Results 21 to 30 of about 106,477 (297)

Effect of crack width on electromagnetic interference shielding effectiveness of high-performance cementitious composites containing steel and carbon fibers

open access: yesJournal of Materials Research and Technology, 2022
In this study, the effects of carbon fibers and crack widths on the electromagnetic interference (EMI) shielding effectiveness of high-performance fiber-reinforced cementitious composites (HPFRCCs) with 2 vol.% straight steel fibers were evaluated.
Soonho Kim   +4 more
doaj   +1 more source

Nano-structure of Ag/PANI on surface of aramid fabric and electromagnetic shielding performance of fabric

open access: yesCailiao gongcheng, 2023
The development of materials with high electromagnetic shielding effectiveness is of great significance for reducing electromagnetic interference and electromagnetic radiation hazards.Para-aramid fabric was used as the matrix material, and the Ag/PANI ...
LIU Maochen   +3 more
doaj   +1 more source

To shield or not to shield: shielding may have unintended effects on patient dose in CT

open access: yesEuropean Radiology, 2023
Abstract Objectives The aim of the patient out-of-plane shield is to reduce the patient radiation dose. Its effect on tube current modulation was evaluated with the out-of-plane shield visible in the localizer but absent in the scan range in chest CT with different CT scanners. Methods
Eneh Chibuzor   +2 more
openaire   +3 more sources

Analysis of Shielding Effectiveness of the Cavity Built with Single-Layer Reinforced Concrete

open access: yesInternational Journal of Antennas and Propagation, 2022
In view of the existing literature mainly studying the situation of infinite reinforced concrete structure, the shielding effectiveness of three-dimensional single-layer reinforced concrete cavity is studied by considering the structural parameters of ...
Xiangang Sun   +5 more
doaj   +1 more source

An attenuation Layer for Electromagnetic Shielding in X- Band Frequency [PDF]

open access: yesIranian Journal of Health, Safety and Environment, 2015
Uncontrolled exposure to X-band frequency leads to health damage. One of the principles of radiation protection is shielding. But, conventional shielding materials have disadvantages.
Vida Zaroushani   +2 more
doaj   +2 more sources

Shielding Effectiveness of Liquid Electrolyte [PDF]

open access: yes2019 Photonics & Electromagnetics Research Symposium - Fall (PIERS - Fall), 2019
The paper aims at the investigation of a liquid electrolyte effect on electromagnetic radiation. The liquid electrolyte could represent an interesting solution against electromagnetic interference for devices using transparent covers, such as security cameras.
Kovář, Stanislav   +3 more
openaire   +2 more sources

Characterization of the Electromagnetic Shielding Effectiveness of Biochar-Based Materials

open access: yesIEEE Access, 2023
Biochar and biochar-based composites are multi-functional materials with a wide range of environmental and other applications. A new and emerging application is in the field of modern communication systems as materials with significant electromagnetic ...
Christos D. Nikolopoulos   +5 more
doaj   +1 more source

Validation of Shielding Effectiveness Measurement Method Using Nested Reverberation Chambers by Comparison with Aperture Theory [PDF]

open access: yes, 2012
In this paper we revisit existing methods for measuring the shielding effectiveness of material samples using nested reverberation chambers. These methods have the advantage of exposing the sample with a more realistic environment than other methods that
Carlsson, Jan   +2 more
core   +1 more source

Evaluation of near-field electromagnetic shielding effectiveness at low frequencies [PDF]

open access: yes, 2019
Magnetic induction tomography (MIT) is a novel technology for flow measurement offering significant promise in the measurement of multiphase flows containing low-conductivity fluids such as saline water.
Arellano, Yessica   +2 more
core   +1 more source

Temperature Dependencies of the Permittivities and Microwave Shielding Effectiveness of a Carbon-containing Electrically Conductive Concrete

open access: yesHigh Temperature Materials and Processes, 2013
Conductive concrete is a construction material that can be utilized for a number of applications: in particular, electromagnetic shielding. In this research, the microwave shielding effectiveness of a carbon containing electrically conductive concrete ...
Chambers B.   +2 more
doaj   +1 more source

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