id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brj-24485	Jorbandian, Amin; Ghavidel, Amir; Gholamiyan, Hadi; Hosseinpourpia, Reza	Surface Characteristics of Selected Wood Species after Treatment with Tannin and Ammonia Vapor	2025	14	.pdf	application/pdf	5606	275	52	Both existing tannin types, such as hydrolyzable and condensed tannins, protect wood surfaces from photodegradation and discoloration by forming complexes with wood components and absorbing UV. The variations in color parameters (L*, a*, and b*) observed in the treated wood samples might be due to the chemical modification of wood surfaces induced by the ammonia vapor and tannin treatments.	cache/brj-24485.pdf	txt/brj-24485.txt