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。
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.
现主要产品有：无油隔膜真空泵、不锈钢多联过滤器、溶剂过滤器、氮气吹干仪、柱温箱及HPLC相关的耗材配件等系列产品。
The products range from diaphragm vacuume pump, vacuume manifolds filtration system, filter holder, pressured gas blowing concentrator, column oven, HPLC accessories and so on.
的偏振过滤器被放置在前面的ASD场光谱仪的传感器，在各种条件下，得到的偏振特性的水面谱。
A polarization filter was placed in front of the sensor of ASD field spectrometer to obtain the polarized characteristics of water surface spectrum in various conditions.
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