Results 71 to 80 of about 19,041 (257)

Ore Sources of the Southern Cis-Urals and Their Relationship with Settlement Sites of the Ural Abashevo Culture

Археология евразийских степей, 2022
The paper addresses the connections of the main ore-bearing sources of the Southern Urals region with the monuments of the Ural Abashevo culture. As a result of a comprehensive analysis, a possible connection of the archaeological monuments with the ...
Vladimir S. Gorbunov, Yuri V. Gorbunov
doaj   +1 more source

Comparative analysis of inductively coupled plasma mass spectrometry and alpha spectrometry methods to measure plutonium activity in biosubstrates

Радиационная гигиена
Currently, the most common methods to measure the activity of transuranium elements in biological samples are alpha radiometry and alpha spectrometry. Of these, alpha spectrometry is the most sensitive and selective method.
V. R. Batalov, M. V. Ishunina, A. V. Efimov, A. B. Sokolova   +3 more
doaj   +1 more source

Agriinovation system formation in northern regions of Russia: food security and rural development implications [PDF]

, 2016
The article examines development of food security for the population of northern regions in Russia. To reach the goal of regional food security and to change the declining trends in production, it is necessary to develop in-novative agrifood system model
Polbitsyn, S.
core  

Reconstructing Environmental and Microbial Ecosystem Changes Across the Permian–Triassic Mass Extinction at Lusitaniadalen, Svalbard

Paleoceanography and Paleoclimatology, Volume 41, Issue 2, February 2026.
Abstract The Permian–Triassic environmental crisis triggered fundamental changes in marine ecosystems, culminating in the most severe biodiversity crisis of the Phanerozoic. Yet, the environmental and geochemical conditions governing the crisis and ecosystem recovery remain debated.
S. Z. Buchwald, A. B. Frank, D. Birgel, K. Senger, T. Mosociova, Y. Pei, B. Beaty, L. G. Tarhan, F. Galasso, M. A. Gómez Correa, S. E. Grasby, U. Struck, D. Yuan, R. Steinkrauss, J. Gliwa, N. Lahajnar, J. Peckmann, W. J. Foster   +17 more
wiley   +1 more source

State of the gastric mucosa in workers contacting with tritium compounds

Радиационная гигиена
Целью работы была оценка состояния слизистой оболочки желудка у персонала атомного предприятия, контактирующего с соединениями трития в штатных условиях производственного цикла.
S. V. Povolotskaya, S. S. Sokolnikova
doaj   +1 more source

Large‐scale hydro‐climatology of the terrestrial Arctic drainage system [PDF]

, 2002
The large‐scale hydro‐climatology of the terrestrial Arctic drainage system is examined, focusing on the period 1960 onward. Special attention is paid to the Ob, Yenisey, Lena, and Mackenzie watersheds, which provide the bulk of freshwater discharge to ...
Bromwich, David H., Clark, Martyn P., Etringer, Andrew J., Lammers, Richard B., Serreze, Mark C., Zhang, Tingjun   +5 more
core   +1 more source

Sulfide breccias from the Semenov-3 hydrothermal field, Mid-Atlantic Ridge: authigenic mineral formation and trace element pattern [PDF]

, 2018
The aim of this paper is the investigation of the role of diagenesis in the transformation of clastic sulfide sediments such as sulfide breccias from the Semenov-3 hydrothermal field (Mid-Atlantic Ridge).
Artemyev, Dmitry, Beltenev, Victor, Danyushevsky, Leonid, Kotlyarov, Vasily, Large, Ross, Maslennikov, Valery, Maslennikova, Svetlana, Melekestseva, Irina, Nimis, Paolo, Rozhdestvenskaya, Irina, Safina, Nataliya, Toffolo, Luca   +11 more
core   +3 more sources

Biological Flora of Britain and Ireland: Geranium sylvaticum*

Journal of Ecology, Volume 114, Issue 2, February 2026.
Geranium sylvaticum is a perennial forb of upland grasslands, woodlands and riverbanks in northern Britain, with scattered native occurrences also in Wales, central England and Northern Ireland. It has an extensive native range in Europe and Asia. The species is gynodioecious, with individual plants typically female or hermaphrodite.
Markus Wagner, Richard G. Jefferson, Ruth E. Starr‐Keddle, Sandra Varga, Irina Tatarenko, Duncan B. Westbury, Lucy Hulmes   +6 more
wiley   +1 more source

Risk of central nervous system tumors in the offspring of individuals exposed to production radiation

Фундаментальная и клиническая медицина
Aim. To assess the risk of malignant central nervous system (CNS) tumors among the first-generation offspring of workers from the Mayak Production Association.Materials and Methods.
S. F. Sosnina, P. V. Okatenko, E. V. Denisova, M. E. Sokolnikov   +3 more
doaj   +1 more source

EVOLUTION OF THE PSEUDOSTAFFELLIDAE IN THE BASHKIRIAN(MIDDLE CARBONIFEROUS)

Rivista Italiana di Paleontologia e Stratigrafia, 2003
The origin and evolution of the family Pseudostaffellidae is discussed, based on the study of foraminifers from the stratotype and reference sections of the Bashkirian stage of the Southern Urals.
ELENA I. KULAGINA, ZINAIDA A. SINITSYNA
doaj   +1 more source