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  • 1
    Electronic Resource
    Electronic Resource
    Internal structure of extreme standing waves on deep water (1996)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 8 (1996), S. 697-703 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A special procedure is applied to remove the non-physical distortion that always appears when numerically calculating velocity and related quantities in the close vicinity of a discretized vortex sheet. The procedure is used in conjunction with a semi-Lagrangian boundary integral method to study the flowfield beneath free surface standing water waves. Pressure, velocity and acceleration are calculated below the wave and some aspects of crest formation are investigated. At large depths results confirm the existence of an unattenuated oscillatory pressure component, giving behavior consistent with previously known theory. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.868855
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  • 2
    Electronic Resource
    Electronic Resource
    Branching behavior of standing waves—The signatures of resonance (1999)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 11 (1999), S. 1051-1064 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Arclength continuation methods are used to conduct a detailed branching study of standing wave solutions for fluids in a rectangular container, using depth and crest acceleration as control parameters. At each depth the applicable acceleration range extends between zero and one, and a number of multiple solution structures are uncovered. An intimate connection is established between these structures and the phenomenon of harmonic resonance. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.869976
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  • 3
    Electronic Resource
    Electronic Resource
    REVIEWING THE BRITISH LATE UPPER PALAEOLITHIC: NEW EVIDENCE FOR CHRONOLOGICAL PATTERNING IN THE LATEGLACIAL RECORD (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Oxford journal of archaeology 15 (1996), S. 0 
    Details
    ISSN: 1468-0092
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Archaeology
    Notes: Summary. Variation in Lateglacial lithic assemblages has led some researchers to sub-divide the British Later Upper Palaeolithic into two or more typologically distinct phases (Campbell 1977; Jacobi 1988). Until now, however, the chronological relationships between the different phases have been difficult to demonstrate. In this paper we present new dating evidence for two distinct blade technologies of Lateglacial type found in southwest Britain. The first corresponds to the ‘Creswellian’(as defined by Jacobi 1991; Jacobi and Roberts 1992), and is dated to the earlier part of the Lateglacial Interstadial (c. 13–12,000 years BP); the second technology compares with European Federmessergruppen assemblages (literally, ‘penknife group’ industries, as described in Schwabedissen 1954) of the ‘forested’ phase of the Interstadial (c. 12–11,000 years BP). In addition to presenting the new dates, this paper explores the implications of treating the technologies as separate entities and puts forward preliminary ideas on differences in raw material use and other human subsistence behaviour.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-0092.1996.tb00085.x
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  • 4
    Electronic Resource
    Electronic Resource
    Effects of amperozide, 8-OH-DPAT, and FG 5974 on operant responding for ethanol (1998)
    Springer
    Psychopharmacology 137 (1998), S. 25-32 
    Details
    ISSN: 1432-2072
    Keywords: Key words Alcohol ; Ethanol ; Saccharin ; Self-administration ; Serotonin ; 5-HT1A receptor ; 5-HT2A receptor ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Both 5-HT1A and 5-HT2A receptors have been implicated in modulating ethanol self-administration. A novel serotonergic compound, FG 5974, with combined 5-HT1A agonist/5-HT2A antagonist activities, has shown effects in decreasing ethanol consumption in two-bottle choice paradigms. In the present study, the effect of this compound on operant responding for ethanol (as well as water and a saccharin solution) was compared to compounds possessing the separate neuropharmacological effects of this drug (the 5-HT1A agonist, 8- OH-DPAT, and the 5-HT2A antagonist, amperozide). While all three serotonergic compounds decreased operant responding for ethanol, only FG 5974 had no effect on water and saccharin responding. These results suggest that combined 5HT1A agonist/5-HT2A antagonist activity provides a more selective effect on ethanol reinforcement than either neuropharmacological action alone. Therefore, further analysis of mixed serotonergic compounds in general, and FG 5974 in particular, is warranted as they offer potential treatments for alcoholism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002130050589
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  • 5
    Electronic Resource
    Electronic Resource
    Catalytic properties of SrSn1−xSbxO3 in methanol oxidation (1996)
    Springer
    Catalysis letters 39 (1996), S. 97-104 
    Details
    ISSN: 1572-879X
    Keywords: methanol oxidation ; B-metal perovskites ; SrSn1−x Sb x O3
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Ceramic model catalyst materials of general formula SrSn1−x Sb x O3 are synthesised by solid state reaction. X-ray diffraction shows the materials to be single phase over the composition range 0 ⩽x⩽0.085, with a second phase, identified as SrSb2O5, being produced at higher antimony doping levels. XPS, Auger electron spectroscopy and valence band photoemission show strong segregation of Sb to the surface of the material even within the single phase regime. The catalytic properties of the materials are examined using methanol oxidation as a test reaction. The activity and selectivity to formaldehyde production shown by these materials is found to be strongly correlated with the attainment of the bulk solubility limit of Sb in the SrSnO3 perovskite host.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00813737
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