Published September 2007
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Possible usage of X-fluorescence in routine quality control of X-ray diagnostic units
Description
Small changes in the peak voltage of a diagnostic x-ray tube can cause significant modifications in the absorbed dose or degrade the contrast of an x-ray image. It has been suggested that kVp should be monitored routinely however a standardized noninvasive technique for kVp monitoring has yet to be developed. Our measurements have demonstrated that the ratio of the integral number of Compton scattered photons to that of fluorescent photons using a fixed geometry is a sensitive index of kVp (peak tube voltage)
Abstract (Serbian)
Male varijacije napona kojim se napajaju rendgenske cevi mogu uzrokovati znacajne promene apsorbovane doze kao i degradaciju kontrasta rendgenske slike. Mada je preporuceno da se kVp rutinski kontrolise, jos uvek ne postoji standardizovana tehnika za kontrolu visokog napona rendgenskih cevi. U ovom radu su istrazene mogucnosti upotrebe karakteristicne h-fluorescentne radijacije koja se emituje tokom izlaganja odabranog materijala snopu rendgenskog zracenja. Preliminarni rezultati pokazuju da je intenzitet kako Komptonski rasejanog tako i fluorescentnog zracenja veoma zavistan od maksimalne energije rendgenskog snopa i da bi se jednostavnim spektroskopskim merenjem mogao dobiti veoma senzitivan pokazatelj varijacija visokog napona dijagnosticke rendgenske ceviFiles
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Additional details
Additional titles
- Original title (Serbian)
- Neke mogucnosti upotrebe X-fluorescencije u rutinskoj kontroli kvaliteta rendgenskih dijagnostickih uredjaja
Publishing Information
- Publisher
- Institute of Nuclear Science VINCA, Radiation Protection Society of Serbia and Montenegro
- Imprint Place
- Belgrade (Serbia)
- ISBN
- 978-86-7306-089-7
- Imprint Title
- Radiation Protection Society of Serbia and Montenegro. Proceedings of 24. Symposium
- Imprint Pagination
- 440 p.
- Journal Page Range
- p. 325-329
- Report number
- INIS-RS--1134
Conference
- Title
- 24. Symposium of Radiation Protection Society of Serbia and Montenegro
- Dates
- 3-5 Oct 2007
- Place
- Zlatibor (Serbia)
INIS
- Country of Publication
- Serbia
- Country of Input or Organization
- Serbia
- INIS RN
- 39066591
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; S62: RADIOLOGY AND NUCLEAR MEDICINE;
- Resource subtype / Literary indicator
- Conference, Numerical Data
- Descriptors DEI
- COMPARATIVE EVALUATIONS; COMPTON EFFECT; DIAGNOSIS; ELECTRIC POTENTIAL; EXPERIMENTAL DATA; HAFNIUM; PENETROMETERS; PHOTON BEAMS; PHOTON EMISSION; QUALITY CONTROL; RADIATION DOSES; SCATTERING; SENSITIVITY; TARGETS; VARIATIONS; X RADIATION; X-RAY FLUORESCENCE ANALYSIS; X-RAY SPECTRA; X-RAY TUBES
- Descriptors DEC
- BASIC INTERACTIONS; BEAMS; CHEMICAL ANALYSIS; CONTROL; DATA; DOSES; ELASTIC SCATTERING; ELECTROMAGNETIC INTERACTIONS; ELECTROMAGNETIC RADIATION; ELECTRON TUBES; ELEMENTS; EMISSION; EQUIPMENT; EVALUATION; INFORMATION; INTERACTIONS; IONIZING RADIATIONS; MEASURING INSTRUMENTS; METALS; NONDESTRUCTIVE ANALYSIS; NUMERICAL DATA; RADIATIONS; REFRACTORY METALS; SCATTERING; SPECTRA; TRANSITION ELEMENTS; X-RAY EMISSION ANALYSIS; X-RAY EQUIPMENT
Optional Information
- Notes
- 5 refs., 3 figs. This record replaces record 38114325 Imprint:Zbornik radova sa 24. Simpozijuma Drustva za zastitu od zracenja Srbije i Crne Gore