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		秸秆纤维素基水凝胶负载Fe3O4/Cu催化剂还原硝基苯甲酸
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			Straw-based hydrogel supported Fe3O4/Cu catalysts for the reduction of nitronitrobenzoic acid
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| 图11. SCH@Fe3O4/Cu催化剂催化还原NA的循环稳定性测试 | 
| Fig. 11. Cyclic stability test of SCH@Fe3O4/Cu catalyst for catalytic reduction of NA | 
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