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Grid ratio (rt)
| Глоссарий терминов по технологиям неразрушающего контроля (NDT) |
The ratio of the depth of the opaque strips of a grid, measured in the direction of the primary beam, to the spacing between them.
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Fatigue strength reduction factor (kf), английский
The ratio of the fatigue strength of a member or specimen with no stress concentration to the fatigue strength with stress concentration. kf has no meaning unless the geometry, size and material of the member or specimen and stress range are stated.
Decontamination factor (rt), английский
The ratio of the amount of radioactive contaminant initially present to the amount remaining after a suitable processing step has been completed. a factor referring to the reduction of the gross measurable radioactivity.
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