英语释义

1. biochemical oxygen demand

2. biochemical oxygen demand

片语

sediment oxygen demand产生较高的底泥耗氧率

oxygen supply demand balance氧供需平衡

Volumetric oxygen demand容量需氧量

Chemistry Oxygen Demand化学需氧量

ThODTheory Oxygen Demand理论需氧量

COD Chemical oxygen demand化学需氧量

biological control oxygen demand生物耗氧量

oxygen n demand需氧量

biological oxygen demand[微] 生物需氧量

英汉例句

• 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。

• biochemical oxygen demand over five days - bod5: the standard biochemical oxygen demand test whereby a sample of the liquid is incubated at 20 degrees c for five days.

  五天生化需氧量（简写为bod5）：标準的生化需氧量试验。其方法是把一份溶液的样品在摄氏20度下培养五天。

• 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。

• the result indicated that the main pollution target of this section is permanganate index, five days」 biochemical oxygen demand and ammonia nitrogen.

  评价结果表明：该段主要污染指标高锰酸盐指数、五日生化需氧量、氨氮。

• 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。

• the simulation on the platform of sewage disposal is made for the soft sensor model of biochemical oxygen demand (bod) and some better results are obtained.

  在污水处理过程仿真平台展开验证 工作，对生化需氧量bod的软测量进行建模，获得了良好的实验结果。

• measurements of the chemical oxygen demand and the concentration of the anionic surfactants were used to follow the oxidation.

  测量的化学需氧量和浓度的阴离子表面活性剂是用来跟蹤氧化。

• the automatic analytical method to determinating chemical oxygen demand in seawater was established through experiments by adopting flow injection spectrophotometry (fis).

  本文通过实验研究并建立了流动注射分光光度法测定海水中化学需氧量的自动分析方法。

• chemical oxygen demand (cod) is the representative index of sewage water.

  化学需氧量（简称cod）是水质污染程度的代表性指标。

• the chemical oxygen demand is referred as important indicator of organic substance in water.

  化学需氧量是水体中有机物含量的重要指标。

• 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。

• this mimics the process of deep hypothermic circulatory arrest that is achieved when cardiopulmonary bypass machines cool a patient」s blood until the oxygen demand of organs and tissue is nearly zero.

  这样模拟了深低温停循环过程，这个过程中心肺转注机降低病人血温，以使组织器官氧需接近为零。

• biochemical oxygen demand - bod: a measure of the amount of pollution by organic substances in water.

  生化物需氧量（简写为bod）：一种衡量有机物在水中的污染量的标準。

• studying the distribution of oxygen demand over the aeration tank a design concept of sectional control of the do concentration was proposed on the basis of oxygen transfer in wastewater.

  本文通过对曝气池需氧量及其分布规律的探讨，运用传氧理论提出了分段控制曝气池溶解氧浓度的设计概念。

• chemical oxygen demand discharges: 30.3 billion tonnes (44% from agriculture)

  化学需氧量：303亿吨（44%来自农业）