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[求助]
小虫子在这里弱弱地问一下：Le Bail Fitting 是怎么回事？
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今天第一次遇到这个名词，看的书上也没有提到这个（或许没看到）…… Le Bail fitting对应的中文翻译是什么？在哪些书上有相关的内容？它大致的内容和作用是什么？ |
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bianliu199
木虫 (小有名气)
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【答案】应助回帖
大石头zhy(金币+10): 多谢多谢 2011-11-09 12:37:33
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Armel Le Bail是个人名，他发明的一种拟合方法。就是 Le bail fitting To overcome some of the problems of theSample Text as experienced at the time, Sample Texttook a wholly different approach to the extraction of the peak intensities from the powder profile. The approach was simple and, perhaps more importantly, it was very easy to code into existing Rietveld programs. Armel Le Bail’s idea: can the Rietveld extraction method be used to estima reflection intensities even without a structural model? the answer :YES Sample Text |
4楼2011-11-09 12:00:22
bianliu199
木虫 (小有名气)
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2楼2011-11-05 16:39:56
3楼2011-11-05 17:05:17
bianliu199
木虫 (小有名气)
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【答案】应助回帖
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LeBail Method To overcome some of the problems of the Pawley method as experienced at the time, Armel le Bail took a wholly different approach to the extraction of the peak intensities from the powder profile. The approach was simple and, perhaps more importantly, it was very easy to code into existing Rietveld programs. The method uses a two-step cyclic process. As with the Pawley method, the following parameters are fitted by a standard least-squares methods: A,B,C,D,E,F - Unit-cell metric tensor parameters; 2θzero - Instrumental zero error; U,V,W - Peak-width parameters; η, etc. - Other peak-shape parameters. |
5楼2011-11-09 12:01:39