论文研究是围绕以二硫化碳和氨为原料合成硫氰酸铵的反应过程进行的。
The research is enclosed the reaction between ammonia and carbon disulfide in the synthesis of ammonium thiocyanate.
德国化学家。1828年,他利用氰酸铵合成了尿素,这是第一次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.
以聚氧化丙烯二醇和甲苯二异氰酸酯、一缩二乙二醇等为主要基体材原料,以联二脲(LDA)、聚磷酸铵(APP)作为阻燃剂,制作了聚醚聚氨酯弹性体。
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.
以聚氧化丙烯二醇和甲苯二异氰酸酯、一缩二乙二醇等为主要基体材原料,以联二脲(LDA)、聚磷酸铵(APP)作为阻燃剂,制作了聚醚聚氨酯弹性体。
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.
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