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Browsing ELibrary by Title
Now showing items 9385-9404 of 21768
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(2000)In this study, a functional group additivity scheme was used for correlation of the partial molar volumes, V 0 , 2 compressibilities, k 0 , heat capacities, C 0 , hydration enthalpies, D H 0 , and hydration Gibbs energies, ...
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(2001)Marine Cretaceous sequences of the eastern margin of northeast Asia show remarkable predominance of terrestrial woody kerogens over marine algal ones. Microscopic study on 18 hemipelagic mudstones collected from three dated ...
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(2002)The manner in which an earthquake rupture propagates across a fault reflects both the initial properties of the fault and the dynamical stresses produced by the rupture. We quantify the propagation of an earthquake rupture ...
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(2001)Zircons from two Archean samples, a 2732-Ma trondhjemite and a 2728-Ma dacite, both from the western Superior province, were washed in hydrofluoric acid (HF) at moderate temperatures. Zircon residues and HF wash solutions ...
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(2002)A new model of infiltration in swelling and shrinking clay soil was developed. The model consisted of two flow domains: soil matrix, with flow modelled by means of Darcy equation, and macropores; the latter was divided in ...
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(1989)Detailed study of Shape Preferred Orientations (SPOs) and Lattice Preferred Orientations (LPOs) of olivine, clinopyroxene, and plagioclase have been carried out for samples of compositionally layered gabbro from the lower ...
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(2002)The 1957 Gobi Altay M8.3 earthquake in southern Mongolia was associated with the simultaneous rupture of several faults, including the Gurvan Bulag reverse fault, which is located about 25 km south of the main strike-slip ...
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(2000)For the first time in Kamchatka, 47 paleotsunamis that had hit the shore of the Kronotskii Gulf during Holocene time were identified and dated using a tephrochronological method. The data for the time period from 3000 B.P. ...
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(1999)Preiswerkite and Na-(Mg,Fe)-margarite are two unusual micas very rare in Nature. They have been observed together in two eclogite occurrences (La Compointrie, France; Liset, Norway) as retrogression products in coronae or ...
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(1996)Selenium solubilization can be a potential source of environmental contamination in natural systems. Currently no experimental data are available on the solubility of metal selenites in aqueous solutions. The objective of ...
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(1998)An ultra-violet laser ablation microprobe (UVLAMP) has been applied for the first time to investigate argon partition coefficients for olivines and clinopyroxenes grown from silicate melts at 1 bar argon pressure. These ...
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(2002)The Prelude began with the origin of Metazoa, perhaps between 720 and 660 million years ago (mya), and ended with the geologically abrupt appearance of crown bilaterian phyla that began between 530 and 520 mya. The origin ...
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(2002)Premelting effects in gehlenite (Ca2Al2SiO7) have been studied by Raman spectroscopy and calorimetry, and in gehlenite and pseudowollastonite (CaSiO3) by electrical conductivity. The enthalpy of premelting of gehlenite is ...
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(1989)The Paleozoic fold belt of southern Mongolia includes two systems, the Variscan (South Mongolian) and the Indosinian (Inner Mongolian or East Gobi). The first arose in the Early Carboniferous in the area of an old ocean ...
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(2002)The intercalation of europium ions (Eu3+) into the interlayer space of a layered silicate, magadiite, was conducted by ion-exchange reactions between magadiite and europium(III) chloride. X-ray diffraction and elemental ...
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(2001)The effect of ultrasounds on natural macroscopic vermiculite flakes has been studied. Conditions for the preparation of submicron vermiculite particles of narrow particle-size distribution by sonochemistry are described. ...
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(2003)Titanium was introduced into the clay structure by cation exchange with polymeric Ti cations which were formed by partial hydrolysis of Ti alkoxide in HCl. X-ray diffraction, N2 adsorption-desorption, chemical analysis, ...
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(1999)Intercalation of amino acids into 10.0-A hydrated kaolinite was studied by powder X-ray diffraction (XRD), differential thermal analysis-thermal gravimetry (DTA-TG), and infrared (IR) spec-troscopy. Intercalation was found ...
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(2000)Differential diagenesis of the chemical components of pollen in sub-fossil records necessitates the isolation of a single `resistant' chemical component of pollen, prior to its isotopic analysis. As sporopollenin is ...
Now showing items 9385-9404 of 21768