1.
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
2.
Chemical Oxygen Demand--Total [CODt]
化学需氧量（总数）
3.
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
4.
Chemical Oxygen Demand--Settled [CODs]
化学需氧量（沉淀）
5.
Development of LC-4D chemical oxygen demand measurement instrument
LC-4D化学需氧量测定仪的研制
6.
determination of the chemical oxygen demand
化学需氧量的测定方法
7.
Study on Allocation Methods for Total Emissions of Sulfur Dioxide in Different Regions of China
区域二氧化硫排放总量控制指标确定方法研究
8.
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
9.
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%。
10.
quantitative analysis of BOD
生物化学需氧量的定量测定
11.
total oxygen demand automatic recorder
总需氧量自动记录仪
12.
Study on Preparation of Nano-semiconductor Oxide and Its Application in COD Determination;
纳米半导体氧化物的制备及其在化学需氧量检测中应用的研究
13.
Total oxygen content control of ULC steel in the process of RH treatment
RH处理超低碳钢中总氧含量的控制
14.
The total quantity control over the petrochemical industry has been put on position basically. The supply and demand on product oil and main chemical products are balanced basically.
石化总量控制基本到位，成品油及主要化工产品的供需基本平衡。
15.
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
16.
Application of BOD Intelligent Biotester in Controlling Analyses of Wastewater
生化需氧量智能生物检测仪在废水控制分析中的应用
17.
Optimal Model of Sulphur Dioxide Pollution Amount and Environment Economic Development and Its Application
二氧化硫排放总量-环境经济最优控制模型及其应用
18.
A Discussion of the Connection Between the Amounts of Nitrification Inhibitors Added and the BOD_5 Resulted From
硝化抑制剂的加量对生化需氧量值影响的探讨