alpha-radiation
121Carcinogen — The term carcinogen refers to any substance, radionuclide or radiation that is an agent directly involved in the promotion of cancer or in the fatation of its propagation. This may be due to ability to damage the genome or to the disruption of… …
122Neutron howitzer — The name Neutron Howitzer was given to a neutron source that was developed after it was discovered in the 1930s that alpha radiation that strikes the Beryllium nucleus would release neutrons. The high speed of the alpha is sufficient to overcome… …
123Radiochemistry — is the chemistry of radioactive materials, where radioactive isotopes of elements are used to study the properties and chemical reactions of non radioactive isotopes (often within radiochemistry the absence of radioactivity leads to a substance… …
124Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear …
125Rutherford , Ernest — Rutherford , Ernest, first baron Rutherford of Nelson (1871–1937) New Zealand physicist Rutherford, who was born at Nelson in New Zealand, was certainly the greatest scientist to emerge from that country; he can also fairly be claimed to be one… …
126Geiger-Müller tube — A Geiger Müller tube (or GM tube) is the sensing element of a Geiger counter instrument that can detect a single particle of ionizing radiation, and typically produce an audible click for each. It was named for Hans Geiger who invented the device …
127Nikolaus Riehl — Born December 5, 1901 Saint Petersburg, Russia Died …
128radium — /ray dee euhm/, n. 1. Chem. a highly radioactive metallic element whose decay yields radon gas and alpha rays. Symbol: Ra; at. wt.: 226; at. no.: 88. 2. a lustrous rayon or silk fabric constructed in plain weave and used in women s apparel,… …
