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  • 1
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    Unknown
    Component parts of the World Heat Flow Data Collection
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Area/locality; Conductivity, average; ELEVATION; Heat flow; LATITUDE; LONGITUDE; Method comment; Number; Number of conductivity measurements; Sample, optional label/labor no; Temperature gradient
    Type: Dataset
    Format: text/tab-separated-values, 160 data points
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    DATA PANGAEA
  • 2
    Electronic Resource
    Electronic Resource
    On Chinese earthquake history — An attempt to model an incomplete data set by point process analysis (1979)
    Springer
    Pure and applied geophysics 117 (1979), S. 1229-1257 
    Details
    ISSN: 1420-9136
    Keywords: Earthquake recurrence ; Seismicity patterns ; Tectonics of China
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Since the 1950s, the Academia Sinica in Peking, People's Republic of China, has carried out extensive research on the Chinese earthquake history. With a historical record dating back some 3000 years, a wealth of information on Chinese earthquakes exists. Despite this monumental undertaking by the Academia Sinica, much work is still necessary to correct the existing earthquake data for historical changes in population, customs, modes of communication, and dynasties. In this paper we report on the status of our investigation of Chinese earthquake history and present some preliminary results. By applying point process analysis of earthquakes in ‘Central China’, we found suggestions of (1) lower earthquake activity at intervals of about 175 years and 375 years, and (2) higher earthquake activity at an interval of about 300 years.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00876217
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Spatial variation of crustal codaQ in California (1988)
    Springer
    Pure and applied geophysics 128 (1988), S. 251-260 
    Details
    ISSN: 1420-9136
    Keywords: Coda ; attenuation ; scattering
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Coda wave data from California microearthquakes were studied in order to delineate regional fluctuations of apparent crustal attenuation in the band 1.5 to 24 Hz. Apparent attenuation was estimated using a single back scattering model of coda waves. The coda wave data were restricted to ≤30 s following the origin time; this insures that crustal effects dominate the results as the backscattered shear waves thought to form the coda would not have had time to penetrate much deeper. Results indicate a strong variation in apparent crustal attenuation at high frequencies between the Franciscan and Salinian regions of central California and the Long Valley area of the Sierra Nevada. Although the codaQ measurements coincide at 1.5 Hz (Q c =100), at 24 Hz there is a factor of four difference between the measurements made in Franciscan (Q c =525) and Long Valley (Q c =2100) with the Salinian midway between (Q c =900). These are extremely large variations compared to measures of seismic velocities of comparable resolution, demonstrating the exceptional sensitivity of the high frequency codaQ measurement to regional geology. In addition, the frequency trend of the results is opposite to that seen in a compilation of codaQ measurements made worldwide by other authors which tend to converge at high and diverge at low frequencies, however, the worldwide results generally were obtained without limiting the coda lengths and probably reflect upper mantle rather than crustal properties. Our results match those expected due to scattering in random media represented by Von Karman autocorrelation functions of orders 1/2 to 1/3. The Von Karman medium of order 1/3 corresponding to the Franciscan codaQ measurement contains greater amounts of high wavenumber fluctuations. This indicates relatively large medium fluctuations with wavelengths on the order of 100 m in the highly deformed crust associated with the Franciscan, however, the influence of scattering on the codaQ measurement is currently a matter of controversy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01772599
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  • 4
    Electronic Resource
    Electronic Resource
    Comparison of techniques that use the single scattering model to compute the quality factorQ from coda waves (1991)
    Springer
    Pure and applied geophysics 135 (1991), S. 77-89 
    Details
    ISSN: 1420-9136
    Keywords: CodaQ ; attenuation ; scattering ; coda waves ; seismic waves
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Using simulated coda waves, the resolution of the single-scattering model to extract codaQ (Q c ) and its power law frequency dependence was tested. The back-scattering model ofAki andChouet (1975) and the single isotropic-scattering model ofSato (1977) were examined. The results indicate that: (1) The inputQ c models are reasonably well approximated by the two methods; (2) almost equalQ c values are recovered when the techniques sample the same coda windows; (3) lowQ c models are well estimated in the frequency domain from the early and late part of the coda; and (4) models with highQ c values are more accurately extracted from late code measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00877010
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  • 5
    Electronic Resource
    Electronic Resource
    Micromachining program status at the SRRC (1997)
    Springer
    Microsystem technologies 4 (1997), S. 12-16 
    Details
    ISSN: 1432-1858
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Technology
    Notes: Abstract  This paper describes the micromachining program status of the micromachining laboratory at the SRRC. A preliminary LIGA process has been established. Many joint projects with local and foreign institutes to develop devices for domestic industries have been started. The interests in the application of the LIGA technology is continuously growing in Taiwan. Two-millimeter ultra-deep microstructures have been achieved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005420050083
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  • 6
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary X-ray diffraction studies of piratoxin II, a phospholipase A2 isolated from the venom of Bothrops pirajai (1998)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 54 (1998), S. 1437-1439 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The phospholipases A2 (PLA2, E.C. 3.1.1.4, phosphatide sn2 acylhydrolases) are the major components of the venom of several snakes. They are responsible for several important pharmacological effects observed in ophidian incidents. PLA2 piratoxin II from Bothrops pirajai has been crystallized by the vapour-diffusion technique. X-ray diffraction data have been collected to 2.04 Å resolution (90.2% complete, Rmerge = 0.070). The space group is P21 and the cell parameters are a = 46.19, b = 60.36, c = 58.74 Å and β = 96.05°. The structure has been solved by molecular replacement using the crystallographic structure of PLA2 from Bothrops asper (PDB code 1CLP) as a search model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444998007082
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  • 7
    Electronic Resource
    Electronic Resource
    Crystallization and preliminary diffraction data of neurotoxin Ts-γ from the venom of the scorpion Tityus serrulatus (1998)
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 54 (1998), S. 1440-1441 
    Details
    ISSN: 1399-0047
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Scorpion neurotoxin Ts-γ was isolated from Tityus serrulatus venom and purified to apparent homogeneity by ion-exchange HPLC. Crystals of the toxin were grown using polyethylene glycol 6000 as precipitant and were found to belong to the monoclinic space group P21 with cell parameters a = 22.20, b = 36.90, c = 31.57 Å, β = 100.85°. The crystals diffract beyond 1.73 Å resolution at a synchrotron beamline, being notably stable during X-ray exposure. The structure has been solved by molecular replacement using the very high resolution structure of Sahara scorpion Androctonus australis Hector (PDB code 1AHO) as a search model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0907444998007197
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  • 8
    Electronic Resource
    Electronic Resource
    Ultrasonic Velocity in Aqueous Silver Nitrate Solution (1961)
    [s.l.] : Nature Publishing Group
    Nature 191 (1961), S. 1388-1389 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Variation of ultrasonic velocity witti concentration in a queous solutions of electrolytes. O, Silver nitrate; A, ammonium nitrate Although the suggested explanations2-4 in terms of heavy radicals or complex ions may be correct, it is clear that the parameters directly responsible for the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1911388a0
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  • 9
    Electronic Resource
    Electronic Resource
    Preliminary Heat-Flow Profile across the Atlantic (1962)
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 975-975 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The results indicate a variation by a factor of about twenty, from 0-3 to 6-5 x 10~6 cal/cm2 sec. High values occur in a belt 200 km wide on the crest of the Mid-Atlantic Ridge and low values are found on its flanks, forming a heat-flow pattern similar to that of the East Pacific Rise3. Table 1. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/196975a0
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  • 10
    Electronic Resource
    Electronic Resource
    Integration of cell cycle control with transcriptional regulation by the retinoblastoma protein
    Amsterdam : Elsevier
    Current Opinion in Cell Biology 5 (1993), S. 194-200 
    Details
    ISSN: 0955-0674
    Keywords: CDK-cyclin-dependent kinase ; RCE-Rb control element ; Rb-retinoblastoma protein
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0955-0674(93)90102-V
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