id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajst-30935	Zhao, Yuming	Study on Stress-Strain Response Characteristics of Hydraulic Fracturing in Deep Coal Mines	2025	4	.pdf	application/pdf	2502	115	52	(2) Principal stress increment analysis of 2# borehole The change curve of principal stress increment in monitoring borehole 2# is shown in Fig. Change curve of principal stress increment in 2#borehole The change curve of azimuth and dip angle of the principal stress of coal and rock mass around the 2# monitoring borehole as shown in Fig.5.	cache/ajst-30935.pdf	txt/ajst-30935.txt