Concept information
Preferred term
Definition
- 三个氧原子构成的分子;大气中的自然组成部分之一,在臭氧层或平流层含量最高;在地表上15km到30km被发现,可以阻止有害的紫外线到达地表,这种紫外线会引发皮肤癌,威胁植物生命。这层脆弱的防护盾正在被地球释放的化学物损坏,其中的主要化学物为含氯氟烃 (CFC),这种物质在冰箱中,气溶胶中用到。也被当作清洁剂,用在工业生产及灭火器中的碳、溴或卤的气体化合物中。当这些化学物释放高度放射性的氟和氯时,臭氧层便会受到损害。
Broader concept
Narrower concepts
- ozone depletion (en)
- 对流层臭氧
Belongs to group
Belongs to array
- ATMOSPHERE (air, climate) (en)
- gemet:groupCollection (gemet)
- gemet:superGroupCollection (gemet)
- NATURAL ENVIRONMENT, ANTHROPIC ENVIRONMENT (en)
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