crude copper meaning in English

粗铜

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
Abstract : the preparation of cuprous chloride from etching waste liquor of cupric chloride and crude copper powder was studied . the result showed that this method had many advantages , including simple process , easy operation and good quality of product , therefore it had remarkable economic and environmental benefits
文摘:以氯化铜蚀刻液废液、粗铜粉等为原料，在常温下反应制备氯化亚铜，工艺简单，操作简便，产品质量好，具有显著的经济效益和环境效益。