Results 31 to 40 of about 37,227 (242)

Tritium in the urine of the Mayak PA workers in the period from 2017 to 2019

open access: yesРадиационная гигиена, 2021
Objectives. To define the levels of volume activity of tritium compounds and fraction of organically bound tritium in urine of chemical production workers of “Mayak Production Association” in present-day conditions; to identify the relationship between ...
V. V. Vostrotin   +2 more
doaj   +1 more source

Convergent flow in a two-layer system and mountain building [PDF]

open access: yes, 2010
With the purpose of modelling the process of mountain building, we investigate the evolution of the ridge produced by the convergent motion of a system consisting of two layers of liquids that differ in density and viscosity to simulate the crust and the
Gratton, Julio, Perazzo, Carlos Alberto
core   +4 more sources

Chemostratigraphy of Neoproterozoic carbonates: implications for 'blind dating' [PDF]

open access: yes, 2001
The delta C-13(carb) and Sr-87/Sr-86 secular variations in Neoproteozoic seawater have been used for the purpose of 'isotope stratigraphy' but there are a number of problems that can preclude its routine use.
Aharon P.   +55 more
core   +1 more source

Polychronous zircons of volcanics of the Navysh complex of the Lower Riphean Ai Formation (Southern Urals)

open access: yesGeoresursy, 2020
The volcanics of the Navysh complex of the Lower Riphean Ai Formation in the Southern Urals are well studied petrochemically and dated by several methods.
Artur A. Krasnobaev   +3 more
doaj   +1 more source

Authigenic rhabdophane from brown iron ore of the oxidation zone of the Babaryk massive sulfide occurrence (South Urals): scanning electron microscope (SEM) and electron backscattered diffraction (EBSD) study [PDF]

open access: yesEuropean Journal of Mineralogy, 2021
Rhabdophane (Ce0.34−0.43Nd0.13−0.14Ca0.06−0.29La0.08−0.11Y0.05−0.12Pr0.03−0.05Sm0.02−0.05Gd0.02−0.05Fe0−0.04Dy0.00-0.01)0.97-1.01((P0.69−0.96S0.04−0.31)1.00O4)⚫H2O is found in a Fe3+-oxyhydroxide nodule (brown iron ore) collected from the upper part of ...
E. V. Belogub   +4 more
doaj   +1 more source

The regularities of rock mass stressed state formation in the upper part of the Earth crust

open access: yesЛитосфера, 2015
It was determined that in the upper part of Earth crust up to 500-600 m depth the rock mass stressed state in some areas may correspond to the A. Geim, A.D. Dinnik, N.
A. V. Zubkov   +2 more
doaj   +2 more sources

Relation between the thyroid diseases prevalence and doses of radiation exposure in the individuals relocated from radioactively contaminated areas in South Urals

open access: yesРадиационная гигиена, 2022
The objective of this work was to reveal the relations between thyroid pathology prevalence and absorbed thyroid radiation dose from 131I in the individuals relocated into Ozyorsk from the radioactively contaminated areas of South Urals.
E. I. Rabinovich   +3 more
doaj   +1 more source

Changes in the vector of industrial policy and possibilities for the innovative development of the industrial regions [PDF]

open access: yes, 2015
In the present paper, reasons for the increased interest in industrial policy in both developed and developing countries are explained. The systematisation of the results of the development of Russian industry from 1989 to 2014 showed a lack of ...
Romanova, O. A., Starikov, E. N.
core   +1 more source

DYNAMICS OF YIELD DEVELOPMENT AND TUBER QUALITY OF EARLY-RIPENING POTATO VARIETIES IN THE FOREST-STEPPE ZONE OF TYUMEN REGION

open access: yesОвощи России, 2016
The data of yield and tuber quality of earlyripening potato varieties obtained during tuber-formation in the forest-steppe zone of Tyumen region are presented. It was found that cv. Vesna, cv. Severniy, and cv.
Y. P. Loginov   +2 more
doaj   +1 more source

Vosnesensky Cu-porphyry deposit (Southern Urals): formation conditions, trace elements, sulfur isotopes and fluid sources

open access: yesGeoresursy, 2020
The paper shows new fluid inclusion and isotopic-geochemical data for minerals from sulphide-carbonate-quartz veins of Vosnesensky Cu-porphyry deposit. Fluid inclusions were analyzed by means Linkam TMS-600 cryostage equipped with Olympus BX 51 optical ...
Sergey E. Znamensky   +2 more
doaj   +1 more source

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