1. School of Chemical Engineering, Nanjing University of Science and Technology, Xiaolingwei 200, Nanjing, Jiangsu, China
2. China Northern Industries Group Co., Ltd. (NORINCO GROUP), Beijing 100089, P. R. China
3. Northwestern Polytechnical University, China, No. 127, Youyi West Road, Xi’an City, Shanxi Province, 710068, China