本文首先实验测定了7 - ACA结晶热力学数据和粘度、密度、电离平衡常数等必要的基本物性数据。

First, the crystallization thermodynamic data and other basic physicochemical data of solution, such as viscosity, density of 7-aca solution and dissociation constants, were measured by experiments.

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采用平衡溶胀法和粘度法分别测定了甲基乙烯基硅橡胶（MVQ）的溶解度参数。

The solubility parameter of methyl vinylsilicone rubber(MVQ) was determined with the equilibrium swelling method and the viscosity method respectively.

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结果表明两化合物在基态时可能存在着“平面构象与扭曲构象”间的平衡，环境的温度、极性和粘度对于化合物存在的构象有很大影响。

Results indicated that a equilibrium between coplanar and twisted conformations existed, and environmental temperature, solvent polarity and viscosity could affect the conformation of these compounds.

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