Quantitative lung perfusion blood volume (PBV) using dual energy CT (DECT)-based effective atomic number (Zeff ) imaging.
Sign Up to like & getrecommendations! Published in 2021 at "Medical physics"
DOI: 10.1002/mp.15227
Abstract: BACKGROUND Iodine material images (aka iodine basis images) generated from dual energy CT (DECT) have been used to assess potential perfusion defects in the pulmonary parenchyma. However, iodine material images do not provide the needed… read more here.
Keywords: perfusion defects; perfusion; iodine material; effective atomic ... See more keywords
Effective atomic number of breast tissues determined by transmission and scattering methods
Sign Up to like & getrecommendations! Published in 2020 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2019.04.010
Abstract: Abstract The interaction process of the ionizing electromagnetic radiation with a composite material, formed by the combination of several atoms with different atomic number, can be described by an effective atomic number, Zeff. This parameter… read more here.
Keywords: effective atomic; transmission; atomic number; breast tissues ... See more keywords
Study of the relationship between different intensity ratios and effective atomic number in diluted uranium samples
Sign Up to like & getrecommendations! Published in 2021 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2020.109213
Abstract: Abstract In this work, the samples with the different effective atomic number between 10.536 and 66.177 were obtained by mixing urayl acetate ((CH3COO)2UO2⋅2H2O) and cellulose (C6H10O5) powders by matrix dilution method. The variation of different… read more here.
Keywords: effective atomic; intensity ratios; different intensity; atomic number ... See more keywords
Practical simulation method for determination of effective atomic number from Rayleigh to Compton scattering ratio by MCNP
Sign Up to like & getrecommendations! Published in 2021 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2020.109330
Abstract: Abstract Monte Carlo simulation of the Rayleigh/Compton scattering method for effective atomic number determination with MCNP (version 6.2) was proposed. As known, effective atomic numbers can be used for evaluating shielding behavior, in non-destructive analysis… read more here.
Keywords: determination; method; effective atomic; rayleigh compton ... See more keywords
Effective atomic number and buildup factor calculations for metal nano particle doped polymer gel
Sign Up to like & getrecommendations! Published in 2017 at "Vacuum"
DOI: 10.1016/j.vacuum.2017.06.005
Abstract: Abstract The present study aimed at verifying the water equivalency of the PAGAT gel and metal nano particle (different concentration of gold and silver) PAGAT (MPAGAT) gel in terms of effective atomic number (Z eff… read more here.
Keywords: buildup factor; metal nano; effective atomic; gel ... See more keywords
A quantitative analysis of spectral computed tomography characteristics of osseous metastases.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of medical imaging and radiation oncology"
DOI: 10.1111/1754-9485.13528
Abstract: INTRODUCTION Spectral detector computed tomography (SDCT) is a recent advancement that enables elemental material decomposition which could improve the detection of osseous metastases in the oncologic patient. METHODS Sixteen patients who underwent oncologic staging SDCT… read more here.
Keywords: osseous metastases; atomic number; calcium suppression; analysis ... See more keywords
Comparative Analysis of Various Definitions of the Concept of Effective Atomic Number of Material of a Multicomponent Object
Sign Up to like & getrecommendations! Published in 2018 at "Russian Journal of Nondestructive Testing"
DOI: 10.1134/s1061830918090073
Abstract: Comparative analysis is provided for various definitions of the concept of effective atomic number as applied to the material of a multicomponent object. Definitions in which radiation is and is not taken into account explicitly… read more here.
Keywords: comparative analysis; various definitions; definitions concept; effective atomic ... See more keywords
Effective atomic number of Mn–Co–Fe2O3 ternary alloys using the Rayleigh to Compton scattering ratio
Sign Up to like & getrecommendations! Published in 2017 at "Canadian Journal of Physics"
DOI: 10.1139/cjp-2016-0756
Abstract: The objective of this work is to determine effective atomic number (Zeff) of Fe2O3(0.2)–Mnx–Coy (x + y = 0.8) ternary alloys using scattering of gamma photons and to compare available methods used to calculate Zeff.… read more here.
Keywords: ternary alloys; alloys using; number; effective atomic ... See more keywords
Determination of effective atomic numbers and electron densities for some synthesized triazoles from the measured total mass attenuation coefficients at different energies
Sign Up to like & getrecommendations! Published in 2019 at "Canadian Journal of Physics"
DOI: 10.1139/cjp-2017-0923
Abstract: The effective atomic numbers and electron densities of some synthesized triazoles were determined using the experimental values of total mass attenuation coefficients at 13.93, 17.77, 26.34, and 59.54 keV photon energies. The measurements were performed… read more here.
Keywords: effective atomic; electron densities; densities synthesized; synthesized triazoles ... See more keywords
Accurate effective atomic number determination with polychromatic grating-based phase-contrast computed tomography.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.015153
Abstract: The demand for quantitative medical imaging is increasing in the ongoing digitalization. Conventional computed tomography (CT) is energy-dependent and therefore of limited comparability. In contrast, dual-energy CT (DECT) allows for the determination of absolute image… read more here.
Keywords: atomic number; contrast; computed tomography; effective atomic ... See more keywords
Effective Atomic Displacements in Fe-9at.%Cr Alloy
Sign Up to like & getrecommendations! Published in 2017 at "Defect and Diffusion Forum"
DOI: 10.4028/www.scientific.net/ddf.375.139
Abstract: A computer simulation of atomic displacement cascades in Fe-9at.%Cr binary alloy has been performed by molecular dynamics method for temperature of 300 K and cascade energies from 100 eV to 20 keV. The average number… read more here.
Keywords: 9at alloy; atomic displacements; sia; displacements 9at ... See more keywords