以L - 精氨酸 、 L - 甘氨酸、L - 天门氨酸为原料, 采用二环己基碳二亚胺(DCC)法合成了Arg-Gly-Asp ( RGD ). Takintg L - Arginine, L - Glycine and L - Aspartate as a raw material, used DCC coupling method to synthesize Arg - Gly - Asp ( RGD ).
He came out with some good one-liners.他讲了几个很有趣的小笑话。...luxury ocean liners.豪华远洋客轮The book is witty and peppered with good one-liners.这本书诙谐幽默，妙语趣话随处可见。The resins were used to turn out millions of helmet liners.用这类树脂生产了成百万只...
在南欧,有时可看到用牛拉车.You sometimes see oxen pulling carts in southern Europe.他们中大部分人来自南欧和东欧贫穷的城镇和乡村.Most of them came from poor towns and villages in southern and eastern Europe.实际上, 南欧并非铁板一块.In truth, Europe's south is no...
你现在就付款呢, 还是我们记在你账上?Are you paying now, or shall we book it down to you?那笔钱已转到我账上.The sum of money has been transferred into my account.你的账上还剩五美元.The balance on your account is $ 5....
Drugs are a scourge that is devastating our society.毒品是破坏我们社会的一大祸害。the scourge of Heaven灾殃, 祸患...the best chance in 20 years to end the scourge of terrorism...20 年来消灭恐怖主义祸害的最佳机会Do you think the death of Lorenzo is the sc...