Vegetal fibrous paper, whose main chemical composition are fibrin, half-fibrin and lignin, is the carrier material of books, data and paper files.
植物纤维纸是图书资料和纸质档案的载体材料，其主要化学成分是纤维素、半纤维素和木素。
The present invention provides a fluorochemical composition for treatment of a fibrous substrate.
本发明提供一种用于处理纤维基材的氟化物组合物。
Objective:To analysis the composition in Polygonatum Cyrtonema Hua at Rhizoma and Fibrous Root.
目的：黄精根茎与须根相关成分分析。
Objective:To analysis the composition in Polygonatum Cyrtonema Hua at Rhizoma and Fibrous Root.
目的：黄精根茎与须根相关成分分析。
应用推荐