... skin from 7-dehydrocholesterol by following the exposure to ultraviolet radiation ... by registration of the absorption spectrum in ultraviolet zone of spectrophotometer ...
... operating in wavelengths ranging from the ultraviolet to mid-infrared, integrating ... to be available on SRG, will be extremely effective for selection of accreting and ...
... from several tenths of a magnitude up to 6 mag in V. The amplitude is considerably greater in the ultraviolet spectral region ... Secondary minima may be absent. An extremely wide range of periods is observed, from 0.2 to >= 10000 days. ...
... Ultraviolet light is far more effective in production chemical reactions than ... of such a star would result in an extremely dense object about ten miles in diameter ...
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... were more reactive toward hydroxylamine and 2,4-dinitrophenylhydrazine, however the products formed were extremely unstable ... Ber. 1927, 60B, 1607-17. Armarego, W. L. F. Ionization and ultraviolet spectra of indolizines. J. Chem. Soc. 1964, 422633. ...