| 烷烃沸点的递变函数 |
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| 引用本文： | 范明舫,聂长明. 烷烃沸点的递变函数[J]. 南华大学学报(自然科学版), 1999, 0(1) |
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| 作者姓名： | 范明舫 聂长明 |
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| 作者单位： | 中南工学院化学工程系 |
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| 摘 要： | 本文从烷烃沸点Ｔｂ与结构重复单元数Ｎ间的三个待选四参数拟合函数中甄别出一个高准确度的计算公式：Ｔｂ＝ｄｌｎ〔（Ｎ＋ｃ）／（ａＮ＋ｂ）〕该式对直链及四个支链同系物的９２组烷烃沸点的计算表明，各系列计算值与实验值的最大绝对误差小于２Ｋ，最大残差均方小于０．８Ｋ，９２组绝对误差平均值小于０．５Ｋ．
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| 关 键 词： | 烷烃；烷烃沸点；烷烃结构；非线性规划 |
Recurrence Function of Boiling Point of Alkanes |
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| Fan Mingfang Nie Changming. Recurrence Function of Boiling Point of Alkanes[J]. Journal of Nanhua University(Science and Technology), 1999, 0(1) |
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| Authors: | Fan Mingfang Nie Changming |
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| Affiliation: | Department of Chemical Engineering |
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| Abstract: | In this paper,a high accurate formula, T b=d ln (N c)/(aN b) ,has been developed from three functions with four parameters selected between boiling points of alkanes T b and their structural repeated unit number N.The formula is used to calculate 92 straight chain alkanes and branch chain alkanes.The results show that the maximum absolute error between the calculated values of these alkanes and their experimental values is less than 2K,and predictive residual sum of squares less than 0 8K.The average absolute error of the 92 data is less than 0 5K. |
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| Keywords: | alkane alkane boiling point alkane structure non linear programming |
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