LI Hua~1, REN Chang-ming~2, MAO Yi-zhi~1, HUA Shao-xiong~3(1.Hebei University of Technology, Tianjin 300130, China; 2.School of Electronic Information Engineering, Tianjin University, Tianjin 300072, China;3.Tianjin Research and Design Institute of Chemical Industry, Tianjin 300131, China) |
(1.Hebei University of Technology, Tianjin 300130, China; 2.School of Electronic Information Engineering, Tianjin University, Tianjin 300072, China;3.Tianjin Research and Design Institute of Chemical Industry, Tianjin 300131, China |