硅藻土具有无数的小孔和复孔，其孔隙率为80-90%，这就为截留固体颗粒提供了较大的空间。
With countless holes diatomite and complex hole, its pore rate for 80-90%, this is the intercept solid particles provide larger space.
结果表明：微孔阴极中的颗粒连通性好、颗粒尺寸小以及孔隙率高都有利于电脱氧的进行。
The results show that small particle size, good connectivity among particles and high porosity of the cathode enhance the rate of electro-deoxidation.
多孔铝合金的孔隙率梯度主要是由渗流驱动压力梯度与凝固顺序所决定，而颗粒的自然堆积密度影响相对较小。
The porosity gradient of porous aluminium is mostly affected not only by the spontaneous stacking density of granules, but also by the infiltration pressure gradient and solidification sequence.
由于黄河水的长距离搬运作用，颗粒磨圆度高、表面强度低；孔隙率高，毛细作用剧烈。
It has high psephicity, low surface strengths, high porosity and intensive capillarity because of the long transport function of the water.
实验表明，PE颗粒的粒径分布窄、形貌规整、孔隙率高。
The experiments showed that the PE granules were featured of narrow size distribution, regular shape and high porosity.
结果表明：经过喷雾干燥处理过的偏钨酸铵粉末颗粒呈球壳状，粉末体孔隙率高达71。
The results show that the AMT powder with a special spherical shell structure exhibiting a high porosity of 71.
对有限颗粒法(FCM)进行了推广，将FCM用于模拟二维变孔隙率下多孔介质中污染物运移情况，并给出相应的数值算例。
An extension of Finite Cell Method (FCM) is presented, which was used to simulate mass transport process in porous media with unhomogeneous porosity. We also gave two numerical examples here.
土壤颗粒组成、容重、有机质、孔隙率影响土壤持水性能。
Then, the bulk density, porosity, the type of pore, particle constitute and organic carbon in the soil affected the soil moisture diffusivity.
合适颗粒直径的选择与孔隙率、压降和强度的要求有关。
The particle diameter selection then depends on the porosity, pressure drops, and plate strength.
利用自行研制的填料粒子，采用独特的渗流法制备了多孔金属铝，提出了填料颗粒为球形时多孔金属孔隙率的计算模型，实验证明用此模型预测多孔金属的孔隙率是可行的。
The structure and its control of the porous aluminum prepared by a special pressure infiltration process was studied , for which a model for calculating the porosity of porous metals was developed.
用氮气吸附法和压汞法测量膨胀石墨（EG）的孔结构，用SEM观察EG颗粒间的孔隙结构和EG的孔隙率。
The pore structure of EG was measured by nitrogen adsorption and mercury porosimeter methods. The space around EG particle was observed by SEM and the porosity of EG was measured by pycnometer method.
实验结果表明：直接电脱氧法制备金属镝工艺是可行的，微孔阴极中的颗粒连通性好、颗粒尺寸小、孔隙率高均有利于电脱氧进行。
The results showed that small particle size, good connectivity among particles and high porosity of the cathode could enhance the rate of electro-deoxidation.
结果表明，封孔涂层表面的孔隙基本被封住，封孔剂及其纳米颗粒可渗入涂层的孔隙中起到填充作用，从而降低涂层的孔隙率。
The results show that the pores of the coating surface are basically sealed, sealing agents and nano-particles can penetrate into the pores of the coating, thereby reduce the porosity of the coating.
结果表明，封孔涂层表面的孔隙基本被封住，封孔剂及其纳米颗粒可渗入涂层的孔隙中起到填充作用，从而降低涂层的孔隙率。
The results show that the pores of the coating surface are basically sealed, sealing agents and nano-particles can penetrate into the pores of the coating, thereby reduce the porosity of the coating.
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