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...
Cyanine of bare orange olivine is violet, multicoloured , contend for strange bottle colourful.赤橙黄绿青蓝紫,五光十色, 争奇斗艳.Near infrared heptamethine cyanine dyes applied as functional dyes are gradually extending their applicati...
In the fall, Wilma limped off to school.到了秋天, 威尔玛一拐一拐地上学去了.Wilma : that's right, betty. He just left. Costume and all.是啊, 贝蒂. 他刚出发了. 穿了那套衣服,带着那副神气走了.I met Wilma once, briefly...我曾经和威尔玛有过短短的一面之缘。I met Wilma once, bri...