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  • Springer  (2)
  • 1985-1989  (2)
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Publisher
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Study of age dependent half-life of iodine in man: A reinforcement-depletion urn model (1985)
    Springer
    Bulletin of mathematical biology 47 (1985), S. 205-213 
    Details
    ISSN: 1522-9602
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Mathematics
    Notes: Abstract An urn contains balls ofs different colors. The problem of the reinforcement of a specified color and random depletion of balls has been considered by Shenton (1981, 1983). In this paper, the theory is applied to the biological age dependent half-life of radioactive iodine in man; the data of Cook and Snyder (1965) is used. The intake of radioactive iodine and its retention subsequently is studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02460031
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Structural optimization of lifting surfaces with divergence and control reversal constraints (1989)
    Springer
    Structural and multidisciplinary optimization 1 (1989), S. 153-161 
    Details
    ISSN: 1615-1488
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract In this paper, the static aeroplastic characteristics, divergence velocity, control effectiveness and lift effectiveness are considered in obtaining an optimum weight structure. Swept wing structures are used with upper and lower skins, spar and rib thicknesses, and spar cap and vertical post cross-sectional areas as the design parameters. The aerodynamic strip theory is used to derive the constraint formulations and aerodynamic load matrices. A Sequential Unconstrained Minimization Technique (SUMT) algorithm is used to optimize the wing structure to meet the desired aeroelastic constraints.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01637335
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    Paper (German National Licenses)
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