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  • 1
    Monograph available for loan
    Monograph available for loan
    Einfache Modelle kontinuierlicher Prozesse (1982)
    Berlin : Verl. Technik
    Associated volumes
    Details Availability
    Call number: G 8187
    In: Reihe Automatisierungstechnik
    Type of Medium: Monograph available for loan
    Pages: 76 S. : graph. Darst.
    Edition: 1. Aufl.
    Series Statement: Reihe Automatisierungstechnik 197
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 2
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    Geologie der Intrusiva und Rahmengesteine des Südwest-Adamello (Nord-Italien) (1984)
    Zürich
    Associated volumes
    Details Availability
    Call number: 94.0138
    In: Dissertation / Eidgenössische Technische Hochschule Zürich
    Pages: 253 S.
    Series Statement: Dissertation / Eidgenössische Technische Hochschule Zürich 7612
    Classification:
    Regional Geology
    Language: German
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Multiconformational synthetic polypeptides (1981)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 103 (1981), S. 6319-6323 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00411a009
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  • 4
    Electronic Resource
    Electronic Resource
    β-structures of polypeptides with L- and D-residues (1980)
    Springer
    Journal of molecular evolution 15 (1980), S. 231-238 
    Details
    ISSN: 1432-1432
    Keywords: β-structure ; Poly-DL-peptides ; Kinetics of hydrolysis ; Enantiomer enrichment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary It was previously shown that nuclei ofβ-sheets surrounded by unordered segments are formed in polypeptide chains built up with alternating hydrophobic and hydrophilic residues and containing both L- and D-enantiomers. It was also established that segments of residues having the same configuration tend to segregate in these nuclei when the starting composition of stereomonomers departs from the racemic mixture. Soft acidic hydrolysis of these polymers has been studied. Kinetic measurements show two pseudo first order rate constants, in agreement with the existence of two conformational species. The unordered part of the chains is hydrolyzed more rapidly, allowing the isolation of aβ-fraction enriched in one enantiomer. Thus, a plausible process of enrichment in enantiomer during prebiotic evolution has been described, which however does not explain the preference of one enantiomer over the other one.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01732950
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  • 5
    Electronic Resource
    Electronic Resource
    Advertising and Labour Supply: Workweek and Workyear in U. S. Manufacturing Industries, 1919–76 (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Kyklos 36 (1983), S. 0 
    Details
    ISSN: 1467-6435
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Sociology , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-6435.1983.tb02025.x
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  • 6
    Electronic Resource
    Electronic Resource
    Some Investigations on the Ephemerides of the Babylonian Moon Texts, System A (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Centaurus 24 (1980), S. 0 
    Details
    ISSN: 1600-0498
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0498.1980.tb00365.x
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  • 7
    Electronic Resource
    Electronic Resource
    The nuclear surface as a collective variable (1984)
    Springer
    The European physical journal 319 (1984), S. 205-213 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In heavy nuclei where the thickness of the diffused edge is relatively small, a certain sharp effective surface can be defined which characterizes the shape of the nucleus, and it can be considered as a collective dynamic variable. It is shown that the problem of fluid dynamics can be simplified by reducing it to simple linearized equations for the dynamics in the nuclear interior and boundary conditions set at the effective dynamic sharp surface of the density distribution. These conditions are derived from the fluid dynamical equations. Transitional densities obtained from this simple model are compared with the numerical solution of fluid dynamical equations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415634
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  • 8
    Electronic Resource
    Electronic Resource
    Semiclassical calculations with nuclear model potentials in the ħ-resummation approach (1984)
    Springer
    The European physical journal 315 (1984), S. 341-347 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The single-particle densityρ(r) of a system of fermions can be calculated in a tractable way as the Laplace inverse of the Bloch density describing the system. The complex integrals involved can be solved very easily by the saddle-point method. The semiclassical nature of this approach is illustrated in the simple example of the single-particle level density of a harmonic oscillator potential. It is then applied to calculate the total energy of particles in different mean field potentials. The exact Bloch density being generally unknown, different approximate forms are used in our calculations which correspond to a partial resummation of the Wigner-Kirkwoodħ-expansion. The resulting local densities reproduce the exact density distributions on the average, without quantal oscillations. They are well defined everywhere, even beyond the classical turning point, in contrast to the original Wigner-Kirkwood approach.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01438459
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  • 9
    Electronic Resource
    Electronic Resource
    Non-adiabatic effects in the time dependent level crossing problem (1984)
    Springer
    The European physical journal 319 (1984), S. 159-165 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We discuss the exact solution of the time-dependent Schrödinger equation for a system of two crossing levels with a residual interaction. In contrast to the familiar Landau-Zener (LZ) solution used in most applications, we allow for more general boundary conditions; in particular we treat explicitly the case of afinite interval around the crossing point. The exact jumping probability is shown to be extremely sensitive to these boundary conditions; in many realistic cases it is found to be smaller than the LZ value by several orders of magnitude. We also compare the exact excitation energy to the one obtained in the usual cranking approach.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415629
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  • 10
    Electronic Resource
    Electronic Resource
    Particle-liquid dynamics of nuclear deformations. 1 (1984)
    Springer
    The European physical journal 316 (1984), S. 217-223 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Equations of a combined, liquid plus particle model are derived which accounts consistently for the short-range liquid properties of nuclei as well as for the long-range quasi-particle behavior. Macroscopic quantities are defined as statistical averages and their dynamics is determined by an Euler-type equation, which contains a term due to the interaction with the gas component, and also by the continuity equation. For the quasi-particle component the full quantal treatment is kept in the form of the Liouville equation with a time-dependent external potential related to the bulk density. It may include the residual quasi-particle interaction. It is suggested that the solution of the coupled dynamics is facilitated by the explicit use of an effective sharp nuclear surface as a dynamical variable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412266
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