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  • Competitive Reaction Intensity  (2)
  • Market Structure Characteristics  (2)
  • Turbulent Flow  (2)
  • bilateral penetrating keratoplasty  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The effects of market structure characteristics on competitive reaction intensity: A longitudinal analysis (1991)
    Springer
    Marketing letters 2 (1991), S. 293-308 
    Details
    ISSN: 1573-059X
    Keywords: Market Structure Characteristics ; Exogenous Market Interventions ; Competitive Reaction Intensity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This study explores the effects of market structure characteristics and exogenous market interventions on competitive reaction intensity over time. It is found that moderate growth rate and moderate concentration induce greater competitive reactions. The effect of the exogenous intervention in the industry studied appears to have a dampening impact on competitive responses. Our research inquiry addresses some issues raised on competition, in general, by Weitz (1985) and specifically on competitive responses by Robinson (1988) and Gatignon, Anderson, and Helsen (1989).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00554133
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    The effects of market structure characteristics on competitive reaction intensity: A longitudinal analysis (1991)
    Springer
    Marketing letters 2 (1991), S. 293-308 
    Details
    ISSN: 1573-059X
    Keywords: Market Structure Characteristics ; Exogenous Market Interventions ; Competitive Reaction Intensity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This study explores the effects of market structure characteristics and exogenous market interventions on competitive reaction intensity over time. It is found that moderate growth rate and moderate concentration induce greater competitive reactions. The effect of the exogenous intervention in the industry studied appears to have a dampening impact on competitive responses. Our research inquiry addresses some issues raised on competition, in general, by Weitz (1985) and specifically on competitive responses by Robinson (1988) and Gatignon, Anderson, and Helsen (1989).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02404079
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Bilateral penetrating keratoplasty – indications, results and review of literature (1999)
    Springer
    International ophthalmology 23 (1999), S. 161-166 
    Details
    ISSN: 1573-2630
    Keywords: bilateral penetrating keratoplasty ; corneal graft failure ; endothelial rejection ; review
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: To analyze the indications, functional results, and rates of graft rejection and failure after bilateral penetrating keratoplasty (PK) in a major eye care hospital and research center in India. Methods: Retrospective review of the case records of 38 patients who underwent bilateral PK and had at least 6 months follow-up after cornealtransplantation in the second eye. Results: The mean age of the 38 patients (20 M, 18 F) was 35 ± 25 years (range, 0.5 to 79 years). Mean follow-up was 49 ± 23 months (range, 13.4 to 116.4 months) after surgery in the first eye and 31 ± 22 months (range, 6.6 to 103.6 months) after surgery in the second eye. The average time interval between surgery in the first and second eye was 18 ± 10 months (range, 0 to 38 months). The commonest indications for surgery were corneal dystrophies (50%),aphakic bullous keratopathy (21%), and keratoconus (11%). Postoperatively, secondary glaucoma occurred in 2 first and 3 second eyes. Best-corrected visual acuity at last follow-up was 〉 6/12 in 34% of first eyes and 50% of second eyes, and was 〉 6/60 in 26% and 18% of first and second eyes respectively. Allograft rejection occurred in 4 of the first eyes and 3 of the second eyes. The two-year graft survival rate in first eyes was 70% and in second eyes was 83%. Worse outcomes were noted in grafts performed for secondary endothelial failure. Earlier graft failure occurred in first eyes (54 ± 5 months) compared to second eyes (79 ± 10 months) (Logrank Test p = 0.2311).Conclusions: Bilateral penetrating keratoplasty has reasonable success in selected patients. Corneal transplantation in the second eye does not seem to increase the risk of graft rejection in either eye.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1010635231828
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A three-level generalized-co-ordinate group finite-element method for compressible viscous flow (1985)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 5 (1985), S. 463-481 
    Details
    ISSN: 0271-2091
    Keywords: Trailing-edge Flow ; Laminar Flow ; Turbulent Flow ; Generalized Co-ordinates ; Group Finite-element Method ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A consistent three-level time-split group finite-element method, suitable for the computation of viscous compressible flows in irregular geometric domains, is described. Exploitation of the group12 formulation permits an accurate and economical algorithm to be developed in a generalized-co-ordinate (ζ,η) space. A variable sweep cycle is used to accelerate convergence to the steady state. The method is demonstrated by computing laminar and turbulent flow past a trailing edge. The method uses an algebraic eddy viscosity model to represent turbulence and produces results in close agreement with the experiments and computations of Viswanath et al8.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650050506
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Finite element solutions for laminar and turbulent compressible flow (1984)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 4 (1984), S. 421-439 
    Details
    ISSN: 0271-2091
    Keywords: Laminar Flow ; Turbulent Flow ; Compressible Flow ; Separation ; Time-split Method ; Finite Element Method ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The time-split finite element method is extended to compute laminar and turbulent flows with and without separation. The examples considered are the flows past trailing edges of a flat plate and a backward-facing step. Eddy viscosity models are used to represent effects of turbulence. It is found that the time-split method produces results in agreement with previous experimental and computational results. The eddy viscosity models employed are found to give accurate predictions in all regions of flow except downstream of reattachment.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650040503
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    Paper (German National Licenses)
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