偶氮苯及其衍生物的特点在于可逆顺反异构化。

Azobenzene and its derivatives are characterized by reversible cis-trans isomerization.

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对双（苯并唑）化合物在不同极性溶剂中的光谱、光物理及光顺反异构化问题进行了详细研究。

The problem of photophysics, spectrum and photo isomerization of bis(benzoxadyl) stilbene in different solvents were studied carefully.

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SSBR/S/NS体系的非等温硫化过程和等温硫化过程中均存在顺反异构化反应，且非等温硫化过程中的顺反异构化程度比等温硫化过程高。

There was cis-trans isomerism on the system of SSBR/S/NS and the degree of cis-trans isomerism in the process of non-isothermal vulcanization was deeper than the isothermal vulcanization.

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