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Beam divergence (rt)
Глоссарий терминов по технологиям неразрушающего контроля (NDT) |
The solid angle of the beam of radiation as it emerges from the x-ray tube or gamma-ray exposure device.
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Filament (rt), английский
The source of electrons in a hot-cathode tube. it is usually a heated wire.
Resolution (rt), английский
The smallest distance between adjacent distinguishable images on a radiograph or viewing screen. it may be expressed as the number of lines (or line parts) per millimeter that can be seen as discrete images.
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