Air hole rate 气孔率
gas hole rate 气孔率
Open Hole Rate 气孔率
half-hole rate 半孔率
exposure hole rate constant 照射量率常数
hole diameter enlargement rate 井径扩大率
bottom-hole coverage rate 井底遮盖系数
Then holerate of porous concrete is measured in situation of different water-cement ratio toresearch penetrative ability affected by hole ratio. The three target hole rate is designed when strength is met.
在满足强度要求的配合比的基础上,设计三个目标孔隙率,研究透水混凝土孔隙率、水灰比、强度和透水性能之间的关系。
参考来源 - 透水性道路用生态混凝土性能的试验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Under the experimental condition, the suitable hole rate of filters is 5%. S-P-D artificial supply mode has obvious superiority that overcomes…
S-P-D人工补给模式克服了井补给模式的缺陷,具有明显的优越性,是对深层地下水人工补给的适宜模式。
Survival of the transplanted peanut was very easy. The high survival rate and the low hole rate of the transplanted peanut were the most important reasons for increase yield.
花生移栽十分容易成活,移栽花生的成苗率高和空穴率低是增加单位面积产量的最重要原因。
The plastics-steel combination flame-retardant barn ventilator has the advantages that: first, the plastic container has a plurality of forming changes, high hole rate and good ventilation;
本实用新型具有以 下优点:一是塑料的器体成型变化多,开孔率高,通气性好;
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