油页岩主要赋存于始新渐新统油柑窝组。
The oil shale mainly occurs in the Eocene-Oligocene Youganwo Formation.
目的：从油柑中提取油柑多糖，并分析其清除氧自由基作用。
OBJECTIVE: To extract the polysaccharide from Phyllanthus emblica l. and analyse its effect of cleaning oxygen radical.
油柑窝组油页岩与煤层伴生，分布在煤层顶部，是最主要的含矿层位，形成于半深湖相沉积环境。
The Youganwo Formation is the main mining horizon where the oil shale lies on the top of coal beds. The sedimentary environment of the oil shale belongs to a moderate deep lake system.
油柑窝组油页岩与煤层伴生，分布在煤层顶部，是最主要的含矿层位，形成于半深湖相沉积环境。
The Youganwo Formation is the main mining horizon where the oil shale lies on the top of coal beds. The sedimentary environment of the oil shale belongs to a moderate deep lake system.
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