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  • Polymer and Materials Science  (28,293)
  • Inorganic Chemistry  (8,905)
  • AIRCRAFT PROPULSION AND POWER
  • Deutschland
  • 1995-1999  (16,848)
  • 1975-1979  (18,275)
  • 1935-1939  (3,368)
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Keywords
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Years
Year
  • 1
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    Universität Göttingen,Abteilung Bodenphysik
    In:  Universität Göttingen
    Publication Date: 2024-04-01
    Description: research
    Keywords: Humus ; Bodenanalyse ; Basalt ; Ausgangsgestein ; Braunerde ; Türkei ; Deutschland
    Language: German
    Type: doc-type:book
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  • 2
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    In:  Wirtschaft und Statistik , 15, 662, Verlag für Sozialpolitik
    Publication Date: 1935
    Description: Entwicklung der Erträge von Winterroggen, Winterweizen, Sommergerste, Hafer, Kartoffeln, Zuckerrüben, Wiesenheu, Kleeheu in den jeweiligen deutschen Anbaugebieten KATASTER-BESCHREIBUNG: kein Bezug zum Klima KATASTER-DETAIL:
    Keywords: Deutschland ; 1878-1935 ; Zuckerrüben ; Kartoffeln ; Ertrag ; Hafer ; Roggen ; Weizen ; Gerste
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  • 3
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    In:  Bundesgesundheitsblatt 22, 8-13
    Publication Date: 1979
    Description: einheimische Malaria als man-made-disease KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
    Keywords: Deutschland ; Umweltmedizin ; Infektionskrankheiten
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  • 4
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    In:  International Journal of Biometeorology 42, 84-88
    Publication Date: 1998
    Description: Abnahme des thermischen Einflusses auf den saisonalen Verlauf der Mortalität KATASTER-BESCHREIBUNG: sich verbessernde Bedingungen im Gesundheitswesen und bei der Innenraumtemperatur bedingen Abnahme des thermischen Einflusses insb. für Mortalitätszunahme bei niedrigen Temperaturen KATASTER-DETAIL:
    Keywords: Deutschland ; 1946-1995 ; Umweltmedizin ; Temperatur
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  • 5
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    In:  Mitteilungen für die Landwirtschaft 51(Heft 46).
    Publication Date: 1936
    Description: Beobachtungen zum Ernteausfall und dessen Beeinflussung durch den Witterungsverlauf im Jahr 1936. Vergleich mit vergangenen Jahren. KATASTER-BESCHREIBUNG: Zusammenhang zwischen Temperatur und Niederschlag in den Monaten April, Mai und Juni und den Reichsertragsschätzungen, bzw. den tatsächlichen Erträgen. Bedeutung eines längeren warmen und niederschlagsarmen Junis für Getreide. KATASTER-DETAIL: Delta T (Juni) -, dann Erträge + Delta T (Juni) + und Niederschlage -, dann Ersträge -
    Keywords: Deutschland ; 1930-1936 ; Ertrag ; Getreide ; Landwirtschaft ; Niederschlag ; Temperatur ; Trockenheit
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  • 6
    Publication Date: 1937
    Description: Beziehung zwischen Witterungsverlauf und Ertragsleistung KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
    Keywords: Deutschland ; 1900-1935
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  • 7
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    In:  Kartoffelbau 29 (1):15-17.
    Publication Date: 1978
    Description: Zusammenhang Kartoffelertrag und -qualität und Witterungsverlauf KATASTER-BESCHREIBUNG: Einfluss der Witterung (Temperatur, Niederschlag) auf den Ernteertrag KATASTER-DETAIL: Delta T (Mai, Juni) + und Delta Nied (Mai, Juni) -, dann Pflanzenentwicklung -; Delta Bodenfeuchte -, dann Wachstum -; Delta T (März, April) 〈 0°C, dann Schäden +;
    Keywords: Deutschland ; 1975-77 ; Kartoffeln ; Ertrag ; Landwirtschaft ; Niederschlag ; Temperatur ; Witterung
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  • 8
    Publication Date: 2009-11-17
    Description: Fuel efficiency in aeronautics, for fuel conservation in general as well as for its effect on commercial aircraft operating economics is considered. Projects of the Aircraft Energy Efficiency Program related to propulsion are emphasized. These include: (1) engine component improvement, directed at performance improvement and engine diagnostics for prolonged service life; (2) energy efficient engine, directed at proving the technology base for the next generation of turbofan engines; and (3) advanced turboprop, directed at advancing the technology of turboprop powered aircraft to a point suitable for commercial airline service. Progress in these technology areas is reported.
    Keywords: AIRCRAFT PROPULSION AND POWER
    Type: Aeropropulsion 1979; p 1-58
    Format: text
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  • 9
    Publication Date: 2004-12-03
    Description: This note reports tests in a shock tunnel in which a fully integrated scramjet configuration produced net thrust. The experiments not only showed that impulse facilities can be used for assessing thrust performance, but also were a demonstration of the application of a new technique to the measurement of thrust on scramjet configurations in shock tunnels. These two developments are of significance because scramjets are expected to operate at speeds well in excess of 2 km/sec, and shock tunnels offer a means of generating high Mach number flows at such speeds.
    Keywords: AIRCRAFT PROPULSION AND POWER
    Type: Shock Tunnel Studies of Scramjet Phenomena 1993; p 19-27
    Format: text
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  • 10
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    In:  CASI
    Publication Date: 2006-07-16
    Description: Propulsion needs of high performance military aircraft are discussed. Inlet performance, nozzle performance and cooling, and afterburner performance are covered. It is concluded that nonaxisymmetric nozzles provide cleaner external lines and enhanced maneuverability, but the internal flows are more complex. Swirl afterburners show promise for enhanced performance in the high altitude, low Mach number region.
    Keywords: AIRCRAFT PROPULSION AND POWER
    Type: Aeropropulsion 1979; p 445-462
    Format: text
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