Results 21 to 30 of about 3,103,616 (297)

A lightweight magnetically shielded room with active shielding

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

Method of adjustment of three circuit system of active shielding of magnetic field in multi-storey buildings from overhead power lines with wires triangular arrangement

Electrical engineering & Electromechanics, 2022
Aim. For the first time the method of adjustment of three circuit system of the active shielding of the magnetic field based on experimentally determined space-time characteristics to increase the shielding factor in a multi-storey building located near ...
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui, O. V. Voloshko, V. V. Kolomiets, B. B. Kobylianskiy   +5 more
doaj   +1 more source

Spatial Contributions to Nuclear Magnetic Shieldings [PDF]

The Journal of Physical Chemistry A, 2021
We develop a methodology for calculating, analyzing, and visualizing nuclear magnetic shielding densities which are calculated from the current density via the Biot–Savart relation. Atomic contributions to nuclear magnetic shielding constants can be estimated within our framework with a Becke partitioning scheme.
Rahul Kumar Jinger, Heike Fliegl, Radovan Bast, Maria Dimitrova, Susi Lehtola, Dage Sundholm   +5 more
openaire   +8 more sources

Effect of different aspect ratios of rectangular hole on magnetic shielding property for cylindrical shield

AIP Advances, 2023
In this paper, the influence of rectangular holes with different aspect ratios in a cylinder on shielding properties is investigated using the finite element method.
Jing Zhu, Lei Wang, Siyuan Hao, Xinzhe Shi, Shuai Wang, Lianqing Zhu   +5 more
doaj   +1 more source

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

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   +1 more source

Reduction of magnetic field level in residential old buildings from overhead power lines by means of active screening

Electrical engineering & Electromechanics, 2021
Aim. Reduction of the magnetic field induction to the level of modern sanitary standards by means of active screening in residential old buildings which are located near existing typical overhead power lines are considered.
B. I. Kuznetsov, T. B. Nikitina, I. V. Bovdui, V. V. Kolomiets, B. B. Kobylianskiy   +4 more
doaj   +1 more source

Influence of magnetic shielding on electron dynamics characteristics of Penning ion source

AIP Advances, 2021
The dynamic behaviors of electrons in a miniature Penning ion source model are analyzed by the particle in cell/Monte Carlo collision particle simulation method combined with the scalar magnetic potential finite-difference method.
Mengjun Xie, Dagang Liu, Laqun Liu, Huihui Wang   +3 more
doaj   +1 more source

Spatial Contributions to ¹H NMR Chemical Shifts of Free-Base Porphyrinoids

Chemistry, 2021
A recently developed methodology for calculating, analyzing, and visualizing nuclear magnetic shielding densities is used for studying spatial contributions including ring-current contributions to 1H nuclear magnetic resonance (NMR) chemical shifts of ...
Heike Fliegl, Maria Dimitrova, Raphael J. F. Berger, Dage Sundholm   +3 more
doaj   +1 more source

ACTIVE SHIELDING OF MAGNETIC FIELD WITH CIRCULAR SPACE-TIME CHARACTERISTIC

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   +1 more source

Efficiency of Magnetostatic Protection Using Nanostructured Permalloy Shielding Coatings Depending on Their Microstructure

Nanomaterials, 2021
The effect of microstructure on the efficiency of shielding or shunting of the magnetic flux by permalloy shields was investigated in the present work.
Tatiana Zubar, Sergey Grabchikov, Anna Kotelnikova, Egor Kaniukov, Maksim Kutuzau, Karin Leistner, Kornelius Nielsch, Tatiana Vershinina, Daria Tishkevich, Oleg Kanafyev, Artem Kozlovskiy, Maxim Zdorovets, Valery Fedosyuk, Alex Trukhanov   +13 more
doaj   +1 more source