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  • 2005-2009  (222)
  • 2000-2004  (163)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Energy risk management : a primer for the utility industry (2006)
    Vienna, Va. : Public Utilities Reports
    Details Availability
    Call number: PIK P 113-07-0121
    Type of Medium: Monograph available for loan
    Pages: XXI,409 S. , graph. Darst.
    ISBN: 0910325189
    Note: Erscheinungsjahr in Vorlageform:c 2006
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Ross ice shelf (2000)
    Schweden
    Details Availability
    Call number: AWI G5-02-0107
    Type of Medium: Monograph available for loan
    Pages: S. 139-432
    Series Statement: Geografiska Annaler Series A: Physical Geography 82A, 2000
    Branch Library: AWI Library
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  • 3
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    Micromagnetic coercivity distributions and interactions in chondrules with implications for paleointensities of the early solar system (2007)
    American Geophysical Union
    Details
    Publication Date: 2017-04-04
    Description: Chondrules in chondritic meteorites record the earliest stages of formation of the solar system, potentially providing information about the magnitude of early magnetic fields and early physical and chemical conditions. Using first-order reversal curves (FORCs), we map the coercivity distributions and interactions of 32 chondrules from the Allende, Karoonda, and Bjurbole meteorites. Distinctly different distributions and interactions exist for the three meteorites. The coercivity distributions are lognormal shaped, with Bjurbole distributions being bimodal or trimodal. The highest-coercivity mode in the Bjurbole chondrules is derived from tetrataenite, which interacts strongly with the lower-coercivity grains in a manner unlike that seen in terrestrial rocks. Such strong interactions have the potential to bias paleointensity estimates. Moreover, because a significant portion of the coercivity distributions for most of the chondrules is 〈10 mT, low-coercivity magnetic overprints are common. Therefore paleointensities based on the REM method, which rely on ratios of the natural remanent magnetization (NRM) to the saturation isothermal remanent magnetization (IRM) without magnetic cleaning, will probably be biased. The paleointensity bias is found to be about an order of magnitude for most chondrules with low-coercivity overprints. Paleointensity estimates based on a method we call REMc, which uses NRM/IRM ratios after magnetic cleaning, avoid this overprinting bias. Allende chondrules, which are the most pristine and possibly record the paleofield of the early solar system, have a mean REMc paleointensity of 10.4 μT. Karoonda and Bjurbole chondrules, which have experienced some thermal alteration, have REMc paleointensities of 4.6 and 3.2 μT, respectively.
    Description: NSF and INGV
    Description: Published
    Description: B03S90
    Description: 2.2. Laboratorio di paleomagnetismo
    Description: JCR Journal
    Description: reserved
    Keywords: paleomagnetism coercivity ; paleointensity ; magnetic interactions ; meteorite ; Chondrules ; FORC diagrams ; 01. Atmosphere::01.03. Magnetosphere::01.03.01. Interplanetary physics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
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    Radiocarbon and luminescence dating of overbank deposits in outwash sediments of the last glacial maximum in North Westland, New Zealand. (2003)
    In:  EPIC3New zealand journal of geology and geophysics, 46(1), pp. 95-106
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 5
    Electronic Resource
    Electronic Resource
    Electrical effects of a single stacking fault on fully depleted thin-film silicon-on-insulator P-channel metal–oxide–semiconductor field-effect transistors (2002)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 91 (2002), S. 420-426 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Electrical effects of a single stacking fault on fully depleted thin-film silicon-on-insulator (SOI) metal–oxide–semiconductor field-effect transistors (MOSFETs) were characterized. A simple method was demonstrated for the fabrication of fully depleted thin-film SOI MOSFETs with a single stacking fault in their channel region. SOI islands were created using selective epitaxial growth/epitaxial lateral overgrowth technology. The influence of a single stacking fault on device I–V characteristics was determined and compared to that of nearby identical devices without stacking faults. Off-state leakage currents, a threshold voltage shift, and drive current lowering were observed for devices with a single stacking fault in their channel region. Based on the location of the single stacking fault relative to the device channel region, various physical models were proposed to explain the phenomena observed. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1417995
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  • 6
    Electronic Resource
    Electronic Resource
    Write-Down Timeliness, Line-of-Business Disclosures and Investors’ Interpretations of Segment Divestiture Announcements (2004)
    Oxford, UK; Malden, USA : Blackwell Publishing Ltd/Inc.
    Journal of business finance & accounting 31 (2004), S. 0 
    Details
    ISSN: 1468-5957
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Abstract:  This paper examines investors’ anticipation and subsequent interpretations of asset write-downs accompanying segment divestitures. Examining long-window returns cumulated over the two years preceding the year of divestiture, we hypothesize and find that investors anticipate write-downs of segment operating assets before divestiture and recognition occurs, with anticipation conditional on the timeliness of the write-down and prior disclosure of the segments’ operating results under segment reporting rules. Short-window returns cumulated over the three days surrounding the announcement of the divestiture confirm that investor interpretations of asset write-downs are similarly contingent on write-down timeliness and prior disclosure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0306-686X.2004.00574.x
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  • 7
    Electronic Resource
    Electronic Resource
    Unique method to electrically characterize a single stacking fault in silicon-on-insulator metal–oxide–semiconductor field-effect transistors (2000)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 77 (2000), S. 4034-4036 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A unique and simple method is demonstrated for characterizing the electrical behavior of a single stacking fault in thin-film fully depleted silicon-on-insulator (SOI) metal–oxide–semiconductor field-effect transistors (MOSFETs). SOI islands were created using selective epitaxial growth/epitaxial lateral overgrowth technology. P-channel MOSFETs, with the presence of a single stacking fault entirely in the channel region, were measured. The influence of a single stacking fault on device current–voltage characteristics was determined and compared to that of nearby identical devices without stacking faults. It was found that the threshold voltage increased and saturation current decreased, but had low subthreshold leakages. P-channel MOSFETs, with a single stacking fault crossing the gate and penetrating into the source and drain, had high subthreshold leakage currents. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1331641
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  • 8
    Electronic Resource
    Electronic Resource
    Three-dimensional modelling of a Holocene tufa system in the Lathkill Valley, north Derbyshire, using ground-penetrating radar (2000)
    Oxford UK : Blackwell Science Ltd
    Sedimentology 47 (2000), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Unlithified and partly lithified carbonate sequences are ideally suited to the application of ground-penetrating radar (GPR), augmented by percussion augering and shallow seismic techniques, all tied to present-day topography using global positioning system (GPS) methods. This methodology provides the first clear information on the distribution and geometry of lithofacies within buried tufa complexes. The approach has been applied to a thick succession of Holocene tufas filling a gorge site along a 3·5-km length of the River Lathkill, north Derbyshire. Earlier studies have demonstrated the presence of up to 16 m of tufas and sapropels associated with two transverse tufa dams (barrages). These strata have been accumulating throughout the Holocene, although tufa developments at present are of minor extent. Internal tufa morphologies are recorded by GPR as ‘bright’, laterally continuous reflections for lithified, concretionary and lithoclast-rich horizons. The ‘brightest’ reflectors occur within well-cemented barrages and delineate core areas and prograding buttress zones. In contrast, unlithified lime muds and sapropels produce low-contrast reflections. Lithostratigraphic control and depth calibration of the GPR profiles was provided by percussion augering at selected sites. Six distinct lithofacies and four secondary barrages are identified in the study. Constructional and destructional events can be identified and correlated within the GPR profile network, and the internal growth morphologies of the barrages are apparent. GPR profiles also clearly define the evolution of the facies geometries. Three phases of tufa development can be recognized within the GPR data and greatly extend our understanding of Holocene tufa-forming processes in valley sites: (a) Early Holocene barrage build-ups but with limited paludal deposition; (b) Middle Holocene ponding and sapropel accumulation under ‘warm’ conditions; and (c) Late Holocene barrage termination and valley levelling, probably coincidental with anthropogenic activity. This type of multidisciplinary approach should be considered as an essential prerequisite to all biostratigraphic and geochemical studies of Holocene freshwater carbonate sites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3091.2000.00324.x
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  • 9
    Electronic Resource
    Electronic Resource
    Mission statements miss the point (2001)
    Bingley : Emerald
    Leadership & organization development journal 22 (2001), S. 309-314 
    Details
    ISSN: 0143-7739
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Research on mission statements has shown considerable variability in their value as well as equal disagreement about their value. Mission statements and strategic objectives are often created in the hope that they can help push the organization toward some desired destination. Every person and every organization needs to have a clear destination for their group or organization, but it will require finding better vehicles than simple mission statements. Successful organizations should probably spend 90 percent of their time keeping people focused and 10 percent figuring out how to get there. Ineffective organizations tend to spend 90 percent of their time making rules, regulations, and procedures. Asking good questions is a fine start, but it also takes hard work and continual feedback; otherwise, you end up with a lifeless mission statement. It may not be essential for the entire group to think as one or to reach a complete agreement or singularity about what they are supposed to be about, but the process of continually monitoring and evolving this process is essential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/01437730110404960
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  • 10
    Electronic Resource
    Electronic Resource
    Leadership challenges for organisations in the New South Africa (2003)
    Bingley : Emerald
    Leadership & organization development journal 24 (2003), S. 84-95 
    Details
    ISSN: 0143-7739
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: This article provides an overview of the recent changes and subsequent new challenges for South African organizations in an ongoing rapidly changing environment. In this context we consider the election period of 1994 as a rupture with the past in the history of the SA nation, and a new start of the so-called "New South Africa". Based on personal experiences and literature describes the application of and crucial role played by eight important managerial concepts and methods during the transition period for South African organisations. Finally the impact of this radical change and evolution on new challenges for the leadership and the processes of managing transformation is highlighted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1108/01437730310463279
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