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  • 1970-1974  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 100 (1972), S. 174-184 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Zusammenfassung Der Tagesgang und der Jahresgang der Sferics-Impulshäufigkeit werden abgeleitet. Diese Sferics-Häufigkeit ist seit 1966 auf 27 kHz in Roburent, in Nord-Italien, registriert worden. Der Mindestabstand der Gewitterherde, welche zur Zeit des Sonnenaufgangs ein ungestörte Bild der Impulshäufigkeit geben, wird mit Hilfe des Sonnenaufgangseffekts abgeleitet: der Abstand liegt — abhängig von der Jahreszeit und der Einfallsrichtung — zwischen 600 und 1300 km; jedoch bewegt er sich in dem engeren Rahmen zwischen 700 und 900 km zur Zeit der Tag-und Nachtgleichen. Betont wird die Rolle der Bodenwelle, welche von Gewitterherden in einem Abstand von weniger als 500 km erzeugt wird.
    Notes: Summary The diurnal and seasonal variation of the VLF sferics pulse rate recorded at Roburent, Northern Italy, on 27 kHz since 1966 is derived. By analyzing the sunrise effect, the minimum distance of the thunderstorm centers providing at that time an unperturbed behaviour of the sferics pulse rate is obtained: this distance varies in azimuth and with the seasons and lies between 600 and 1300 km. In the time of the equinoxes, however, it is more stable between 700 and 900 km. The role of the groundwave propagation, generated by thunderstorm center within a radius of less than 500 km, is emphasized.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 78 (1971), S. 461-463 
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The vinblastine technique was used to demonstrate that the proliferative capacity of colony-forming cells in organ culture of embryonal liver of mice between the first and seventeenth day of cultivation is adequately high. The relative content of CFU increases in culture with a maximum between one and two weeks.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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