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- air void specific surface 气泡比表积
- 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 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。
- Clogging up of the cooling air slits in the turbine blades is primarily caused by ultrafine particles with a high specific surface area. 涡轮叶片之间冷却空气缝隙的堵塞主要是因为存在高比表面积的超细粒子。
- The features of the filter included large specific surface area,free of clogging,low resistance,high filtration speed and low consumption of backwashing water and air. 该滤池具有滤料比表面积大,不易堵塞,滤层阻力小,滤速高,反冲洗耗水、耗气小等优点。
- 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。
- 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 BET specific surface area reaches 477.7 m2? g-1 for NiO calcined at 523 K. 结果表明;在523K下焙烧得到的氧化镍BET比表面达到477.;7m~2·g~(-1)
- 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。
- At the same time,the specific surface area and the mesopore and m... 进一步延长超声时间,其比表面积和孔容反而下降。
- 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。
- Emittance and irradiance are meaningful measurements of flux at a specific surface. 发射强度和辐照强度只有对一定表面上通量的量度才是有意义的。
- 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 coarse grain size and small specific surface area of Chengchao iron ore concentrate influence negatively the output and quality of pellet. 由于程潮铁矿铁精矿的粒度较粗,比表面积较小等原因,严重影响了球团矿的产量和质量。
- 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]
- Floc properties may be described by properties as floc strength, specific surface area, surface potential and surface energy. 絮凝物可以通过絮凝物强度,具体表面,表面潜力和表面能量来描述。
- The results show that BET specific surface area of AC is 1 654 m2/g, with reasonable pore size distribution (PSD). 结果表明:活性炭的BET比表面积达1 654 m2/g,具有合理的孔径分布,主要在2 nm附近。
- The specific surface area of the ceramisite with the best formula was 6.26 m2/g,and the porosity was 79.53%. 最佳配方下所得陶粒的比表面积为6.;26 m2/g;孔隙率为79
- The maximum BET specific surface areas of silica aerogel obtained by optimizing preparation technology is 430m~2/g. 比表面积测定仪测试表明,优化制备工艺后的气凝胶产品的BET比表面积最大为430m~2/g。