research article
溶氧状况对美人蕉根系特征和畜禽废水处理效果的影响
Abstract
分别采用标准氧化染色法和正立荧光电子显微镜研究了美人蕉在自然、缺氧和好氧3种溶氧条件下的根部径向泌氧(radial oxygen loss,ROL)类型和特征以及不同ROL位置的空隙和泌氧屏障变化,分析溶氧条件对美人蕉浮床系统处理畜禽废水的影响。自然状况下ROL在任何位置都很强,且不随根的部位的变化而变化;缺氧情况下,根尖区域泌氧最强烈,沿根基方向迅速降低;好氧条件下,根部任何位置泌氧都非常微弱。ROL越强对应的根部孔隙越大,泌氧屏障也越厚。水体缺氧时泌氧作用能使水体达到好氧状态。好氧条件下,美人蕉浮床Similar works
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Last time updated on 08/04/2018
This paper was published in Institute of Urban Environment,Chinese Academy of Sciences.
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