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. 2021 Jan 4;87(2):e02380-20. doi: 10.1128/AEM.02380-20

FIG 1.

FIG 1

The configuration of the dielectric barrier discharge (DBD) atmospheric air nonthermal-plasma (NTP) system (A) and the associated emission spectrum of the DBD-NTP system at applied energy of 8.1 kJ (B). a.u., arbitrary units.