By the experiment of sand model, an investigation of silt content, rank of silt grain and silt deposition rate under different conditions of water and silt have been obtained.
通过泥沙模型试验研究，分析不同入库水沙条件下进入取水口内水流的含沙量和颗粒级配，水库对泥沙的沉降率。
It was investigated that the effects of the different content micro-fines on the bleeding rate in manufactured-sand fresh concrete.
测试了不同石粉含量对机制砂混凝土拌合物泌水率的影响。
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