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。

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During pregnancy the extra estrogen in your system is responsible for less strands ending up in your brush and down the shower drain.

怀孕期间身体系统内多余的雌激素保证你每天梳子上和洗漱池里面掉少量的头发。

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Just open a hot water valve in a sink or shower and let the system drain.

我们只要打开浴缸或淋浴喷头的热水出水阀，把热水器的水放掉就行了。

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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