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- In general,stock raising,aquaculture and non-point source are the reasons for ammonia nitrogen pollution in inner-rivers whereas the sewage which isn't treated is the key pollutant source. 研究结果表明,畜牧水产业和非点源都是比较显著的氨氮污染源,但未经集中式污水处理厂处理的生活污水,则成为内河涌最重要的氨氮污染源。
- nitrogen pollution sources 氮污染源
- The nitrogen oxide, may inhale urban primary pollution sources and so on particles, many come from the automobile. 氮氧化物、可吸入颗粒物等城市主要污染源,许多来自汽车。
- After analyzing the characteristics of ammonia nitrogen pollution in Huaiyin section of Salt river,the sources of ammonia nitrogen are investigated. 在分析盐河淮阴段氨氮污染的特征后,对氨氮的来源进行了研究。
- After analyzing the characteristics of ammonia nitrogen pollution in Huaiyin section of Salt river, the sources of ammonia nitrogen are investigated. 摘要在分析盐河淮阴段氨氮污染的特征后,对氨氮的来源进行了研究。
- The main pollution sources include: slag, sewage water, smoke, and tail gas. 主要污染物有矿渣,污水,烟气、尾气等。
- Ammoniac nitrogen pollution is to bring about Jiang He laky water system one of main factors of eutrophication. 氨氮污染是导致江河湖泊水体富营养化的主要因素之一。
- The water pollution sources in Fushun city were investigated in 2002. 于2002年对抚顺市辖区内水污染源进行了调查。
- Road transport produces most of both types of gunk: 83% of the fine particles and 46% of the nitrogen pollution. 这两种黏性物质主要由公路交通产生:83%25的细颗粒物以及46%25的氮氧化物污染。
- Nitrogen pollution in water body can not only cause eutrophication but also has direct hazardous effects on animals and human beings. 水体的氮污染不仅可以引起水体富营养化,还可直接影响动物及人体的健康。
- Mulholland and his collaborators found that the filtering ability of streams couldn't keep pace with the flow of nitrogen pollution. 穆昊兰德和他的伙伴们发现,支流的过滤能力无法应对氮污染的侵蚀。
- The most pollution sources in Hubei province alu minium electrolysis enterprises are the electrobaths in their electrolysis works hops. 湖北铝电解企业的主要污染源是电解车间的电解槽。
- Nitrogen isotopic technique was used to study the situation and seasonal change of nitrogen pollution in inflowing rivers and an outflowing river of Hongfeng Lake in this paper. 利用氮同位素技术对贵州红枫湖各输入、输出河流氮污染状况和季节性变化规律进行了研究,并通过对输入河流和输出河流的氮对比,探讨红枫湖的氮负荷变化。
- China is the biggest pollution source on earth, how to stop it? 中国是地球上最大的污染源,我们该如何终止它?
- As an effective tracing method, stable nitrogen isotope is significant for studying the nitrogen cycling, especially for identifying source of nitrogen pollution. 稳定氮同位素作为一种有效的示踪手段,在研究氮循环特别是污染氮源的识别方面有重要意义。
- Fluoride accumulation and distribution in mulberry insects near fluoride pollution sources. 大气氟污染源附近食桑昆虫中氟的积累和分布。
- Chemicals residua in this waste water is a pollution source. 制革废水中的污染物源于材料的残余。
- China is the biggest pollution source on earth, how to stop it ? 中国是地球上最大的污染源,我们该如何终止它?
- As mentioned in the Introduction, the major pollution sources at this time were threefold. 本报告引言已提到,八十年代本港河溪有三大污染源。
- The improved analytic hierarchy process method for assessment of regional industrial pollution sources. 改进层次分析法评价区域工业污染源。