On a new experimental set-up of filter with three ceramic filter elements, the transient velocity outside the filter element is measured by hot-wire anemometer during pulse-jet cleaning process.

在由三根陶瓷滤管组成的实验装置上，利用热线风速仪对脉冲反吹时滤管外瞬态流场进行了测定，分析了喷吹压力、脉冲宽度、过滤气速和喷吹距离对滤管外流场的影响。

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Using a technique called "sniffing, " three foreign-based journalists working for Global Security magazine hacked into a closed wire-based network set up exclusively for the media.

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