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		改性净水污泥颗粒对水中氨氮的动态吸附研究
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			Dynamic adsorption of ammonia nitrogen in water by modified water treatment sludge
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| 图3. 原泥颗粒吸附剂和改性颗粒吸附剂的氮气吸附-脱附曲线以及孔径分布图 | 
| Fig.3. Nitrogen adsorption-desorption curves and pore size distribution of raw sludge adsorbent and modified particulate adsorbent | 
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