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1)  aeration/non-aeration ratio
曝停比
1.
To analyze the effect of DO and aeration/non-aeration ratio on the microbial community structure,active sludge and biofilm samples were taken from the SBBR one-step completely autotrophic nitrogen removal reactor under different DO concentrations and aeration/non-aeration ratios.
为研究溶解氧及曝停比对单级自养脱氮系统微生物群落结构的影响,从不同溶解氧水平及曝停比条件下的SBBR单级自养脱氮反应器中采集活性污泥及生物膜样品,进行PCR-DGGE及条带统计分析。
2)  aeration on/off time
曝气/停曝时间
1.
The influence of the dissolved oxygen(DO) concentration and aeration on/off time on short-cut nitrification and denitrification were investigated.
本试验将反应器温度控制在30℃左右,采用间歇曝气的运行方式,研究了溶解氧浓度及间歇曝气/停曝时间对SMBR实现短程硝化反硝化脱氮的影响,同时研究了胞外聚合物各组分对膜污染状况的影响。
2.
To improve the total nitrogen (TN) removal efficiency of membrane bioreactor(MBR), dissolved oxygen (DO) and aeration on/off time were controlled to study the possibility of total nitrogen removal through short-cut nitrification and denitrification.
为了改善膜生物反应器(MBR)的脱氮效果,考察了不同溶解氧浓度(DO)、曝气/停曝时间对MBR工艺实现短程硝化反硝化生物脱氮的可能性以及对膜污染的影响。
3)  aeration ratio
曝气比
1.
By means of single-factor test and double factors orthogonal test,better removal rate of COD,TN,and TP was obtained under the combined influence of aeration ratio and sludge retention time.
5h的条件下,曝气比和泥龄均高度显著地影响TP的去除,但曝气比的影响是泥龄影响的600倍。
4)  exposure ratio
曝光比
5)  ratio of effective exposure
有效曝光比
1.
The method introduces a light-proof board,and it has higher ratio of effective exposure,thus the frame rate is raised up to 400fps.
该方法将帧频提高到了400帧/秒,具有较高的有效曝光比,并进一步改善了图像的质量。
6)  Blue/yellow exposure
蓝/黄比曝光
补充资料:变量曝气法
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性质:又称变量曝气(法)。是废水活性污泥法的一种改良型。为适应曝气池进水口至出水口之间混合液中有机负荷不同的需要,对曝气池的不同部分供给不同空气量,入口处供给空气量较多,出口附近则较少,使得空气量与混合液的需氧量大致成正比。此法可节省供氧量,不需设置初次沉淀池。

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