نتایج جستجو برای: fission of uranium
تعداد نتایج: 21167870 فیلتر نتایج به سال:
Background and Objectives: Increased growing nuclear industry has increased the researchers concerns on uranium presence in the environment and its effects on human health. Uranium is a dangerous radioactive heavy metal with high half-life and chemical toxicity. Therefore, the main objective of this study was to removal uranium (VI) from aqueous solution by uranium benzamide complex using AC_Fe...
As part of the development of equipment and innovative technology for the process flow-sheet, a study on the selection of good resin for uranium uptake is ongoing. Both static and dynamic column equilibrium testing upon synthetic and Gattar pregnant leach solutions (PLS) were carried out to estimate the change of total capacity and breakthrough capacity of the commercial macroporous anion excha...
Thorium fuels have attracted researcher’s attention due to the reduction of uranium deposits in the world, more abundances than uranium, and the ability to be breeding in thermal and fast reactors. This study aimed to investigate the radiation safety and the amount of necessary shielding for the transportation of spent thorium fuel in the Tehran Research Reactor. The ORIGEN and MCNPX computatio...
The Oklo phenomenon, natural fission reactors which had taken place in Gabon about 2 billion years ago, provides one of the most stringent constraints on the possible time-variability of the fine-structure constant α. We first review briefly what it is and how reliable it is in constraining α. We then compare the result with a more recent result on the nonzero change of α obtained from the obse...
Abstract To enhance the production of medium-heavy, neutron-rich nuclei, and to facilitate measurements independent yields neutron-induced fission, a proton-to-neutron converter dedicated ion guide for fission have been developed IGISOL facility at University Jyväskylä. The holds fissionable targets, products emerging from targets are collected in helium gas transported downstream experimental ...
It is important to reduce the amount of trans-uranium (TRU) produced from existing nuclear power plants realize sustainable energy since some TRU nuclides remain for a long time and have high radioactivity radiotoxicity. One promising solutions transmute those with lesser radiotoxicity in reactors. In current scheme, are transmuted fast reactors and/or accelerator-driven-systems, however, this ...
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