大学化学2024,Vol.39Issue(7) :381-385.DOI:10.3866/PKU.DXHX202311023

多函数模型拟合表面张力与浓度曲线的比较

Comparison of Multiple Function Methods for Fitting Surface Tension and Concentration Curves

韩瑞麟 阎晓琦
大学化学2024,Vol.39Issue(7) :381-385.DOI:10.3866/PKU.DXHX202311023

多函数模型拟合表面张力与浓度曲线的比较

Comparison of Multiple Function Methods for Fitting Surface Tension and Concentration Curves

韩瑞麟 1阎晓琦2
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作者信息

  • 1. 南开大学化学学院,天津 300071
  • 2. 南开大学化学学院,天津 300071;南开大学应用化学与工程研究所,天津 300071
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摘要

为了更深入地研究表面张力的经典实验,利用Origin软件,采用多种函数模型对表面张力与浓度曲线分别进行拟合,并对每种函数拟合的优缺点加以讨论.其中对数函数拟合数学准确性较高,同时兼具物理意义,更贴切实况.明确了表面张力与浓度拟合的经典实验中以对数函数模型最为适宜.

Abstract

In order to conduct a more in-depth study of the classic experiment on surface tension,various function models were employed using Origin software to fit the surface tension and concentration curves.The advantages and disadvantages of each function fitting were then discussed.It was found that the logarithm function exhibited high mathematical accuracy and also had a clear physical interpretation,making it more suitable and practical for fitting the surface tension and concentration curves.This finding provides valuable insights for data processing in college experimental teaching.

关键词

多函数模型/表面张力/物理化学实验/非线性拟合/Origin软件

Key words

Multiple function models/Surface tension/Physical chemistry experiment/Nonlinear fitting/Origin software

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基金项目

国家基础科学人才培养基金(J1103306)

出版年

2024
大学化学
北京大学 中国化学会

大学化学

影响因子:0.636
ISSN:1000-8438
参考文献量3
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