• 介绍了一种磷酸盐溶液焦磷酸根、磷酸根、柠檬酸含量分析方法计算方法

    An analytical procedure and calculation method on the content of copper, total pyrophosphate, phosphate and ammonium citrate in pyrophosphate copper plating bath were given.

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  • 本文采用电极暂态电流阶跃方法测得了物显(物理显影体系极化曲线

    The polarization curves of copper physical development (CuPD) system were obtained by transient constant current step method on copper plated platinum electrode.

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  • 综述了一种印制线路板通方法,即孔壁上沉积碳黑—石墨以取代传统的化学工艺

    A process for through hole plating is reviewed in which conventional electroless copper plating is replaced by deposition of a carbon black-graphite layer.

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  • 研究比较了两种化学方法——甲醛石墨表面工艺

    The processing technology of electroless copper plating on graphite powders by iron powder method and formaldehyde method were studied and evaluated.

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  • 分析氰化合金过程中出现毛刺弊病原因,提出了解决方法

    The case of burrs defective in cyanide tin - copper alloy deposits were investigated and preventive methods were proposed.

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  • 同时试验了沉淀方法处理络合物废水。

    A method for breaking the complex forming copper precipitation was tested for wastewater treatment of non-cyanide complex copper plating.

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  • 介绍了酸性光亮剂组成常用中间体及其作用以及复配方法

    In this paper, the composition of acidic copper brightener, the normally used intermediates, their functions and composition methods are introduced.

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  • 采用化学方法制备导电涤纶织物

    Conductive Poly (ethylene terephthalate) (PET) fabrics were prepared by electroless copper and nickel plating.

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  • 用电化学方法扫描电子显微镜研究钢铁置换反应形貌,结果表明:钢铁表面置换层总是多孔的。

    The reaction of chemical replacement copper plating on iron surface and profile of the coating have been investigated by electrochemical methods and scan electron microscopy.

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  • 发明提供一种减摩复合粉末制造方法包括:A。制备化学包覆石墨步骤

    The invention also provides a manufacturing method for copper-based antifriction compound powder which comprises: A. the step of preparing chemical copper plating coating graphite powder;

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  • 发明提供一种减摩复合粉末制造方法包括:A。制备化学包覆石墨步骤

    The invention also provides a manufacturing method for copper-based antifriction compound powder which comprises: A. the step of preparing chemical copper plating coating graphite powder;

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