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  • 1970-1974  (9)
  • 1955-1959
  • 1915-1919
  • 1974  (9)
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Material
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  • 1970-1974  (9)
  • 1955-1959
  • 1915-1919
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    CHEMOTAXIS AND COTTON EXTRACTS (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 221 (1974), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1974.tb28214.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Structure of yeast phosphoglycerate mutase (1974)
    [s.l.] : Nature Publishing Group
    Nature 250 (1974), S. 301-303 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE extension of the three-dimensional study of the structure of yeast phosphoglycerate mutase (PGM) by X-ray diffraction to 3.5 Å resolution gives us the first opportunity to report some of the structural details of a 'mutase' enzyme. Rather unexpectedly we find that the most striking ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/250301a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Gregarious behaviour in a benthic marine amphipod (Corophium volutator) (1974)
    Springer
    Cellular and molecular life sciences 30 (1974), S. 1396-1397 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Untersuchungen im Laboratorium zeigen, dass besonders die weiblichen schlammbewohnenden Amphipoden,Corophium volutator (Pallas), in Scharen leben. Isolierte Tiere verhalten sich anders als Tiere in Gruppen. Wegen der grossen Streuung ergaben die Untersuchungen über das Vorkommen eines als Scharenreiz wirkenden Pheromons keine eindeutigen Ergebnisse.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01919655
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Deformation characteristics of reinforced epoxy resin (1974)
    Springer
    Journal of materials science 9 (1974), S. 658-664 
    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 Specimens, cut from a commercially produced epoxide resin reinforced by layers of glass cloth, were tested in tension at various strain-rates and temperatures, and at various orientations of the fibres to the tensile axis. Results are presented for elastic moduli, yield and fracture stresses, and elongations. These results give ample evidence of a decrease in the effectiveness of the reinforcement as deformation proceeds. Strain-ratechange tests show that the rate sensitivity of the composite rises rapidly as the strain increases beyond a critical value, which also indicates that the behaviour is increasingly governed by the properties of the matrix.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00551887
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Deformation characteristics of reinforced epoxy resin (1974)
    Springer
    Journal of materials science 9 (1974), S. 665-672 
    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 Tensile specimens of reinforced epoxide resin of various orientations with respect to the fibre direction, were tested at low strain-rates (3.3×10−4 sec−1) and over a wide range of temperatures (77 to 380K). The rate sensitivities were measured by strain-rate change tests. Activation parameters were determined, by means of which it was possible to correlate the behaviour of composites of various orientations with that of the unreinforced epoxy. Three temperature regions have been established in which it appears that the deformation is controlled by three separate rate-controlling mechanisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00551888
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Deformation characteristics of reinforced epoxy resin (1974)
    Springer
    Journal of materials science 9 (1974), S. 658-664 
    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 Specimens, cut from a commercially produced epoxide resin reinforced by layers of glass cloth, were tested in tension at various strain-rates and temperatures, and at various orientations of the fibres to the tensile axis. Results are presented for elastic moduli, yield and fracture stresses, and elongations. These results give ample evidence of a decrease in the effectiveness of the reinforcement as deformation proceeds. Strain-ratechange tests show that the rate sensitivity of the composite rises rapidly as the strain increases beyond a critical value, which also indicates that the behaviour is increasingly governed by the properties of the matrix.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02387541
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Deformation characteristics of reinforced epoxy resin (1974)
    Springer
    Journal of materials science 9 (1974), S. 665-672 
    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 Tensile specimens of reinforced epoxide resin of various orientations with respect to the fibre direction, were tested at low strain-rates (3.3×10−4 sec−1) and over a wide range of temperatures (77 to 380K). The rate sensitivities were measured by strain-rate change tests. Activation parameters were determined, by means of which it was possible to correlate the behaviour of composites of various orientations with that of the unreinforced epoxy. Three temperature regions have been established in which it appears that the deformation is controlled by three separate rate-controlling mechanisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02387542
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Rubella precipitin response in natural infection and in vaccination (1974)
    Springer
    Archives of virology 45 (1974), S. 335-351 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The present investigation was directed towards determination of the significance of thetheta andiota precipitins in humoral immunity to rubella. Acutely infected cell cultures with rubella virus strains were found to be inadequate for production oftheta andiota antigens, requiring at least 800 × concentration of infected tissue culture fluids to obtain weakly reactingtheta andiota antigens in gel diffusion. To improve the antigen yield the rubella virus strains were adapted to a porcine stable cell line as a “chronically” infected culture. Three vaccine and three wild rubella virus strains, once established as chronically infected cultures, yielded equally well both thetheta and theiota antigens. Examination of sera from cases of natural infection by gel diffusion revealed that thetheta precipitin was present in all the sera with HAI titres of 1∶64 and higher. This precipitin was first detectable about seven days after the appearance of the HAI antibody. The concentration oftheta precipitin increased in parallel with the increase of the HAI titre. Theiota precipitin was not detectable in any sera with HAI titres of less than 1∶256 and only in 32 per cent of sera with titres of 1∶256 or higher. Noiota precipitins were found in sera collected earlier than five weeks after the exposure. Examination of post-vaccination sera from adults and children revealed that all sera with HAI titres of 1∶64 or higher had detectable levels oftheta precipitin but none hadiota precipitin, even those that had HAI titres of 1∶256 or higher. Even 80 × concentration of these sera by immunoglobulin precipitation failed to reveal detectable levels ofiota precipitin. The suggestion by others that theiota precipitin plays a major role in humoral immunity is questioned. A test foriota precipitin may serve a useful purpose as a yardstick in evaluation of the efficacy of live rubella vaccine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01242877
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Local and global smoothing of discontinuous finite element functions using a least squares method (1974)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 8 (1974), S. 461-480 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The concepts and potential advantages of local and global least squares smoothing of discontinuous finite element functions are introduced.The relationship between local smoothing and the ‘reduced’ integration' technique is established.Examples are presented to illustrate the application of the two smoothing techniques to the finite element stresses from several structural analysis problems.The paper concludes with some practical recommendations for discontinuous finite element function smoothing.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620080303
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