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  • 1990-1994  (4)
  • 1992  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Magnetic properties of superconducting YBa2Cu3Ox permanent magnets prepared by the melt process (1992)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 72 (1992), S. 2404-2410 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Demagnetizing curves after field cooling were measured in the melt processed YBa2Cu3Ox superconductors using a vibrating sample magnetometer and a SQUID magnetometer. The curves showed that the samples worked as strong bulk permanent magnets. This is attributed to the strong flux pinning of the bulk superconductors and is well explained in terms of the Bean–London model. The magnetic properties of the permanent magnet can be continuously changed using the field-cooling technique. The magnet properties of the melt-powder–melt-growth processed YBa2Cu3Ox with 1.5 mm thickness obtained at 5 K after field cooling in 10 kOe are as follows: the residual flux densities Br are 9.6 kG (H(parallel) c) and 8.5 kG (H⊥ c); the coercive forces bHc are 33 kOe (H(parallel) c) and 17 kOe (H⊥ c); and the maximum energy product, (BH)max, are 110 MGOe (H(parallel) c) and 49 MGOe (H⊥ c).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.351584
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Gas Permeation Characteristics of Zirconia-Silica Composite Membranes at High Temperature (1992)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 61-62 (Jan. 1992), p. 353-358 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/58/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.61-62.353.pdf
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Thermal calculation of the hot rolling process of sheet aluminium (1992)
    Springer
    Archive of applied mechanics 62 (1992), S. 435-446 
    Details
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht Vorgestellt wird ein numerisches Modell zur Ermittlung der Walzguttemperatur in einer Warmbandstraße für Aluminium, das auf einfachen theoretischen Grundannahmen beruht. Mit dem Modell wird die Möglichkeit der Produktivitätssteigerung durch eine veränderte Gestaltung der Fertigstraße unter dem Gesichtspunkt der Steuerung der Walzguttemperatur untersucht. Die Ergebnisse zeigen, daß die Erhöhung der Anzahl der Fertiggerüste einen positiven Einfluß auf die Produktivität hat.
    Notes: Summary In order to predict the material temperature throughout the hot rolling process of aluminium, a numerical model is proposed in a theoretical as well as simple way. Using the model, the possibility of the improvement in productivity by reforming the finishing mill arrangement is examined under aspect of the control of material temperature. The results so obtained show the positive effect of increasing the number of finishing mills on the productivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00810234
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Readjusting the loop tension for resolving postoperative urination difficulties and recurrent stress incontinence after stamey suspension of the vesical neck (1992)
    Springer
    International urogynecology journal 3 (1992), S. 104-109 
    Details
    ISSN: 1433-3023
    Keywords: Postoperative difficulties in urination ; Postoperative recurrent incontinence ; Stamey operation ; Stress incontinence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Excessive tension of the vesical neck sutures produces postoperative urinary retention or difficulties in urination after anti-stress urinary incontinence operations. We have demonstrated that these complications after the Stamey operation and its modifications can be resolved by readjusting the suspending loops to an adequate tension under local anesthesia, since these operations use non-absorbable monofilament loops for the suspension of the vesical neck. The technique was also applied for the correction of insufficient suspension which caused persistent or recurrent stress incontinence after these operations. The procedure was performed for 7 patients with postoperative difficulties in urination, and for 7 with postoperative recurrence of stress incontinence, and all of them recovered normal urination without stress incontinence. These procedures have been performed successfully even 27 months after a Stamey operation. These cases suggest that a recurrence of stress incontinence, even several years after the Stamey operation, can be cured with our procedure, as long as the supporting tissue of the suspending loops is not damaged.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00455082
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    Paper (German National Licenses)
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