片语

chemical l oxygen demand化学需氧量

air chemical oxygen demand空气耗氧量

theoretical chemical oxygen demand理论化学耗氧量

chemical oxygen demand CODcr化学需氧量CODcr

COD Chemical oxygen demand化学需氧量

chemical oxygen demand determination化学需氧量测定

soluble chemical oxygen demand溶解性化学需氧量

Chemical Oxygen Demand COD化学需氧量

DOD chemical oxygen demand化学需氧量

英汉例句

• The effect of degradation of suspended solid and chemical oxygen demand in coking sewage by filtering and that effect by chemical coagulation were researched and compared through testing.

  通过实验，研究、对比过滤、化学混凝降解焦化废水悬浮物、化学需氧量的效果。

• An experiment was made on the pharmaceutical wastewater treatment with the contact oxidation process by adding effective microorganisms (em) to remove the chemical oxygen demand (COD).

  应用生物接触氧化法投加有效微生物菌群(EM)对制药废水中化学需氧量的去除效果进行试验研究和分析。

• The influence factors of chemical oxygen demand (COD) and removal effect of chroma during the wet air oxidation of degradation-resistant pesticide wastewater with high salinity were investigated.

  采用湿式氧化技术研究高盐度、难降解农药废水在湿式氧化反应中COD去除率的影响因素及色度的去除效果。

• The purpose of studying the correlation of total organic carbon (TOC) with permanganate index and chemical oxygen demand (COD) has been stated.

  叙述了研究总有机碳与高锰酸盐指数及化学需氧量相关关系的目的。

• Temperature had an evident influence on chemical oxygen demand (COD) removal.

  温度对系统COD去除能力有着比较明显的影响。

• Sulfur dioxide emissions and chemical oxygen demand kept falling, down 5.95% and 4.42% respectively, and this trend became more firmly set.

  二氧化硫、化学需氧量排放量减少的势头得到巩固，全年分别下降5．95％和4．42％。

• According to the study, agriculture is responsible for 43.7% of the nation「s chemical oxygen demand (the main measure of organic compounds in water), 67% of phosphorus and 57% of nitrogen discharges.

  研究表明，水质43.7%的国家化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。

• A method for the rapid and accurate determination of chemical oxygen demand (COD) using potassiumdichromate as oxidant under new conditions is described in this paper.

  本文提出了一种以重铬酸钾为氧化剂在新的条件下快速及準确测定化学耗氧量（COD）的方法。

• The contents of petroleum hydrocarbons, chemical oxygen demand and chrome all meet the fishery water quality standard for major water areas in this Bay except a few estuary areas.

  除少数河口区外，胶州湾绝大多数海域的石油烃、化学耗氧量和金属铬含量均满足渔业水质要求。

• Chemical oxygen demand is one of the important index in water monitoring. In this paper, the recent development for determination of chemical oxygen demand is briefly summarized.

  化学需氧量是水质监测的一项重要指标。综述了化学需氧量的测定方法和研究进展。

• The method of flow injection analysis (FIA) is described for continuously measuring chemical oxygen demand (COD) in seawater.

  利用流动注射分析技术（FIA）快速、连续测定海水化学耗氧量（COD）。

• According to the study agriculture is responsible for 43.7% of the nation」s chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.

  研究表明，水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。

• Energy consumption per unit of GDP fell 19.1%, chemical oxygen demand by 12.45% and sulfur dioxide emissions by 14.29%.

  五年累计，单位国内生产总值能耗下降19.1%，化学需氧量、二氧化硫排放量分别下降12.45%、14.29%。

• Through analysis of hydrolysate component, soluble chemical oxygen demand (SCOD) mainly composed of protein (50%), carbohydrates (15% to 20%), volatile fatty acids (15% to 20%).

  水解液组分分析表明，溶解性化学需氧量(SCOD)主要组成为蛋白质(50%)、碳水化合物(15% ~ 20%)、可挥发性脂肪酸(15% ~ 20%)。

• The relationship between the mixed liquor suspended solid concentration, chemical oxygen demand and wastewater permeation pressure of the membrane was studied.

  考察了废水中悬浮物浓度及化学需氧量与炭膜渗透压的关系。

• This paper discusses in detail that coulometry quickly measures chemical oxygen demand of low polluted domestic sewage of the school and high polluted industrial sewage.

  本文详细论述了库侖法快速测定低污染的校区生活污水和高污染的工业污水中的化学耗氧量。

• A method based on all band ultraviolet scanning for measuring water chemical oxygen demand (COD) was introduced, and the method was applied to develop an on-line COD measuring instrument.

  介绍了一种基于紫外全波段扫描的水质化学需氧量(COD)测量技术以及运用该技术设计开发的在线COD测量仪器。