نتایج جستجو برای: uranium compounds
تعداد نتایج: 235334 فیلتر نتایج به سال:
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Porcelain teeth have been widely used in restorative and prosthetic dentistry because of their fine natures in aesthetics and hardness as an artificial denture. Among them there are some to which the uranium compounds have been added in order to simulate the fluorescence of the natural teeth. Recently, it was pointed out by several researchers that the radiations from uranium and its descendant...
The production of nuclear fuel used in the research reactor at Instituto de Pesquisas Energéticas e Nucleares (IPEN/CNEN-SP) requires a series of chemical and metallurgical processes. The quality of the end product depends on the control over all the stages of the manufacturing process and over the quality of raw materials employed. In fact, spectrometric methods are increasingly used as quanti...
Theoretical calculations suggest a novel two-electron three-atom bonding scheme for complexation of O 2 with U(V) compounds, leading to the stabilization of superoxo complexes in the side-on (eta (2)) configuration. This binding motif is likely to play an important role in the oxidative processes involving trans-uranium compounds having valence 5f phi electrons.
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