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  • 1985-1989  (13)
Source
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Low-frequency plasma-waveguide cutoff (1985)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 28 (1985), S. 444-445 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new low-frequency cutoff for the m=−1 fast wave in a cold cylindrical plasma in the ion-cyclotron frequency range is reported for the completely-filled plasma waveguide. The presence of a vacuum gap between the plasma and the conducting wall enables the wave to propagate to arbitrarily small frequencies. For ω∼ωci, this mode is a surface wave and undergoes a resonance at the ion-cyclotron frequency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.865106
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Thermodynamics of the extraction of europium(III) radiotracer by benzyl-phosphonic acid monoester (1989)
    Springer
    Journal of radioanalytical and nuclear chemistry 134 (1989), S. 415-421 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The extraction of Eu3+ from perchloric acid by ethyl hydrogen benzyl phosphonate (HEBP) dissolved in a series of organic diluents, has been studied at different temperatures. From the variation of the distribution ratio with temperature, the thermodynamic functions ΔH, ΔS and ΔG have been determined. The meaning of the experimentally obtained thermodynamic quantities is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02278278
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Radiation transfer in a sphere with internal source (1987)
    Springer
    Astrophysics and space science 129 (1987), S. 247-250 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In this note, we connect the problem of radiation transfer in a sphere with diffuse reflectivity and containing an energy source with the problem of source free radiation transfer with isotropic boundary condition. The equation for the radiative heat flux is obtained for a polynomial source. In the special case of a uniform source, the radiation heat flux and the angular flux are given in terms of the albedo of the second problem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00642642
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The heat flux calculation for the laser-fusion problem (1989)
    Springer
    Astrophysics and space science 161 (1989), S. 35-45 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The problem of heat flux at the critical surfaces and the surfaces of a pellet of deuterium and tritium (conduction zone) heated by laser have been considered. Ion-electron collisions are only allowed for: i.e., the linear transport equation is used to describe the problem with boundary conditions consists of isotropic and diffuse boundary conditions. The bi-variational technique has been used to calculate the electron density and temperature across the conduction zone as well as the heat flux. Numerical results are given and compared with those of Rouse and Williams (1981) results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00653236
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Particle escape probability from spherical geometry (1988)
    Springer
    Astrophysics and space science 150 (1988), S. 9-15 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The particle escape probability from a spherical region containing an internal source is defined in terms of a functional relation for the diffuse scattering problem. The bivariational method is used to obtain numerical results for homogenous and inhomogeneous sphere.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00714148
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Radiative transfer in an infinite cylinder (1987)
    Springer
    Astrophysics and space science 139 (1987), S. 321-326 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The problem of radiation transfer in a cylinder with diffuse reflectivity and containing an energy source is connected with the source-free radiation transfer problem with isotropic boundary condition. Equation for the radiation heat flux is obtained for a polynomial source. In the special case of isotropic scattering, the radiation heat flux is given in terms of the albedo of the second problem. An expression is also given for the net radiation heat flux.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00644361
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Radiation transfer in inhomogeneous dispersive media (1987)
    Springer
    Astrophysics and space science 139 (1987), S. 75-82 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Equations for the angular density of radiation, reflected and transmitted intensities associated with radiation scattered by inhomogeneous dispersive media are obtained. The Padé approximant technique is used to calculate these intensities in inhomogeneous and homogeneous media. The results for the [0/1] Padé approximant lead to numerical results that compared with the exact results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00643813
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Angular radiation transfer in inhomogeneous dispersive media (1988)
    Springer
    Astrophysics and space science 148 (1988), S. 363-372 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The equation of radiative transfer for an inhomogenous dispersive finite medium subject to general boundary conditions is solved. The Padé approximation technique is used to calculate the angular distribution of radiation. Numerical results for the [0/1] Padé approximant lead to numerical results that compared with the exact results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00645970
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Padé approximant calculations for dispersive, isotropic scattering, homogeneous media (1988)
    Springer
    Astrophysics and space science 149 (1988), S. 187-195 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Exact relations for radiation heat flux at the boundaries of a slab with diffusely reflecting boundary conditions and internal source are obtained in terms of the reflection and transmission coefficients of a source free slab with isotropic boundary conditions. The integral equation defining the radiation heat flux contains explicitly the internal source. So, the particular solution for radiative transfer equation is not required. Available exact values for albedos give exact values of radiation heat flux. Padé approximant technique is used to obtain numerical values for homogenous media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00639789
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Energy-dependent transport problem with generalized boundary conditions (1989)
    Springer
    Astrophysics and space science 158 (1989), S. 95-105 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The slowing-down Boltzmann equation for generalized boundary conditions is considered and transformed to one-speed equation in Laplace space. Exact relations between energy reflection and transmission coefficients for a problem with diffuse reflecting boundary conditions and the albedos for the problem with isotropic boundary conditions are obtained. The Galerkin method is used to calculate the energy reflection coefficient for a finite slab for different thicknesses at different mass ratiosA, target to projectile mass, at different synthetic-scattering kernels. The results for partial heat fluxes for isotropic and anisotropic-scattering dispersive medium are given. The results obtained for isotropic boundary conditions are compared well with the exact results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00637444
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    Paper (German National Licenses)
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