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  • 1
    Electronic Resource
    Electronic Resource
    Haemopoietic Regeneration After Autohaemotransplant in Sublethal X-Irradiated Marbled Electric Rays (2000)
    Springer
    Comparative clinical pathology 10 (2000), S. 43-49 
    Details
    ISSN: 1433-2981
    Keywords: Key words:Autohaemotransplant – Blood – Fish – Haemopoietic organs – Torpedoes – X-irradiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: Haemopoiesis of Elasmobranchs provides a useful model for haematopoietic studies owing to the compartmentalisation of various maturative lineages in spleen (erythropoiesis and lymphocytopoiesis), oesophageal wall and epigonal tissue (myelopoiesis and lymphocytopoiesis). The survival capacity and the recovery of peripheral blood cells and haemopoietic organs were studied in Torpedo marmorata Risso subjected to different single doses of total-body X-ray and following autologous haemotransplantation. Torpedoes were found to be very radioresistant animals from the high dose (100 Gy) of X-ray able to produce complete destruction of haematopoietic tissues but no immediate lethality. Here we report a successful autologous peripheral blood transplantation following 100 Gy X-ray that produces death of the control torpedoes from failure of haemopoiesis. The recovery of the circulating red blood cells after autohaemotransfusion was completed in 28 days, whereas that of the white cells was slower. On day 28 after autohaemotransplant the animals displayed recovery of the haemopoietic tissues, as demonstrated by the BUdR method, but irradiated controls displayed no blood cell or haemopoietic regeneration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005800070026
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  • 2
    Electronic Resource
    Electronic Resource
    A projection method for shallow water equations (1998)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 27 (1998), S. 81-95 
    Details
    ISSN: 0271-2091
    Keywords: shallow waters ; Navier-Stokes ; lagoons ; projections ; parallel computations ; Engineering ; Numerical Methods and Modeling
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The dynamics of shallow water has been studied and an algorithm for this dynamics has been developed. Results have been obtained with data of the Venice lagoon using a model made expressively by a semi-implicit method based on a finite element method in space. Comparison has been made between field data and the results of the simulation. Very good agreement is shown over a long period of simulation. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 3
    Electronic Resource
    Electronic Resource
    Transient and pseudo-transient analysis of Mindlin plates (1980)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 15 (1980), S. 189-208 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: A unified approach is presented for the static and transient dynamic linear and geometrically nonlinear analysis of Mindlin plates including initial imperfections. The effects of transverse shear deformation and rotatory inertia are automatically taken into account. A finite element idealization is adopted and the quadratic Lagrangian Mindlin plate element is used together with selective integration. Several numerical examples are presented and compared with results from other sources.
    Additional Material: 17 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620150204
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  • 4
    Electronic Resource
    Electronic Resource
    Further developments in transient and pseudo-transient analysis of Mindlin plates (1981)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 17 (1981), S. 1749-1761 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: Some recent developments are presented on a unified approach to the static and transient dynamic geometrically nonlinear analysis of Mindlin plates with initial imperfections.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620171202
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  • 5
    Electronic Resource
    Electronic Resource
    Adaptive mesh refinement for faceted shells (1992)
    New York, NY [u.a.] : Wiley-Blackwell
    Communications in Applied Numerical Methods 8 (1992), S. 319-329 
    Details
    ISSN: 0748-8025
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The application of the Zienkiewicz and Zhu error estimator to three-dimensional faceted shells presents some difficulties which arise from the lack of C1 continuity of the geometry. This paper presents a method to circumvent such difficulties based on the existence of a mapping from a flat reference configuration to the actual shell. This mapping is used not only to enable meshes to be generated in a two-dimensional space, but also to define a stress measure - similar to the first Piola-Kirchhoff stress used in large deformation mechanics - which can be consistently smoothed over the reference configuration. A preliminary investigation of the method is provided by three simple examples.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cnm.1630080506
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