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O 3

UV-A. UV-B. UV-C. 320-400 nm. 290-320 nm. <290 nm. http://www.windows.umich.edu. O 2  ‘ O ’ + ‘ O ’ O 2 + ‘ O ’  O 3. O 3. NO 2  NO +’O’. O 2 + ’O’  O 3. O 3. UV-A. UV-B. UV-C. 320-400 nm. 290-320 nm. <290 nm. O 2  ‘ O ’ + ‘ O ’ O 2 + ‘ O ’  O 3. UV.

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O 3

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  1. UV-A UV-B UV-C 320-400 nm 290-320 nm <290 nm http://www.windows.umich.edu O2 ‘O’ + ‘O’ O2 + ‘O’ O3 O3 NO2 NO +’O’ O2 + ’O’  O3 O3

  2. UV-A UV-B UV-C 320-400 nm 290-320 nm <290 nm O2 ‘O’ + ‘O’ O2 + ‘O’ O3 UV O3 + X  O2 + OX OX + O  O2 + X O3 + O  2O2 O3 CFC !

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