| 胺化改性磁性O-羧甲基壳聚糖吸附Co(Ⅱ)的研究 | 
| 张伟 | 
| Modification of magnetic O-carboxymethyl chitosan by amination reaction and its Co(Ⅱ) adsorption properties | 
| Wei ZHANG | 
| 图6 吸附时间对Co(Ⅱ)吸附效果的影响 | 
| Fig. 6 Effect of adsorption time on adsorption effect of Co(Ⅱ) | 
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