COD;chemical oxygen demand
化学需氧量(衡量水污染程度的一个指标)
Biochemical oxygen demand - BOD: A measure of the amount of pollution by organic substances in water.
生化物需氧量(简写为 BOD):一种衡量有机物在水中的污染量的标准。
The key pollution indicators are ammonia nitrogen and BOD.
主要污染指标是氨氮和生化需氧量。
An Application Study of Connection Model Between Reservoir Organic Pollutant BOD_5-DO and Temperature
水库有机污染物生化需氧量-溶解氧和温度的耦合模型研究与应用
The major pollution indicators are dissolved oxygen, potassium permanganate, BOD, volatile phenol and petroleum.
主要污染指标为溶解氧、高锰酸盐指数、生化需氧量、挥发酚和石油类。
The goal of that study was to measure pollution levels in a clean environment.
其目标是在一个清洁的环境下测量污染程度。
Therefore, COD is a conditional indicator, and strict operation procedure must be followed.
因此，化学需氧量亦是一个条件性的指标，必须严格按操作步骤进行。
5 days biochemical oxygen demand [BOD5] [water quality objective]
五天生化需氧量〔水质指标〕
They can weigh overall level and ripeness of financial circles development.
这两个指标可以很直观地衡量一国金融业发展的总体水平和成熟程度。
These standards relate to the degree of faecal pollution measured as E.
这套标准以大肠杆菌(显示污水的存在)量显示粪便带来的污染程度。
Development of Seawater Chemical Oxygen Demand Measurement Instrument Based on Ozone Analysis
臭氧法海水化学需氧量测量仪的研制
QUICK DETERMINATION FOR COD IN SEWAGE AND INDUSTRIAL WASTEWATER
快速法测定污水和工业废水中化学需氧量
The indexes of estuarine ecosystem environment can assess the effects of water regulation.
水量调度效果如何，河口生态环境变化状况是非常重要的衡量指标。
Optimization of Condition for COD Rapid-test-method in Waste Water and Practice
污水中化学需氧量速测法条件优化与实践
BOD_5 Pollution In JiaMusi Section of SongHugJiang River
松花江佳木斯段生化需氧量污染分析
Microwave digestion spectrophotometric determination of COD
微波消解光度法测定水中化学需氧量
Impact Determination on the Various Indicators of the Losses Caused by Water Pollution Accidents
水污染事故损失中各指标影响程度的确定
DETERMINATION OF COD_(Cr) IN LOW CONCENTRATION WASTEWATER WITH PHOTOELECTRIC COLORIMETRY
光电比色法测定低浓度废水的化学需氧量