Pore gradient ceramics with a series of pore sizes is the high efficient filtration material.
以系列孔径分布的孔梯度陶瓷作为一种高效过滤材料。
Second, the state of inter-aggregate pore water of cohesive soil is determined by(balanced) condition between damping of bound water membrane and permeability pressure of hydraulic gradient.
粘性土团粒间孔隙水的连通状态决定于团粒接触点附近渗透结合水膜的粘滞力和外界水力梯度的渗透力之间平衡状况；
The drainage phenomenon leads to formation of free-bubble layer and the rheology of bubbles leads to formation of gradient pore structure.
排液的最终结果是在泡沫铝底部形成无泡层，气泡的流变引起泡沫铝梯度孔结构的变化；
Polyurethane organic precursors with different pore siize were dipped in slip, then super posited them together and the gradient porous ceramics were made by drying and firing.
将不同孔径的聚氨酯泡沫前驱体分别浸渍泥浆，再以一定的方法将其叠放在一起经过干燥、烧成等工艺可以制得具有一定强度的孔梯度多孔陶瓷。
The heat pipe with multilayer sectional silk screen structure has gradient pore change, greater capillary tension, lower reflow resistance and raised heat pipe performance.
本发明通过制成多层多段式丝网结构，从而形成立体梯度孔隙变化，同时达到较高毛细力及较低回流阻力，进而提升热管性能。
A fractal dimension study showed that the variation in pore size in the gradient scaffold was smooth without any obvious interface.
对材料进行分形研究，表明梯度多孔支架内部无明显界面，孔径过渡平缓。
The more smaller pore size, the more stronger internal Magnetic field gradient. The nmr porosity is significantly lower.
岩石孔径越小，岩石孔隙内部磁场梯度越强，核磁共振测井计算的孔隙度明显偏低；
Fractal dimension study showed that the transition of pore size in the gradient scaffold was smooth without obvious interface.
对材料进行分形研究，表明梯度多孔支架内部无明显界面，孔径过渡平缓。
Results show the particle size of gradient layers should be less than the mean flow pore size of substrate materials so as to obtain the optimum filtration performance.
结果表明，为获得复合材料的最佳过滤性能，梯度层的粉末粒度必须小于基体的中流量平均孔径。
The obtained empirical equation can be used for evaluating the air permeability coefficient of the metal fiber filter medium with gradient pore size.
所得到的经验方程可用来估算多层金属纤维滤毯的透气系数。
The obtained empirical equation can be used for evaluating the air permeability coefficient of the metal fiber filter medium with gradient pore size.
所得到的经验方程可用来估算多层金属纤维滤毯的透气系数。
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