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  • 2010-2014  (66)
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  • 1
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    Stuttgart: Betriebswirtschaftliches Institut, Universität Stuttgart, Lehrstuhl für ABWL, Forschungs-, Entwicklungs- und Innovationsmanagement
    Publication Date: 2013-05-22
    Description: The resource-based view is the dominant paradigm in strategic management. One of the unanswered questions is how innovations are addressed in the resource and competence based literature. In answering this question the conformance of the fundamental methodological principles of the resource-based reasoning with the defined explanation goals is challenged. Theoretical foundation based on transaction costs and property rights arguments can help to clarify a sufficient explanation of the emergence, occupation, and decay of sustainable competitive advantage. The necessity and the feasibility to integrate transaction costs and property rights aspects into the resource-based reasoning is to be proofed.
    Keywords: ddc:650 ; resource-based view ; property rights ; theory integration ; innovations ; strategic management
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:workingPaper
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  • 2
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    Stuttgart: Betriebswirtschaftliches Institut, Universität Stuttgart, Lehrstuhl für ABWL, Forschungs-, Entwicklungs- und Innovationsmanagement
    Publication Date: 2013-05-22
    Description: Regelabweichungen sind das Ergebnis von Erwartungen über Mängel in bestimmten Regel-funktionen, die sich auf der Ebene des Regeldesigns, der Ebene organisationaler Routinen sowie im Zusammenhang mit Innovationen finden lassen. Die unternehmerischen Innovati-onsstrategien des Compliance oder Escape sind die Antworten auf die durch Regeln und Rou-tinen gesetzten innovationsbeeinflussenden Parameter.
    Description: Rule deviation is the result of expecting significant shortcomings in particular rule functions. These deficits can typically be found on the level of the rule design, on the level of organisa-tional routines, and on the level of innovative activities. Compliance and escape as distinct innovation strategies are the answers of rule-based alteration of parameters, relevant in the firm's decision making process.
    Keywords: ddc:650 ; Regeln ; Regelbruch ; Routinen ; Innovation
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: German
    Type: doc-type:workingPaper
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  • 3
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    Stuttgart: Betriebswirtschaftliches Institut, Universität Stuttgart, Lehrstuhl für ABWL, Forschungs-, Entwicklungs- und Innovationsmanagement
    Publication Date: 2013-05-22
    Description: Location is a neglected factor within international scientific research in spite of its increasing importance in corporate practice. Selection of severely flawed or completely unsuitable sites can lead to partly or complete withdrawal from country markets, closure of subsidiaries and financial losses. Quality and efficiency of site selection are very important for internationalization success, but still surprisingly undistinguished in recent literature. Within this paper, requirements for site evaluation and selection are derived. A systematic site selection methodology capable of increasing effectiveness, decision quality and efficiency in service firms is developed. Porter's national diamond approach is combined with resource-based theory of the firm and dynamic capabilities reasoning to explain the usage of site selection criteria. Transaction costs theory and agency theoretical reasoning are used to account for specific requirements of site selection. Thus, a stepwise site selection methodology is derived from theory and is implemented, further developed and evaluated in two actions research-based case studies. Using publicly available data, explicit definition, weighting of indicators, systematic data mining and evaluation considerably increases decision transparency in site selection and reduces time expenditure. In both case studies, effectiveness and efficiency increased due to utilizing the proposed site selection methodology.
    Keywords: ddc:650 ; Foreign Direct Investment ; Globalisation ; International management ; Internationalization ; Market research ; Professional service firms
    Repository Name: EconStor: OA server of the German National Library of Economics - Leibniz Information Centre for Economics
    Language: English
    Type: doc-type:workingPaper
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  • 4
    Publication Date: 2017-01-04
    Description: Author Posting. © Arizona Board of Regents on behalf of the University of Arizona, 2004. This article is posted here by permission of Dept. of Geosciences, University of Arizona for personal use, not for redistribution. The definitive version was published in Radiocarbon 46 (2004): 1029-1058.
    Description: A new calibration curve for the conversion of radiocarbon ages to calibrated (cal) ages has been constructed and internationally ratified to replace IntCal98, which extended from 0–24 cal kyr BP (Before Present, 0 cal BP = AD 1950). The new calibration data set for terrestrial samples extends from 0–26 cal kyr BP, but with much higher resolution beyond 11.4 cal kyr BP than IntCal98. Dendrochronologically-dated tree-ring samples cover the period from 0–12.4 cal kyr BP. Beyond the end of the tree rings, data from marine records (corals and foraminifera) are converted to the atmospheric equivalent with a site-specific marine reservoir correction to provide terrestrial calibration from 12.4–26.0 cal kyr BP. A substantial enhancement relative to IntCal98 is the introduction of a coherent statistical approach based on a random walk model, which takes into account the uncertainty in both the calendar age and the 14C age to calculate the underlying calibration curve (Buck and Blackwell, this issue). The tree-ring data sets, sources of uncertainty, and regional offsets are discussed here. The marine data sets and calibration curve for marine samples from the surface mixed layer (Marine04) are discussed in brief, but details are presented in Hughen et al. (this issue a). We do not make a recommendation for calibration beyond 26 cal kyr BP at this time; however, potential calibration data sets are compared in another paper (van der Plicht et al., this issue).
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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  • 5
    Publication Date: 2017-01-05
    Description: Author Posting. © Arizona Board of Regents on behalf of the University of Arizona, 2004. This article is posted here by permission of Dept. of Geosciences, University of Arizona for personal use, not for redistribution. The definitive version was published in Radiocarbon 46 (2004): 1059-1086.
    Description: New radiocarbon calibration curves, IntCal04 and Marine04, have been constructed and internationally ratified to replace the terrestrial and marine components of IntCal98. The new calibration data sets extend an additional 2000 yr, from 0–26 cal kyr BP (Before Present, 0 cal BP = AD 1950), and provide much higher resolution, greater precision, and more detailed structure than IntCal98. For the Marine04 curve, dendrochronologically-dated tree-ring samples, converted with a box diffusion model to marine mixed-layer ages, cover the period from 0–10.5 cal kyr BP. Beyond 10.5 cal kyr BP, high-resolution marine data become available from foraminifera in varved sediments and U/Th-dated corals. The marine records are corrected with site-specific 14C reservoir age information to provide a single global marine mixed-layer calibration from 10.5–26.0 cal kyr BP. A substantial enhancement relative to IntCal98 is the introduction of a random walk model, which takes into account the uncertainty in both the calendar age and the 14C age to calculate the underlying calibration curve (Buck and Blackwell, this issue). The marine data sets and calibration curve for marine samples from the surface mixed layer (Marine04) are discussed here. The tree-ring data sets, sources of uncertainty, and regional offsets are presented in detail in a companion paper by Reimer et al. (this issue).
    Description: A portion of this work was performed under National Science Foundation grant ATM-0407554. A portion of this work was performed under the auspices of the U S Department of Energy by the University of California, Lawrence Livermore National Laboratory under Contract No. W-7405-Eng-48.
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 6
    Publication Date: 2019-07-13
    Description: We describe a mission concept for a stand-alone Titan airplane mission: Aerial Vehicle for In-situ and Airborne Titan Reconnaissance (AVIATR). With independent delivery and direct-to-Earth communications, AVIATR could contribute to Titan science either alone or as part of a sustained Titan Exploration Program. As a focused mission, AVIATR as we have envisioned it would concentrate on the science that an airplane can do best: exploration of Titan's global diversity. We focus on surface geology/hydrology and lower-atmospheric structure and dynamics. With a carefully chosen set of seven instruments-2 near-IR cameras, 1 near-IR spectrometer, a RADAR altimeter, an atmospheric structure suite, a haze sensor, and a raindrop detector-AVIATR could accomplish a significant subset of the scientific objectives of the aerial element of flagship studies. The AVIATR spacecraft stack is composed of a Space Vehicle (SV) for cruise, an Entry Vehicle (EV) for entry and descent, and the Air Vehicle (AV) to fly in Titan's atmosphere. Using an Earth-Jupiter gravity assist trajectory delivers the spacecraft to Titan in 7.5 years, after which the AVIATR AV would operate for a 1-Earth-year nominal mission. We propose a novel 'gravity battery' climb-then-glide strategy to store energy for optimal use during telecommunications sessions. We would optimize our science by using the flexibility of the airplane platform, generating context data and stereo pairs by flying and banking the AV instead of using gimbaled cameras. AVIATR would climb up to 14 km altitude and descend down to 3.5 km altitude once per Earth day, allowing for repeated atmospheric structure and wind measurements all over the globe. An initial Team-X run at JPL priced the AVIATR mission at FY10 $715M based on the rules stipulated in the recent Discovery announcement of opportunity. Hence we find that a standalone Titan airplane mission can achieve important science building on Cassini's discoveries and can likely do so within a New Frontiers budget.
    Keywords: Astronomy
    Type: GSFC-E-DAA-TN8884 , Experimental Astronomy; 33; 1; 55-127
    Format: application/pdf
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  • 7
    Publication Date: 2019-07-13
    Description: Funded by the NSF CubeSat and NASA ELaNa programs, the Dynamic Ionosphere CubeSat Experiment (DICE) mission consists of two 1.5U (1.5 Unit) CubeSats which were launched into an eccentric low Earth orbit on October 28, 2011. Each identical spacecraft carries two Langmuir probes to measure ionospheric in-situ plasma densities, electric field probes to measure in-situ DC and AC electric fields, and a science grade magnetometer to measure in-situ DC and AC magnetic fields. Given the tight integration of these multiple sensors with the CubeSat platforms, each of the DICE spacecraft is effectively a sensor-sat capable of comprehensive ionospheric diagnostics. The use of two identical sensor-sats at slightly different orbiting velocities in nearly identical orbits permits the deconvolution of spatial and temporal ambiguities in the observations of the ionosphere from a moving platform. In addition to demonstrating nanosat-based constellation science, the DICE mission is advancing a number of groundbreaking CubeSat technologies including miniaturized mechanisms and high-speed downlink communications.
    Keywords: Space Sciences (General)
    Type: GSFC-E-DAA-TN22108 , Space Science Reviews (ISSN 0038-6308) (e-ISSN 1572-9672); 181; 1ý4; 61–120
    Format: text
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  • 8
    Publication Date: 2011-04-07
    Description: Although aeolian landforms are pervasive on Mars, evidence for contemporary activity has been limited. The next major campaign for the Mars Exploration Rover “Opportunity” is the investigation of the ∼20 km diameter Endeavor crater, ∼6 km to southeast of the rover's position as of December 2010. We present evidence from orbital imagery that eight aeolian bed forms (∼14,000 m2) in Endeavor crater have been active within the past decade (2001–2009), at a spatial scale that should be directly observable by Opportunity from the crater rim. Two dunes appear to show translational migration (∼10–20 m), but all dunes indicate erosion to be the dominant process with up to 100% sediment removal. Thermophysical properties of these dunes are consistent with very fine to fine sand sizes, the particle sizes most easily moved by the Martian atmosphere. The dunes that show the most surface change have a rippled appearance without well-defined slip faces. Based on their morphology (elliptical shape), we classify them as dome dunes. Mesoscale atmospheric modeling is employed to provide insight into the atmospheric forcing of this aeolian system. The major wind regimes from modeling are consistent with observations of wind streaks, sand streamers, ripples, and slip faces of regional dune fields although modeled wind speeds are insufficient to move sand. The translation and erosion of these dunes constitutes the largest contemporary movement of sand-sized sediment reported on Mars to date and demonstrates that Endeavor crater has been subject to wind profiles exceeding the threshold velocity at the surface (daily/seasonally and/or episodically) in the recent past.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 9
    Publication Date: 2014-04-06
    Description: The calibration of radiocarbon dates by means of a master calibration curve has been invaluable to earth, environmental and archaeological sciences, but the fundamental reason for calibration is that atmospheric radiocarbon content varies because of changes in upper atmosphere production and global carbon cycling. Improved instrumentation has contributed to high-resolution (inter-annual) radiocarbon activity measurements, which have revealed sudden and anomalous activity shifts previously not observed at the common resolution of 5-10 years of most of the calibration scale. One such spike has been recently reported from tree rings from Japan and then again in Europe at AD 774-775, for which we report here our efforts to both replicate its existence and determine its spatial extent using tree rings from larch at high latitude (northern Siberia) and bristlecone pine from lower latitude (the White Mts. of California). Our results confirm an abrupt ca. 15 per mil 14 C activity increase from AD 774 to 776, the size and now the hemispheric extent of which suggests an extraterrestrial influence on radiocarbon production is most likely responsible.
    Print ISSN: 0094-8276
    Electronic ISSN: 1944-8007
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 10
    Publication Date: 2014-05-28
    Description: The mapping of number onto space is fundamental to measurement and mathematics. However, the mapping of young children, unschooled adults, and adults under attentional load shows strong compressive nonlinearities, thought to reflect intrinsic logarithmic encoding mechanisms, which are later “linearized” by education. Here we advance and test an alternative explanation:...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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