1. Institute of Intelligent flexible Mechatronics, Jiangsu University, Zhenjiang, 212013, P. R. China
2. School of Chemistry and Chemical Engineering, The Key Laboratory of Coordination Chemistry of Jiangxi Province, Humic Acid Utilization Engineering Research Center of Jiangxi Province, Jinggangshan University, Ji’An, Jiangxi 343009, P. R. China
3. School of Mechanical Engineering, Yangzhou University, Yangzhou 225127, P. R. China