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Domestic sewage treatment is a hot research topic in recent years. The testing methods for the quality of treated water are usually based on chemical techniques, which are more accurate, but are time-consuming, complex operation, and may lead to secondary pollution. In this paper, we propose an electrical method to detect domestic sewage on different stages of water treatment. A portable inspection...
The ECT sensor based on electrical permittivity measurements is presented which may be applied to security application for contactless detection of flammable and explosive liquid. The structure, geometry and size of ECT sensor are discussed in this paper; two types of capacitance sensor are designed and compared. COMSOL simulation software is used to evaluate the performance of designed sensor. An...
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