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Now showing items 16716-16735 of 43490
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(1988)An important property of a deformable solid is that it can store energy, as, for example, in the form of the potential energy of bulk deformation; this energy can be applied from without by a mechanical or thermal agency, ...
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(1987)Hydrated iron sulfates identified as melanterite, rozenite, szomolnokite and halotrichite have been observed growing on iron sulfides in polished and rough-cut surfaces of samples of Ohio and Utah coals stored under normal ...
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(2002)The dielectric permittivity was measured in the frequency range from 5 to 13 MHz for artificial, laboratory-made solid samples of gypsum with different water contents. The measurements were made on distilled water and three ...
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(2000)The state of dehydroxylation was studied after heating a homoionic and cv montmorillonite at various temperatures for different times. Spontaneous rehydroxylation occurred under ambient conditions at a relative humidity ...
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SPONTANEOUS STRAIN VARIATIONS THROUGH THE LOW TEMPERATURE PHASE TRANSITIONS OF DEUTERATED LAWSONITE (2003)High resolution neutron powder diffraction has been used to determine lattice parameter variations of deuterated lawsonite across the Cmcm ↔ Pmcn and Pmcn ↔ P21cn phase transitions, in the temperature interval 1.6–505 K. ...
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(2004)The developed concept of spontaneous structure formation and classification of structures formed on DME (digital matrix of events) objects is described. The suggested method (alternative to traditional structure-formation ...
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(2002)Ten spore-and-pollen assemblages and nine phytoplankton assemblages (dinocysts, green algae, acritarchs) are distinguished in upper Sarmatian-lower Kimmerian deposits of the reference section situated in the Zheleznyi Rog ...
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(2004)The exine ultrastructures of pollen extracted from sporangia of Loricanthus resinifer and Baisianthus ramosus from the Early Cretaceous Baisa locality (eastern Transbaikalia) were examined. The pollen are small, with a ...
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(2006)Tropical cyclones (typhoons, hurricanes) are the largest and most destructive natural whirls arising from the interchange of energy between the ocean and atmosphere. Hurricanes are a primary subject of investigation in the ...
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(2004)The MDSW represents a powerful and the most significant factor responsible for ventilation (consequently, formation and variability) of the intermediate water mass of the North Pacific. The main purpose of this work is a ...
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(2004)The water mass spreading observed in the study region suggests the following conclusions. First, the Kruzenshtern Strait represents a stable source of the NPW for the Sea of Okhotsk and only small SOW quantities can enter ...
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(2004)Spriggite, Pb3[(UO2)6O8(OH 2](H2O)3, is a new hydrated Pb uranyl oxyhydroxide found near Arkaroola, Northern Flinders Ranges, South Australia. The new mineral's name honors geologist and conservationist Reginald Claude ...
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(2002)The use of geophysics in shallow investigations, such as in environmental, geotechnical and hydrogeological studies requires the development of fast, reliable, high-resolution field and interpretation techniques.When ...
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(1994)We report measurements on a suite of well preserved sedimentary carbonates from Lower Cambrian strata of the Lena River region of Siberia. Stable isotopes and major and trace element chemistry have been used to identify ...
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(2006)Upper Eocene impact ejecta has been discovered all over the world. The number of upper Eocene impact layers and the geographic distribution of each layer, based on major chemical composition and biostratigraphic data, are ...
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(1995)Chemical diffusion of Sr and Nd has been measured in natural titanite under anhydrous conditions. The diffusing species were introduced via powder sources containing Sr or Nd. Concentration profiles were measured by the ...
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(2006)The Francistown plutonic rocks at the south-western margin of the Zimbabwe craton consist of three igneous suites: Sanukitoid, Tonalite–Trondhjemite–Granite (TTG) suites and High-K granites. The TTG suite is subdivided ...
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(2003)The presented Rb-Sr systematics of carbonates from the Karatau Group, the Upper Riphean stratotype of southern Urals, elucidates important details of secular variations of 87Sr/86Sr ratios in the Late Riphean seawater, ...
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(2006)The 87Sr/86Sr ratios and Sr concentrations in sediment and pore fluids are used to evaluate the rates of calcite recrystallization at ODP Site 807A on the Ontong Java Plateau, an 800-meter thick section of carbonate ooze ...
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(2001)The Seoguipo Formation, Cheju Island, Korea is a shallow-marine to nonmarine sedimentary formation formed by the earliest stage of volcanism and simultaneous volcanogenic sedimentation of the island. The formation contains ...
Now showing items 16716-16735 of 43490