The level of permeability of each cigarette paper was also examined using a PPM1000M paper porosity device (Cerulean, Milton-Keynes, UK) using the vacuum method.
采用利用真空方法的PPM 1000 M纸孔设备(英国Cerulean米尔顿-凯恩斯)检测每张烟纸的渗透程度。
The test results show that the porosity of sandstone decrease with the increasing effective stress at the fixed temperature level, following the law of negative exponent.
试验结果表明，在温度水平一定的条件下，砂岩的孔隙度随有效应力的增加而呈负指数规律减小；
The porosity test for sandstone was conducted at various temperature level and various effective stress level.
在不同温度水平和不同有效应力水平下，进行了砂岩的孔隙度试验。
It can reduce the porosity and mean particle size of pelletizing, increase the compact level of pelletizing, improve the intension of dry bulb.
能降低球团的气孔率和平均粒度，增加球团的致密程度，提高干球的强度。
Owing to the bonds and high porosity in such soils, its characteries of compressibility, the change of pore-pressure and shear stress-strain relationship all depend on stress level.
这类土，由于固化联结键和高孔隙度，其压密特性，孔隙压力的变化和剪切应力—应变关系均与应力水平有密切关系。
Therefore, the porosity ratio is controlled in the smaller level, which is favorable to control the water damage of the urban road asphalt pavement in China.
因此，将空隙率控制在较小水平，有利于控制我国城市道路沥青路面的水损坏。
These results indicate that the higher moisture level (85%), probably increased substrate availability to the fungus but reduced the porosity of the medium and hence the heat and mass transfer.
这些结果表明，高含水量(85%)，可能增加小型基底真菌却减少了的孔隙介质和因此的传热传质。
These results indicate that the higher moisture level (85%), probably increased substrate availability to the fungus but reduced the porosity of the medium and hence the heat and mass transfer.
这些结果表明，高含水量(85%)，可能增加小型基底真菌却减少了的孔隙介质和因此的传热传质。
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