. "Micro-XRF; Focusing; X-ray Tube"@en . . "RIV/68407700:21340/11:00187520!RIV12-MSM-21340___" . "\u010Cl\u00E1nek je v\u011Bnov\u00E1n stanoven\u00ED parametr\u016F aparatury vyu\u017E\u00EDvaj\u00EDc\u00ED rentgenku s polykapil\u00E1rn\u00ED fokusac\u00ED. Pomoc\u00ED fokusuj\u00EDc\u00EDch optik je mo\u017En\u00E9 doc\u00EDlit prvkov\u00E9 anal\u00FDzy velmi mal\u00FDch ploch pomoc\u00ED mikroskopick\u00E9 rentgenfluorescen\u010Dn\u00ED anal\u00FDzy (\u03BC-XRF). S vyu\u017Eit\u00EDm t\u00E9to techniky je mo\u017En\u00E9 dos\u00E1hnout velmi vysok\u00FDch intenzit z\u00E1\u0159en\u00ED, respektive d\u00E1vek, v ohniskov\u00E9 vzd\u00E1lenosti kapil\u00E1ry. Po\u017Eadavek p\u0159esn\u00FDch informac\u00ED o parametrech svazku je tedy nezbytn\u00FD a byl to hlavn\u00ED c\u00EDl t\u00E9to pr\u00E1ce. Sledovan\u00E9 parametry byly velikost profilu svazku z\u00E1\u0159en\u00ED X v z\u00E1vislosti na vzd\u00E1lenosti od konce kapil\u00E1ry, homogenita svazku, energetick\u00E1 distribuce z\u00E1\u0159en\u00ED a tok emitovan\u00FDch foton\u016F."@cs . "RIV/68407700:21340/11:00187520" . . "3/4" . "Dragounov\u00E1, Lenka" . "2"^^ . "Determination of X-ray tube with polycapillary focusing using radichromic films and X-ray spectrometry"@en . "This article deals with a parameters determination of X-ray tube equipped with polycapillary focusing optics. Using polycapillary focusing X-ray optics it is possible to achieve elemental analyses of very small areas in microscopic X-ray fluorescence analysis (\u03BC-XRF). Very high dose rates can be achieved in a focal spot of the focusing X-ray optics. Requirement of precise information on beam parameters is obvious. The main aim of this investigation was the determination of parameters of our X-ray system. Determined parameters were the diameter of the X-ray beam profile versus the distance from the source, homogeneity of the beam, energy distribution, and the total flux of the emitted photons."@en . "Determination of X-ray tube with polycapillary focusing using radichromic films and X-ray spectrometry"@en . "2"^^ . . . "21340" . . "[E114B0E27333]" . . "Bezpe\u010Dnost jadern\u00E9 energie" . . . "232035" . . "CZ - \u010Cesk\u00E1 republika" . "Stanoven\u00ED parametr\u016F rentgenky s polykapil\u00E1rn\u00ED fokusac\u00ED pomoc\u00ED radiochromn\u00EDch film\u016F a spektrometrie z\u00E1\u0159en\u00ED X" . . "P(GD202/09/H086), S" . . . "Trojek, Tom\u00E1\u0161" . "19" . "Stanoven\u00ED parametr\u016F rentgenky s polykapil\u00E1rn\u00ED fokusac\u00ED pomoc\u00ED radiochromn\u00EDch film\u016F a spektrometrie z\u00E1\u0159en\u00ED X" . . "Stanoven\u00ED parametr\u016F rentgenky s polykapil\u00E1rn\u00ED fokusac\u00ED pomoc\u00ED radiochromn\u00EDch film\u016F a spektrometrie z\u00E1\u0159en\u00ED X"@cs . "1210-7085" . . "Stanoven\u00ED parametr\u016F rentgenky s polykapil\u00E1rn\u00ED fokusac\u00ED pomoc\u00ED radiochromn\u00EDch film\u016F a spektrometrie z\u00E1\u0159en\u00ED X"@cs . "\u010Cl\u00E1nek je v\u011Bnov\u00E1n stanoven\u00ED parametr\u016F aparatury vyu\u017E\u00EDvaj\u00EDc\u00ED rentgenku s polykapil\u00E1rn\u00ED fokusac\u00ED. Pomoc\u00ED fokusuj\u00EDc\u00EDch optik je mo\u017En\u00E9 doc\u00EDlit prvkov\u00E9 anal\u00FDzy velmi mal\u00FDch ploch pomoc\u00ED mikroskopick\u00E9 rentgenfluorescen\u010Dn\u00ED anal\u00FDzy (\u03BC-XRF). S vyu\u017Eit\u00EDm t\u00E9to techniky je mo\u017En\u00E9 dos\u00E1hnout velmi vysok\u00FDch intenzit z\u00E1\u0159en\u00ED, respektive d\u00E1vek, v ohniskov\u00E9 vzd\u00E1lenosti kapil\u00E1ry. Po\u017Eadavek p\u0159esn\u00FDch informac\u00ED o parametrech svazku je tedy nezbytn\u00FD a byl to hlavn\u00ED c\u00EDl t\u00E9to pr\u00E1ce. Sledovan\u00E9 parametry byly velikost profilu svazku z\u00E1\u0159en\u00ED X v z\u00E1vislosti na vzd\u00E1lenosti od konce kapil\u00E1ry, homogenita svazku, energetick\u00E1 distribuce z\u00E1\u0159en\u00ED a tok emitovan\u00FDch foton\u016F." . . "4"^^ . . .