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		纳米MgO2的制备及其在含水层中迁移性能研究
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			Preparation of nano-MgO2 and its migrational ability in aquifer
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| 图4. SDS-聚丙烯酸钠(a)、SDS-CMC(b)复配表面活性剂对MgO2的改性效果 | 
| Fig.4. Modification effect of SDS-sodium polyacrylate(a), SDS-CMC(b) combinational surfactant on MgO2 | 
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