Pulsed high voltage gas-liquid hybrid discharge could combine gas phase and liquid phase discharge to produce plenty of active species, such as ozone, hydrogen peroxide, hydroxyl radical etc.

高压脉冲气液混合放电利用气相和液相共同放电产生臭氧、双氧水、羟基自由基等活性物质，提高污染物去除效率和电源能量利用率。

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The generation of Reactive Oxygen Species (ROS) begins here. ROS are ozone, hydrogen peroxide and hydroxyls.

的产生开始于此，活性氧化物包括臭氧、过氧化氢和羟基。

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And it's believed that the high chemical reactivity of the surface is due to the deposition of chemically active gases from the atmosphere onto the surface, gases like hydrogen peroxide and ozone.

NPR: Revisiting the Viking Missions to Mars