Results 161 to 170 of about 5,819 (195)

Applying bilateral mastoid vibration changes the margin of stability in the anterior-posterior and medial-lateral directions while walking on different inclines. [PDF]

Eur J Med Res
Li W, Zhang Y, Chien JH.
europepmc   +1 more source

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XCOM intrinsic dimensionality for low-Z elements at diagnostic energies

Medical Physics, 2012
To determine the intrinsic dimensionality of linear attenuation coefficients (LACs) from XCOM for elements with low atomic number (Z = 1-20) at diagnostic x-ray energies (25-120 keV). H(0) (q), the hypothesis that the space of LACs is spanned by q bases, is tested for various q-values.Principal component analysis is first applied and the LACs are ...
Hans Bornefalk
exaly   +4 more sources

X-ray absorption in matter. Reengineering XCOM

Radiation Physics and Chemistry, 2001
Abstract A Windows version of XCOM, the well-known program for calculating X-ray and gamma-ray attenuation coefficients and interaction cross sections, has been developed. The new program, called WinXCom, has an improved user interface.
L. Gerward, N. Guilbert, K. Bjørn Jensen, H. Levring   +3 more
exaly   +2 more sources

Analysis of water-equivalent materials used during irradiation in the clinic with XCOM and BEAMnrc

Journal of Radiation Research and Applied Sciences, 2019
The devices used in the departments of Radiology, Nuclear Medicine, and Radiation Oncology should check for precise dose at some periods. The purpose of study is to compare the materials used for dosimetric control using Monte Carlo (MC) simulation. For MC simulation, BEAMnrc and DOSXYZnrc were used.
Taylan Tuğrul, Osman Eroğul
exaly   +4 more sources

Radiation shielding features of zirconolite silicate glasses using XCOM and FLUKA simulation code

Journal of Non-Crystalline Solids, 2020
Abstract This work aimed to investigate the ionizing radiation shielding features of zirconia silicate SiO2 Na2O CaO —xZrO2 (SCNZ) glass system. The mass attenuation coefficients (μ/ρ) were generated by FLUKA Monte Carlo simulation code and the obtained data was verified via the calculated data from XCOM software over an extended photon energy range ...
Hakan Akyildirim, Esra Kavaz, Fouad El-Agawany   +2 more
exaly   +5 more sources

Shielding properties of Cu-Sn-Pb alloy by Geant4, XCOM and experimental data

Materials Today Communications, 2021
Abstract In this paper, alloy samples consisting of (Pb, Sn, Cu) were prepared in different proportions. The shielding properties of the prepared samples including mass attenuation coefficient (μm), radiation protection efficiency (RPE), half-value layers (HVL), mean free path (MFP), atomic and electronic electron cross-sections (σa and σe ...
Ali H. Taqi, Abdulahdi M. Ghalib, Hilala N. Mohammed   +2 more
openaire   +1 more source

Java-XCOM component integration on Linux operating system

Proceedings of the 20th IEEE Instrumentation Technology Conference (Cat No 03CH37412) EURMIC-03, 2003
XCOM system consists of a binary component standard, a software library, and tools that enable programmers to develop component objects with C++ and to use them on Linux operating system. Java programming language is being widely used due to its fully object-oriented programming features, automatic memory management, and platform independency.
null Mutlu, null Ege
openaire   +1 more source

A novel active balance assistive control strategy based on virtual stiffness model of XCoM

Assembly Automation, 2019
PurposeThis paper aims to propose a novel balance-assistive control strategy for hip exoskeleton robot.Design/methodology/approachA hierarchical balance assistive controller based on the virtual stiffness model of extrapolated center of mass (XCoM) is proposed and tested by exoskeleton balance assistive control experiments.FindingsExperiment results ...
Jing Deng, Fei Chen, Shiyin Qiu
exaly   +2 more sources

Photon attenuation coefficients of oxide dispersion strengthened steels by Geant4, XCOM and experimental data

Radiation Physics and Chemistry, 2019
Abstract The total mass attenuation coefficients (μ/ρ) of oxide dispersion strengthened (ODS) steels have been investigated by using Geant4 simulation toolkit at energies ranging from 0.01 MeV to 100 GeV. Moreover, Geant4 is applied to further study on the partial mass attenuation coefficient of three main interactions including photoelectric effect,
Jingtai Li
exaly   +2 more sources

WITHDRAWN: Assessment of ionizing radiation attenuation features of zirconolite silicate glasses using XCOM and FLUKA simulation code

Physica B: Condensed Matter, 2020
Abstract This work aimed to investigate ionizing radiation shielding features of zirconia silicate SiO2-Na2O-CaO-xZrO2 (SCNZ) glass system. The mass attenuation coefficients (MAC, μ/ρ) were generated by FLUKA Monte Carlo simulation code and the obtained data verified via the calculated data of XCOM software over an extended photon energy range of 0 ...
El Agawany, F.I, Rammah, Yasser, Akyıldırım, Hakan, Kavaz, Esra   +3 more
openaire   +2 more sources