magnetic field

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Related to magnetic field strength: magnetic flux density

field

 [fēld]
1. an area or open space, as an operative field or visual field.
2. a range of specialization in knowledge, study, or occupation.
3. in embryology, the developing region within a range of modifying factors.
auditory field the space or range within which stimuli will be perceived as sound.
disturbed energy field a nursing diagnosis defined as a disruption of the flow of energy surrounding a person's being that results in disharmony of the body, mind, and/or spirit.
energy field the flow of energy surrounding a person.
extended field in radiation therapy, such as for malignant lymphoma, an area of irradiation beyond the involved field. See also under irradiation.
high-power field the area of a slide visible under the high magnification system of a microscope.
individuation field a region in which an organizer influences adjacent tissue to become a part of a total embryo.
inverted Y field in radiation therapy, such as for malignant lymphoma, a circumscribed area of irradiation below the diaphragm, covering the spleen, extending down the midline, and branching inferiorly to form tails across the inguinal areas.
involved field in radiation therapy, such as for malignant lymphoma, the irradiated area when irradiation has been limited to sites of detectable macroscopic disease. See also under irradiation.
low-power field the area of a slide visible under the low magnification system of a microscope.
magnetic field that portion of space about a magnet in which its action is perceptible.
mantle field in radiation therapy, such as for malignant lymphoma, a circumscribed area of irradiation around the shoulders and chest, including the neck, clavicular regions, axillae, and mediastinum. See also under irradiation.
morphogenetic field an embryonic region out of which definite structures normally develop.
operating field (operative field) an isolated area where surgery is performed; it must be kept sterile by aseptic techniques (see surgical asepsis). Called also surgical field.
sterile field an operative field that is properly sterile according to surgical asepsis. It includes having all furniture and equipment covered with sterile drapes and all personnel being properly attired.
surgical field operative field.
visual field (F) (vf) the area within which stimuli will produce the sensation of sight with the eye in a straight-ahead position.

mag·net·ic field

the sphere of influence of a magnet.

magnetic field

[magnet′ik]
Etymology: Gk, magnesia, lodestone; AS, feld
the region around any magnet in which its effects can be detected.

magnetic field

An MRI term for the magnetic lines of force (flux) which extend from a north polarity and enter a south polarity of a magnet to form a closed loop around the outside of a magnetic material.

Magnetic field

The three-dimensional area surrounding a magnet, in which its force is active. During MRI, the patient's body is permeated by the force field of a superconducting magnet.

magnetic field (MF),

n the lines of force that surround a moving charged particle or a magnet.
References in periodicals archive ?
The magnetic field strength, time in the field, and amount of B-staging were determined to be the most important and most easily controllable process variables which affect the final properties of the material.
The general thermodynamic properties of the MSMA materials which can show both the ferroelastic and the ferromagnetic properties, the ferroelastic reflects the mechanical properties through the relation of stress-strain in presence of magnetic field, the ferromagnetic gives the magnetization value as a function of magnetic field strength and strain.
This is likely due to the fact that the magnetic field strength and angle do not change during these temperature sweeps.
where [nabla] is the nabla operator; H is the magnetic field strength vector; J is the current density vector; D represents the electric flux density vector; E represents the electric field density vector: a is the electrical conductivity.
Components of magnetic field strength have been numerically simulated and are shown in Fig.
Contract award notice:Nuclear Magnetic Resonance machine dedicated diagnosis in medical imaging with magnetic field strength of 1.
t] are, correspondingly, the values of the magnetic flux density and magnetic field strength in the gap.
Mouritsen thinks beak cells might play a different role in magnetic sensing, such as picking up minor changes in magnetic field strength along a north-south axis.
One of the high school's experiments, the Lightning Probe, will read different physical characteristics at a high altitude, for example temperature, humidity, magnetic field strength and direction.
The Helmholtz equation must be used for the magnetic field strength computation:
Oasis is the answer to many of the troubling product tradeoffs in MR," said Sheldon Schaffer, Vice President and General Manager, MR and CT, "With magnetic field strength of 1.
Contract notice for Supply of Nuclear magnetic resonance apparatus dedicated to the diagnosis in medical imaging with magnetic field strength of 1.