Sentence Examples


  • Some part, however, seems to be derived from Thorium, And H.
  • Bumstead (60) Finds That With Longer Exposure Of The Wire The Relative Importance Of The Thorium Emanation Increases.
  • With Three Hours' Exposure He Found The Thorium Emanation Only From 3 To 5% Of The Whole, But With 12 Hours' Exposure The Percentage Of Thorium Emanation Rose To About 15.
  • These Figures Refer To The State Of The Wire Immediately After The Exposure; The Rate Of Decay Is Much More Rapid For The Radium Than For The Thorium Emanation.
  • (For the significance of this fact see Radioactivity.) The richest known source is thorianite, which consists mainly of thorium oxide, and contains 9.5 cc. of helium per gram.
 

How would you define thorium? Add your definition here.

comments powered by Disqus