水污染化学
- 网络water pollution chemistry
水污染化学
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DDT和六六六的水污染化学地理行为
Behaviour of DDT and BHC in aquatic polluted chemical geography
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从水污染到化学武器消除都做
from clean water to disarmament of chemical weapons .
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国家环保总局表示,二氧化硫排放量的下降,加之衡量水污染状况的化学需氧量(cod)指标也略有降低,表明强化污染治理工作取得“明显成效”。
Taken together with a small decline in recorded chemical oxygen demand , a water-pollution indicator , the SO2 fall showed the " clear results " of strengthened anti-pollution work , SEPA said .
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不要在管道系统中添加任何可能会造成饮用水污染的任何化学物品。
DO NOT add any chemicals to the system piping which will contaminate the potable water supply .
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广州地区水资源污染的地球化学环境研究
Geochemical Study on Water Resource Pollution in Guangzhou Area