electrowinning的例句（electrowinning在句子中的用法）

• Hydrogen arsenide released unavoidably during electrowinning with copper electrolyte purified conventionally pollutes the environment seriously. 传统的铜电解后液净化方法电积时不可避免地析出砷化氢,严重污染环境.
• The research results of recovering copper by electrowinning from concentrated cyanide solution were described. 叙述了从富集氰化废液中电解回收铜的试验研究结果.
• The process of chlorine leaching - purification - electrowinning for nickel extractioncopper residue is investigated. 研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.