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...
The church is a short walk from Piazza Dante.教堂离但丁广场只有几步之遥。Most Italians venerate the name of Dante.大多数意大利人崇拜但丁的名字.Dante died in exile from Florence.但丁死于离开佛罗伦萨的流放中....
“对那来说有点晚了，”里特厌恶地说。"It's a little late for that," Ritter said disgustedly.里特伸出左手，在指尖上沾上印油。Ritter took his left hand and inked the fingertips.乘客在莫里特站下车。Passengers are set down at Molete Motor Park....
医生们抱怨他们疲于应付医药公司的销售人员。Doctors are complaining about being barraged by drug-company salesmen.阿波罗是希腊神话中主管艺术 、 预言 、 医药和光明之神.Apollo was the Greek god of the arts, prophecy, medicine and light.灾区需用医药,急如星火.Medical aid must be s...
The list of past champions includes many British internationals.历届冠军榜中包括很多英国世界冠军。The Dutch annihilated the Olympic champions 5-0.荷兰队以5比0完胜奥运冠军队。The world champions suffered a sensational defeat.世界冠军遭遇惨败，引起了一片哗然。...
She produced the knife during arguments with her friends.在和朋友争吵的时候，她掏出了刀。He didn't always win the arguments, but he often was right.他并非在争辩中总是能赢，但他经常是对的。It seemed to me that Sir Robert's arguments were nonsensic...