total oxygen demand automatic recorder
总需氧量自动记录仪
Chemical Oxygen Demand--Total [CODt]
化学需氧量（总数）
Current Situation and Countermeasures of Sulfur Dioxide and Chemical Oxygen Demand Total Amount Control in Tanggu District;
塘沽区二氧化硫、化学需氧量总量控制的现状及对策
Experimental Study of the Relationship be- tween Total Organic Carbon (TOC) and Bio- chemical Oxygen Demand (BOD)
总有机碳与生化需氧量相互关系的实验研究
Chemical Oxygen Demand--Settled [CODs]
化学需氧量（沉淀）
The total discharge amount of COD in the waste water is 14.065 million tons, 2.7% less than the previous year.
废水中化学需氧量（cod）排放总量1406.5万吨，比上年减少2.7%。
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
biological oxygen demand
生物需氧量（缩写BOD）
determination of the chemical oxygen demand
化学需氧量的测定方法
exercise that increases the need for oxygen.
增加氧气需要量的练习。
biochemical oxygen demand
生化需氧量（缩写BOD）
biochemical oxygen demand meter for seawater
海水生化需氧量测定仪
Comparison of Permanganate Index, COD and BOD
辨析高锰酸盐指数、化学需氧量、生化需氧量
quantitative analysis of BOD
生物化学需氧量的定量测定
They are commonly measured in units of biochemical oxygen demand (BOD), or the amount of oxygen needed to decompose them.
常常使用生化需氧量，即有机物分解所需的氧这个单位进行测量。
Reaseach on Measurement of Chemical Oxygen Demand in Seawater by Flow Injection Ozonation Chemiluminescence;
流动注射臭氧氧化化学发光法测量海水化学需氧量的研究
BOD Measurement Based on Oxygen Fluorescent Quenching Rate Method
基于氧荧光猝灭速率法的生化需氧量检测
Relationship Between Natural Gas Consumption,GDP and Total Energy Consumption;
天然气需求量与国内生产总值及总能耗的关系