After 15 years in the USA, he has finally decided to apply for American citizenship...在美国生活了15年之后，他终于决定申请美国国籍。Husbands and wives of British nationals do not automatically gain citizenship.英国公民的配偶不能自动取得公民身分.We have tried ...
结果表明, 苯乙烯、丙烯腈的加入能提高N- 环己基马来酰亚胺的反应活性.The results showed that the addition of St AN , the activity of CHMI was enhanced.通过锂试剂的方法,合成了三氟甲基苯基环己基酮化合物,反应产率达到60%.Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium ...
战后许多城市到处可见颓垣残壁.After the war many cities were full of rubble.魔戒的仆人那古仍然在天空盘旋,岗 铎 的士兵们正拼命地将自已藏身在残壁之下.The Nazg? l still flies overhead and the soldiers are still trying to take cover....