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  • 1
    Keywords: Planetary science. ; Geology. ; Environmental sciences. ; Physics. ; Solar system. ; Geochemistry. ; Planetary Science. ; Geology. ; Environmental Physics. ; Space Physics. ; Geochemistry.
    Description / Table of Contents: Distortion of Local Magnetovariational Anomalies by Effect of Regional Structures -- The Features of Dead Band Amt Signal in Chukotka Region -- Role of Hall Effect in Magnetotelluric Sounding -- About Measurement of Vertical Component of Electric Field during Magnetotelluric Sounding -- Statistical Properties of the Geomagnetic Field Variations and Geomagnetically Induced Currents -- Magnetostratigraphy and Biostratigraphy of the Valanginian in the Crimean Mountains -- Magnetostratigraphy of the Maastrichtian from Volga Right Bank Area near Saratov (Lower Volga Region) -- The First Paleomagnetic Data on Lower Carboniferous Volcanics of the Central Magnitogorsk Zone in the South Urals -- Paleomagnetism and Petromagnetism of Sedimentary Rocks of the Zhuravlevka-Amur Terrane (Junction Zone between the Sikhote-Alin and Mongol-Okhotsk Orogenic Belts) -- Analysis of Strong-Field Hysteresis in High Coercivity Magnetic Minerals -- Preliminary Data on the Magnetic Properties of Fallow Soils (Zelenodolsky District, Republic of Tatarstan) -- Influence of the Choice of A Geomagnetic Polarity Time Scale on Results of the Geochronological and Geohistorical Analysis of the Marine Magnetic Anomalies.
    Abstract: This book includes the proceedings of the conference “Problems of the Geocosmos” held by the Earth Physics Department, St. Petersburg State University, Russia, every two years since 1996. Covering a broad range of topics in solid Earth physics and solar-terrestrial physics, as well as more applied subjects such as engineering geology and ecology, the book reviews the latest research in planetary geophysics, focusing on the interaction between the Earth’s shells and the near-Earth space in a unified system. This book is divided into four sections: • Exploration and Environmental Geophysics (EG), which covers two broad areas of environmental and engineering geophysics – near-surface research and deep geoelectric studies; • Paleomagnetism and Rock Magnetism (P), which includes research on magnetostratigraphy, paleomagnetism applied to tectonics, environmental magnetism, and marine magnetic anomalies; • Seismology (S), which covers the theory of seismic wave propagation, Earth’s structure from seismic data, global and regional seismicity and sources of earthquakes, and novel seismic instruments and data processing methods; and • Physics of Solar-Terrestrial Connections (STP), which includes magnetospheric phenomena, space weather, and the interrelationship between solar activity and climate.
    Type of Medium: Online Resource
    Pages: X, 352 p. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9783030217884
    Series Statement: Springer Proceedings in Earth and Environmental Sciences,
    DDC: 523.4
    Language: English
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  • 2
    Monograph available for loan
    Monograph available for loan
    Leipzig : Teubner
    Associated volumes
    Call number: MOP 3829
    In: Lehrbuch der Kernphysik
    Type of Medium: Monograph available for loan
    Pages: 914 S. : Ill., graph. Darst.
    Series Statement: Lehrbuch der Kernphysik
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    Basel [u.a.] : Birkhäuser
    Call number: M 96.0015
    Type of Medium: Monograph available for loan
    Pages: 203 S.
    ISBN: 3764350210
    Uniform Title: 200% of nothing
    Classification:
    C.1.1.
    Language: German
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 4
    Publication Date: 2021-04-16
    Description: The article develops methods and methodology for experimental studies of centrifuged and vibro-centrifuged concrete products of annular cross-section. They assess the real variatropy of the structure and confirm the correctness of the accepted research. An original technique for experimental studies of the variatropy of the cross-sections of vibrated, centrifuged and vibro-centrifuged concretes is proposed to determine their integral (common) and differential (differing in layers) strength and strain characteristics and deformation diagrams. It has been proved that with vibro-centrifugation it becomes possible to obtain concretes with improved structure and higher characteristics compared with centrifugation and vibration techniques. Experimental studies of the differential characteristics of centrifuged and vibro-centrifuged concretes under compression and tension revealed that the outer layer of concrete had the best characteristics after centrifugation and vibro-centrifugation, and the inner layer had the worst ones. The three-layer model of the variatropic structure for centrifuged and vibro-centrifuged concrete has been experimentally confirmed. The concrete of the outer layers had the highest strength and modulus of elasticity and the least deformability; the concrete of the inner layers had the lowest strength and modulus of elasticity and the highest deformability; and the concrete of the middle layers had average characteristics. The deformation diagrams of centrifuged and vibro-centrifuged concretes were also differentiated by layers, confirming the variatropy of the structure of such concretes. The deformation diagrams for the outer concrete layer demonstrated the highest strength; the diagrams for the inner concrete layer showed the lowest strength; and the diagrams for the middle concrete layer corresponded to mean characteristics.
    Electronic ISSN: 2076-3417
    Topics: Natural Sciences in General
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  • 5
    Publication Date: 2023-06-27
    Description: Concentrations, hydrogen (δ2H) and carbon isotopes (δ13C) of highly branched isoprenoids (HBIs) from surface sediment samples from 12 lakes in the Adirondack region in New York. To understand the relationship between HBIs and source water, we measured the δ2H of lake water in addition to the δ2H of HBIs. HBIs were isolated using column chromatography, and were identified and quantified using an Agilent 7890A gas chromatograph (GC) coupled with an Agilent 5975C quadrupole mass selective detector (MSD). Compound specific carbon and hydrogen isotopes of the HBIs were measured using a Thermo Trace GC Ultra coupled to an Isolink pyrolysis reactor and interfaced to a Thermo Electron Delta V Advantage IRMS. Water isotopes were measured on either a Picarro L2130-i cavity ring-down spectrometer water isotope analyzer or GasBench-IRMS.
    Keywords: Adirondacks, New York, USA; ADK1-DEBAR; ADK1-EPINE; ADK1-HOPE; ADK1-HSHOE; ADK1-LGRN; ADK1-MOOSE1B; ADK1-MSE2A; ADK1-MSE3A; ADK1-SKR; ADK2-CHAZY; ADK2-EPL17-10A; ADK2-EPL17-10B; ADK2-EPL17-11A; ADK2-EPL17-15A; ADK2-EPL17-16A; ADK2-EPL17-17A; ADK2-EPL17-18A; ADK2-EPL17-19A; ADK2-EPL17-20A; ADK2-EPL17-21A; ADK2-HRT; ADK2-HRT17-3A; ADK2-HRT17-4A; ADK2-HRT17-5A; ADK2-MSE17-1A; ADK2-MSE17-2A; ADK2-MSE17-3A; ADK2-MSE17-4A; ADK2-MSE17-5A; ADK2-QVR; ADK2-RQT; ADK2-WOLF; aquatic biomarkers; Cavity ring-down spectroscopy (CRDS), L2130-i, Picarro Inc.; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; DEPTH, water; EPL-11; EPL-12; Event label; Gas chromatograph (Agilent GC 7890) with a quadrupole mass selective detector (MSD, Agilent 5975C ); GC; Gravity corer; highly branched isoprenoids; Highly branched isoprenoids C20, δ13C; Highly branched isoprenoids C20, δD; Highly branched isoprenoids per unit sediment mass; HRT-10; HRT-14; HRT-16; HRT-6-2; HRT-7; HRT-9; Hydrogen isotopes; Lake; lake diatoms; MSE-18; MSE-19; MSE-20; MSE-21; MSE-22; MSE-23; MSE-24; MSE-25; MSE-26; Observation; Organic Geochemistry; paleohydrology; PC; Piston corer; Sample ID; ThermoFisher Scientific Trace GC coupled to a pyrolysis reactor (Isolink) and interfaced to a Thermo Electron Delta V Advantage IRMS; δ18O, water; δ Deuterium, water
    Type: Dataset
    Format: text/tab-separated-values, 604 data points
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  • 6
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 70 (1991), S. 906-913 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: At low oxygen potentials, YBa2Cu3O7−x decomposes by chemical reactions involving reduction. The results of this study show that the compound also decomposes at higher oxygen potentials. The initial decomposition products were found to be Y2BaCuO5 and a Ba-Cu oxide phase. The Ba-Cu phase was found to be a peroxide-type and the decomposition can be described by a chemical reaction involving oxidation: 4(YBa2Cu3O7−x)+(1/2 − 3/2δ +2x)O2(arrow-right-and-left)2Y2BaCuO5+3Ba2Cu3O6−δ+CuO. At 800 °C the equilibrium pressure for this reaction is slightly 〈1 bar, and the enthalpy change is ∼80-kJ/mol Y123. This result is not consistent with the conclusions drawn from some other studies of the stability of the superconducting Y-Ba-Cu-O compounds, and the differences are discussed.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Westerville, Ohio : American Ceramics Society
    Journal of the American Ceramic Society 80 (1997), S. 0 
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The effects of niobium doping on the hysteresis parameters of sol—gel Pb1.1−(x/2)(Zr0.53Ti0.47)1−xNbxO3 (0, x, 0.05) have been reported for two sets of films with analogous grain size and degree of (111) texture but with different surface microstructures. For both sets, a strong continuous decay of the remnant and maximum polarizations and slope of the hysteresis loop at the coercive field was observed with increasing niobium concentration. The field dependence of the remnant polarization for any given niobium-doped film was identical to the functional field dependence of the undoped reference film, if multiplied by a niobium-concentration-dependent constant. Although the maximum and remnant polarizations decayed as the dopant level increased, their difference remained the same value as that of the undoped film at any given field. The width of the loop (at zero polarization) was insensitive to the niobium concentration at any given field. A linear increase in coercive field asymmetry (up to 40 kV/cm) was observed with niobium addition, yet was field independent and, thus, electrostatic in origin. Niobium governed switching through a reduction of the number of switching domains, without changing the total lattice polarization response. Microstructure-related effects on switching, such as decreased volume fraction of ferroelectric material or field-screening effects due to the presence of a pyrochlore second phase, were eliminated as the origin of the hysteresis changes. This paper has demonstrated how hysteresis features and their field dependencies can be used to separate the effects of niobium-induced microstructural changes from niobium lattice doping influences on the hysteresis loops.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have directly and passively generated a 290-nm, 600-ps pulse train from a Ce:LiCAF laser pumped by the fourth harmonic of a conventional 10-ns Q-switched Nd:YAG laser. This simple, all-solid-state, short-pulse laser has been realized by employing a recently studied, self-injection-seeding pulse-train generation scheme using Ce:LiCAF, a tunable ultraviolet laser medium. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 519 (1987), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 99 (1995), S. 10246-10250 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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