1. College of Chemistry and Chemical Engineering Taiyuan University of Technology No. 79 Yingze West Street Taiyuan Shanxi P. R. China
2. Electromagnetic Protection Materials and Technology Key Laboratory of Shanxi Province 33rd Research Institute of China Electronics Technology Group Corporation Taiyuan 030006 P. R. China
3. Shanxi Kunming Tobacco Co. Ltd. 21 Dachang South Road Taiyuan Shanxi P. R. China
4. College of Environment Science and Engineering Taiyuan University of Technology No. 79 Yingze West Street Taiyuan Shanxi P. R. China
5. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization No. 79 Yingze West Street Taiyuan Shanxi P. R. China