提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.偶氮苯侧链液晶聚合物.Azobenzene side - chain liquid crystalline.必须通过偶氮,(苯)酚类,有机氯试剂,...
Did you have fun with your schoolmates for the weekend?和校友一起度周末开心 吗 ?Did you have fun with Uncle Joey and Uncle Chandler today?你今天跟乔伊叔叔还有钱德叔叔玩得开心 吗 ?You bet! And you can have fun with them.没错! 你还可以和他们玩....
In recent times the most striking exports have been in the vocabulary of lacrosse and hockey.在近代最突出的外来词是有关长曲棍球和曲棍球运动方面的词汇....lacrosse sticks.兜网球棍He sprinted away with the ball cradled in his lacrosse stick.他用球杆带着球全速跑开了.T...
She was a prime target for blackmail, don't you see?她是敲诈的主要目标。你难道看不出来吗？The tactics employed can range from overt bullying to subtle emotional blackmail.从公然威吓到微妙的情感胁迫，各种战术都用上了。That was a terrible case of blackmail in...