101.   Children are especially vulnerable to ultraviolet radiation and need more than just protective lotions, she said.

102.   Clair said scientists need to examine the health risks of acidic fog, ultraviolet radiation and the loss of aquatic habitats.

103.   Children are especially vulnerable to ultraviolet radiation and need more than just protective lotions, Emmons said.

104.   Depletion of the ozone layer over Antarctica and the Arctic is being monitored because ozone protects Earth from harmful ultraviolet radiation.

105.   Depletion of the ozone layer over the Arctic and Antarctica is being monitored because ozone protects Earth from harmful ultraviolet radiation.

106.   Exposure to ultraviolet radiation from the sun is thought to be the most common cause of the genetic changes that lead to skin cancer.

107.   Evidence was also found of smaller increases in chlorofluorocarbons, refrigerants blamed for destroying the ozone layer that protects Earth from ultraviolet radiation.

108.   For four days, the ozone hole moved northward, exposing nearby ocean areas to ultraviolet radiation, Bojkov noted.

109.   If the vapor cloud is dense enough, Goldstein said, sunlight will cause the hydroxyl molecules to be visible to powerful telescopes using ultraviolet radiation detectors.

110.   Ozone helps block dangerous ultraviolet radiation from the sun.

a. + radiation >>共 243
ultraviolet 16.00%
solar 7.24%
infrared 4.21%
electromagnetic 3.50%
harmful 3.15%
nuclear 2.80%
dangerous 2.22%
intense 1.99%
increased 1.87%
external 1.75%
ultraviolet + n. >>共 58
light 33.58%
radiation 25.42%
ray 20.59%
telescope 3.90%
wavelength 1.11%
spectrum 0.93%
sunlight 0.93%
picture 0.74%
exposure 0.56%
laser 0.56%
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