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  • Other Sources  (19)
  • Seismology  (8)
  • FLUID MECHANICS AND HEAT TRANSFER  (5)
  • Deutschland  (3)
  • Pflanzenschädling  (3)
  • 42.75
  • Organic Chemistry
  • Temperatur
  • 1950-1954  (19)
  • 1954  (19)
  • 1
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    Effects of low - velocity layers (1954)
    In:  Geofisica Pura e Applicata, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 28, no. 6, pp. 1-10, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1954
    Keywords: Low velocity layer ; Seismology
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Slip direction in earthquakes calculated from observed ratios SH/SV (1954)
    In:  Bull. Geol. Soc. Am., Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 65, no. 6, pp. 1342, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1954
    Keywords: Seismology ; Source parameters ; Shear waves ; Polarization
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Larger shocks of 1953 (1954)
    California Institute of Technology Pasadena
    In:  Seismological Laboratory Bulletin, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 1953, no. 6, pp. 98, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1954
    Keywords: Earthquake catalog ; Seismology ; Seismicity
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Low-velocity layers in the earth's mantle (1954)
    In:  Bull. Geol. Soc. Am., Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 65, no. 6, pp. 337-347, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1954
    Keywords: Low velocity layer ; Seismology
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
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    Seismicity of Southern California (1954)
    In:  Bull. California Division of Mines San Francisco, Luxembourg, National Academy of Sciences of the USA, vol. 170, no. 3-5, pp. 19-25, pp. B05311, (ISSN: 1340-4202)
    Details
    Publication Date: 1954
    Keywords: Seismicity ; Seismology
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    BIBLIOGRAPHY SEISMOLOGY
  • 6
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    Progress report, Seismological Laboratory, California Institute of Technology, 1953 (1954)
    In:  Trans. Am. Geophys. Union, Beijing, Pergamon, vol. 35, no. 3-4, pp. 979-987, pp. 1246
    Details
    Publication Date: 1954
    Keywords: Seismology ; Project report/description ; EOS
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    BIBLIOGRAPHY SEISMOLOGY
  • 7
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    Untersuchungen über das Ertragspotential der deutschen Waldlandschaften (1954)
    In:  AFJZ 125, Seite 153-159
    Details
    Publication Date: 1954
    Description: Darstellung eines Klimaindexes mit direktem Bezug zu Holzzuwachs in Wäldern KATASTER-BESCHREIBUNG: Formel für Klimaindex der mit dem durchschnittlichen Gesamtzuwachs korreliert ist KATASTER-DETAIL: Delta T++: Tmj=2K (alle anderen Faktoren=konstant), dann Zuwachs sinkt um 7.5%; Delta Nied--: prozentualer Rückgang im Jahresniederschlag (alle anderen Faktoren=konstant), dann gleicher prozentualer Rückgang im Zuwachs; I=(P x pn x (Z - 60))/(Tmj - 10) x 92 x 100 (Tmj - mittlere Temperatur Mai – Juli P – jährliche Niederschlagssumme [mm] pn – Anzahl der Tage mit Niederschlag〉=0.1mm May - July Z - Anzahl der Tage ohne Frost (〉 0°))
    Keywords: Deutschland
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    BIBLIOGRAPHY INKA BB
  • 8
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    Zum Massenflug der Blattläuse (1954)
    In:  Gesunde Pflanzen 6; p.166-168
    Details
    Publication Date: 1954
    Description: Der Autor erklärt das massenhafte Auftreten verschiedener Blattlausarten Ende Mai 1954 mit trockenem warmem Wetter und nennt 19°C Tagesmitteltemperatur und Schwachwindigkeit als Fluginitiator für die Blattläuse. KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
    Keywords: Berlin, Hannover, Bonn ; 1954 ; Pflanzenschädling ; Witterung
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    BIBLIOGRAPHY INKA BB
  • 9
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    Untersuchungen zur Bekämpfung der Rapsschädlinge. III. Zur Biologie und Bekämpfung des Kohlschotenrüßlers (Ceutorrhynchus assimilis Payk.) und der Kohlschotengallmücke (Dasyneura brassicae Winn.) (1954)
    In:  Nachrichtenblatt deutsch. Pflanzenschutzdienst, p. 128-135
    Details
    Publication Date: 1954
    Description: Bericht über Untersuchungen zur Terminwahl für die Bekämpfung von Kohlschotenrüßler und Kohlschotengallmücke sowie Vergleiche der Ergebnisse mit der bisherigen Literatur KATASTER-BESCHREIBUNG: Einfluss der Temperatur auf das Auftreten des Kohlschotenrüßlers KATASTER-DETAIL: Delta T +: Tmit 〉 15°C, dann Erscheinen des Kohlschotenrüßlers
    Keywords: Sachsen-Anhalt ; 1952-1953 ; Pflanzenschädling ; Temperatur ; Raps
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    BIBLIOGRAPHY INKA BB
  • 10
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    Methoden zur Vorhersage von Phytophthora-Ausbrüchen (1954)
    In:  Zeitschrift für Acker- und Pflanzenbau 98, Heft 1; p.119-125
    Details
    Publication Date: 1954
    Description: Berichte über Warndienste und Prognoseverfahren der kritischen Witterungsperiodes für Phytophthora infestans aus verschiedenen Ländern (Niederlande, England, Irland, Deutschland) werden zusammengefasst. Es wird beispielhaft auf eine andere Arbeit verwiesen, die die Befallsbedingungen für Krautfäule in Schleswig-Holstein beschreibt. Eine Regel aus klimatischen Parametern für die kritische Periode in Schleswig-Holstein wird rezitiert. Zudem wird eine Regel für das Nulldatum (Gefährdungsbeginn) aus der Literatur für Deutschland. KATASTER-BESCHREIBUNG: Regel für die kritische Periode bei Phytophthora infestans für Schleswig-Holstein. Regel für den Zeitpunkt des Nulldatums in Deutschland für 4 Sorten. KATASTER-DETAIL: Nulldatum liegt bei 800°C bzw. 1100°C Temperatursumme der Tagesmitteltemperaturen ab 1.April (für die Sorten Erstling & Sieglinde bzw. Bona & Flava). Kritische Periode -〉 2 Tage in Folge tmax 〉 23°C, tmin 〉= 10°C, Dampfdruck im Tagesmittel 〉 12mm, mittlere Bewölkung 〉= 5/10; diese Bedingungen treten nur auf, wenn der Warmsektor eines Tiefdruckgebietes über Schleswig-Holstein liegt und in diesem Warmsektor subtropische Luftmassen beobachtet werden.
    Keywords: Deutschland ; 1949-1953 ; Kartoffeln ; Pflanzenkrankheit ; Hackfrüchte
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    BIBLIOGRAPHY INKA BB
  • 11
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    Die Vergilbungskrankheit der Rübe (1954)
    In:  Mitteilungen aus der Biologischen Zentralanstalt für Land- und Forstwirtschaft Berlin-Dahlem, Heft 79
    Details
    Publication Date: 1954
    Description: Zusammenfassender Bericht über die in den Jahren 1947-1952 in Westdeutschland durchgeführten Untersuchungen zur Epidemiologie, Verbreitung, wirtschaftlichen Bedeutung und Bekämpfung dieser Virose KATASTER-BESCHREIBUNG: Hauptbefallsgebiete sind solche, mit mildem Winterklima, in denen die langjährigen Mittelwerte des kältesten Monats Januar nicht unter 0°C abfallen; KATASTER-DETAIL: Delta T(Sommer)+ und Delta Nied (Sommer) -, dann Delta t(Individualentwicklung der Überträger)- und Massenentwicklung (der Überträger) +; Delta T(Sommer)+ und Delta Nied (Sommer)-, dann Vergilbungsschäden +; Delta T - und Delta Lichtintensität -, dann Wirkung des Virus -;
    Keywords: Westdeutschland ; 1947-1952 ; Infektionskrankheiten ; Ertrag ; Niederschlag ; Pflanzenkrankheit ; Pflanzenschädling ; Temperatur ; Trockenheit ; Wachstum ; Witterung ; Düngung
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  • 12
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    Der Einfluß der Witterung auf das Auftreten der Kraut- und Knollenfäule (Phytophthora infestans (Mont.) de Bary) und die sich daraus ergebenden Möglichkeiten für die Einrichtung eines Warndienstes zur Durchführung prophylaktischer Maßnahmen (1954)
    In:  Wissenschaftliche Zeitschrift der Universität Rostock 4; p.47-66
    Details
    Publication Date: 1954
    Description: Zunächst werden Kardinalwerte der verschiedenen Entwicklungsphasen von Phytophthora infestans aus der Literatur zusammengefasst. Im folgenden erfolgt ein Review über den Einfluß von Temperatur und Feuchte auf die Überwinterung, sowie den Einfluß des Windes auf die Verbreitung. KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
    Keywords: Deutschland ; 1949-1953 ; Kartoffeln ; Pflanzenkrankheit ; Hackfrüchte
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    BIBLIOGRAPHY INKA BB
  • 13
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    Study of the seismic waves SKS and SKKS (1954)
    In:  Bull. Seism. Soc. Am., Tokyo, Railway Tech. Res. Inst., vol. 44, no. 4, pp. 39-56, pp. L06615, (ISSN: 1340-4202)
    Details
    Publication Date: 1954
    Keywords: Waves ; Seismology ; earth Core ; Travel time ; BSSA
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    BIBLIOGRAPHY SEISMOLOGY
  • 14
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    Seismicity of the Earth and Associated Phenomena (1954)
    Princeton Univ. Press
    In:  Princeton, New Jersey, 9 + 310 pp., Princeton Univ. Press, vol. 7, no. XVI:, pp. 385-389, (ISBN 0-12-305355-2)
    Details
    Publication Date: 1954
    Keywords: Textbook of geophysics ; Seismology ; Seismicity
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    BIBLIOGRAPHY SEISMOLOGY
  • 15
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    Impingement of Water Droplets on NACA 65A004 Airfoil at 8 deg Angle of Attack (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The trajectories of droplets in the air flowing past an NACA 65AO04 airfoil at an angle of attack of 8 deg were determined.. The amount of water in droplet form impinging on the airfoil, the area of droplet impingement, and the rate of droplet impingement per unit area on the airfoil surface were calculated from the trajectories and presented to cover a large range of flight and atmospheric conditions. These impingement characteristics are compared briefly with those previously reported for the same airfoil at an angle of attack of 4 deg.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NACA-TN-3155
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    NASA TECHNICAL REPORTS
  • 16
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    Variation of Local Liquid-Water Concentration About and Ellipsoid of Fineness Ratio 5 Moving in a Droplet Field (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Trajectories of water droplets about an ellipsoid of revolution with a fineness ratio of 5 (which often approximates the shape of an aircraft fuselage or missile) were computed with the aid of a differential analyzer. Analyses of these trajectories indicate that the local concentration of liquid water at various points about an ellipsoid in flight through a droplet field varies considerably and under some conditions may be several times the free-stream concentration. Curves of the local concentration factor as a function of spatial position were obtained and are presented in terms of dimensionless parameters Re(sub 0) (free-stream Reynolds number) and K (inertia), which contain flight and atmospheric conditions. These curves show that the local concentration factor at any point is very sensitive to change in the dimensionless parameters Re(sub 0) and K. These data indicate that the expected local concentration factors should be considered when choosing the location of, or when determining antiicing heat requirements for, water- or ice-sensitive devices that protrude into the stream from an aircraft fuselage or missile. Similarly, the concentration factor should be considered when choosing the location on an aircraft of instruments that measure liquid-water content or droplet-size distribution in the atmosphere.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NACA-TN-3153
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    NASA TECHNICAL REPORTS
  • 17
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    Impingement of water droplets on wedges and double-wedge airfoils at supersonic speeds (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NACA-TR-1159
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    NASA TECHNICAL REPORTS
  • 18
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    Experimental Investigation of Sublimation of Ice at Subsonic and Supersonic Speeds and Its Relation to Heat Transfer (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An experimental investigation was conducted in a 3.84- by 10-inch tunnel to determine the mass transfer by sublimation, heat transfer, and skin friction for an iced surface on a flat plate for Mach numbers of 0.4, 0.6, and 0.8 and pressure altitudes to 30,000 feet. Measurements of rates of sublimation were also made for a Mach number of 1.3 at a pressure altitude of 30,000 feet. The results show that the parameters of sublimation and heat transfer were 40 to 50 percent greater for an iced surface than was the bare-plate heat-transfer parameter. For iced surfaces of equivalent roughness, the ratio of sublimation to heat-transfer parameters was found to be 0.90. The sublimation data obtained at a Mach number of 1.3 showed no appreciable deviation from that obtained at subsonic speeds. The data obtained indicate that sublimation as a means of removing ice formations of appreciable thickness is usually too slow to be of mach value in the de-icing of aircraft at high altitudes.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NACA-TN-3104
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    NASA TECHNICAL REPORTS
  • 19
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    Impingement of Water Droplets on an Ellipsoid with Fineness Ratio 5 in Axisymmetric Flow (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The presence of radomes and instruments that are sensitive to water films or ice formations in the nose section of all-weather aircraft and missiles necessitates a knowledge of the droplet impingement characteristics of bodies of revolution. Because it is possible to approximate many of these bodies with an ellipsoid of revolution, droplet trajectories about an ellipsoid of revolution with a fineness ratio of 5 were computed for incompressible axisymmetric air flow. From the computed droplet trajectories, the following impingement characteristics of the ellipsoid surface were obtained and are presented in terms of dimensionless parameters: (1) total rate of water impingement, (2) extent of droplet impingement zone, (3) distribution of impinging water, and (4) local rate of water impingement.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: NACA-TN-3099
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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