1. School of Science; Xi'an University of Architecture and Technology; Xi'an China
2. National Engineering Laboratory for Modern Silk, College of Textile and Engineering; Soochow University; Suzhou China
3. School of Mathematics and Information Science; Henan Polytechnic University; Jiaozuo China
4. Mechanical Engineering Department, Faculty of Engineering; Shahid Chamran University of Ahvaz; Ahvaz Iran