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  • 1985-1989  (138)
  • 1955-1959  (6)
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  • 1
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    (Figure 1) Dinoflagellate cyst stratigraphy of DSDP Hole 80-548A (1985)
    PANGAEA
    In:  Supplement to: Brown, S; Downie, C (1985): Dinoflagellate cyst stratigraphy of Paleocene to Miocene sediments from the Goban Spur (Sites 548-550, Leg 80). In: De Graciansky, PC; Poag, CW; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Gov. Printing Office), 80, 643-651, https://doi.org/10.2973/dsdp.proc.80.120.1985
    Details
    Publication Date: 2023-07-10
    Description: Cyst assemblages from Sites 548, 549, and 550 were examined and gave evidence of early Eocene to late Miocene age. These assemblages were compared with other North Atlantic DSDP sites and with onshore sections in Denmark, southern England, Spain, and Italy. Some environmental interpretation is attempted for the Miocene assemblages; pollen, spores, and dinoflagellate cyst species were used to interpret the proximity of the shoreline. Key species are illustrated, along with some forms that are not discussed.
    Keywords: 80-548A; Achomosphaera alcicornu; Achomosphaera andalousiense; Achomosphaera crassipellis; Achomosphaera ramulifera; Achomosphaera sp.; Adnatosphaeridium multispinosum; Adnatosphaeridium robustum; Amiculosphaera umbracula; Apectodinium quinquelatum; Apteodinium spiridoides; Areoligera senonensis complex; Batiacasphaera baculata; Batiacasphaera compta; Bitectatodinium tepikiense; Cannosphaeropsis reticulensis; Cannosphaeropsis sp.; Cannosphaeropsis utinensis; Cerebrocysta cf. bartonensis; Cordosphaeridium inodes; Cordosphaeridium minimum; Deep Sea Drilling Project; Deflandrea sp.; Dinopterygium cladoides; Diphyes colligerum; Distatodinium paradoxum; Dracodinium condylos; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Eatonicysta ursulae; Epoch; Glomar Challenger; Heteraulacysta sp.; Homotryblium floripes; Homotryblium tenuispinosum; Hystrichokolpoma eisenackii; Hystrichokolpoma sp.; Hystrichosphaeropsis obscurum; Hystrichosphaeropsis ovum; Hystrichostrogylon membraniphorum; Impagidinium aculeatum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium sp.; Impagidinium strialatum; Impletosphaeridium sp.; Leg80; Lejeunecysta aechmophora; Lejeunecysta fallax; Lejeunecysta sp.; Lingulodinium machaerophorum; Melitasphaeridium asterium; Melitasphaeridium choanophorum; Nannofossil zone; Nematosphaeropsis aquaeducta; Nematosphaeropsis labyrinthus; Nematosphaeropsis philippottii; Nematosphaeropsis sp.; North Atlantic/SPUR; Operculodinium centrocarpum; Palaeocystodinium golzowense; Pentadinium laticinctum; Polykrikos sp.; Polysphaeridium sp.; Pyxidiella scrobiculata; Pyxidiella sp.; Quinquecuspis concreta; Rhombodinium glabrum; Rhombodinium longimanum; Sample code/label; Selenopemphix nephroides; Selenopemphix sp.; Spiniferites mirabilis; Spiniferites ramosus complex; Tectatodinium pellitum; Tectatodinium psilatum; Tectatodinium sp.; Thalassiphora delicata; Thalassiphora pelagica; Thalassiphora reticulata; Trinovantedinium capitatum; Tuberculodinium sp.; Tuberculodinium vancampoae
    Type: Dataset
    Format: text/tab-separated-values, 2352 data points
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    DATA PANGAEA
  • 2
    Electronic Resource
    Electronic Resource
    Spectroscopic characterization of thioredoxin covalently modified with monofunctional organoarsenical reagents (1987)
    s.l. : American Chemical Society
    Biochemistry 26 (1987), S. 863-871 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00377a030
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Proton NMR study of effects of synergistic anion and metal ion binding on pH titration of the histidinyl side-chain residues of the half-molecules of ovotransferrin (1987)
    s.l. : American Chemical Society
    Biochemistry 26 (1987), S. 3115-3120 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00385a025
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  • 4
    Electronic Resource
    Electronic Resource
    Host-guest complexation. 35. Spherands, the first completely preorganized ligand systems (1985)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 107 (1985), S. 3645-3657 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00298a040
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  • 5
    Electronic Resource
    Electronic Resource
    Laser enrichment of carbon-14 (1985)
    Springer
    Applied physics 37 (1985), S. 79-86 
    Details
    ISSN: 1432-0649
    Keywords: 82.50
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An experimental study has been performed of the carbon-14 enrichment achievable in the ultraviolet laser dissociation of mixtures of14CH2O and12CH2O. The14C:12C enrichment factor in the CO product has been measured at 352.2 nm as a function of laser linewidth, formaldehyde temperature and pressure, and degree of carbon-14 depletion. The enrichment decreases with an increase in each of these parameters; the highest enrichment, 1190, was measured at 0.02 cm−1, 303 K, 1 Torr and a14C depletion of 10%. The results are assessed in terms of their application to radiocarbon dating, in particular for groundwater dating required for nuclear waste disposal, and to the enrichment of14C operating wastes extracted from nuclear reactors to a level suitable for commercial sale.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00692553
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  • 6
    Electronic Resource
    Electronic Resource
    The use of E-magnitude filters in direct methods (1988)
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 44 (1988), S. 1018-1021 
    Details
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: In direct methods difficulties can be experienced in solving structures in situations where data of high resolution are being used very early in the phasing process; in real space, this tends to build too much atomic detail before the molecular outline is fully defined by the lower-angle reflections, as well as involving E magnitudes which have high standard deviations. The problem can be exacerbated in situations where the data extend beyond the Cu sphere - often collected using high-intensity X-ray tubes. Problems can also be encountered with very low-angle data because of solvent effects and data measurement problems. A simple weighting scheme and a Bragg-angle cut-off procedure are presented which alleviate these problems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S010876738800649X
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  • 7
    Electronic Resource
    Electronic Resource
    Tumour-inhibiting Action of 1 : 6-Dimethanesulphonyl-D-mannitol (1958)
    [s.l.] : Nature Publishing Group
    Nature 182 (1958), S. 1164-1165 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] 1 : 6-Dimethanesulphonyl-D-mannitol was first prepared by the reaction of 1 : 2-5 : 6-dianhydro-3 : 4-sopropylidene-D -mannitol with methanesulphonic acid, in ether solution. As we expected, the two epoxide rings were split and addition of 2 mol. of methane sulphonic acid occurred, but the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1821164b0
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  • 8
    Electronic Resource
    Electronic Resource
    Characterization of the focused output from a selenium soft x-ray laser (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 786-788 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The output energy (90 μJ), focal spot diameter (235 μm), and pointing accuracy (±75 μrad) for a 3.7-cm-long Se soft x-ray laser operating at 20.6 and 20.9 nm are reported. Now that this intense soft x-ray source has been well characterized it may find use in such diverse applications as lithography, contact microscopy, holography, and photoionization pumping.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101359
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  • 9
    Electronic Resource
    Electronic Resource
    Complex acoustic and electromagnetic resonance frequencies of prolate spheroids and related elongated objects and their physical interpretation (1985)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 58 (1985), S. 2109-2124 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A numerical calculation of the complex eigenfrequencies of prolate spheroids and ellipsoids, and of finite-length circular cylinders undergoing acoustic or electromagnetic eigenvibrations is reported. While mainly longitudinal eigenvibrations have been studied previously, here we obtained eigenfrequencies of vibrations which contain azimuthal components. These give rise (e.g., for the case of a cylinder) to helical surface waves, and we were able to interpret the corresponding eigenfrequencies in terms of resonances caused by the phase matching of such surface waves as they repeatedly engulf, and propagate around, the vibrating object. Phase and group velocities and absorption coefficients of the surface waves are obtained numerically from the set of complex eigenfrequencies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.335976
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  • 10
    Electronic Resource
    Electronic Resource
    Hydrodynamic stability threshold of liquid metal current collectors (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 63 (1988), S. 4872-4880 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A mechanism derived from hydrodynamic theory to explain the ejection instability of liquid metal current collectors is presented. The ejection mechanism is shown to be caused by the onset of the Kelvin–Helmholtz instability resulting from the gradient of azimuthal (primary) flow at the interface between the liquid metal and cover gas. This new mechanism differs from the previous theory developed by Eriksson [in Electrical Engineering Series, no. 48, edited by M. Luukkala (The Finnish Academy of Technical Sciences, Helsinki, Finland, 1982), who analyzed the onset of the Kelvin–Helmhotz instability resulting from the gradient of meridional (secondary) flow at the interface. Considering the solution to the linearized Navier–Stokes equations at the liquid metal and gas interface, the azimuthally driven (primary flow) instability mechanism for the onset of ejection is much more prevalent than the meridional (secondary) flow driven mechansim. Furthermore, Eriksson's theory requires an empirical multiplicative fractional factor that is not physically justified to predict experimentally measured ejection points, whereas the present theory is more self-consistent. Calculations of minimum ejection values from both theories were compared with corresponding experimental ejection data. The present theory appears to give significantly better engineering estimates, both quantitively and qualitatively, for minimum ejection threshold than Eriksson's theory. The basic mathemtical model presented can serve as the basis for developing a more complex mathematical model for liquid metal ejection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.340427
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