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- Scintilacioni detektori. Zračenje pobuđuje atome materijala (scintilatora), nakon čega se oni deekscituju emitujući svetlost u formi kratkotrajnog impulsa (bljeska), tj. scintilacija. U najčešćem broju slučajeva scintilator emituje ljubičastu ili plavu svetlost. Medicinski fakultet u Beogradu - by V&M Stanković
- Example sentence(s)
- Kada naelektrisana čestica prolazi kroz materiju, ona ekscituje jedan deo atoma i molekula sredine. Kod nekih materijala mali deo deponovane energije čestica se oslobađa emisijom fotona u vidljivoj oblasti. Ovo se naziva scintilacija materijala. Kod scintilacije su bitna dva efekta: fluorescencija i fosforescencija. U slučaju fluorescencije svetlost se emituje u izuzetno kratkom vremenskom intervalu posle prolaska čestice (~10 ns), dok kod fosforescencije pobuđeni molekuli ostaju u metastabilnom stanju pa je vreme emisije duže. Sve scintilatore možemo podeliti u dve grupe: organske i neorganske. - Prirodno-matematički fakultet, Novi Sad by V&M Stanković
- P.Marinković, "Realizacija spektrometra brzih neutrona sa organskim scintilatorom", XXXI Konferencija ETAN-a, str. IX.343-IX.350, (Bled, 1-5. Juna 1987.) - Elektrotehnički fakultet, Beograd by V&M Stanković
- Sonda je bila opremljena naučnim instrumentima, uključujući magnetometar zakačen za antenu, dve jonske zamke za merenje solarnog vetra, mikrometeoritske detektore, Gajgerov brojač i natrijum jodidni scintilator za merenje kosmičkog zračenja. - Vikipedija by V&M Stanković
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- Cada detector é constituído por um cintilador ligado por um guia de luz a um fotomultiplicador Laboratório de Instrumentação e Físi - by jlabt
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- O detector é
composto por duas partes: uma matriz de cintiladores embebidos em paredes
fabricadas a partir de um material reflector, e uma matriz de elementos de imagem
(pixels) construído em tecnologia CMOS. As paredes fabricadas a partir dum
material reflector formam guias de luz que evitam a dispersão da luz visível
produzida pelos cintiladores e a consequente interferência entre cada pixel e os seus
vizinhos. - DETECTOR DE RAIOS-X BASEADO EM CINTILADO by jlabt
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- Nuclear Eng/Sci
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- Substance in which flashes of light are generated by impinging ionizing radiation (fluorescence). Nal(Tl)-monocrystals are particularly suitable for the detection of gamma radiation and anthracene or diphenyl oxazole dissolved in toluene is suitable for beta radiation. ZnS(Ag) is a favourable scintillator for detection of alpha radiation. European Nuclear Society - by Enrique Cavalitto
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- Gadolinium silicate doped with cerium is a "fast" crystal and can be used as a protection scintillator. Its possible applications include computer tomography, spatial resolution of less than 1 mm. - Marketech International by Enrique Cavalitto
- YAG (Yttrium Aluminum Garnet) single crystal scintillators are chosen by many scanning electron microscopists because they have a very fast response time of 50 - 60ns and (unlike plastic or most phosphor scintillators) they do not degrade when bombarded by electrons or ions. - Canemco & Marivac by Enrique Cavalitto
- Plastic scintillators are prepared by bulk polymerization in aluminium (size up to 3.5 m) or glass cast and by pressure molding technique. - Amcrys-H by Enrique Cavalitto
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