Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80%以上.The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was sy...
Plans and expedites production program information to assure on time customer delivery.规划生产信息,加速信息流通,确保按时发货.The gadget expedites the reaction of the nuclear reaction.这一装置可以加速核反应.Our country's economy expedites many ...
这两个词之间在意义上差别是极小的.There is a negligible difference in meaning between these two words.在意义提升到一定高度之后,具体的理论才更加切合实际和具有可操作性.Onlywhenadeeper meaning is achieved can the detailed theories be applied to reality and be operable.但在...
Which Trimmer Capacitors are recommended for high frequency ranges?建议哪种微调电容器用于高频带?Lead in cermet - based trimmer potentiometer elements.金属陶瓷质的微调电位器中的铅含量.Can you ship Trimmer Capacitors with the angle and capacitance valu...
在这笔交易中他侵吞了100美元.He pocketed a hundred dollars on the transaction.他侵吞了所有的利润.He pocketed all the profits.如果把钱交由他保管, 恐怕大部分都要被他侵吞掉.If we let him look after the money, I'm afraid much of it will stick to his fingers....