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。
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 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。
The application of cyanide-free zinc plating processes to large-sized and shape-complicated workpiece was introduced.
介绍了无氰镀锌工艺在大尺寸、形状复杂的工件上的应用。
The application of cyanide-free zinc plating processes to large-sized and shape-complicated workpiece was introduced.
介绍了无氰镀锌工艺在大尺寸、形状复杂的工件上的应用。
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