1. Key
Laboratory of Condition Monitoring and Control for Power Plant Equipment
of Ministry of Education, School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
2. National
Center for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic
Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics
and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, China
3. Key
Laboratory for Thermal Science and Power Engineering of Ministry of
Education, Thermal Engineering Department, Tsinghua University, Beijing 100084, China