id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-24875	Li , Guangzeng; Yang, Junpeng; Gao, Zhongguo; Xin, Yajun; Zhang, Dongying; Gong, Jiawei	Roof Movement Characteristic and Pressure Relief Range Determination during the Lower Long-Distance Protective Seam Mining	2024	6	.pdf	application/pdf	3997	183	54	However, with the mining deepening in recent years, the factors such as high stress, high gas pressure and low permeability of coal seam have seriously restricted deep coal mining The average thickness of 9# coal seam was 1.81m, the average thickness of 15# coal seam 2.4m, the average distance between 9# coal seam and 15# coal seam 64m, and the average inclination of coal seam 8°.	cache/ajst-24875.pdf	txt/ajst-24875.txt