1. Beijing Key Laboratory of Lignocellulosic Chemistry, MOE Engineering Research Center of Forestry Biomass Materials and Bioenergy, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China
2. Analytical Instrumentation Center of Peking, Peking University Beijing 100871, China
3. State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
4. State Key Laboratory of Efficient Production of Forest Resources, Beijing 100083, China