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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Computing 44 (1990), S. 47-57 
    ISSN: 1436-5057
    Keywords: 65G10 ; 65K10 ; Interval analysis ; multicriterion optimization ; multiobjective optimization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Bei der Bestimmung des globalen Optimums werden in der Vektoroptimierung intervallanalytische Methoden angewendet. Hier diskutieren wir Optimierungsprobleme, bei denen mehrere Zielfunktionen in Konfliktsituationen optimiert werden müssen.
    Notes: Abstract Interval Analysis methods have been applied for obtaining the global optimum of the multimodal multivariable functions. We discuss here the multicriterion optimization problem, where several objective functions must be optimized in conflicting situations.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1920
    Keywords: Arteriovenous malformations ; Embolisation ; Guide wire ; Minicatheter ; Progressive suppleness pursil catheter ; Superselective catheterisation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract For safe, more definitive embolisation of arteriovenous malformations, improved selectivity of the catheter is desirable. This report describes the advantage of the combined use of a progressive suppleness pursil catheter and a hydrophilic polymer-coated guide wire, together with precaution against complications. In 14 patients, 27 vessels were catheterised with this. Chemical embolisation using oestrogen alcohol and polyvinyl acetate was carried out only if sufficiencytly superselective catheterization was achieved with negative results on a provocation test. Chemical embolisation was successful in 25 vessels, but in three vessels catheterised very distally, it required much more time to withdraw the catheter because of the friction between it and the wall of the vessel.
    Type of Medium: Electronic Resource
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