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Related to ozone: ozone hole, Ozone generator, Ozone therapy
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References in periodicals archive ?
This image shows projected ozone concentrations for the year 2042, with (left) and without (right) the Montreal Protocol to reduce CFCs begun in the 1980s.
This year also showed a change in the concentration of ozone over the Antarctic.
The ozone layer helps protect the planet's surface from harmful ultraviolet radiation.
High levels of ozone can put babies at risk for intrauterine growth retardation, the researchers said.
Although ozone didn't affect the number or viability of lung macrophages, it severely impaired the cells' capacity to engulf particles.
The measurement system incorporates the company's field-proven and time-tested ozone monitor which employs the ultraviolet absorption principle for ozone measurement.
Once ozone is blown out of the city and into the countryside, where nitric oxide concentrations are low, the ozone remains in the atmosphere longer.
About 90 percent of atmospheric ozone exists in the stratosphere, 16 to 48 km (10 to 30 mi) above Earth's surface.
No one disputes that stratospheric ozone recovery is one of the environmental movement's great success stories.
Along with oxides of nitrogen, ozone is an oxidant--that is, an unstable compound that will break down in such a way as to release atomic oxygen.
Like an acid," Gore warns in his tome Earth in the Balance: Ecology and the Human Spirit, chlorine from man-made refrigerants called chlorofluorocarbons (CFCs) "burns a hole in the earth's protective ozone shield above Antarctica and depletes the ozone layer worldwide.
GAINSVILLE, Fla -- Ozone, the gas that protects the Earth from ultraviolet radiation, gives U.