Results 11 to 20 of about 18,090 (232)

New stratigraphic units of beds with the conchostracan fauna in the Upper Permian and Lower Triassic deposits of Eastern Europe and Siberia

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2021
The biostratigraphic analysis of conchostracans from the territory of Eastern Europe was based on the study of sections of the Middle–Upper Permian and Lower Triassic deposits of the Upper Volga, Middle Volga–Kama, Dvina–Mezen, and Pechora districts, all,
V.V. Zharinova
doaj   +1 more source

Regional Center Landscape Evolution in the Middle Volga Region [PDF]

open access: yesSamara Journal of Science, 2020
The paper discusses the development of Samaras urban space in the focus of the planning structure of the city and its territorial growth. The stages of development of the urban landscape from the moment of the citys foundation to the beginning of the XX century are studied.
openaire   +1 more source

Miscanthus giganteus in the Middle Volga region: opportunities and prospects [PDF]

open access: yesIOP Conference Series: Earth and Environmental Science, 2022
Abstract The main raw material for the production of cellulose is wood, which is also used as fuel, but it takes at least 80 years to regenerate forests. Therefore, it became necessary to find other possible sources of energy and cellulose. Miscanthus giganteus could become a possible and efficient renewable raw material.
V A Gushchina   +3 more
openaire   +1 more source

Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth

open access: yesGeophysical Monograph Series, Page 137-165., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov   +3 more
wiley  

+1 more source

Middle Volga Abashevo Culture and Bell Beaker Culture: family portrait sketches

open access: yesАрхеология евразийских степей, 2022
The paper considers an analysis of the formation mechanisms of the Middle Volga Abashevo culture. It was formed in conditions of a sharp aridization of the period 2200 CalBC. Its occurrence was rapid and abrupt.
Roman A. Mimokhod
doaj   +1 more source

Monitoring of the phytosanitary efficiency of pre-sowing spring wheat seed treatment

open access: yesBIO Web of Conferences, 2020
For the forest-steppe of the Middle Volga region, efficiency of preparations for presowing treatment of seeds as regulators of the phytosanitary state of agrocenoses and spring wheat productivity for different regionalized varieties were assessed.
Pertseva Elena V.   +4 more
doaj   +1 more source

CHRONOLOGY OF PIT-COMB WARE IN THE MIDDLE VOLGA REGION (RUSSIA): 14С DATES OF ORGANIC SUBSTANCES WITHIN POTTERY MATRIX; pp. 83–95 [PDF]

open access: yesEesti Arheoloogiaajakiri, 2018
The Volga-Oka interfluve (Central Russia) Neolithic sites with Pit-Comb Ware were dated to the 3rd millennium BC by the majority of archeologists during the period of 1950–1970.
Alexander A. Vybornov   +2 more
doaj   +1 more source

The Toreutics of Volga Bulgaria and the Golden Horde Bulgar Ulus: problems of tradition continuity

open access: yesПоволжская археология, 2013
Peculiarities of the 11th-14th-century jewelry and the progress of jewelry-making traditions in the territory of Volga Bulgaria in the pre-Mongol and Golden Horde period are discussed.
Rudenko Konstantin A.
doaj   +1 more source

14С Data of Post-Catacomb Sites in the Volga Region and the Volga-Urals in the Context of Regional Radiocarbon Chronology

open access: yesПоволжская археология, 2023
Issues of radiocarbon chronology of Post-Catacomb cultural communities of the Volga region and Volga-Urals are considered in the article. They are represented by sites of the Volga-Don Babino culture and the Volga-Ural cultural group, which went through ...
Mimokhod Roman A.
doaj   +1 more source

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