这两个异构体(对映体)除了旋光度有相反的符号之外，其他所有的物理性质都应该是完全相同的。
All the physical properties should be identical except for the optical rotations of the two isomers (enantiomers), which are of opposite sign.
由于偶氮染料光致异构现象，这种体系体现出很多独特的性质，且用现有理论无法进行解释。
Because of the photoisomerization of azo dyes, this system shows many unique characteristics, which could not be explained by existing theories.
本文说明二甲酚异构体的生产、性质和应用，有助于对其开展综合利用。
The paper summaries the preparation, properties and application of xylenol isomers. It helps to make use of Xylenol comprehensively.
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