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首页> 外文期刊>Physics of plasmas >Atmospheric pressure air-plasma jet evolved from microdischarges: Eradication of E. coli with the jet
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Atmospheric pressure air-plasma jet evolved from microdischarges: Eradication of E. coli with the jet

机译:从微放电中释放出大气压的空气等离子射流:用该射流根除大肠杆菌

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摘要

An atmospheric-pressure air-plasma jet operating at 60 Hz ac is presented. A plasma jet with a length of 23 mm was produced by feeding air through a porous alumina dielectric installed between an outer electrode and a hollow inner electrode. Microdischarges in the porous alumina are ejected as a plasma jet from the outer electrode through a 1 mm hole, showing that the temperature of the jet decreases to a value close to the room temperature. The jet disinfects E. coli cells very effectively, eradicating them with an exposure of a few seconds to the jet flame.
机译:提出了在60 Hz ac下工作的大气压空气等离子体射流。通过将空气送入安装在外部电极和中空内部电极之间的多孔氧化铝电介质中,产生长度为23 mm的等离子流。多孔氧化铝中的微放电以等离子体射流的形式通过1毫米的孔从外部电极喷出,表明射流的温度降低到接近室温的温度。喷射器非常有效地对大肠杆菌细胞进行了消毒,将其暴露在喷射火焰中几秒钟即可将其消灭。

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