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运用电子显微技术（ＴＥＭ及ＳＥＭ）与孔隙结构测试技术，结合孢粉组合分析方法，对云南第三纪浅色褐煤的孔隙结构特征、成煤植物组成及孢粉组合特征等方面进行了较系统研究，并将上述结果与特殊植物成因泥炭进行了孔隙结构特征对比，在此研究基础上对浅色褐煤的成煤植物及煤的成因提出了新的认识。
Using electron microscopy (TEM and SEM) and pore structure testing, combined with sporo-pollen assemblage analysis, the characteristics of pore structure, composition of coal-forming plants and sporopollen assemblages of Tertiary light-colored lignite in Yunnan Province were compared Based on the above research, the new results have been compared with those of the peat with special plant origin. Based on this study, new understandings have been given to the genesis of the coal-bearing plants of light-colored lignite and coal.