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  • 11
    Electronic Resource
    Electronic Resource
    Synthesis of 1-Methyl-trans-2-decalone and 2,3,4,4a,4b,5,6,7,8,8a,9,10-Dodecahydro-2-phenanthrone (1955)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 77 (1955), S. 408-410 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01607a054
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  • 12
    Electronic Resource
    Electronic Resource
    Surface wave and lithospheric structure across the northwestern part of the Indian peninsula (1991)
    Springer
    Pure and applied geophysics 135 (1991), S. 53-59 
    Details
    ISSN: 1420-9136
    Keywords: Surface wave ; lithospheric structure ; Indian peninsula
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Group velocities of fundamental mode Rayleigh and Love waves have been obtained across the central highlands in the northwestern part of the Indian peninsula and across the plateau region of the peninsula. Such data across the latter region were also obtained earlier and revealed model lithosphere IP11 for this region. Data of the two regions are similar and show that the lithospheric model IP11 continues from the plateau region to the central highlands. The model IP11 has been verified by comparing observed Love wave forms with synthetics ones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00877008
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  • 13
    Electronic Resource
    Electronic Resource
    Reservoir associated characteristics using deterministic chaos in Aswan, Nurek and Koyna reservoirs (1995)
    Springer
    Pure and applied geophysics 145 (1995), S. 209-217 
    Details
    ISSN: 1420-9136
    Keywords: Earthquakes ; strange attractor ; deterministic chaos ; reservoir
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Nurek, Aswan and Koyna reservoirs were affected by moderate earthquakes with continuing seismic activity. Microearthquake data recorded through local networks have been used to determine the strange attractor dimensions, using deterministic chaos which were found as 7,2, 3.8 and 4.8, respectively. This would imply that while 8 parameters are needed to model earthquakes near Nurek reservoir, only 4 to 5 parameters are needed for the Aswan and Koyna regions. The differences in the strange attractor dimension suggest them to be a measure of seismotectonics around such reservoirs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00879495
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  • 14
    Electronic Resource
    Electronic Resource
    Determination of source duration and moment of earthquakes in the Indian Peninsula using love waveforms (1996)
    Springer
    Pure and applied geophysics 147 (1996), S. 497-514 
    Details
    ISSN: 1420-9136
    Keywords: Seismic moment ; source duration ; Love waveforms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Love waves recorded by a long-period seismograph at New Delhi (NDI) from seven earthquakes of magnitude 4.3 to 5.2 in Koyna and Bhatsa on the western coast and one earthquake in Ongole on the eastern coast of the Indian Peninsula have been used to determine the seismic moment for each of the earthquakes by waveform modeling. Transverse component of the synthetic seismogram shows that the maximum amplitude of waveform decreases with an increase of source duration. Thus for an evaluation of the seismic moment by equating the amplitude level of the observed and synthetic waveforms, we must know the source duration. The synthetic seismogram also indicates that a short source duration gives rise to a small but sharp pulse and this pulse is interpreted as anLg wave. Comparison of the observed and synthetic waveforms has been used for a simultaneous evaluation of the source duration and seismic moment. The source durations are found to vary between 2.2 and 4.4 s; for earthquakes with a magnitude range between 4.3 and 5.2 these durations are slightly higher than normal. We obtain moment (M 0) of Ongole earthquake (M L =5.1)as 1.7×1024 dyne-cm; moments of Koyna and Bhatsa earthquakes (4.3≤M L ≤5.2) on the western coast lie between 0.7×1023 and 3.6×1023 dyne-cm. Moment (M 0)-magnitude (M L ) relation logM 0=1.5M L +16.0 for the western United States region agrees as well, in general, with the results for the earthquakes in the Indian Peninsula.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00878841
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  • 15
    Electronic Resource
    Electronic Resource
    Rayleigh wave dispersion equation for a layered spherical earth with exponential function solutions in each shell (1996)
    Springer
    Pure and applied geophysics 147 (1996), S. 515-536 
    Details
    ISSN: 1420-9136
    Keywords: Spherical earth ; heterogeneous shells ; Rayleigh waves ; dispersion equation ; decoupling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract We consider the second-order differential equations ofP-SV motion in an isotropic elastic medium with spherical coordinates. We assume that in the medium Lamé's parameters λ, μ ∞r p and compressional and shear-wave velocities α, β ∞r, wherer is radial distance. With this regular heterogeneity both the radial functions appearing in displacement components satisfy a fourth-order differential equation which provides solutions in terms of exponential functions. We then consider a layered spherical earth in which each layer has heterogeneity as specified above. The dispersion equation of the Rayleigh wave is obtained using the Thomson-Haskel method. Due to exponential function solutions in each layer, the dispersion equation has similar simplicity, as in a flat-layered earth. The dispersion equation is further simplified, whenp=−2. We obtain numerical results which agree with results obtained by other methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00878842
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  • 16
    Electronic Resource
    Electronic Resource
    Exact solutions ofSH wave equation in transversely isotropic inhomogeneous elastic media (1972)
    Springer
    Pure and applied geophysics 93 (1972), S. 19-35 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary TheSH wave equation in a transversely isotropic inhomogeneous elastic medium, where the elastic parameters and density are functions of vertical coordinate, is considered. A general procedure is given for finding the inhomogeneities for which the equation can be solved in terms of hypergeometric, Whittaker, Bessel and exponential functions. A few simple inhomogeneities and the corresponding solutions in terms of these transcendental functions are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00875218
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  • 17
    Electronic Resource
    Electronic Resource
    Microseisms: Its dependence on the movement of the source (1967)
    Springer
    Pure and applied geophysics 67 (1967), S. 33-42 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary The displacements on the free surface of a homogeneous isotropic semi-infinite medium has been obtained assuming a moving normal stress on the surface. It has been studied how the displacements behave with (1) the direction of propagation of the source with respect to the recording station and (2) the velocity of the source.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00880559
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  • 18
    Electronic Resource
    Electronic Resource
    Love wave dispersion: A comparison of results for a semi-infinite medium with inhomogeneous layers and for its approximation by homogeneous layers (1976)
    Springer
    Pure and applied geophysics 114 (1976), S. 1021-1029 
    Details
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Love wave dispersion in various semi-infinite media consisting of inhomogeneous layers is discussed. The phase and group velocities are computed when shear wave velocity and density in each inhomogeneous layer are varying exponentially with depth. At the beginning one or two inhomogeneous layers over a homogeneous semi-infinite medium are considered. The dispersion results for these structures are compared with those for their approximations with homogeneous layers. Comparisons show that differences of phase and group velocities for the original models from those for their approximated models (i) increase with the increase of wave number and (ii) are larger for group velocity than for phase velocity. The difference is approximately proportional to the rate of change of parameters in the layers. Finally, dispersion curves are obtained for model IP3MC, which consists of many inhomogeneous and homogeneous layers over a homogeneous semi-infinite medium. The results are compared with the observed group velocity data across the Indian Peninsula.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00876200
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  • 19
    Electronic Resource
    Electronic Resource
    Stress by restraining potentiates morphine catalepsy in rats (1985)
    Springer
    Cellular and molecular life sciences 41 (1985), S. 1542-1543 
    Details
    ISSN: 1420-9071
    Keywords: Immobilization-induced stress ; morphine catalepsy ; rat brain ; serotonin ; acetylcholine ; prostaglandins ; dopamine ; naloxone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Restraint-induced stress potentiated morphine catalepsy in rats. This potentiation was partially antagonized by pharmacologic treatments decreasing central serotonin, acetylcholine, prostaglandins and by naloxone. Selective increase in central dopamine also inhibited the potentiation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01964797
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  • 20
    Electronic Resource
    Electronic Resource
    Thyroid hormone binds to human corpus leteum (1988)
    Springer
    Cellular and molecular life sciences 44 (1988), S. 1005-1007 
    Details
    ISSN: 1420-9071
    Keywords: Thyroid hormone ; human corpus luteum ; triiodothyroinine binding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A high affinity, low capacity 3,5,3′-triiodo-L-thyroinine (T3) specific binding was detected in the nuclei preparation from human corpus luteal nuclei by using an in vitro thyroid hormone binding assay. The bound hormone was effixciently separated from free hormone by the use of 40% polyetrhylene glycol. Under standardized assay conditions of pH 8.6 at 37°C and a 2-h incubation time, the binding in the corpus luteal nuclei was saturable with Kd 4.94×10−10 M with low maximum binding capacity (1.70 p. mol/mg DNA). Competitive binding studies with hormone analogues indicated that T3 binding to corups luteal nuclei is hormone-specific. Findings indicated a driect effect of thyroid hormone on the human corpus leteum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01939903
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