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- The influence of different cement grain size and W/B ratio to the concrete permeability under the condition of normal atmospheric pressure is tested. 试验测试了混凝土在常压状态下,不同水泥粒度和水胶比对混凝土渗透性的影响。
- cement grain size 水泥粒度
- There is a general decrease in grain size upward. 粒度一般是向上递减的。
- Rough and loose structure for rough grain size. 接触面积大时用粗松的组织。
- Fine grain size for the smaller contact area. 接触面积小时用细的粒度。
- Coarse grain size for the larger contact area. 接触面积大时用粗的粒度。
- Grain size of the sample had been measured. 降尘量和粒度参数值在尘暴前期和后期都呈现不同特征。
- The grain size distribution was bimodal as a whole. 尘暴降尘的粒度基本呈双峰态分布。
- A research has been made on the effects of the grain size, crystallinity and quantity of crystal quartz in siliceous raw material on the burnability of cement raw meal. 研究了硅质原料中石英晶体大小、相对结晶度及数量对水泥生料易烧性的影响。
- Its equidimensional grain size tends to mask the laminae. 它的粒度的均一往往会掩盖了纹层层理。
- Grain size had some effect on the rate of crack propagation. 晶粒尺寸大小对裂纹扩展速率也有影响。
- In this paper, all factors effecting cement permeability are anglicized first, such as water cement ratio, cement grain diameter porosity, cement type and permeabiliuy increaser. 分析了影响水泥石绝对渗透率的各种因素,包括水灰比、颗粒半径、孔隙度、水泥类型和增渗剂等。
- Type O steel shall be supplied without specific grain size control. 0类型的钢没有特殊的颗粒尺寸控制。
- Fine-grain (grain size <0.5 mm) aluminosilicate concrete. 细颗粒(粒度小于0.;5毫米)的硅铝酸盐混凝土。
- The best rubbing time and grain size are given in the paper. 文中给出了最佳的样品研磨时间及粒度。
- Acidizing is useful in improving this tight sandstone. Effectiveness of acidizing is controlled by the occurrence and the content of acid soluble cement,Sorting of grain size and the characteristics of pore texture of the reservoir rock. 酸化作用对低渗砂岩储集层的改造是可行的,影响酸化效果的因素有酸溶性胶结物含量和产状、岩石粒度及分选性、储层孔隙结构特征。
- The relationship be-tween grain size and fractal dimension is investigated. 考察了晶粒度与分维之间的关系。
- They impinge on the final structure, grain size and properties of this alloy. 他们对最终组织、晶粒尺寸和合金性能都有较大的影响。
- A new method for fining grain size has been developed in this peper. 本文提出一种细化柘榴石磁光膜晶粒的有效方法。
- So the grain size of the gear steed must be maitained above No 6 grade. 因此,必须严格控制其晶粒度,使之为6级以上。