• 就国内而言镀锌主流

    Domestically, no cyanogen zinc acid salt galvanized is still the mainstream.

    youdao

  • 采用缩合季碱化及酯化反应研制了一种“178”碱性锌酸盐镀锌光亮

    A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization.

    youdao

  • 研究了在酸盐镀锌体系采用脉冲电流时,脉冲频率、脉冲占空反向电流镀层外观蚀性的影响。

    The effects of pulse current, frequency, duty ratio and inverse current in zincate system on the appearance and corrosion resistance of zinc coating are investigated.

    youdao

  • 微分电容满意地测定酸盐镀锌DE浓度,而且原则上可用于测定其它环氧-胺聚合物的浓度。

    With this method the concentration of DE in zinc plating bath of zincate can be satisfactorily determined. This method, in principle, is applicable tod…

    youdao

  • 介绍了不锈钢基材电镀镍钼合金全部工艺过程讨论前处理锌酸盐镀锌作底层钼合金电镀等过程因素对本工艺实施影响

    The process of Ni-Mo plating of stainless steel is introduced in detail. The effects of pretreatment, Zincate Zn pre-plating and process factors on-the technology are also discussed.

    youdao

  • 前言:采用缩合季碱化及酯化反应研制了一种“178”碱性酸盐镀锌光亮。对使用光亮剂镀锌工艺条件镀液性能镀层性能进行了较为全面的考察

    A called "178" brightening agent for alkaline zincate bath was prepared by condensation, quaternization. The process conditions, properties of the bath and the deposit were also investigated.

    youdao

  • 一定条件下,转化镀锌效果优于酸盐转化膜。

    The cerium conversion coating, which was prepared properly, would provide a better protection a-gainst corrosion for zinc and galvanized steel than the chromate conversion coating did.

    youdao

  • 一定条件下,转化镀锌效果优于酸盐转化膜。

    The cerium conversion coating, which was prepared properly, would provide a better protection a-gainst corrosion for zinc and galvanized steel than the chromate conversion coating did.

    youdao

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