31. Radium mined during the early years of this site supplied Madame Curie.32. Pregel became interested in the radium department of this company. 33. Radium bromide was found to induce phosphorescence at normal temperatures.34. Radium does not emit anything other than alpha decay particles.35. :: Actually polonium is much more radioactive than radium . 36. Radium radionuclides emit alpha and beta particles as well as gamma rays.37. Important buildings designed by �vergaard include the Norwegian Radium Hospital. 38. The title of the lecture was " Radium and other fluorescent substances. 39. This limitation was designed to also limit other contaminants such as radium . 40. In 1940, the American Radium Society gave her the Janeway Medal.
