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Article
Heavy Metal Concentrations and Groundwater Quality Assessment in the Territory of Leningrad Oblast and Southern Republic of Karelia
Groundwater quality was evaluated in Leningrad oblast and Southern Karelia in terms of their physicochemical characteristics and heavy metal concentrations. Estimates of groundwater quality indices revealed po...
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Article
Assessment of River Runoff Formation Sources in the Mountain-Arid Zone by Data on Water Isotopic Composition
An isotope–hydrochemical study of the surface and groundwater was carried out in the basin of the Ala-Archa River located on the Northern slope of the Kyrgyz ridge, Kyrgyzstan. The results of studies of stable...
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Article
Evaluation of Cs-137 Binding by High-Moor Peat in the European North of Russia
The sorption properties of high-moor peat and products of its sequential disassembly were studied and the binding of Cs-137 by the test materials was evaluated. According to the results of low-temperature nitr...
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Article
Disequilibrium Uranium (234U/238U) in Natural Aqueous Objects and Climatic Variations: World Ocean
Natural waters usually demonstrate the disturbance of radioactive equilibrium between parent 238U and and daughter 234U (usually, 234U/238U ≈ 0.8–3 in activities). The ratio of 234U/238U > 10 found in groundwater...
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Article
Heavy metals and radionuclides distribution and environmental risk assessment in soils of the Severodvinsk industrial district, NW Russia
The article is devoted to the study of the content of heavy metals and radionuclides in soils of the environments of the Severodvinsk industrial district (Northwest Russia). The city of Severodvinsk is the lar...
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Article
Distribution of radioactive isotopes in rock and ore of Arkhangelskaya pipe from the Arkhangelsk diamond province
The contents of radioactive elements and the uranium isotopic composition of kimberlite in the Arkhangelskaya pipe at the M.V. Lomonosov deposit and of nearby country rocks have been studied. A surplus of 234U is...