magnetic field gradient

(redirected from field gradient)
Also found in: Encyclopedia.

mag·net·ic field gra·di·ent

in magnetic resonance imaging, a magnetic field that varies with location, superimposed on the uniform field of the magnet, to alter the resonant frequency of nuclei and allow calculation of their spatial position.

Synonym(s): field gradient

Farlex Partner Medical Dictionary © Farlex 2012

Mentioned in ?

References in periodicals archive ?

It was reported that strength of used magnets and magnetic field gradient varies from 70 mT to 2.2 T and from 0.03 T/m to 100 T/m, respectively [3, 9, 12, 18].

Modelling of Halbach Array Based Targeting Part of a Magnetic Drug Delivery Device

Material with an electric field gradient of 41 MV/m

ULVAC Launches High-purity Niobium Material for Superconducting Accelerators

Impact of magnetic field gradients on the free corrosion of iron.

The effect of magnetic field on corrosion inhibitor of copper in 0.5m NaCl solution

Gravity field gradient along a levelling profile has a significant effect on the levelling results.

Precise levelling data processing near terraced landforms

Axial gradient of the magnetic field gradient (dB/dL) at the wall of the channel, which caused oxygen transfer towards the pellet surface was equal to 1.56 T/m, but it was not higher than 0.8 T/m in the central part of the flame.

Environmental effect of co-firing and magnetic field on wood pellets combustion

Note that this passive compressor can enhance both background DC magnetic field and field gradient. Thus (B x [nabla])B can be amplified, which means the magnetic force will be greatly enhanced passively.

Transformation inside a Null-Space Region and a DC Magnetic Funnel for Achieving an Enhanced Magnetic Flux with a Large Gradient

z-direction, the field gradient at the boundary and the associated

Concepts and engineering aspects of a neutron resonance spin-echo spectrometer for the National Institute of Standards and Technology Center for Neutron Research

To perform the spectroscopy of the bouncing neutron, the interaction that couples different quantum states can be a vibration of the bottom mirror or an oscillating magnetic field gradient [8].

Gravitational resonance spectroscopy with an oscillating magnetic field gradient in the GRANIT flow through arrangement

There will be a force drawing the steel sphere into the centre of the gap, since there exists a magnetic field gradient in every direction away from this center-point.