Comparison of NFM extractive distillation and tetraglycol extraction processes for benzene recovery

N-甲 酰基吗啉抽提蒸馏与 四 甘 醇 液 液 抽提分离苯工艺的技术对比

Study on the Synthesis of Hydroxymethyl-15-Crown-5 from Tetraglycol and Epichlorohydrin by two Steps

用四甘 醇和环氧氯丙烷两步合成羟甲基-15-王冠-5的研究