Polyoxyethylene glycols containing tertiary amine groups were synthesized with different amine initiators.以胺类化合物为起始剂,制备了几种含叔胺基的聚氧化乙烯二醇.tertiary syphilis第三期梅毒Antioxidant tertiary butyl hydroquinone was prepared by hydroqu...
Tertiary education follows secondary education.高等教育紧跟中等教育.Large stack deposits are controlled by deeply dipping faults Tertiary age.巨大的堆型矿体受第三纪倾陡断层控制.Aim To analyze Tertiary period sedimentary environment of Qaidamu sali...