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  • 1985-1989  (45)
  • 1980-1984  (25)
  • 1965-1969  (29)
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  • 1
    Series available for loan
    Series available for loan
    Geodätisch-glaziologische Arbeiten am Hays-Gletscher, Enderby-Land, während der 21. und 23. Sowjetischen Antarktisexpedition (Saison 1975/76 und 1977/78) (1981)
    Berlin : Nationalkomitee für Geodäsie und Geophysik der Deutschen Demokratischen Republik
    Associated volumes
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    Call number: MOP Per 581(3/49) ; ZSP-319/C-49 ; ZSP-319/C-49(2. Ex.)
    In: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde, Heft 49
    Type of Medium: Series available for loan
    Pages: 88 Seiten , Illustrationen , 2 Karten
    ISSN: 0435-6187
    Series Statement: Geodätische und Geophysikalische Veröffentlichungen : Reihe 3, Physik der festen Erde 49
    Language: German
    Note: Kartenbeilage unter dem Titel: Plan I Hays-Traverse 1978, 1 : 200 000. Vektoren der Oberflächengeschwindigkeit. Spaltengebiete , Kartenbeilage unter dem Titel: Plan II Hays-Gletscher, 1 : 200 000. Linien gleicher Oberflächengeschwindigkeit. Deformationsraten. Abflußgebiete (Dränage-Basins) , Inhaltsverzeichnis Vorwort Zusammenfassung Rezjume Summary 1. Arbeitsgebiet und Arbeitsprogramm (S. MEIER) 1.1. Geodätisch-glaziologisches Programm zur 17. SAE (1971-1973) 1.2. Geodätisch-glaziologisches Programm zur 21. SAE (Sommersaison 1975/76) und zur 23. SAE (Sommersaison 1977/78) 2. Geodätische Feldarbeiten zur 21. SAE (Saison 1975/76) 2.1. Überblick (R. EGER) 2.2. Wiederholungsmessung Hays-Traverse I 2.2.1. Lagemessung und trigonometrische Höhenübertragung (R. EGER) 2.2.2. Barometrisches Höhenprofil (R. MÖRSEBURG) 2.2.3. Verschiebungsvektoren und Höhenänderungen der Oberfläche (R. EGER) 2.2.4. Deformationsraten (R. HOYER) 2.3. Hullmessung der Hays-Traverse II 2.3.1. Erkundung und Vermarkung (R. EGER) 2.3.2. Lagemessung und trigonometrische Höhenübertragung (R. EGER) 2.3.3. Barometrisches Höhenprofil (R. MÖRSEBURG) 2.4. Photogrammetrische Bewegungsmessungen am Hays-, Campbell- und Assender-Gletscher 1975/76 (S. MEIER, Photogramm. Aufnahme: R. MÖRSEBURG) 3. Geodätische Feldarbeiten zur 23. SAE (Saison 1977/78) 3.1. Überblick (R. HOYER, A. HOFMANN) 3.2. Wiederholungsmessung der Hays-Traverse I 3.2.1. Lagemessungen und trigonometrische Höhenübertragung (R. HOYER, A. HOFMANN) 3.2.2. Barometrisches Höhenprofil (G. REPPCHEN) 3.2.3. Verschiebungsvektoren und Höhenänderungen der Oberfläche (R. HOYER, A. HOFMANN) 3.2.4. Deformationsraten (R. HOYER) 3.3. Wiederholungsmessung der Hays-Traverse II 3.3.1. Lagemessung und trigonometrische Höhenübertragung (R. HOYER, A. HOFMANN) 3.3.2. Barometrisches Höhenprofil (G. REPPCHEN) 3.3.3. Verschiebungsvektoren (R. HOYER, A. HOFMANN) 3.3.4. Deformationsraten (R. HOYER) 4. Schneezutrag nach Pegelablesung 1972 bis 1977 (S. MEIER) 5. Höhenänderungen der Eisoberfläche 1972 bis 1977 (S. MEIER) 6. Sedimentologie und Petrographie glazigener Bildungen westlich des Hays-Gletschers (J. ELLENBERG. F. FALK, Probenahme: R. EGER, R. MÖRSEBURG) 7. Glaziologische Ergebnisse der Feldarbeiten (S. MEIER) 7.1. Glaziologische Größen. Verteilung und Genauigkeit 7.2 Hays-Gletscher - Geschwindigkeit und Deformation 7.2.1. Überblick 7.2.2. Zeitkonstante Bewegung 7.2.3. Geschwindigkeit und Deformation im Querprofil Q42 7.2.4. Querkontraktion und Bodengleiten 7.2.5. Geschwindigkeit und Geschwindigkeitsänderung im Längsprofil 7.3. Hays-Gletscher - Massenhaushalt und Abflußgebiet 7.3.1. Schneezutrag 7.3.2. Massenbilanzen 7.3.3. Abflußgebiet 7.4. Ergebnisse von Vergleichsmessungen 7.4.1. Abbflußgebiet West-Enderby-Land 7.4.2. Campbell- und Assender-Gletscher 7.4.3. Eiskappe von Molodežnaja Literatur Verzeichnis der Bilder Verzeichnis der Anlagen Plan I Hays-Traverse 1978, 1 : 200 000. Vektoren der Oberflächengeschwindigkeit. Spaltengebiete Plan II Hays-Gletscher, 1 : 200 000. Linien gleicher Oberflächengeschwindigkeit. Deformationsraten. Abflußgebiete (Dränage-Basins)
    Location: MOP - must be ordered
    Location: AWI Archive
    Location: AWI Archive
    Branch Library: GFZ Library
    Branch Library: AWI Library
    Branch Library: AWI Library
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  • 2
    Electronic Resource
    Electronic Resource
    Acid-Catalyzed Isomerization in the Peptide Part of Ergot Alkaloids1 (1966)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 88 (1966), S. 1251-1256 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00958a031
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  • 3
    Electronic Resource
    Electronic Resource
    Sr and Nd isotope geochemistry of oceanic basalts and mantle evolution (1982)
    [s.l.] : Nature Publishing Group
    Nature 296 (1982), S. 821-825 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sr and Nd isotope ratios are reported for 17 mid-ocean ridge basalts and for 11 oceanic islands and island groups. Data from the Azores, Samoa and the Society Islands diverge significantly from the mantle array. These results are not explained by binary mixing of depleted and undepleted mantle ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/296821a0
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  • 4
    Electronic Resource
    Electronic Resource
    Prevention of Cholestanol-induced Cholelithiasis by Neomycin (1965)
    [s.l.] : Nature Publishing Group
    Nature 208 (1965), S. 1226-1227 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since a major step in the formation of gall-stones appears to be the bacterial 7-dehydroxylation of allocholic acid, it is reasonable to assume that the reduction or elimination of the bacteria responsible for the conversion might interfere with gall-stone formation. Because of its well-known ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2081226a0
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  • 5
    Electronic Resource
    Electronic Resource
    Untersuchung des FaktorsU −n in der Niveaudichteformel des Fermigas-Modells (1968)
    Springer
    The European physical journal 217 (1968), S. 247-255 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The nucleus considered as a Fermi-gas is supposed to consist of several subsets of fermions with a constant number of nucleons in each subset. With this assumption the exponentn in the level density formulaρ(U)∼ U −n exp(2 √aU) is found to increase by 0.25 per additional subset.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01394100
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  • 6
    Electronic Resource
    Electronic Resource
    Spektroskopie der Protonen aus der Reaktion Ni(n, p) Co bei einer Neutronenenergie von 14 MeV mit einem Teleskop aus Halbleiterdetektoren (1966)
    Springer
    The European physical journal 192 (1966), S. 264-270 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Protons from nuclear reactions induced by 14 MeV neutrons are analysed with solid state detectors. A high background is caused by nuclear reactions in silicon. The application of a telescope with twodE/dx- detectors allows to suppress this background extensively. Proton identification is made by use of a two-dimensional analyser. The telescope is tested by recoil protons with polyethylene. This arrangement may also be used as a neutron spectrometer. The proton spectra from the reaction Ni(n, p)Co in forward direction (0°) and on an angle of 90° are compared. Nuclear temperature and level-density parameter are evaluated from statistical theory plots. The contribution of direct processes is estimated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01325800
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  • 7
    Electronic Resource
    Electronic Resource
    Der Polarisationsgrad der Neutronen aus der ReaktionD(d,n)3He fürE d=80 bis 140keV (1968)
    Springer
    The European physical journal 217 (1968), S. 128-135 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The polarization of neutrons from thed-d-reaction was investigated in the energy regionE d=80 to 140keV at an angle ofΘ 1=50°lab. Using a polarimeter consisting of a He-gasscintillation detector and two plastic detectors it was possible to reduce the background to a negligible amount. A maximum of neutron polarization of (−14.9 ±2.2)% was found atE d=100 keV. The resonancelike behavior is a further indication of an unknown excited level in4He at 23.9 MeV as given in ref.14.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01390501
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  • 8
    Electronic Resource
    Electronic Resource
    Availability of nitrogen and phosphorus in the nival zone of the Alps (1983)
    Springer
    Oecologia 57 (1983), S. 266-269 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In high-alpine soils the maximum temperature is low even during the growing season, and hence mineralisation of nutrients is reduced. The aim of this study was to investigate what sources of nitrogen and phosphorus are available for vascular plants in the alpine nival zone to support growth. Using acetylene reduction assays levels of nitrogenase activity were assessed in sealed pots containing nival zone soil and plants at an altitude above 3000 m, and in bacterial isolates of soil and rhizosphere in the laboratory. Nitrogenase activity could not be detected in bacterial isolates or in the soil containing no plants. Small quantities of ethylen (〈87 nmol·h-1 per pot) were detected in pots with Cerastium uniflorum and Poa laxa. This activity must be attributable to rhizosphere bacteria since no evidence for the presence of cyanobacteria could be obtained. Other sources of nitrogen for the plants were detected in the form of ammonium and nitrate in soil water and in snow melt water. These solutions also contained extractable phosphorus in quantities normally considered to be sufficient for growth. Analyses of the internal concentration of nitrogen and phosphorus also suggested that these elements were present in adequate amounts in these plants. It was considered that soil and snow melt water together may provide sufficient nitrogen and phosphorus to support the extremely small annual growth increment of nival zone plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00379589
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  • 9
    Electronic Resource
    Electronic Resource
    Petrogenesis of the magmatic complex at Mount Ascutney, Vermont, USA (1988)
    Springer
    Contributions to mineralogy and petrology 98 (1988), S. 408-416 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The Ascutney Mountain complex of eastern Vermont, USA, is a composite epizonal pluton of genetically related gabbro to granite intrusives. Nd isotopic data are reported for mafic rocks, granites, and nearby country rock. The parental mafic magma producing the complex 122 m.y. ago had 87Sr/86Sr=0.7039, 143Nd/144Nd=0.512678 (ɛ Nd=+3.8) and δ 18O=6.1‰, indicating a mantle source with time-integrated lithophile element depletion. Uniform initial radiogenic isotope ratios for granites, which are undistinguishable from those for the most primitive gabbro, suggest that the granite magma evolved from the mafic magma without crustal contamination and that the increase in δ 18O, to about 7.8‰, is the result of fractional crystallization. Mafic rocks show a large range in initial 143Nd/144Nd ratio, from about 0.51267 to 0.51236 (ɛ Nd= +3.7 to −2.5), which is correlated with elevated 87Sr/86Sr ratios and δ 18O. These data substantiate the production of mafic lithologies by fractional crystallization of the parental magma accompanied by assimilation of up to about 50% crust. The local country rocks include gneiss and schist and assimilation involved representatives of both rock types. The isotopic and chemical relationships preclude derivation from a single batch of magma undergoing contamination and indicate that a large magma body at depth evolved largely by fractionation with batches of melt issued from this chamber being variably contaminated at higher levels or at the level of emplacement. The Precambrian gneisses of the Chester dome and overlying lower Paleozoic schists have essentially identical Nd isotope systematics which suggest a crustal formation age of about 1.6. b.y. The parental sediments for the schists were apparently derived from a protolith similar to the gneissic basement without appreciable Sm/Nd fractionation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00372361
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  • 10
    Electronic Resource
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    A Nd and Sr isotopic study of the Ivrea zone, Southern Alps, N-Italy (1987)
    Springer
    Contributions to mineralogy and petrology 97 (1987), S. 31-42 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The Ivrea zone represents a tilted cross section through deep continental crust. Sm-Nd isotopic data for peridotites from Baldissero and Balmuccia and for a suite of gabbros from the mafic formation adjacent to the Balmuccia peridotite provide evidence for an event of partial melting 607±19 Ma ago in an extended mantle source with ɛ 607 Nd =+0.4±0.3. The peridotites are interpreted as the corresponding melt residue, the lower part of the mafic formation as the complementary melts which underwent further differentiation immediately after extraction. The Finero body represents a complex with layers of phlogopite peridotite, hornblende peridotite, and amphibole-rich gabbro. The isotopic signatures fall into two groups: (1) highly radiogenic Nd and low-radiogenic Sr characterize the phlogopite-free, amphibole-rich rocks, whereas (2) low-radiogenic Nd and highly radiogenic Sr is found in ultramafics affected by “phlogopite metasomatism”. Phlogopite metasomatism in the Ivrea zone is dated by a Rb-Sr whole rock isochron yielding 293±13 Ma. It was fed by K-rich fluids which were probably derived from metasediments. The high initial ɛ 293 Nd value of about +7.5 for phlogopite-free samples indicates a high time-integrated Sm/Nd ratio in the Finero protolith 293 Ma ago. Sm-Nd analyses of metapelites from the paragneiss series yield Proterozoic “crustal residence ages” of 1.2 to 1.8 Ga. Internal Sm-Nd isochrons for three garnetiferous rocks show that closure of garnet at temperatures around 600° C or even lower occurred about 250 Ma ago.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00375212
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