• 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.

    研究了脉冲电镀镀金氰镀金体系中脉冲频率、脉冲占空比对镀金耐磨性影响

    youdao

  • Ten typical formulas and some kinds of additives used for cyanide-free silver plating were introduced.

    综述了种典型工艺配方无氰镀银所采用添加剂类型

    youdao

  • The applicable fields of alkaline cyanide-free zinc plating and acidic zinc plating before trivalent chromium passivation were proposed.

    提出应用三价钝化碱性镀锌酸性镀锌的适用场合。

    youdao

  • 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尺寸、形状复杂工件上应用

    youdao

  • 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尺寸、形状复杂工件上应用

    youdao

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