نتایج جستجو برای: borated polyethylene
تعداد نتایج: 31603 فیلتر نتایج به سال:
The presented work is aimed at the evaluation of cold bending capacity high-borated austenitic stainless steel sheets. Due to their excellent neutron-absorbing capability, borated steels belong group tailor-made structural materials widely used for vertical storage baskets holding spent nuclear fuel assemblies in cooling pools dry or wet facilities. basket consists individual assembly cells. Ea...
There is a wide range in the reported photon tenth value distance (TVD) in the maze of high-energy linear accelerator vaults. In order to gain insight into the appropriate use of the TVD value during door design, we performed measurements of the photon dose in the maze of four vaults. In addition, our study represents the first to describe a scenario where an inner borated polyethylene (BPE) do...
In the title compound, {[(di-methyl-amino)-meth-yl]di-methyl-amine}-trihydridoboron, C5H17BN2, the tetra-hedral geometry of the N-C-N unit is slightly disorted. As a result of the bulky amine substituents, a wider N-C-N angle of 113.6 (1)° is observed. The bond lengths between the N atom and methyl groups are slighly elongated to 1.481 (2) and 1.482 (2) Å at the borated N atom, whereas the dist...
Background: Changes in body composition may be used for monitoring progression/ regression of a disease. Prompt γ-rays in vivo neutron activation analysis (IVNAA) has been widely used for the measurement of body composition in recent years.Objective: In this paper, we tried to improve the safety of IVNAA operator.Methods: The most important factor for reducing the operator receiving dose is th...
Abstract The nuclear fusion waste generated by the activation of constitutent components Korean DEMOnstration reactor (K-DEMO) is assessed after end life (EOL). Based on results, an attempt made to classify radioactive (RW) according regulations RW classification and self-disposal standards. One hundred years EOL, most (∼90%) reduced ferritic/martensitic steel structures in tritium-breeding bla...
Monte Carlo simulations have been carried out using the FLUKA code to improve the neutron ambient dose equivalent [H*(10)] response of the ZReC (zirconium-lined portable neutron counter responding satisfactorily to neutrons up to 1 GeV) by introducing various neutron absorbers in the system such as cadmium, gadolinium, natural boron, enriched (10)B and borated polythene. It was found that ZReC ...
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