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- The organic pollution level is as follows(from high to low): Dasha River,campus pond,reservoir A,and reservoir B. 有机污染的程度由高到低依次为:大沙河、校园池塘、甲水库、乙水库。
- There is an increasing organic pollution in the environment, because human being is more and more relying on chemicals. 摘要随着人类对化学品的依赖程度越来越高,环境的有机污染状况也越来越严重。
- Nevertheless, it is a useful measurement because of the simplicity of analysis and its use in indicating the gross level of organic pollution. 然而,它也是一种有用的测量方法因为它简单的分析和在指出有机物污染总的水平的用途上。
- The results showed that the four (Chaohe River,Majia River,Zhangweixin River and Tuhai Riv-er)estuaries basically belonged to organic pollution type. 结果表明,潮河等四河口基本属有机污染型。
- Objective To find out the organic pollution actuality of the city drinking water so as to provide a basis for ensuring the health of civil inhabitant. 目的了解安徽省城市生活饮用水有机污染现状,为提高城市生活饮用水质量,保障居民身体健康提供依据。
- The pollution features of the river are the organic pollution seriously in icebound season and most of the toxicants from the point-source. 松花江的环境污染特征是有机污染冰封期加重和点源污染突出。
- Can dispel inorganic and organic pollutants, as well as toxicant. 可消除无机和有机污染物、有毒物。
- Can dispel inorganic and organic pollutants,as well as toxicant. 可消除无机和有机污染物、有毒物。
- PAHs are organic pollutants which exist in environment widely. 多环芳烃是一大类广泛存在于环境中的有机污染物。
- The BOD 5- DO is an important index that reflect s the organic pollution extent of water, but the variations of the index have clos e relationship with water temperature. 生化需氧量溶解氧(BOD5 DO)是反映水体有机污染程度的一个重要指标,而这些指标的浓度变化与水体温度有着密切关系。
- Based on the analysis of the malodorous black water bodies' background, the serious organic pollution of rivers and obvious tendency to eutrophication were demonstrated. 根据对其黑臭的背景分析,发现水体有机污染较严重,河道富营养化趋势较为明显。
- Based on the analysis of the malodorous black water bodies' background, the serious organic pollution of ricers and obvious tendency to eutrophication were demonstrated. 根据对其黑臭的背景分析,发现水体有机污染较严重,河道富营养化趋势较为明显。
- Use :This kind of products mixed with many kinds of highquality organic . It is safe to use , can remove gums , painting various kinds of organic pollution rapidly . 用途:本品是采用多种优质有机溶剂配成的产品,使用安全,又能迅速除去香口胶、粘胶油漆类各种有机污染物。
- Organic pollution results when large quantities of organic matter are discharged into a watercourse to be broken down by microorganisms, which utilize oxygen to the detriment of lie stream biota. 有机污染是这样产生的,如果大量有机物被排入河流,通过微生物的分解氧化从而损坏了河水里的生物群。
- These control measures have achieved a cumulative reduction of 6 200kilograms of organic pollution per day and the problem of waste from industrial,commercial and institutional premises being discharged into storm water drains has also been alleviated. 上述管制措施合共减少每日6200公斤有机污染物。工商业及机构楼宇将污水排入雨水渠的问题亦已纾缓。
- These control measures have achieved a cumulative reduction of 6 200kilograms of organic pollution per day and the problem of waste from industrial, commercial and institutional premises being discharged into storm water drains has also been alleviated. 上述管制措施合共减少每日6200公斤有机污染物。工商业及机构楼宇将污水排入雨水渠的问题亦已纾缓。
- The OC/EC ratio in nighttime ranging from 2.4 to 2.7 is higher than that in daytime ranging from 1.9 to 2.0. The organic pollution level and OC/EC ratio in Beijing is higher than other observation results in Japan and USA. OC/EC比值在夜间(2.;4-2
- In these two sites, the benthic animal community were mainly composed of oligochaeta and chironmus larva, they were adaptive to low concentration DO and were resistive to organic pollution. 西湖和青山水库底栖动物群落主要由寡毛类和摇蚊幼虫组成,存在适应低溶氧、耐有机污染的种群。
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。