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.The alkylation of anisole with tert - butanol in hexane solution was inve...
I owe them a debt that cannot easily be repaid.我欠他们一笔钱，不容易偿还。The business quickly repaid the initial outlay on advertising.这家公司很快偿付了初期的广告费。She doesn't intend to be repaid to her kindness.她不图回报她的好心....
汽油检测系统由毛细管节流器组成.The gasoline detection system consists of a capillary restriction.这由一根与汞池相连的毛细管所构成.This consists of a capillary connected to a mercury reservoir.双毛细管比重瓶是一种用于精确测量液体密度的仪器.The bicapillary pyonometer is a too...
He is no stranger to controversy.他是个颇具争议的人物。That is an ironclad fact that is beyond controversy.这是铁的事实,无庸置辩.Legislation to that effect created fierce controversy both in Parliament and outside...那类立法在议会内外都引起了激烈的争论。Becaus...