Anastomosis of lacrimal sac to conjunctival sac
Coelomic sac Coelom sac
peripodial sac peripodal sac
Acacia mearnsii tannin extracts
bayberry tannin extract
Black wattle tannin adhesive
condensed tannin
缩合鞣质
浓缩单宁
缩合单宁
缩合鞣素
可水解鞣质
酚类物质
Cr-Fe- tannin combined tannage
decomposition of tannin
Desulfurization By Tannin Extraction Process