THE ABIOTIC ACTION OF ULTRA-VIOLET LIGHT
1917 ◽
Vol 26
(6)
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pp. 841-848
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Keyword(s):
Typhoid bacilli are about one two-hundredth as sensitive to ultraviolet light of wave-lengths 2100 to 2800 Ångström units as is the photographic plate. This sensitivity then falls off, decreasing rapidly to almost zero sensitivity at about 2970, the beginning of the sun's spectrum.
1943 ◽
Vol 121
(3)
◽
pp. 222
Keyword(s):
2015 ◽
Keyword(s):
Keyword(s):
Keyword(s):
1960 ◽
Vol 22
(3)
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pp. 114-116
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