2) black-odor control
黑臭治理
3) water blackening and stink
河道黑臭
1.
Some researches and projects showed that aeration was an available way to dispel water blackening and stink and ren.
在自然水体中,两种价态的铁离子通过氧化还原反应相互转化和循环;大量有机物排入水体打破了铁离子的正常循环,铁离子的不正常还原使水体中的Fe~(2+)浓度升高,成为影响水体黑臭的主要因素之一;实验室和工程实践证明,对河道进行曝气充氧可以消除河道黑臭,使水体逐步恢复自然的生态功能。
4) black-odor river
黑臭河道
1.
The Application of lagoon in the bioremediation of black-odor river;
黑臭河道生物修复中氧化塘应用研究
2.
The aeration experiment of black-odor river was conducted by the use of three aerator equipments, such as paddlewheel aerator, impeller aerator and injector aerator.
研究表明,不同增氧方式对黑臭河道水体增氧效率不同,水车式曝气机、叶轮式曝气机均可在黑臭河道下游形成一段绿色水面,水车式曝气机下游变绿河段长度为15。
5) black and odorous river
黑臭河流
1.
The operational results during about 1-year period demonstrate that the system can achieve high purification efficiency for black and odorous river and convert sewage to useful resources.
近一年来的运行结果表明,该系统对黑臭河流的净化效果好,同时还可实现污水的资源化,适合于城市景观河道的治理。
6) water blackening and smell
水体黑臭
1.
Currently, water blackening and smell is one of important subjects about water environmental research and monitoring.
水体黑臭是当前水环境研究和监控的重要课题之一。
补充资料：黑吃黑
1.非法活动中的一方用威协﹑武力等强制手段来欺压另一方。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条