[Liu, X.] Hunan Agr Univ, Oriental Sci & Technol Coll, Changsha, Hunan, Peoples R China.
[Liu, X.] Hunan Agr Univ, Sci Coll, Changsha, Hunan, Peoples R China.
[Zhang, Y.] Jinan Univ, Packaging Engn Inst, Zhuhai, Peoples R China.
[Shi, H.] Guangdong Construct Vocat Technol Inst, Modern Business & Management Dept, Guangzhou, Guangdong, Peoples R China.
[Deng, X.] Hunan Univ Commerce, Sch Math & Stat, Changsha, Hunan, Peoples R China.