Using an air-H_2O DC corona radical shower system, the influences of reside time of flue gas in the reactor, velocity of flue gas and NO concentration on NO oxidation process were studied.

运用以湿空气为自由基源物质的直流电晕自由基簇射系统，研究了烟气在反应器内的滞留时间、烟气流速和NO浓度对NO氧化过程的影响。

youdao

The allure of a system that promises certainty in topsy-turvy times is obvious, especially when that system is supposed to shower riches on its acolytes.

FORBES: Uncharted territory

Dundee City Council said there are no "public health issues" and that the shower area had been closed and the water system thoroughly treated.

BBC: Legionella alert in Dundee community centre showers