A week later, 500 miners walked off the job at the Sino Metals copper processing plant.
一周后，中国金属公司的炼铜厂，500名矿工也参与罢工。Matte converting in Pierce-Smith converters is an important process in copper pyro-metallurgy, which influences the production directly.
铜锍P-S转炉吹炼是火法炼铜的一个重要工序，直接影响转炉的生产效益。Industry experts say that smelters in Congo can produce a tonne of copper for about $3, 500.
业内专家表示，刚果的冶炼厂能以每吨3500美元左右的成本炼铜。They attained the skill of smelting copper, iron, gold and traded salt with neighbouring states.
他们掌握了炼铜、铁、金的技艺，与邻国进行盐的交易。A lack of smelter and refinery supply is creating another bottleneck .
炼铜炉及精炼设备的不足也形成另一种瓶颈。This essay introduces the up-to-date progress of copper hydrometallurgy in the world and the development prospect in China.
本文介绍了世界上湿法炼铜技术最新的进展以及在中国的发展前景。Modified chaos genetic algorithm and its application on operation-optimization of copper smelting converter
改进的混沌遗传算法及其在炼铜转炉操作优化中的应用Elementary Discussion on Assets Classification and Financial Evaluation for Organic Phase in Copper Hydrometallurgy Project
浅谈湿法炼铜项目有机相资产分类与财务评价Soft-Sensing Model of Chaos Time Series of Crude Copper Composition in Copper Convertor and Its Application
炼铜转炉粗铜成分混沌时间序列的软测量模型及应用