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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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  • What is Ozone? | US EPA - U. S. Environmental Protection Agency
    Ozone (O3) is a highly reactive gas composed of three oxygen atoms It is both a natural and a man-made product that occurs in the Earth's upper atmosphere (the stratosphere) and lower atmosphere (the troposphere) Depending on where it is in the atmosphere, ozone affects life on Earth in either good or bad ways
  • Ozone - American Lung Association
    Ozone (also called smog) is one of the most dangerous and widespread pollutants in the U S It may be hard to imagine that pollution could be invisible, but ozone begins that way As ozone concentrates and mixes with other pollutants, we often call it by its older, more common name—smog
  • 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
  • NASA Ozone Watch: Latest status of ozone
    View the latest status of the ozone layer over the Antarctic, with a focus on the ozone hole Satellite instruments monitor the ozone layer, and we use their data to create the images that depict the amount of ozone
  • Q1 What is ozone, how is it formed, and where is it in the atmosphere?
    Ozone is a gas that is naturally present in our atmosphere Each ozone molecule contains three atoms of oxygen and is denoted chemically as O 3 Ozone is found primarily in two regions of the atmosphere About 10% of Earth’s ozone is in the troposphere, which extends from the surface to about 10–15 kilometers (6–9 miles) altitude
  • What Is Earth’s Ozone Layer and Why Is It Important?
    The ozone hole, though still present, began to stabilize And slowly, slowly, the shield began to mend The Ripple Effect: Ozone and Climate Interestingly, the story of the ozone layer has unexpected ties to climate change While ozone depletion and global warming are distinct problems, they intersect in fascinating ways
  • What Is Ozone? Definition and Facts - Science Notes and Projects
    Ozone is an inorganic oxygen molecule with the chemical formula O 3 It is a reactive allotrope of oxygen that also goes by the name trioxygen Ozone protects the planet from harmful ultraviolet radiation, yet is also acts as a pollutant near the Earth’s surface and carries health risks
  • Home | Ozone Secretariat
    The Vienna Convention for the Protection of the Ozone Layer When did we realize ozone depletion was an issue, and how did we fix it? By 1985, the globe had already seen advancements in the scientific understanding of ozone depletion and its impacts on human health and the environment
  • Science - Ozone Basics - National Oceanic and Atmospheric Administration
    Ozone is mainly found in two regions of the Earth's atmosphere Most ozone (about 90%) resides in a layer that begins between 6 and 10 miles (10 and 17 kilometers) above the Earth's surface and extends up to about 30 miles (50 kilometers) This region of the atmosphere is called the stratosphere
  • Air Pollution Ozone - GreenFacts
    Ozone (O 3) is a gas that can form and react under the action of light and that is present in two layers of the atmosphere High up in the atmosphere, ozone forms a layer that shields the Earth from ultraviolet rays However, at ground level, ozone is considered a major air pollutant





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