ZnFe2O4-N-BC Bifunctional Catalyst in Visible Light−Peroxydisulfate Coupled System in Norfloxacin DegradationZnFe2O4-N-BC双功能催化剂在可见光-过二硫酸盐耦合体系中对诺氟沙星降解CatalystsIF42026-02-260OAAI