نتایج جستجو برای: californium
تعداد نتایج: 143 فیلتر نتایج به سال:
A concrete room with a single-legged maze was constructed in order to simulate a medical accelerator room. Gamma and neutron measurements were performed along the maze with a) a 252 Cf source and b) a tungstenmoderated Cf source placed inside the room. The measurements were repeated after placing an inner borated polyethylene door of varying thickness (2.54 -10.16 cm) at 2 different locations. ...
The branching ratio of the two modes of decay of Fm'", i.e., E.C./n, was found to be about 8.5—which gives 89.5% decay by electron capture and 10.5% by alpha emission. It was not possible to measure the cross section for the Cf'"(n, 3n)Fm'" reaction because Fm'" could also be produced from other californium isotopes in the target. A previous publication4 on a possible identification of the Fm'"...
Our paper Actinium: A RESTful Runtime Container for Scriptable Internet of Things Applications presents an architecture to make programming of Internet of Things applications significantly easier. Traditional programming models, stemming from networked embedded systems and wireless sensor network research, require developers to be knowledgeable in various technical domains, from low-power netwo...
Berkelium (Bk) has been predicted to be the only transplutonium element able to exhibit both +III and +IV oxidation states in solution, but evidence of a stable oxidized Bk chelate has so far remained elusive. Here we describe the stabilization of the heaviest 4+ ion of the periodic table, under mild aqueous conditions, using a siderophore derivative. The resulting Bk(IV) complex exhibits lumin...
The neutron-induced fission cross sections were simultaneously evaluated for the JENDL-5 library $^{233,235}$U and $^{239,241}$Pu from 10 keV to 200 MeV $^{238}$U $^{240}$Pu 100 MeV. Evaluation was performed by least-squares fitting of Schmittroth's roof function logarithms experimental section ratios in EXFOR library. A simultaneous evaluation code SOK used with its extension data arbitrary un...
Pressure-driven 5f localized-itinerant transition and valence fluctuation in cubic phase californium
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