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  • 1
    Electronic Resource
    Electronic Resource
    State of the Krebs' cycle in the kidneys of rats with chronic phosphorus poisoning (1991)
    Springer
    Bulletin of experimental biology and medicine 112 (1991), S. 1122-1123 
    Details
    ISSN: 1573-8221
    Keywords: Krebs' cycle ; kidneys ; phosphorus poisoning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00839555
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  • 2
    Electronic Resource
    Electronic Resource
    Sample temperature dependence of plasma desorption mass spectra of biomolecules (1992)
    s.l. : American Chemical Society
    Analytical chemistry 64 (1992), S. 2977-2980 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac00047a017
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The influence of ion flux on defect production in MeV proton-irradiated silicon (1991)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 70 (1991), S. 3025-3030 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The production of stable vacancy-related point defects in silicon irradiated with 1.3 MeV protons has been studied as a function of ion flux (protons s−1 cm−2), while keeping the total fluence constant. Since the total fluence was very low (5 × 109 protons cm−2), no interference between neighboring ion tracks was expected. The defect concentrations have been measured by deep-level transient spectroscopy, and a decrease in the resulting defect density is found for increasing flux. This effect was unexpected and shows that there is an overlap between ion tracks, in spite of the low fluence. The behavior is attributed to the rapidly diffusing silicon interstitials, which overlap the vacancy distributions produced in adjacent ion tracks. When the ion flux is low, the distribution of vacancies from one ion becomes diluted and recombination with interstitials from ions impacting at a later time is rare. As the flux is increased the vacancy distribution from one ion will still be confined to a small volume when it is overlapped by interstitials from a later ion, leading to an increased recombination of vacancies and interstitials. Thus, within this low-fluence regime, the total concentration of stable vacancy-related defects decreases for a high flux. This result is supported by computer simulations of the defect generation kinetics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.349333
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  • 4
    Electronic Resource
    Electronic Resource
    Dynamic scattering function of a semidilute suspension of hard spheres (1993)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 98 (1993), S. 8186-8193 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the time-dependent intermediate scattering function of a semidilute colloidal suspension of hard spheres with neglect of hydrodynamic interactions. The dynamics of the suspension is assumed to be governed by the generalized Smoluchowski equation. The Laplace transform of the scattering function involves the static structure factor and an irreducible memory kernel. The latter is approximated by the first term of its expansion in powers of volume fraction. The time-dependent scattering function is found by integration over the spectrum of relaxation rates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.464523
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  • 5
    Electronic Resource
    Electronic Resource
    Time-dependent self-diffusion in a semidilute suspension of Brownian particles (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 96 (1992), S. 4669-4675 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the time-dependent self-diffusion coefficient for a semidilute suspension of interacting, spherical Brownian particles. It is shown that the parameters needed for a simple approximation to the memory function, which we have proposed in earlier work, may be obtained from the steady-state perturbed pair distribution function. We test the approximation for an exactly solvable model in which the particles interact with a square step or well potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.462803
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  • 6
    Electronic Resource
    Electronic Resource
    Memory effects in the self-diffusion of interacting Brownian particles (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 96 (1992), S. 9055-9059 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the time-dependent self-diffusion coefficient for suspensions of interacting, spherical Brownian particles. The self-diffusion coefficient exhibits memory effects with a wide range of relaxation times and a long-time tail. An approximate description of the time dependence involving a small number of parameters is proposed. We test the approximation for an exactly solvable model in which the particles interact via a square step or well potential and show that it works satisfactorily.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.462213
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  • 7
    Electronic Resource
    Electronic Resource
    Diffusion coefficients and effective viscosity of suspensions of sticky hard spheres with hydrodynamic interactions (1990)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 93 (1990), S. 4427-4432 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the short-time and long-time diffusion coefficients and the high-frequency and zero-frequency effective viscosity of a dilute suspension of sticky hard spheres with hydrodynamic interactions. Due to the singular nature of the hydrodynamic interactions near touching the transport coefficients are strongly affected by the short-range attractive potential. This suggests that the transport coefficients may be used as a test of the interaction potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.459688
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Many-body contribution to the van der Waals binding energy of nonpolar fluids (1990)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 92 (1990), S. 6112-6115 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the many-body contribution to the van der Waals binding energy of nonpolar fluids. We show that in electric dipole approximation the binding energy may be expressed exactly in terms of the renormalized atomic polarizability. The latter is related directly to the Onsager reaction field. We have evaluated the total van der Waals binding energy of a hard sphere fluid of Drude–Lorentz oscillators by computer simulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.458333
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  • 9
    Electronic Resource
    Electronic Resource
    Cavity field and reaction field in nonpolar fluids (1990)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 92 (1990), S. 6104-6111 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We discuss the cavity field and the reaction field appearing in the Onsager–Böttcher theory of the dielectric constant of a nonpolar fluid. The ratio of both fields to the Maxwell field is determined by computer simulation for a hard-sphere fluid at six volume fractions. We find that the reaction field is reasonably well predicted by the Onsager–Böttcher theory, provided the cavity radius is adjusted to reproduce the exact value at small polarizability. The difference of the cavity field from the Lorentz local field is poorly predicted by the Onsager–Böttcher theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.458332
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  • 10
    Electronic Resource
    Electronic Resource
    Long-time self-diffusion coefficient and zero-frequency viscosity of dilute suspensions of spherical Brownian particles (1988)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 89 (1988), S. 3705-3709 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We study the long-time self-diffusion coefficient and the zero-frequency effective viscosity for a suspension of spherical Brownian particles. The correction to first order in the volume fraction to the self-diffusion coefficient and the correction to second order in the volume fraction to the effective viscosity are given by integral expressions derived by Batchelor. Using exact series expansions of the hydrodynamic interaction functions in powers of the inverse distance between centers of a pair of particles we obtain accurate values for the correction terms. We consider hard spheres with mixed slip-stick boundary conditions as well as spherical liquid droplets with a viscosity different from the bulk.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.454891
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