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- air void spacing factor 气泡间距系数
- It is found that, when 0.006% dosage of polycarboxylate based AEA is used, the air content and spacing factor of concrete can meet the needs of HPC engineering. 研究表明：聚羧酸类引气剂在掺量为0.;006%25时，混凝土含气量和气泡间距系数便可满足高性能混凝土工程使用要求；
- Increase in the space factor of chutes for the cable laying. 增加在空间的因素，槽为电缆敷设。
- Small pieces of durable cargo can be used as filler cargo to fill in the interstice and void space. 小件耐久货物可用作填隙货物来填充小缝和空位。
- 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。
- Porosity is defined as the ratio of the void space in a rock to the bulk volume of that rock multiplied by 100 to express in percent. 孔隙度定义为岩石内的孔隙体积占岩石总体积的百分率。
- 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。
- Porosity is defined as the ratio of the void space in a rock to the bulk volume of that rock multiplied by 100 to express in per cent. 孔隙度定义为岩石内的孔隙体积占岩石总体积的百分率。
- Increasing the Nafion content in the catalyst layer improves proton migration, however, it reduces void space, thus worsening gaseous oxygen transport. 增加了全氟磺酸含量的催化剂层提高质子移民，但是，它减少了无效空间，从而恶化气态氧运输。
- 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。
- 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。
- 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。
- We may assume that there is no correlation between the local velocity of a liquid particle at a mathematical point inside the void space and the concentration gradient. 我们可以假定，在空隙空间的一个数学点上液体质点的局部速度和浓度梯度之间无相关性。
- 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。
- Total porosity is the ratio of the total void space in the rock to the bulk volume of the rock; effective porosity is the ratio of the interconnected void space in the rock to the bulk volume of the rock, each expressed in percent. 总孔隙度是岩石中孔隙的总体积与岩石总体积的比值。有效孔隙度是互相连接的孔隙印体积与岩石总体积的比值。两者都以百分率表示。
- The calculation results are compared with the surface parameter from the current erosion-dilation techniques, and verified by the traditional air void ratio of uncompacted coarse aggregates. 将其计算结果与目前侵蚀膨胀法的表面参数指标进行了对比分析，并采用粗集料松装空隙率对粗糙度与分形维数2个图像指标进行了验证。
- Compared to common active carbon, the products are characteristic of developed void space structures, quick absorption rates, low content of impurities, high wear resistance strength and circulating operation, etc. 相比普通活性炭具有孔隙结构发达、吸附速率快、杂质含量低、耐磨强度高、可循环使用等特点。
- Masad E，ASCE AM， Jandhyala VK， Dasgupta N，etc. Characterization of Air Void Distribution in Asphalt Mixes Using X-ray Computed Tomography [J].JOURNAL OF MATERIALS IN CIVIL ENGINEERING MARCH/APRIL2002. 郝培文.;沥青混合料配合比设计方法研究(博士学位论文)[D]
- At a low flow rate, fluid merely percolates through the void spaces between stationary particles. 当流速低的时候，流体只是穿过静止的颗粒之间的空隙。
- Compared to common active carbon, the products are characteristic of developed void space structures, quick absorption rates, low content of impurities, high wear resistance strength, circulating operation, and stronger contamination ability, etc. 相比普通活性炭具有孔隙结构发达、吸附速率快、杂质含量低、耐磨强度高、可循环使用、去污能力更强等特点。
