2Xiao B,Sun X F,Run Cang Sun.Chemical,structural and thermal characterizations of a alkali-soluble lignins and hemicelluloses and cellulose from maize stemsrye straw[J].Polymer Degradation and Stability,2002,71(2):223-231.
3Baskoca A,Ozkul M H.Artiram S.Effect of chemical admixtureon workability and strength properties of prolonged agitated concrete[J].Cement and Concrete Research.1998,28(5):737-740.
4Kjell Magne A,Stig Are Gu,Johan S,et al.Complexation between lignosulfonates and cationic surfactants and its influence on emulsion and foam stability[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,1999,159(1):89-101.
5Mai C,Majcherczyk A,Huttermann A.Chemo-enzymaticsynthesis and characterization of graft copolymer from lignin and acrylic compounds[J].Enzyme and Microbial Technology,2000,27(3):167-175.
6Wu G,Heitz M.Catalytic mechanism of Cu^2+ and Fe^3+ inalkaline O2 lignin.Journal of Wood Chemistry Technology[J].1995,15(2):189-202.
7AdanezJ,Garcia-Labiano F,Fierro V.Modeling for the high-temperature sulphation of calcium-based sorbents with cylindrical and plate-like pore geometries[J].Chemical Engineering Science,2000,55(18):3665-3683.
8Zalevskaya G N,Elishevich A T,Samoilov A I,et al.Somefeatures of granulating coal sludges with lignosulfonate[J].Solid Fuel Chemistry,1995,29 (4):54-58.
