Results 1 to 10 of about 129,449 (294)

ACTIVE SHIELDING OF MAGNETIC FIELD WITH CIRCULAR SPACE-TIME CHARACTERISTIC [PDF]

Electrical engineering & Electromechanics, 2020
Aim. The synthesis of two degree of freedom robust two circuit system of active shielding of magnetic field with circular space-time characteristic, generated by overhead power lines with «triangle» type of phase conductors arrangements for reducing the ...
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui, S. V. Pertrov, V. V. Kolomiets, B. B. Kobilyanskiy   +5 more
doaj   +6 more sources

Measurements of Nuclear Magnetic Shielding in Molecules [PDF]

Molecules
The origin of nuclear magnetic shielding in diamagnetic molecules is discussed, pointing out various contributions to the shielding from electrons and the effects of intra- and intermolecular interactions.
Karol Jackowski, Marcin Wilczek
doaj   +2 more sources

Theoretical Analysis of a Magnetic Shielding System Combining Active and Passive Modes [PDF]

Nanomaterials
Considering the magnetic shielding requirements of both geomagnetic field and 50 Hz power-line frequency in the complex working conditions of the power grid, an electromagnetic shielding system combining active and passive modes is proposed in this ...
Qingzhi Meng, Zelin Wang, Qijing Lin, Dengfeng Ju, Xianfeng Liang, Dan Xian   +5 more
doaj   +2 more sources

HIGH VOLTAGE POWER LINES MAGNETIC FIELD SYSTEM OF ACTIVE SHIELDING WITH COMPENSATION COIL DIFFERENT SPATIAL ARRANGEMENT [PDF]

Electrical engineering & Electromechanics, 2019
Aim. The synthesis of single-circuit system of active shielding of magnetic field, generated by group of high voltage power lines, with different spatial arrangement of shielding coil. Methodology.
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui   +2 more
doaj   +7 more sources

Research on Open Magnetic Shielding Packaging for STT and SOT-MRAM [PDF]

Micromachines
As an emerging type of non-volatile memory, magneto-resistive random access memory (MRAM) stands out for its exceptional reliability and rapid read–write speeds, thereby garnering considerable attention within the industry.
Haibo Ye, Xiaofei Zhang, Nannan Lu, Jiawei Li, Jun Jia, Guilin Zhao, Jiejie Sun, Lei Zhang, Chao Wang   +8 more
doaj   +2 more sources

Magnetic shielding properties of an iron-based nanocrystalline alloy for induction heating systems [PDF]

Heliyon
A nanocrystalline alloy, with an iron-based composition (Fe58.5Si16.7B6.5Nb5.1Cu13.2) and a Curie temperature of 570 °C, was investigated for its effectiveness as magnetic shielding films in an induction heating system.
Feng Li, Ruifeng Zhao, Yibo Liu, Yang Xiao, Peng Sun, Jiamao Luo, Jun Wen, Zhihong Chen, Jing Hu, Zuqiang Qi   +9 more
doaj   +2 more sources

Measurement and Analysis on Magnetic Field Influence of Substation for Magnetic Shielding Device

Applied Sciences, 2023
The residual magnetic field in a magnetic shielding device with a multilayer high permeability material (permalloy) structure can be obtained at the nanotesla (nT) level or even lower.
Yuan Cheng, Yaozhi Luo, Ruihong Shen, Liang Zhao, Weiyong Zhou   +4 more
doaj   +1 more source

A lightweight magnetically shielded room with active shielding [PDF]

Scientific Reports, 2022
AbstractMagnetically shielded rooms (MSRs) use multiple layers of materials such as MuMetal to screen external magnetic fields that would otherwise interfere with high precision magnetic field measurements such as magnetoencephalography (MEG). Optically pumped magnetometers (OPMs) have enabled the development of wearable MEG systems which have the ...
Holmes, N, Rea, M, Chalmers, J, Leggett, J, Edwards, LJ, Nell, P, Pink, S, Patel, P, Wood, J, Murby, N, Woolger, D, Dawson, E, Mariani, C, Tierney, TM, Mellor, S, O’Neill, GC, Boto, E, Hill, RM, Shah, V, Osborne, J, Pardington, R, Fierlinger, P, Barnes, GR, Glover, P, Brookes, MJ, Bowtell, R   +25 more
openaire   +4 more sources

Overhead power lines magnetic field reducing in multi-story building by active shielding means

Electrical engineering & Electromechanics, 2021
Aim. Reducing of magnetic flux density of magnetic field in multi-storey building, generated by overhead power lines to the sanitary standards level by active shielding means.
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui, V. V. Kolomiets, B. B. Kobylianskiy   +4 more
doaj   +1 more source

Multilayer Spindle Shaped Magnetic Shielding Device for SERF Atomic Magnetometer Application

IEEE Access, 2020
Most of shielding devices currently used for SERF magnetometers are multilayer cylindrical magnetic shielding barrels. This article studies a new multilayer spindle shaped magnetic shielding barrel for the spin exchange relaxation free (SERF ...
Zhengkun Fan, Jun Xu, Xiangyu Kang, Zhanfei Zhang, Yang Li, Xiangmei Dong, Xiumin Gao   +6 more
doaj   +1 more source