The experimental results show that the CODcr and BOD5 in the effluents decrease with all kinds of activated sludge methods.
本文采用运行方式不同的活性污泥法，对混凝处理后的废纸脱墨废水有机污染物的生物降解性能进行了试验。
The chemical indicators (BOD5, NH3-N and S) in the water body were determined and they overrun the fishery, water quality standard.
测定稚鳖养殖池水体的化学指标其中BOD5，NH3-N，大大超过渔业水质标准及参考标准。
The effects on biomass including culture medium, temperature, COD, BOD5 and TOC during treating molasses and alcohol wastewater were studied.
试验研究了糖蜜酒精废液处理过程中培养基、培养温度及废液中COD、BOD5、TOC浓度等因素对微生物量的影响。
As for BOD5, a certain coefficient is needed to revise the measured values in order to restore the reduced fraction due to the sediment deposition.
对BOD5而言，应通过乘以某系数以恢复测量过程中受泥沙沉淀影响而降低的那部分数值。
Biochemical oxygen demand (BOD5) is one of the important indexes of organic pollution. It is also an important parameter of environmental monitoring.
生化需氧量(BOD5)是一个重要有机污染指标，是环境监测的重要参数之一。
Some examples were given to show the application in BOD5 value estimation and confirmation of the sample dilution multiple for surface water monitoring.
举例说明了对地表水中BOD5值的估算和稀释倍数确定的应用。
The characteristics and function mechanism were illustrated through the elimination of pollutants such as BOD5 , SS, NH3-N, P, heavy metals and microbes.
通过介绍特征污染物含碳有机物（BOD_5）、悬浮物、总氮、磷、重金属以及细菌的去除，阐述了污染物去除的基本特征和作用机理。
Protecting landscape water body mainly controlled its content of COD, BOD5, TN and TP and the growth of algae. Keeping it clean and the whole water quality.
景观水体的水质维护主要是控制水体中的COD、BOD_5、TN、TP等污染物的含量及藻类等的生长，保持水体的清澈、洁净和整个水域的水质。
Biochemical oxygen demand over five days - BOD5: The standard biochemical oxygen demand test whereby a sample of the liquid is incubated at 20 degrees C for five days.
五天生化需氧量（简写为BOD5）：标准的生化需氧量试验。其方法是把一份溶液的样品在摄氏20度下培养五天。
The biodegradability of the dyes under tannery activated sludge was evaluated based on the determinations of respiration curve of the activated sludge, BOD5, COD and BOD5/COD.
采用测定生化呼吸线、BOD5、COD和BOD5/COD等方法，研究了几种制革常用染料在制革厂活性污泥作用下的好氧生物降解特性。
It also showed that in each pollution factor, COD, BOD5 and the votile phenol contributed much more to the water quality of this river. Thus corresponding reason was analyzed.
在各污染因子中COD、BOD5、挥发酚类对河流水质的贡献率较大。由此分析了相应的原因。
In the analysis of the BOD5 of inlet water of Fuxian Lake, the source, ratio and pre-treatment of inoculums and the preparation method of inoculums diluting water were also studied.
在对抚仙湖入湖河流BOD5进行分析的过程中，对几种接种液的来源、配比、预处理及接种稀释水的配制方法进行了研究，并通过一系列的实验数据说明了这些配制方法的可行性。
BOD5 has a complicated biochemical process and is affected by many external factors such as the sampled water temperature, environmental temperature, stir speed, and instruments verification.
BOD5是一个复杂的生化过程，受到许多客观环境因素的影响，如样品温度、环境温度、搅拌速度，仪器校正等。
BOD5 has a complicated biochemical process and is affected by many external factors such as the sampled water temperature, environmental temperature, stir speed, and instruments verification.
BOD5是一个复杂的生化过程，受到许多客观环境因素的影响，如样品温度、环境温度、搅拌速度，仪器校正等。
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