Tert - octylamine was prepared with di - isobutene and hydrocyanic acid as mine feed. The yield was high.以二异丁烯和氢氰酸为主要原料,高收率地制备叔辛胺.This paper discusses the commercialized production methods of several chemicals using hydr...
She was almost pouting at his hesitation.她几乎要为他这种犹犹豫豫的态度不高兴了.Pouting like a child, Miss Sun said, " I really do feel like going home!孙小姐小孩子般颦眉撅嘴道: “ 我真想回家!The child sat there pouting.那孩子坐在那儿,一副不高兴的样子....gorgeous pouting ...