• 分别研究氯代有机含量效果影响以及不同缓蚀剂对各种基材的缓能力

    The influence of contents of chloroalkane and organic acid on the paint removing effect and the anti-corrosion ability of different inhibitors on substrate were studied respectively.

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  • 乙酰叔丁原料,经过化、化、酯解反应合成了头孢克

    Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.

    youdao

  • 乙酰叔丁原料,经过化、化、酯解反应合成了头孢克

    Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.

    youdao

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