试验研究了采用硫脲法有效地从废弃印刷线路板中回收金。
The experiment of leaching gold in abandoned printed-wiring board with thiourea indicates that gold leaching with thiourea is possible and effective.
研究了废弃印刷线路板的主要成分在机械处理过程中的物理性质的变化。
The variety of physical properties of PCBs during mechanical treatment has been studied.
采用气流分选技术对破碎解离后的废弃印刷线路板进行分离富集，重点考察了不同粒径下气流分选富集金属的效果。
The pneumatic separation technology for the separation and enrichment of metal in the waste printed circuit board scraps is investigated.
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