نتایج جستجو برای: criticality nuclear fission
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In nuclear fission, a radioactive material like Uranium-235 is induced to decay into different element, converting some of its mass energy in the process. This process extracts stupendous quantities without CO2 emissions. Nuclear fission safe, preserving lives and likely environment, although more research needed regarding waste; it creates bonanza high-paying jobs; essential replacing coal com...
In fission yeast Schizosaccharomyces pombe, the nuclear envelope remains intact throughout mitosis and undergoes a series of symmetrical morphological changes when the spindle pole bodies (SPBs), embedded in the nuclear envelope, are pushed apart by elongating spindle microtubules. These symmetrical membrane shape transformations do not correspond to the shape behavior of an analogous system ba...
The cluster model of nuclear fission makes definite predictions about the charge distributions. The assumptions made in the computation of mass distributions have to be supplemented by the postulate of statistical sharing of the surplus protons and neutrons between light and heavy cluster. Given the mass distributions, the charge distributions are completely determined by statistical considerat...
equilibrium processes still pose a severe challenge to their theoretical description; thus, the realistic modelling of the fission process is far from being achieved at present times. This is a particular problem at low excitation energies, where the influence of nuclear structure is responsible for individual features, which are specific for each fissionning system. Thus, it is important to st...
Complex structural effects in the nuclide production from the projectile fragmentation of 1 A GeV U nuclei in a titanium target are reported. The structure seems to be insensitive to the excitation energy induced in the reaction. This is in contrast to the prominent structural features found in nuclear fission and in transfer reactions, which gradually disappear with increasing excitation energ...
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