RT Journal T1 NO .5,2020 A1 PB Journal of Chaohu University FD 2020-09-25 YR 2020 JF Journal of Chaohu University JO Journal of Chaohu University VO 22 IS 5 SP 0 DO K1 LK {http://xb.chu.edu.cn/EN/article/article_332.shtml}