| 1. | Effective diameter of voids
有效孔隙粒径 |
| 2. | Effective drainage porosity
有效孔隙度 |
| 3. | Available pore space
有效孔隙空间 |
| 4. | Standard test method for effective porosity and effective air voids of compacted bituminous paving mixture samples
压实沥青铺路混合料样品的有效孔隙率和有效气隙的标准试验方法 |
| 5. | Dissolition is favorable for secondary porosity , thus forming available reservoirs in some sections of low porous and low permeable clastic rocks
从而使某些砂岩段在低孔低渗储层中形成较发育的次生溶蚀孔隙和成岩微裂缝，并成为有效孔隙。 |
| 6. | Approximate solutions show that the ground water level rises in proportion with rainfall intensity , time and inverse number of the effective porosity of the soil
近似解说明了水位的上升与降雨强度和时间成正比，与土壤的有效孔隙率成反比。 |
| 7. | It is found , in one - dimensional subsurface flows , that porosity and storativity play an important role in the propagation of the head potential fluctuation
由研究发现，一维地下水层中，受扰动地下水水头的传递快慢受饱和土壤储水系数及有效孔隙率的影响。 |
| 8. | Then the kozeny - carmon equation was developed . the new developed fractal model adjusts the measure of the effective pore radius and of the grain radius to the resolution length appropriate for the hydraulic process . the fractal model was applied in the daqing oil field
在此基础上，利用分形基本理论把kozeny - carman方程改进发展，把颗粒半径和有效孔隙半径调整到适于动力传导过程的分辨率尺度，从而建立渗透率的分形模型。 |
| 9. | In the microcosmic field : ( 1 ) from the disciplinary of hole in loess diversification , that the disciplinary of effective hole in loess diversification is the microcosmic incarnating of the disciplinary of collapsible speed diversification was pointed ; ( 2 ) the function between distributing density of effective hole and time was established by dla
在微观角度上： （ 1 ）从孔隙率变化规律出发，指出有效孔隙的变化规律是湿陷速率变化规律的微观表现； （ 2 ）利用有限制的扩散凝聚（ dla ）模型,得出了有效孔隙分布密度与时间的函数关系式。 |
| 10. | Suggest the method of division to measure the largest compacted dry density of dam ' s material with super large diameter approximately . according to the research of predecessor , suggest applying the effective void ratio or the effective void rate to compute the coefficient of permeability approximately
采用了表面振动法进行室内最大干密度的研究，提出了比例法近似测定超径粗粒土最大干密度；在前人研究的基础上，提出采用有效孔隙率或有效孔隙比的渗透系数近似估算。 |
