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.
他把纸板箱堆成一堆,将它们踩扁.He put the cardboard boxes in a heap and stamped them down.你们用硬纸板箱包装 吗 ?Could you use cardboard boxes?卡司凯特过滤器以纸板箱或木条板箱包装供应.Gascat filters are supplied packed in cardboard box or wood crate....
People are queueing up to work for me!想为我效力的人可是排着长队呢！We provide a multi - type queueing system , including vacation, feedback and optional services.建立了休假 、 反馈、可选服务多类型相结合的排队模型.Why are people queueing up to translate TED t...
The assembly's 15 seats have electorates as small as 190.大会的15个议席只有很少的190选民参加.Restricting hedge funds is something they can sell to their electorates.限制对冲基金是他们能够向选民兜售的东西....