rentgen (R)

rentgen (R)

The roentgen is a unit used to measure a quantity called exposure. This can only be used to describe an amount of gamma and X-rays, and only in air. One roentgen is equal to depositing in dry air enough energy to cause 2.58 x 10-4 coulombs per kg. It is a measure of the ionizations of the molecules in a mass of air. The main advantage of this unit is that it is easy to measure directly, but it is limited because it is only for deposition in air, and only for gamma and x rays.

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Category: Radiology equipment
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rentgen

Υγεία; Hospitals

X-rays are a form of radiation, like light or radio waves, which can be focused into a beam, much like a flashlight beam. Unlike a beam of light, however, X-rays can pass through ...

rentgen

Ιατρικές συσκευές; Radiology equipment

An X-ray (or Röntgen ray) is a form of electromagnetic radiation with a wavelength in the range of 10 to 0. 01 nanometers, corresponding to frequencies in the range 30 PHz to 30 ...

rentgen

Υγεία; Cancer treatment

A type of high-energy radiation. In low doses, x-rays are used to diagnose diseases by making pictures of the inside of the body. In high doses, x-rays are used to treat cancer.

kompjuterizirana tomografija

Ιατρικές συσκευές; Radiology equipment

Medical imaging method employing tomography where digital geometry processing is used to generate a three-dimensional image of the internals of an object from a large series of ...

kompenzator

Ιατρικές συσκευές; Radiology equipment

An accessory, one of various detachable beam-modification devices.

kompatibilnost

Ιατρικές συσκευές; Radiology equipment

Capability of efficient integration and operation with other elements in a system.

kolimator

Ιατρικές συσκευές; Radiology equipment

A block of radiation attenuating material with one or more fixed or movable apertures. The collimators in the treatment head of the Clinac define the treatment field and limit the ...

kolimirati

Ιατρικές συσκευές; Radiology equipment

To limit the radiation area. To make parallel; to adjust transit into straight lines.

državljanstvo

Ιατρικές συσκευές; Radiology equipment

The country in which a person holds their primary citizenship.

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