• Calcium ammine catalyst was prepared with metal calcium, dehydrated liquid ammonia as raw materials, nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.

    采用金属脱水载体纳米二氧化硅及改性剂乙腈环氧丙烷制备出氨钙体系催化剂

    youdao

  • Calcium ammine catalyst was prepared with metal calcium, dehydrated liquid ammonia as raw materials, nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.

    采用金属脱水载体纳米二氧化硅及改性剂乙腈环氧丙烷制备出氨钙体系催化剂

    youdao

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