biologic oxygen demand
更新时间:2026-08-13 21:48:38 栏目: 英语词典
更新时间:2026-08-13 21:48:38 栏目: 英语词典
读音 英 [ˌbaɪəlɒdʒɪk ˈɒksɪdʒən dɪmɑːnd];美 [ˌbaɪəlɑːdʒɪk ˈɑːksɪdʒən dɪmænd] 意思 “biologic oxygen demand”意思是“生化需氧量”,是指在一定期间内,微生物分解一定体积水中的某些可被氧化物质,特别是有机物质所消耗的溶解氧的数量。
它是衡量水体污染程度的一个重要指标。
网络释义 在环境科学、水质监测、污水处理等领域广泛应用。
常出现在相关学术研究论文、环境报告、污水处理厂运行记录等资料中,用于评估水体受有机物污染的状况,以便制定相应的环境保护和治理措施。
常用搭配短语 biochemical oxygen demand (BOD)(生化需氧量,更常用的缩写形式) five - day biochemical oxygen demand(五日生化需氧量,常写作 BOD₅ ,是最常用的测定指标) high biochemical oxygen demand(高生化需氧量,表示水体污染严重) 造句 The biologic oxygen demand of this river has increased significantly due to industrial waste discharge.(由于工业废水排放,这条河的生化需氧量显著增加。)
Monitoring the biologic oxygen demand is crucial for assessing the water quality of lakes.(监测生化需氧量对于评估湖泊水质至关重要。)
The wastewater treatment plant aims to reduce the biologic oxygen demand of the effluent.(污水处理厂旨在降低排放污水的生化需氧量。)
High levels of biologic oxygen demand in the water indicate severe organic pollution.(水中高生化需氧量表明存在严重的有机污染。)
Scientists measure the biologic oxygen demand to understand the health of aquatic ecosystems.(科学家测量生化需氧量以了解水生生态系统的健康状况。)
The biologic oxygen demand of the sample was within the acceptable range after treatment.(经过处理后,样本的生化需氧量在可接受范围内。)
We need to take immediate action to address the increasing biologic oxygen demand in the local water bodies.(我们需要立即采取行动应对当地水体中不断增加的生化需氧量问题。)
The laboratory is equipped to accurately measure the biologic oxygen demand of water samples.(该实验室具备准确测量水样生化需氧量的设备。)
Comparing the biologic oxygen demand before and after treatment can show the effectiveness of the wastewater treatment process.(比较处理前后的生化需氧量可以显示污水处理过程的有效性。)
Lowering the biologic oxygen demand of sewage is an important goal for environmental protection.(降低污水的生化需氧量是环境保护的一个重要目标。)