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  • 1980-1984  (5)
  • 1970-1974  (1)
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Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    CALCULATION OF CUMULATIVE PERCENTAGE AT SELECTED PARTICLE SIZES FROM BOTTOM WITHDRAWAL TUBE ANALYSIS (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 18 (1982), S. 0 
    Details
    ISSN: 1752-1688
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Architektur, Bauingenieurwesen, Vermessung , Geographie
    Notizen: : A new computation method is developed for the bottom withdrawal tube particle size analysis. A transformation on time scale is introduced so that the cumulative percentage of a selected particle size can be determined from a single continuous Oden cum.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1752-1688.1982.tb00022.x
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  • 2
    Digitale Medien
    Digitale Medien
    Bacteria recovered without subculture from infected human urines expressed iron-regulated outer membrane proteins (1984)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 24 (1984), S. 0 
    Details
    ISSN: 1574-6968
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: Abstract Twelve enteric bacterial strains were recovered by differential centrifugation of urines which were collected from clinically diagnosed and microbiologically confirmed cases of urinary tract infection. The outer membrane protein (OMP) profiles of the clinical isolates were then analysed by sodiumdodecylsulphate-polyacrylamide gel electrophoresis (SDS-PAGE). It was found that 5 of the 12 isolates (3 Escherichia coli strains, 1 Klebsiella pneumoniae and 1 Proteus mirabilis strain) expressed 2 or more high Mr proteins in the range of 66000 to 85000. These high Mr proteins were expressed by the same organisms during growth in vitro in iron-restricted conditions but not in iron-sufficient media.In addition, it was found that the major outer membrane proteins expressed by the clinical isolates varied considerably and that, in many cases, fresh isolates expressed fewer porin proteins than the same bacterial strains after growth in vitro in trypticase soy broth. This is thus the first evidence the E. coli, K. pneumoniae and P. mirabilis grow under iron-restricted conditions in the urinary tract of humans and that the outer membrane protein profile of clinical isolates differ from in vitro grown bacteria.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1574-6968.1984.tb01315.x
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  • 3
    Digitale Medien
    Digitale Medien
    A quadratic programming model for optimal data distribution (1981)
    Springer
    BIT 21 (1981), S. 294-304 
    Details
    ISSN: 1572-9125
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract In this paper, a quadratic programming model is developed to take into consideration a number of factors that can influence the process of optimal allocation of data among the nodes in a distributed database. The factors include communication costs, translation costs, congestion costs and storage costs. Beale's method is used to solve the resulting quadratic program. Some numerical examples are presented and the potentials of such an approach in the design and analysis of distributed databases are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01941464
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  • 4
    Digitale Medien
    Digitale Medien
    Detection in Normal Plasma of Immunoglobulin resembling the Protein of γ-Chain Disease (1973)
    [s.l.] : Nature Publishing Group
    Nature 246 (1973), S. 419-421 
    Details
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] Fig. 1 a, The structure found for homogeneous yCD proteins; b, that of human IgG. IgG consists of two y chains and two light chains, joined by interchain bonds . .. ., and cleaved by papain into one Fey and two Faby fragments as depicted. The heavy lines show the sequences represented in yCD ...
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1038/246419a0
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  • 5
    Digitale Medien
    Digitale Medien
    Observation of oxygen impurities in single-crystal silicon by means of internal friction (1981)
    Springer
    Journal of low temperature physics 44 (1981), S. 259-264 
    Details
    ISSN: 1573-7357
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Two new internal friction peaks have been observed in single-crystal silicon in the temperature range from 100 to 270 K of the Arrhenius-type relaxation at kilohertz frequencies. The activation energies of the two peaks are 0.14 and 0.20 eV. We attribute them to vibration of trapped interstital oxygen and the oxygen-vacancy complex, respectively.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00120776
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  • 6
    Digitale Medien
    Digitale Medien
    Effect of triple gluon coupling in semi-inclusive polarized scattering processes (1983)
    Springer
    The European physical journal 17 (1983), S. 335-340 
    Details
    ISSN: 1434-6052
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We show that the gluon helicity inside a proton and a photon can be deduced from a knowledge of a special combination of cross sections of the semi-inclusive processese+p→e+π+π+... ande ++e −→e ++e −+π+π+... Such a measurement could thus be used to check the QCD prediction that the gluon helicity increases linearly with lnQ 2.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01571900
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