TY - Journal of Changjiang River Scientific Research Institute A1 - WU Zhang-song , ZHANG Gen-guang , LIANG Zong-xiang, XING Ru T1 - Error Analysis of Low Sediment Concentration Measured by Pycnometer Method Y1 - 2016-03-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 5 EP - 8 VL - 33 IS - 3 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20140868 ER -