以二乙胺 、 二硫化碳、双氧水为原料,在硫酸的中和作用下合成戒酒硫, 研究了各反应条件的影响.Disculfiram was synthesized from diethyl amine, carbon disulfide and peroxide, and the reaction condition was studied....
There are some hideous diamond fenders.有一些难看的宝石垫座.Yes, NASCAR does at times seem like little more than pro fenders.激烈的纳斯卡赛车有时更像是职业摔跤.Untie the handrail rope. Get ready the fenders.解开扶手绳, 准备好护舷的垫子....
Nina drowsed for a while.尼娜打了会盹。He drowsed off, but then woke up abruptly, as though someone had called his name.他打了个盹, 但突然又醒了, 好像是有人在喊他的名字.He drowsed off,but then woke up abruptly,as though someone had called his name.他...