COD,chemical oxygen demand英语短句,例句大全

COD,chemical oxygen demand
1)chemical oxygen demandCOD
1.The experimental results show that the declining rates of chromaticity and chemical oxygen demand(COD) can extend to 84% and 60% respectively.实验结果表明:在pH值为3,m(Fe)/m(C)为6,转速为150r/min,振荡反应120min的条件下,色度下降率达到84%以上,化学需氧量(COD)下降率大于60%,水质得到明显改善,有利于后续生化处理。
2.The main defects of the standard method for the determination of chemical oxygen demand in water by potassium dichromate, such as measurement time consuming, Hg salt polluting, Cl~- disturbance were ameliorated by increasing acidity and adding catalyst silver sulfate.重铬酸钾标准法测定水样的COD存在耗时长、汞盐二次污染和氯离子干扰等缺陷。
3.It is shown that colority and chemical oxygen demand of the wastewater can be decreased to thirty times and less than 300 mg/L respectively by 10% iron(Ⅲ) chloride liquor and powdered carbon.结果表明:采用10%FeCl3溶液和粉末活性炭处理该尾水,色度和COD一般分别可降到30倍与300mg/L以下,达到酒精行业废水排放二级标准。

英文短句/例句

1.On the Correlation of TOC,COD and BOD5;TOC、COD、BOD_5相关性
2.Study on Measurement of Chemical Oxygen Demand in Seawater by Ozonation Chemiluminescence;臭氧法COD测量仪测量海水COD的研究
3.Study on CAST Process for Wastewater of High Concentration COD and Ammonia;CAST工艺处理高COD高氨氮废水试验研究
4.Research on Correlation between COD and TOC of Typical Rivers in Jilin Province;吉林省典型河流COD和TOC的相关性研究
5.Determining COD and Decolorating Mehthod for the Saline Water;盐湖卤水COD的测定及脱色方法研究
6.The Measurements and Characterization of COD Components in the Activated Sludge Models;活性污泥模型COD组分测试与表征
7.Numerical Simulation of the Distribution of COD and Its Influlunce Factors in the Bohai Sea;渤海COD季节分布及影响因素数值模拟
8.Measurement and Reduction of COD in BOP Alkali Waste Water;丁辛醇生产废碱液COD的检测和脱除
9.Treatment of COD and NH_4 -N in the Wastewater from Coke Plant by Using IMC Technology;IMC脱除焦化废水中COD和氨氮的研究
10.Relation Analysis between TOC, COD and BOD and Its Application;水体TOC、COD、BOD相关性分析及应用
11.COD Detecting Technique Research Based on UV Analysis;基于紫外光分析的COD测试技术研究
12.Research on Fuzzy Control System for COD of Wastewater Treatment;污水处理中的COD模糊控制系统的研究
13.Design and Implementation of COD Testing Apparatus Based on Electrochemistry;电化学法COD测量仪的设计与实现
14.Study on the Effect of Modified Cation Resin to the Determination of COD;改性阳离子树脂对COD测定影响的研究
15.On-Line COD Monitoring Instrument Based on UV Absorptive Principle;基于紫外吸收法COD在线监测仪的研制
16.Research and Development on the Polluted Water Online Monitoring System of COD;污水COD在线监测系统的开发研究
17.The Study on the Removal of COD in Coke Plant Wastewater by SBBR;SBBR工艺去除焦化废水COD试验研究
18.Identification Mode of ChemicaL Oxygen Demand in Water Based on Remote Sensing Technique and Its Application;水环境COD遥感识别模式及其应用

相关短句/例句

CODCrCOD
1.Detection of CODcr by Microwave Digestion Photometric Method and Its Unified Benefits Analysis;微波消解光度法测定COD及综合效益分析
2.The correlation of BOD5 and CODcr were analyzed in this paper according to the measured data of water quality of Cihu Lake in Hubei Province and the mathematical statistics, and meanwhile some questions in applying the correlation are also presented.根据湖北省磁湖的实测水质数据资料,应用数理统计的方法分析了该水体BOD5和CODcr间的相关关系,同时也指出了一些BOD5和CODcr的相关性在实际应用中应该注意的问题。
3.Properties of modified bentonite were characterized by various analysis techniques and modified bentonites were applied to pretreatment of high strength landfill leachate with CODCr up to 20,000~37,000mg/L.将其应用于COD高达20000～37000mg/L的垃圾渗滤液的预处理,以垃圾渗滤液的COD去除率为考察指标,对原土和有机改性土的处理效果进行了对比,确定了改性膨润土最佳用量以及最佳反应条件。
3)COD valueCOD值
1.This experiment was conducted to determine the loss rates of four kinds of pellets with drying method and the COD values with potassium permanganate method after different periods of pellets immersion in distilled water.采用烘干干燥法和高锰酸钾法分别测定了市售的罗非鱼沉性饲料、罗非鱼膨化饲料、对虾沉性饲料、牛蛙膨化饲料入水后的散失率及水体COD值随时间的变化。
2.The results show that the COD value of different types of glass raw materials differs from each other greatly; the optimal proportion of H2SO4:H3PO4 is 4:1; the optimal acid added order is phosphoric acid first and sulfuric acid the second; the optimal digestion time for chemical raw materials is 15min, and for mineral raw materials is 30min.为提高浮法玻璃原料化学需氧量(COD)的测定效率,研究了混酸消解法测定浮法玻璃原料COD值的影响因素和最佳实验条件。
4)high COD高COD
1.Many industrial producing processes discharge high salinity and high COD organic wastewater,it contains not only lots of suspended,colloidal and soluble organic substance,but also high concentration inorganic salts.许多工业生产过程中会排放高盐度、高COD有机废水,不仅含有大量的悬浮态、胶体态和溶解态的有机物质,还含有高浓度的无机盐类(此类废水污染严重,是属于极难处理的废水)。
5)COD[英][,si: ?? 'di:][美]['si 'o 'di]COD值
1.Discuss on end-point judgment of flax retting with COD;用COD值定量判断亚麻脱胶终点的探讨
6)COD/ SO2-4 ratioCOD/SO42-