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  • 1
    Unknown
    Cambridge : Cambridge Univ. Press
    Keywords: Risiko ; Psychologie ; Risikoverhalten
    Pages: Online-Ressource (XIV, 368 S.) , graph. Darst.
    Edition: 2. ed.
    Edition: Online-Ausg. 2014
    ISBN: 9781139061933 (ebook) , 9781107017016 (print; hardback) , 9781107602700 (print; paperback)
    Language: English
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  • 2
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/26
    In: CRREL Report, 80-26
    Description / Table of Contents: A vital concern to the survivability of hardened underground structures in rock is the relative displacement induced along geologic discontinuities by nearby explosions. Such displacement, commonly termed block motion, can occur along faults, joints, bedding planes and other structural weaknesses in rock. This report documents all occurrences of block motion observed during the development of DIHEST, a series of shallow-buried high explosive experiments designed to simulate the direct induced ground motions from a nuclear surface burst. Instances of block motion are described, along with pertinent details of the explosive arrays, geology and ground motion fields. The influence of these and other factors on the direction and magnitude of block motion is discussed.
    Type of Medium: Series available for loan
    Pages: vi, 62 Seiten , Illustrationen
    Series Statement: CRREL Report 80-26
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction STARMET Test description Test results PLANEWAVE II Test description Test results DATEX II Test description Test results HANDEC II Test description Test results ROCKTEST II Test description Test results Summary and discussion Literature cited
    Location: AWI Archive
    Branch Library: AWI Library
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  • 3
    Call number: ZSP-201-80/25
    In: CRREL Report, 80-25
    Description / Table of Contents: Two new types of load cells for attachment to bridge piers and direct measurement of ice forces were developed and tested with one type being installed on a pier of the Yukon River Bridge northwest of Fairbanks, Alaska. Both types of load cells used beams supported by base plates and carried nose plates that were loaded by the ice. The loads were imposed at the beams at locations differing from the support reactions so that the loads developed moments in the beams. By instrumenting them with strain gauges, the loads could be measured. Details of the design of the load cells, the means of calculating the loads and experience obtained with load cells are discussed.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 80-25
    Language: English
    Note: CONTENTS Preface Conversion factors Introduction Estimates and field measurements of ice forces on structures General Indirect estimates Direct measurements Small-scale and laboratory studies Instrumentation plan for measuring ice loads on the Yukon River Bridge Load cell development The single reaction beam system Performance of a single reaction beam load cell The double reation beam load cell Reaction beam design Stress in the beam Deflection Axial tensile stress in the reaction beam Measurement techniques Conclusions Literature cited Appendix A. Finding load magnitude and location with a single reaction beam device Appendix B. Finding load magnitude and location on a double reaction beam device
    Location: AWI Archive
    Branch Library: AWI Library
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  • 4
    Call number: ZSP-201-80/24
    In: CRREL Report, 80-24
    Description / Table of Contents: The fluid shear stress applied to the underside of a simulated floating ice cover was measured in a laboratory flume. The measured values were compared with values of the shear stress computed from the von Karman-Prandtl velocity distribution fitted to the velocity profiles measured beneath the cover. For the lower velocity runs (approx 0.079 m/s) the measured and computed values of the shear stress were in close agreement. At the high velocity flows (approx 0.137 m/s) the measured values were roughly one-half those calculated from the velocity distribution. As the underside of the cover became increasingly rougher, the position of maximum velocity moved closer to the bottom of the channel. It was shown that the Darcy friction coefficient is exponentially related to a normalized ice cover thickness, which suggests that it is measure of the roughness of a fragmented ice cover.
    Type of Medium: Series available for loan
    Pages: iv, 11 Seiten , Illustrationen
    Series Statement: CRREL Report 80-24
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Experimental apparatus Experimental procedures Analysis of forces Experimental results Analysis of data Conclusions Literature cited
    Location: AWI Archive
    Branch Library: AWI Library
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  • 5
    Call number: ZSP-201-80/23
    In: CRREL Report, 80-23
    Description / Table of Contents: The contribution of brine layers to observed reflective anisotropy of sea ice at 100 MHz is quantitatively assessed. The sea ice is considered to be a stratified, inhomogeneous, anisotropic dielectric consisting of pure ice containing ordered arrays of conducting inclusions (brine layers). Below the transition zone, the ice is assumed to have constant azimuthal c-axis orientation within the horizontal plane, so that the orientation of brine layers is uniform. The brine layers are also assumed to become increasingly well-defined with depth, since adjacent brine inclusions tend to fuse together with increasing temperature. A theoretical explanation for observed reflective anisotropy is proposed in terms of an isotropic electric flux penetration into the brine layers. Penetration anisotropy and brine layer geometry are linked to anisotropy in the complex dielectric constant of sea ice. In order to illustrate the above effects we present a numerical method of approximating the reflected power of a plane wave pulse incident on a slab of sea ice. Mixture dielectric constants are calculated for two polarizations of the incident wave: 1) the electric field parallel to the c-axis direction, and 2) the electric field perpendicular to the c-axis direction. These dielectric constants are then used to calculate power reflection coefficients for the two polarizations. Significant bottom reflection (R ~ 0.08) occurs when the polariza-tion is parallel to the c-axis. However, when the polarization is perpendicular to the c-axis, the return may be almost completely extinguished (R 〈 0.001). This extinction is due primarily to absorptive loss associated with the conduct-ing inclusions and secondarily to an impedance match at the ice/water interface that results in transmission of the wave to the water without reflection.
    Type of Medium: Series available for loan
    Pages: vi, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 80-23
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Anisotropy and sea ice macrostructure Anisotropy and sea ice microstructure A theory of anisotropic radar return from sea ice Anisotropic electric flux penetration into brine layers Implications of normal exclusion, tangential penetration, and brine layer geometry for dielectric behavior of sea ice Modeling of electromagnetic reflection from a stratified, anisotropic, inhomogeneous lossy medium Calculation of mixture complex dielectric constants Calculation of interfacial power reflection coefficients Calculation of bulk power reflection coefficients Calculation of attenuated power reflection coefficients Beam spread Results Anisotropic bottom reflections Anisotropic complex dielectric constants Sensitivity of parameters Internal reflection: the bumps Discussion Conclusions Literature cited
    Location: AWI Archive
    Branch Library: AWI Library
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  • 6
    Unknown
    Bonn : Rheinwerk Verlag
    Pages: 568 Seiten , Illustrationen
    Edition: 1. Auflage
    ISBN: 9783836266758
    Series Statement: SAP PRESS
    Language: German
    Branch Library: GFZ Library
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  • 7
    Unknown
    Cambridge : Cambridge University Press
    Description / Table of Contents: A volcanic eruption occurs when a magma-filled fracture propagates from its source to the surface. Analysing and understanding the conditions that allow this to happen constitute a major part of the scientific field of volcanotectonics. This new volume introduces this cutting-edge and interdisciplinary topic in volcanological research, which incorporates principles and methods from structural geology, tectonics, volcano-deformation studies, physical volcanology, seismology, and physics. It explains and illustrates the physical processes that operate inside volcanoes and which control the frequencies, locations, durations, and sizes of volcanic eruptions. Featuring a clear theoretical framework and helpful summary descriptions of various volcanic structures and products, as well as many worked examples and exercises, this book is an ideal resource for students, researchers and practitioners seeking an understanding of the processes that give rise to volcanic deformation, earthquakes, and eruptions.
    Pages: 1 online resource (xiii, 586 pages) , digital, PDF file(s).
    ISBN: 9781139176217 , 9781107024953
    Language: English
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  • 8
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/27
    In: CRREL Report, 80-27
    Description / Table of Contents: No general, analytical solution exists for phase change around a cylinder, thus, approximate methods have been evaluated. The heat balance integral technique applied to the cylinder gave excellent results when compared to published numerical solutions. Graphical solutions are given for phase change about a cylinder for ranges of the Stefan number, superheat parameter, and property value ratios for typical soils. An approximate, general solution has been derived which is reasonably accurate and can be used for any values of the above-mentioned parameters. The effective thermal diffusivity method has been shown to be useful for practical problems of phase change.
    Type of Medium: Series available for loan
    Pages: v, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-27
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Zero superheat Constant phase change rate Zero sensible heat Finite sensible heat Finite superheat Quasi-steady solution Heat balance integral solution Approximate methods Conclusions Literature cited
    Location: AWI Archive
    Branch Library: AWI Library
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  • 9
    Unknown
    London : Piatkus
    Keywords: Selbstmanagement ; Arbeit
    Pages: 296 Seiten
    ISBN: 9780349411903 , 0349411905
    Language: English
    Branch Library: GFZ Library
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  • 10
    Unknown
    Wiesbaden : Springer Gabler
    Keywords: Informationsmanagement
    Description / Table of Contents: Informationsmanagement hat die Aufgabe, den im Hinblick auf das Unternehmensziel bestmöglichen Einsatz der Ressource Information zu gewährleisten. Dieses Buch vermittelt die zentrale Einsicht, dass Informations- und Kommunikationstechniken nicht nur Rationalisierungsmöglichkeiten eröffnen, sondern vor allem Gestaltungsmöglichkeiten für Organisationen und neue Geschäftsmodelle bieten. Somit kann der Leser die unternehmerische und gesellschaftliche Bedeutung von Information sowie die Potenziale informationsverarbeitender Systeme einschätzen. Hierzu erhält er einen fundierten Einblick in die Systeme, die Informationen verarbeiten, speichern und übertragen, aber auch in die Techniken, auf denen sie beruhen. Darüber hinaus werden dem Leser auch die Führungsaufgaben des Informationsmanagements verständlich gemacht. Neben den theoretischen Grundlagen vermittelt dieses Buch konkretes Methodenwissen und richtet sich somit an Studierende wie Praktiker. Unterstützung leistet eine an die Struktur des Buches angelehnte Übungsfallstudie. Der Inhalt -  Aufgaben des Informationsmanagement -  Informationsnachfrage und Informationsangebot -  Management von Daten, Prozessen, Anwendungslebenszyklus und Anwendungslandschaften -  Management von IKT-Systemen -  Führungsaufgaben des Informationsmanagement (IT Strategie, IT Governance, IT Controlling, etc.) -  Referenzmodelle des Informationsmanagement -  Einsatzfelder und Herausforderungen des Informationsmanagement (eBusiness, Supply Chain Management, Wissensmanagement, etc.) Der Autor Univ.-Prof. Dr. Helmut Krcmar ist Inhaber des Lehrstuhls für Wirtschaftsinformatik an der Fakultät für Informatik der Technischen Universität München
    Pages: Online Ressource (793 S.)
    Edition: 6., überarb. Aufl.
    Edition: Online edition Springer eBook Collection. Business and Economics
    ISBN: 9783662458631 , 9783662458624 (print)
    Language: German
    Note: VorwörterEinleitung -- Teil I: Grundlagen -- Teil II: Aufgaben des IM -- Teil III: Einsatzfelder des IM -- Verzeichnisse..
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