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  • 1
    Monograph available for loan
    Monograph available for loan
    Cheltenham : Edward Elgar
    Call number: PIK N 531-16-90166
    Type of Medium: Monograph available for loan
    Pages: XII, 263 Seiten , Illustrationen , 25 cm
    ISBN: 9781782548027 , 1782548025 , 9781782548034 , 1782548033
    Language: English
    Note: Contents: PART I GENERAL ANALYSIS 1. Conceptual Framework and Analytical Methods ; 2. Global Urban Sustainable Competitiveness Index ; 3. Global Urban Sustainable Competitiveness: A Comprehensive Analysis ; 4. Global Urban Sustainable Competitiveness: A Regional Analysis ; 5. Global Urban Sustainable Competitiveness and Urban GDP Per Capita ; 6. Global Urban Sustainable Competitiveness and Urban Population Size ; 7. Global Urban Sustainable Competitiveness: Characteristics of Functional Centers ; PART II SPECIALIZED ANALYSIS ; 8. The Specialized Differences: One Key Vector in Urban Competitiveness ; 9. Social and Technological Innovations in the Competitiveness of Cities ; 10. Green Cities: Examples of Governing for Green Growth from OECD Countries ; 11. Institutions and Urban Competitiveness – a Doing Business Perspective ; 12. The Challenge of World City Network Pattern Changes on the World City Network Analysis ; 13. Population Aging and Urban Competitiveness ; 14. Driving Factors of Urban Prosperity: An Empirical Analysis of Global Cities ; 15. Patterns of the Global Cities: Present and Future ; PART III INDEX REPORT ; 16. The State of Sustainable Competitiveness of 500 Cities
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 2
    Call number: M 91.1382
    Type of Medium: Monograph available for loan
    Pages: 35 S.
    Language: English
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Inc
    Journal of the American Ceramic Society 88 (2005), S. 0 
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The homogeneous hydrolysis method was proposed to synthesize nano-TiO2 with mixed crystal of anatase and rutile. It is remarkable that the crystal-form-controllable nanosize TiO2 was obtained by the addition of toluene-p-sulfonic acid (TSA). Two processes of the rutile phase formation were proposed. TiO2 was pure anatase crystalline in the absence of TSA. The sample with 0.2 mole ratio of TSA was mixed crystal of anatase and rutile, and characterized that the size of nanocrystalline was 19.5 nm for rutile and 13.5 nm for anatase, the specific surface area was 72.7 m2/g, and the energy of band gap was 2.83 eV. And the mechanism of the development of rutile nano-TiO2 was presented in homogeneous hydrolysis system with TSA.
    Type of Medium: Electronic Resource
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  • 4
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    Unknown
    PANGAEA
    In:  Supplement to: Pas, Damien; Hinnov, Linda A; Day, James E; Sinnesael, Matthias; Kodama, Kenneth; Liu, Wei (2018): Cyclostratigraphic calibration of the Famennian stage (Late Devonian, Illinois Basin, USA). Earth and Planetary Science Letters, 488, 102-114, https://doi.org/10.1016/j.epsl.2018.02.010
    Publication Date: 2023-01-13
    Description: The Late Devonian biosphere was affected by two of the most severe biodiversity crises in Earth's history, the Kellwasser and Hangenberg events near the Frasnian–Famennian (F–F) and the Devonian–Carboniferous (D–C) boundaries, respectively. Current hypotheses for the causes of the Late Devonian extinctions are focused on climate changes and associated ocean anoxia. Testing these hypotheses has been impeded by a lack of sufficient temporal resolution in paleobiological, tectonic and climate proxy records. While there have been recent advances in astronomical calibration that have improved the accuracy of the Frasnian time scale and part of the Famennian, the time duration of the entire Famennian Stage remains poorly constrained. During the Late Devonian, a complete Late Frasnian–Early Carboniferous succession of deep-shelf deposits accumulated in the epieric sea in Illinois Basin of the central North-American mid-continent. A record of this sequence is captured in three overlapping cores (H-30, Sullivan and H-32). The H-30 core section spans the F–F boundary; the Sullivan section spans almost all of the Famennian and the H-32 section sampled spans the interval of the Upper Famennian and the D–C boundary. To have the best chance of capturing Milankovitch cycles, 2000 rock samples were collected at minimum 5-cm-interval across the entire sequence. Magnetic susceptibility (MS) was measured on each sample and the preservation of climatic information into the MS signal was verified through geochemical analyses and low-temperature magnetic susceptibility acquisition. To estimate the duration of the Famennian Stage, we applied multiple spectral techniques and tuned the MS signal using the highly stable 405 kyr cycle for Sullivan and the obliquity cycle for the H-30 and H-32 cores. Based on the correlation between the cores we constructed a Famennian floating astronomical time scale, which indicates a duration of 13.5 ± 0.5 myr. An uncertainty of 0.5 myr was estimated for the uncertainties arising from the errors in the stratigraphic position of the F–F and D–C boundaries, and the 405 kyr cycle counting. Interpolated from the high-resolution U–Pb radiometric ages available for the Devonian–Carboniferous boundary we recalibrated the Frasnian–Famennian boundary numerical age to 372.4 ± 0.9 Ma.
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 5
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 4564-4567 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: By using photoreflectance and photovoltaic spectra we have studied the behavior of two-dimensional electron gas in pseudomorphic high electronic mobility transistor structures. We find that the screening effect of two-dimensional electron gas on higher index subbands is much weaker than that on lower index subbands, and excitonic resonance is found to persist at the onset of the high-energy interband transition in both spectra despite the very large carrier concentration within the quantum well. In the meantime, band filling effects have different influences on the transition energy and strength at critical points for high and low temperature spectra, respectively. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 1291-1296 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Nucleation of oriented diamond particles on cobalt substrates has been achieved by a multistep, hot-filament chemical vapor deposition process, which involves seeding, annealing, nucleation, and then growth. The substrates were seeded with either diamond powders, graphite powders, or gaseous carbon species. Scanning electron microscopy showed that 〈111〉 oriented diamond particles were obtained on 〈0001〉 oriented single crystal cobalt substrates. Micro-Raman indicated that the quality of the diamond grown on the cobalt substrate was high, with a full width at half maximum of 4.3 cm−1. A very weak graphitic peak was observed on regions of the substrate not covered by the diamond particles, indicating that graphite codeposition was significantly suppressed. Scanning Auger depth profile analysis was done to characterize the diamond nucleation. Based on the experimental observations, a nucleation model is proposed. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 87 (2000), S. 5296-5298 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The effects of further addition, of carbon on structure and magnetic properties of the Sm20Fe70C10 alloy synthesized by mechanical alloying have been investigated. The main phase is Sm2Fe17Cx or Sm2Fe14C, depending on the composition of starting materials. The Sm2Fe14C phase tends to form when more carbon is added. Remilling and reannealing at a low temperature (600 °C) improve the magnetic properties of the alloys. The ratio of remanence to saturation magnetization as high as 0.79 indicates the existence of enhanced exchange coupling between the hard Sm2Fe17Cx and soft Sm2Fe14C/α-Fe magnetic phases in the Sm20Fe70C15 alloy. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 67 (1995), S. 679-681 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: By photoluminescence measurements we find that at low temperature the linewidth of the excitonic luminescence broadens with increasing electron density in the wider well from a photoexcited type-I-type-II mixed GaAs/AlAs asymmetric double quantum well structure, which even makes the excitonic linewidth at 77 K larger than at 300 K above a certain excitation intensity. We verify that the broadening is due to the scattering of two-dimensional carriers to excitonic states. Based on the theory of the scattering of carriers to excitonic states, we calculate the broadening of the excitonic linewidth. Our experimental results are convincing for verifying the theoretical prediction. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 74 (1993), S. 4274-4276 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have observed Wannier–Stark localization in strained In0.2Ga0.8As/GaAs superlattices by low- and room-temperature photocurrent spectra measurements. The experimental results are well in agreement with the theoretical predictions. A large field-induced modulation response of the absorption edge of the superlattices at room temperature suggests the possibilities of the application to the design of various kinds of electro-optical devices operating at a wavelength of 0.98 μm, based on Wannier–Stark localization effects.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Inorganic chemistry 30 (1991), S. 3502-3512 
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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