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  • Wiley-Blackwell  (2)
  • 1975-1979  (2)
  • 1977  (2)
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Publisher
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  • 1975-1979  (2)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 11 (1977), S. 1845-1863 
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The paper describes a numerical method for determining the stress distribution in the interior of a three-dimensional body using experimentally determined surface stresses, and the interior displacements from surface displacements. The normal and shear stresses inside the body are obtained by solving Laplace's equation in terms of sum of normal stresses together with the three-dimensional compatibility equations in terms of stresses, using the finite difference technique, when the stresses on the surface of the body are known. On the other hand if surface displacements are known (from which strain components could be determined) then displacement components in the interior of a body can be determined by solving Laplace's equation in terms of sum of normal strains together with the three-dimensional equilibrium equations in terms of displacements. It is shown that axi-symmetric problems can also be solved in an identical way by transforming the equations into cylindrical co-ordinates. The application of the method has been illustrated through several examples.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 432 (1977), S. 187-192 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Contributions to the Chemistry of Transition Metal Alkyl Compounds. XXIII. Phosphine Complexes of Benzyl Compounds of Nickel, Cobalt, and IronThe benzyl compound BzNi(acac) · PPh3 · 2 O(C2H5)2 could be obtained from Ni(acac)2, Bz3Al, and PPh3 in diethyl ether as a solvent. Using PBz3 and P(C6H11)3 complexes of the type BzNi(acac) · PR3 are formed. In a similar way Co(acac)3 and Fe(acac)3 react to BzCo(acac)2 · 2 PPh3, BzCo · 2 PPh3 · 2 O(C2H5)2 and BzFe · 3 PPh3 · 2 O(C2H5)2 (acacH = acetylacetone; Bz = C6H5CH2).
    Notes: Aus Ni(acac)2, Bz3Al und PPh3 konnte in Diäthyläther als Lösungsmittel die Benzylverbindung BzNi(acac) · PPh3 · 2 O(C2H5)2 gewonnen werden. Bei Verwendung von PBz3 und P(C6H11)3 entstehen Komplexe des Typs BzNi(acac) · PR3. Auf ähnliche Weise wurden aus Co(acac)3 und Fe(acac)3 die Komplexe BzCo(acac)2 · 2 PPh3, BzCo · 2 PPh3 · 2 O(C2H5)2 und BzFe · 3 PPh3 · 2 O(C2H5)2 erhalten (acacH = Acetylaceton; Bz = C6H5CH2).
    Type of Medium: Electronic Resource
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