Results 11 to 20 of about 30,106 (301)

Measuring space radiation shielding effectiveness [PDF]

open access: yesEPJ Web of Conferences, 2017
Passive radiation shielding is one strategy to mitigate the problem of space radiation exposure. While space vehicles are constructed largely of aluminum, polyethylene has been demonstrated to have superior shielding characteristics for both galactic ...
Bahadori Amir   +4 more
doaj   +3 more sources

Influence of Hybrid Woven Fabric Parameters on Shielding Effectiveness

open access: yesJournal of Natural Fibers
Hybrid fabrics composed of wool and silver-metalized yarns were objects of interest as materials for electromagnetic shielding applications. They can be used where electromagnetic radiation levels, to some extent, exceed the permissible values.
Jacek Leśnikowski, Magdalena Tokarska
doaj   +2 more sources

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

Shielding effects of body - shields for 3D PET.

open access: yesIgaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 2002
We analyzed basic physics characteristics of body-shields which have been considered for screening out radioactivity outside the field of view (OFOV) in positron emission tomography (PET). Phantom experiments were performed with simple rectangular body-shields.
Hasegawa, Tomoyuki   +4 more
openaire   +2 more sources

Lightweight high-performance carbon-polymer nanocomposites for electromagnetic interference shielding

open access: yes, 2021
Electromagnetic interference has become a serious pollution concern in modern society, which has significantly driven the development of lightweight electromagnetic interference shielding materials based on porous carbon/polymer nanocomposites. This work
Jiang, Yue   +4 more
core   +1 more source

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