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  • Springer  (114)
  • Freiburg : Techn. Univ., Inst. für Experimentelle Physik  (1)
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  • 1
    Online Resource
    Online Resource
    Verbundvorhaben: "Materialien für ultradünne Silizium-Solarzellen" - x[my]-Material - im Rahmen des Spitzenclusters "Solarvalley Mitteldeutschland", Teilvorhaben: Verteilung und Verunreinigungen und Einfluss auf elektrische Eigenschaften von Solarsilizium und -zellen : Schlussbericht ; Laufzeit des Vorhabens und Berichtszeitraum: 01.03.2009 - 31.03.2011 (2011)
    Freiburg : Techn. Univ., Inst. für Experimentelle Physik
    Details Availability
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource (15 S., 1,07 MB) , Ill., graph. Darst.
    URL: https://edocs.tib.eu/files/e01fb11/672518007.pdf
    URL: https://doi.org/10.2314/GBV:672518007
    URL: https://edocs.tib.eu/files/e01fb11/672518007l.pdf
    DOI: 10.2314/GBV:672518007
    Language: German
    Note: Förderkennzeichen BMBF 03SF0336 E. - Verbund-Nr. 01066114 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden. - Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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  • 2
    Electronic Resource
    Electronic Resource
    Seasonal fluctuations in macrobenthic fauna of theFucus belt in kiel fjord (western baltic sea) (1983)
    Springer
    Helgoland marine research 36 (1983), S. 277-283 
    Details
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The macrobenthic fauna associated withFucus at a station in the Kiel Fjord was investigated from June 1978 until June 1979. The predominant group in number as well as in biomass were gammarids. They formed, together with the isopodsIdotea spp., approximately 95 % of the total average annual biomass. The total dry weight of all macrobenthic animals (excl.Littorina spp.) increased from 1.9 g per kgFucus in May to about 16 g in June–August, and dropped to 8.3 g in September. Winter average dry weight values were only about 6 % of the summer values.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01983631
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  • 3
    Electronic Resource
    Electronic Resource
    Quantifizierung des pflanzlichen Strandanwurfs an der westdeutschen Ostseeküste (1982)
    Springer
    Helgoland marine research 35 (1982), S. 517-519 
    Details
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Following evaluation of 634 aerial photographs, the dead marine plant biomass on the western Baltic Sea shores between Flensburg and Neustadt (Federal Republic of Germany) was estimated to be 300 t dry weight in August 1977. On the average, a belt of 0,9 m width was covered by dead marine plant material. Main constituents wereFucus vesiculosus L. andZostera marina L. The impact of the hydrographical conditions on the quantity of plants washed ashore is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01999139
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  • 4
    Electronic Resource
    Electronic Resource
    Dynamics of fish diseases in the lower Elbe River (1984)
    Springer
    Helgoland marine research 37 (1984), S. 389-413 
    Details
    ISSN: 1438-3888
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract As part of a survey on population dynamics and ecology of fishesin the Elbe River, seasonal and regional fluctuations of external fish diseases were studied from the open North Sea to Hamburg in 1981–1982. Clinical signs of 11 different diseases, several of them not being recorded before, were noted in 22 fish species. Averaged over all samples, the total disease prevalence was below 1 % in 16 species. Highest prevalences were found in smelt (12.7 %), eel (9.2 %), and flounder (5.5 %). The frequency of most diseases increased in larger (older) fish. High prevalences of skeletal abnormalities in cod could be related to abnormal migration habits of diseased fish. Spawning papillomatosis, skin ulceration, and fin rot in smelt occurred predominantly during the spawning season. Most diseases observed occurred at relatively high prevalences in the central Elbe estuary between Cuxhaven and Brunsbüttel. This is most obvious for lymphocystis, fin rot, skin ulceration, and bleaching syndrome in flounder, but such a tendency also seems to occur in cauliflower disease of eel, as well as spawning papillomatosis and pharyngeal granuloma in smelt. This area is less heavily polluted and less frequently affected by oxygen deficiency than the area upstream of Glückstadt, where diseases in general occurred at lower frequencies. Therefore, it is concluded that neither pollution nor lack of oxygen are the main triggers for the outbreak of diseases in Elbe fish. It is supposed that large tidal fluctuations of salinity are a major stress factor for fish in the estuary between Cuxhaven and Brunsbüttel. Flounder from this area usually are in a relatively bad nutritional state. Their condition factor increases significantly towards Hamburg, while their disease prevalence decreases in the same direction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01989319
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  • 5
    Electronic Resource
    Electronic Resource
    H-bases for polynomial interpolation and system solving (2000)
    Springer
    Advances in computational mathematics 12 (2000), S. 335-362 
    Details
    ISSN: 1572-9044
    Keywords: ideal bases ; Gröbner bases ; multivariate polynomials ; interpolation ; systems of polynomial equations ; 65D05 ; 65H10 ; 13P10
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The H-basis concept allows, similarly to the Gröbner basis concept, a reformulation of nonlinear problems in terms of linear algebra. We exhibit parallels of the two concepts, show properties of H-bases, discuss their construction and uniqueness questions, and prove that n polynomials in n variables are, under mild conditions, already H-bases. We apply H-bases to the solution of polynomial systems by the eigenmethod and to multivariate interpolation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018937723499
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  • 6
    Electronic Resource
    Electronic Resource
    Pressure dependence of the isomer shift of Sn119 (1968)
    Springer
    The European physical journal 212 (1968), S. 107-121 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using recoilless gamma resonance absorption of the 23.8 keV transition of Sn119 we have measured the isomer shift as a function of hydrostatic pressure up to 100 kbar. The tin isotope was introduced into the substances SnMg2, metallic tin, Pd(12 wgt.% Sn), Sn (SO4)2·2H2O, and SnAu. Except for SnMg2, all compounds exhibit a linear relation between isomer shift and pressure, which reflects a decrease of ¦ ψ(0)¦2, the probability density of the electrons at the nuclear site, with increasing pressure. This decrease is interpreted by a volume-dependent screening of the 5s electrons by the 5p electrons. The non-linear dependence of the isomer shift upon pressure in the case of SnMg2 is interpreted in terms of the superposition of two counteracting effects, with band repopulation and electronic shielding effects prevailing in the low and high pressure branches, respectively. Measurements of the pressure dependence of both the electrical resistivity and the lattice structure of SnMg2 lead to a picture, which resulted in a calculation of the pressure dependence of the isomer shift, which is in agreement with the experimental observations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01421909
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  • 7
    Electronic Resource
    Electronic Resource
    Ausschläge elektrischer Natur bei kurzgeschlossenen Elektrometern (1932)
    Springer
    The European physical journal 77 (1932), S. 246-249 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung Bei kurzgeschlossenen Elektrometern wurden tagesrhythmische Schwankungen der Nadelstellung beobachtet, die nicht auf Temperatureinfluß zurückzuführen sind. Es wird nachgewiesen, daß die Ursache dieser Ausschläge elektrischer Natur ist.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01338918
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  • 8
    Electronic Resource
    Electronic Resource
    Histopathology and APOE genotype of the first Alzheimer disease patient, Auguste D. (1998)
    Springer
    Neurogenetics 1 (1998), S. 223-228 
    Details
    ISSN: 1364-6753
    Keywords: Key words Alzheimer disease ; Amyloid plaques ; APOE gene ; Dementia ; Neurofibrillary tangles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: ABSTRACT Alois Alzheimer published two papers on the disease which was named after him by Emil Kraepelin in 1910. Each of these papers contains clinical and pathological data on a patient Alzheimer had seen at the hospital. We have previously reported on the rediscovery of tissue sections from Alzheimer's second published case of Alzheimer disease, Johann F., which probably gave the disease its name (Neurogenetics 1997; 1 : 73–80). Here, we describe the histopathology and APOE genotype of Alois Alzheimer's first patient, Auguste D. As in the case of Johann F., a large number of tissue sections belonging to Alzheimer's laboratory, which was later headed by Spielmeyer, were found among material kept at the Institute of Neuropathology of the University of Munich. As described by Alzheimer in his original report (Allg Zeitschr Psychiatr 1907; 64 : 146–148), there were numerous neurofibrillary tangles and many amyloid plaques, especially in the upper cortical layers of this patient. Yet, there was no microscopic evidence for vascular, i.e., arteriosclerotic, lesions. Interestingly, Alzheimer's histological preparations did not include the hippocampus or entorhinal region. The APOE genotype of this patient was shown to be ε3/ε3 by PCR-based restriction enzyme analysis, indicating that mutational screening of the tissue is feasible. The historical importance of the case of Auguste D. lies in the fact that it marks the beginning of research into Alzheimer disease. In addition, neurofibrillary tangles were first described in this brain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100480050033
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  • 9
    Electronic Resource
    Electronic Resource
    Multivariate polynomial equations with multiple zeros solved by matrix eigenproblems (1995)
    Springer
    Numerische Mathematik 70 (1995), S. 311-329 
    Details
    ISSN: 0945-3245
    Keywords: Mathematics Subject Classification (1991): 12D10, 26D10, 30C15, 65H10, 65H15
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary. The eigenproblem method calculates the solutions of systems of polynomial equations $ f_1(x_1, \ldots , x_s)=0,\ldots,f_m(x_1, \ldots , x_s)=0$ . It consists in fixing a suitable polynomial $ f $ and in considering the matrix $ A_f $ corresponding to the mapping $ [p] \mapsto [f\cdot p] $ where the equivalence classes are modulo the ideal generated by $ f_1, \ldots , f_m.$ The eigenspaces contain vectors, from which all solutions of the system can be read off. This access was investigated in [1] and [16] mainly for the case that $ A_f is nonderogatory. In the present paper, we study the case where $ f_1, \ldots , f_m $ have multiple zeros in common. We establish a kind of Jordan decomposition of $ A_f $ reflecting the multiplicity structure, and describe the conditions under which $ A_f $ is nonderogatory. The algorithmic analysis of the eigenproblem in the general case is indicated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002110050122
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  • 10
    Electronic Resource
    Electronic Resource
    Medikamentöse Strategien bei unter Antidepressiva therapierefraktären Depressionen (1991)
    Springer
    Journal of molecular medicine 69 (1991), S. 413-415 
    Details
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01647417
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