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  • 1
    Electronic Resource
    Electronic Resource
    High critical current densities in superconducting MgB2 thin films (2001)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 79 (2001), S. 2429-2431 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Superconducting MgB2 thin films were prepared on Al2O3(0001) and MgO(100) substrates. Boron thin films were deposited by the electron-beam evaporation followed by postannealing process with magnesium. Proper postannealing conditions were investigated to grow good superconducting MgB2 thin films. The x-ray diffraction patterns showed randomly oriented growth of MgB2 phase in our thin films. The surface morphology was examined by scanning electron microscope and atomic force microscope. Critical current density (JC) measured by transport method was about 107 A/cm2 at 15 K, and superconducting transition temperature (TC) was ∼39 K in the MgB2 thin films on Al2O3. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1407854
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  • 2
    Electronic Resource
    Electronic Resource
    Vapor Phase Reaction between Anhydrous Aluminum Fluoride and Boron Oxide (1966)
    s.l. : American Chemical Society
    Inorganic chemistry 5 (1966), S. 1625-1627 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic50043a040
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  • 3
    Electronic Resource
    Electronic Resource
    Papier (1942)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 123 (1942), S. 451-451 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01357862
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  • 4
    Electronic Resource
    Electronic Resource
    Simulation of three-dimensional wind flow over complex terrain in the atmospheric boundary layer (1984)
    Springer
    Boundary layer meteorology 29 (1984), S. 381-396 
    Details
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract A three-dimensional model for wind prediction over rough terrain has been developed for practical use. It is a compromise between hydrodynamic and objective wind models. The proposed model includes: (1) a statistical model to predict the wind velocity and potential temperature at anemometer height at observing stations, (2) the drainage wind model expressed by Prandtl's analytic solution for the slope wind, (3) the Businger-Dyer surface-layer formulation which considers the surface energy budget and (4) the model for three-dimensional boundary-layer solutions to the stationary flow. In this model, mass consistency is guaranteed by using flow fields that satisfy the continuity equation. Model predictions show good agreement with the observations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00120537
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  • 5
    Electronic Resource
    Electronic Resource
    An analysis of the topographical effect on turbulence and diffusion in the atmosphere's boundary layer (1975)
    Springer
    Boundary layer meteorology 8 (1975), S. 323-334 
    Details
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract An analysis of the wind data recorded at the fifteen stations in the Salt Lake Valley indicates that the distributions of the kinetic energy of the mean and turbulent motions in the valley are generally inhomogeneous and nonstationary. The mean motion in the valley, which is strongly affected by the mountain-valley winds, shows a southeasterly flow in the evening and early morning, a northwesterly flow in the afternoon, and a transitional flow in the late morning and after sunset. The mountain winds generally associate with a horizontally convergent flow, whereas the valley winds associate with a horizontally divergent flow. The distributions of the kinetic energy of the mean and turbulent motions show a maximum occurring in the central part of the valley and two minimums, one in the northern and one in the southern part of the valley. In the afternoon, both the mean and turbulent motions increase their intensities, particularly in the western part of the valley. An analysis of the dispersion characteristics indicates that the rate of diffusion in the valley changes with time and space, with a maximum occurring in the early afternoon and minimum in the early morning.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02153555
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  • 6
    Electronic Resource
    Electronic Resource
    A statistical model for concentration prediction at a mountain and valley station (1984)
    Springer
    Water, air & soil pollution 23 (1984), S. 331-338 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract An atmospheric statistical model for surface pollutant concentration prediction near Anderson Creek, California, has been constructed. The model can predict the surface pollutant concentration depending on meteorological variables very well. Under the assumption of constant emission rate and mixing depth, it is found from this study that the surface pollutant concentration at a mountain and valley station depends primarily on the surface wind speed, surface wind direction, geostrophic wind and surface thermal stability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00283208
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  • 7
    Electronic Resource
    Electronic Resource
    Prediction of surface potential temperature over complex terrain (1984)
    Springer
    Boundary layer meteorology 28 (1984), S. 79-87 
    Details
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Based on a statistical approach, the surface potential temperature at seven observing stations in complex terrain has been examined. It is shown that the surface potential temperature depends primarily on the rate of change of slope wind and on the geostrophic-level potential temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00119457
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