Results 21 to 30 of about 129,449 (294)

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

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

A New Approach to Calculate the Shielding Factor of Magnetic Shields Comprising Nonlinear Ferromagnetic Materials under Arbitrary Disturbances

Energies, 2019
To enable the realization of ultra-low magnetic fields for scientific and technological research, magnetic shielding is required to create a space with low residual magnetic field and high shielding factors.
Yiyang Zhao, Zhiyin Sun, Donghua Pan, Shengxin Lin, Yinxi Jin, Liyi Li   +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

A Review of Magnetic Shielding Technology for Space Radiation

Radiation, 2023
The space radiation environment outside the protection of the Earth’s magnetosphere is severe and difficult to shield against. The cumulative effective dose to astronauts on a typical Mars mission would likely introduce risk exceeding permissible limits ...
Kristine Ferrone, Charles Willis, Fada Guan, Jingfei Ma, Leif Peterson, Stephen Kry   +5 more
doaj   +1 more source

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

, 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, Cloots, Rudi, Denis, Samuel, Dirickx, Michel, Dusoulier, Laurent, Vanderbemden, Philippe, Vanderheyden, Benoit   +6 more
core   +1 more source

Experimental Verification of the Shielding Properties of Selected Textile Materials in the X Frequency Band

Applied Sciences, 2023
The increasing development and application of wireless devices and systems that radiate electromagnetic waves makes electromagnetic interference (EMI) shielding more and more important in everyday life.
Dariusz Wójcik, Maciej Surma, Mirosław Magnuski, Tomasz Blachowicz, Khorolsuren Tuvshinbayar, Marius Dotter, Yusuf Topuz, Andrea Ehrmann   +7 more
doaj   +1 more source

Processing and properties of binder-modified large-scale YBCO magnetic shields for ultra-low magnetic field environments

Materials Today Advances
Ultra-sensitive quantum magnetic sensors represent a new paradigm for measuring weak magnetic fields with unprecedented precision. However, the widespread application of this technology is constrained by the challenge of achieving higher magnetic ...
Kun Chen, Bowen Sun, Hua Chen, Mengshi Zhang, Yanan Gao, Peipei Shen, Shuyan Zhang, Wenhao Zhao, Yongsen Huang, Jianli Li, Bangcheng Han, Xiujie Fang, Danyue Ma   +12 more
doaj   +1 more source

Galactic cosmic rays on extrasolar Earth-like planets I. Cosmic ray flux

, 2015
(abridged abstract) Theoretical arguments indicate that close-in terrestial exoplanets may have weak magnetic fields, especially in the case of planets more massive than Earth (super-Earths).
Atri, D., Grenfell, J. L., Grießmeier, J. -M., Stadelmann, A., Tabataba-Vakili, F.   +4 more
core   +6 more sources