并计算了活度系数和超额吉布斯自由能。
Activity coefficients and excess Gibbs free energies are calculated.
在该式中各组元的活度系数可以表示为组成的函数。
In the expressions, activities and activity coefficients are functions of the composition.
参数由拟合蒸汽压、密度和离子平均活度系数数据获得。
Parameters are fitted to vapor pressure, density and mean ionic activity coefficient data.
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。
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.
本文较为系统地介绍了无限稀释活度系数的应用和测定方法。
In this paper we firstly reviewed the applications and experimental measurement methods of infinite dilution activity coefficients.
此程序有计算溶液活度系数和估算基团相互作用参数这两种功能。
It has two functions, i. e., calculation of solution activity coefficients and estimation of group interaction parameters.
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。
An equation for the activity coefficient expressed by solubility parameters and taking excess entropy into consideration is presented in the payer.
本文讨论了盐对活度系数的影响，提出了一些溶盐选择的一般规律。
The effects of salt on activity coefficients were discussed and a few remarks were suggested for salt selection.
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。
Development in activity coefficient method for estimations and predictions of V-L-E were briefly reviewed.
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。
How to estimate the activity coefficient of a chemical species is a problem which we must deal with carefully.
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。
Measurement method of activity coefficient of Associated and non-associated electrolyte solution was discussed.
为此，本文认为具有部分互溶组分活度系数的突变可做为多组元溶液分相的判据。
So the condition of phase separation for multicomponent solutions is that activity coefficient of some components have a increasation steeply at phase interface with partly miscible solution.
用UNIFAC模型计算了醇在溶剂中活度系数，用文献数据验证了本方法的正确性。
The activity of alcohol in solvents were calculated by the UNIFAC model. The correction of the approach was tested by the data from the literature.
针对稀溶液的相平衡的特点，提出了适用于气液色谱法测定模型的稀溶液活度系数表达式。
In this paper expressions for activity coefficients of dilute solutions are derived, which are suitable for working equations for vapor liquid equilibrium measurements by gas chromatography.
同时，还对蒽、菲同分异构体在不同溶剂中的溶解度的差异，从活度系数方面进行了探讨。
At the same time the difference of the solubility to the isomeric compound Anthracene and Phenanthrene in the different solvents is discussed by the aspect of the activity coefficient.
建立了CME的有限扩散理论模型，引入了活度系数比、扩散系数校正因子及动力学参数等。
The finite diffusion model of CME was established, the activity coefficient ratio, the diffusion coefficient correction factor and the kinetic parameter were introduced and evaluated.
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。
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.
UN ifac模型目前已成为推算非电解质溶液中组分活度系数应用最广泛的模型，并且用于工程设计计算。
Model UNIFAC is one of the most widely used model in reckoning the component activity coefficient in nonelectrolyte solution. It is also used in engineering designing calculation.
本文在前文的分子模型基础上，提出了似化学局部组成的基团模型，可用于极性分子混合物申组分活度系数的预测。
Based onthe molecular QCLC model, a group contribution quasi-chemical local composition model is proposed, in which polar molecule is divided into several non-polar functional groups.
还研究了在氯化钾-氯化锂体系中，氯化锂浓度对锂离子在铝阴极上析出电位的影响，求出了氯化锂的平均活度系数。
The effect of LiCl concentration on deposition potentials of Li ion at al cathode in KCl - LiCl melt was studied and average active coefficient of LiCl was obtained.
实验结果表明：对二氯苯在二组份和三组份共溶剂体系中的活度系数的对数值与各组份的体积分数之间有线性加和关系；
The results show : there is a liner additive relationship between the logarithm of activity coefficients of solute in two or, three component co-solvent system and volume fractions of each components.
本文总结介绍了国外几个著名的形态分布计算软件包中所采用的活度系数计算公式，并比较了各自的优缺点及其适用范围。
The author reviews the activity coefficient formula employed by some famous international speciation calculation programs and compares their advantages, disadvantages and their valid range.
通过试验，获得了实用转换系数，据此，可以求出每节钴靶的比活度。
Useful conversion coefficient is obtained by test, and therefore axial distribution of cobalt target specific activity is calculated.
结果显示，随着水蒸气活度的增加，膜内水分子簇尺寸增大，并在膜的微孔内产生多层吸附甚至毛细管冷凝，导致扩散系数迅速降低。
With the increase of mean cluster size(MCS)at different water activities, multi-layer sorption and capillary condensation occur, which lead to the diminution of diffusion coefficients in P…
评价了几种三元系几何模型，利用统一溶液模型推导出新的预测活度相互作用系数公式。
The activity interaction parameters between alloying elements and P in liquidFe at 1873K were obtained by the thermodynamic calculation.
评价了几种三元系几何模型，利用统一溶液模型推导出新的预测活度相互作用系数公式。
The activity interaction parameters between alloying elements and P in liquidFe at 1873K were obtained by the thermodynamic calculation.
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