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		聚间苯二胺修饰壳聚糖对Cr(Ⅵ)的吸附性能研究
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			Research on adsorption characteristics of Cr(Ⅵ) in water by poly (m-phenylenediamine) modified chitosan
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| 图3. 共存离子对Cr(Ⅵ)去除率的影响 | 
| Fig.3. Effect of coexisting ion on the removal rate of Cr(Ⅵ) | 
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