Permeable layer

Analysis shows that the key role of ASP flooding is dominant on improving sweep efficiency , especially for that of high permeable layer , and can increase sweep efficiency of low and medium permeable layer .

分析认为，三元复合驱的主要作用在于提高驱油效率，而且主要是提高高渗透层的驱油效率，同时能够提高中低渗透层的波及系数。

In early stage of injection of alkalescent ASP system , scaling in high permeable layer of injection well can improve fluid entry profile , but it will affect fluid entry profile with injection time increased .

在弱碱三元复合体系注入初期，在注入井高渗透层内引起的结垢会改善吸液剖面，但随注入时间延长，结垢会对吸液剖面产生不利影响。

Application of Radial Well for Groundwater exploitation of Aquifer with Good permeable layer and Weak Regulation

辐射井在强透水弱调节含水层地下水开采中的应用

High Penetration Emulsified Asphalt Applied in Permeable Layer of Southern Beijing-Zhuhai Expressway

高渗透力乳化沥青在京珠南高速透层施工中的应用

The slope was dealt as porous media , namely , the permeable layer under the water surface was filled with particles . The spatial average flow was solved .

将可渗透斜坡按多孔介质处理，即将自由液面以下的可渗透层离散成流体粒子，求解的是空间平均流动。

Result In the early period of steam soaking , the high permeable layer is better produced , middle and low permeable layer is poorly produced or unproduced ;

结果蒸汽吞吐初期高渗透层动用程度好，中低渗透层动用程度差或未动用；

The treated oily sewage can not be used to make the solution of polymer because of having the higher content of oil 、 suspended solid and salinity , and to inject into the middle and high permeable layer only .

处理后的污水由于油含量、悬浮物含量、矿化度较高，不能用于配制聚合物溶液，只能回注水驱的中、高渗透层。

Under two conditions including the permeable layer blockage condition and non-block condition at front edge in wet season , the temporal and spatial variation laws of pore water pressure and effect on the slop stability factor caused by the variation with different rainfall duration are analyzed .

分析了在丰水期前缘有无堵塞的两种情况下，随降雨时间持续期的变化，滑面附近孔压的时空变化规律，以及其对边坡稳定系数的影响。

The actual seepage quantity of the dam foundation was unconventional , there were the questions of piping of the highly permeable layer and contact erosion , especially , the reservoir level was under 193.84 m , sand boil in ascending spring behind dam appears .

坝基实际渗漏量异常，存在管涌和接触冲刷问题，尤其库水位低至193.84m，坝后上升泉仍有沙沸现象。

Study on the Mechanical Characteristic of the Rubber Asphalt Permeable Stress-absorbing Layer and the Combination Optimization of Pavement Structure

橡胶沥青透水应力吸收层力学特性与路面结构组合优化研究

The reasearch indicates that the diffused topaz is coloured mainly by the permeance of Co 2 + , and the crisscross pile silice texture associated with crystal defects is developed commonly in the permeable colour layer .

研究表明，这种扩散处理黄玉由Co2+离子渗透致色，且渗色层内普遍发育由晶格缺陷致交错叠片状结构。

Therefore , through the analysis of the theory of permeable pavement based on permeable base layer , the design model of road infiltration was established . The parameter of the model was calibrated by the test data , and the method to calculate road infiltration was then determined .

为此，本文经过对透水面层下设透水层的渗流理论的分析，建立了该种条件下的渗入率设计模型，并根据测试数据标定了模型参数，确定了不同养护等级的渗入率计算方法。