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 ).
“我认识你。”他平淡地说道，就事论事，不带任何感情。"I know you," he said flatly, matter-of-fact, neutral in tone.辛格尔顿是个牛皮大王，他自称有一条空手道黑带。Singleton was a fantasist who claimed to have a karate blackbelt.如他所愿，这句带刺的话刺痛了她。The barb stung her exactly t...
We are trying to detect and understand how the climates change.我们正努力探寻并理解气候是如何变化的。The sea tempers the climates.海洋调节气候.Man keeps the natives of many climates in the same country.人类把许多不同气候的产物畜养于同一地方....