3Ho F L,Kloslewlcz D W.Proton nuclear magnetic resonance spectrometry for determination of substituents and their distribution in carboxymethylcellulose[J].Anal Chem,1980 (52):913-916.
6BLAKENEY A B,HARRIS P J, HENRY R J, et al. A sim-ple and rapid preparation of alditol acetates for monosaccharideanalysis[J]. Carbohydr Res, 1983,113(2):291-299.
7ABDEL-MOHDY F A,ABDEL-HALIM E S, ABU-AYANA YM,et al. Rice straw as a new resource for some beneficialuses[J].Carbohydrate Polymers, 2009,75( 1) :44-51.
8AKIRA I. Cellulose Material Science[M]. Tokyo: The Univer-sity of Tokyo Press,2001.