当有效孔隙率一定时，反射系数则随渗透系数的增大而减小。
If the effective porosity is given, the reflection coefficient of a solitary wave decreases also as the permeability coefficient increases.
当渗透系数一定时，孤立波的反射系数随有效孔隙率的增大而减小；
The reflection coefficient of a solitary wave decreases as the effective porosity increases for a given permeability coefficient.
首先，根据混凝土的试验结果给出了水泥石有效孔隙率与总孔隙率关系的经验公式。
First, an empirical relationship formula between the effective porosity and total porosity of cement paste is given based on the experimental results of concrete.
煤中发育植物细胞残留孔隙、基质孔隙和次生孔隙，植物细胞残留孔隙主要为复杂孔隙树结构，有效孔隙率高。
There are phyteral cell remaining pore , matrix pore and new -forming pore in coal. The pores of remaining phyteral cell mainly are complicated dentritic structure, and the effective porosity is high.
研究了18种具有不同孔结构参数的铜基甲醇合成粒状催化剂孔隙率对有效扩散系数的影响。
The influence of porosity on the effective diffusion coefficients was studied for 18 of Cubased catalysts, which have the different pore structure parameters.
结果表明，通过采取合理的制备方法和工艺参数，可以有效地使所制备材料的孔隙率降低到1%，提高材料的复合质量。
The results show that the porosity can be significantly reduced up to 1% with correct stirring method and processing technology, and so the quality of the composites can be much improved.
研究了18种具有不同孔结构参数的粒状铜基甲醇合成催化剂孔隙率对有效扩散系数的影响。
The influence of porosity of 18 kinds of Cu - based catalysts of methanol synthesis on the effective diffusion coefficients is studied. The catalysts have the different parameters of pore structure.
当砂浆含有石灰石粉时，由于石灰石粉具有填充效应，能有效地改善砂浆的孔结构，降低其孔隙率。
When the sand grout contains limestone powder, the limestone powder can improve the pore structure and decrease the porosity of the sand grout because of its filling effect.
该填料因具有较大孔隙率和比表面积且结构呈针状，对大气泡可有效切割，氧传递系数较大。
The oxygen transfer coefficient is bigger relatively because of its big void rate and specific surface area.
得出了一种固定孔隙的制样方法，用此制样方法可观察到滤毡截面的真实形貌，从而有效地分析滤毡中粗细纤维的配比和各层的孔隙率。
The method of sample preparation by pore fixing was described. The results showed that it was a good method for studying irregular porous structure and the related ratio of felt.
伏安电荷、电化学孔隙率和分形维数的变化规律有效地反映了电极的电催化氧化活性和稳定性的变化。
Regularities of voltammetric charge, electrochemical porosity and fractal dimension of the electrodes reflected variations of electro-catalytic oxidation activity and stability effectively.
基于均匀化方法给出低孔隙率脆性岩石在热—力耦合荷载作用条件下的各向异性损伤模型和有效热传导特性模型。
An anisotropic damage model and an effective thermal conductivity model were presented based on homogenization techniques for low-porosity brittle rocks subjected to mechanical and thermal loadings.
基于均匀化方法给出低孔隙率脆性岩石在热—力耦合荷载作用条件下的各向异性损伤模型和有效热传导特性模型。
An anisotropic damage model and an effective thermal conductivity model were presented based on homogenization techniques for low-porosity brittle rocks subjected to mechanical and thermal loadings.
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