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Ștefania Mărăcineanu
Ștefania Mărăcineanu (June 18, 1882 - 1944) was a Romanian physicist.
==Biography==
Less is know about her personal life, only that she had an unhappy childhood. Mărăcineanu received her degree in physical and chemical sciences in 1910, going on to teach at the Central School for Girls in Bucharest. Shen travelled to Paris to do research at the Radium Institute with Marie Curie from around 1919 until 1926, where she also received her doctorate in 1924. At the Radium Institute, Mărăcineanu researched the half-life of polonium and devised methods of measuring alpha decay.〔 This work led her to believe that radioactive isotopes could be formed from atoms as a result of exposure to polonium's alpha rays; an observation which would lead to the Joliot-Curies' 1935 Nobel Prize. She also investigated the possibility of sunlight inducing radioactivity; work which was contested by other researchers.〔
Mărăcineanu went on to work at the Paris Observatory until 1930, after which she returned to Romania and performed experiments investigating the link between radioactivity and rainfall, and rainfall with earthquakes. She died in 1944, though the exact date and reason are unknown.〔
She claimed, with the help of Romanian Science Academy that she discovered the artificial radioactivity and she deserved to share the Nobel prize with Irene Curie, this leading to isolation from the foreign science world.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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