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  • 1
    Electronic Resource
    Electronic Resource
    Determination of velocity distribution of metallic atoms in plasma devices with a rapid-frequency-scan dye laser (1984)
    Springer
    Applied physics 33 (1984), S. 171-177 
    Details
    ISSN: 1432-0649
    Keywords: 42.55m ; 52.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A rapid-frequency-scan dye laser was developed for the measurement of the velocity-distribution functions of impurity atoms sputtered due to the high-temperature plasma-surface interaction. In order to confirm the effectiveness of this rapid-scan technique, measurements of the Doppler profiles of Fe atoms sputtered by Ar ion-beam bombardment with energy 3 keV were performed. A scanning range of more than 40 pm at λ ≈300 nm was obtained with a spectral bandwidth of 1.5 ∼2 pm and good linearity. Doppler profiles were determined in various scattering conditions, and excellent performance of this technique was demonstrated. The distortion error caused by line saturation was analytically discussed, and it is shown that the effect of this error is not so serious (less than 10%) even for highly saturated excitation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688525
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A new type of growth exhibited by Trimmatostroma abietis (1996)
    Springer
    Antonie van Leeuwenhoek 69 (1996), S. 211-215 
    Details
    ISSN: 1572-9699
    Keywords: Growth ; pleomorphism ; morphology ; microcolonial fungi
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Trimmatostroma abietis initially grew as hyphae when grown in various media containing yeast extract or bactopeptone. It grew as segmented elements (lumbricoid elements) characterized by bidirectional growth, when grown in Czapek-Dox broth or yeast nitrogen base supplemented with 1% glucose. A lumbricoid element usually was 10–70 μm in length, with transverse septation only and contained 3 to 15 cells. Growth and propagation, as revealed by time-lapse photomicrography occurred as follows. Elements usually grew by apical elongation without widening; after simple apical elongation adjacent parts of two central cells eventually started to grow, resulting in the separation of the element into two.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399608
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    Paper (German National Licenses)
    Fulltext
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