| 高压下二元系超额体积的拟合 |
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| 引用本文： | 李伟,白玮.高压下二元系超额体积的拟合[J].化学研究与应用,1999,11(4):362-365. |
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| 作者姓名： | 李伟 白玮 |
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| 作者单位： | 云南大学化学系!昆明650091 |
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| 基金项目： | 云南省科委应用基础研究项目 |
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| 摘 要： | 利用F函数改进的立方状态方程—FRKS方程,并在二元互作用函数中引入压力项因子,对高压下二元系的超额体积进行拟合。压力项因子的引入,使得该方法能够适用于温度、压力变化的体系。对十个高压下的二元系的拟合结果表明,该方法能给出较好的拟合结果。
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| 关 键 词： | 二元系 超额体积 二元互作用函数 拟合 |
CORRELATION OF EXCESS VOLUMES OF BINARY MIXTURES AT HIHG PRESSURE |
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| Li Wei,Bai Wei,Qu Qing,Liu Guangheng.CORRELATION OF EXCESS VOLUMES OF BINARY MIXTURES AT HIHG PRESSURE[J].Chemical Research and Application,1999,11(4):362-365. |
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| Authors: | Li Wei Bai Wei Qu Qing Liu Guangheng |
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| Abstract: | The F function modified cubic equation of state-FRKS and the improved binary interaction function by introducing the pressure factor,were used to correlate excess volumes of binary mixtures at high pressure.This method is suitable for the system with variable temperature and pressure.Comparing with the section correlation,the number of parameter is markedly reduced.The results obtained for ten binary mixtures indicate that the correlation is in good agreement with the experimental data. |
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| Keywords: | binary excess volumes binary interaction function correlation |
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