The oxygen radicals theory should be the etiology of presbyacusis.

氧自由基学说应该是老年性聋的发病病因。

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Attacks free oxygen radicals, and oxygenates the blood.

抗自由基，促进血液的带氧能力。

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Unchecked, oxygen radicals may cause reperfusion injuries and other problems.

看来，氧基能导致多次灌注的伤害和其他问题。

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Since silver nanoparticles act in cleaning biological stains and smells by producing hydroxyl and other oxygen radicals, which are toxic in vivo, then if they were ingested the consequences could be dire.

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Much of the damage looks like the result of oxidation by free radicals (oxygen-rich compounds released during cellular energy production).

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These free radicals are oxygen-rich molecules in which one of the oxygen atoms is particularly likely to react with other chemicals.

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