benzene ring

The benzene ring and alkene structural group are much more stable than structural group of sulfoacid for the carbonifying process of polystyrene.

在碳化过程中，聚乙烯阳离子交换树脂的环结构和烯烃基团比磺酸基团稳定。

The enantioselectivity of N-dodecanoyl-L-proline-3,5-dimethyl-anilide is also good, but the basic line fluctuates strongly due to containing benzene ring in its molecular structure.

虽然用N-十二酰基-L-脯氨酸-3,5-二甲基作添加剂，手选择也较好，但由于含有环，紫外吸收增强，基线波动严重。

A strain may be defined as an organic compound containing a benzene ring plus a chromophore and auxochrome group.

染料定义为含有环与呈色官能基与辅助成色官能基的化合物。