Results 201 to 210 of about 55,053 (254)

The influence of dirt track hardness on equine limb acceleration and impact attenuation. [PDF]

BMC Vet Res
Bruce OL, Pfau T, Crack LE, Sawatsky A, Leguillette R, Edwards WB.   +5 more
europepmc   +1 more source

Simulation of Gamma-Ray Attenuation in Zeolite-Polymer Composites for Low-Cost Sustainable Radiation Shielding. [PDF]

Polymers (Basel)
Alharbi A, Alnagran H, Alashrah S.
europepmc   +1 more source

Synthesis and evaluating gamma shielding features of YBa₂Cu₃O₇(Bi₂O₃) ceramic composite using Monte Carlo method via GEANT4 and MCNP codes. [PDF]

Sci Rep
Soltani E, Saray AA.
europepmc   +1 more source

Quantum-modified photo-thermoelastic wave propagation in semiconductors with temperature-dependent thermal conductivity. [PDF]

Sci Rep
Alshalhoub S, Shang F, Ismail GM, Jlali L, Elshazly IS, Lotfy K.   +5 more
europepmc   +1 more source

Investigation of bentonite-goethite mixture as a novel material for low-level landfill liners. [PDF]

Sci Rep
Nadi M, Azhari A, Isfahani HS, Motra HB, Hefny M, Salati A, Bazargan M.   +6 more
europepmc   +1 more source

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An image reconstruction method for transmission computed tomography with the constraint of the linear attenuation coefficients

Applied Radiation and Isotopes, 2023
For the reconstructed image of transmission computed tomography, the linear attenuation coefficients of the diagnosed object may improve the image quality by adding additional constraint besides the projection data. In the present work, an image reconstruction method with the constraint of the linear attenuation coefficients is developed and two models
Zhonghua Xiong
exaly   +3 more sources

A generalized model for the conversion from CT numbers to linear attenuation coefficients

IEEE Transactions on Nuclear Science, 2003
We have developed a generalized model for accurate conversion from CT numbers to linear allenuation coefficients (LAC) by introducing a material-dependent conversion factor (CF). When assuming that a material x is a uniform mixture of water and another material A (we call this the "water-A assumption" in this paper), we show that the conversion from CT
Ling Shao, Chuanyong Bai, A J da Silva   +2 more
exaly   +2 more sources

Advanced Two Media (ATM) method for measurement of linear attenuation coefficient

Annals of Nuclear Energy, 2013
Linear attenuation coefficient of irregular targets having unknown thickness (La, Pr, Nd, Gd, Tb, Ho and Er) and regular targets of known thickness (Mo, Ag, Sn, W and Pb) at 59.54 keV have been measured by using a new technique named Advanced Two Media (ATM) method.
K S Kahlon, A S Dhaliwal
exaly   +2 more sources

Linear attenuation coefficients for compensator based imrt

Australasian Physics & Engineering Sciences in Medicine, 2007
With rapid technological improvements in computer driven 3-D radiotherapy treatment planning systems (RTPS) the use of compensating filters for intensity modulated radiation therapy (IMRT) will dramatically increase the ease of treatment. The procedure for commissioning .decimal (Sanford, Florida) compensators involved the measurement of the effective ...
T, Bartrum, M, Bailey, V, Nelson, M, Grace   +3 more
openaire   +2 more sources