生化需氧量

基于TM影像数据的五日生化需氧量浓度估计

The estimation of biochemical oxygen demand after five days based on TM image data

其中，氮、磷、化学需氧量、生化需氧量等已超出地表水V类标准，水质恶化为劣V类的风险加剧。

Among them , nitrogen , phosphorus , chemical oxygen demand , biochemical oxygen demand has exceeded the V-type water quality standard .

生化需氧量（BOD）在线自动监测仪的研制

An on-line and auto - monitoring instrument for biochemical oxygen demand

五日生化需氧量（BOD5）测定中接种液的几种获取方法

Several Preparation Methods of Inoculums for the Determination of BOD_5

生化需氧量（BOD5）测定中稀释倍数的简捷确定法

A simple method of estimation of the dilution ratio in bod_5 determination

生化需氧量bod5测定的简化法。

A simplified method for measuring biochemical oxygen demand bod_5 .

水质的生化需氧量（BOD5）稀释与接种法测定结果不确定度评定

Evaluation of Uncertainty in Measurement of BOD_5 by Dilution and Inoculation Method

生化需氧量（BOD5）测定方法进展

Development of Biochemical Oxygen Demand ( BOD_5 ) determination measure

探讨了餐饮业废水生化需氧量（BOD5）样品的采集及分析方法。

Several problems of sampling and measuring BOD5 in catering wastewater were explored .

化学需氧量（COD）和生化需氧量（BOD）分别降低78.6%和91.2%，硫化物去除率为98.2%，挥发酚去除率为99.6%。

The chemical oxygen demand and the biochemical demand were reduced by 78.6 % and 91.2 % respectively .

BOD5TraK仪器测定水中5日生化需氧量

Determination BOD _5 by BOD _5 Trak Instrument

生化需氧量（BOD）是水质监测中最重要的指标之一。

Biochemical oxygen demand ( BOD ) is one of the most important indexes in water monitoring .

图1-5的另一曲线相当于生化需氧量（BOD）曲线。

The other curve shown in Fig 1.5 corresponds to the biochemical oxygen demand ( BOD ) .

本文讨论了角膜电极测定生化需氧量（BOD5）方法与传统碘量法的比较。

The determination of BOD5 with DO probe method has been discussed .

水质五日生化需氧量（BOD5）测定不确定度的评定

Evaluation of the Uncertainty for the Determination of the Biochemical Oxygen Demanded in Five Days Content of Water

同时发现铜络合配位体浓度与BOD（生化需氧量）、COD（化学需氧量）、DOC（溶解有机碳）及黏度存在显著的正相关性。

Meanwhile , the positive relationship between copper ligands concentration and BOD , COD , DOC and the viscosity are found obviously .

五日生化需氧量（BOD5）是评价水体受有机物污染的相对耗氧指标。

BOD 5 is the synthetical evaluation index of water polluted by organic location .

测定了47种取代苯类化合物在松花江水中的5日生化需氧量（BOD5）。

The biochemical oxygen demand ( BOD 5 ) of 47 substituted benzenes were determined .

GB/T7488-1987水质五日生化需氧量（BOD5）的测定稀释与接种法

Water quality Determination of biochemical oxygen demand after 5 days ( BOD5 ) Dilution and seeding method

表面反应的曲线表明，在高温和中等水力停留时间时，五日生化需氧量的清除达到最佳（图4A）。

The surface response curved showed that at high temperatures and middle hydraulic residence times , the removal of BOD5 was optimal ( Fig.4A ) .

胶清废水系天然橡胶初加工时的一种工业废水，具有较高的生化需氧量（BOD），其中约含有1%蛋白质，0.05～0.3%氨态氮等。

Skim serum is an industrial effluent from rubber factories . It is of higher BOD and contains about 1 % protein and 0.05-0.3 % ammoniacal nitrogen , etc.

生化需氧量（BOD）是监测水体中可生物降解的有机物含量的一个重要参数，是目前最常用的水体有机污染综合指标之一。

The biochemical oxygen demand ( BOD ) value is a key parameter that can determine the level of organics , particularly the content of biodegradable organics in water .

有机污染是水体污染的一个主要方面，生化需氧量（BOD）是表征水体有机污染的重要指标之一。

Organic pollution is a major aspect of water pollution , at the meanwhile , biochemical oxygen demand ( BOD ) acts as an important indicator of organic pollution .

使生化需氧量BOD5的模拟所需采用的BOD5&DO耦合模型的求解十分困难。

The water quality simulation of BOD_5 must adopt the BOD_5 & DO coupling model . The complex variation of DO causes the coupling model to be difficult to solve .

结合现阶段我国的经济技术条件选择了适用于河流水质月报的评价项目即pH、溶解氧、高锰酸盐指数、五日生化需氧量、氨氮、石油类、挥发酚、汞和铅等9项。

According to the actual economic and technological conditions of China , the assessing indicators for river water quality monthly report are pH , dissolving oxygen , permanganate value , BOD_5 , NH_3-N , oils , volatile phenol , mercury and lead have been selected .

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。

Biochemical oxygen demand ( BOD5 ) is one of the important indexes of organic pollution . It is also an important parameter of environmental monitoring .

通过检测对照桶和试验桶中化学需氧量（COD）、生化需氧量（BOD5）的变化结合镜检结果，得出余氯及五种有机氯化物对活性污泥的最高允许浓度。

According to the variations of COD , BOD5 , combined with the microscopic observation in experiment and blank buckets , the maximum allowable concentrations of residual chlorine and five organic chlorides to activated sludge were obtained .

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。

Biochemical oxygen demand over five days-BOD5 : The standard biochemical oxygen demand test whereby a sample of the liquid is incubated at20 degrees C for five days .

树脂在甲苯蒸汽环境中，3h后增重31.2%；污水经树脂处理后化学需氧量（COD）、生化需氧量（BOD5）的吸除效率分别达70.15%，77.66%；

After the sewage is defecated by the resin , the sorption efficiency of Chemical Oxygen Demand ( COD ) and Biologics Oxygen Demand ( BOD5 ) reach 70.15 % and 77.66 % , respectively .

用YSI-58型溶氧仪测定五日生化需氧量的注意事项

Notable Matters for BOD _5 Determination by Dissolved Oxygen Meter Model YSI-58