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  • Articles: DFG German National Licenses  (5)
  • Electronic Resource  (5)
  • 1985-1989  (1)
  • 1970-1974  (4)
Source
  • Articles: DFG German National Licenses  (5)
Material
  • Electronic Resource  (5)
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 93 (1971), S. 6257-6264 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 180 (1971), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1439-0973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei 122 Patienten mit malignen hämatologischen Erkrankungen wurde eine allogene Knochenmarkstransplantation durchgeführt; als Spender dienten Geschwister mit entsprechendem HLA-Anti-genmuster. Während der granulozytopenischen Phase wurde nach Randomverfahren eine von zwei Formen der Infektionsprophylaxe durchgeführt. 1.) Dekontamination und Isolation unter Laminar Air Flow (LAF, 68 Patienten), 2.) LAF plus Prophylaxe mit systemischen Antibiotika (LAF+PSA, 54 Patienten). Während der Isolation wurde bei den Patienten eine Infektionskontrolle durchgeführt. Bei 11 Patienten der LAF-Gruppe (16%) und bei drei Patienten der LAF+PSA-Gruppe (6%) trat eine Septikämie auf. Zu einer schweren lokalisierten Infektion kam es bei 14 Patienten der LAF-Gruppe (21%) und bei vier Patienten der LAF+PSA-Gruppe (7%). In der Inzidenz und im Schweregrad der Graft-versus-host-Krankheit und in der Inzidenz und Dauer von Fieber bestanden keine Unterschiede zwischen den beiden Gruppen. Die zusätzliche Prophylaxe mit intravenös verabreichten Breitspektrumantibiotika führte bei Patienten unter Isolation in Laminar Air Flow-Räumen zu einem signifikant geringeren Auftreten von Infektionen.
    Notes: Summary 122 patients with hematologic malignancies underwent allogeneic marrow transplantation from HLA-matched sibling donors and received one of two forms of infection prophylaxis while granulocytopenic: 1) decontamination and laminar air flow isolation (LAF, 68 patients), and 2) LAF plus prophylactic systemic antibiotics (LAF+PSA, 54 patients). Patients were evaluated for infection acquisition while in isolation. Septicemia occurred in 11 (16%) of the patients in the LAF group and in three (6%) patients in the LAF+PSA group. Fourteen (21%) of the patients in the LAF group and four (7%) patients in the LAF+PSA group had a major local infection. There was no difference in the incidence and severity of graft-versus-host disease or incidence and duration of fever. The addition of prophylactic intravenous broad-spectrum antibiotics for patients isolated in LAF rooms significantly decreased infection acquisition.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Experimental mechanics 14 (1974), S. 169-176 
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Stress-induced optical birefringence in transparent materials has long been a common technique of stress analysis. Although stress-induced acoustic birefringence was discovered more than 20 years ago, its development and actual applications are still limited. This paper will look at the similarities and differences between the propagation of light waves in photoelastic materials and the propagation of ultrasonic waves in deformed solids. Critical comparisons of the experimental methods employed in photoelasticity with those available in modern ultrasonic measuring technique show why previous studies on ultrasonic measurement of stresses were not very successful. A new experimental technique is devised for using ultrasonic waves for stress analysis. The technique employs a single rotatable 10-MHz shear transducer as the transmitter and receiver of ultrasonic pulses. The enlarged display of the 10-MHz modulated-pulse pattern of reflected echoes provides a convenient way to determine the directions of principal axis of the stress within ±3 deg. The pulse-echo-overlap method is used to measure the absolute velocities of the two principal shear waves. The difference in principal stresses is then calculated from the velocity measurements. Test results of common structural-aluminum and steel specimens under uniaxial compression show a linear relation between the velocity changes and the applied stress. Ultrasonic measurements of stress distribution in a 6.35-cm diameter, 1.9-cm-thick aluminum disk under diametric compression are also reported.
    Type of Medium: Electronic Resource
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