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Pulse length (ut)
Глоссарий терминов по технологиям неразрушающего контроля (NDT) |
A measure of the duration of a pulse, expressed in time or number of cycles.
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Lift-off (et), английский
A measure of the gap between the face of a surface probe and the surface being inspected. it is a measure of the coupling between the probe and the material being inspected.
Lumen (pt, mt), английский
A measure of the brightness of light. a unit of luminous flux equal to the light emitted in a unit solid angle by uniform point source of one candle.
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