Experiments show that the accurate equation can express the relationship of porosity and bulk modulus of porous medium well.
试验结果表明，精确公式能够很好地表达多孔介质孔隙率与体积模量之间的关系。
An energy equation that incorporates a heat transfer model of porous medium is developed based on the first thermodynamic law.
以热力学第一定律为基础，引入多孔介质换热模型，建立了多孔介质发动机的能量方程。
The partial differential equation of flow in porous medium has been studied with variational finite element method.
用变分有限元方法对描述地下流体渗流的偏微分方程进行了分析。
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