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1·Biochemical oxygen demand (BOD) is one of the most important indexes in water monitoring.

生化需氧量(BOD)是水质监测中最重要的指标之一。

2·The two methods used for measuring standard samples and all sewage biochemical oxygen demand.

用上述两种方法测定标准样品、各种污水的生化需氧量进行差异性比较。

3·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准。

4·The biochemical oxygen demand process satisfied the first-order kinetic equation in this close system.

酚类化合物在该封闭模拟海水体系中的生化耗氧过程符合一级动力学方程。

5·Biochemical oxygen demand — the measure of the oxygen demand placed on a stream by any particular volume of effluent.

生化耗氧量——在由特定容量排放的小河中氧需求的测量。

6·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。

7·This paper discussed the influence on the biochemical oxygen demand, ammoniation and nitrosation by barium of different levels in water.

本文就不同浓度的钡对天然水的生化需氧过程、氨化及亚硝化过程的影响进行了探讨。

8·BOD (biochemical oxygen demand) is an important index to evaluate the quality of water in environmental monitoring and sewage treatment.

即生化需氧量，是环境监测与污水处理中评价水质的一项重要指标。

9·Biochemical oxygen demand, BOD is necessary for water quality evaluation. It is an important index in measuring organic materials pollution.

生物化学需氧量bod是水质评价的必测项目，是衡量有机物对水质污染的重要质量指标。

10·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。