Liu, X. S.
Tan, Y. L.
Ning, J. G.
Wang, J.
Funding for this research was provided by:
National Natural Science Foundation of China (51274133, 51474137, 51344009)
Shandong Province Natural Science Fund (ZR2012EEZ002)
Doctoral Scientific Fund Project of the Ministry of Education of China (20123718110013)
Open Fund of State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology (MDPC2013KF12)