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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical prospecting 1 (1953), S. 0 
    ISSN: 1365-2478
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Physics
    Notes: Two geometric methods are given: one for estimating the position of mass distributions from the gravity anomalies, the other for determining the position of a thin plate of magnetized material from the magnetic anomalies. Finally a computational form of Nettleton's method for the determination of density is given.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 37 (1950), S. 380-384 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 11 (1948), S. 42-67 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary Some methods are developped to determine the position, the inclination and the magnetization of an ore body, if the anomalies of the vertical and horizontal components of the earth's magnetic field are measured. The ore body is supposed to have a figure like a thin plate. The methods lead from the caracteristics of the anomalies to the unknowns in a direct way without tryng. There are simple geometrical relations between the anomalies of both magnetic components. They are useful for controls and for correcting uncertain observations. An example from geophysical practice is discussed.
    Notes: Zusammenfassung Es werden Methoden entwickelt, um die Lage, die Neigung und die Magnetisierung eines im Untergrund verborgenen, plattenförmigen Störungskörpers aus seinen erdmagnetischen Anomalien zu bestimmen. Es handelt sich um direkte Methoden, mit danen man aus den Merkmalen der Anomalienverteilung ohne zu probieren die Unbekannten ermittelt. Zwischen den Anomalien der Horizontalintensität und der Vertikalintensität bestehen einfache matematische, geometrische Beziebungen, die man zu. Kontrollen und zur Verbesserung unsicherer Beobachtungswerte heranziehen kann. Ein Beispied aus der Praxis wird vollständig durchgerechnet.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 34 (1947), S. 213-214 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 27 (1939), S. 770-771 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Ocean dynamics 4 (1951), S. 46-51 
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary A quantitative derivation of the Coriolis acceleration on a rotating sphere is given which is considered adequate for students who have passed the final examination of a German High School. Computations are presented in a way that demonstrates the Coriolis acceleration without distracting side issues. The earth's oblateness and the horizontal guiding forces not essentially relating to the Coriolis force are not taken into account in this derivation.
    Abstract: Résumé On donne une dérivation quantitative de l'accélération de Coriolis sur un globe rotatoire. Les calculations nécessaires sont adaptées au savoir d'un bachelier et sont présentées d'une manière que l'accélération de Coriolis est démontrée sans digressions. L'aplatissement de la terre aux pôles et les forces guidantes horizontales qui n'ont pas de rapport essentiel à la nature de l'accélération de Coriolis sont laissés de côté dans cette déduction.
    Notes: Zusammenfassung Es wird eine quantitative Ableitung der Coriolisbeschleunigung auf einer rotierenden Kugel gegeben. Die Rechnungen setzen etwa die Kenntnisse eines Abiturienten voraus und sind so geführt, daß die Coriolisbeschleunigung rein in Erscheinung tritt. Erdabplattung und horizontale Führungskräfte, die mit dem Wesen der Corioliskraft nichts zu tun haben, kommen in der Ableitung nicht vor.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Ocean dynamics 4 (1951), S. 46-51 
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Summary A quantitative derivation of the Coriolis acceleration on a rotating sphere is given which is considered adequate for students who have passed the final examination of a German High School. Computations are presented in a way that demonstrates the Coriolis acceleration without distracting side issues. The earth's oblateness and the horizontal guiding forces not essentially relating to the Coriolis force are not taken into account in this derivation.
    Abstract: Résumé On donne une dérivation quantitative de l'accélération de Coriolis sur un globe rotatoire. Les calculations nécessaires sont adaptées au savoir d'un bachelier et sont présentées d'une manière que l'accélération de Coriolis est démontrée sans digressions. L'aplatissement de la terre aux pôles et les forces guidantes horizontales qui n'ont pas de rapport essentiel à la nature de l'accélération de Coriolis sont laissés de côté dans cette déduction.
    Notes: Zusammenfassung Es wird eine quantitative Ableitung der Coriolisbeschleunigung auf einer rotierenden Kugel gegeben. Die Rechnungen setzen etwa die Kenntnisse eines Abiturienten voraus und sind so geführt, daß die Coriolisbeschleunigung rein in Erscheinung tritt. Erdabplattung und horizontale Führungskräfte, die mit dem Wesen der Corioliskraft nichts zu tun haben, kommen in der Ableitung nicht vor.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1995 (1995), S. 461-466 
    ISSN: 0947-3440
    Keywords: Glycosides ; Flavones ; Vitexin ; Isovitexin ; Isoembigenin ; Carbohydrates ; Trichloroacetimidates ; Fries rearrangement ; Baker-Venkataraman rearrangement ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 2-Hydroxy-4,6-dimethoxyacetophenone (4) was glycosylated with O-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl) trichloroacetimidate (5) and trimethylsilyl triflate as promoter to yield directly the C-glycoside 6. Construction of the flavone system by application of a Baker-Venkataraman-type rearrangement followed by deprotection yielded isoembigenin (2). Glycosylation of 4,6-bis(tert-butyldimethylsilyloxy)-2-hydroxyacetophenone (17) with the trichloroacetimidate 5 afforded the O-glycoside intermediate 18 which was converted via Fries rearrangement into the C-glycoside 21. Applying again the Baker-Venkataraman rearrangement and cyclization gave isovitexin and vitexin derivatives 25 and 26, which were completely deprotected to yield isovitexin (1b) and vitexin (1a), respectively.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 45 (1906), S. 632-638 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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