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After this test, we can obtain the result of assuring the water quality after filtration.

通过试验，得出保证滤后水水质的试验结果。

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After filtration and heating of air into the dryer at the top of the air distributor, hot air spirals into the drying chamber evenly.

空气经过过滤和加热，进入干燥器顶部空气分配器，热空气呈螺旋状均匀地进入干燥室。

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"The bacteria concentration after filtration depends on the initial concentration of bacteria in water, " said developer Dr Cui of Stanford University.

CNN: Nanotech and 'tea bag' to clean up drinking water

The move comes after Sogefi Filtration Ltd's announcement on Thursday that many jobs are at risk at its south Wales plant as the company restructures to face "difficult market conditions".

BBC: Traffic

And maybe after only one filtration you will get 'safe' water.

CNN: Nanotech and 'tea bag' to clean up drinking water