cellulose IV纤维素IVcellulosen.纤维素cellulose hydroxypropyl methyl ether纤维素羟丙基·甲基醚cellulose thin-layer chromatography纤维素薄层色谱法cellulose/phosphoric acid solution纤维素/磷酸溶液cellulose nitrate-cellulose acetate硝酸纤维素-醋酸纤维素cellulose-decomposing microorganism纤维素分解菌cellulose acetate film electrophoresis乙酸纤维素薄膜电泳Cellulose acetate cigarette filter tow二醋酸纤维素丝束cellulose-decomposing microorganisms纤维素分解菌Cellulose-acetafolic electrophoresis醋酸纤维素薄膜电泳Cellulose decomposition microorganisms纤维素分解茵