Results 31 to 40 of about 1,079,802 (320)

Method for Shielding Evaluation of Industrial Radiography with Ir [PDF]

Journal of Radiation Protection and Research
Background Iridium-192 (192Ir) is one of the radioisotopes most commonly utilized for industrial radiography worldwide. In accordance with the Nuclear Safety Act of the Republic of Korea, the use of projectors containing 192Ir sources requires conducting
Byeonghyeon Park, Jaeho Lee, Hee Seo, Kwangsik Seo   +3 more
doaj   +1 more source

Determining X-Ray Effective Energy in Linear Accelerator (LINAC) Radiotherapy Instrument

Jurnal Ilmiah Pendidikan Fisika Al-Biruni, 2018
This research in determining x-ray effective energy in linear accelerator (Linac) radiotherapy device was done using copper plates at different thicknesses by determining the Half Value Layer (HVL) for each energy. The purpose of this research is to know
Fauziah Fauziah, Bualkar Abdullah
doaj   +1 more source

Cadmium oxide reinforced 46V2O5–46P2O5–(8−x)B2O3–xCdO semiconducting oxide glasses and resistance behaviors against ionizing gamma rays

Journal of Materials Research and Technology, 2021
This study aimed to determine the contribution of B2O3/CdO substitution on gamma-ray attenuation behaviors of 46V2O5–46P2O5–(8−x)B2O3–xCdO (x = 0–8 mol%) glass system.
H.O. Tekin, Shams A.M. Issa, G. Kilic, Hesham M.H. Zakaly, A. Badawi, G. Bilal, H.A.A. Sidek, K.A. Matori, M.H.M. Zaid   +8 more
doaj   +1 more source

Development of high-temperature heavy density dolerite concrete for 4th generation nuclear power plants

Frontiers in Materials, 2023
This study examines the physical, mechanical, microstructural, and attenuation properties of high-density concrete exposed to temperatures ranging from 200°C to 1200°C.
Muhammad Nasir Ayaz Khan, Azhar Hussain Malik, Muhammad Yaqub, Muhammad Umar, Muhammad Noman, Muhammad Abid, Hisham Alabduljabbar, Abdullah Mohamed, Syed Salman Ahmad Zaidi   +8 more
doaj   +1 more source

Determination of the Tenth and Half Value Layer Thickness of Concretes with Different Densities [PDF]

, 2020
Half value layer (HVL) is the most frequently used quantitative factor for describing both the penetrating ability of specific radiations and the penetration through specific objects.
A Akkaş
core  

Methodology study for determining the half-value layer using the Monte Carlo code PHITS

Brazilian Journal of Radiation Sciences
For most purposes, the quality of a beam can be specified in terms of the half-value layer (HVL), which is the thickness of material required to reduce the air kerma  to half, at one meter from the source, from a unidirectional beam of infinitesimal ...
Ronald Soares, Marco Aurélio Lacerda
doaj   +1 more source

Correction of the Contribution of Scattered Photon Radiation to the Ionization Chamber Readings During X-Ray Radiation Quality Assessment

Приборы и методы измерений, 2022
Reduction of the systematic error when determining the characteristics of the reference X-ray radiation fields is an essential task according to the ISO 4037-1:2019 standard.
A. A. Zaharadniuk, K. G. Senkovsky, R. V. Lukashevich   +2 more
doaj   +1 more source

Comparison of X-Ray Attenuation Performance, Antimicrobial Properties, and Cytotoxicity of Silicone-Based Matrices Containing Bi2O3, PbO, or Bi2O3/PbO Nanoparticles [PDF]

Journal of Biomedical Physics and Engineering
Background: Application of the nanomaterials to preparing X-ray shields and successfully treating multiresistant microorganisms has attracted great attention in modern life.Objective: This study aimed to prepare flexible silicone-based matrices ...
Baharak Divband, Zahraa Haleem Al-qaim, Falah H. Hussein, Davood Khezerloo, Nahideh Gharehaghaji   +4 more
doaj   +1 more source

Analysis of direct segregated boundary-domain integral equations for variable-coefficient mixed bvps in exterior domains [PDF]

, 2013
This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2013 World Scientific Publishing.Direct segregated systems of boundary-domain integral equations are formulated for the mixed (
Mikhailov, SE, Natroshvili, D, Chkadua, O   +2 more
core   +1 more source

Fast neutrons and gamma rays shielding properties for some nylon composite [PDF]

E3S Web of Conferences
In this study, The removal parameters of macroscopic fast neutron cross-section, linear gamma ray attenuation, mean free path, and half-value layer (half-value thickness) were calculated for a polymer composite containing nylon 6 as a base material and ...
Kareem Dawood Salwah, Ghali Ishnayyin Hadeel, Fadhil Mkhaiber Ahmed, Hatim Naseef Hadia   +3 more
doaj   +1 more source