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Magnetic field gradients cause nuclei at different locations to rotate at different speeds.
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Magnetic and field
* Magnetic resonance imaging ( MRI ) MRI is a method of imaging objects that uses a strong magnetic field to detect the relaxation of protons that have been perturbed by a radio-frequency pulse.
* Magnetic medium ( e. g., in Magnetic disk )-Orientation of magnetic field in magnetic regions on a surface of material ( two orientation directions, for 0 and 1 ).
Magnetic field lines of a ring current of finite diameter.
* Magnetic medium ( e. g., in Magnetic disk )-Orientation of magnetic field in magnetic regions on a surface of material ( two orientation directions, for 0 and 1 ).
Magnetic field circles around a current
Magnetic hyperthermia makes use of magnetic nanoparticles, which can be injected into tumours and then generate heat when subjected to an alternating magnetic field.
* Magnetic field
Magnetic flux from the surroundings ( such as other wires ) may diminish or enhance the field the Hall probe intends to detect, rendering the results inaccurate.
Magnetic shielding made with high permeability alloys like mu-metal works not by blocking magnetic fields but by providing a path for the magnetic field lines around the shielded area.
B ( r ) is the Magnetic field strength of the planet in SI units ( B in T, μ < sub > 0 </ sub > in H / m )
Magnetic field lines represent the magnetic field surrounding Earth.
Magnetic fields in the magnetosphere arise from the Earth's internal magnetic field as well as from electric currents that flow in the magnetospheric plasma: the plasma acts as an electromagnet.
Magnetic fields from currents that circulate in the magnetospheric plasma extend the Earth's magnetism much further in space than would be predicted from the Earth's internal field alone.
Magnetic pressure should tend to remove field concentrations, causing the sunspots to disperse, but sunspot lifetimes are measured in days or even weeks.
Superconducting Magnetic Energy Storage ( SMES ) systems store energy in the magnetic field created by the flow of direct current in a superconducting coil which has been cryogenically cooled to a temperature below its superconducting critical temperature.
: Magnetic flux in a ferromagnetic material, such as the core, causes it to physically expand and contract slightly with each cycle of the magnetic field, an effect known as magnetostriction.
Magnetic confinement fusion devices exploit the fact that charged particles in a magnetic field feel a Lorentz force and follow helical paths along the field lines.
Magnetic field of an ideal cylindrical magnet with its axis of symmetry inside the image plane.
Magnetic mirrors play an important role in other types of magnetic fusion energy devices such as tokamaks, where the toroidal magnetic field is stronger on the inboard side than on the outboard side.
* Magnetic field immunity.
Magnetic and gradients
Magnetic fields will act in a direction perpendicular to the electron propagation, thereby conserving velocity, whereas electrostatic fields will cause electrons to move along the field gradient, which may change electron energies if the component of the direction of propagation and field gradients are not perpendicular.
Magnetic and cause
Magnetic fields are the cause of the force associated with magnets.
Magnetic materials in the sensor itself are the primary cause of this error.
Magnetic fields could also cause the drive heads to become misaligned, as the drives were not internally shielded from external magnetic fields.
Magnetic interactions between the magnetosome crystals in a chain cause their magnetic dipole moments to orientate parallel to each other along the length of the chain.
Magnetic and nuclei
Magnetic resonance imaging ( MRI ) most often shows bilateral symmetric fluid-attenuated inversion recovery ( FLAIR ) hyperintense lesions of the dentate nuclei ( which is one of the deep cerebellar nuclei ), as well as symmetric lesions of the corpus callosum and basal ganglia.
Magnetic and at
; Cardiovascular magnetic resonance imaging ( CMR ): Magnetic resonance imaging ( MRI ) of the heart that utilizes the ECG for gating and to look at specific mechanical functions of the heart.
# Magnetic poles ( or states of polarization at individual points ) attract or repel one another in a similar way and always come in pairs: every north pole is yoked to a south pole.
* 1979 — Richard F. Post ( Deputy Associate Director of Magnetic Fusion Energy at UC Lawrence Livermore Laboratories )
In the Soviet Union, Vladislav Ivanov filed ( in 1960 ) a document with the USSR State Committee for Inventions and Discovery at Leningrad for a Magnetic Resonance Imaging device, although this was not approved until the 1970s.
Radboud University runs the High Field Magnetic Laboratory which is able to achieve some of the highest fields available in Europe at 33 teslas ( continuous ) and 60 teslas ( pulsed ).
" Magnetic " protest songs were aimed at attracting people to the movement and promoting group solidarity and commitment, as for example, " Eyes on the Prize " and " We Shall Overcome ".
Magnetic tape or disk " card-image " files created from such card decks often had no line-separation characters at all, commonly assuming fixed-length 80-character records.
Magnetic tape has a nonlinear response at low signal strengths, as measured by its coercivity.
Magnetic sails could also be used with beam-powered propulsion by using a high-power particle accelerator to fire a beam of charged particles at the spacecraft.
With support of the National Science Foundation, LANL operates one of the three National High Magnetic Field Laboratories in conjunction with and located at two other sites Florida State University in Tallahassee, Florida and University of Florida in Gainesville, Florida.
It would also have allowed the Alpha Magnetic Spectrometer to be launched to the ISS, which the schedule at the time did not allow.
Image: Tin_80gauss_1. 6K. jpg | The cylinder has been cooled from 4. 2 K to 1. 6 K. The current in the electromagnet has been kept constant, but the tin became superconducting at about 3 K. Magnetic flux has been expelled from the cylinder ( the Meissner effect ).
* 1840-1853 Kings ' College, Toronto, Upper Canada / Canada West-still located at King's College Circle, University of Toronto ( see Toronto Magnetic and Meteorological Observatory )
Mackay, David and Mawson raise the flag at the Magnetic South Pole on 16 January 1909
In 1867 he brought out his Discussion of the Meteorological and Magnetical Observations made at the Flagstaff Observatory, and in 1869 appeared his extremely valuable Results of the Magnetic Survey of the Colony of Victoria — 1858-1864.
According to an article: " To celebrate the release of Distortion, Merritt and The Magnetic Fields played mini-residencies in cities around the country, culminating with six shows at Chicago's Old Town School of Folk Music.
Magnetic fields from magnetic bodies of ore fall off with the inverse distance cubed ( dipole target ), or at best inverse distance squared ( magnetic monopole target ).
The most powerful electromagnet in the world, the 45 T hybrid Bitter-superconducting magnet at the US National High Magnetic Field Laboratory, Tallahassee, Florida, USA
* Robert C. Duncan, University of Texas at Austin: ' Magnetars ', Soft Gamma Repeaters & Very Strong Magnetic Fields
Magnetic Springs is located at ( 40. 353133 ,-83. 262894 ).
It is straight down at the North Magnetic Pole and rotates upwards as the latitude decreases until it is horizontal () at the magnetic equator.
It continues to rotate upwards until it is straight up at the South Magnetic Pole.
1.020 seconds.