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  • minimum distance  (2)
  • Fluid Mechanics and Heat Transfer  (1)
  • Immobilization  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Growth and production characteristics of permeabilized Coleus blumei cells in immobilized fed-batch culture (1994)
    Springer
    Plant cell reports 13 (1994), S. 459-463 
    Details
    ISSN: 1432-203X
    Keywords: Coleus blumei ; Rosmarinic acid ; Immobilization ; DMSO ; Luffa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Permeabilized Coleus blumei cells were cultivated in an immobilized state to study the effect of dimethyl sulfoxide (DMSO) concentrations and growth regulators on cell growth and rosmarinic acid (RA) production characteristics. Luffa (the fibrous skeleton of mature fruit of Luffa cylindrica) was a good support matrix for cell immobilization because of its high void volume. Maximum cell loading capacity was 1.33 g dry cell weight (DCW)/g dry Luffa. The experiments were done in shake flasks with no free medium. The medium was supplied in a fed-batch mode to avoid the flotation of Luffa pieces. The sucrose in the medium was completely hydrolyzed to glucose and fructose without any sugar accumulation in the medium. The cell viability was slightly higher in the cells on top of the Luffa than those in the middle. Cell growth rate and rosmarinic acid (RA) production were approximately half that obtained in cell suspension cultures. Cell yield (g DCW/g glucose) was similar to that of cell suspension cultures. The absence of growth regulators did not promote an increase of RA production but did decrease the cell mass. The second step preconditioning with 0.5% DMSO did not improve the cell's adaptability to higher DMSO concentrations and the cell mass did not increase with 2.5% DMSO.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00231967
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The new minimum distance bounds of Goppa codes and their decoding (1996)
    Springer
    Designs, codes and cryptography 9 (1996), S. 157-176 
    Details
    ISSN: 1573-7586
    Keywords: Goppa codes ; minimum distance ; BCH bound ; HT bound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract A couple of new lower bounds of the minimum distance of Goppa codes is derived, using an extended field code for a Goppa code which contains the Goppa code as its subfield-subcode. Also presented are procedures for both error-only and error-and-erasure decoding for Goppa codes up to the new lower bounds, based on the Berlekamp-Massey algorithm and the Feng-Tzeng multisequence shift-register synthesis algorithms which have been used for decoding cyclic codes up to the BCH and HT(Hartmann-Tzeng) bounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00124591
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The New Minimum Distance Bounds of Goppa Codes and Their Decoding (1996)
    Springer
    Designs, codes and cryptography 9 (1996), S. 157-176 
    Details
    ISSN: 1573-7586
    Keywords: Goppa codes ; minimum distance ; BCH bound ; HT bound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract A couple of new lower bounds of the minimum distance of Goppa codes is derived, using an extended field code for a Goppa code which contains the Goppa code as its subfield-subcode. Also presented are procedures for both error-only and error-and-erasure decoding for Goppa codes up to the new lower bounds, based on the Berlekamp-Massey algorithm and the Feng-Tzeng multisequence shift-register synthesis algorithms which have been used for decoding cyclic codes up to the BCH and HT(Hartmann-Tzeng) bounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018066030299
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    Paper (German National Licenses)
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  • 4
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    Marangoni Effects on the Bubble Dynamics in a Pressure Driven Flow (1996)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The motion of air bubbles and water drops in a Hele-Shaw cell filled with a silicone oil has been studied experimentally and theoretically. By adding a predetermined amount of a surfactant to the water drops we attempted to investigate the surfactant influence systematically. While the motion of air bubbles was in reasonable agreement with the predictions of Taylor and Saffman, water drops behaved quite differently in that the translational velocities were smaller by an order of magnitude and their shapes were very unusual as observed previously by Kopf-Sill and Homsy. Assuming that the surrounding fluid wets the solid wall and the bubble (or the drop) surface is rigid due to the surfactant influence, we have estimated the translational velocity of an elliptic bubble. The calculated velocities were in good agreement with the observations indicating that the surfactant influence could retard the bubble motion significantly. The present study also indicates that the unusual bubble shapes are also due to the surfactant influence.
    Keywords: Fluid Mechanics and Heat Transfer
    Type: Third Microgravity Fluid Physics Conference; 541-546; NASA-CP-3338
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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