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Effects of high frequency spark plasma discharge as a time efficiency method in order to softening the natural hard water has been investigated experimentally. A very hard water sample with 331 ± 19 mg/l of CaCO3 hardness was used. The current and voltage of each spike was about 9.6 A and 3.5 kV respectively at 16 kHz frequency with 35 μs pulse width. Hard water was treated for 2, 4, 6, and 8 min...
In this paper the effect of the corona discharge on insect pests was investigated. Wheat samples were placed on a plate electrode and pin to plate corona discharge generated above samples. The results showed that Corona discharge treatment have significant effect on reducing the population of insects. A positive correlation was found between exposure time to corona discharge and the rate of insect's...
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