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  • 1
    Electronic Resource
    Electronic Resource
    Closed Reduction of Bilateral Locked Facets of the Cervical Spine Under General Anaesthesia (1998)
    Springer
    Acta neurochirurgica 140 (1998), S. 1055-1061 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Cervical spine; locked facets; manual closed reduction; traction.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary  Background. Bilateral facet interlocking of the cervical spine is a relatively uncommon type of cervical spinal injury. It is frequently associated with devastating neurological symptoms and signs. Early reduction of the locked facets is thought to be critical in preventing progressive secondary spinal cord injury. Whereas skull tong traction remains our primary option for closed reduction of bilateral locked facets of the cervical spine, it is not always successful, even with heavy traction weights. Other more aggressive measures may occasionally be required. The authors report their experience in reducing bilateral locked facets of the cervical spine by manual closed reduction.  Methods. This small series consists of six cases of cervical spinal injury with bilateral locked facets in which manual closed reduction under general anaethesia and muscle relaxation was used. Three of them presented with complete quadriplegia (Frankel class A). One case presented with incomplete but severe neurological deficits (Frankel class B). After unsuccessful closed reduction with skull traction, these patients were treated by manual closed reduction under general anaesthesia and muscle relaxation, followed by anterior discectomy, interbody fusion and stabilization.  Results. All cases made neurological improvement after the procedures. Even in cases with initial severe neurological deficits, the recovery was remarkable. The recovery was dramatic in two cases. Case 1 improved from Frankel class B to E; and Case 5 from Frankel class A to D. No case deteriorated neurologically after the procedures. Pneumonia occurred in Case 3; and stress ulcer accompanied by haemorrhage was noted in Case 4. None of these complications was directly related to the procedures.  Conclusion. The potential for improvement of neurological function following early and successful reduction and fixation of the dislocated spine is emphasized. With meticulous techniques, manual closed reduction may be an effective alternative to skull tong traction when the latter fails.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010050214
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    catena-Poly[[bis(imidazole-N3)cadmium(II)]-bis(μ-thiocyanato)-S:N;N:S] (1999)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 55 (1999), S. 2012-2014 
    Details
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0108270199011075
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Selection and dissemination of digital video via the Virtual Video Browser (1995)
    Springer
    Multimedia tools and applications 1 (1995), S. 149-172 
    Details
    ISSN: 1573-7721
    Keywords: video indexing ; internet-based services ; metadata management ; client-server architectures ; video-on-demand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract In this paper we describe the Virtual Video Browser (VVB) software application designed to allow the interactive browsing and content-based query of a video database and to facilitate the subsequent playout of selected titles. The VVB is a manifestation of our mechanisms for the location, identification, and delivery of digital audio and video in a distributed system which can be extended to several application domains including multimedia-based home entertainment, catalog shopping, and distance learning. The VVB employs a two phase retrieval process to serve its users. In the query phase, user queries are sent to a metadata server for processing. In the subsequent playout phase, a connection is established between the client workstation and a video server for the delivery of video data. The VVB incorporates a simple query interface that lets users specify their preferences to the system and retrieve the appropriate video. The application is designed to work in a distributed environment where video sequences are stored in different databases interconnected via a network. It has been shown to be a viable target application useful for investigating research problems related to building interactive multimedia systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01215936
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Determination of low level85Kr and133Xe concentrations in the environment (1995)
    Springer
    Journal of radioanalytical and nuclear chemistry 194 (1995), S. 411-417 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This study was performed under the joint TRMC/INER program for the determination of low level85Kr and133Xe concentrations in the environmental air samples. Based on cryogenic adsorption of krypton and xenon on charcoal followed by chromatographic separation from other gases, the85Kr and133Xe recovered from 200 liters of atmospheric air can be determined by either on-line gas flow proportional counter or liquid scintillation counting. The recovery yields of krypton and xenon examined by using85Kr and133Xe tracers were nearly 100%. The minimum detectable activity of85Kr and133Xe by gas flow proportional counting is about 7.40 Bq. The method is satisfactory for environmental monitoring applications under abnormal conditions of nuclear facilities. However, for lower level environmental85Kr and133Xe measurements, the liquid scintillation counting method can be applied due to their extremely low detection limits (i.e. 0.107 Bq and 0.093 Bq for85Kr and133Xe, respectively). Using this method, the measurable limits of concentrations are 0.535 Bq/m3 and 0.466 Bq/m3 for85Kr and133Xe, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02038441
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    Paper (German National Licenses)
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