Consolidation computation of aquitard considering non-Darcy flow;
考虑非达西流的弱透水层固结计算
Study on deformation mechanics of aquitard;
弱透水层变形机理的研究
On the base of the analysis of the hydrogeological data, the permeability law of the aquitard linking the upper and lower water_bearing beds in the water_bearing system has been achieved by an experimental research.
在分析水文地质条件的基础上 ,利用实验研究获得含水系统中连接上下含水层的弱透水层的渗透规律 ,然后运用数值模拟技术建立起此类含水系统中石油类污染质运移数值模拟模型 。
The application of tube well dewatering in treatment of weak permeable stratum in deep excavation work;
管井降水在深基坑弱透水地层中的应用
In this paper,the sink problem of the finite close water bearing strata system with weak leaky seam was discussed.
对有限封闭具弱渗透层的含水层系渗流问题，在普遍情形下求得了解的渐近式。
Construction of the filtration bed in deep ground;
深基坑降水遇弱滤水层的施工方法
Since the short of water resources is aggravated increasingly worldwide,it will become an important approach to exploit groundwater in weak aquifer in some special regions,which was ignored in the past.
随着水资源短缺问题的突出和弱含水层采水技术的研发,过去被忽视的弱含水层在缺水地区将成为重要的人畜饮用水水源。
The dewatering calculation in weak aquifer differs from that in rich aquifer,with a far weaker permeability and,while other conditions being the same,with considerably smaller influence radius.
弱含水层的降水设计计算与富水层不同,弱含水层渗透系数远小于富水层,在其他条件相同的情况下,其影响半径也远小于富水层,故在弱含水层降水过程中出现井内动水位与基坑底面静水位相差较大的现象。
An aquitard stores water and transmits enough water to be regionally significant but not enough to supply individual wells.
弱透水层存水且区域性地传导大量水，但不能充分供给每个井。
Transportation Mechanism of Nitrogen and Heavy Metals from Leachate in an Aquitard;
垃圾渗滤液中氮素和重金属在弱透水层迁移机理研究
Lower Water Level by Strata for Large Deep Foundations with Weak Permeable Clay Soil;
弱透水粘性土的大面积深基坑分层降水
Discussion of new sealing method of deep water-permeable stratum under super soft ground in vacuum pre-loading
真空预压超软弱土下卧透水层新密封方法探讨
impermeable barrier
不可渗透层;不渗水层;不渗透遮挡层;不透层;不透水隔层
The external layer of the skin is relatively impermeable to water.
皮肤的外层不透水。
An aquiclude stores water but does not transmit significant amounts.
一个不透水层只存水但不能大量导水。
Application of iterative method forevaluation of permeability coefficient of phreatic aquifer;
运用迭代法推求潜水含水层渗透系数
Stratification in polar waters normally is weak and transient.
极地水域的成层性是微弱而暂时的。
Study on Measuring Weak Spectral Radiant Energy of Oceanic Upper Layer;
海水近表层弱光辐射的光谱测量研究
Soil-water Characteristics and Unsaturated Permeability Coefficient Related to Weak Expansive Soils of a Certain Highway
某公路弱膨胀土土水特征与非饱和渗透特性
Support for weak surrounding rock under high geo-stress and high seepage pressure condition
高地应力与强渗透水压下软弱围岩支护
Study on Water Level Subsidence Due to Interferential Well Group Dewatering in Weak Aquifer
弱含水层干扰井群人工井点降水水位降深研究
Water pressure outside pressure tunnel under water-tight layer and effective stress of seepage
不透水层压力隧洞外渗透压力和渗流有效应力
Non-Precipitation Construction Technique Study on Subway Multi-Archy Tunnelling by Excavation in Watery Strata;
地铁富水软弱地层连拱隧道的非降水施工技术
Large-diameter Slurry Shield Boring Technology in Water-rich Soft Ground with Shallow Cover
富水软弱地层浅埋大直径泥水盾构施工技术
The douBle-layer cup for cooling drink is Bright and translucent in appearance.
双层夹水冷饮杯，外观色泽透明。
percolised hose
衬里渗透水带衬里和覆盖层