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  • Artikel: DFG Deutsche Nationallizenzen  (5)
  • 1985-1989  (5)
Datenquelle
  • Artikel: DFG Deutsche Nationallizenzen  (5)
Materialart
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 61 (1987), S. 2381-2386 
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: Positive temperature coefficient resistors are evaluated in the self-heating mode as pulse generators and as opening switches in inductive storage pulse power supplies. Results from both carbon-filled polymer devices, as well as from barium-titanate-based devices, are shown. Theoretical switched powers of close to a 1/4 MW are calculated for honeycomb-shaped BaTiO3 positive temperature coefficient resistors. Switching times in the millisecond range are achieved. Pulse duration varies with ambient temperature, but this can be counteracted by using capacitative triggering. Surface flashover was one of the critical failure mechanisms. The results point towards further improved device designs.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 16 (1987), S. 0 
    ISSN: 1600-0714
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Nodular fasciitis is a benign reactive fibroblastic proliferation which usually arises from the superficial or deep fascia of the extremities and trunk. In 1981 a distinct variant, intravascular fasciitis (IVF), was reported which possessed the same clinical and histological features of more ordinary forms of nodular fasciitis but, in addition, had a striking involvement of associated arteries and/or veins. A case of intraoral IVF is presented and its clinical and histologic features are compared with those of IVF found elsewhere in the body. A brief discussion of etiology and differential diagnostic considerations is also included.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Archives of orthopaedic and trauma surgery 104 (1985), S. 247-250 
    ISSN: 1434-3916
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Zusammenfassung 21 Patienten mit zervikaler Spondylose wurden durchschnittlich 27 ± 15 Monate nach einer unkomplizierten vorderen Fusion der Halswirbelsäule untersucht. Röntgenologisch fand sich bei 14 Patienten eine vordere Instabilität des angrenzenden Segments. Ihr Auftreten korrelierte nicht mit dem Alter und Geschlecht des Patienten, mit der Fusionsstrecke oder mit dem postoperativen Zeitraum. Anhaltende oder wiederkehrende Schmerzen konnten ebenfalls in keinen Zusammenhang mit der Instabilität gebracht werden.
    Notizen: Summary Twenty-one patients suffering from cervical spondylosis and peripheral symptoms underwent uncomplicated anterior interbody fusion of the cervical spine and were re-examined clinically and radiologically at 27 ± 15 months (mean ± SD) after the operation. Translatory displacement of the segment adjacent to the fusion level was noted in 14 patients. Its incidence could not be related to the age and sex of the patient, to extent of the fusion, or to post-operative time. Anterior slippage did not correlate with persistent or recurring pain.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    ISSN: 1434-9949
    Schlagwort(e): Antiphospholipid antibodies ; VDRL, Lupus Anticoagulant ; Systemic Lupus Erythematosus ; Syphilis ; Thrombosis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Antiphospholipid antibodies have been determined in two groups of 48 sera from patients with systemic lupus erythematosus (SLE) and syphilis. Using an ELISA, IgG anticardiolipin (CL), antiphosphatidyl serine (PS) and antiphosphatidyl ethanolamine (PEA), antibodies have been detected with the same frequency in both groups of patients. Titres of antiphosphatidyl serine (PS) (p〈0.005) and PEA antibodies (p〈0.05) were significantly higher in the syphilitic sera compared to the SLE sera. Anticardiolipin binding activity of both groups of sera could be inhibited by preincubation with phosphatidic acid, phosphatidyl serine, phosphatidyl glycerol and cardiolipin antigens, but the inhibiting ratio of phosphatidyl antigen was significantly higher (p〈0.01) in the SLE group. These data suggest that anticardiolipin auto-antibodies present in SLE sera are very similar to the “reagins” or antibodies to cardiolipin seen in syphilitic sera. IgG anticardiolipin antibodies may be an epiphenomenon and are probably not implicated in the pathogenesis of the thrombotic diathesis seen preferentially in some patients with SLE.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    ISSN: 1434-9949
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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