二氧化硫、化学需氧量排放量减少的势头得到巩固，全年分别下降5．95％和4．42％。
Sulfur dioxide emissions and chemical oxygen demand kept falling, down 5.95% and 4.42% respectively, and this trend became more firmly set.
化学需氧量：303亿吨(44%来自农业)。
Chemical oxygen demand discharges: 30.3 billion tonnes (44% from agriculture).
研究表明，水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.
研究表明，水质43.7%的国家化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study, agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water), 67% of phosphorus and 57% of nitrogen discharges.
经过3年努力，单位GDP能耗累计下降10%，二氧化硫和化学需氧量排放累计下降9%和6.6%。
Through three years of hard work, our energy consumption per unit of GDP has dropped by 10%, and SO2 and COD emissions declined by 9% and 6.6%.
测量的化学需氧量和浓度的阴离子表面活性剂是用来跟踪氧化。
Measurements of the Chemical Oxygen Demand and the concentration of the anionic surfactants were used to follow the oxidation.
化学需氧量是水质监测的一个重要参数。
Chemical oxygen demand is one of the important parameter in water monitoring.
叙述了研究总有机碳与高锰酸盐指数及化学需氧量相关关系的目的。
The purpose of studying the correlation of total organic carbon (TOC) with permanganate index and chemical oxygen demand (COD) has been stated.
现在主要污染物的范围包括二氧化硫和化学需氧量，为一个衡量水污染程度的指标。
The current scope of major pollutants includes sulfur dioxide and chemical oxygen demand, a gauge of water pollution.
介绍了一种基于紫外全波段扫描的水质化学需氧量(COD)测量技术以及运用该技术设计开发的在线COD测量仪器。
A method based on all band ultraviolet scanning for measuring water chemical oxygen demand (COD) was introduced, and the method was applied to develop an on-line COD measuring instrument.
为快速确定废水的污染程度，研究了运用近红外光谱法测量废水化学需氧量（COD）的可行性。
To rapidly determine the pollution extent of wastewater, the potential of near infrared(NIR) spectroscopy for measurement of chemical oxygen demand(COD) in wastewater was investigated.
生物化学需氧量bod是水质评价的必测项目，是衡量有机物对水质污染的重要质量指标。
Biochemical oxygen demand, BOD is necessary for water quality evaluation. It is an important index in measuring organic materials pollution.
化学需氧量(简称COD)是水质污染程度的代表性指标。
Chemical Oxygen Demand (COD) is the representative index of sewage water.
对于安装自动监测设备的污染源以自动监测数据为依据申报化学需氧量和二氧化硫的排放量。
For a pollution source with the installation of automatic monitoring equipment, the COD and volume of sulfur dioxide emissions shall be reported on the basis of the automatic monitoring data.
化学需氧量是评价水体有机污染程度的综合指标，也是水质监测的一个重要参数。
Chemical oxygen demand is an integrative index for evaluating the degrees of organic pollution in water, and is also one of the important parameters in water monitoring.
最近在化学需氧量研究上的进展已扩大了可供测试方法选择的数量。
Recent advances in oxygen demand research have expanded the number of options available for testing.
考察了废水中悬浮物浓度及化学需氧量与炭膜渗透压的关系。
The relationship between the mixed liquor suspended solid concentration, chemical oxygen demand and wastewater permeation pressure of the membrane was studied.
经过微电解工艺处理的染料工业废水色度和化学需氧量（COD）去除率分别为93．94％和64.62％。
The Chemical Oxygen Demand(COD) and the Chromaticity Color ( CC) reduction rates were 93.94% and 64. 62% respectively.
大庆油田化工总厂废水中化学需氧量(COD)的测定采用库仑法。
Coulostatic method has been adopted to determine chemical OxygenDemand (COD) in the waste water of Petrochemical Plant of Daqing Petroleum Administration.
稠油废水处理的达标外排，其中处理的关键污染指标为COD （化学需氧量）。
The key link of treating heavy oil sewage is pollution index-COD attaining standard.
化学需氧量是水质监测的一项重要指标。综述了化学需氧量的测定方法和研究进展。
Chemical oxygen demand is one of the important index in water monitoring. In this paper, the recent development for determination of chemical oxygen demand is briefly summarized.
提出在多闸坝河流上，利用枯水期断面化学需氧量同步监测数据测算COD综合衰减系数的方法。
A method to calculate the fall coefficient of COD in rivers which have many DAMS was put forward.
通过对虾池内主要环境因子与对虾病毒病相关关系的研究，发现虾池内化学需氧量（COD）太高是诱发对虾病毒病暴发流行的主要环境因子之一。
There is a close relationship between COD and shrimp viral disease. COD is one of the important environmental conditions for breaking out shrimp epidemic virosis.
通过实验，研究、对比过滤、化学混凝降解焦化废水悬浮物、化学需氧量的效果。
The effect of degradation of suspended solid and chemical oxygen demand in coking sewage by filtering and that effect by chemical coagulation were researched and compared through testing.
有问题，但是没有一个共同的问题是，游戏如化学需氧量4可能…
There were no issues however a common problem is that games like COD 4 are likely…
化学需氧量(COD)是表征水体中有机物污染程度的一个综合性指标。
Chemical oxygen demand (COD) is a synthetical indicator which represents the degree of organic pollution in water.
化学需氧量(COD)是表征水体中有机物污染程度的一个综合性指标。
Chemical oxygen demand (COD) is a synthetical indicator which represents the degree of organic pollution in water.
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