In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以...
He's too mean to make a donation.他很小气, 不肯捐款。The benefit to the donor was an acknowledgment of the donation in a printed bulletin...捐赠者被印入捐赠公示榜以示感谢。to make a donation to charity向慈善事业捐赠Success is to keep authorial don...
He was hauled before the managing director and fired.他被叫去见总裁，然后就被解雇了。The two officers were being investigated by the director of public prosecutions.两名警官正在接受检察官的审查。She became quite a notable director in the thirties and ...
结论: 白矾及枯矾在体外有明显的抑菌作用.Conclusion: Alum and dried alum have significant bacteriostatic effect in vitro.目的: 探讨白矾及枯矾体外抑菌作用.Objective : To explore the bacteriostatic effect of alum and dried alum in vitro.目的:分析市售白矾不合格原因,寻找解决办...
Northeastern University is operated directly under the Ministry of Education.辽宁大学是一所教育部直属高校.Jack Levin of Northeastern University.]北大学的杰克列文博士这样说.And this camp is located in northeastern Iraq.这个营地位于伊拉克北部....