As the rubber droplets lose the acetone solvent, they become tacky and agglomerate.当橡胶滴失去丙酮溶液后, 变成粘的,聚集态的.After some initial problems, acetone was successfully produced in quantity...解决了最初的一些问题之后，终于成功地制造出了大量丙酮。Outlined s...
111票赞成，25票反对，表决通过。The vote passed with 111 in favour and 25 against.他赞成增加每天的课时并延长学年。He favors extending the school day and school year.一片赞成声在乌克兰议会中回响。A roar of approval resounded through the Ukrainian parliament....
激光散斑干涉法是近代光学的一项新技术.Laser speckle interferometry is a new technique in latter - day optics.雨刷槽开关和光学的角制的开关 ( 多功能开关 )WIPER STALK SWITCH AND OPTICAL HORN SWITCH ( MULTI - FUNCTION SWITCH )扫描近场光学显微镜突破了传统远场光学的 衍射 极限,能够获得超高光学分辨...
This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.从苯乙腈制取苯基硝基甲烷就用这个方法.Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,丁酸和苄醇为原料合成丁酸苄酯.DNA filamento...
He advocates streaming children, and educating them according to their needs.他提倡把学生按能力分班，因需施教。According to the prosecution, the officers manufactured an elaborate story.根据控方意见，官员们精心编造了事情经过。According to the best available...
要几份书面报价,仔细查对费用中包含的内容.Get several written quotations and check exactly what's included in the cost.可以在网上支付账单。此外，还能查对余额或订货结算单。You can pay bills over the Internet. Additionally, you can check your balance or order stat...