The influence of flotation reagent and pulp concentration on air voids was discussed.

探讨了浮选过程中浮选药剂浓度、矿浆浓度变化对含气率的影响。

It is concluded from the study that the absorption coefficient depends upon the air voids of asphalt mixture.

发现空隙率尤其是有效空隙率是影响沥青混合料吸声系数的关键因素；

Test showed: taking pitch as medium, zero volume of air voids could be attained, it was theoretically well-conceived and practically applicable;

试验表明：以沥青为介质，得到了沥青混合料的零空隙状态。

From this analysis, it appears that the interaction of asphalt content and fine gradation has the most significant effect on the percentage of air voids.

从这分析，看起来，沥青内容和美好的渐进性的互作用有最重大的作用在空气空隙的百分比。

This paper analyzes the influence of mineral aggregate gradation in asphalt mixture on volume of air voids (vv) by utilizing grey connection analysis theory.

利用灰色关联分析原理，分析了沥青混合料矿料级配对空隙率的影响。

Sand patch testing, non-destruction density detection and air voids of cores experiment indicate that surfacing course of asphalt pavement has serious segregation.

构造深度试验、无损密度检测试验及芯样空隙率试验表明，沥青上面层离析严重；

This sys-tem verifies the physical meaning as a standard reliable measurement by analyze the images' features with the air voids rations of the asphalt mixture core specimens.

通过图像特征与空隙率的对比，验证了系统所测指标的物理意义，证明系统可以作为一种可靠地测试手段发挥作用。