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  • 1
    Electronic Resource
    Electronic Resource
    The Pauli Principle and the Restricted Primitive Model (2000)
    Springer
    Journal of statistical physics 100 (2000), S. 233-242 
    Details
    ISSN: 1572-9613
    Keywords: equations of state ; primitive model ; quantum perturbation theory ; classical perturbation theory ; hydrogen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The restricted primitive model is an electrically neutral, classical model consisting of hard spheres charged either +q or −q. We show that, by appropriately selecting the diameter of the hard spheres, the pressure when q=0 can be made equal to that for a fluid of Maxwell–Boltzmann point ions and an ideal Fermi gas of electrons. We compare the series expansion of these classical and quantum systems and find that, except for intermediate de Broglie density and moderate to strong electrical interaction strength, the restricted primitive model gives a reasonable representation of the pressure of the corresponding quantum system. Much of the current interest, however, has been focused on the above, excepted region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018647930248
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Adsorption of Hydrogen in Graphitic Slit Pores (1998)
    Springer
    International journal of thermophysics 19 (1998), S. 835-844 
    Details
    ISSN: 1572-9567
    Keywords: adsorption ; graphite ; hydrogen ; molecular simulation ; path integral
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Molecular simulations of adsorption isotherms for hydrogen on graphite and graphitic slit pores are presented. The simulations employ the path integral isomorphism of Feynman to rigorously account for the quantum nature of the adsorbate. The isosteric heat of adsorption of para-hydrogen on planar graphite is computed from several different solid–fluid potential models and compared with experiment. The adsorption isotherm for hydrogen on the graphite basal plane was computed at 20 K and compared with experiment. Agreement with experiment is very good. Adsorption isotherms for hydrogen in slit pores of two different pore widths are computed at 20 K and compared with results from classical simulations. Quantum and classical isotherms exhibit qualitatively different behavior.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022690922778
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    An observation concerning pulse testing of flow systems (1966)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 12 (1966), S. 1026-1026 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690120537
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A comment on the equation of state by Hirschfelder et al. (1981)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 27 (1981), S. 166-168 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690270124
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Copolymer composition as a function of molecular weight for poly(styrene-methyl methacrylate) initiated by ethylaluminum sesquichloride (1983)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 23 (1983), S. 1-5 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: There is an increasing body of evidence showing that, for a variety of copolymers, there are significant changes in the copolymer composition over the molecular weight distribution of the polymer. In this work, we have polymerized the copolymer poly(styrene-methyl methacrylate) using ethylaluminum sesquichloride as the initiator. The copolymers produced were fractionated using a semiprep gel permeation chromatograph. The composition of the fractions was determined using infrared spectroscopy. Results show that the percent methyl methacrylate of the copolymers was higher at both the low- and high-molecular-weight regions of the polymers.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760230102
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    Paper (German National Licenses)
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