"P(GD202/05/H031), S" . . . "Excretion analysis and in vivo measuring methods are used for estimation of internal contamination by 241Am. Americium activity in the skull is measured with various geometries, which depend on the available instrumentation. Setting of two semiconductors detector placed 3 cm over temporal region of the skull is used in NRPI. Calibration of the system was done by several head phantoms, in this process was observed that detection efficiencies depend on size of the phantoms. The aim of the paper is to express character of the efficiency as function of the size of skull in order to obtain more accurate value of the activity and decrees its uncertainty" . . "Sn\u00ED\u017Een\u00ED systematick\u00E9 chyby in vivo m\u011B\u0159en\u00ED americia 241 v lebce"@cs . "1"^^ . . "Sn\u00ED\u017Een\u00ED systematick\u00E9 chyby in vivo m\u011B\u0159en\u00ED americia 241 v lebce"@cs . "Liptovsk\u00FD J\u00E1n" . "Reduction of Systematic Error of In-Vivo Measurement of Americium 241 Activity in the Skull"@en . . "21340" . . . "Reduction of Systematic Error of In-Vivo Measurement of Americium 241 Activity in the Skull" . "[C74EC8727C95]" . "1"^^ . . . "Americium; Calibration; In vivo; MCNPX; Skull"@en . "RIV/68407700:21340/05:04115358!RIV08-MSM-21340___" . "540403" . "Reduction of Systematic Error of In-Vivo Measurement of Americium 241 Activity in the Skull"@en . . . "Society of Nuclear Medicine and Radiation Hygiene of Slovak Medical Association" . . . "Reduction of Systematic Error of In-Vivo Measurement of Americium 241 Activity in the Skull" . . "Pro odhad \u00FAvazku efektivn\u00ED d\u00E1vky z vnit\u0159n\u00ED kontaminace 241Am se pou\u017E\u00EDv\u00E1 exkre\u010Dn\u00ED anal\u00FDza a metody m\u011B\u0159en\u00ED in vivo. Ke stanovov\u00E1n\u00ED aktivity americia v lebce se pou\u017E\u00EDvaj\u00ED r\u016Fzn\u00E9 detek\u010Dn\u00ED syst\u00E9my v r\u016Fzn\u00FDch detek\u010Dn\u00EDch geometri\u00EDch. Na SURO je pou\u017E\u00EDv\u00E1no uspo\u0159\u00E1d\u00E1n\u00ED dvou polovodi\u010Dov\u00FDch LEGe detektor\u016F kter\u00E9 jsou um\u00EDst\u011Bny 3 cm od sp\u00E1nkov\u00E9 kosti. Pro kalibraci detek\u010Dn\u00EDho syst\u00E9mu bylo pou\u017Eito n\u011Bkolik fantom\u016F lebky, a p\u0159itom bylo zji\u0161t\u011Bno, \u017Ee detek\u010Dn\u00ED \u00FA\u010Dinnost je v\u00FDznamn\u011B z\u00E1visl\u00E1 na jejich velikost\u00ED. C\u00EDlem tohoto \u010Dl\u00E1nku je vyj\u00E1d\u0159it tuto z\u00E1vislost, a t\u00EDm z\u00EDskat p\u0159esn\u011Bj\u0161\u00ED ur\u010Den\u00ED aktivity kost\u0159e sou\u010Dasn\u011B se sn\u00ED\u017Een\u00EDm nejistoty m\u011B\u0159en\u00E9 hodnoty."@cs . . "Vrba, Tom\u00E1\u0161" . "Bratislava" . "4"^^ . "2005-11-28+01:00"^^ . "Conference Proceedings - XXVII. Days of Radiation Protection" . . "Excretion analysis and in vivo measuring methods are used for estimation of internal contamination by 241Am. Americium activity in the skull is measured with various geometries, which depend on the available instrumentation. Setting of two semiconductors detector placed 3 cm over temporal region of the skull is used in NRPI. Calibration of the system was done by several head phantoms, in this process was observed that detection efficiencies depend on size of the phantoms. The aim of the paper is to express character of the efficiency as function of the size of skull in order to obtain more accurate value of the activity and decrees its uncertainty"@en . . "260;263" . "RIV/68407700:21340/05:04115358" . . "80-88806-53-4" . .