TY - Journal of Yangtze River Scientific Research Institute A1 - SHAO Xiao-mei, LI Zhen,HAN Wei T1 - Application of SEM to the Test on Aggregate Alkali Activity of Fully-graded Long-age Concrete Y1 - 2015-09-20 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 153 EP - 156 VL - 32 IS - 9 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20140220 ER -