Results 21 to 30 of about 9,251,748 (303)

Mapping of steady-state electric fields and convective drifts in geomagnetic fields – Part 1: Elementary models [PDF]

Annales Geophysicae, 2016
When studying magnetospheric convection, it is often necessary to map the steady-state electric field, measured at some point on a magnetic field line, to a magnetically conjugate point in the other hemisphere, or the equatorial plane, or at the ...
A. D. M. Walker, G. J. Sofko
doaj   +1 more source

Robust Estimation of Contact Force and Location for Magnetic-Field-Based Soft Tactile Sensor Considering Magnetic Source Inconsistency

Sensors, 2021
Flexible magnetic-field-based tactile sensors (FMFTS) have numerous advantages including low cost, ease of manufacture, simple wiring, high sensitivity, and so on.
Xiaofeng Yang, Bingchu Li, Lihong Yang, Huimin Shen   +3 more
doaj   +1 more source

Safety Implications of High-Field MRI: Actuation of Endogenous Magnetic Iron Oxides in the Human Body [PDF]

, 2009
Background: Magnetic Resonance Imaging scanners have become ubiquitous in hospitals and high-field systems (greater than 3 Tesla) are becoming increasingly common.
Garcia-Prieto, A, Ana Garcia-Prieto, Jon Dobson, Dobson Jon, Bowtell, R, Pankhurst Quentin, Dobson, J, Richard Bowtell, Quentin Pankhurst, Pankhurst, Q, Bowtell Richard, Garcia-Prieto Ana   +11 more
core   +1 more source

Oscillating magnetic field disrupts magnetic orientation in Zebra finches, Taeniopygia guttata [PDF]

, 2009
Background Zebra finches can be trained to use the geomagnetic field as a directional cue for short distance orientation. The physical mechanisms underlying the primary processes of magnetoreception are, however, largely unknown.
Wiltschko, Wolfgang, Voss Joe, Tim Ruploh, Ruploh, Tim, Nina Keary, Wolfgang Wiltschko, Keary, Nina, Thalau, Peter, Wiltschko, Roswitha, Ruploh Tim, Voss, Joe, Wiltschko, Wolfgang (Prof. Dr.), Joe Voss, Roswitha Wiltschko, Peter Thalau, Wiltschko Roswitha, Bischof Hans-Joachim, Thalau Peter, Wiltschko Wolfgang, Keary Nina, Hans-Joachim Bischof, Bischof, Hans-Joachim   +21 more
core   +1 more source

Analyze the multi-wire magnetic field of HGMS by semi-analytical method

Results in Physics, 2018
In this paper, a semi-analytical method (SAM) to analyze the magnetic field distribution in High-Gradient Magnetic Separation (HGMS) was promoted, constituting a combination of conform mapping (includes Schwarz-Christoffel (S-C) mapping) and finite ...
Mei Yuan, Huiqing Peng, Luzheng Chen, Yun Lei   +3 more
doaj   +1 more source

A novel geomagnetic satellite constellation: Science and applications

Earth and Planetary Physics, 2023
The European Space Agency (ESA)’s Swarm constellation of a trio of geomagnetic survey satellites in nearly circular polar orbits at altitude about \begin{document}$500$\end{document} km was launched on 22 November 2013 and has been mapping the Earth’s ...
Keke Zhang
doaj   +1 more source

Activation Changes in Zebra Finch (Taeniopygia guttata) Brain Areas Evoked by Alterations of the Earth Magnetic Field [PDF]

, 2012
Keary N, Bischof H-J. Activation Changes in Zebra Finch (Taeniopygia guttata) Brain Areas Evoked by Alterations of the Earth Magnetic Field. PLoS ONE.
Nina Keary, Bischof Hans-Joachim, Keary, Nina, Hans-Joachim Bischof, Keary Nina, Bischof, Hans-Joachim   +5 more
core   +2 more sources

Far-field mapping of the longitudinal magnetic and electric optical fields [PDF]

Optics Letters, 2013
In this letter, we demonstrate the experimental mapping of the longitudinal magnetic and electric optical fields with a standard scanning microscope that involves a high numerical aperture far-field objective. The imaging concept relies upon the insertion of an azimuthal or a radial polarizer within the detection path of the microscope which acts as an
Ecoffey, Clément, Grosjean, Thierry
openaire   +4 more sources

High-Resolution Environmental Magnetism Using the Quantum Diamond Microscope (QDM): Application to a Tropical Speleothem

Frontiers in Earth Science, 2021
Quantum diamond microscope (QDM) magnetic field imaging is a recently developed technique capable of mapping magnetic field sources in geologic samples at 1 micrometer resolution.
Roger R. Fu, Kimberly Hess, Plinio Jaqueto, Plinio Jaqueto, Valdir F. Novello, Tyler Kukla, Ricardo I. F. Trindade, Nicolás M. Stríkis, Francisco W. Cruz, Oren Ben Dor, Oren Ben Dor   +10 more
doaj   +1 more source

A magnetically compatible, arbitrary positioning system for accurate spatial mapping of magnetic fields for shimming studies in MRI

Magnetic Resonance Letters
After the fabrication of magnetic resonance superconducting magnets, the magnetic field inhomogeneity needs to be accurately measured for subsequent shimming.
Yiqing Yin, Wenchen Wang, Shihe Zhao, Hui Wang, Junsheng Cheng, Shunzhong Chen, Wenhui Yang, Feng Liu, Yaohui Wang   +8 more
doaj   +1 more source