In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate...
Lead is more solvent in acidic water.铅在酸性水中更易溶解。We must cut back on expenditure in order to remain solvent.我们应减少开支,以备急用.Gasoline is a solvent liquid which removes grease spots.汽油是一种能去掉油污的有溶解力的液体....
关于那些十分引人注意的史前动物――恐龙――的情况,我们知道得不算少.We know a great deal about those fascinating prehistoric animals, the dinosaurs.鉴于恐龙的食量是如此之大,贝克的结论认为恐龙是热血动物.Baker concluded the dinosaurs were warm - blooded because they ate so much.博物馆...
用夹钳把两块木板夹紧,等胶水干了再松开.Clamp the two pieces of wood together until the glue dries.木匠把一块木料夹在夹钳当中.The carpenter held the piece of wood in a vise.苏格兰法院裁定，将停在私人地界上的车辆上夹钳并索要罚款的行为是违法的。Courts in Scotland have ruled it illegal to c...
Honey peaches are in now and we can eat them every day.现在水蜜桃正上市,我们每天都可以吃到.Skin the peaches by blanching them.把桃子焯一下去皮。These fresh and juicy peaches are loveable.这些水灵的鲜桃看着就让人喜欢.These are wonderfully succulent peaches.这些桃子...
Objective : To study the clinical effect of abdominal hysterectomy with Joel Cohen incision.目的: 探讨JoelCohen切口子宫切除术的临床价值.A moment later, Cohen picked up the phone. 'Hello?'过了一会儿，科恩接起电话。“喂？”On Sunday Cohen lay ar...