The copper, the gold and the silver in the cyanide slag can better float in the floatation process after having fresh surface.
氰化渣中的铜、金和银有了新鲜表面后在浮选过程中能较好的浮游。
Higher selective composite collectors and combined depressants without cyanide were used in part-bulk flotation and Cu-Pb separation of Pb-Zn ore containing silver and copper.
采用一段磨矿-部分混合浮选-混精铜铅分离、混选尾矿选锌流程及无氰药剂，提高了精矿品位及铜、铅、锌、银回收率。
The present utilize condition of pyrite slag and the affect factors to the cyanide process to reclaim gold and silver were reviewed.
综述了黄铁矿烧渣的利用现状以及氰化法回收烧渣中金银的影响因素。
Ten typical formulas and some kinds of additives used for cyanide-free silver plating were introduced.
综述了十种典型的无氰镀银工艺配方和无氰镀银所采用的添加剂类型。
The experiment on single silver ore and complete cyanide Leaching is studied.
对单一银矿石进行了全泥氰化试验研究。
The result shows that adding the leaching aid is of benefit to improve the recovery of gold and silver during the process of cyanide leaching.
结果表明，在氰化浸出的过程中添加助浸剂有利于提高金和银的浸出率。
With bright nickel strike plating before pulse non-cyanide silver plating, brighter and finer silver coatings with stronger anti-tarnish property and corrosion resistance can be obtained.
光亮镍打底后再脉冲无氰镀银，可获得更加光亮、结晶细致的镀银层，且抗变色性能及耐蚀性均增强。
The process of cyanide-free silver pulse electroplating is investigated in 5,5-dimethyl hydantoin(DMH) bath.
研究了5，5-二甲基乙内酰脲（DMH）无氰脉冲镀银工艺。
JP-2000 192279, Cyanide-free electroplating bath for silver and silver alloy coating, using fatty sulphurous compounds that are stable for a relatively long time.
本文介绍了国内无氰镀银研究情况，部分翻译了日本专利特开2000-192279，介绍银及其合金的无氰电镀液组分及工艺，镀液比较稳定。
JP-2000 192279, Cyanide-free electroplating bath for silver and silver alloy coating, using fatty sulphurous compounds that are stable for a relatively long time.
本文介绍了国内无氰镀银研究情况，部分翻译了日本专利特开2000-192279，介绍银及其合金的无氰电镀液组分及工艺，镀液比较稳定。
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