This paper studied the synthesis of rubber accelerator DZ by rubber accelerator DM, dicyclohexyl amine and ammonia in the solvent of methanol.
采用促进剂DM和二环己胺为原料，以氨气为缚酸剂，用甲醇做溶剂合成橡胶硫化促进剂DZ。
Writer describe that the quality of chitin amine and chitin amine, choice of solvent, density of spinning liquid and setting bath will influence the quality of chitin and chitin amine fiber.
阐述了影响其质量的因素有原料的质量、溶剂的选择、纺丝液浓度的确定、凝固浴的确定等方面。
Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.
在甲醇和水的混合体系中，通过芳醛，丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1，4-二氢吡啶衍生物。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
为对湿法磷酸进行净化脱氟 ，用胺类溶剂作萃取剂 ，煤油作稀释剂 ，对湿法磷酸进行了溶剂萃取脱氟的工艺研究。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
为对湿法磷酸进行净化脱氟 ，用胺类溶剂作萃取剂 ，煤油作稀释剂 ，对湿法磷酸进行了溶剂萃取脱氟的工艺研究。
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