Professor at Xi'an University of Science and Technology, Xi'an, China. Prof. Yan is mainly engaged in scientific research in the fields of unconventional gas safe exploitation theory and technology, carbon-based gas adsorption and desorption law and mechanism, and carbon-based multi-phase interface regulation mechanism. Prof. Yan's relevant academic research results have been published in Applied Energy, Energy, Fuel, Coal Journal and other important journals at home and abroad in the field (including more than 20 SCI papers and 2 EI papers), and have been positively quoted and reported by many famous international journals. Prof. Yan 's research has also been funded by the National Natural Science Foundation of China, and is currently exploring a new research direction for ultrasonic enhanced water injection to moisten coal.