许多国家正在对铜镍的回收技术进行深入的研究。
Many countries are in-depth study of nickel-copper recycling technology.
试验结果表明，还原剂焦炭用量对金属钴镍收率影响最大，用量过大或过少都不利于钴镍的回收，而对铜的回收率影响不明显；
The experiment results showed that the dosage of coke had the largest effect on the recovery of cobalt and nickel, but no obvious influence on the recovery of copper.
电池回收计划通常针对按钮和镍镉电池，但由于消费者在识别不同类型的电池的困难可能会收集所有的家用电池。
Battery collection programs typically target button and nickel-cadmium batteries, but may collect all household batteries because of the consumers' difficulty in identifying battery types.
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