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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
    Construction of nested balanced block designs, rectangular designs andq-ary codes (1999)
    Springer
    Annals of combinatorics 3 (1999), S. 71-80 
    Details
    ISSN: 0219-3094
    Keywords: 05B05 ; q-ary codes ; nested BIB design
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Construction of nested balanced incomplete block (BIB) designs, nested balanced ternary designs and rectangular designs from given nested BIB designs and resolvable BIB designs are described. New constructions ofq-ary codes from nested BIB designs and balanced bipartite weighing designs are also given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01609877
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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
    Insulin secretion at high altitude in man (1986)
    Springer
    International journal of biometeorology 30 (1986), S. 231-238 
    Details
    ISSN: 1432-1254
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract The effect of hypoxia on circulatory levels of insulin, its response to oral glucose administration (100 g) and changes in circadian rhythms of glucose as well as insulin were evaluated in euglycemic males at sea level (SL, 220 m) during their stay at high altitude (3500 m, SJ) and in high altitude natives (HAN). Basal glucose levels were not altered at high altitude but the rise in glucose (δ glucose) after glucose load was significantly higher in SJ and HAN (p〈0.01) as compared to SL values. An increase (p〈0.01) both in basal as well as glucose induced rise in insulin secretion (δ insulin) was observed at HA. The rise in insulin in SJ was significantly higher (p〈0.01) than in HAN. This elevation in glucose and insulin levels was also evident at different times of the day. The circadian rhythmicity of glucose as well as insulin was altered by the altitude stress. The findings of the study show a rise in insulin level at HA but the hyperglycemia in the face of hyper-insulinism require the presumption of a simultaneous and dispropotionate rise of insulin antagonistic hormones upsetting the effect of insulin on glucose metabolism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02189466
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  • 10
    Electronic Resource
    Electronic Resource
    Comparative study of acetazolamide and spironolactone on body fluid compartments on induction to high altitude (1986)
    Springer
    International journal of biometeorology 30 (1986), S. 33-41 
    Details
    ISSN: 1432-1254
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract Studies were conducted on 29 male healthy subjects having no previous experience of living at high altitude. These subjects were divided into three groups, i.e., subjects treated with placebo, acetazolamide and spironolactone. These subjects were first studied in Delhi. The drug schedule was started 24 hour prior to the airlift of these subjects to an altitude of 3,500 m and was continued for 48 hour after arrival at high altitude. Total body water, extra cellular water, plasma volume, blood electrolytes, pH, pO2, pCO2 and blood viscosity were determined on 3rd and 12th day of their stay at high altitude. Total body water, extra cellular water intracellular water and plasma volume decreased on high altitude exposure. There was a further slight decrease in these compartments with acetazolamide and spironolactone. It was also observed that spironolactone drives out more water from the extracellular compartment. Loss of plasma water was also confirmed by increased plasma osmolality. Increase in arterial blood pH was noticed on hypoxic exposure but the increase was found less in acetazolamide and spironolactone cases. This decrease in pH is expected to result in better oxygen delivery to the tissues at the low oxygen tension. It was also confirmed because blood pO2 increased in both the groups. No significant change in plasma electrolytes was observed in subjects of various groups. Blood viscosity slightly increased on exposure to high altitude. The degree of rise was found less in the group treated with spironolactone. This study suggests that both the drugs are likely to be beneficial in ameliorating/prevention of AMS syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02192056
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