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  • 1
    Electronic Resource
    Electronic Resource
    Quantitative electron channeling measurements for high sensitivity surface analysis (1990)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 57 (1990), S. 2098-2100 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Very high sensitivity to low dose implantation damage has been achieved by a novel quantitative analysis of electron channeling patterns (ECPs). An algorithm, based on the statistical analysis of the two-dimensional ECP pictures obtained from a scanning electron microscope, has been developed. The analysis yields a single number (the variance), analogous to the quantity χmin deduced from ion channeling measurements, which characterizes the surface crystallinity. Measurements performed on implanted silicon (point defects) and CdTe (extended defects) crystals show that electron channeling is approximately two orders of magnitude more sensitive to implantation damage than ion channeling. Changes in the ECP of Si and CdTe were observed after implantations with 200 keV Ar and 320 keV In ions at doses as low as 1×1012 cm−2 and 1×1013 cm−2, respectively. Moreover, electron channeling is capable of probing areas about four orders of magnitude smaller than commonly used ion channeling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.103953
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A pear rootstock trial in Israel
    Amsterdam : Elsevier
    Scientia Horticulturae 8 (1978), S. 249-264 
    Details
    ISSN: 0304-4238
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0304-4238(78)90032-8
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Numerical calculation of transitional boundary layers (1982)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 2 (1982), S. 1-23 
    Details
    ISSN: 0271-2091
    Keywords: Transition ; Boundary Layers ; Models of Turbulence ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A computational procedure for compressible axisymmetric boundary layers, on bodies of revolution, in transition from laminar to turbulent flow, is introduced. The procedure is an extension of a former method, due to Patankar and Spalding.The flow field is computed by solution of four simultaneous equations for the momentum, the thermal energy, the turbulence energy amplitude and the turbulent scale.The results show good agreement with existing theoretical and experimental data.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650020102
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    Paper (German National Licenses)
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