منابع مشابه
Neutron fluctuations: The importance of being delayed.
The neutron population in a nuclear reactor is subject to fluctuations in time and in space due to the competition of diffusion by scattering, births by fission events, and deaths by absorptions. As such, fission chains provide a prototype model for the study of spatial clustering phenomena. In order for the reactor to be operated in stationary conditions at the critical point, the population o...
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Background: Neutron contamination in our environment can cause harmful biological effects on human body. Therefore, many efforts have been made to construct a neutron dosimeter to estimate the received dose. Objective: To design a simple neutron dosimeter. Methods: The primary dosimeter had 3He as a spherical thermal neutron detector encircled by paraffin 10 cm in radius. Then, the paraffin sph...
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Huntington’s disease (HD) is an autosomal dominant neurodegenerative disorder caused by a polyglutamine expansion in the huntingtin protein. Recent research demonstrates that post-translational modifications of huntingtin could be an important determinant of mutant huntingtin’s toxicity in HD. In particular, phosphorylation at residues serine 13 and 16 within the first 17 amino acids of hunting...
متن کاملA Preliminary Comparison of MCNP6 Delayed Neutron Emission from
A Description of the Experiment The DNC system at RMCC uses the SLOWPOKE-2 reactor [2] as a source of neutrons. Samples containing 235 U were prepared as acidified aqueous solutions from certified reference standards (natural U standard CRM 4321C, NIST, Gaithersburg, MD, and depleted U standard CRM U005A 0.5064 ± 0.0003 atom% U, New Brunswick Laboratory, Argonne, IL). Each solution was containe...
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Influence of various sets of evaluated six-group delayed neutron parameters on kinetic parameters P e[f and P e f f / A is analyzed. The comparative study of the kinetic parameters is made for the coupled fast-thermal system HERBE at the Vinca Institute. Methods of calculation and measurement techniques used in this analysis are described. The results of calculations are compared with measureme...
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ژورنال
عنوان ژورنال: Physical Review
سال: 1949
ISSN: 0031-899X
DOI: 10.1103/physrev.75.1127