artificial radioactivity
Exemple din articole cu artificial radioactivity
- In 1990, a Greenpeace team found artificial radioactivity in microscopic plants and animal organism floating in bodies of water.
- It was preceded by the discovery of neutrons (James Chadwick; England, 1932) and artificial radioactivity (Irene and Frederic Joliot-Curie, France, 1933).
- In 1934, Frederic and Irene Joliot-Curie in France were the first to produce artificial radioactivity by bombarding elements with alpha particles, which are emitted as positively charged helium nuclei from polonium.
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