Wang, Yanan, Key Laboratory of Applied Physical Chemistry of Qinghai Province, Qinghai Nationalities University, Xining 810007, PR China; Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry; National Engineering Laboratory for Biomass Chemical Utilization; Key Laboratory of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Laboratory of Biomass Energy and Material, Nanjing 210042, Jiangsu, China, China