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  • Other Sources  (18)
  • Seismology  (8)
  • AERODYNAMICS  (4)
  • Aeronautics (General)  (3)
  • Pflanzenkrankheit  (3)
  • Industrial Chemistry
  • Inorganic Chemistry
  • 1950-1954  (18)
  • 1954  (18)
  • 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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    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
  • 8
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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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    BIBLIOGRAPHY INKA BB
  • 9
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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
  • 10
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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
  • 11
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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
  • 12
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    List of Technical Memorandums 1947 - 1953 (1954)
    In:  CASI
    Details
    Publication Date: 2018-06-02
    Description: No abstract available
    Keywords: Aeronautics (General)
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    NASA TECHNICAL REPORTS
  • 13
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    Aerodynamic forces, moments, and stability derivatives for slender bodies of general cross section (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Keywords: AERODYNAMICS
    Type: NACA-TN-3283
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    NASA TECHNICAL REPORTS
  • 14
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    Effect of Ice Formations on Section Drag of Swept NACA 63A-009 Airfoil with Partial-Span Leading-Edge Slat for Various Modes of Thermal Ice Protection (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The effects of primary and runback ice formations on the section drag of a 36 deg swept NACA 63A-009 airfoil section with a partial-span leading-edge slat were studied over a range of angles of attack from 2 to 8 deg and airspeeds up to 260 miles per hour for icing conditions with liquid-water contents ranging from 0.39 to 1.23 grams per cubic meter and datum air temperatures from 10 to 25 F. The results with slat retracted showed that glaze-ice formations caused large and rapid increases in section drag coefficient and that the rate of change in section drag coefficient for the swept 63A-009 airfoil was about 2-1 times that for an unswept 651-212 airfoil. Removal of the primary ice formations by cyclic de-icing caused the drag to return almost to the bare-airfoil drag value. A comprehensive study of the slat icing and de-icing characteristics was prevented by limitations of the heating system and wake interference caused by the slat tracks and hot-gas supply duct to the slat. In general, the studies showed that icing on a thin swept airfoil will result in more detrimental aerodynamic characteristics than on a thick unswept airfoil.
    Keywords: AERODYNAMICS
    Type: NACA-RM-E53J30
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    NASA TECHNICAL REPORTS
  • 15
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    A flight investigation of the practical problems associated with porous-leading-edge suction (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Keywords: AERODYNAMICS
    Type: NASA-TM-79864 , NACA-TN-3062
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    NASA TECHNICAL REPORTS
  • 16
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    A theoretical study of the effect of forward speed on the free-space sound-pressure field around propellers (1954)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Keywords: AERODYNAMICS
    Type: NASA-TM-79844 , NACA-TR-1198 , NACA-TN-3018
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    NASA TECHNICAL REPORTS
  • 17
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    Effect of Rocket-Motor Operation on the Drag of Three 1/5-Scale Hermes A-3A Models in Free Flight (1954)
    In:  CASI
    Details
    Publication Date: 2019-07-11
    Description: Three 1/5-scale models of the Hermes A-3A missile have been flown to determine the effect of rocket-motor operation on the drag corresponding to various altitude and Mach number combinations. The flights covered a Mach number range from 0.5 to 1.8, and ratios of jet-exit static pressure to free-stream static pressure from 0.8 to 1.8. The results indicate that the power-on drag of the missile should be the same as the power-off drag at Mach number 1.3 and slightly less than the power-off drag at Mach number 1.55.
    Keywords: Aeronautics (General)
    Type: NACA-RM-SL54B04
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    NASA TECHNICAL REPORTS
  • 18
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    Summary of Free-Flight Zero-Lift Drag Results from Tests of 1/5-Scale Models of the Convair YF-102 and F-102A Airplanes and Several Related Small Equivalent Bodies at Mach Numbers from 0.70 to 1.46 (1954)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: One-fifth-scale rocket-propelled models of the Convair YF-102 and F-102A airplanes were tested to determine free-flight zero-lift drag coefficients through the transonic speed range at Reynolds numbers near those to be encountered by the full-scale airplane. Trim and duct characteristics were obtained along with measurements of total-, internal-, and base-drag coefficients. Additional zero-lift drag tests involved a series of small equivalent-body-of-revolution models which were launched to low supersonic speeds by means of a helium gun. The several small models tested corresponded to the following full-scale airplanes: basic, YF-102, 2-foot (full-scale) fuselage extension, F-102A, F-102A (relocated inlets), F-102A (faired nose), and F-102A (parabolic nose) . Equivalent-body models corresponding to the normal area distribution (derived for Mach number 1.0) of each of these airplane shapes were flown and, in addition, equivalent-body models designed to represent the YF-102 and F-102A airplanes at Mach number 1.2 were tested. External-drag coefficients obtained from the 115-scale tests ranged from 0.0094 to 0.0273 for the YF-102 model and from 0.0100 to 0.0255 for the F-102A model. Forebody external-pressure-drag coefficients (drag rise) at Mach number 1.05 of 0.0183 and 0.0134 were obtained from the 115-scale models of the YF-102 and F-102A, respectively, a 16-percent reduction for the F-102A model. Values of drag rise at Mach number 1.05 from the small equivalent-body tests were nearly the same for the basic, YF-102, and 2-foot-fuselage-extension airplane shapes. Equivalent-body tests of the YF-102 and F-102A shapes showed the latter to have about 25 percent less drag rise as compared with a 16-percent reduction illustrated by the 1/5-scale tests. Additional equivalent-body tests illustrating effects of modifications to the F-102A airplane shape shared that relocating the inlets on the fuselage or altering the nose shape to provide a smoother cross-sectional area progression reduced the drag rise by approximately 16 percent. Replacing a major portion of the nose of the F-102A equivalent-body model with one of parabolic shape resulted in about a 21-percent reduction in drag rise. The drag-rise data from the equivalent-body tests include base drag.
    Keywords: Aeronautics (General)
    Type: NACA-RM-SL54J25
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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