• 论文研究围绕以二硫化原料合成氰酸反应过程进行

    The research is enclosed the reaction between ammonia and carbon disulfide in the synthesis of ammonium thiocyanate.

    youdao

  • 德国化学家。1828年,他利用氰酸合成尿素,这第一用无机物合成有机物

    German chemist whose synthesis of urea from ammonium cyanate in 1828 was the first time a compound of organic origin had been prepared from inorganic material.

    youdao

  • 以聚氧化烯二醇和甲苯二异氰酸、一缩二乙二醇等主要基体原料,以联二脲(LDA)、聚磷酸(APP)作为阻燃剂,制作了聚聚氨酯弹性体

    Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol, toluene diisocyanate (TDI) and DEG as main base meterial, LDA and APP as flame retardants.

    youdao

  • 以聚氧化烯二醇和甲苯二异氰酸、一缩二乙二醇等主要基体原料,以联二脲(LDA)、聚磷酸(APP)作为阻燃剂,制作了聚聚氨酯弹性体

    Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol, toluene diisocyanate (TDI) and DEG as main base meterial, LDA and APP as flame retardants.

    youdao

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