oxygen demand

Study and inspection on an express determination method chemical oxygen demand by potassium dichromate

重铬酸钾快速测定化学耗氧量方法研究与检验

Silver sulfate is used in National Standard as catalyst to determine chemical oxygen demand ( COD ).

对化学需氧量 ( COD ) 的测定,在国标方法中是以硫酸银做催化剂.

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

图1-5的另一曲线相当于生化需氧量 ( BOD ) 曲线.

How to select dilution coefficient is key of biochemical oxygen demand.

如何选取稀释系数是测定生化需氧量的关键.

The Development Status of Automatic On-line Chemical Oxygen Demand ( COD) Analyzer

水质化学需氧量（COD）在线自动分析仪的发展现状

Rapid Analysis of Chemical Oxygen Demand in Waste Water of Synthetic Fat Acid

合成脂肪酸废水COD快速分析

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

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

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 ) .

Chemical Oxygen Demand--Settled [ CODs]

化学需氧量（沉淀）来自互联网

The rate of bottom sediment oxygen demand of stable ponds in North China was discussed in the paper. It was found that SOD value decreased with sewage treatment and purification. SOD values of all ponds ranged between 0.798g/m2?

华北稳定塘各塘底泥耗氧速率（SOD）值范围在0.78～2.2271g/m~2·d之间。

Determination of air chemical oxygen demand in chemical laboratory

化工实验室内环境空气耗氧量的测定

Study on Determination of Chemical Oxygen Demand by UV Absorption Spectrum and BP Artificial Neural Networks

BP人工神经网络紫外吸收光谱法直接测定COD研究

Operation with reduced load is most effective method to decrease the oxygen bleeding rate when oxygen demand shrinks.

当氧气需求量减小时，空分设备减负荷运行是降低氧气放散率的最有效方法。

Although these vessels may protect from development of myocardial infarction, they frequently do not supply sufficient blood flow to prevent ischemia during periods of augmented myocardial oxygen demand.

尽管这些新生的侧支循环可以推迟心肌梗死的发生，但是最终仍然无法提供足够的血供以阻止梗死的发生。

Oxidation-reduction Titration the Simple Fast Determination of Chemical Oxygen Demand

氧化还原滴定法简易快速测定化学需氧量

Activated sludge dominant metazoan cell body can be maintained at 80% of the basic chemical oxygen demand removal efficiency over, but the dominant pool of protozoa can only maintain a 65% physical.

活性污泥法的后生动物占优势池体基本都能保持在80%以上的化学需氧量去除率，而原生动物占优势的池体能只能保持65%以上。

Correlation of total organic carbon with permanganate index and chemical oxygen demand

总有机碳与高锰酸盐指数及化学需氧量的相关性

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

生化需氧量 ( BOD ) 是水质监测中最重要的指标之一.

Unlimit aeration style had good tolerance to shock loads, its oxygen demand was even, and it could reduce the reaction period;

非限制曝气方式耐冲击负荷，需氧均匀，能缩短反应周期；

Chemical oxygen demand ∈ [ 15.70, 58.60] ( COD);

化学需氧量∈[15.70,58.60]（COD）；

Chemical Oxygen Demand -- Settled [ CODs ]

化学需氧量(沉淀 )

Study of correlation of ultraviolet absorption coefficient with chemical oxygen demand

炼油废水的紫外吸收系数与化学需氧量的相关性

Studying the distribution of oxygen demand over the aeration tank a design concept of sectional control of the DO concentration was proposed on the basis of oxygen transfer in wastewater.

本文通过对曝气池需氧量及其分布规律的探讨，运用传氧理论提出了分段控制曝气池溶解氧浓度的设计概念。

The standard Determination of the chemical oxygen demand is dichromate method, with the most widespread application.

测定化学需氧量的标准方法是重铬酸盐法，应用最为广泛。

Conditional Control in Monitoring and Analysis for the Chemical Oxygen Demand of Sewage

生活污水处理中COD监测条件的控制

The biochemical oxygen demand was determined by the speedy testing method of microorganism sensor.

利用微生物传感器快速测定水中生化需氧量。

The total oxygen demand ( TOD) means consuming oxygen quantity when organic component in water was burnt up to the stable oxidate.

讨论了影响水中总需氧量（TOD）测定的因素。

Study on FI Fast Determination of Chemical Oxygen Demand

流动注射快速测定化学耗氧量的研究

Measurement of the Biochemical Oxygen Demand of the Organic Pollutant in the Aquatic Environment

水环境中有机污染物生化需氧量的测定

An Analysis of Chemical Oxygen Demand, Carbohydrate, IgG and IgA in Extracellular Fluid of Bacterial Plaque

菌斑细胞外液化学耗氧量、糖类、IgG和IgA分析