College of Vocational;
Liaoning Technical University;
Fuxin;
Liaoning 123000;
China;
School of Safety Science and Engineering;
Henan Polytechnic University;
Jiaozuo;
Henan 454003;
China;
Heilongjiang Institute of Science and Technology;
Harbin;
Heilongjiang 123000;
China;
School of Energy and Safety Engineering;
China University of Mining & Technology;
Xuzhou;
Jiangsu 221008;
China;