1. Yunnan Key Laboratory of Tobacco Chemistry, Technology Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming 650231, China
2. Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
3. University of Science and Technology of China, Hefei 230026, Anhui, China
4. China National Tobacco Quality Supervision and Test Center, Zhengzhou 450001, China