目的：应用灰关联分析及聚类分析等数据挖掘方法探讨治疗骨质疏松症的用药规律。
Objective: Grey relational analysis(GRA) and fuzzy clustering analysis(FCA) are adopted to discuss the regularity of compound herbal formulae for OP.
含矿岩石主要为灰—深灰色疏松和次疏松细—粗粒长石石英砂岩，铀主要以吸附形式存在；
The ore-bearing rocks are mainly grey-dark grey, loose and sub-loose, fine-coarse feldspathic quartz sandstone. Uranium occurs in an adsorption manner.
SEM分析表明，提铝残渣颗粒形貌完全不同于粉煤灰原灰形貌，且多为不规则玻璃体颗粒，表面粗糙不平、并呈多孔、疏松结构。
SEM analysis show that morphology of the residue was mostly anomalistic vitreous body that the surface was coarse, poriferous and of lax structure, and therefore it was different from fly ash.
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