Sentence Examples


  • The Becquerel rays have a marked chemical action on certain substances.
  • His Son, Alexandre Edmond Becquerel (1820-1891), was born in Paris on the 24th of March 1820, and was in turn his pupil, assistant and successor at the Musee d'Histoire Naturelle; he was also appointed professor at the short-lived Agronomic Institute at Versailles in 1849, and in 1853 received the chair of physics at the Conservatoire des Arts et Métiers.
  • (Avenarius, 1863.) (General type.) (Becquerel, 1863.) (Tait, 1870.) (Barus, 1889.) (Holborn and Wien, 1892.) (Paschen, 3893.) (Steele, 1894.) (Holman, 3896.) (Stanfield, 1898.) (Holborn and Day, 1899.) See sec. 15.) For moderate ranges of temperature the binomial formula of M.
  • Becquerel that the intensity of the effect depended on the thermoelectric power of the junction and was independent of its form or dimensions.
  • The infra-red requires special appliances; it has been examined visually by the help of phosphorescent plates (Becquerel), and with special photographic plates (Abney); but the most efficient way is to use the bolometer or radiomicrometer; by this means some 500 or 600 lines have been mapped.
 

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