Cyclobutane exists predominantly in a " butterfly " conformation.环丁烷主要成 “ 蝶式 ” 构象存在.On the other hand , cyclobutane pyrimidine dimmer ( CPD ) just has an effect of cell cycle arrest.而CPD光 产物 ( cyclobutanepyrimidinedimmer...
"Enter-taining is something that everyone in the country can enjoy," she averred.“娱乐消遣是每个国民都能享受的事，”她坚定地说。She averred that she had never seen the man before.她斩钉截铁地说以前从未见过这个男人。The prosecutor averred that the prisoner kille...
我读过你论加尔文心理唯实论的文章.I've read your stuff about the psychological realism of Calvin.摘要唯实论与唯名论以不同方式影响传统的生物分类原则.The realism and nominalism of middle ages affected the traditional taxonomy with different modes....