Porosity, a key index of porous materials, is the most primary factor for many properties of porous materials.
孔率是多孔材料的关键指标，是多孔材料若干性能最主要的决定性因素。
2
The results show that the porosityof plant fiber is the main intensity factor, and followed is the perforation of the configuration forms, and size of perforation is independent.
试验结果表明：植物纤维穿孔板静曲强度的主要影响因子是孔隙率，其次是穿孔的排列方式，与孔径大小无关。
3
It is a key factor in the response of a neutron porosity log.