id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brj-22557	Kang, Chun-Won; Hashitsume, Kazuharu; Jang, Eun-Suk	Investigation of the Sound-absorbing Performances of Pure Coffee Grounds	2023	11	.pdf	application/pdf	4204	221	58	“Sound absorption by coffee grounds,” BioResources 18(2), 3308-3318. After inserting coffee grounds into cylindrical holders with lengths of 20, 30, and 40 mm, the density of the coffee grounds was adjusted from 0.2 to 0.5 g/cm3.	cache/brj-22557.pdf	txt/brj-22557.txt