单词oxygen demand
un.: 需氧量
网络: 氧需；耗氧量；氧需求
需氧量
The two methods used for measuring standard samples and all sewage biochemical oxygen demand.
用上述两种方法测定标准样品、各种污水的生化需氧量进行差异性比较。
Chemical oxygen demand is one of the important parameter in water monitoring.
化学需氧量是水质监测的一个重要参数。
cod . leachate . determination of the chemical oxygen demand . potassium dichromate method.
生活垃圾渗沥水。钾和钠的测定。火焰光度法。
Biochemical oxygen demand----The measure of the oxygen demand placed on a stream by any particular volume of effluent.
生化耗氧量——在由特定容量排放的小河中氧需求的测量。
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。
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 other influence factors include oxygen demand, chlorine ion and sulfate with the groundwater being weak acidity.
在地下水呈弱酸性的条件下，其影响因素还包括耗氧量、氯离子和硫酸盐。
Oxygen demand or consumption is a major factor in regulation of coronary blood flow, while the neural control is of secondary importance.
需氧量或消费是一个重要因素调节冠脉血流量，而神经网络控制是次要的。在已知的代谢产物，腺苷被认为是最重要的。
COD (Chemical Oxygen Demand) emission into every river reach in the region is calculated respectively.
然后再根据整合结果，对向区域中河流所排放的COD（化学需氧量）进行分别估算。
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。