1. School of Chemical Engineering; Ningbo Univ. of Technology; 89, Cuibai Road Ningbo Zhejiang 315016 People's Republic of China
2. Dept. of Grain Science and Industry; Kansas State Univ; Manhattan KS 66506 U.S.A
3. Zhejiang NVB Co. Ltd; High-Tech Industry Zone (Second); XinChang 312500 People's Republic of China