确定了这两个二元物系的NRTL模型参数。
The NRTL model parameters of the two binary systems are correlated.
这种算法简单、快速、准确，适用于各种二元物系。
This method iS sample, quiCk and accurate, and iS suitable for various binary systems and ranges of concentration.
用高压观测池通过可视观测确定了苯、甲苯和对二甲苯等二元系及三元系的临界性质以及甲苯歧化反应混合物临界性质随着反应进程的变化规律；
The critical properties of both binary and ternary mixtures involved in the toluene disproportionation were measured by using a high-pressure view cell with visual observation.
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