• These include mass ratio of metallic powder to chromium trioxide and technological parameters of paint throwing off, drying and sintering processes.

    金属质量、甩液、烘干烧结工艺参数

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  • A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward.

    提出硝酸分解法联产铬酸酐硝酸钾清洁工艺,并优选出过程中主要环节的合理操作条件。

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  • Pyridine can react with halogens, nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.

    吡啶可以卤素硝基四氟化硼盐、 三氧化硫三氧化反应形成一些有用的有机试剂

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  • Pyridine can react with halogens, nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.

    吡啶可以卤素硝基四氟化硼盐、 三氧化硫三氧化反应形成一些有用的有机试剂

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