• 生产过程,炼钢的化学成分热轧加热卷取温度连续退火的工艺条件都会镀锡板的性能产生影响

    In the production process, hot metals chemical composition, heating and coiling temperatures and continuous annealing conditions while being rolled, will affect properties of tin-plates.

    youdao

  • 并对现有分析方法进行了比较,确定快速连续测定化学液中亚离子次磷酸钠方法

    The existing bath analyzing methods are compared, as a result a quick and continous method for determining sodium hypophosphite and stannum(II) ion in electroless tin bath is determined.

    youdao

  • 并对现有分析方法进行了比较,确定快速连续测定化学液中亚离子次磷酸钠方法

    The existing bath analyzing methods are compared, as a result a quick and continous method for determining sodium hypophosphite and stannum(II) ion in electroless tin bath is determined.

    youdao

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