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  • Other Sources  (6)
  • 1980-1984  (3)
  • 1965-1969  (1)
  • 1955-1959  (2)
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  • 1
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    Der Einfluß der Temperatur auf Beginn und Verlauf des Apfelwicklerfluges (1956)
    In:  Arch. Gartenbau 4, Heft 4; p.277-278
    Details
    Publication Date: 1956
    Description: Auf der Basis von Messungen mit Apfelwicklerkontrollkästen wurden unter anderem anhand von Korrelationsanalysen der Einfluß der Temperatur auf das Schlüpfen des Apfelwicklers, sowie den Apfelwicklerflug untersucht. Als Ergebnis wird unter anderem eine Temperatursummenregel präsentiert. KATASTER-BESCHREIBUNG: Temperatursummenregel für den Massenflug der ersten Apfelwicklergeneration im Jahr. KATASTER-DETAIL: Mit dem Beginn des Massenfluges der ersten Generation ist zu rechnen, wenn ab einer Temperatursumme von 283°C (Basis 6°C) ab Huflattichblüte bzw. 136°C (Basis 8°C) ab Stachelbeerblüte niederschlags- und windarme Tage mit Tagesmitteltemperaturen 〉=15°C auftreten.
    Keywords: DDR ; 1953-1955 ; Apfel ; Pflanzenschädling ; Obst
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    BIBLIOGRAPHY INKA BB
  • 2
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    Der Einfluß der Temperatur auf Schlüpfzeitpunkt und Flugaktivität des Apfelwicklers (Carpocapsa pomonella L.) (1958)
    In:  Arch. Gartenbau 6, Heft 1; p.12-22
    Details
    Publication Date: 1958
    Description: Der Autor versucht den Massenflug der 1.Generation des Apfelwicklers und das Maximum des Apfelwicklerfluges weiterer Generationen durch eine Temperatursummenregel zu erklären. Hierbei wurden gute Ergebnisse erzielt. KATASTER-BESCHREIBUNG: Aufstellung einer Temperatursummenregel, durch die ein Termin ermittelt werden kann, ab dem, bei Eintreten weiterer Bedingungen, mit dem Massenflug der 1.Apfelwicklergeneration gerechnet werden muss KATASTER-DETAIL: Beginn des Massenfluges -〉 wenn ab Temperatursumme 283°C (Basis 6°C) ab Huflattichblüte bzw. Temperatursumme 136°C (Basis 8°C) ab Stachelbeerblüte relativ warme, nds.- und windschwache Tage mit Tagesmitteltemperaturen 〉 15°C auftreten (wobei mind. 12-14h 〉 15°C und 6-8h 〉 20°C herrschen müssen); Für weitere Apfelwicklergenerationen sind Perioden mit relativ warmen, nds.- und windschwachen Tage mit Tagesmitteltemperaturen 〉 15°C (wobei mind. 12-14h 〉 15°C und 6-8h 〉 20°C herrschen müssen) wichtig
    Keywords: DDR ; 1950-1955
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    BIBLIOGRAPHY INKA BB
  • 3
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    The galactic spheroid (1983)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Analytic approximations and numerical simulations are used to derive the characteristic behavior of star counts in a galactic spheroidal population, whose visible stars' stellar luminosity function is obtainable for galactocentric distances between about 4 and 12 kpc from star count observations above 30 deg galactic latitude. The total densities of stars and of mass in the spheroid at the solar position are evaluated using different assumed luminosity functions, in order to extrapolate the measured values to a wider range of absolute magnitudes. The upper limits to the frequency of intermediate population stars are derived for the absolute visual magnitude range of 5-8. If such stars occur in either a flat disk with a scale height of 3 kpc or a spheroid with an ellipticity of 0.5, their local surface density is less than 1.8 times that of the spheroid.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal; vol. 265
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Observations of quasars with the International Ultraviolet Explorer satellite (1980)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The paper deals with the spectra of six quasars, ranging in redshift from 0.23 to 2.04, obtained with the 45-cm telescope mounted on the IUE satellite. The average emission-line intensity ratio for L-alpha to H beta and the detection of higher-order Lyman emission lines in two objects are found to be inconsistent with a simple optically thick recombination model. The Lyman and Balmer line velocity profiles are identical. The emission lines in 3C 351 can be decomposed into sharp and broad components, with the sharp lines consistent with the recombination model.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal; vol. 239
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    IUE observations of high-redshift quasars (1984)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Attention is given to the spectral energy distributions of nine high-redshift quasars between 1250 and 10,000 A. The distributions steepen shortward of about 1200 A in all but one object. The steepening's lack of correlation with QSO luminosity suggests that it arises from absorption by intervening material along the line of sight. Reddening may contribute to the steepening of the QSO continua, if dust lies along the line of sight to the continuum source, and is difficult to assess quantitatively. In QSOs with redshift sufficiently high for Lyman-alpha to be observed at high resolution, it is possible to account for the observed continuum steepening by the Lyman continuum absorption corresponding to the narrow Lyman-alpha absorption lines seen.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 281; 76-89
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    On the nature of Ryle and Bailey's candidate star for the pulsating radio source CP 1919. (1969)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Photoelectric monitoring broadband photometry and spectral scans of candidate star for pulsating radio source CP 1919
    Keywords: SPACE SCIENCES
    Type: ; RO(
    Format: text
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    NASA TECHNICAL REPORTS
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