Results 61 to 70 of about 92,190 (313)
The sapphirine-spinel hornblendites of Il’meno-Vishnevogorsky complex
Литосфера, 2017 The authors consolidated disparate information about sapphirine-bearing rocks of the Urals. It is shown that they belong to genetically different entities.
V. G. Korinevsky +6 more
doaj +2 more sources
Tracing holotype trajectories: Mapping the movement of the most valuable herbarium specimens
PLANTS, PEOPLE, PLANET, EarlyView.Global efforts to protect biodiversity depend on fair access to key plant specimens. This study examines the distribution of 119,361 holotypes—unique herbarium specimens used to formally describe new plant species. By linking collection and storage data, we found that holotypes are increasingly held closer to their places of origin, particularly in ...
Dominik Tomaszewski +2 more
wiley +1 more source
On the genesis of deposits of the Pervy Severny iron ore district
Литосфера, 2019 Research subject. This study was aimed at examining iron ore and ore-bearing strata in the Pervy Severny iron ore district in the Northern part of the Tagil depression.
G. A. Petrov
doaj +1 more source
On the 60th Anniversary of the Ural University Toponymic Expedition: A Return to the Urals
Вопросы ономастики, 2021 The article is dedicated to the 60th anniversary of the Ural University (now the Ural Federal University) Toponymic Expedition and its new research project studying the toponymy, vocabulary, and ethnocultural information related to the extraction and ...
Elena E. Ivanova
doaj +1 more source
Invasive plant species in the forest parks of Yekaterinburg [PDF]
, 2019 Invasive species-introduced species, spontaneously settled outside their natural range, and successfully adapted to the new growing conditions. The problem of invasive species penetration, both herbaceous and woody, has long been a concern of scientists,
Luganskaya, S. N. +2 more
core
State of 40-year old Siberian Stone pine cultures planted by biogroups in the middle urals [PDF]
, 2021 Г. Г. Терехов +2 more
openalex +1 more source
Threshold Currents of Vacuum Arcs With Tungsten and Copper Cathodes
High Voltage, EarlyView.ABSTRACT This paper presents the results of an experimental study aimed at determining the threshold current for triggering a vacuum arc discharge, the probability of arc ignition and the average arc operation time depending on the current for tungsten and copper electrodes.
P. S. Mikhailov +4 more
wiley +1 more source
Известия высших учебных заведений: Геология и разведка, 2019 In the West of the aHochthon of Magnitogorsk zone thrusted onto the Precambrian complexes of the Uraltau zone, the Devonian island-arc complexes overlap stratigraphicalry the Ordovician and Silurian chert-basalt sequences and serpentine melange.
A. V. Ryazantsev +2 more
doaj +1 more source
Gender &History, EarlyView.ABSTRACT The article examines post‐Stalinist Soviet expertise on girls’ education and upbringing, analysing texts for and about female adolescents created by specialists in pedagogical sciences, psychology, sociology, medicine as well as children's writers and journalists from different parts of the Union, including national republics. The text focuses
Ella Rossman
wiley +1 more source
History, EarlyView.Abstract In the summer of 1919, W. T. Goode, the Manchester Guardian’s special correspondent in Russia and the Baltic, was arrested in the Estonian capital Tallinn and briefly detained aboard a British warship. Goode's detention caused a furore, leading to accusations of kidnap, heated commentary in the press and questions in parliament.
Colin Storer
wiley +1 more source