1. Key Laboratory of Plateau Oxygen and Living Environment of Tibet Autonomous Region, College of Science, Tibet University, Lhasa 850000, P. R. China
2. College of Information Engineering, Xizang Minzu University, Xianyang 712000, China
3. Fujian Quanzhou Peninsula Materials Co., Ltd., Quanzhou 362000, China
4. Aimoli (Hebei) Technology Co., Ltd, Shijiazhuang 050000, China