نتایج جستجو برای: rock susceptibility
تعداد نتایج: 171864 فیلتر نتایج به سال:
Pahae Julu is a sub-district located in North Tapanuli Regency, Sumatra. This area often found with volcanic material from the eruption of Mount Toba (Youngest Tuff). The Youngest Tuff occurred ~74,000 years ago volume 2,800 km3. When there an eruption, lava on earth's surface undergoes relatively fast freezing process to form igneous rock. These rocks contain various minerals, one which magnet...
Transmission of Leishmania tropica was studied in 2 adjacent foci in Israel where vector populations differ. Only Phlebotomus sergenti was found infected with L. tropica in the southern focus; P. arabicus was the main vector in the northern focus. Rock hyraxes (Procavia capensis) were incriminated as reservoir hosts in both foci. L. tropica strains from the northern focus isolated from sand fli...
We present a mathematical model of the fracturing of water-saturated rocks and other porous materials in cold climates. Ice growing inside porous rocks causes large pressures to develop that can significantly damage the rock. We study the growth of ice inside a penny-shaped cavity in a water-saturated porous rock and the consequent fracturing of the medium. Premelting of the ice against the roc...
We examine rockfall susceptibility of folded strata in the Sevier fold-thrust belt exposed in American Fork Canyon in north-central Utah. Large-scale geologic mapping, talus production data, rock-mass-quality measurements, and historical rockfall data indicate that rockfall susceptibility is correlated with limb dip and curvature of the folded, cliff-forming Mississippian limestones. On fold li...
We explore the use of correlations between susceptibility gradients, G0, and T2-relaxation (G0-T2), and show how the difference in response for oil and water with respect to G0 can be used for improved characterization of wettability of the internal surface in porous rock cores.
â â â â â â â â â â â abstract â the abtalkh formation in the kopeh-dagh basin in northeastern iran with an age of late cretaceous (turonian â santonian) is selected to evaluate resolution of magnetic susceptibility for assessing sea level fluctuations. thirty-nine shale samples were collected and studied for magnetic susceptibility and palynology. assuming the average ms magnitude as the...
BACKGROUND Huntington's disease (HD) is a polyglutamine-expanded related neurodegenerative disease. Despite the ubiquitous expression of expanded, polyQ-Huntingtin (ExpHtt) in the brain, striatal neurons present a higher susceptibility to the mutation. A commonly admitted hypothesis is that Dopaminergic inputs participate to this vulnerability. We previously showed that D2 receptor stimulation ...
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