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. State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, P. R. China
3. State Key Laboratory of Efficient Production of Forest Resources, Beijing 100083, China