1.   Avoid too much exposure to damaging ultraviolet light.

2.   If a mutant strain appears that eschews recombination, it proves to be especially susceptible to damage by ultraviolet light.

3.   Melanin producing cells in our bodies are activated by ultraviolet light from the sun and can have a protective effect.

4.   Other experts suggested the use of high-frequency sound waves or ultraviolet light.

5.   Ozone in the stratosphere forms a natural shield to filter harmful ultraviolet light.

6.   Right, the same flower as seen by a bee, photographed in ultraviolet light.

7.   Strictly speaking the extreme ultraviolet light does not come from a laser, but it does retain the coherence of the original.

8.   Such gases, mixed with water vapour, were subjected to electrical discharge and ultraviolet light.

9.   Ultraviolet light is a mixed blessing as far as living things are concerned.

10.   Ultraviolet light, hydrogen peroxide and ozone assure crystal-clear, clean water.

a. + light >>共 958
bright 7.76%
new 3.57%
street 2.97%
ultraviolet 2.86%
natural 2.76%
first 2.56%
blue 2.40%
different 2.35%
fluorescent 2.21%
white 2.10%
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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