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ozone    音标拼音: ['oz,on]
n. 新鲜的空气,臭氧

新鲜的空气,臭氧

ozone
n 1: a colorless gas (O3) soluble in alkalis and cold water; a
strong oxidizing agent; can be produced by electric
discharge in oxygen or by the action of ultraviolet
radiation on oxygen in the stratosphere (where it acts as a
screen for ultraviolet radiation)


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  • Ozone - Wikipedia
    While this makes ozone a potent respiratory hazard and pollutant near ground level, a higher concentration in the ozone layer (from two to eight ppm) is beneficial, preventing damaging UV light from reaching the Earth's surface
  • What is Ozone? - US EPA
    Ozone contributes to what we typically experience as "smog" or haze, which still occurs most frequently in the summertime, but can occur throughout the year in some southern and mountain regions
  • Ozone - American Lung Association
    As ozone concentrates and mixes with other pollutants, we often call it by its older, more common name—smog It is currently one of the least well-controlled pollutants in the United States and is also one of the most dangerous
  • Nasa Ozone Watch: Ozone facts
    Ozone protects life on Earth from the Sun’s ultraviolet (UV) radiation In the lower atmosphere (the troposphere) near the Earth’s surface, ozone is created by chemical reactions between air pollutants from vehicle exhaust, gasoline vapors, and other emissions
  • Ozone | Definition, Properties, Air Pollution, Importance, Structure . . .
    Ozone is a triatomic allotrope of oxygen (a form of oxygen in which the molecule contains three atoms instead of two as in the common form) that accounts for the distinctive odor of the air after a thunderstorm or around electrical equipment
  • Ozone and You | Ozone Secretariat
    The ozone layer is a region of high ozone concentration in the stratosphere, 15 to 35 kilometres above Earth's surface The ozone layer acts as an invisible shield and protects us from harmful ultraviolet (UV) radiation from the sun
  • What is Ozone (O₃)? - Clean Air Initiative
    Quick Answer: Ground-level ozone (O₃) is a colorless gas that forms when nitrogen oxides (NOₓ) and volatile organic compounds (VOCs) react in sunlight Unlike protective ozone in the upper atmosphere, ground-level ozone is a harmful air pollutant that can damage your lungs and respiratory system
  • Ozone - gcos. wmo. int
    Ozone (O3) is a naturally occurring trace gas in the stratosphere that inhibits harmful UV radiation from reaching Earth’s surface Ozone in the troposphere is a pollutant, harmful to all living things Ozone is strongly linked to climate by its influence on Earth’s radiation budget
  • The Exposure–Response Curve for Ozone and Risk of Mortality and the . . .
    Time-series analyses have shown that ozone is associated with increased risk of premature mortality, but little is known about how O 3 affects health at low concentrations
  • Information on Ozone and Ozone Depletion | US EPA
    This page describes what ozone is and provides links to learn more about its effects and consequences





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