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  • Seismology  (21)
  • ddc:551.7  (15)
  • Temperatur  (9)
  • 42.75
  • Fluid Mechanics and Thermodynamics
  • 1950-1954  (53)
  • 1953  (21)
  • 1951  (32)
  • 1
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    Progress report, Seismological Laboratory, California Institute of Technology, 1952 (1953)
    In:  Trans. Am. Geophys. Union, Beijing, Pergamon, vol. 34, no. 3-4, pp. 785-791, pp. 1246
    Details
    Publication Date: 1953
    Keywords: Seismology ; Project report/description ; EOS
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Larger shocks of 1951 (1953)
    California Institute of Technology Pasadena
    In:  Seismological Laboratory Bulletin, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 1951, no. 6, pp. 95, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1953
    Keywords: Earthquake catalog ; Seismology ; Seismicity
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Wave velocities at depths between 50 and 600 kilometers (1953)
    In:  Bull. Seism. Soc. Am., Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 43, no. 6, pp. 223-232, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1953
    Keywords: Velocity analysis ; Seismology ; Earth model, also for more shallow analyses ! ; BSSA
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Results from teleseismic records of the 1952 Kern County California, shocks (1953)
    In:  Bull. Geol. Soc. Am., Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 64, no. 6, pp. 1525, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1953
    Keywords: Seismology ; Seismometer ; Teleseismic events ; Earthquake
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
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    Larger shocks of 1952 (1953)
    California Institute of Technology Pasadena
    In:  Seismological Laboratory Bulletin, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 1952, no. 6, pp. 104, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1953
    Keywords: Earthquake catalog ; Seismology ; Seismicity
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    BIBLIOGRAPHY SEISMOLOGY
  • 6
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    Microseisms, microbaroms, storms and waves in western North America (1953)
    In:  Trans., Am. Geophys. Union, Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 34, no. 6, pp. 161-173, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1953
    Keywords: Micro seismicity ; Waves ; Seismology ; Meteorology ; NOISE ; EOS
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    BIBLIOGRAPHY SEISMOLOGY
  • 7
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    Some general features of low-velocity layers (1953)
    In:  Bull. Geol. Soc. Am., Los Angeles California, 1 p., California Institute of Technology Pasadena, vol. 64, no. 6, pp. 1525, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1953
    Keywords: Low velocity layer ; Velocity analysis ; Seismology
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    BIBLIOGRAPHY SEISMOLOGY
  • 8
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    Über den Einfluß von Temperatur und Futterpflanze auf die Entwicklung von Hyphantria cunea (1953)
    In:  Nachrichtenblatt des deutschen Pflanzenschutzdienstes 5, Nr.10; p.145-150
    Details
    Publication Date: 1953
    Description: Der Autor untersuchte die für das Auftreten des weißen Bärenspinners günstigen Temperaturen im ehemaligen Jugoslawien (Palic, Vojvodina) und Österreich (Burgenland) und identifizierte die Temperaturen von Mai bis August als wichtige Einflußfaktoren auf die Entwicklungszeit des Falters. Hierdurch konnten Temperaturen identifiziert werden bei denen eine, zwei oder sogar drei Generationen im Jahresverlauf vorkommen können. Sobald die Temperaturen 14-15°C überschreiten, kann die Entwicklung der ersten Generation beginnen. Die gewonnenen Erkenntnisse wurden dazu eingesetzt, um das Ausbreitungspotential des Schmetterlings aufgrund klimatischer Parameter nach Mitteleuropa abzuschätzen. KATASTER-BESCHREIBUNG: KATASTER-DETAIL:
    Keywords: Jugoslawien, Österreich, Deutschland ; 1946-1952 ; Pflanzenschädling ; Temperatur
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    BIBLIOGRAPHY INKA BB
  • 9
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    Beiträge zur Epidemiologie und Prognose des Rapserdflohs (Psylloides crysocephala L.) (1953)
    In:  Beiträge zur Entomologie, Band 3, p. 518-529
    Details
    Publication Date: 1953
    Description: Untersuchungen zum Ausbleiben des erwarteten starken Befalls im Herbst 1952 und Vergleich mit bereits veröffentlichten Erkenntnissen zum Massenwechsel des Rapserdflohs; KATASTER-BESCHREIBUNG: Abhängigkeit des Massenwechsels des Rapserdflohs von der Witterung (Temperatur) KATASTER-DETAIL: Delta T -: Delta T (August, September) -, dann Zuwanderung der Rapserdflöhe -;
    Keywords: Sachsen-Anhalt ; 1951-1953 ; Pflanzenschädling ; Temperatur ; Witterung ; Raps
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  • 10
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    Klimaschäden. Betriebswirtschaftliche Betrachtungen aus dem mitteldeutschen Raum (1953)
    In:  Gesunde Pflanzen 5: 261-263
    Details
    Publication Date: 1953
    Description: Beschreibung der Auswirkungen von Spätfrösten auf den Ertrag von verschiedenen frostempfindlichen Kulturpflanzen (Winter-Gerste, Erbsen, Kartoffeln) KATASTER-BESCHREIBUNG: Einfluss der Witterung (Temperatur, Niederschlag) auf den Ertrag KATASTER-DETAIL: Delta T (April) + und Delta T (Mai) - (Spätfröste), dann Ertrag (Erbsen) --; Delta T (April) + und Delta T (Mai) - (Spätfröste), dann Erntezeitpunkt (Kartoffeln) + (später);
    Keywords: Mitteldeutschland ; 1952 ; Kartoffeln ; Anbautermine ; Boden ; Ertrag ; Niederschlag ; Temperatur ; Wachstum ; Wassermangel ; Witterung ; Frost ; Gerste ; Erbsen
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    BIBLIOGRAPHY INKA BB
  • 11
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    Studien über die Bedeutung von Witterung und Mikroklima für den Massenwechsel der Schwarzen Bohnenlaus (Doralis fabae Scop.) (1953)
    In:  Angew. Meteorol., p. 257-275
    Details
    Publication Date: 1953
    Description: Beobachtungen zu den wichtigsten Massenwechselphasen, welche phänologisch mit Hilfe der Temperatursummenregel ausgewertet wurden sowie Beobachtungen zum Einfluss des Mikroklimas auf die Flugphase KATASTER-BESCHREIBUNG: Zusammenhang zwischen den wichtigsten Massenwechselperioden und der Temperatur, angegeben mit der mittleren Temperatursumme ab dem Eintritt des Vorfrühlings (Schneeglöckchenblüte); Einfluss von flugbegrenzenden Faktoren (Licht, Wind, Niederschlag) und flugbeeinflussenden Faktoren (Temperatur, Luftfeuchtigkeit) KATASTER-DETAIL: Temperatursumme = 160°C, dann Schlüpfen der ersten Fundatrixlarven; Temperatursumme = 360°C, dann Eintreten erster reifer Fundatrizen; Temperatursumme = 600°C, dann Reife der ersten fundatrigenen Fliegen und Anfang des fundatrigenen Zufluges; Temperatursumme = 1000-1050°C, dann Ende des fundatrigenen Zufluges und Anfang des virginogenen Zufluges; temperatursumme = 2280-2420°C, dann Ende des virginogenen Zufluges; Delta Lichtintensität + und Windgeschwindigkeit 〈 0,6m/s und T(Blattoberfläche ) 〉= 17°C, bzw. T (Luft) 〉= 15-16°C und Delta Nied -, dann Abflug +; Delta T +, dann Ablfug +, T 〉 20-26°C, dann Abflug -; Relf = 60%, dann optimaler Bereich für Abflug;
    Keywords: Quedlinburg, Thüringen ; 1949-1952 ; Luftfeuchte ; Klima ; Korrelationsmethode ; Niederschlag ; Pflanzenschädling ; Phänologie ; Temperatur ; Wind ; Witterung
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    BIBLIOGRAPHY INKA BB
  • 12
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    Die Abhängigkeit der Aktivität des Kohlgallenrüsslers (Ceutorrhynchus pleurostigma March.) von klimatischen Faktoren (1953)
    In:  Nachrichtenblatt für den deutschen Pflanzenschutzdienst, p. 143-148
    Details
    Publication Date: 1953
    Description: Bericht über die Untersuchungen zur Frage der Abhängigkeit der Imagines von klimatischen Faktoren KATASTER-BESCHREIBUNG: Einfluss der Witterung (Temperatur, Wind, Sonnenscheindauer, Luftfeuchte) auf die Flugaktivität KATASTER-DETAIL: Delta T +: T= 18°C, dann Höchstwert an geschlüpften und geschlechtsreifen Käfern; T 〉 18°C oder T 〈 18°C, dann Zahl an geschlüpften und geschlechtsreifen Käfern -; Delta Sonn +, dann Flugaktivität +; T = 23°C und Relf = 70%, dann Optimum der Flugaktivität; T = 13°C, dann Flugaktivität verhindert Delta Wind +: Wind 〉 1m/s, dann Flugaktivität vermindert, Wind 〉 2m/s, dann Flugaktivität stark gehemmt
    Keywords: Sachsen-Anhalt ; 1951-1952 ; Insekten ; Luftfeuchte ; Korrelationsmethode ; Niederschlag ; Pflanzenschädling ; Temperatur ; Wind ; Witterung ; Sonnenscheindauer
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  • 13
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    Geophysical and geological observations in the Pacific area and tectonic hypotheses (1953)
    Pacific Science Association
    In:  7th Congress Proceedings New Zealand (1949), vol. 2, Wellington, Pacific Science Association, vol. 10, no. GL-TR-89-0230, pp. 7-9, (ISBN 3-933346-037)
    Details
    Publication Date: 1953
    Keywords: Tectonics ; Seismology ; Geol. aspects
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    BIBLIOGRAPHY SEISMOLOGY
  • 14
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    Travel times of longitudinal waves from surface foci (1953)
    Nat. Acad. Sci.
    In:  Proceedings, vol. 39, Washington, Nat. Acad. Sci., vol. 10, no. GL-TR-89-0230, pp. 849-853, (ISBN 3-933346-037)
    Details
    Publication Date: 1953
    Keywords: Travel time ; Seismology ; P-waves
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    BIBLIOGRAPHY SEISMOLOGY
  • 15
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    The Condensation Line of Air and the Heats of Vaporization of Oxygen and Nitrogen (1953)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The condensation pressure of air was determined over the range of temperature from 60 to 85 K. The experimental results were slightly higher than the calculated values based on the ideal solution law. Heat of vaporization of oxygen was determined at four temperatures ranging from about 68 to 91 K and of nitrogen similarly at four temperatures ranging from 62 to 78 K.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: NACA-TN-2969
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    NASA TECHNICAL REPORTS
  • 16
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    An Analytical Study of Heat Requirements for Icing Protection of Radomes (1953)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The heat requirements for the icing protection of two radome configurations have been studied over a range of design icing conditions. Both the protection limits of a typical thermal protection system and the relative effects of the various icing variables have been determined. For full evaporation of all impinging water, an effective heat density of 14 watts per square inch was required. When a combination of the evaporation and running wet surface systems was employed, a heat requirement of 5 watts per square inch provided protection at severe icing and operating conditions.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: NACA-RM-E53A22
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    NASA TECHNICAL REPORTS
  • 17
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    Impingement of water droplets on NACA 65(1)-208 and 65(1)-212 airfoils at 4 degrees angle of attack (1953)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The trajectories of droplets in the air flowing past NACA 65(1)-208 airfoil and an NACA 65(1)-212 airfoil, both at an angle of attack of 4 degrees, were determined. The amount of water in droplet form impinging on the airfoils, the area of droplet impingement, and the rate of droplet impingement per unit area on the airfoil surface affected were calculated from the trajectories and are presented. The amount, extent, and rate of impingement of the NACA 65(1)-208 airfoil are compared with the results for the NACA 65(1)1-212 airfoil. Under similar conditions of operation, the NACA 65(1)-208 airfoil collects less water than the NACA 65(1)-212 airfoil. The extent of impingement on the upper surface of the NACA 65(1)-208 airfoil is much less than on the upper surface of the NACA 65(1)-212 airfoil, but on the lower surface the extents of impingement are about the same.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: NACA-TN-2952
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    NASA TECHNICAL REPORTS
  • 18
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    Notes on the Prediction of Shock-induced Boundary-layer Separation (1953)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: The present status of available information relative to the prediction of shock-induced boundary-layer separation is discussed. Experimental results showing the effects of Reynolds number and Mach number on the separation of both laminar and turbulent boundary layer are given and compared with available methods for predicting separation. The flow phenomena associated with separation caused by forward-facing steps, wedges, and incident shock waves are discussed. Applications of the flat-plate data to problems of separation on spoilers, diffusers, and scoop inlets are indicated for turbulent boundary layers.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: NACA-RM-L53I16a
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    NASA TECHNICAL REPORTS
  • 19
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    Über die Benennung einiger Unterabteilungen des Pleistozäns (1953)
    Geozon Science Media
    Details
    Publication Date: 2022-08-04
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 20
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    Die Untersuchung der paläolithischen Freilandstation von Salzgitter-Lebenstedt (1953)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 21
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    Gesetzmäßigkeiten im Feinaufbau von Talrandlößen mit Bemerkungen über die Entstehung des Lößes (1953)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: In der Nachbarschaft von Flüssen und größeren Bächen nimmt der Löß sehr häufig eine sandige Beschaffenheit an, in vielen Gebieten ist sogar die Sandkomponente in Form von verschieden starken Schichten (Sandbänder) eingeschaltet. Die vorliegende Arbeit beschäftigt sich in der Hauptsache mit der Lagerung der Sandbänder im vertikalen Profil und mit den Veränderungen in horizontaler Richtung. Auf Grund der allgemeinen Ausbildung und der Körnungsunterschiede des Lößes konnten westlich Königgrätz 4 Faziesbereiche unterschieden werden und zwar die Flugsand-, Bänder-, Übergangs- und Normalfazies. Die 4 Fazieszonen folgen von O nach W aufeinander. Die speziellen Untersuchungen an den Sandbändern führten zu folgenden Ergebnissen: 1. Die Abnahme des prozentualen Anteils der Gesamtmächtigkeit der Sandbänder am Löß erfolgt linear mit dem Logarithmus der Entfernung vom Auswehungsgebiet. 2. Die durchschnittliche Anzahl der Sandbänder je Meter Löß ändert sich mit der Zunahme der Entfernung vom Ursprungsgebiet, wie im einzelnen aus Abb. 10 hervorgeht. 3. Neben der Gesamtmächtigkeit und der Anzahl der Sandbänder wurde auch die Häufigkeit der verschiedenen Mächtigkeitsstufen ermittelt und graphisch aufgetragen (Abb. 11). Dabei ergab sich, daß in unmittelbarer Nähe des Auswehungsgebietes neben wenigen 9 und 10 cm mächtigen Bändern die 2 und 2,5 cm starken überwiegen. In einer Entfernung von etwa 300 m vom Flußufer dominieren die 1 und 1,5 cm starken. Weiter nach W nehmen aber nach und nach die dickeren Lagen wieder zu, so daß am Ende der Sandbänderfazies die 2 und 2,5 cm starken die häufigsten sind. Aus den mitgeteilten Ergebnissen und aus zahlreichen Körnungsanalysen wird geschlossen, daß sowohl die eingelagerten Sandschichten als auch der gößte Teil des Lößes äolischen Ursprungs sind. Sandlagen und Löß wurden durch östliche Winde aus dem breiten Tal der Elbe ausgeweht und auf die benachbarten Höhen transportiert. Dabei gelangte der in Form von Bändern abgelagerte Sand bis zu einer Entfernung von ca. 700 m. Die Kornfeinheit des Lößes nimmt nach W hin immer mehr zu. Weitere Beobachtungen an dem Bystrice- und Cidlina-Tal im W des Untersuchungsgebietes bestätigen die Annahme von der Auswehung des Lößes und der Sandschichten aus den Tälern durch Winde aus östlicher Richtung. Daß die allgemeine Lößverbreitung auch von der Breite der Täler abhängig ist, zeigt ein Blick auf die Karte (Abb. 1).
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 22
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    Progress report, Seismological Laboratory, California Institute of Technology, 1950 (1951)
    In:  Trans. Am. Geophys. Union, Beijing, Pergamon, vol. 32, no. 3-4, pp. 749-753, pp. 1246
    Details
    Publication Date: 1951
    Keywords: Seismology ; Project report/description ; EOS
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    BIBLIOGRAPHY SEISMOLOGY
  • 23
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    Travel times from blasts in Southern California (1951)
    In:  Bull. Seism. Soc. Am., Milano, California Institute of Technology Pasadena, vol. 41, no. 6, pp. 5-12, pp. L24306, (ISBN: 0534351875, 2nd edition)
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    Publication Date: 1951
    Keywords: Travel time ; Seismology ; BSSA
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    BIBLIOGRAPHY SEISMOLOGY
  • 24
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    Earthquakes (1951)
    In:  Istanbul Teknik Üniversitesi Bülteni, Milano, California Institute of Technology Pasadena, vol. 4, no. 6, pp. 66-70, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1951
    Keywords: Seismology ; Seismicity ; Istanbul
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    BIBLIOGRAPHY SEISMOLOGY
  • 25
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    Larger shocks of 1950 (1951)
    California Institute of Technology Pasadena
    In:  Seismological Laboratory Bulletin, Milano, California Institute of Technology Pasadena, vol. 1950, no. 6, pp. 102-103, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1951
    Keywords: Earthquake catalog ; Seismology ; Seismicity
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    BIBLIOGRAPHY SEISMOLOGY
  • 26
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    Surface waves recorded by a Benioff vectorial seismograph (1951)
    In:  Bull. Geol. Soc. Am., Milano, California Institute of Technology Pasadena, vol. 62, no. 6, pp. 1527, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1951
    Keywords: Surface waves ; Seismology ; Seismometer
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    BIBLIOGRAPHY SEISMOLOGY
  • 27
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    PKKP, P'P', and the earth's core (1951)
    In:  Trans., Am. Geophys. Union, Milano, California Institute of Technology Pasadena, vol. 32, no. 6, pp. 373-390, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1951
    Keywords: Waves ; earth Core ; Seismology ; P-waves ; EOS
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    BIBLIOGRAPHY SEISMOLOGY
  • 28
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    Revised travel times in Southern California (1951)
    In:  Bull. Seism. Soc. Am., Milano, California Institute of Technology Pasadena, vol. 41, no. 6, pp. 143-164, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Details
    Publication Date: 1951
    Keywords: Travel time ; Seismology ; BSSA
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    BIBLIOGRAPHY SEISMOLOGY
  • 29
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    Earthquakes and rock creep, part 1 (1951)
    In:  Bull. Seism. Soc. Am., Beijing, Pergamon, vol. 41, no. 3-4, pp. 184-190, pp. 1246
    Details
    Publication Date: 1951
    Keywords: Fracture ; Rock mechanics ; Rheology ; Seismology ; BSSA
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    BIBLIOGRAPHY SEISMOLOGY
  • 30
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    Evidence from deep-focus earthquakes (1951)
    Dover Publ.
    In:  Professional Paper, Internal constitution of the earth - Physic of the earth, Dover, 439 pp., Dover Publ., vol. 7, no. XI:, pp. 305-313, (ISBN: 3-540-23712-7)
    Details
    Publication Date: 1951
    Keywords: Seismology ; Hypocentral depth
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    BIBLIOGRAPHY SEISMOLOGY
  • 31
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    The elastic constants in the interior of the earth (1951)
    Dover Publ.
    In:  Professional Paper, Internal constitution of the earth - Physic of the earth, Dover, 439 pp., Dover Publ., vol. 7, no. XIV:, pp. 364-381, (ISBN: 3-540-23712-7)
    Details
    Publication Date: 1951
    Keywords: Elasticity ; Seismology
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    BIBLIOGRAPHY SEISMOLOGY
  • 32
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    Über das Massenauftreten des Apfelwicklers (Obstmade) im Jahre 1950 in Bayern (1951)
    In:  Ratgeber Obst-, Gartenbau, Geflügelzucht, Heft 5, p. 102-103
    Details
    Publication Date: 1951
    Description: Beschreibung der Faktoren für Lebenslauf und Massenvermehrung sowie Ratschläge zur Bekämpfung des Apfelwicklers mittels Spritzungen KATASTER-BESCHREIBUNG: Zusammenhang zwischen Entwicklung des Apfelwicklers in seinen Stadien und der Temperatur sowie der Feuchtigkeit KATASTER-DETAIL: Delta T: Tmin 〈 10°C, dann keine Entwicklung von Ei und Raupe möglich; T 〈 11°C, dann keine Entwicklung von Puppe möglich; Delta T +, dann Einbohren in den Apfel +; T〈15°C, dann kein Einbohren möglich; Tmit(Dekade)〉15°C, dann Flugbeginn; Delta Nied (Mai+Juni)-, dann Apfelwickler +
    Keywords: Bayern ; 1950 ; Pflanzenschädling ; Temperatur ; Obst
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    BIBLIOGRAPHY INKA BB
  • 33
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    Frühjahrstemperaturen und Apfelblütenstecherbekämpfung (1951)
    In:  Neue Mitt. Landwirtsch. 6, Nr.9; p.139-140
    Details
    Publication Date: 1951
    Description: Der Autor entwickelt ein Temperatursummenmodell zur Vorhersage der Kopula des Apfelblütenstechers. KATASTER-BESCHREIBUNG: Temperatursummenmodell zur Vorhersage der Kopula des Apfelblütenstechers KATASTER-DETAIL: Kopula tritt ab einer Temperatursumme (aufsummierte Stundenwerte) von 900-1000°C bei einer Basis von 8°C auf.
    Keywords: Hessen, Dippelshof ; 1948-1950 ; Apfel ; Pflanzenschädling ; Temperatur
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    BIBLIOGRAPHY INKA BB
  • 34
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    Was wissen wir von der Blattfleckenkrankheit der Rübe (Cercospora beticola Sacc.) (1951)
    In:  Neue Mitt. Landwirtsch., p. 395-396
    Details
    Publication Date: 1951
    Description: Verbale Beschreibung des bisherigen Wissens über die Blattfleckenkrankheit und deren Erreger KATASTER-BESCHREIBUNG: Zusammenhang zwischen Witterung (Temperatur, Luftfeuchte) und dem Auftreten der Krankheit KATASTER-DETAIL: Delta T (Sommer) + und Delta Nied (Sommer) +, dann Auftreten von Cercospora +; Delta Relf +, dann Anzahl und Größe der Konidien +; Relf 〉 98%, dann Keimung der Konidien; Delta T: 20°C 〈 T 〈 30°C, dann schnellste Keimung der Konidien; 25°C 〈 T 〈 30°C, dann optimales Wachstum des Myzels; °C 〉 T 〈 40°C, dann kein Wachstum des Myzels
    Keywords: Deutschland ; 1950 ; Zuckerrüben ; Pflanzenkrankheit ; Temperatur ; Witterung
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    BIBLIOGRAPHY INKA BB
  • 35
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    Witterungsfaktoren als Urheber der Massenvermehrung des Rübenderbrüßlers (Bothynoderes punctioventris) 1947-1949 in Mitteldeutschland (1951)
    In:  Zeitschrift für angewandte Entomologie, p.567-575
    Details
    Publication Date: 1951
    Description: Beobachtungen zum Massenauftreten des Rübenderbrüßlers in Abhängigkeit von der vorherrschenden Witterung KATASTER-BESCHREIBUNG: Zusammenhang zwischen der Witterung (Bodentemperatur und Bodenfeuchte) und dem Massenauftreten des Käfers KATASTER-DETAIL: Delta Nied (Sommer) +, dann Mortalität +; Delta T (Sommer des Vorjahres) + und Delta Nied (Sommer des Vorjahres) - sowie Delta T ( Frühjahr des Schadjahres) +, dann Massenauftreten des Käfers +; Delta T: Tmit (Boden) 〉 10°C, Auskriechen der Käfer aus dem Boden
    Keywords: Mitteldeutschland ; 1947-1949 ; Insekten ; Zuckerrüben ; Boden ; Landwirtschaft ; Niederschlag ; Pflanzenschädling ; Temperatur ; Trockenheit ; Witterung
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    BIBLIOGRAPHY INKA BB
  • 36
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    Observations and theory of microseisms (1951)
    Am. Meteor. Soc.
    In:  Professional Paper, Compendium of Meteorology, Dover, 439 pp., Am. Meteor. Soc., vol. 7, no. XVI:, pp. 1303-1311, (ISBN: 3-540-23712-7)
    Details
    Publication Date: 1951
    Keywords: Micro seismicity ; Seismology ; NOISE
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    BIBLIOGRAPHY SEISMOLOGY
  • 37
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    Earthquakes in North America (1951)
    Smithsonian Institute
    In:  Ann. Rep. 1950, Toronto, Smithsonian Institute, vol. 10, no. GL-TR-89-0230, pp. 303-316, (ISBN 3-933346-037)
    Details
    Publication Date: 1951
    Keywords: Seismology ; Seismicity
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    BIBLIOGRAPHY SEISMOLOGY
  • 38
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    Calculations of Laminar Heat Transfer Around Cylinders of Arbitrary Cross Section and Transpiration-Cooled Walls with Application to Turbine Blade Cooling (1951)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An approximate method for development of flow and thermal boundary layers in laminar regime on cylinders with arbitrary cross section and transpiration-cooled walls is obtained by use of Karman's integrated momentum equation and an analogous heat-flow equation. Incompressible flow with constant property values throughout boundary layer is assumed. Shape parameters for approximated velocity and temperature profiles and functions necessary for solution of boundary-layer equations are presented as charts, reducing calculations to a minimum. The method is applied to determine local heat-transfer coefficients and surface temperature-cooled turbine blades for a given flow rate. Coolant flow distributions necessary for maintaining uniform blade temperatures are also determined.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: NACA-RM-E51F22
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 39
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    Spark Ignition of Flowing Gases. 2: Effect of Electrode Parameters on Energy Required to Ignite a Propane-Air Mixture (1951)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Research was conducted to determine the effect of the electrode parameters of spacing, configuration, and material' on the energy required for ignition of a flowing propane-air mixture. In addition, the data were used to indicate the energy distribution along the spark length and to confirm previous observations concerning the effect of spark duration on ignition energy requirements. The data were obtained with a mixture at a fuel-air ratio of 0.0835 (by weight), a pressure of 3 inches of mercury absolute, a temperature of 80 F, and a mixture velocity of 5 feet per second. Results showed that the energy required for ignition decreased as the electrode spacing was increased; a minimum energy occurred at. a spacing of 0.65 inch for large electrodes. For small electrodes, the spacing for minimum energy was not sharply defined. Small-diameter electrodes required less energy than large-diameter electrodes if the spacing was less than the optimum distance of 0.65 inch; at a spacing equal to the optimum distance, no difference was noted. Significant effects of electrode material on ignition energy were ascribed to differences in the type of spark discharges produced; glow discharges required higher energy than the arc-glow discharges. With pure glow discharges, the ignition energy was substantially constant for lead, cadmium, brass, aluminum, and tungsten electrodes. A method is described for determining the energy distribution along a glow discharge. It was found that one-third to one-half of the energy in the spark was concentrated in a small region near the cathode electrode, and the remainder was uniformly distributed across the spark gap. It was impossible to ascertain the dependence of ignition on. this distribution. It was also observed that long-duration (600 microsec) sparks required much less energy for ignition than did short-duration (1 microsec) sparks.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: NACA-RM-E51J12 , E-2394
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 40
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    Investigation of Surge Characteristics of XJ34-WE-32 Turbojet Engine (1951)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Surge characteristics of the XJ34-WE-32 turbojet engine were determined over a range of altitudes. Several typical oscillograph traces during which surge occurred are presented. The effect of altitude on the surge line and it's relation to the steady-state operating region are shown.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: NACA-RME51J02
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    NASA TECHNICAL REPORTS
  • 41
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    Boundary Layer Effect on the Surface Pressure of an Infinite Cone in Supersonic Flow (1951)
    In:  CASI
    Details
    Publication Date: 2019-08-26
    Description: The theory of Taylor and Maccoll (Ref,1) gives the surface pressure on an infinite cone in supersonic flow as a function of the cone vertex angle and the free stream Mach number and static pressure for a gas of vanishing viscosity. When a slender conical probe is used together with an impact pressure probe to determine the static pressure and Mach number in a low density gas stream, it is desirable to have some theoretical estimate of the effect of viscous boundary layer on the probe readings. Theoretical and experimental results with respect to impact probes have been presented in Refs. 5 and 6. A simple approximation for a conical probe based on linearized supersonic flow and compressible boundary layer theory is presented here.
    Keywords: Fluid Mechanics and Thermodynamics
    Type: HE-150-80
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    NASA TECHNICAL REPORTS
  • 42
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    Australopithecus oder Plesianthropus oder Paranthropus? (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-02
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 43
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    Das Interglazial von Wallensen im Hils (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-02
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 44
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    Begriffe in der Quartärforschung (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-02
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 45
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    Die stratigraphische Bewertung periglazialer Umlagerungen in Niedersachsen (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 46
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    Die geologische und archäologische Stellung des altpaläolithischen Fundplatzes Markkleeberg bei Leipzig (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 47
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    Über den morphologischen Nachweis großer Schwankungen des Eisrandes (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 48
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    Quartärforschung: Einleitende Worte (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 49
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    Plio-Pleistozängrenze und Günzeiszeit in Nordwestdeutschland (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 50
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    Untersuchungen an nordwestdeutschen Interglazialen (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 51
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    Die Klimazonen des Eiszeitalters (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 52
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    Die nördliche Lößgrenze in Mitteleuropa und das spätglaziale Klima (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 53
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    Über die Gliederung des Eiszeitalters (1951)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
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