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  • 1995-1999  (4)
  • Anorectal malformation  (2)
  • 15,16-Dimethoxy-biladienes-ab  (1)
  • 2-D convoluted kernel  (1)
Datenquelle
Materialart
Erscheinungszeitraum
  • 1995-1999  (4)
Jahr
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    A novel 16,24-dehydrobiladiene-ab system: The reaction of xanthobilirubic acid methyl ester with bromine (1995)
    Springer
    Monatshefte für Chemie 126 (1995), S. 201-209 
    Details
    ISSN: 1434-4475
    Schlagwort(e): 16,24-Dehydrobiladiene-ab ; Biladiene-ab ; Xanthobilirubic acid methyl ester ; Mesobilirubin-XIIIα ; Mesobiliverdin-XIIIα ; 14-Formyl-tripyrrinone ; 15,16-Dimethoxy-biladienes-ab
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Beschreibung / Inhaltsverzeichnis: Zusammenfassung Der Umsatz von Xanthobilirubinsäuremethylester mit Brom in Methanol ergibt in 20-prozentiger Ausbeute ein rotes Pigment, für das die bislang nicht bekannte 16,24-Dehydrobiladien-ab-Konstitution abgeleitet wurde. Darüber hinaus konnte das entsprechende Mesobiliverdin-XIIIα, Mesobilirubin-XIIIα, 14-Formyltripyrrinon, und zwei diastereomere 15,16-Dimethoxybiladiene-ab aus der Reaktionsmischung isoliert werden. Die mechanistischen Aspekte dieser Reaktion werden diskutiert.
    Notizen: Summary On treating xanthobilirubic acid methyl ester with bromine in methanol, a red bile pigment, which was assigned the hitherto unknown 16,24-dehydrobiladiene-ab constitution, is obtained in 20% yield. In addition, the corresponding mesobiliverdin-XIIIα, mesobilirubin-XIIIα, 14-formyl-tripyrrinone, and two diastereomeric 15,16-dimethoxybiladienes-ab could be isolated from the reaction mixture. The mechanistic aspects of this reaction are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00812248
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    The use of augmented-pressure colostography in imperforate anus (1997)
    Springer
    Pediatric surgery international 12 (1997), S. 383-385 
    Details
    ISSN: 1437-9813
    Schlagwort(e): Key words Colostogram ; Imperforate anus ; Anorectal malformation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Colostomy is recommended in most newborns with imperforate anus (IA), except those with low-type anorectal malformations (ARM). Accurate demonstration of the anatomy of any associated fistula between the rectum and the urogenital tract is essential for optimal surgical management. Augmented-pressure distal colostography is recommended to fulfill this requirement prior to definitive surgical repair of IA. We examined 12 cases of high or intermediate-type ARM using this technique, which clearly demonstrated the distal perineal anatomy. All were confirmed at posterior sagittal anorectoplasty.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003830050157
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  • 3
    Digitale Medien
    Digitale Medien
    The use of augmented-pressure colostography in imperforate anus (1997)
    Springer
    Pediatric surgery international 12 (1997), S. 383-385 
    Details
    ISSN: 1437-9813
    Schlagwort(e): Colostogram ; Imperforate anus ; Anorectal malformation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Colostomy is recommended in most newborns with imperforate anus (IA), except those with low-type anorectal malformations (ARM). Accurate demonstration of the anatomy of any associated fistula between the rectum and the urogenital tract is essential for optimal surgical management. Augmented-pressure distal colostography is recommended to fulfill this requirement prior to definitive surgical repair of IA. We examined 12 cases of high or intermediate-type ARM using this technique, which clearly demonstrated the distal perineal anatomy. All were confirmed at posterior sagittal angorectoplasty.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01076945
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    TWO-DIMENSIONAL ELASTODYNAMIC TRANSIENT ANALYSIS BY QL TIME-DOMAIN BEM FORMULATION (1996)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 39 (1996), S. 951-985 
    Details
    ISSN: 0029-5981
    Schlagwort(e): time-domainBEM ; 2-D convoluted kernel ; transient wave ; quadratic temporal variation ; elastodynamics ; Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Mathematik , Technik allgemein
    Notizen: A quadratic time-domain Boundary Element Method (BEM) for two-dimensional (2-D) elastodynamic transient wave analysis is presented. Emphasis is focused on developing time-domain fundamental convoluted kernels and methodology for quadratic temporal solution procedure which are never presented before. In the presented BEM method, the displacement temporal variation is assumed to be quadratic, the traction temporal variation is assumed to be linear (called QL method, a two-time-step piecewise continuity method), and the spatial variations are assumed to be quadratic variation. The QL method is compared with the LC method and the QC method by solving several example problems. Numerical study reveals that the QC and QL methods are more accurate and stable than the LC method, and the QL method is much better than the QC method for transient problems.
    Zusätzliches Material: 22 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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