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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 45 (1988), S. 205-214 
    ISSN: 1432-0649
    Keywords: 42.65 ; 33.20.Fb ; 36.40.+d ; 34.50.Ez
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Supersonic molecular beams of D2, CH4, NH3, and C2H4 are investigated in the expansion region employing collinear coherent anti-Stokes Raman spectroscopy (CARS). The analysis of rotationally resolved CARS spectra allows the determination of temperatures in the beam. The rotational relaxation as a function of stagnation pressure and separation from the nozzle is studied by recording theQ branch for D2 and the ν3 R andS branches for CH4. Rotational temperatures for NH3 are determined by investigating the complete ν3 band. At strong stagnation conditions broad structures arise which can be attributed to the formation of NH3 clusters. For C2H4 the ν5 band with resolved rotational structure is reported. Again, at larger distances from the nozzle, broad structures are observed. They are assigned to the ν1 and ν5 vibrations in the C2H4 cluster.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 366 (1985), S. 131-133 
    ISSN: 1435-2451
    Keywords: Endoscopy ; Oesophagus perforation ; Mediastinitis ; Oesophagostoma ; Endoskopie ; Oesophagusperforation ; Mediastinitis ; Oesophagostoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die instrumentelle iatrogene Oesophagusperforation steht in der Ursachenhäufigkeit an vorderster Stelle der endoskopischen Eingriffe, die in neuerer Zeit immer mehr an Bedeutung gewonnen haben. Vom 1. 1. 73 bis 31. 12. 84 sahen wir in Mannheim 46 Oesophagusperforationen. Der jüngste Patient war ein 2jähriges Mädchen mit einer benignen Stenose, der älteste ein 89jähriger Mann mit einem Kardia-Ca. Der Altersdurchschnitt betrug 62 Jahre. 26 Patienten wurden konservativ behandelt und 20 Patienten mußten operiert werden. In 2 Fällen war eine Diskontinuitäts-Operation erforderlich. In 1 Fall erfolgte die Rekonstruktion 6 Monate später erfolgreich. 9 Patienten verstarben. In jedem Fall war die Todesursache kardio-pulmonales Versagen bei septischem Geschehen.
    Notes: Summary The number of oesophagus perforations has increased considerably with the increase in endoscopic, diagnostic and therapeutic procedures. 46 instrumental oesophagus perforations have been observed between 1973 and 1984. The youngest patient was a 2-year-old girl with a benign oesophagus stenosis and the eldest was an 89-year-old man with a neoplasm of the cardia. The average age was 62 years. 26 patients were treated conservatively; 20 patients were treated surgically. In 2 cases the oesophagus was diverted at the cervical level and the cardia detached. 8 months later this was successfully reconstructed. 9 out of 43 patients died. In every case, the cause of death were cardio-pulmonal complications accompanying general sepsis.
    Type of Medium: Electronic Resource
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