Department of Environmental and Chemical Engineering, Nanchang Institute of Aeronautical Technology,Nanchang 330034, China Jiangxi Hengda Group ,Nanchang 330029, China Department of Environmental and Chemical Engineering, Nanchang Institute of Aeronautical Technology,Nanchang 330034, China Department of Environmental and Chemical Engineering, Nanchang Institute of Aeronautical Technology,Nanchang 330034, China;
NdFeB; permanent; magnet; base; stripping; nickel; coating; reagent; of; retarding; corrosion; calatyze;