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1·Parameters are fitted to vapor pressure, density and mean ionic activity coefficient data.

参数由拟合蒸汽压、密度和离子平均活度系数数据获得。

2·Development in activity coefficient method for estimations and predictions of V-L-E were briefly reviewed.

本文简要评述了汽-液相平衡中估算和预测活度系数的方法的进展。

3·How to estimate the activity coefficient of a chemical species is a problem which we must deal with carefully.

如何合理地估算活度系数是水环境化学数值模拟工作中必须慎重考虑的问题。

4·Measurement method of activity coefficient of Associated and non-associated electrolyte solution was discussed.

对缔合式、 非缔合式电解质溶液活度系数的各种测定方法进行了归纳和总结。

5·Meanwhile, a thermodynamic model activity coefficient was used to correlate the solubility data, the average rel…

同时，采用热力学模型关联实验数据，结果令人满意。

6·This method is as rigorous in theory as that based on the equation of state, and as simple in computation as the activity coefficient method.

此法兼有状态方程法理论严密和活度系数法计算简便的优点。

7·Which established foundation for the breakthrough and mechanism research on the activity coefficient of the new type of welding gas in the world .

为全世界的新型焊割气在活度值上的突破及机理研究奠定了基础。

8·An equation for the activity coefficient expressed by solubility parameters and taking excess entropy into consideration is presented in the payer.

并且提出一个考虑了过量熵的、用溶度参数表示的活度系数方程。

9·The possibility of unique azeotropy or polyazeotropy in a liquid mixture can be predicted using activity coefficient models in terms of boiling point calculation.

在存在共沸点的条件下， 利用活度系数关联式， 通过泡点计算求出共沸条件。

10·Activity coefficient is an important parameter in aqueous speciation models, and plays an important role in describing the mass transfer between water and rock quantitatively.

活度系数是形态分布模型中的关键性参数之一，对定量描述水、岩之间的元素迁移具有重要意义。