The topography of bac observed by SEM showed that bacterial density on the GAC was reduced along water flow direction and coccus and bacilli were the main bacteria.

随着炭层高度的增加，活性炭颗粒表面微生物的密度逐渐降低；生物活性炭上的细菌以球菌和杆菌为主。

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The anti-bac filter provides the first level of filtration to remove microscopic sediments such as sand, dirt, suspended solids and harmful bacteria.

抗菌高流量滤芯提供第一层的过滤管道，有效过滤微细沉淀物例如：沙子，灰尘，悬浮物和沉积物中有害细菌。

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The audience favorite, however, was Steve Meretzky's "Bac Attack, " which would let human players combat armies of bacteria via a microscope-equipped "TrayStation" gaming device.

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