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