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Methylene Blue Adsorption Performance of Magnetic Zeolite Prepared from Oil Shale Ash
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图5 Fe3O4@NaX型分子筛的TEM照片和选定区域的元素分布
Fig.5 TEM analysis results of Fe3O4@NaX zeolite. (a, b) TEM images; (c, d) selected area and corresponding element distributions