El Salvador produces 100,000 tons of refined copper annually.
萨尔瓦多一年生产10万吨精炼铜。
Refined copper and copper alloys, unwrought.
未锻轧的精炼铜及铜合金。
China's Daye to double refined copper output by 2015.
预计2015年，中国大冶公司精炼铜产量翻番。
Aren't comparing the refined copper from two ores of the same purity and amount a more convincing way?
难道不是，比较从两块同纯度、同量的矿石中提炼好的铜才是更可信的方法么？
In this way, China needs to import directly from a large number of copper, refined copper consumption, and thus have a great impact.
这样，我国就需要直接大量地从国外进口铜材，从而对精铜消费有极大的影响。
A new measure method of cadmium bismuth copper lead and iron in refined antimony by atomic absorption spectrophotometer was present.
提出了原子吸收分光光度法快速测定精锑中微量镉铋铜铅铁的新方法。
The results show that, when the T2 pure copper is extruded in multipass by route BC, the grains can be refined.
结果表明，T2工业纯铜在BC路径下经历多次挤压后，晶粒得到细化。
The copper recovered from jamesonite concentrate contains too much impurities like lead, sliver, antimony and bismuth, and can't be refined with normal electrolysis process.
从铅锑复合矿中综合回收产出的粗铜阳极含铜低，含铅银锑铋等杂质很高，无法采用常规电解方法电解。
The copper recovered from jamesonite concentrate contains too much impurities like lead, sliver, antimony and bismuth, and can't be refined with normal electrolysis process.
从铅锑复合矿中综合回收产出的粗铜阳极含铜低，含铅银锑铋等杂质很高，无法采用常规电解方法电解。
应用推荐