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[求助] 如何求得修正后的阿伦尼乌斯方程的三个参数 已有1人参与

当温度范围较大时,阿伦尼乌斯方程会产生误差,此时要对阿伦尼乌斯方程进行修正:k=A·T^n·exp(-Ea/R·T),n一般在-1到1之间。我求取了五组k-T数值,然后发现lnk-1/T并非一条直线,所以想用修正后的阿伦尼乌斯方程进行求解,但是求解出来数值不符合常理,所以怀疑自己是不是求错了。在这里请教各位如何求得A、n和Ea这三个参数?谢谢!

[ Last edited by sddtc888 on 2014-2-19 at 16:28 ]
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sddtc888

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Hψ=Eψ S=klnΩ dS≥δQ/T

【答案】应助回帖

感谢参与,应助指数 +1
用Origin的非线性拟合,可以求得参数,具体使用方法自己去百度里搜,很多的
I can safely said that nobody understands the quantum theory. —— R. P. Feynman
2楼2014-02-19 17:20:58
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