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DeCS
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Descriptor English:
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X-Ray Intensifying Screens
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Descriptor Spanish:
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Pantallas Intensificadoras de Rayos X
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Descriptor Portuguese:
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Ecrans Intensificadores para Raios X
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Synonyms English:
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Film-Screen Systems, X-Ray
Radiographic Intensifying Screens
Screen-Film Systems, X-Ray
X-Ray Film-Screen Systems
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Tree Number:
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E07.970
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Definition English:
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Screens which absorb the energy in the x-ray beam that has penetrated the patient and convert this energy into a light pattern which has as nearly as possible the same information as the original x-ray beam. The more light a screen produces for a given input of x-radiation, the less x-ray exposure and thus shorter exposure time are needed to expose the film. In most film-screen systems, the film is sandwiched between two screens in a cassette so that the emulsion on each side is exposed to the light from its contiguous screen. |
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History Note English:
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89(82); was see under RADIOGRAPHIC IMAGE ENHANCEMENT 1982-88
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Allowable Qualifiers English:
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Record Number:
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15361
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Unique Identifier:
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D014963
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Occurrence in VHL:
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Similar:
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DeCS CID-10 SciELO LILACS LIS
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