[1] Qingdao Univ, Coll Mech & Elect Engn, 308 Ningxia Rd, Qingdao 266071, Peoples R China
[2] Qingdao Univ, State Key Lab Biopolysaccharide Fiber Forming & Ec, 308 Ningxia Rd, Qingdao 266071, Peoples R China
[3] Qingdao Univ, Normal Coll, 308 Ningxia Rd, Qingdao 266071, Peoples R China
[4] Shandong Univ, Inst Mol Sci & Engn, Inst Frontier & Interdisciplinary Sci, Qingdao 266237, Peoples R China