The aquatic animals and other biological oxygen at high temperatures is a more important reason.

此外水产动物和其它生物在高温时耗氧多也是一个重要原因。

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Determination methods of Biological Oxygen Demand (BOD) being used widely at present were critically reviewed. The influence factors, notes and application conditions were also indicated.

分析评述了现阶段生化需氧量的实验室和快速测定方法的特点，指出了各类方法的影响因素、注意事项及应用范围。

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In surveying potential candidates for "new Earths," astronomers look for traces of biological activity, such as the presence of oxygen.

在可能成为“新地球”的调查对象中，天文学家搜寻生物活动的迹象，例如检查是不是有氧气。

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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.

FORBES: Nanomaterials Are Prey To EU Ministers