TY - Journal of Yangtze River Scientific Research Institute A1 - LIU Chun T1 - Influence of Modified MgO Expansive Agent on the Fluidity and Expansion of Cement Pastes Y1 - 2020-10-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 156 EP - 160 VL - 37 IS - 10 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.2019085560 ER -