针对壁流式过滤体捕集微细颗粒物的过程，建立了描述通道内流场和颗粒层分布的一维非稳态模型。
A one-dimensional unsteady model was developed to simulate the trapping of fine particles by a wall-flow filter by simulating the flow field and particle layer distribution in a channel.
研究结果可以为柴油机排气微粒壁流式陶瓷过滤体微粒捕集效率的定性与定量研究以及过滤体的结构优化设计提供依据。
The results can provide the theory foundation for the optimistic design of the wall flow filter, and the qualitative and quantitative analysis of the particulate filter efficiency.
采用在底流式镁合金熔炼炉中施加不锈钢丝网过滤的方法在半连续铸造工艺中实现镁合金熔体净化，以达到提高镁合金锭坯质量的目的。
In order to improve the quality of magnesium billets, magnesium melt for DC casting was purified by using stainless steel mesh in the magnesium melting furnace with bottom apex.
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