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.
Soviet women carry the main burden of shopping, homemaking and child rearing.苏联的妇女承担的主要义务就是采购, 做家务及抚养孩子.Homemaking and rearing children are jobs for girls only.家管与抚养小孩都是只限女生做的工作.Many women still place emphasis on the imp...
我们将看到经济有所复苏，但这种复苏将是非常无力的。We will see some economic recovery, but it will be very anaemic.我好像无法摆脱这种无力的感觉。I can't seem to throw off this feeling of inertia.刀从她无力的手里落下。The knife fell from her nerveless fingers....