Nitrification by the ultra-violet rays
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Article
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1911
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Elsevier Science
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English
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Spectrum of an Electrically Heated Carbon Rod. M. LA RosA. (Ann. Physik., xxxiv, 222.)--When a carbon rod of 2 or 3 mm. diameter is heated white hot by a current of 15-18 amp&res per square mm. passed through it, it is surrounded by a layer of incandescent gases, the spectrum of which was investiga