Determination of the dry density of lightweight aggregate concrete with open structure ; german version en 992 : 1995 多孔结构轻质集料混凝土干密度测定
The absorption ability of the film surface was increased , therefore , the photocatalytic activity if the thin film was enhanced 多孔结构使薄膜的光电化学反应面积增大,吸附水能力增强。
Test methods for verification of corrosion protection of reinforcement in autoclaved aereted concrete and lightweight aggregate concrete with open structure 高压蒸氧加气混凝土和多孔结构轻质集料混凝土中钢筋防蚀检验方法
Test methods for verification of corrosion protection of reinforcement in autoclaved aerated concrete and lightweight aggregate concrete with open structure 热压充气混凝土和多孔结构轻质集料混凝土中钢筋防蚀检验的试验方法