高浓度电镀废铬液循环利用的研究 关键词] 电镀废铬液；沉淀；除铜；循环利用 [gap=1002]Key words] Chromium electroplating wastewater；Precipitation；Copper removal；Cyclic utilization
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... copper refining ==> 铜精炼 copper removal ==> 脱铜 copper resist ==> (陶瓷装饰方法)铜光泽彩露花 ...
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copper removal rate 铜去除率
deep copper removal 深度除铜
primary copper removal 初步熔析除铜
second copper removal stage 二次除铜阶段
The maximum copper removal rate was both present in anaphase of the state period or prophase of the death period.
最大去铜率均出现在稳定期后期或衰亡期前期。
The copper removal from scrap was studied according to the theory of chlorinating metallurgy, and the satisfied result has been got.
根据氯化冶金原理，对去除废钢中的铜进行了研究，取得了令人满意的结果。
Dental amalgams, the silver-colored material used to fill teeth after removal of a cavity, include liquid mercury and a powder that contains silver, tin, copper, zinc, and other metals.
银色的汞合金在牙科中被用于填充牙齿患病后残留的腔洞，合金包括液态的汞和粉末状的银、锡、铜、锌以及其他金属。
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