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  • 1
    Electronic Resource
    Electronic Resource
    Effect of residual field gradients on pulsed-gradient NMR diffusion measurements
    Amsterdam : Elsevier
    Journal of Magnetic Resonance (1969) 83 (1989), S. 309-323 
    Details
    ISSN: 0022-2364
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0022-2364(89)90193-5
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  • 2
    Electronic Resource
    Electronic Resource
    Ajrekarella, a new member of the sphaeropsidales (1964)
    Springer
    Mycopathologia 24 (1964), S. 297-301 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02053639
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  • 3
    Electronic Resource
    Electronic Resource
    Morphology and early development of ascocarp in Cryptomyces mullerii (1974)
    Springer
    Mycopathologia 54 (1974), S. 469-474 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The discomycetous fungusCryptomyces mullerii affecting leaves ofSalix tetrasperma was studied for internal morphology and early development. The overall developmental pattern of ascocarp centrum is closely similar to members of the order Phacidiales. The developmental pattern of the ascocarp, centrum characters, the nature and ontogeny of the inter-ascal filaments and above all the occurrence of spermatization and nature of sexual process in this fungus are characteristics which appear to be intermediate between the two main large subclasses of Ascomycetes — the Loculoascomycetes and the Euascomycetes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02050052
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  • 4
    Electronic Resource
    Electronic Resource
    On the status of the smut genus liroa cif. (1965)
    Springer
    Mycopathologia 26 (1965), S. 289-297 
    Details
    ISSN: 1573-0832
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary This paper embodies the results obtained through a critical examination of the taxonomic position of the gall-forming smut genusLiroa Cif. On the basis of these studies it is proposed to conserve the nameLiroa Cif. for this gallforming smut fungus. The formation of “inverted lunate” type of sori is a distinctive character of the genus separating it from the other smut genera. The chlamydospore formation in a centripetal fashion is characteristic of the family Ustilaginaceae and not Graphiolaceae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02049782
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  • 5
    Electronic Resource
    Electronic Resource
    γ-Linolenic acid production from Spirulina platensis (1995)
    Springer
    Applied microbiology and biotechnology 43 (1995), S. 466-469 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract Various Spirulina strains were assayed for their productivity of γ-linolenic acid (γLnn). Spirulina platensis ARM-346 was found to accumulate large amounts of γLnn. Urea as a nitrogen source was found to be most effective giving a yield of 13.5 mg γLnn/g dry cell mass. With increase in temperature the γLnn content was found to increase along with biomass. The optimum temperature for maximum γLnn and biomass production was found to be 35°C. The γLnn content was highest at 0.06% (w/v) NaCl and 0.07% (w/v) K2HPO4. Cells cultivated in the orange region of the electromagnetic spectrum as energy source showed a high content of γLnn, and there was less biomass compared to cells grown in red light. When the culture was left in the dark for various times, after 144 h it contained about 26% more γLnn than in conventionally cultivated cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00218450
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  • 6
    Electronic Resource
    Electronic Resource
    γ-Linolenic acid production from Spirulina platensis (1995)
    Springer
    Applied microbiology and biotechnology 43 (1995), S. 466-469 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract  Various Spirulina strains were assayed for their productivity of γ-linolenic acid (γLnn). Spirulina platensis ARM-346 was found to accumulate large amounts of γLnn. Urea as a nitrogen source was found to be most effective giving a yield of 13.5 mg γLnn/g dry cell mass. With increase in temperature the γLnn content was found to increase along with biomass. The optimum temperature for maximum γLnn and biomass production was found to be 35 °C. The γLnn content was highest at 0.06% (w/v) NaCl and 0.07% (w/v) K2HPO4. Cells cultivated in the orange region of the electromagnetic spectrum as energy source showed a high content of γLnn, and there was less biomass compared to cells grown in red light. When the culture was left in the dark for various times, after 144 h it contained about 26% more γLnn than in conventionally cultivated cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002530050435
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  • 7
    Electronic Resource
    Electronic Resource
    Simultaneous nonlinear structural analysis and design (1989)
    Springer
    Computational mechanics 4 (1989), S. 409-416 
    Details
    ISSN: 1432-0924
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Optimization techniques are increasingly being used for performing nonlinear structural analysis. Under these circumstances the structural design problem can be viewed as a nested optimization problem. The present paper suggests that there are computational benefits to treating this nested problem as a large single optimization problem. That is, the response variables (such as displacements) and the structural parameters are all treated as design variables in a unified formulation which performs simultaneously the design and analysis. Three truss examples are used for the demonstration comparing two nested optimization procedures with two computational procedures for the simultaneous solution. The examples show that the simultaneous approach is competitive with the more traditional nested approach.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00293046
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  • 8
    Electronic Resource
    Electronic Resource
    Sensitivity of inelastic response to numerical integration of strain energy (1976)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 10 (1976), S. 1369-1377 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The exact solution to the quasi-static, inelastic response of a cantilever beam of rectangular cross-section subjected to a bending moment at the tip is obtained. The material of the beam is assumed to be linearly elastic-linearly strain-hardening. This solution is then compared with three different numerical solutions of the same problem obtained by minimizing the total potential energy using Gaussian quadratures of two different orders and a Newton-Cotes scheme for integrating the strain energy of deformation. Significant differences between the exact dissipative strain energy and its numerical counterpart are emphasized. The consequence of this on the non-linear transient responses of a beam with solid cross-section and that of a thin-walled beam on elastic supports under impulsive loads are examined.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620100615
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  • 9
    Electronic Resource
    Electronic Resource
    Effect of shear deformations and rotary inertia on optimum beam frequencies (1975)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 9 (1975), S. 51-62 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: Accounting for shear deformations and rotary inertia effects, necessary condition for optimum fundamental frequency of a vibrating beam of constant volume and with a given distribution of non-structural mass, is obtained through the calculus of variations. Minimum cross-section of the beam is controlled by the introduction of an inequality constraint. A finite element displacement formulation is then used in an iterativve manner to arrive at the optimum fundamental frequency and the corresponding material distribution for the discretized beam models with various boundary conditions. A comparison is then made with the corresponding results of an Euler beam.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620090105
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  • 10
    Electronic Resource
    Electronic Resource
    Beam-column element for inelastic analysis (1976)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 10 (1976), S. 1177-1178 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620100515
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