1. Professor, MOE Key Laboratory of Resources and Environmental Systems Optimization, School of Environmental Science and Engineering, North China Electric Power Univ., No. 689 Yonghua North St., Baoding 071003, China (corresponding author).
2. Master’s Student, MOE Key Laboratory of Resources and Environmental Systems Optimization, School of Environmental Science and Engineering, North China Electric Power Univ., No. 689 Yonghua North St., Baoding 071003, China.
3. Senior Engineer, Huadian Qudong Electricity Supply Co., Ltd., No. 5 Wuyang St., Xinxiang 453000, China.