Infrared spectroscopy shows that aromaticgroup is grafted onto the molecular chain of CPP.
红外谱图表明，在原来的CPP分子链上接上了芳环基团。
2
His group has found hundreds of genes that encode enzymes which produce flavourings and aromatic compounds.
他的团队还揭秘了几百种酶的基因，正是这些酶的基因控制了造成浓郁口味和芬芳气味的化合物。
3
The group is requesting that the FDA enact a rule that sets a limit on the amount of polycyclic aromatic hydrocarbons deemed safe for pregnant women and young children.