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  • 2000-2004  (1)
  • 1995-1999  (1)
  • Hydrodynamic volume  (1)
  • Key words Exophthalmos  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Aesthetic problems of eye protrusion in Orientals (1999)
    Springer
    European journal of plastic surgery 22 (1999), S. 308-312 
    Details
    ISSN: 1435-0130
    Keywords: Key words Exophthalmos ; Protruding eyeball ; Decompression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The typical characteristics of Oriental faces are less prominent supraorbital ridges, a flat and broad nose, and thick, bulky upper eyelids. These characteristics make the eye appear protruded even when they are within the normal range or on the borderline of the exophthalmometric data. Prior to correction of the protruding eye, the patient’s medical and psychological status are investigated. The volume of the bony orbit is estimated using 3-D CT scan data and exophthalmometry before and after the operation. The surgical correction is planned to decompress the orbital contents with preservation of the visual axis. The lateral orbital wall is expanded without change of facial width. The medial wall and orbital floor are outfractured with preservation of continuity of the maxillary and ethmoid bone and sinus mucosa to prevent herniation of the orbital contents and disturbance of extraocular muscle dysfunction. Removal of the retrobulbar fat is mainly from the upper half of the orbit. In the past three years, orbital decompression has been performed in eight patients (12 eyes) for aesthetic reasons. The exophthalmometric data ranged from 17.5 mm to 19.5 mm, with an average of 18.3 mm before operation, this changed 2.0 to 7.0 mm with an average of 3.54 mm after operation. The postoperative complications were two cases of subconjunctival hemorrhage and one case of temporary diplopia. After follow-up of 14 months (4–38 months), there were no cosmetic or functional problems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002380050269
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Universal drag reduction characteristics of saline water-soluble poly(ethylene oxide) in a rotating disk apparatus (2000)
    Springer
    Colloid & polymer science 278 (2000), S. 701-705 
    Details
    ISSN: 1435-1536
    Keywords: Key words Drag reduction ; Poly(ethylene oxide) ; Hydrodynamic volume ; Ocean thermal energy conversion ; Rotating disk flow ; Turbulence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract  Polymer-induced turbulent drag reduction in a rotating disk apparatus was investigated using nonionic poly(ethylene oxide) (PEO) in a synthetic saline solution with novel application to ocean thermal energy conversion technology. A maximum total (skin friction plus form) drag reduction of 30% was obtained with 50 wppm of PEO with molecular weight 5.0 × 106. The concentration dependence of the percentage drag reduction for the PEO/saline solution system is found to fit Virk's empirical correlation, and a universal correlation for various molecular weights and Reynolds numbers is also presented. Furthermore, hydrodynamic volume fraction was introduced to correlate drag reduction efficiency with molecular parameters in this PEO/saline solution system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003960000328
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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