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- air void content 空隙率
- air voids content 空隙率
- The effect of the ply scheme on void content and mechanical properties of PP/GMT sheets has been studied in detail. 针对PP/GMT材料,研究了铺层结构对片材孔隙含量和力学性能的影响。
- The void content,elongation,and bending properties of the composite material were examined. 对复合材料的空隙率、拉伸、弯曲性能进行了实验和分析。
- Tests show that clay in fine aggregate affected the water stability of asphalt mixture markedly; the permeable critical air void is 7.5? 试验表明;集料泥土污染对沥青混合料水稳性影响显著;沥青混合料的渗水临界空隙率为7.;5%25。
- But the Spriner's models and the code can not calculate the resin content and the void content, and can not select the curing process parament overall. 但该模型无法计 算复合材料的树脂含量、孔隙含量、也无法全面的选择固化工艺参数 。
- Pavement Quality Indicator (PQI),a nondestructive monitor device,is introduced which canobtain a great deal of air void data of asphalt pavement fast. 沥青路面质量指示仪(PQI)是一种无损检测设备,可以快速、大量地获得路面空隙率数据。
- The result shows that the void content decreases while the crystallinity and the tensile strength increases with the increase of the holding time. 研究结果表明,随着保温时间的增加,复合材料的空隙率降低,结晶度和强力增加;
- Effects of high-frequency vibration on air void parameters of air-entrained concrete with four different types of air entraining agents (AEA) were studied. 摘要研究了高频振捣对不同品种引气混凝土气泡参数的影响。
- The attenuation coefficient shows approximately linear behaviour with frequency over the frequency range used,and the attenuation slope increases with the void content. 结果表明:超声衰减系数与频率之间存在线性关系,而且其斜率随孔隙率的增大而增大。
- In addition,air void parameters for BNS concrete and PCE concrete and combinations of PCE with AVCs were tested to verify which one takes advantages to resi... 另外,对混凝土分别单掺萘系减水剂(BNS)和聚羧酸系减水剂(PCE),以及混掺AVC与PCE后的孔隙系统质量的优劣情况,本文也作了比较。
- The basic principle is the VCA formed by the coarse aggregate is filled with the fine aggregate,the filling,the asphalt and the preconcerted void content. 其基本原理为：矿料级配中粗集料形成的孔隙率由细集料、填料、沥青和预定孔隙率填充。
- In this regard,several air entraining agents(AEAs) and air void controllers(AVCs) were investigated with respect to their effects to improve air void parameters in the paper. 为此,本文研究了几种引气剂(A EA)和孔隙质量控制剂(A VC)在改善硬化混凝土气泡参数时所起的作用。
- The basic principle is the VCA formed by the coarse aggregate is filled with the fine aggregate, the filling, the asphalt and the preconcerted void content. 其基本原理为：矿料级配中粗集料形成的孔隙率由细集料、填料、沥青和预定孔隙率填充。
- The composites cooled inside the hot-press machine has lower void content and higher crystallinity and tensile strength than that in the nature-cooling condit... 在压机内冷却的方式比自然冷却方式制成的复合材料空隙率低、结晶度高、拉伸强力大。
- Abstract: On the basis of ultrasonic attenuation model, a portable detector used in void content of carbon-fiber reinforced plastics in aeronautic field is developed. 摘 要: 摘要针对航空领域专用的碳纤维复合材料板材，以超声波的声衰减模型为基础，研制了用于孔隙率检测的便携式超声仪器。
- The electrospun fiber textile is characterized by high void content and great specific surface area,and the diameters of fibers are in nanometer scopes. 电纺纤维织物的空隙率高、比表面积大、构架织物的直径处于纳米级别。
- The increase of cellulous fiber in the hybrid fiber can result in the increase of optimum asphalt content, the reduction of density, air voids and Marshall stability. 同时随着混杂纤维体系中木质素纤维比例的增加，沥青混合料的最佳沥青用量增加，密度下降，空隙率和马歇尔稳定度呈减小趋势。
- In addition,air void parameters for BNS concrete and PCE concrete and combinations of PCE with AVCs were tested to verify which one takes advantages to resist to cyclic freezing and thawing. 另外,对混凝土分别单掺萘系减水剂(BNS)和聚羧酸系减水剂(PCE),以及混掺AV C与PCE后的孔隙系统质量的优劣情况,本文也作了比较。
- The results indicate that the three important elements which influence traffic noise reduction of asphalt rubber pavement are AC content, aggregate grades and ratio of air voids. 研究结果表明，影响橡胶粉沥青混凝土路面降噪性能的主要因素有3个：橡胶粉的掺入量、骨料配合比和空隙率。
