1.
Liu S, Li W, Xu F, Wang H, Yang M, Zhang Z. A Study on a Multifunctional Variable-Condition Heat Pump System for Mitigating Heat Stress in Deep Coal Mines and Utilizing Waste Heat. IJE [Internet]. 2026 Apr. 30 [cited 2026 Jul. 29];9(2):28-35. Available from: https://drpress.org/ojs/index.php/ije/article/view/34849