1912 - 512 páginas
...change. This effect is ascribed by Soddy and Russell to secondary rays which are produced when the y rays strike up surrounding objects. An examination...lead base is 3.79, while for an iron base it is 3.83. O ZO 4O 60 80 100 110 140 IbO 180 Zoo 2ZO — Atomic. Weight — Fig. 3. Soddy and Russell give for...