Results 31 to 40 of about 382,494 (374)
Key signal contributions in photothermal deflection spectroscopy [PDF]
, 2019 We report on key signal contributions in photothermal deflection spectroscopy (PDS) of semiconductors at photon energies below the bandgap energy and show how to extract the actual absorption properties from the measurement data.
Bass M. +9 more
core +2 more sources
Attenuation Law of Stress Waves in Cracked Rock Mass under Different Confining Pressures
Advances in Civil Engineering, 2019 Through theoretical analysis and indoor model tests, this paper explores the attenuation law of stress waves in the intact confined rock mass and cracked rock mass under different confining pressures, especially the relationship between the stress ...
Xiaoming Lou, Rui Luo, Jin Yu
doaj +1 more source
Study of γ-ray energy losses in the ionic crystalsusingMonte Carlo code [PDF]
Kirkuk Journal of Science, 2015 In this paper, measurements were carriedout of thecalculated attenuation of the ranges gamma rays energy(279,356,479,662) KeV and using radioactive sources (Hg203, Ba133, W189, Cs137).
Abdulhadi M. Ghelab +2 more
doaj +1 more source
Journal of Kufa-Physics, 2018 The attenuation measurements of x-ray of voltage range (21kv) for hosted polymer material were done using x-ray unit, in order to extract the effect of adding carboxy methyl cellulose material (CMC) to low density polyethylene on x-ray radiation ...
Raed M.Shaban +4 more
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Applied Sciences, 2023 In the current study, the effects of silver (Ag) additive on the radiation shielding efficiency of BiPbSrCaCuO superconducting ceramics was calculated using the EGS4 code and discussed theoretically by comparison with XCOM data.
Selim Kaya
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Applied Sciences, 2019 In order to better detect information about a mass in breast tissue, an ultrasound tomography algorithm based on adaptive time gain compensation (TGC) was designed.
Chang Liu +5 more
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Nuclear Engineering and Technology, 2021 The concrete is considered as an important radiation shielding material employed widely in nuclear reactors, particle accelerators, laboratory hot cells and other different radiation sources.
K. Mokhtari +3 more
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Photon Shielding Features of Quarry Tuff [PDF]
, 2016 Cantera is a quarry tuff widely used in the building industry; in this work the shielding features of cantera were determined. The shielding characteristics were calculated using XCOM and MCNP5 codes for 0.03, 0.07, 0.1, 0.3, 0.662, 1, 2, and 3 MeV ...
Guzmán-García, Karen Arlete +5 more
core +5 more sources
Investigation of radiological properties of imaging agents used in nuclear medicine with different methods and GATE/Geant4 simulation program [PDF]
Nuclear Technology and Radiation Protection, 2023 This study aims to determine the radiological properties of various radiopharmaceuticals used in nuclear medicine. In the study, mass attenuation coefficient values in different energy ranges were obtained for six different radiopharmaceuticals ...
Sahmaran Turan, Tugrul Taylan
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Photon interaction coefficients for the colorectal cancer tissue
Journal of Medical Physics, 2022 Purpose: The application of radiotherapy to the treatment of cancer requires the knowledge of photon interaction coefficients such as mass attenuation (μm) and mass energy-absorption coefficients (μen/ρ).
Emmanuel Okon Esien-Umo +4 more
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