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在不同温度下测量了C_8芳烃在N-(对乙氧基苄叉)对氨基苯甲腈向列相及各向同性相中的活度系数、过量偏摩尔焓及过量偏摩尔熵。引入无因次量σ和τ以处理实验数据,发现所研究的体系,处于相同的τ下,近似具有相同的σ。
The activity coefficients, excess partial molar enthalpies and excess partial molar entropy of C_8 aromatics in the nematic and isotropic phases of N- (p-ethoxybenzylidene) p-aminobenzonitrile were measured at different temperatures. Introducing dimensionless quantities σ and τ to deal with the experimental data, we found that the system under study is at the same τ and has approximately the same σ.