介绍了吩噻嗪的制备方法, 主要是二苯胺与硫在催化剂存在下反应的方法.Its preparation method, which mainly reacted by diphenyl amine and sulfur with catalyst, is introduced.本文报道了两种新的吩噻嗪衍生物的合成, 光学及其电化学性质.The synthesis, luminescence and electrochemical prope...
The nation's unemployment rate has been climbing steadily since last June.自去年6月以来，该国的失业率一直在不断上升。I told her about him climbing up the drainpipe.我对她讲了他从排水管爬上去的事儿.His sporting and political interests coalesced admirabl...
He chose Simi Valley in Ventura County mainly because it was conveniently close to Los Angeles.他选择住在文图拉县的西米山谷，主要是因为这里离洛杉矶很近，很方便。Ace Ventura: Why? So you can beat him?艾斯: 为什么? 这样你就能揍他了?First there was Ace Ventura : Pet De...