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unsaturated media
相关语句
  非饱和介质
     2D FEM ANALYSIS FOR COUPLED THERMO-HYDRO-MECHANICAL PROCESSES IN UNSATURATED MEDIA CONSIDERING SWELLING PRESSURE
     考虑膨胀力的非饱和介质热-水-应力耦合二维有限元分析
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  “unsaturated media”译为未确定词的双语例句
     A general mathematical model for heat and moisture transfer with improvement in mass,momentum and energy equations and with several transfer mechanisms to simulate simultaneous transfer of heat and mass in unsaturated media is developed. The volume average method developed by Whitaker is adopted and the limitation of the application of Darcy'S law to unsaturated porous media is discussed.
     提出了非饱和多孔介质热湿传输的一般数学模型,此模型引入了在非饱和多孔介质中同时发生热质交换的多种传输机制,以使质量、动量和能量方程得到改进.引用由Whitaker建立的体积平均法,讨论达西定律应用于非饱和多孔介质的限制.
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  相似匹配句对
     Media
     媒体互动
短句来源
     Media
     媒介
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     Transport phenomena in unsaturated porous media
     突发高温下多孔介质的热质迁移模拟
短句来源
     A Study of Heat Migration in Unsaturated Porous Media
     含湿多孔介质内热量迁移的研究
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     The third is unsaturated alkene.
     第三为不饱和烯烃;
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  unsaturated media
Measurement and Prediction of the Oxygen Diffusion Coefficient in Unsaturated Media, with Applications to Soil Covers
      
It has been demonstrated for single-phase flow and transport in saturated and unsaturated media that the study of medium heterogeneity is amenable to stochastic analysis.
      
An Approximate Solution for Fluid Infiltration near a Circular Opening in Unsaturated Media
      
Unsaturated media with small gas fractions can be treatedusing Smeulders' extension of Biot's poroelastic theory.
      
The flow of liquids in unsaturated media is determined by the pressure, gravity and capillary forces acting on the liquid.
      
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A general mathematical model for heat and moisture transfer with improvement in mass,momentum and energy equations and with several transfer mechanisms to simulate simultaneous transfer of heat and mass in unsaturated media is developed.The volume average method developed by Whitaker is adopted and the limitation of the application of Darcy'S law to unsaturated porous media is discussed.

提出了非饱和多孔介质热湿传输的一般数学模型,此模型引入了在非饱和多孔介质中同时发生热质交换的多种传输机制,以使质量、动量和能量方程得到改进.引用由Whitaker建立的体积平均法,讨论达西定律应用于非饱和多孔介质的限制.

An approach to calculate land subsidence due to withdrawal of groundwater is presented. This approach is based on the theory of groundwater flow in saturated and unsaturated media. The proposed approach calculates the land subsidence in 3D condition. In the calculation the compressibility of ground was considered. The proposed method was employed to analyze the consolidation of soft clay layer and compared with the result by Terzaghi’s theoretical solution and odometer test. The results show that the difference...

An approach to calculate land subsidence due to withdrawal of groundwater is presented. This approach is based on the theory of groundwater flow in saturated and unsaturated media. The proposed approach calculates the land subsidence in 3D condition. In the calculation the compressibility of ground was considered. The proposed method was employed to analyze the consolidation of soft clay layer and compared with the result by Terzaghi’s theoretical solution and odometer test. The results show that the difference is less than 2 %. The proposed method was applied to analyse the subsidence around a well of an aquitard layer due to withdrawal of confined groundwater from an aquifer under the aquitard layer. The method was also applied to calculate the subsidence behind an impervious wall, which cut the aquifer with steady flow under an aquitard.

针对地下水抽取引起的大面积地面沉降的问题,提出了一种计算方法。该方法基于饱和与不饱和岩土介质中地下水渗流理论,计算出三维状态下的大面积地面沉降。提出的方法被结合到地下水渗流的三维有限元法分析中,计算时考虑了地层的可压缩性,并被用来分析软土的固结,将该法与太沙基理论及固结试验的结果进行比较,结果表明其误差小于2%。该法还被用来分析单井抽取承压地下水引起的周围地基的沉降及承压水层由于挡水板的阻断作用而引起的下游侧的地基的沉降。

The current used methods for evaluating the vulnerability of groundwater are presened.The shortcoming of the widely used DRASTIC method is pointed out.Based on the investigation of the hydrogeology conditions in plain area of China,a method namely DRUA based on the principle of hierarchy analysis is suggested.In this method the water table,net recharged water amount,kind of unsaturated media layer and kind of aquifer are selected as the parameters affecting the vulnerability of groundwater,and the GIS...

The current used methods for evaluating the vulnerability of groundwater are presened.The shortcoming of the widely used DRASTIC method is pointed out.Based on the investigation of the hydrogeology conditions in plain area of China,a method namely DRUA based on the principle of hierarchy analysis is suggested.In this method the water table,net recharged water amount,kind of unsaturated media layer and kind of aquifer are selected as the parameters affecting the vulnerability of groundwater,and the GIS technology is introduced to help implementation of evaluation.The application to evaluation the groundwater situation in Shijiazhuang district shows that this method can reasonably reflect the effect of various parameters in evaluation.

本文对当前地下水脆弱性评价的方法进行了评述。指出了目前应用最为广泛的DRASTIC法的局限之处,在充分考察中国平原盆地水文地质条件的前提下,提出了基于层次分析的DRUA评价方法。该方法是选取影响地下水脆弱性的地下水埋深等4个评价参数作为评价因子,应用层次分析法确定各因子的权重,结合GIS空间分析功能对地下水本质脆弱性进行评价。

 
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