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...
The people of Judea flocked to the city.人们成群结队地涌向城里.The crowd flocked into the church.人群涌入教堂.The public have flocked to the show...公众蜂拥而至观看演出。People flocked to hear the new prophet.人们成群结队地去听这新的预言家演讲。Crowds flocked after ...