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  • 1
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    Quaternary Glaciation in the Mediterranean Mountains (2017)
    London : The Geological Society
    Details
    Description / Table of Contents: The mountains of the Mediterranean world are now largely ice free, but many were repeatedly glaciated during the Quaternary ice age. This created spectacular glaciated landscapes with a rich array of glacial deposits and landforms. The glacial and glacio-fluvial records are often very well preserved and our understanding of the timing of Quaternary glaciation has very recently been transformed through the application of dating methods utilizing uranium-series and cosmogenic isotopes. Glacial records from the Mediterranean now boast some of the most robust chronologies for mountain glaciation anywhere in the world – they represent a unique archive of Quaternary environmental change of global significance. The southerly latitude and relatively small size of Mediterranean glaciers rendered them especially sensitive to Pleistocene and Holocene climate changes. This volume brings together the leading researchers and the latest research on Mediterranean glaciation. Several papers also explore glacier behaviour in the Holocene – including those glaciers of southernmost Europe at risk of disappearing this century.
    Pages: Online-Ressource (X, 315 Seiten)
    ISBN: 9781862397477
    URL: http://sp.lyellcollection.org/content/433/1.toc
    Language: English
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    E-BOOK
  • 2
    Electronic Resource
    Electronic Resource
    Role of Organ-Specific Antigen during 4-Dimethylaminoazobenzene Carcinogenesis in the Rat Liver (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 289-290 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As the implications of Weiler's work, particularly the demonstration of the loss of organ specificity in pre-malignant cells, bear directly upon the immunological concept of cancer it was considered necessary to confirm his observations. The results of our studies upon the role of the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180289a0
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  • 3
    Electronic Resource
    Electronic Resource
    Nucleic acid sequence relationships between enterovirus serotypes
    Amsterdam : Elsevier
    Molecular and Cellular Probes 1 (1987), S. 169-176 
    Details
    ISSN: 0890-8508
    Keywords: enteroviruses ; nucleic-acid hybridization
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0890-8508(87)90025-9
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  • 4
    Electronic Resource
    Electronic Resource
    Aromatic fluorine compounds (1969)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 12 (1969), S. 195-196 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00301a063
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  • 5
    Electronic Resource
    Electronic Resource
    Factorial analysis of an experimental comparison of three methods of fishing for rainbow trout, Salmo gairdneri Richardson, in still water (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 16 (1980), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A three day experiment compared angling returns for rainbow trout, Salmo gairdneri Richardson, using fly, spinner and worm fishing methods. The catches of these methods were most similar on the first day: 3.36/h, 2.61/h and 3.75/h for spinner, fly and worm fishing, respectively. Catch rates on subsequent days declined, but less so for worm fishing. Overall, the worm fishing method returned the highest catch rate and estimates of catch rates for a year on a trout fishery also indicated that this method returned the highest catch rate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1980.tb03703.x
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  • 6
    Electronic Resource
    Electronic Resource
    Impact of synthetic pyrethroid-sheep dip on the indigenous microflora of animal slurries (2000)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 190 (2000), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The chemical constituents of sheep dip in the UK are currently changing from organophosphate-based to synthetic pyrethroid-based insecticides. As a result, changes are also being made to the methods of disposal of these chemicals in the environment, such that pyrethroid sheep dips must now be diluted in animal slurry or water. To date, there is a lack of quantitative information on the impact of the insecticide on the indigenous microflora of animal slurries. This paper investigated the impact of Bayticol (synthetic pyrethroid sheep dip) over a range of concentrations on selected populations of bacteria within animal slurry. It was found that, with increasing pesticide concentration, there was up to a four orders of magnitude increase in the numbers of faecal coliforms and pathogens, such as putative Salmonella spp. These findings have implications for the disposal of sheep dip-amended animal slurries to land from several aspects: (i) the longevity of putative pathogens in the field may require re-evaluation of the time required before the return of grazing livestock to a slurry-amended field; (ii) the potential for the transfer of pathogenic bacteria and faecal coliforms into human and animal foodchains, and (iii) the increased potential for faecal coliforms being washed into streams, rivers and coastal bathing waters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2000.tb09295.x
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  • 7
    Electronic Resource
    Electronic Resource
    The effect of growth interruption on the properties of InGaAs/InAlAs quantum well structures (1998)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 72 (1998), S. 338-340 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The effect of the growth interruption time during the growth of InGaAs/InAlAs quantum well structures is shown to have a significant effect on both the interband transitions, as determined by photoreflectance, and the electrical properties of the as-grown structure. The results show that, for increasing growth interruption time, the quantum well heterointerfaces become more abrupt and the carrier mobility increases, thereby demonstrating that long interruption times are preferable for the growth of high quality rectangular quantum well structures. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.120729
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  • 8
    Electronic Resource
    Electronic Resource
    Analysis of phase shifts due to etching in photoreflectance spectra of a GaAs/AlGaAs single-quantum well structure (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 2672-2678 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Room-temperature photoreflectance measurements of a GaAs/Al0.2Ga0.8As single-quantum well structure showed well defined Franz–Keldysh oscillations in the neighborhood of the GaAs and Al0.2Ga0.8As band-edge energies. That experiment investigated the origin of the Franz–Keldysh oscillations by sequential etching and photoreflectance analysis of the grown layers and showed that the phase of the Franz–Keldysh oscillations shifted as the upper Al0.2Ga0.8As barrier was etched, with eventual phase reversal when roughly half of the upper barrier was removed. Here, these phase shifts are determined accurately using a novel Kramers–Kronig approach and they are interpreted in terms of optical interference effects using both a simple two-ray model and a multiple-reflection treatment incorporating a calculation of the Seraphin coefficients. The results also enable the thickness of the layers removed to be determined. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.358734
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  • 9
    Electronic Resource
    Electronic Resource
    Analysis of Franz–Keldysh oscillations in photoreflectance spectra of a AlGaAs/GaAs single-quantum well structure (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 6472-6480 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Experimental results are presented for the physical origins of room-temperature photoreflectance features of a AlGaAs/GaAs single-quantum well structure. The spectra exhibit well-defined Franz–Keldysh oscillations which overlap with photoreflectance features due to the quantum well and complicate the determination of the energies of the transitions within the quantum well. The origin of the Franz–Keldysh oscillations are determined using wet chemical etching to selectively remove grown layers down to the substrate. The resulting spectra are presented as a function of etch depth which allows the magnitude of the built-in electric fields to be determined and reveals the location within the quantum well structure where the Franz–Keldysh oscillations originate. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359122
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  • 10
    Electronic Resource
    Electronic Resource
    Islands of stability and complex universality relations (1987)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 28 (1987), S. 60-63 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: For complex mappings of the type z→λz(1−z), universality constants α and δ can be defined along islands of stability lying on filamentary sequences in the complex λ plane. As the end of the filament is approached, asymptotic values αN∼λN−1∞, δN/α2N∼1 are attained, where μ∞=λ∞(λ∞−2)/4, is associated with the limiting form of the universal function for that sequence, g(z)=1−μ∞z2. These results are complex generalizations of the real mapping case (applying to tangent bifurcations and windows of stability) where μ∞=2 and δ/α2→ (2)/(3) correspond to the filament running along the real axis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.527808
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