Firstly, the wall effect of the aggregate distribution density of concrete and the formation mechanism of boundary layers were investigated by applying a simple simulation algorithm.
首先，应用一种简单的模拟算法，分析了混凝土骨料分布密度的边界效应和边界层形成机理。
Mixing, spreading, compacting of RCC, formation of structural joints, treatment of construction joints, prevention of aggregate segregation and its handling are given.
碾压砼拌和、平仓、碾压、结构缝的形成、施工缝处理、骨料分离的防止与处理措施。
Experimental results showed that the formation of J-aggregate mainly depends on the dye structure, secondly depends on the property of the crystal of AgX-emulsion.
试验结果表明，染料的J -聚集态的形成主要取决于染料的结构，其次依赖于卤化银的晶形。
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