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  • 1995-1999  (2)
  • 1970-1974  (1)
  • 1950-1954  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Resistivity of static and antistatic insulators from surface charge measurement (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 5782-5785 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A method for determining surface charge decay [Q(t)], using a coaxial cylindrical capacitor arrangement and an electrometer interfaced to a PC, has been adapted so as to perform relatively straightforward measurement of resistivity in the surface region of insulators. A charge transport model is presented, based on Mott–Gurney diffusion, which allows interpretation of the data especially for the initial phase of surface charge decay. Resistivity measurements are presented for glass, mica, plexiglas, and polyethylene, covering the range 109–1018 Ω m, as an illustration of the useful range of the instrument for static and antistatic materials, particularly in film or sheet form. Values of surface charge diffusion constants have also been determined for the materials. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359223
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Electrochemical Constants. (1954)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 76 (1954), S. 2283-2284 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01637a096
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    ENVIRONMENTAL AUDITING: An Integrated Environmental Assessment of the US Mid-Atlantic Region (1999)
    Springer
    Environmental management 24 (1999), S. 553-560 
    Details
    ISSN: 1432-1009
    Keywords: KEY WORDS: Cluster analysis; Cumulative impact; Geographic information systems; Landscape ecology; Remote sensing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002679900254
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Thermodynamic limit for classical systems with Coulomb interactions in a constant external field (1972)
    Springer
    Communications in mathematical physics 26 (1972), S. 53-77 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract We introduce a new method for studying the thermodynamic limit for systems of particles with Coulomb interactions. The method is based on calculating the potential energy of the Coulomb interactions from the electric or magnetic fields in the system rather than from the energy of the individual particle — particle interactions. We are able to include the effects of a constant external field being imposed at the boundary of the system. The difficulties associated with Coulomb potentials being not even weakly tempered are overcome by imposing the boundary condition that at the boundary of the region containing the particles, the electric or magnetic field has normal component equal to that of the applied field. We prove that the thermodynamic free energy density exists and is independent of the sequence of regions used to define the limit. We introduce sequences of regions all of the same shape and show that for these sequences of regions the thermodynamic free energy density is independent of shape. Finally, we prove that the thermodynamic free energy is a convex function of the density of particles and of the applied field.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01877547
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    Paper (German National Licenses)
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