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  • 1
    Electronic Resource
    Electronic Resource
    Doubly-charged gas phase cations (1986)
    Springer
    Theoretical chemistry accounts 69 (1986), S. 147-159 
    Details
    ISSN: 1432-2234
    Keywords: Doubly-charged cations ; Stabilities and reactivities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Unique features of doubly-charged stable organic ions are examined and the results correlated with experimental observations. Self-consistent field molecular orbital methods are used to compute structures and stabilities of CnH 2 2+ (n=2–9) ions which are prominent in electron impact ionization of hydrocarbon molecules. A simple curve crossing model is employed to rationalize charge transfer reactions of these ions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00527686
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Broadening of Fe X (6374 Å) profiles above the limb in a coronal hole (1994)
    Springer
    Space science reviews 70 (1994), S. 373-377 
    Details
    ISSN: 1572-9672
    Keywords: Solar corona ; Coronal holes ; Solar wind ; UV spectroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Profiles of the visible Fe X (6374 Å) coronal emission line as a function of height above the limb were obtained out to 1.16 solar radii in a coronal hole using the NSO/Sacramento Peak Observatory Coronagraph, Universal Spectrograph and a CCD camera. These are the first coronal line profiles obtained as a function of height in a coronal hole from the ground. Analysis of the line widths suggests a large component of nonthermal broadening which increases with height ranging from 40 to 60 km/s, depending upon the assumed temperature or thermal component of the profile.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00777895
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    Paper (German National Licenses)
    Fulltext
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