偏心因子

G~（S（1））为非简单流体热力学性质的校正系数，是对比温度Tr和偏心因子ω的函数。

G ~ ( s ( 1 )) is a correction factor of the thermodynamic property for real saturated fluids which is a function of both reduced temperature T_r and acentric factor ω .

采用Roess式计算临界温度，Soave式计算蒸汽压参数，Lee-Kessler式计算临界压力及偏心因子，其预测温度普遍偏低。

When the critical temperature , vapour pressure parameter and the critical pressure and acentric factor are calculated by Roess , Soave and Lee-Kessler equations respectively , the predicted temperatures are all in negative deviation .

有机物临界压缩因子Zc的估算链烷烃的偏心因子和临界压缩因子定量构效关系

Quantitative structure-property relationship of eccentric factor and critical compressibility factor of chain alkanes

选用拟一元模型得到的CuAlCl4·（C6H5CH3）n的表观临界参数和表观偏心因子作为状态方程中含盐非水溶液的特征参数。

The apparent critical parameters and the apparent eccentric factors obtained by the pseudo-unitary model were used as characteristic parameters of these non-aqueous salt-containing solutions .

结合路径数P2和P3对链烷烃的偏心因子ω和临界压缩因子Zc进行研究。

Along with the path number P_2 and P_3 , the study was conducted on eccentric factor ω and critical compressibility factor Z_c of alkanes .

根据Riedel蒸汽压方程和偏心因子的定义式，导出了物质偏心因子关联式；

Based on Riedel vapor pressure equation and defining equation of eccentric factor a correlation of eccentric factor of matter was derived ;

在根据Riedel蒸汽压方程确定偏心因子计算式形式的基础上，利用物质偏心因子的文献数据，通过非线性回归得出了物质偏心因子关联式；

Based on Riedel vapor pressures equation , by regression analysis of numerical value of eccentric factor in literature , a correlation of eccentric factor of matter was presented in this paper .

高偏心因子物质的热力学性质普遍化关联

Generalized correlation for Thermodynamical Properties of substances with high acentric factors

利用维纳指数估计和预测烷烃偏心因子

Estimation and Prediction of Acentric Factor of Paraffins by Using Wiener Index

可变偏心因子及对饱和蒸汽压计算的应用

Changeable acentric factor and its application to the prediction of vapor pressures

饱和烷烃偏心因子与拓扑指数的相关性研究

Study on Correlativity between Eccentric Factor of Saturated Hydrocarbons and Topological Index

烷烃偏心因子和临界压缩因子的分子拓扑学研究

Molecular topological study on eccentric factor and critical compressibility factor of alkane series

烷烃的偏心因子与连接性指数的关系

Relationship between Connectivity Index and Acentric Factor of Alkanes

纯物质偏心因子新推算式

A New Acentric-Factor Formula for a pure Compound

本文提出物质的热力学性质和偏心因子之间存在着非线性关系。

There is a non-linear relationship between thermodynamical properties and acentric factors of substances .

用图论方法预测饱和烷烃的偏心因子

Prediction of Paraffin Eccentric Factors by Graph Theory

物质偏心因子的回归与关联

Regression and correlation of eccentric factor of matter

基团贡献法估算偏心因子

A group contribution model for predicting acentric factor

偏心因子计算方法的探讨

Probe into Method of Calculating Acentric Factor

应用偏心因子和构形因子预测化合物的聚集活性参量

Prediction for parameters of aggregation activity of compounds using both acentric factor and configuration factor

有机物偏心因子的计算

Calculation of eccentric factor of organic matter

烃类偏心因子的计算

Estimation of Acentric Factor of Hydrocarbons

偏心因子数据的计算方法研究进展

Developments in Calculation of Acentric Factor

论述了以物质偏心因子作为第3参数在三参数对应态原理的应用；

It was discussed that the eccentric factor of matter taking as third parameter was applied in corresponding state principle with three parameters ;

该模型通过引入混合规则，仅需输入混合工质各组分的分子量、偏心因子和临界参数即可预测混合工质的粘度和导热系数。

By introducing the mixing rule , only molecular weight and acentric factor and critic parameters of each components are required as input .

用上述二式分别对烷烃的偏心因子和临界压缩因子进行计算，计算值与实验值吻合良好。

Using these formulas , eccentric factors and critical compressibility factors of alkane series are calculated and the calculated values are in excellent agreement with the experimental values .

利用新关联式计算了20类366种物质的偏心因子，将计算值平均误差与文献上各种偏心因子关联式的平均误差进行了比较；

By use of new correlation , 366 kinds in 20 categories of matter eccentric factors have been calculated , comparison was made between the average error of this calculated value and the average error obtained from the correlation of various eccentric factors from literature ;

在推导阵列感应测井偏心几何因子及其数值计算的基础上，分析了Doll偏心几何因子的特性，讨论了线圈距和地层电导率变化对带推迟效应偏心几何因子的影响。

Based on the derivation of the eccentric geometrical factor of array induction and its numerical computation , the features of Doll eccentric geometric factor are analyzed , and the influence of coil spacing and conductivity on the eccentric geometric factor with the time delay effect is discussed .

偏心时几何因子与居中时几何因子有较大的差别，表明偏心将导致异常井眼响应。

Compared the center geometrical factor , the eccentricity will generate high borehole effect .

发现Wiener数是一个能够很好地衡量分子结构偏心程度的拓扑指数，在Pitzer偏心因子与Wiener数之间存在着很好的比例关系，据此能够预测异构烷的偏心因子。

Wiener Number was found to be a good measure of acentric degree of molecular structure . A proportional relationship between Pit-zer acentric factor and Wiener Number for paraffins was established . The relationship can be used to predict Pitzer acentric factor of isomeric alkanes .