CAS Key Laboratory of Geospace Environment;
School of Earth and Space Sciences;
University of Science and Technology of China;
Hefei 230026;
China;
Mengcheng National Geophysical Observatory;
University of Science and Technology of China;
Hefei 230026;
China;
Collaborative Innovation Center of Astronautical Science and Technology;
Harbin 150001;
China;
Institute of Geology and Geophysics;
Chinese Academy of Sciences;
Beijing 100029;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
airglow; thermal electron; dissociative recombination; HF heating;