1. Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China
2. Department of Mining and Metallurgical Engineering, Faculty of Engineering, University of Assiut, Assiut, P.O. Box 71515, Egypt
3. Department of Energy and Resources Engineering, Chonnam National University, Gwangju, Republic of Korea
4. Wuhan University of Technology, School of Resources and Environmental Engineering, Luoshi Road 122, Wuhan, Hubei 430070, China
5. Electric Department, Faculty of Engineering-Qena, 83513, Al-Azhar University, Cairo, Egypt
6. Mining and Petroleum Engineering Department, Faculty of Engineering-Qena, 83513, Al-Azhar University, Cairo, Egypt