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 。
From three aspects: mixing,pouring and curing construction technology of lean concrete porous base course is introduced.
从拌合工艺、成型工艺和养生工艺三个方面对多孔贫混凝土透水基层的施工工艺进行了阐述,并对多孔贫混凝土排水基层施工中的现场质量控制技术进行了探讨,最终得出利用振动成型工艺采用摊铺机成平地机进行摊铺,接静碾和振动碾压组合的方式进行压实的结论。
Now, more and more researchers are paying attention to lean concrete porous base course for its excellent function of draining, high modulus of elasticity and durability, and its economization, etc.
贫混凝土透水基层因具有优越的排水性能、较高的弹性模量及经济耐用等诸多优点,越来越多地引起了人们的重视。
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