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  • 1995-1999  (3)
  • 1999  (3)
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  • 1995-1999  (3)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Sequence determination and phylogenetic analysis of RNA-dependent RNA polymerase (RdRp) of the porcine enterovirus 1 (PEV-1) Talfan strain (1999)
    Springer
    Archives of virology 144 (1999), S. 1845-1852 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  The nucleotide sequence of the region including the RNA-dependent RNA polymerase (RdRp) of the porcine enterovirus 1 (PEV-1) Talfan strain was determined. Amino acid identities of Talfan RdRp with those of other picornaviruses were significantly lower than those seen among the viruses of the same genus of picornaviruses. The phylogenetic analysis of RdRp indicated that picornaviruses were divided into 8 clusters, in which Talfan was genetically distinct from other picornaviruses in contrast to the current taxonomy. In this study, we propose that PEV-1 Talfan be regarded as a new genus for the family Picorna- viridae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007050050709
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Small Defects and Inhomogeneities in Fatigue Strength: Experiments, Models and Statistical Implications (1999)
    Springer
    Extremes 2 (1999), S. 123-147 
    Details
    ISSN: 1572-915X
    Keywords: Fatigue limit ; maximum defect ; projection area ; inclusion ; extremes ; Gumbel ; 62N05 ; 60D05
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The method explained in this paper for quantitative evaluation of fatigue limit for materials containing defects is based on the experimental evidences that inhomogeneities and micro-notches can be treated like cracks. First, the basic concept of the √area parameter model is explained introducing the various data obtained by the first author's group for over last 15 years. Evidences are shown that small cracks, defects and nonmetallic inclusions having the same value of the square root of projection area, √area, have the identical influence on the fatigue limit regardless of different stress concentration factors. Various applications of these concepts to various defect types and microstructural inhomogeneities are shown. Since the estimation of fatigue strength is related to the estimation of the size of maximum defects occurring in a piece, the methods for searching the defects and the quality control of materials with respect to inclusion or defect rating as well as their statistical implications are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009976418553
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Crystallization behavior of amorphous solid solutions and phase sepration in the Cr2O3-Fe2O3 system (1999)
    Springer
    Journal of materials science 34 (1999), S. 951-955 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Fine particles of the amorphous Cr2O3-Fe2O2 solid solutions were prepared by dehydration of coprecipitated hydroxides and their crystallization behavior was studied by differential thermal analysis and X-ray diffraction. The peak temperature for crystallization attained a maximum at a composition near Fe2O3 content of about 60 mol % and the activation energy for crystallization attained a minimum at a composition near Fe2O3 content of about 50 mol % in this quasibinary system. Phase separation occurred in a range of Fe2O3 content from about 35 to 80 mol % in the corundum-type solid solutions heat treated at 600 °C for 2 h. Crystallization behavior was discussed briefly related with phase separation and diffusion in fine particles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004575423933
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    Paper (German National Licenses)
    Fulltext
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