cyanide-free 无氰
cyanide-free electroplating 无氰电镀
Cyanide-free silver plating 无氰镀银
cyanide-free copper electroplating 无氰镀铜
cyanide-free copper 无氰镀铜
Cyanide-free Alkaline Zinc Process 碱性非氰镀锌
cyanide free zinc 无氰镀锌工艺
cyanide-free plating 无氰电镀
cyanide free process 非氰化法
The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.
研究了脉冲电镀在微氰镀金，无氰镀金体系中脉冲频率、脉冲占空比对镀金层耐磨性的影响。
Through experimental study, the CIP plant of Hougou Gold Mine brought the technology of normal pressure cyanide free desorption into being without any modification of original equipment.
后沟金矿炭浆厂经过试验研究，使用原有设备，不需进行任何改动，实现了常压无氰解吸。
The applicable fields of alkaline cyanide-free zinc plating and acidic zinc plating before trivalent chromium passivation were proposed.
提出应用于三价铬钝化前的碱性无氰镀锌及酸性镀锌的适用场合。
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