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- cantidad definida de material centelleante, en la forma adecuada
componente sensible a la radiación ionizante en un detector de centelleo, compuesto de una cantidad definida de material centelleante, en la forma adecuada
IEC International electrotechnical comis - by Laura Ester Hernández
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- Uno scintillatore è un materiale capace di emettere impulsi di luce, in genere visibile o ultravioletta, quando viene attraversato da fotoni di alta energia o da particelle cariche. Wikipedia - by pcs_MCIL
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- Esistono diverse tipologie di scintillatori che si distinguono per tipo di materiale di cui sono composti, i tempi di risposta, le lunghezze d'onda emesse, l'efficienza di scintillazione (quanta energia viene convertita in luce) etc. - Wikipedia
by pcs_MCIL - Per poter infiammare la miscela di aria e combustibile all'interno della camera di scoppio del Pulso-reattore occorre costruire uno scintillatore che faccia scoccare delle scintille elettriche in sequenza periodica fra gli elettrodi di una candela del tipo usata negli autoveicoli. - Sito Web Ruggero Billeri
by pcs_MCIL - Definiamo scintillatore qualunque materiale che emette un impulso di luce poco dopo il passaggio di una particella carica.
- prof. Valdata (Università Perugia)
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- Οι σπινθηριστές είναι υλικά που εκπέμπουν στο ορατό ή κοντά στο ορατό φως όταν
απορροφούν ενέργεια υπό τη μορφή ιονίζουσας ακτινοβολίας Own research - by STAMATIOS FASSOULAKIS
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- Ο όγκος
και η θέση των ιστών ορίζεται από ένα σύστημα εστιασμένων ή παράλληλων
φωτοκατευθυντήρων (collimators) που παρεμβάλλονται μεταξύ του ασθενούς και των
κρυστάλλων σπινθηρισμού, αφήνοντας έτσι να περάσει μόνο πρωτεύουσα ακτινοβολία
(ακτίνες γ που προσπίπτουν απ' ευθείας στους κρυστάλλους χωρίς να έχουν υποστεί
σκέδαση) από διάφορα στρώματα ιστών. - www.csd.uoc.gr/~hy571/NOTES/nuclear_med.
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- A scintillator is a substance that absorbs high energy (ionizing) electromagnetic or charged particle radiation then, in response, fluoresces photons at a characteristic Stokes-shifted (longer) wavelength, releasing the previously absorbed energy. See also Scintillation (physics). Scintillators are defined by their light output (number of emitted photons per unit absorbed energy), short fluorescence decay times, and optical transparency at wavelengths of their own specific emission energy. The latter two characteristics set them apart from phosphors. The lower the decay time of a scintillator, that is, the shorter the duration of its flashes of fluorescence are, the less so-called "dead time" the detector will have and the more ionizing events per unit of time it will be able to detect.
Wikipedia - by Shazly
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