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Träfflista för sökning "WFRF:(Ekberg A) srt2:(1990-1994)"

Sökning: WFRF:(Ekberg A) > (1990-1994)

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  • Hof, G J van het, et al. (författare)
  • Extension of the analysis of Ni IX
  • 1990
  • Ingår i: Physica Scripta. - : IOP Publishing. - 1402-4896 .- 0031-8949. ; 41:2
  • Tidskriftsartikel (refereegranskat)abstract
    • The spectrum of eight times ionised nickel, Ni IX, was photographed in the 100-170 Å wavelength interval. In this region 80 lines were identified as transitions from the 3p63d2 ground configuration to the mixed 3p53d3 + 3p63d4p configurations and 35 lines were identified as 3p63d2 - 3p63d4f transitions. All 9 levels of the 3p63d2 configuration and all 12 levels of the 3p63d4p configuration have been established, together with 23 of the 110 possible 3p53d3 and 17 of the 20 possible 3p63d4f levels. Parametric fits were made and the results are compared to Hartree-Fock calculations.
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  • Levine, M S, et al. (författare)
  • Duodenitis: a reliable radiologic diagnosis?
  • 1991
  • Ingår i: Gastrointestinal Radiology. - 0364-2356. ; 16:2, s. 99-103
  • Tidskriftsartikel (refereegranskat)abstract
    • The authors performed a retrospective study of 50 patients with endoscopically diagnosed duodenitis who had undergone double-contrast upper gastrointestinal (GI) examinations. Duodenitis was diagnosed on the original radiographic reports in six of 37 patients (16%) with mild-to-moderate duodenitis, five of 13 patients (38%) with severe duodenitis, and 11 of 50 patients (22%) with all grades of duodenitis on endoscopy. Subsequent analysis of the films revealed one or more radiologic signs of duodenitis (including folds more than 4 mm in thickness, mucosal nodularity, bulbar deformity, and erosions) in 18 of 37 patients (49%) with mild-to-moderate duodenitis, eight of 13 patients (62%) with severe duodenitis, and 26 of 50 patients (52%) with all grades of duodenitis on endoscopy. In a separate part of the study, the authors identified another 20 patients with radiographically diagnosed duodenitis who had undergone endoscopic examinations. Nine of those 20 patients (45%) had duodenitis on endoscopy. Subsequent analysis of the films revealed one or more signs of duodenitis in 17 patients from this group. Nine of the latter patients (53%) had duodenitis on endoscopy. Using established radiologic criteria for duodenitis, our rate of false-positive and false-negative radiologic diagnoses still was about 50%. Thus, the double-contrast upper GI examination is a relatively unreliable technique for diagnosing duodenitis.
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