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  • 1
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    Anisotropy-induced coupling in borehole acoustic modes (1996)
    In:  J. Geophys. Res., Dordrecht, Martinus Nijhoff Publishers, vol. 101, no. 5705, pp. 15,945-15,952, pp. 2389, (ISSN: 1340-4202)
    Details
    Publication Date: 1996
    Keywords: Anisotropy ; Borehole geophys. ; Waves ; Borehole Compensated Sonic log ; Stoneley ; AAPLG ; JGR
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Acoustic waves in pressurized boreholes: A finite difference formulation (1996)
    In:  J. Geophys. Res., Minsk, Polish Geothermal Association, vol. 101, no. 24, pp. 25,173-25,180, pp. L24309, (ISSN: 1340-4202)
    Details
    Publication Date: 1996
    Keywords: Finite difference method ; Borehole geophys. ; Waves ; Acoustics ; JGR
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Stonely and flexural modes in pressurized boreholes (1995)
    In:  J. Geophys. Res., Minsk, Polish Geothermal Association, vol. 100, no. 24, pp. 22375-22381, pp. L24309, (ISSN: 1340-4202)
    Details
    Publication Date: 1995
    Keywords: Borehole geophys. ; Waves ; JGR
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Sensitivity and inversion of borehole flexural dispersions for formation parameters (1997)
    In:  Geophys. J. Int., Minsk, Polish Geothermal Association, vol. 128, no. 24, pp. 84-96, pp. L24309, (ISSN: 1340-4202)
    Details
    Publication Date: 1997
    Keywords: Inversion ; Borehole geophys. ; Borehole Compensated Sonic log ; Dispersion ; GJI
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
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    Downstream fining by selective deposition in a laboratory flume (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-12-11
    Description: There has long been debate about the relative importance of abrasion versus selective deposition of the coarsest clasts in causing downstream fining of sediment in river systems. Although high fining rates observed in many natural rivers seem to require strong selective deposition, the ability of selective deposition to produce downstream size sorting has never been measured under controlled conditions. In an experiment using a long flume and a poorly sorted, bimodal gravel feed, downstream fining was produced by a factor of 1.3 in median size and 1.8 in 90th percentile size, over a distance of 21 meters. The experimental conditions rule out abrasion effects. Selective deposition appears to be a natural consequence of the transport and deposition of sufficiently poorly sorted or bimodal gravels and appears to be capable of accounting for fining rates observed in natural gravel rivers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paola, C -- Parker, G -- Seal, R -- Sinha, S K -- Southard, J B -- Wilcock, P R -- New York, N.Y. -- Science. 1992 Dec 11;258(5089):1757-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17831656" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Surface tension measurements of surface freezing in liquid normal alkanes (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-20
    Description: Surface tension measurements reveal surface freezing in liquid n-alkanes. A solid monolayer of molecules is found to exist up to 30 degrees C above the bulk freezing point. This surface phase exists only for carbon numbers 14 n 〈/= 50. The measured carbon number and temperature dependence of the surface tension is interpreted within a simple thermodynamical model based on known bulk latent heat data and surface energy considerations. The vanishing of the surface phase for n 〈/= 14 is a possible transition from surface freezing to surface melting behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wu, X Z -- Ocko, B M -- Sirota, E B -- Sinha, S K -- Deutsch, M -- Cao, B H -- Kim, M W -- New York, N.Y. -- Science. 1993 Aug 20;261(5124):1018-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17739620" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 7
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    Prostacyclin stimulation of the activation of blood coagulation factor X by platelets (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-01-24
    Description: When platelets were incubated with prostacyclin, prostaglandin E1, or prostaglandin D2 at concentrations insufficient to increase the level of adenosine 3',5'-monophosphate (cyclic AMP), coagulation factor X was activated by a platelet cysteine protease. Prostacyclin or prostaglandin E1 at higher concentrations increased the cyclic AMP level and inhibited the activation of factor X by platelets. Inhibition of platelet adenylate cyclase by 2',5'-dideoxyadenosine allowed the activation of the protease at higher concentrations of the autocoids. Prostaglandins A1, A2, B1, B2, E2, F2 alpha, 6-keto-prostaglandin F1 alpha, and thromboxane B2, which do not affect platelet cyclic AMP level, did not stimulate the protease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dutta-Roy, A K -- Ray, T K -- Sinha, A K -- New York, N.Y. -- Science. 1986 Jan 24;231(4736):385-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3001935" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Alprostadil/pharmacology ; Animals ; Blood Platelets/*drug effects/metabolism/physiology ; Cattle ; Cyclic AMP/metabolism ; Deoxyadenosines/analogs & derivatives/pharmacology ; *Dideoxyadenosine/*analogs & derivatives ; Epoprostenol/*pharmacology ; Factor X/*physiology ; Humans ; Peptide Hydrolases/metabolism ; Prostaglandin D2 ; Prostaglandins/pharmacology ; Prostaglandins D/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 8
    Electronic Resource
    Electronic Resource
    Determination of free carrier concentration in n-GaInP alloy by Raman scattering (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 2515-2519 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present results of Raman scattering from coupled phonon-plasmon modes in Se-doped n-Ga0.52In048P alloy. Due to the small energy separation between the Γ- and the L-point conduction-band minima for this alloy composition, a significant fraction of the free carriers at room temperature are present in the L-conduction-band valley, giving rise to a multicomponent plasma. The carrier concentrations extracted from the Raman spectra for the different epilayers are in good agreement with the free electron concentrations determined by capacitance-voltage measurements. We employ the light scattering technique to extract the carrier concentration in the n-type emitter layer of a GaInP-based solar cell. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.360715
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  • 9
    Electronic Resource
    Electronic Resource
    Spectral sum rule for time delay in R2 (1985)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 26 (1985), S. 2796-2802 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: A local spectral sum rule for nonrelativistic scattering in two dimensions is derived for the potential class v∈L4/3 (R2). The sum rule relates the integral over all scattering energies of the trace of the time-delay operator for a finite region Σ⊆R2 to the contributions in Σ of the pure point and singularly continuous spectra.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.526704
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  • 10
    Electronic Resource
    Electronic Resource
    Phonons in epitaxially grown α-Sn1−xGex alloys (1990)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 57 (1990), S. 380-382 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present a Raman scattering study of optical phonons in α-Sn1−xGex alloys (x≤0.08) grown by molecular beam epitaxy on CdTe (100) substrates. The Raman spectra provide strong evidence for the growth of high quality films in the diamond-structure phase. The composition dependence of the Raman modes shows some qualitative differences with results from the isomorphic Ge1−xSix system. We show that these differences can be understood in terms of a simple model that considers confinement and strain effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.103698
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