用糠醇和糠醛缩聚制备了新型呋喃树脂.A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.糠醛树脂化结焦是导致催化剂失活的主要原因.Resinification of furfural on the catalyst was the main cause of deactivation.图5醋酸苯胺比色法,糠醛...
科莱特和李站在他们的三层婚礼蛋糕旁.Colette and Lee pose by the three - tier wedding cake.尼科莱特: 只要我们付钱给过境处官员,就可马上获得入境签证.Nicolette: Well we can get entry visas straightaway if we pay the official.科莱特坚持认为奥黛丽?赫本是那部戏里女主角的最佳人选.Colette insisted...