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Now showing items 11816-11835 of 39124
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(PANGAEA, 1987-10-23)Fifteen iron oxide accumulations from the bottoms of two Finnish lakes ("lake ores") were found to contain as much as 50% Fe. Differential X-ray powder diffraction and selective dissolution by oxalate showed that the samples ...
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(1989)A kimberlite pipe found in Yakutia differs sharply in geologic structure from those studied earlier. Drillhole in kimberlite-hosting marls of the Kyllakh formation penetrated bands and lenses of andradite-grossular skarn ...
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(2006)The reactivity of colloidal particles is regulated by their surface properties. These properties affect the wettability, flocculation-dispersion characteristics, ion exchange, sorption capacities and transport of inorganic ...
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(2003)Regularities of influence of a single-phase (SP) oxidation and a subsequent decomposition of synthetic titanomagnetites (TM) of a different original composition (Fe3-x TixO4 (where x = 0.2, 0.4 and 0.6)) upon the change ...
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(PANGAEA, 2003-08-09)Dependence of the faunal composition and species structure of the White Sea littoral Harpacticoida on sediment properties was studied. Three groups of species could be distinguished according to their relationship with ...
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(2001)Approximate formulae for PP reflection/transmission (R/T) displacement coefficients for weak contrast interfaces separating weakly anisotropic media of an arbitrary symmetry are presented. The coefficients have a form of ...
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(2006)По целому самцу хорошей сохранности из юрского местонахождения Даохугоу (Северо-Восточный Китай) описан новый вид Proptychopterina opinata sp. nov. Обсуждается распространение Proptychop-terina, приводятся уточненный диагноз ...
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(2001)Opportunities for development of deposits of polymetallic ores of Ozernyj ore field have been considered. The ore contains many elements including zinc and lead. Review of technological schemes for processing the ores has ...
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(2004)Based on own laboratory experience and a literature review, techniques for processing of different sedimentary lithologies and microscopical investigation in Neoproterozoic-Cambrian sequences are described. Emphasis is ...
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(2003)We are in the process of developing a small portable absolute gravimeter that employs a cam-based dropping mechanism. The resulting high data rate (100 drops in 30 s) serves to compensate for the short (2 cm) dropping ...
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(2001)Generation of electric energy at various power stations including those operating on pulverized coal has been considered. It has been shown that generation of electric energy with the use of the pulverized coal is the most ...
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(2001)The notion of the term "advance time" for tsunami warnings is examined, as is the potential of the existing Kamchatkan service of fast tsunami warning for conveying alarm messages to sites of human settlement on the Pacific ...
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(Федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет», 2017)The purpose of this study is to forecast the scale and distribution character of gas hydrate stability zone in the Chukchi Sea under simulated natural conditions and basing on these results to estimate resource potential ...
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(Федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет», 2017)Traditionally it is believed that the effect of induced polarization is an interfering factor for the measurement of electromagnetic fields and their interpretation during conducting works using magnetotelluric sounding ...
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Prospects of Multilevel Use of Geothermal Resources of the Khankala Deposit of the Chechen Republic (International Information Institute, 2016)
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(Федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет», 2017)The paper proves the timeliness of obtaining and examining bottom sediments from subglacial Lake Vostok. Predictive geological section of Lake Vostok and information value of bottom sediments have been examined. Severe ...
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(PANGAEA, 2002-06-29)
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(2002)Lower crustal garnet granulite xenoliths from beneath the Kola-Karelian domain of the Fennoscandian Shield (Russia) were brought to the surface in Devonian lamprophyre diatremes. To establish the relationships between ...
Now showing items 11816-11835 of 39124