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Browsing by Title
Now showing items 11788-11807 of 39124
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(2002)Noble gases within the crust originate from three main sources: the atmosphere, introduced into the crust dissolved in groundwater; the mantle, in regions of magmatic activity; and those produced in the crust by the result ...
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(1997)This work aims to highlight the relationship between primary productivity, sulphate reduction and organic carbon preservation in cyclic marine sediments from the Kimmeridge Clay Formation. A concomitant increase of the ...
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(PANGAEA, 1990-04-04)Isotopic analysis of organic matter from bottom sediments and soft tissues of bivalve Conchocoele from a community near the gas-hydrate seep off the Paramushir Island indicates that the intramolecular energy of energy-rich ...
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(1999)Stress during volcanic crises is high, and any friction between scientists can distract seriously from both humanitarian and scientific effort. Friction can arise, for example, if team members do not share all of their ...
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(PANGAEA, 2012-07-26)We investigated gas bubble emissions at the Don-Kuban paleo-fan in the northeastern Black Sea regarding their geological setting, quantities as well as spatial and temporal variabilities during three ship expeditions between ...
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(1996)Cross sections of two Mercenaria mercenaria shells, one modern and one Pleistocene, and one modern Spisula solidissima shell were analyzed for trace metals using laser ablation-inductively coupled plasma-mass spectrometry ...
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(2000)The state of adiabaticity in the mantle can be assessed by using the Bullen parameter profile derived from seismology. We have employed the extended-Boussinesq convection models in a cartesian 2-D domain to extract the ...
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PROFOUND CHANGES IN THE CHEMICAL COMPOSITION OF NATURAL GASES OF KIRGHIZIA PRIOR TO SEISMIC EVENTS (1989)The gas component of groundwater-gas systems is the most mobile component of subsurface fluids, and responds actively to geodynamic phenomena. It has been demonstrated that anomalous behavior of the chemistry and isotopic ...
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(Федеральное государственное автономное образовательное учреждение высшего образования «Дальневосточный федеральный университет», 2013)A method of mathematical determination of the model parameters of rock mass zone destruction in the conditions of great depths has been developed as a result of experiments with rock samples. The characteristics of zonal ...
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(1972)
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(2001)ESR dating has been widely applied for dating of corals of the age up to 500,000 to 600,000 years ago. Many studies have yielded promising results but the accurate determination of the equivalent dose (DE) remains a major ...
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(2003)The microboudin method for palaeo-stress analysis is mathematically refined by incorporating the recently proposed shear-lag model, which describes the relationship between stress distribution along a fibre embedded within ...
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(2003)Electrochemical cells are reviewed and a new design is evaluated for potentiometric pH measurements to above 300 °C. The new design system minimizes the effects of metal corrosion on measured pH. In addition, a recently ...
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(2002)Experiments with scaled, viscous pitch models demonstrate successive stages of growth (Stages I, II and III) of a ductile orogenic wedge with progressive deformation, which are kinematically as well as dynamically distinct ...
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(1996)The Pliocene (7 Ma) Nb-enriched arc basalts of the Valovayam Volcanic Field (VVF) in the northern segment of Kamchatka arc (Russia) host abundant xenoliths of spinel peridotites and pyroxenites. Textural and microstructural ...
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(2003)This work generalizes international and Russian experience in the deep processing of complex refractory ores of precious metals, which provides end products competitive with respect to technological, economic, and ecological ...
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(2002)Two species of the genus Prolagus, P. sorbinii Masini (Early Ruscinian) and P. bilobus Heller (Late Ruscinian), are determined from the Pliocene of Ukraine and Moldova for the first time. Prolagus fossils from the Upper ...
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(2003)One-dimensional Maxwell's equations with relaxation are solved using the Laguerre time series. Space derivatives are obtained by difference approximation of the fourth order of accuracy. The equations reduce to a harmonic ...
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(1989)The initial phase of tectonic stress wave propagation was analyzed earlier where its regional nature was emphasized. The data indicate that an anomalous compressive deformation lasting 3 years occurred simultaneously in ...
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(2003)Field observations are tested against modal propagation theory to find the practical limitations upon derivation of layer permittivities and signal attenuation rates from a radar moveout profile over two‐layer ground. A ...
Now showing items 11788-11807 of 39124