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Browsing by Title
Now showing items 19614-19633 of 43490
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(2003)The mineral composition of uranium blacks was studied using analytical transmission electron microscopy based on selected-area electron diffraction. The stages of formation of mineralogical zoning in supergene profiles of ...
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(2006)The Paleoproterozoic Sioux Basin and the Baraboo, Barron, Flambeau, McCaslin, and Waterloo quartzites in northcentral USA are all supermature quartz arenites that are among the world's oldest redbeds. These quartzites were ...
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(2006)The most powerful and determinant step affecting the efficiency and economy of a quarry is the rock fragmentation by blasting techniques. Economic investigations, considering sequential costs prove that blasting techniques ...
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(2002)Satellite radar altimetry is the most important data source for ice sheet elevation modeling but it is well established that the accuracy of such data from satellite borne radar altimeters degrade seriously with increasing ...
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(2002)Discusses the use of miller indices in the description of crystals. Definition of the miller indices; Significance of indices for the description of the geometry of crystals; Application of indices for the description of ...
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(2001)The determination of ground surface temperature history (GSTH) from present borehole temperature defines an ill-posed inverse problem for which the required regularization must reflect the stochastic properties of both ...
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(1999)Possibilities are discussed for the fast determination of seismic velocities in ocean-continent transition zones based on recordings of oceanic earthquakes, where a third phase (T-phase) arrives besides the ordinary P and ...
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(2002)The characteristics of an end-member formula are defined as follows: (1) the chemical formula must be fixed no variable chemical components are possible (2) the end-member formula must be compatible with the crystal structure ...
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(2003)As many particle-associated contaminants and nutrients are supply controlled, the question of particle source is crucial. In addition, sediment storage has important implications for the delivery and fate of pollutants. ...
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(1996)This article is intended to evaluate the probabilities of occurrence of mainshocks immediately after the occurrence of possible foreshocks and propose an optimal prediction algorithm based on possible foreshocks along the ...
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(2006)Palynological analysis of the organic contents of ceramic pots from the Kodiani burial mound, which is dated as 27th-25th centuries B.C., revealed that they contained honey. The samples are extremely rich in excellently ...
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(2002)Ground penetrating radar (GPR) has been used as a tool to access information about ground subsurface features. Such information is very important for different types of studies, varying from those related to archeological ...
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(2002)Although the impact of plantation forestry and ground-preparation drainage on headwater runoff response has been widely studied, there are remaining uncertainties concerning the time scale of changes, scale effects of ...
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THE USE OF INSTANTANEOUS POLARIZATION ATTRIBUTES FOR SEISMIC SIGNAL DETECTION AND IMAGE ENHANCEMENT (2003)This paper introduces and discusses a new polarization filter which can aid interpretation of single or multichannel multicomponent seismograms. We define a measure of degree of polarization based on instantaneous polarization ...
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(1996)The occurrence and development of thermal erosion are affected by many factors: climate, geomorphology, geology and geocryology. The paper presents a mathematical model which can be used to calculate the parameters of ...
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(PANGAEA, 2002-05-05)Oil polluted and not oil polluted soils (crude oil hydrocarbons contents: 20-92500 mg/kg dry soil mass) under natural grass and forest vegetation and in a bog in the Russian tundra were compared in their principal soil ...
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(2000)The use of Mössbauer spectroscopic data on the second-order Doppler (SOD) shift to determine the reduced isotopic partition function ratio (β-factor) has been considered by the example of iron. Using the relation between ...
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(2002)We investigated the potential of using a 24-electrode resistivity imaging apparatus for rapid reconnaissance surveys for natural-aggregate accumulation. The surveys were first calibrated at sites with known geometry of ...
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(1996)This paper presents the results of a multivariate analysis of changes in groundwater table and chemistry observed in wells and springs at the Petropavlovsk Geodynamic Site during 1986-1992. The objective was to identify ...
Now showing items 19614-19633 of 43490