1. School of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, People’s Republic of China
2. Measurement Science and Standards, National Research Council Canada, 1200 Montreal Road, Building M-9, Ottawa, Ontario K1A OR6, Canada
3. State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China