TY - Journal of Yangtze River Scientific Research Institute A1 - LI Dan-wen, LIN Li, PAN Xiong, WU Xiao-hui T1 - Research Progress on Sampling and Pretreatment Methods of Microplastics in Fresh Water Environment Y1 - 2021-07-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 14 EP - 23 VL - 38 IS - 7 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20200586 ER -