Results 21 to 30 of about 222,323 (280)

Electromagnetic losses in magnetic shields for buried high voltage cables [PDF]

open access: yes, 2011
The electromagnetic losses and shielding efficiency of shields for a buried three phase high voltage cable are studied for several shielding configurations.
Koroglu, Selim, Sergeant, Peter
core   +2 more sources

Electromagnetic Shielding Performance Measurement for Braided-Shield Power Cables at Low Frequency Regimes

open access: yesMeasurement Science Review, 2020
Although various measurement techniques have been applied to both qualitative and quantitative evaluation for the electromagnetic shielding performance of braided-shield power cables, the existing measurements cannot directly assess the low-frequency ...
Zhou Zhongyuan   +5 more
doaj   +1 more source

Gamma ray attenuation behaviors and mechanism of boron rich slag/ epoxy resin shielding composites

open access: yesNuclear Engineering and Technology, 2023
Excellent thermal neutron absorption performance of boron expands the potential use of boron rich slag to prepare epoxy resin matrix nuclear shielding composites. However, shielding attenuation behaviors and mechanism of the composites against gamma rays
Mengge Dong   +3 more
doaj   +1 more source

Photodissociation and photoionisation of atoms and molecules of astrophysical interest [PDF]

open access: yes, 2017
A new collection of photodissociation and photoionisation cross sections for 102 atoms and molecules of astrochemical interest has been assembled, along with a brief review of the basic processes involved.
Bosman, A. D.   +2 more
core   +3 more sources

Magnetic shielding properties of high-temperature superconducting tubes subjected to axial fields [PDF]

open access: yes, 2007
We have experimentally studied the magnetic shielding properties of a cylindrical shell of BiPbSrCaCuO subjected to low frequency AC axial magnetic fields.
Ausloos, Marcel   +6 more
core   +1 more source

Considerations for practical dose equivalent assessment of space radiation and exposure risk reduction in deep space

open access: yesScientific Reports, 2022
Shielding from space radiation, especially galactic cosmic rays (GCRs), is a significant safety challenge for future human activities in deep space. In this study, the shielding performances of potential materials [aluminum (Al), polyethylene (PE), and ...
Masayuki Naito, Satoshi Kodaira
doaj   +1 more source

Aramid nanofiber-reinforced multilayer electromagnetic-interference (EMI) shielding composites with high interfacial durability

open access: yesMaterials & Design, 2022
Structural composites for electric vehicles should have lightweight, mechanically strong, efficient electromagnetic shielding. Although thermoplastic composite material plays a structural role and aluminum thin film (Al foil) plays the role of ...
Dong-Jun Kwon   +5 more
doaj   +1 more source

A comprehensive study of the energy absorption and exposure buildup factors of different bricks for gamma-rays shielding

open access: yesResults in Physics, 2017
The present investigation has been performed on different bricks for the purpose of gamma-ray shielding. The values of the mass attenuation coefficient (µ/ρ), energy absorption buildup factor (EABF) and exposure buildup factor (EBF) were determined and ...
M.I. Sayyed   +5 more
doaj   +1 more source

Improving the X-ray Shielding Performance of Tungsten Thin-Film Plates Manufactured Using the Rolling Technology

open access: yesApplied Sciences, 2021
X-ray shields used for medical purposes are manufactured using lead, which is inexpensive and easy to manufacture. However, as lead can be a major factor contributing toward environmental contamination, such as lead poisoning, a radiation-shielding plate
Seon-Chil Kim
doaj   +1 more source

Electronic shielding by closed shells in salts of thulium [PDF]

open access: yes, 1964
Electronic shielding by closed electron shells has been investigated in salts of trivalent thulium, by measuring the temperature dependence of the nuclear quadrupole splitting of the 8.42-keV gamma transition in Tm169.
Barnes, R. G.   +3 more
core   +1 more source

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