The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosili...
Acid rain is not straightforwardly attributable to the burning of coal.酸雨并非简单地由烧煤造成。Nor is acid rain always, and universally, a bad thing.酸雨也并非在任何情况下都是坏事。This comedy of contemporary manners is told with compassion and ac...
And we were mugged by Andrew Lloyd Webber.然后我们又被安德鲁.劳埃德. 韦伯打劫.I get mugged and the goddamn desk sergeant blames me.我被抢了,那个该死的警官还责备我.While walking along a side street, Dick was mugged by two youths.迪克在小街上行走时, 遭到来自背后的两个青年的...