نتایج جستجو برای: xcom

تعداد نتایج: 72  

Journal: :The Philippine journal of science 2021

In this study, the investigation of Electron-Photon Interaction Cross Sections 2017 (EPICS2017) library on radiation shielding properties several clay materials is presented. The EPICS2017 was interpolated in recommended interpolation law through EpiXS program. Calculations were made for mass attenuation coefficients (MACs), mean free paths (MFPs), half-value layers (HVLs), tenth-value (TVLs), ...

Journal: :Acta Physica Polonica A 2023

Refractory high entropy alloys constituted of refractory alloying elements, such as W, Zr, Nb, Ti, Mo, Ta, and Hf, are great interest due to their widespread use in areas the defense, aerospace, nuclear power generation industries. one subgroups evaluated candidates for replacements superalloys commonly used at temperatures good mechanical properties corrosion oxidation resistance temperatures....

Journal: :Nuclear Technology & Radiation Protection 2021

The X-rays of the narrow-spectrum N-series ranging from 40 kV to 150 were used determine radiation attenuation ability a new category polymer composite fabricated for shielding purposes. High density polyethylene was synthesized through compression molding technique, and incorporated with various filler amounts (10, 15, 25, 35 wt.%) bulk micro-sized WO 3 (Sample A), two nanoparticles 45 nm B), ...

Journal: :International journal of computational and experimental science and engineering 2022

Due to the development of nuclear technology and use technologies in various fields industry, medicine, research makes it part our life. Thus protection against ionizing radiation is one most important topics this field as exposure gamma leading several health effects result absorption by human body. The purpose work develop special steel measure their shielding properties. frequently used mate...

Journal: :Results in physics 2021

This study aims to perform multidirectional characterizations on nuclear shielding efficiencies some bismuth-based glasses. Accordingly, the γattenuation coefficients for xBi2O3-(75-x)B2O3–25Li2O (x = 0, 10, 20, 30, 40, 50, 60 70 mol%) were widely evaluated using simulations and theoretical methods. Linear attenuation coefficient (LAC) of glasses was obtained by Monte Carlo general-purpose simu...

Journal: :Nuclear Technology & Radiation Protection 2021

Polymer composites of polyvinyl chloride, PVC, were loaded up with micro and nano PbO/CuO particles. The added percentage each by mass was 10 wt.%, 20 30 40 plus wt.% mixed composite (20 CuO + PbO). linear attenuation coefficients the investigated measured as a function gamma-ray energies going from 59.53 keV to 1408.01 utilizing standard radioactive point sources. To confirm validity these res...

Journal: :Nuclear Technology & Radiation Protection 2022

Lead oxide (PbO) bulk and nanoparticles of two different sizes (A = 78 nm B 54 nm) are incorporated separately into the polystyrene matrix at various concentrations (0, 10, 15, 25, 35 %) using roll mill mixing compressing molding techniques. The X-ray narrow-spectrum series (N-series / ISO 4037-1) is then used to investigate radiation attenuation capability novel polymer composite PS/PbO, as we...

Journal: :Radiation Physics and Chemistry 2021

Chemical compounds such as polydimethylsiloxane (PDMS) and hydrogen silicone (HS) have been extensively used for fabricating medical phantoms due to its human tissue equivalency. This study aimed evaluate the mass attenuation coefficient, effective atomic number, other radiation properties of various samples verify best material that can be simulate kidney tissue. There are six polymers in tota...

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