| Standardization field | Metallic materials |
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| Technical committee | BAS/TC 24- Non-destructive testing (NDT) |
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| Term (EN) | Geometric unsharpness |
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| Definition (EN) | Unsharpness of a radiographic image arising from the finite size of the source of radiation. Its magnitude also depends on the distances of source-to-object and object-to-film. Also called geometric blurring or penumbra.
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| Term (FR) | |
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| Definition (FR) | |
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| Term (DE) | |
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| Definition (DE) | |
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| Term (BS) | Geometrijska neoštrina |
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| Definition (BS) | Neoštrina slike na radiogramu nastala zbog konačnih dimenzija izvora zračenja. Njena veličina također zavisi od rastojanja izvor-predmet i predmet-film. Naziva se još i geometrijska nejasnoća ili penumbra (polusjenka)
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| Term (HR) | |
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| Definition (HR) | |
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| Term (SR) | |
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| Definition (SR) | |
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| Date | 2016-02-25 |
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| Standards | BAS EN 1330-3:2001 |
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