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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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    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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    PAPER CURRENT
  • 6
    Electronic Resource
    Electronic Resource
    Vacancy Distribution and Bonding in Some Oxides of Spine1 Structure (1957)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 61 (1957), S. 758-761 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150552a013
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  • 7
    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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  • 8
    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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  • 9
    Electronic Resource
    Electronic Resource
    Electronic Configuration of Cations in some Distorted Spinels (1958)
    [s.l.] : Nature Publishing Group
    Nature 181 (1958), S. 835-836 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In what follows the observed electronic configuration of cations in a few cases is examined in the light of these schemes. The analysis of the available magnetic data for Mn2+[Mn|+]OJ~ and for the y-oxide (MnJ+Ofr) showed that Mn3+ (d*) ions at octahedral sites in both the substances have four ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/181835b0
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  • 10
    Electronic Resource
    Electronic Resource
    The time path of the marginal cost of oil: The turning point and the subsequent upward drift (1996)
    Springer
    Annals of operations research 68 (1996), S. 409-422 
    Details
    ISSN: 1572-9338
    Keywords: Depletable non-renewable resources ; marginal cost ; technological progress ; depletion of reserves ; constrained least squares regression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Economics
    Notes: Abstract The gradual exhaustion of existing deposits of a depletable non-renewable resource such as oil tends to shift the supply price curve of the resource upwards, increasing its marginal cost. Advances in technologies for exploration and production act as a brake on such upward shifts. Thus, there is a tug-of-war between the gradual exhaustion of existing deposits and technological progress. Using a recently developed constrained least-squares regression technique, we demonstrate that technological progress was the dominant force of the two during the first part of this century, causing a secular drop in marginal costs, but that this situation eventually was reversed, and that the gradual exhaustion of deposits gained the upper hand, causing marginal costs to increase. The turning point occurred around 1971–72. We also discuss the forecasting of the possible current upward drift of marginal costs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02207224
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