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该研究主要利用Gini系数来探讨镜质体反射率量测上不均性的结果 ,由单一煤样之水洗样 (Y2 )及富集壳质组之样品 (Y3) ,与原始样 (Y1 )作Gini系数的比较。分析显示水洗样Y2 之镜质体反射率有向平均值集中的情形 ,而富集样Y3之Gini系数则有向平均值两端分布的趋势 ;向高值端的部分系受水洗的影响 ,而向低值端的发展 ,系受壳质组富集的影响。由Gini系数特性的研究可推广至已知再沉积材料之镜质体反射率的量测上 ,以取得一个可靠之Gini系数分布范围 ,作为将来分析样品时的参考。
In this study, the Gini coefficient was used to investigate the measurement of the unevenness of the vitrinite reflectance. The results showed that the average ratio of vitrinite reflectance to the original sample (Y1) For Gini coefficient comparison. The analysis showed that the mean value of vitrinite reflectance in water-washed sample Y2 was concentrated, whereas the Gini index in sample-enriched sample Y3 had a tendency to distribute at both ends of the mean value. The portion at the high end was affected by water washing, The development towards the low end is affected by the enrichment of the crust sets. The study of Gini coefficient properties can be extended to the measurement of the vitrinite reflectance of known redeposited materials in order to obtain a reliable Gini coefficient distribution as a reference for the future analysis of samples.