研究了用无溶剂重结晶法提纯2,6二氯甲苯.Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.以对氯甲苯为原料,经氯化、水解反应合成对氯苯甲酰氯,总收率. 6%.%.The total yield and 4 - chlorohenzoyl chloride. 6 % and. %.研究炭管采集空气...
The agency collects and disseminates information.通讯社收集和传播讯息。The tumor proliferates, invades the uterine wall, and disseminates to remote organs.肿瘤增殖, 侵犯到子宫壁, 并播散至远处的脏器.The bank also collects and disseminates information ...
All she did was hang around ogling the men in the factory.她所做的就只是在工厂里荡来荡去，朝男人抛媚眼。Uncle Geooge got a black eye for ogling a lady in the pub.乔治叔叔在酒店里对一女士抛媚眼而被打黑了一只眼睛.What did he care for the French prints ogling him from a...