FDA批准 美法仑 ( 左旋苯丙氨酸氮芥 ) 上市.Melphalan ( L - PAM ) is approved by FDA for marketing.在合成工作中发现:在NAE18与氮芥芳基磷酰氯的反应过程中, 4- 二甲氨基吡啶 ( DMAP ) 起着关键性的催化作用.In the reaction of NAE 18 with nitrogen mustard aryl phosphorochloridate, 4 - ...
The fact is I would rather sit back and bomb some rappers.事实上我宁愿养精蓄锐,然后炸死一群说唱歌手.I just shit it better than 90 % you rappers out can.我无疑比90%的说唱艺人放屁放得更响亮.Fans love rappers partly because they strike such a confrontational ...
他用微型声波发射器开启了门。He activated the door with the miniature sonic transmitter.这个声音的声波如图B所示。The sound waves of the voice could be diagramed as in B.声波在真空里不能传播.Sound waves will not travel through a vacuum....