有關(guān)保護(hù)環(huán)境的資料-資料下載頁
2025-06-29 03:23本頁面
【正文】 的擴(kuò)散、稀釋、氧化還原、生物降解等的作用。污染物質(zhì)的濃度和毒性會(huì)自然降低，這種現(xiàn)象叫做環(huán)境自凈。如果排放的物質(zhì)超過了環(huán)境的自凈能力，環(huán)境質(zhì)量就會(huì)發(fā)生不良變化，危害人類健康和生存，這就發(fā)生了環(huán)境污染。Because of the negative effects of highly developed industry expected is not enough, to prevent adverse, led to the global crisis of the big three: resource shortage, environment pollution and ecological destruction. Human constantly pollutants released into the environment. But due to the spread of the atmosphere, water, soil, etc, dilution, oxidation reduction, the role of biological degradation and so on. The pollutants concentration and toxicity will naturally reduce, this phenomenon is called environmental selfpurification. If emissions of material more than the environment selfpurification capability, environmental quality will change bad, harm to human health and survival, which the environmental pollution.
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