gradient magnetic field

An MRI term for a small linear magnetic field superimposed on the large static magnetic field during an MRI scan, the strength (amplitude) and direction of which change during the scan such that each small volume element (voxel) within the imaging volume resonates at a different frequency, allowing spatial encoding to be performed.

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References in periodicals archive ?

Gas- Liquid Interface Deformation of Flowing Water in Gradient Magnetic Field -Influence of Flow Velocity and NaCl Concentration, Jpn.

Study the Effect of Magnetized Water on Some of the Chemical Parameters for EBT Complexes with Some of M2+ Ions

In this work, to further fully understand the dynamic behavior of MNPs under the special gradient magnetic field, a similar electromagnetic apparatus is designed and fabricated.

Investigation of Magnetic Nanoparticle Motion under a Gradient Magnetic Field by an Electromagnet

of high gradient magnetic field systems have been assumed to be constant.

IMPROVEMENT OF MAGNETIC FILTERS' PERFORMANCE BY CONTROLLING REGIONAL FIELD WITH PWM USING A DIGITAL SIGNAL CONTROLLER

The behavior of dissolved oxygen in gas oil using high gradient magnetic field, Magnetic and Electrical Separation 9(4): 199-211.

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

However, in many other important applications, we need an open structure/lens to achieve a high gradient magnetic field in a region (without magnetic materials) far away from the lens.

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

For the implementation of a high-quality finishing surface treatment of special optical workpieces magnetorheological polishing method is used [3, 4], which is based on software-controlled tangential material removal by a magnetorheological polishing fluid (MRPF) jet, formed by the gradient magnetic field, with its local contact with the object of the treatment.

Simulation of concentration distribution of dispersed particles of magnetorheological fluid in the gap workpiece-tool of finishing polishing device/Dispersiniu magnetoreologinio skyscio daleliu koncentracijos pasiskirstymo tarpelyje tarp ruosinio ir poliravimo irenginio irankio modeliavimas

By solving a magnetostatic boundary value problem in the domain using the boundary condition of uniform magnetic field ([H.sub.0]) in the region that is far from the wire and magnetostatic boundary condition at the surface of the wire, the high gradient magnetic field (H) around the wire can be expressed in polar coordinates ([r.sub.a], [theta]) as [7]

Parallel simulation of HGMS of weakly magnetic nanoparticles in irrotational flow of inviscid fluid

The drug is then absorbed by the tumor through a high gradient magnetic field, which is concentrated near the tumor center [26].

Effect of the velocity second slip boundary condition on the peristaltic flow of nanofluids in an asymmetric channel: exact solution

The DVMF features a high intensity, high gradient magnetic field generated in the bore of a solenoid coil encased in steel housing.

Eriez upgrades filter design for handling food powders

Company's redesigned DVMF features a high intensity, high gradient magnetic field generated in the bore of a solenoid coil encased in steel housing.

Dry vibrating magnetic filters

showed that manipulation of [Fe.sub.3][O.sub.4] MNPs that targeted against a mechanosensitive ion channel TREK-1 by a gradient magnetic field (80 mT, 5.5 T/m) could lead to the change of TREK-1 activity and the whole-cell currents [45].

Mechanisms of Cellular Effects Directly Induced by Magnetic Nanoparticles under Magnetic Fields

At gradient magnetic field exposure levels 50% to 100% above perception threshold, patients may experience pain.

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