厚薄膜技术已广泛用于制作气体传感器，在气敏技术中起重要作用。
Thick film and thin film techniques play an important role in gas sensing techniques, which have been widely used in manufacturing the sensors.
指出了这种构造对石油天然气等矿产的控制作用。
Finally the effect controlling the oil and gas re-sources is illustrated.
通过密闭反冲洗系统、曝气紊流条件，可有效缓解膜通量的衰减，同时防止反应器内硝化抑制作用的产生。
The closed back purge system and the condition of aerating turbulent flow can lighten the attenuation of membrane flux, at the same time, prevent the problem of nitrification inhibition.
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