id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brj-22564	Lee, Min; Kang, Eun-Chang; Lee, Sang-Min	Effects of Different Flame-Retardant Treatments on the Sound Absorption Properties of Low-Density Fiberboard	2023	14	.pdf	application/pdf	6022	287	55	In particular, the LDF treated with flame retardant The sound absorption coefficients of all LDF samples were low in the low- frequency region of 1000 Hz or less, and they decreased or increased according to the type of flame retardant or treatment.	cache/brj-22564.pdf	txt/brj-22564.txt