取代基

Flett has examined a series of anthraquinones with various substituents on the ring.

福莱特测试了一系列环上具有不同取代基的蒽醌。

A variety of cyclopropanes are thus produced in good yield.

从而以高收率得到带各种取代基的环丙烷。

The substituent is deuterium.

取代基是重氢。

The fluorescence intensity of porphyrin also relates to the substituent positions on the phenyl groups.

此外，荧光强度还与卟啉的苯环上取代基的取代位置有关。

Suchdifferences in chemical compositions reflected surface energy and gas permeability of the plasma films.

取代基对聚合膜性能的影响，表现在聚合膜表面能和气体透过性上。