应用环境-管路流体介质，温度和最大工作压差。
Service conditions-line media, temperature, and maximum operating differential pressure.
气体通过挡风抑尘墙的流动是典型的多孔介质-纯流体耦合流动，多孔介质模型能够良好的反映其工作特性。
The wind pass the wind-proof and suppressing wall is a typical porous media-fluid coupled flow, the porous medium model can show its working characters well.
根据电磁场和磁流体力学理论，设计制造了以永磁体为工作介质，对金属液具有磁力驱动控制作用的双磁力驱动流体流动控制器。
Base on the theory of electromagnetic field and magneto hydrodynamic, an apparatus of double-driving by magnetic force media with permanent magnet has been designed and manufactured.
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