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.
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。
In medical Doppler ultrasound systems, a high-pass filter is usually employed to remove wall clutter components which may also remove the information of the low velocity blood flow.
医学超声多普勒系统的高通滤波器在消除血管壁搏动带来的回波干扰时，也滤除了低速血流信息。
Ceramic wall flow filter is an effective carbon particulate matter purification device on the diesel engine vehicle.
壁流式陶瓷颗粒过滤器是柴油车上有效净化碳颗粒的装置。
Based on the developed electrical regeneration method in former study, the electrical regeneration automatic control system of diesel wall flow ceramic particulate filter was discussed in this paper.
在前期对壁流式陶瓷微粒过滤器电加热分区再生方法进行完善的基础上，对自动控制系统进行了研究。
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.
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 compositions can be used as plugging mixtures for forming a ceramic wall flow filter.
该组合物可以用作形成陶瓷壁流式过滤器用的堵塞混合物。
Wall filtering is a very important technique in color flow imaging systems. Unfortunately, wall filter usually induces a bias to the estimation of blood parameters.
壁滤波是彩色血流成像系统中一项非常重要的技术，但是任何壁滤波器都会对血流参数的估计引入偏差。
It is important to elect suitable measurement method and apparatus of pore structure parameters for wall-flow honeycomb ceramics, which filter performances depend on it's pore structure.
壁流式蜂窝陶瓷孔洞结构决定其过滤性能，故选择合适的方法和测量装置对其孔结构参数进行测定非常重要。
According to study on after-treatment technique, a new type of DEP filter made of ceramic wall flow, and its regeneration method, infrared heating, is put forward.
通过对柴油机排气微粒后处理技术的研究分析，提出以壁流式陶瓷为过滤材料，结合红外加热再生方法，形成一个新的微粒后处理系统。
The simulation and experiment of wall-flow diesel particulate filter (DPF) with reverse pulse air regeneration were performed.
进行了柴油机过滤体逆向喷气再生系统的模拟与试验研究。
The filter constructed with wall-flow webby stainless steel coils by author experiments on 165FA diesel engine and demonstrates better regeneration effect.
试验在165FA柴油机试验台上进行，应用了壁流式不锈钢丝网滤芯的过滤器，并取得了良好的再生效果。
The filter constructed with wall-flow webby stainless steel coils by author experiments on 165FA diesel engine and demonstrates better regeneration effect.
试验在165FA柴油机试验台上进行，应用了壁流式不锈钢丝网滤芯的过滤器，并取得了良好的再生效果。
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