Porous medium;non-aqueous phase liquid (NAPL);two phase flow;characteristic curves;hysteresis;non-wetting phase residuals;Unit-pore-throat Ensemble Model;displacement mechanism;inverse problem

• 关键词:孔隙介质;非水相性液体;二相流;特徵曲线;磁滞现象;非湿润相残馀量;单元孔颈系集模型;置换机制;逆向问题