The flow resistance of foam is affected by those parameters such as surfactant concentration, oil saturation, temperature, permeability, water and gas phase velocity, etc.
泡沫的流动阻力受泡沫剂浓度、温度、油饱和度、渗透率以及水相和气相达西流速的影响。
2
Wushishan iron ores can improve the sintering bed permeability and increase vertical sintering velocity, and decrease production cost of sinter.
乌石山矿可以改善烧结过层的透气性，提高垂直烧结速度并降低烧结矿的生产成本。
3
Rock pore structure is one of the important parameters in controlling both seismic wave velocity and permeability in sandstones and carbonate rocks.