1.
Chemical Oxygen Demand--Total [CODt]
化学需氧量（总数）
2.
Chemical Oxygen Demand--Settled [CODs]
化学需氧量（沉淀）
3.
determination of the chemical oxygen demand
化学需氧量的测定方法
4.
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
5.
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
6.
quantitative analysis of BOD
生物化学需氧量的定量测定
7.
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
8.
Rapid determination of chemical oxygen demand using a nano-TiO_2-and-K_2Cr_2O_7 photocatalytic oxidation system
纳米二氧化钛重铬酸钾协同光催化氧化体系快速测定化学需氧量
9.
automatic BOD analyzer
生物化学需氧量自动分析仪
10.
Determination of COD in Wastewater by Potassium Dichromate Colorimetric Method
重铬酸钾比色法测定水中化学需氧量
11.
Microwave digestion spectrophotometric determination of COD
微波消解光度法测定水中化学需氧量
12.
Discussion on Determination Method of the Chemical Oxygen Demand in Water and Waste Water
水和废水中化学需氧量测定方法探讨
13.
Development of LC-4D chemical oxygen demand measurement instrument
LC-4D化学需氧量测定仪的研制
14.
Simple chemical oxygen demand(COD) determination method by chemiluminescence
一种简便化学发光—化学需氧量测定方法
15.
The Determination of the CODcr and Proteins by Flow Injection-Chemiluminescence Methods;
流动注射化学发光测定化学需氧量和蛋白质
16.
COD;chemical oxygen demand
化学需氧量(衡量水污染程度的一个指标)
17.
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
18.
Determination of COD in Industrial Wastewater with High speed Catalytic Method
催化快速法测定工业废水中的化学需氧量