空隙体积

Q反映新拌混凝土中砂浆的体积与粗骨料紧密堆积时产生的空隙体积的比值；

One is Q , the ratio of voids content of coarse aggregates to the volume of mortar .

提出了根据主骨料空隙体积设计沥青混合料级配的新方法&主骨料空隙体积填充法。

This paper presents a new coarse aggregate voids-filling ( CAVF ) method for asphalt mixture design , based on the voids in coarse aggregates ( VCA ) .

分析了沥青混合料配合比设计与优化，从国外对压实度要求、增加空隙体积率等方面，探讨了沥青混凝土面层压实标准的采用，从而提高沥青路面使用性能，改善路面质量。

It analyzes the proportion design and optimization of asphalt mixture , researches the adoption of standard of compactness on asphalt concrete surface from the requirement of compactness abroad and increasing void space to improve the quality of asphalt road .

土壤孔隙度表明土壤中空隙的体积，与含水量一起共同决定土壤中空气的含量，进而影响土壤中各种变化的进程和作物的生长。

Soil porosity represents the void spaces of soil , together with moisture content , determines the air content of soil , then influences the soil processes and plant growth .

这些关键特征包括细胞体积、细胞形状、染色质分布、核内空隙以及核浆体积比值。

These features include cell volume , cell shape , chromatin distribution , intranuclear voids , and the ratio of nuclear to cytoplasmic volume .

骨折前椎体内无明显空隙；骨折并撑开复位后椎体内空隙体积平均为5.25cm3，占椎体总体积的13.9%；

1 ) There was no evident intracorporeal gap before fracture , which appeared after reduction with average volume of 5.25 cm3 ( 13.9 % of total corporal volume ), and it decreased to normal level after vertebroplasty .