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  • Springer  (11)
  • Institute of Physics  (3)
  • Blackwell Publishing Ltd  (2)
  • Nature Publishing Group
  • 1975-1979  (16)
  • 1977  (10)
  • 1975  (6)
Collection
Publisher
Years
  • 1975-1979  (16)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Decision sciences 8 (1977), S. 0 
    ISSN: 1540-5915
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Alternative decision rules for aggregate production scheduling are specified here under chance-constrained sales and compared with the HMMS model. These rules are evaluated for their performance on the basis of simulated data on sales and it is found that the linear decision rules of the HMMS model can be considerably improved.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 22 (1975), S. 0 
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Grain size distributions of the suspended loads above a bed of bimodal size distribution (size range 2-00-0.04 mm) were studied in a laboratory flume at water velocities varying from 42 to 160 cm/s. With increase of velocity the phi (logarithmic) size distribution of the suspended particles (at 5-20 cm above the bed) changed from a strongly skewed to a nearly symmetrical, unimodal form (nearly lognormal) through an intermediate bimodal stage. At low velocity the skewness of the distribution changed from positive to negative with increase of height. The experiments indicate that lognormality of‘weight frequency’ distribution of grain sizes is a transitional feature, attained through size sorting within a critical range of velocity and height above a sand bed of a given composition.The observed changes in the size distribution patterns were effected by a differential rate of increase in weight in the different size classes in suspension with increase of flow velocity. The phenomenon could be explained by the equation of relative suspension concentration which relates the relative concentration of a suspended particle of a particular diameter to the flow velocity of the turbulent fluid and the height of suspension above the bed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 26 (1977), S. 298-298 
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 66 (1977), S. 175-192 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract The Singhbhum Shear Zone separates the rocks of a highly metamorphosed northern group from an unmetamorphosed southern group. It had been recognised by earlier workers as a thrust zone in which the thrust movements were achieved by slip along a pre-existing schistosity. Deformed conglomerates crop out in discontinuous bands along the Shear Zone. Strain determinations from these conglomerates have been made to ascertain the strain pattern within the Shear Zone. None of the existing methods of determining strain from stretched pebbles can be applied to these conglomerates. An approximate value for shortening perpendicular to the schistosity can however be obtained from cross-cutting buckled veins. Detailed study of various small-scale structures clearly indicates that the principal structures of this region cannot be explained simply by a slipping on the schistosity.
    Abstract: Résumé La zone de cisaillement de Singhbhum sépare les roches très métamorphiques au nord, de celles d'un groupe non-métamorphique au sud. Elle avait été reconnue lors de recherches précédentes comme étant la base de charriages suivant laquelle la poussée se serait faite par glissement le long d'une schistosité pré-existante. Des conglomérats déformés affleurent par bandes discontinues le long de cette zone. Grâce à ces conglomérats, des estimations sur la déformation ont été faites pour définir le style de déformation dans la zone de glissement. Une étude détaillée de différentes structures à petite échelle indique clairement qu'on ne peut pas expliquer les principales structures de cette région uniquement par un glissement sur la schistosité.
    Notes: Zusammenfassung Die Singhbhum-Scherzone trennt die Gesteine der stark metamorphen nördlichen Gruppe von denjenigen einer nicht metamorphen südlichen Gruppe. Nach früheren Autoren ist es eine Überschiebungszone, worin die Überschiebungsbewegungen durch das Gleiten entlang einer älteren Schieferung zustande kamen. Deformierte Trümmergesteine treten in ununterbrochenen Bändern entlang der Scherzone auf. Man hat Deformationsbestimmungen von diesen Trümmergesteinen gemacht, um das Deformationsbild in der Scherzone zu erklären. Eine ausführliche Untersuchung der verschiedenen kleinmaßstäblichen Strukturen zeigt deutlich, daß die Hauptstrukturen dieser Gegend nicht einfach durch das Gleiten auf der Schieferung erklärt werden können.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 25 (1975), S. 514-520 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The problem considered here is to study the MHD effects on the steady flow of an incompressibe viscous conducting fluid through two concentric porous non-conducting infinite circular cylinders, rotating in various ways with uniform angular velocities in presence of a radial magnetic field. It is supposed that the rate of suction at the inner cylinder is equal to the rate of injection at the outer.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 115 (1977), S. 647-654 
    ISSN: 1420-9136
    Keywords: Gravity interpretation (2d) ; Fourier transform in gravity interpretation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Fourier transforms of the theoretical gravity effect due to a two-dimensional asymmetrical triangular prism have been derived. Evaluation of the parameters from the analysis of the Fourier Spectra has been outlined.
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Pure and applied geophysics 113 (1975), S. 625-633 
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary Fourier transforms of theoretical magnetic anomalies of vertical and inclined dikes are computed. In all the cases it is shown that for a particular type of dike the amplitude spectra of horizontal and vertical components of the anomalous field remain exactly the same, whereas the phase spectra show a constant difference of π/2. The different parameters like depth to the top of the dike, width, susceptibility contrast and inclination can be calculated from the amplitude and phase spectra.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 27 (1977), S. 430-434 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The object of the present paper is to study the MHD effects on the laminar flow of a viscous, incompressible and conducting fluid in an annulus with arbitrary time-varying pressure gradient and arbitrary initial velocity in presence of a radial magnetic field. Using finite Hankel transform, solutions for both the unsteady and steady flows under different prescribed pressure gradients have been found out.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Czechoslovak journal of physics 27 (1977), S. 158-166 
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An attempt has been made here to study the MHD effects on the slow motion of a viscous, incompressible and conducting fluid between two parallel porous infinite plane walls in presence of a transverse magnetic field varying periodically with time. The problem has been investigated firstly for the case of non-conducting walls and finally for the case of conducting walls.
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  • 10
    Publication Date: 1977-09-01
    Print ISSN: 0031-9155
    Electronic ISSN: 1361-6560
    Topics: Biology , Medicine , Physics
    Published by Institute of Physics
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