نتایج جستجو برای: fast neutrons
تعداد نتایج: 248250 فیلتر نتایج به سال:
Yields of neutron-rich isotopes produced by fast neutron induced fission of U were measured at the ISOL set-up Production d Atomes Radioactifs Riches en Neutrons. A surface ion source was used to ionize selectively elements with low ionization potentials. In order to observe also the most n-rich isotopes, the identification was achieved by a combined measurement of band c-rays and b-delayed neu...
Shortly before the Second World War time, Nishina reported on a series of prominent nuclear physical and radiochemical studies in collaboration with Kimura. They artificially produced (231)Th, a member of the natural actinium series of nuclides, by bombarding thorium with fast neutrons. This resulted in the discovery of (237)U, a new isotope of uranium, by bombarding uranium with fast neutrons,...
The mean effective cross sections of 6Li for the (n, u) reaction were calculated for thermal, intermediate and fast neutrons; this reaction is dominant in damage production in LiF crystals. The actual neutron spectrum was determined from measurements of thermal, intermediate and fast neutron fluxes, in the core of the IEA-RI-2MW swimming pool reactor, in high fluence conditions, by the activati...
Fast neutrons were used in the management of thirty patients with advanced salivary gland tumors. Twentytwo patients are the subject of this analysis. In only seven patients neutrons were used as the primary mode of management. The remaining patients either had recurrent disease after surgery and/or radiation, or received post-operative treatment with neutrons. After a minimum follow-up of one ...
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