矿石，同时建设一条铁路，一方面向发电站运输煤矿，另一方面把这些铜运回中国。
It will build a smelter to refine copper ore, and a railroad to carry coal to the power plant and copper back to China.
用量子化学的CNDO/2方法，计算了黄药与硫化铜矿物、氧化铜矿物吸附体系简化模型。
The quantum chemical CNDO/2 method is used for calculating the reduced model of xanthate adsorption onto the minerals of copper sulphide or oxide.
用量子化学的CNDO/2方法，计算了黄药与硫化铜矿物、氧化铜矿物吸附体系简化模型。
The quantum chemical CNDO/2 method is used for calculating the reduced model of xanthate adsorption onto the minerals of copper sulphide or oxide.
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