نتایج جستجو برای: fission of uranium
تعداد نتایج: 21167870 فیلتر نتایج به سال:
A number of neutronics JNIR big uranium target are simulated towards the planning experimental investigations aimed to transmutation radioactive waste. Integral data neutron yield and energy spectra given for several homogeneous spallation targets which planned be used as insertions in blanket. Combined also interest, because it can help obtain an optimal spectrum effective burning long-lived f...
B. Sun1,2, R. Knöbel1,3, H. Geissel1,3, Yu. A. Litvinov1,3, K. Beckert1, F. Bosch1, D. Boutin1,3, C. Brandau1, L. Chen3, I. Cullen4, C. Dimopoulou1, B. Fabian3, M. Hausmann5, O. Klepper1, C. Kozhuharov1, S. A. Litvinov1,3, M. Mazzocco1,6, F. Montes5, G. Münzenberg1, A. Musumarra7,8, S. Nakajima9, C. Nociforo1, F. Nolden1, T. Ohtsubo10, A. Ozawa11, Z. Patyk12, W. R. Plaß3, C. Scheidenberger1,3, ...
Fossil tracks of charged particles have been observed in minerals separated from the Vaca Muerta mesosiderite. Irradiation of samples of the meteorite with thermal neutrons in a nuclear reactor, together with measurements of track-length distribution, indicate that some of the tracks result from the spontaneous fission of uranium impurities; others, however, are of different origin. Uranium con...
Uranium and calcium contents in human bones (skull, rib and femur) were determined by the fission track method and the inductively coupled plasma-atomic emission spectroscopic method (ICP-AES), respectively. The U/Ca concentration ratio in the bones was found to decrease in the order of rib greater than femur greater than skull, which is in accordance with the decreasing order of the mean annua...
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