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  • 1990-1994
  • 1985-1989  (3)
  • 1988  (3)
  • 25.70.Gh  (1)
  • Drosophila  (1)
  • Engineering General  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Identification and germline transformation of the ribosomal protein rp21 gene of Drosophila: Complementation analysis with the Minute QIII locus reveals nonidentity (1988)
    Springer
    Molecular genetics and genomics 213 (1988), S. 354-358 
    Details
    ISSN: 1617-4623
    Keywords: Drosophila ; Minute ; Ribosomal protein ; Transformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Minute loci represent a class of about 50 different Drosophila genes that appear to be functionally related. These genes may code for components of the protein synthetic apparatus. While one Minute locus has been recently shown to code for a ribosomal protein, it is not yet known whether any of the other Minute loci also code for ribosomal proteins. We have addressed this question by a combined molecular and genetic approach. In this report, a cloned DNA encoding the ribosomal protein rp21 is partially characterized. The rp21 gene maps to the same region (region 80 of chromosome 3L) as the temperature-sensitive Minute QIII gene. Using P-element mediated transformation, the rp21 gene was transformed into the germline of Drosophila. RNA blot experiments revealed that the transformed gene is expressed in transgenic flies. However, genetic complementation analysis indicated that the QIII locus and the rp21 gene are not identical. Implications of these findings for the relationship between Minutes and ribosomal protein genes are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00339602
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The Pauli exclusion effect in multiparticle and hole state densities (1988)
    Springer
    The European physical journal 329 (1988), S. 69-76 
    Details
    ISSN: 1434-601X
    Keywords: 21.10.Ma ; 25.70.Gh
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A method to calculate the effect of the Pauli exclusion principle in multiparticle and hole state densities is proposed. The model-independent method can be essentially extended to any multi-fermion system. For an application to the exciton model, both the strict expression of state densities and the exact Pauli exclusion correction have been obtained in the equidistant spacing model. The enhancement of the exact Pauli exclusion correlation implies that the Pauli exclusion principle plays a quite important role in state densities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294817
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Post-buckling analysis of shallow shells by the field-boundary-element method (1988)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 26 (1988), S. 571-587 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The non-linear field-boundary-element technique is applied to the analysis of snap-through phenomena in thin shallow shells. The equilibrium path is traced by using the arc-length method and the solution strategy is discussed in detail. The results show that, as compared to the approaches based on the popular symmetric-variational Galerkin finite element formulation, the current approach based on an unsymmetric variational Petrov-Galerkin field-boundary-element formulation gives a faster convergence while using fewer degrees of freedom. The illustrative numerical examples deal with post-buckling responses of several shallow shells with different geometries.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620260305
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    Paper (German National Licenses)
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