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  • Other Sources  (11)
  • 1990-1994  (6)
  • 1960-1964  (2)
  • 1955-1959  (2)
  • 1930-1934
  • 1925-1929  (1)
  • 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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    Die Maikäfer in Deutschland. Mitteilungen über Flugjahre und Entwicklungsdauer von Melolontha melolontha L. und Melolontha hippocastani F. (1925)
    In:  Arbeiten aus der biologischen Bunbdesanstalt für Land- und Forstwirtschaft 14, Heft 1; Parey, Springer, Berlin; p.1-76
    Details
    Publication Date: 1925
    Description: Detaillierte Auflistung des Maikäferauftretens verschiedener Jahre aus dem Zeitraum 1900-1920 aus ganz Deutschland in Bezirks- teilw. sogar Gemeindeauflösung wird gegeben. Der Einfluß der Temperatur in Form von 9°C Mitteltemperatur als Grenze für die Generationenanzahl der beiden Maikäferarten Melolontha melolontha L. und Melolontha hippocastani F. wird diskutiert. Eine Karte über die Generationsdauer der beiden Maikäferarten im deutschen Reich, teilweise auf Bezirksebene, ist enthalten. KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
    Keywords: Deutschland ; 1855-1923 ; Forst ; Pflanzenschädling
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    BIBLIOGRAPHY INKA BB
  • 3
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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
  • 4
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    Statusof GPS/Acoustic Measurements of Seafloor Strain Accumulation Across the Cascadia Subduction Zone (1993)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Description: This paper presents the status of the long-term experiment using a hybrid GPS/acoustic system to determine strain rates across the Cascadia subduction zone.
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    NASA TECHNICAL REPORTS
  • 5
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    Optical spectra of radio galaxies (1964)
    In:  Other Sources
    Details
    Publication Date: 2019-01-01
    Description: Optical spectra and properties of radio galaxies
    Keywords: SPACE SCIENCES
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    NASA TECHNICAL REPORTS
  • 6
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    Two-stage emitter follower is temperature stabilized (1964)
    In:  CASI
    Details
    Publication Date: 2019-05-11
    Description: Two-stage temperature stabilized circuit using two transistors is described. Increase in temperature causes the base-to-emitter voltage of n-p-n transistor to become less positive whereas the base-to-emitter voltage of p-n-p transistor becomes less negative, so the temperature-induced variation in V sub 1 and V sub 2 cancel out.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: MSC-20
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    A deep x ray survey in the Lockman hole and the soft x ray log N - log S (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The longest pointed observation (152 ksec) with the Rosat position sensitive proportional counter in the direction of the absolutely lowest neutral hydrogen column density is discussed. 26 shallower fields from the Rosat medium sensivity survey are analyzed. 1176 X-ray sources were detected in at least one Rosat energy band in these fields covering a total solid angle of 9.3 deg; 661 of these sources constitute a statistically complete sample detected in the hard band with 0.5 to 2 keV fluxes greater than 2.5 times 10 to the power of minus 15 erg/sq cm s. The faintest limiting flux of the survey is analyzed. Detailed simulations show that confusion effects and other selection biases are relatively small and can be corrected for in the sample. From an analysis in the Lockman field, a best fit slope of approximately 1.8 is found for the extrapolation of the differential X-ray counts below 2.5 times 10 to the power of minus 15 erg/sq cm s. On the basis of this analysis an upper limit of approximately 25% can be found for a truly diffuse background component in the Rosat hard band.
    Keywords: ASTRONOMY
    Type: NASA-CR-194698 , NAS 1.26:194698 , MPE-PREPRINT-238
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    NASA TECHNICAL REPORTS
  • 8
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    Tuning CAS Application using AIMS: An Automated Instrumentation and Monitoring System (1994)
    In:  Other Sources
    Details
    Publication Date: 2019-08-13
    Description: To bring together NASA's scientists and engineers and their counterparts in industry, other government agencies, and academia working in the Computational AeroSciences (CAS) field. This workshop is part of the technology transfer plan of the High Performance Computing and Communications Program (HPCCP). Specific objectives of this Workshop are to: (1) communicate the goals and objectives of HPCCP in the area of CAS; (2) promote and disseminate CAS technology within the appropriate technical communities, including NASA, industry, academia, and other government labs; (3) help promote synergy among CAS scientists; and (4) permit feedback from peer researchers in issues pacing the CAS field in general and the HPCCP CAS program in particular.
    Keywords: Aeronautics (General)
    Type: NASA Computational Aerosciences Workshop; Mar 07, 1995 - Mar 09, 1995; Moffett Field, CA; United States
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    NASA TECHNICAL REPORTS
  • 9
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    Discovery of intermediate redshift galaxy clusters in the ROSAT NEP field (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-08-27
    Description: We report preliminary results from a program to identify optical counterparts of ROSAT sources in the North Ecliptic Pole (NEP) region. The most striking X-ray feature reported by Hasinger et al. (1991) is an extended low surface brightness region of X-ray emission. Within the two X-ray contours of highest count rate we find a cluster of galaxies at a redshift of 0.09 and an early-type galaxy at a redshift of 0.03. X-ray emission from these objects may provide an explanation for the observed X-ray morphology. We also find evidence that other X-ray sources in this region are coincident with clusters or groups of galaxies at redshifts between 0.08 and 0.09. The presence of at least five X-ray detected clusters or groups in this narrow redshift band within a 1.5 deg radius field seems to indicate the existence of a moderate redshift supercluster. The existence of these clusters will have major implications for the study of large-scale structure through X-ray surveys such as ROSAT.
    Keywords: ASTROPHYSICS
    Type: Astronomy and Astrophysics (ISSN 0004-6361); 259; 1; p. L9-L11.
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    NASA TECHNICAL REPORTS
  • 10
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    Formation of glycolipids by n-alkanes utilizing marine bacteria (1991)
    Institut für Meereskunde
    Details
    Publication Date: 2022-06-08
    Description: During a screening for biosurfactants among marine microorganisms it was possible to isolate two marine bacteria producing glycolipids. One strain was identified as Arthrobacter sp. EK l which produced trehalose lipids, mainly a 2,3,4,2'­-trehalose tetraester. From the other pure culture identified as Alcaligenes sp. MM l a new glucose lipid was isolated.
    Type: Article , NonPeerReviewed
    Format: text
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    PAPER (OCEANREP)
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