Odorous gases and aerosols oxidize on contact with active oxygen molecules.

恶臭气体和气溶胶在接触氧化与活性氧分子。

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I think it's the first time someone has shown that bacterial cells can actually sense odorous gases like ammonia.

我认为这是首次有人证明细菌细胞实际上能够感知有气味的气体，比如说想氨气。

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The catalytic activated carbon deodorizing device was used for purifying odorous gases in sewage pumping station.

采用催化型活性炭除臭装置对污水泵站产生的臭气进行净化。

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