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  • 1
    Electronic Resource
    Electronic Resource
    Determination of molecular size distributions of modified corn starch by size exclusion chromatography (1981)
    s.l. : American Chemical Society
    Analytical chemistry 53 (1981), S. 736-737 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac00227a042
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Radio physics of the outer solar system (1973)
    Springer
    Space science reviews 14 (1973), S. 534-551 
    Details
    ISSN: 1572-9672
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The remote sensing of low frequency nonthermal radio emission is the astronomy of field and particle phenomena. Observations conducted from space lead to information about the composition and dynamic processes occurring in planetary magnetospheres as well as within the interplanetary and interstellar medium. The potential of this technique is demonstrated by considering observations obtained from Earth orbit missions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00214760
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Satellite observations of type III solar radio bursts at low frequencies (1974)
    Springer
    Space science reviews 16 (1974), S. 145-188 
    Details
    ISSN: 1572-9672
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Type III solar radio bursts have been observed from 10 MHz to 10 kHz by satellite experiments above the terrestrial plasmasphere. Solar radio emission in this frequency range results from excitation of the interplanetary plasma by energetic particles propagating outward along open field lines over distances from 5 R ⊙ to at least 1 AU from the Sun. This review summarizes the morphology, characteristics and analysis of individual as well as storms of bursts. Substantial evidence is available to show that the radio emission is observed at the second harmonic instead of the fundamental of the plasma frequency. This brings the density scale derived by radio observations into better agreement with direct solar wind density measurements at 1 AU and relaxes the requirement for type III propagation along large density-enhanced regions. This density scale with the measured direction of arrival of the radio burst allows the trajectory of the exciter path to be determined from 10 R ⊙ to 1 AU. Thus, for example, the dynamics and gross structure of the interplanetary magnetic field can be investigated by this method. Burst rise times are interpreted in terms of exciter length and dispersion while decay times refer to the radiation damping process. The combination of radio observations at the lower frequencies and in-situ measurements on non-relativistic electrons at 1 AU provide data on the energy range and efficiency of the wave-particle interactions responsible for the radio emission.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00240885
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Comparisons of interplanetary type III storm footpoints with solar features (1971)
    Springer
    Solar physics 109 (1971), S. 107-118 
    Details
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The trajectories of 38 type III storms in the interplanetary medium have been deduced from ISEE-3 radio observations and extrapolated back to the Sun to determine the Carrington coordinates of their footpoints. The analysis assumes radial motion of the solar wind, and the trajectories are projected radially back toward the surface for the last few solar radii. To identify the storm sources, the footpoints were compared to a variety of solar features: to the large-scale neutral line at the base of the current sheet, to active regions, to the small-scale neutral lines and Hα filaments which trace out active regions, and to coronal holes. Most of the footpoints were found to lie near active regions, in agreement with metric storm locations. There is a weak correlation with Hα filaments, no apparent association with the current sheet, and an anticorrelation with coronal holes. There is a small excess of storms in the leading half of magnetic sectors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00167402
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Search for Jovian Hectometric Continuum Radiation (1970)
    [s.l.] : Nature Publishing Group
    Nature 227 (1970), S. 591-591 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RAE-I was launched on July 4, 1968, into a 5,860 km retrograde circular orbit of 59 inclination and period 3 h 44 min. It has two oppositely directed 229 in V antennas and one 37 m dipole. The antennas are connected to radiometers which cover 0-20 to 9-2 MHz. There are two methods for identifying ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/227591a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Active solar radio regions at metric frequencies and the interplanetary sector structures (1971)
    Springer
    Solar physics 19 (1971), S. 247-256 
    Details
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The possible relation between type I noise active regions and the polarity distribution of the interplanetary magnetic field is examined for the period from 13 March to 21 August, 1968 (Solar Rotation Numbers 1842–1847) by using data from ground-based and satellite observations. In general four type I radio regions appeared during each solar rotation period except for Rotation No. 1842. The number of type I regions is the same as the number of sector boundaries. This result suggests that the configuration of the photospheric magnetic field extending into the interplanetary space may be related to the origin of the type I radio regions. Statistically the passage of the sector boundaries is delayed by approximately 5 days after the central meridian passage of the type I noise regions on the solar disk. The position of the source of the sector boundaries and its relation to the type I radio regions are investigated by taking into account the mean bulk velocity of solar winds as observed by space probes. A model of the large-scale structure of type I radio regions and their relation to the sector structure of the magnetic field as observed in the interplanetary space is briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00148838
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    Paper (German National Licenses)
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