Diacetone acrylamide ( DAAm ) was prepared by reacting acrylonitrile with diacetone alcoholammonia.以二丙酮醇和丙烯腈为原料,利用简便、温和的反应条件合成新型乙烯基功能单体-双丙酮丙烯酰胺.PET fibres were grafted acrylonitrile ( AN ) initiated by benzoyl peroxide.以...
Polyacrylonitrile is insoluble in acrylonitrile.聚丙烯腈不溶于丙烯腈.Water, acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide.水 、 丙烯晴和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中.Objective: To observe th...
She made a beeline for the car.她径直奔向那辆车。The children made a beeline for the food the moment they came in.孩子们一进来就直奔吃的东西.And when we get there, let's make a beeline for the water!到那儿之后, 我们要迫不及待地冲进水里....
Humanitarianism is apt to be forgotten when the balloon goes up.一旦战争爆发,人道主义往往就被抛到脑后了.Doctors should heal the wounded , rescue the dying, and practice humanitarianism.大夫要救死扶伤, 实行人道主义.She held fast to her own creative prin...
1990年,出租车司机鲁莽驾驶导致的违章事件总共达239起。Rude taxi drivers clocked up a total of 239 offences in 1990.连一辆出租车都打不到,他很沮丧。He was frustrated by his inability to wave down a taxi.要想出行便宜,就坐小型出租车吧。If you want a cheap ride, take a minicab....