Holdfast ( hapteron ) In algae , the cell or organ attaches the plant to the substrate.是藻类植物具有的一种起固着作用的细胞或器官.Up to 96 % ee was achieved with 4 - nitro - chalcone as enone substrate.以 4- 硝基查耳酮为原料的反应,其产物可获得最高达96%ee值.Kineti...
孩子们正在为抢夺电视机的遥控器而争吵。The children were squabbling over the remote-control gadget for the television.他们为了和竞争对手抢夺先机而公然无视法律。They are deliberately flouting the law in order to obtain an advantage over their competitors.这些小偷谋划抢...