当前对水体危害较大的是人为污染。
At present a greater hazard to the water body is man-made pollution.
对城市面源污染物的种类、来源和危害，以及对受纳水体的影响两方面综合进行分析；
The type, source and harm of pollutants of urban non-point source pollution and its influence on the receiving water are analyzed.
本文讨论了工业废水中常见的微量元素及其对人体健康的危害，着重讨论了汞、镉、砷、氟、铅等元素对水体的污染及对人体健康的危害。
The usual microelements in industrial sewage such as Hg. Cd. As. F. Pb. etc. and the harm to human health were investigated in this paper.
铝工业废渣堆场对环境的危害主要表现在对地下水及地表水体的污染，其主要污染物为碱、氟化物、铝及钠等。
The harmfulness of aluminium industrial residue deposit on environment mainly lies in its pollution of underground water and surface water.
氯酚化合物由于其对人类身体健康的危害和对环境所造成的污染，尤其是对水体和土壤的污染，被许多国家列为环境优先控制污染物。
Due to the harm to mankind's health and the pollution to environment, especially to water and soil, the chlorophenols was ranked with the priority controlled contamination in many countries.
本文阐述了邛海水体污染及其生态环境破坏的状况，剖析了污染源及其危害。
This article discusses the water pollution and the existing damage of ecological system of Lake Qionghai. Then, it analyzes the reason of the water pollution and its danger.
介绍了苯及其衍生物对水环境所造成的污染和危害，并对水体中该类污染物降解技术研究进展进行了综述。
The research progresses in degradation technologies of benzene or some of its derivatives in water was reviewed. The recent status of water pollution caused by these pollutants was briefly introduced.
为解决医院废水对周边水体的污染，避免危害人体健康，本文以青岛市某医院洗衣房废水为对象，采取水解酸化-接触氧化工艺进行处理。
The treatment of bleaching amd washing effluent from alkaline sodium sulfite pulping line by hydrolysis and bio-contact oxidation process is introduced.
为解决医院废水对周边水体的污染，避免危害人体健康，本文以青岛市某医院洗衣房废水为对象，采取水解酸化-接触氧化工艺进行处理。
The treatment of bleaching amd washing effluent from alkaline sodium sulfite pulping line by hydrolysis and bio-contact oxidation process is introduced.
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