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.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.研究了五氯化钼参与的苯甲醚和叔丁醇在正己烷溶剂中的烷基化反应,结果显示出很高的对位选择性.The alkylation of anisole wi...
Sales of electric heaters have increased.电暖器的销售量增加了.Its quality and crisp, sweetening yu , can one of heaters must eat.其质酥脆, 味甜香郁, 堪称炉食中之一绝.The cooker, heaters and other electrical installations are all in perfect workin...
The emission of gases such as carbon dioxide should be stabilised at their present level.二氧化碳等气体的排放应该稳定在当前水平。Eventually my weight stabilised at seven and a half stone after dropping to a low of five and a half stone.我的体重...
The mixture can be used as a gargle several times a day.每天可用这种混合液漱几次口。to have a gargle with salt water用盐水含漱She gargle with an antiseptic mouthwash.她用具有消毒灭菌作用的漱口剂来清洁口腔....
They peeled cold stiffened gloves from their hands.他们将冻得硬邦邦的手套从手上脱下来。He leaned towards her and she stiffened at this invasion of her personal space.他向她俯过身去,这种侵犯她个人空间的举动让她绷紧了身子。She stiffened with fear.她吓呆了。...