Sentence Examples


  • Radium is analgesic and bactericidal in its action.
  • At Jachymov (Joachimsthal), in North Bohemia, radium is produced.
  • After removing the uranium, it was found that the bismuth separated with a very active substance - polonium; this element was afterwards isolated by Marckwald, and proved to be identical with his radiotellurium; that the barium could be separated with another active substance - radium; whilst a third fraction, composed mainly of the rare earths (thorium, &c.), yielded to Debierne another radioactive element - actinium, which proved to be identical with the emanium of Giesel.
  • It requires a radium salt of high radioactivity to be at all comparable in effectiveness with a good water-dropper.
  • About the beginning of the 10th century, however, the view was promulgated that the spontaneous production of helium from radium may be an instance of the transformation of one element into another.