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Browsing ELibrary by Title
Now showing items 11322-11341 of 20315
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(2003)The T -matrix approach of quantum scattering theory is used here to place many long-wavelength equivalent-medium approximations for porous composites, polycrystals and cracked media on a common footing and to indicate their ...
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(1987)The identical width and morphology of offset parts of the dry valley above and below the fault line indicate that displacements here occurred fast and, therefore, were earthquake induced. Since each offset valley has only ...
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(2001)Molecular-level condensed tannin analyses were conducted on a series of mangrove (Rhizophora mangle) leaves at various stages of decomposition in a tropical estuary. Total molecular tannin yields ranged from 0.5% ash-free ...
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(2004)We analyzed 117 tissues from 77 different plant species for molecular tannin. Tannin was measured in 89 tissues (as high as 10.5 wt.% total tannin), including procyanidin (PC) tannin in 88 tissues, prodelphinidin (PD) ...
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(2003)Marine Eemian deposits along the Pyoza river and its tributary Varchuska, Arkhangelsk region, constitute successions of muddy and sandy facies with rich macrobenthic fauna dominated by bivalves and barnacles. Taphonomic ...
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(2004)The major taphonomic processes that control insect preservation in carbonate rocks (limestones, travertines and nodules) are biological: insect size and wingspan, degree of decomposition, presence of microbial mats, predation ...
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(2002)This paper describes the results of a wide-angle seismic profile, over 700km long, across the southern margin of the Tarim Basin. A crustal structure that best fits the observed data, that tests and verifies the earlier ...
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(2000)Tatyanaite, a new mineral from Noril'sk (Siberia), is the Pt analogue of taimyrite. It is defined as the member(s) of the tatyanaite-taimyrite solid-solution series with Pt > Pd. Tatyanaite solid solution occurs in massive ...
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(2002)The taxonomic position of the late form of the broad-fronted moose from the Middle Pleistocene of Eastern Siberia, Alces latifrons postremus Vangengeim et Flerov, 1965, is discussed. New finds of antler beams and a skull ...
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(2002)The gorgonopians from the Late Permian of Eastern Europe are revised. The order Gorgonopia includes the suborders Rhopalodontida and Gorgonopida. Three superfamilies are considered within the Gorgonopida: Rubidgeoidea, ...
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(2001)Algae with a wide range of morphological characters were assigned to the genus Mizzia that was established without an estimate of the taxonomic importance of its characters. We considered the morphology of twigs on the ...
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(2001)Variograms calculated from binary variables, such as from two lithologies, tend to show sinusoidal forms with decreasing amplitudes for increasing lag distances. This cyclicity is observed often when analyzing drill-hole ...
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(2001)Common variogram models, such as spherical or exponential functions, increase monotonically with increasing lag distance. On the other hand, a hole-effect variogram typically exhibits sinusoidal waves that form peaks and ...
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(2001)Three-channels data collecting method for the determintion of Fe3+Fe2+ ratio in industrial iron-bearing minerals is proposed using Mössbauer effect spectroscopy. The method has been proved faster (less than five minutes) ...
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(2001)The investigations into the dielectric heating characteristics of pyrite and marcasite found that microwave power, crystal structure and particle size had an effect on dielectric heating rate. Marcasite could be heated at ...
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(2002)The unconfined compression load-displacement curves for rock samples were described. A series of uniaxial compression tests was performed to implement and compare two different methods of deformation measurements. Stress-strain ...
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(1990)Seismic tomography gives a very accurate, unambiguous picture of the velocity distributions of the seismic waves in any given zone. To construct a density model of some region by this technique, one needs data on the gravity ...
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(2001)Regularities in change of electrical properties of rocks observed laterally and with depth above the probable oil-and-gas deposits are examined. A technique for preliminary estimation of oil-and-gas content of the sedimentary ...
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(1997)Techniques are proposed for determining stresses that are produced in a volcanic edifice by pressure in the central conduit and its own weight and locating a region in the edifice where a break is likely to occur. The ...
Now showing items 11322-11341 of 20315