radiation field


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radiation field

[‚rād·ē′ā·shən ‚fēld]
(electromagnetism)
The electromagnetic field that breaks away from a transmitting antenna and radiates outward into space as electromagnetic waves; the other type of electromagnetic field associated with an energized antenna is the induction field.
References in periodicals archive ?
Generally, there are going to be internal motions and radiation fields that exist in any such large body.
The determination of the exposure rate values for testing radiation detection instruments against the ANSI/IEEE standards widely depends on the method used to determine the radiation field.
The thyroid gland is often included in the radiation field when patients with Hodgkin disease, non-Hodgkin lymphoma, and head and neck tumors are treated with external radiation therapy.
That enables doctors to boost the dosage while decreasing the size of the radiation field.
His topics include the connection of quantum mechanics with group theory, the magnetic ion in a crystal, the quantum theory of the radiation field, the ion-photon interaction, fluorescence spectra of magnetic ions in crystals, and elements of laser theory.
These applicators attach to the treatment units and define the radiation field size applied during treatment.
Results were compared with those in 30 women who happened to be undergoing radiation treatments during the same time period and received the hospital's standard instruction: no aluminum-based deodorant on the treated side and no skin care products in the radiation field 4 hours before treatment.
Toward the end of radiotherapy, a nodule developed within the radiation field.
Adding a bucking DC voltage to the binants to offset the signal induced on the fiber by the ionization produced in the coupled ion chamber and measuring the time between maximum deflection and null gave an indication of the ionizing radiation field strength.
Contract notice: Provision of maintenance services for clinac ix accelerator sn 1023 manufacturer of high-energy linear accelerator - varian medical systems and the 3d radiation field analyzer iba blue phantom 2 producer of iba dosimetry gmbh installed in the beskid centre of oncology - city hospital to them.
During the EFT-1, Orion will fly through the Van Allen Belt, a dense radiation field that surrounds the Earth in a protective shell of electrically charged ions.

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