Results 101 to 110 of about 2,204,508 (267)
Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.Abstract The Ediacaran–Cambrian (∼635–539 Ma) geomagnetic field is characterized by unusually high reversal rates and markedly weakened field strength. Estimates of these reversal frequencies can reveal key aspects of deep Earth dynamics and their potential influence on surface environments and early complex life.
J. W. L. Afonso +12 more
wiley +1 more source
Realising the oil supply potential of the CIS: the impact of institutions and policies [PDF]
, 2006 This paper provides an overview of the political economy of oil in the CIS. It briefly situates the region’s oil sector potential in the global context, before analysing the structural features of the oil sectors by country.
Ahrend, R., Tompson, William
core +1 more source
Minerals, 2019 Kyshtymites are the unique corundum-blue sapphire-bearing variety of anorthosites of debatable geological origin found in the Ilmenogorsky-Vishnevogorsky complex (IVC) in the South Urals, Russia.
M. I. Filina +8 more
semanticscholar +1 more source
ABOUT THE COMPOSITION OF CASSITERITE AND WOLFRAMITE IN ORES FROM THE FAR EAST DEPOSITS [PDF]
МинералогияThe paper presents formulas, which reflect the variations in the composition of cassiterite, wolframite (ferberite and hübnerite) and associated minerals (silicates, phosphates, tantaloniobates, sulfides, etc.) from the Maly Khingan tin deposits (Khingan
V.I. Popova, V.A. Popov, I.A. Blinov
doaj +1 more source
Regional household and poverty effects of Russia's accession to the world trade organization [PDF]
This paper develops a seven-region comparative static computable general equilibrium model of Russia to assess the impact of accession tothe World Trade Organization on these seven regions (the federal okrugs) of Russia.
Rutherford, Thomas, Tarr, David
core
A first assessment of genetic variability in the longhorn beetle Rosalia alpina (Coleoptera: Cerambycidae) from the Italian Apennines [PDF]
, 2018 The Rosalia longicorn (Rosalia alpina) is a strictly protected saproxylic beetle, widely distributed in Central and Southern Europe and mainly associated with ancient beech forests. To improve knowledge about the conservation status of R. alpina in Italy,
Antonini, G. +15 more
core +2 more sources
External water exchange of reservoirs of South Ural
IOP Conference Series: Earth and Environmental Science, 2019 Abstract Reservoirs are building worldwide for the rational usage of water resources. Engineers create reservoirs for redistribution of runoff both in seasonal and multi-annual regime. The duration of stay of river water in slow water exchange condition is one of the major factors which influences the transformation of the river water ...
A I Vtorova +2 more
openaire +1 more source
Tree Stands and Their Productivity Dynamics at the Upper Growing Limit in Khibiny on the Background of Modern Climate Changes [PDF]
, 2019 Within the ecotone of the upper limit of woody vegetation on the southeastern macroslope of the Khibiny Mountain ridge (Kola Peninsula), the spatial and age structure, as well as features of the phytomass accumulation of spruce–birch stands, were studied.
Bubnov, M. O. +4 more
core
Regional impacts of Russia's accession to the World Trade Organization [PDF]
In this paper we develop a computable general equilibrium model of the regions of Russia to assess the impact of accession to the World Trade Organization (WTO) on the regions of Russia.
Rutherford, Thomas, Tarr, David
core
Proceedings of higher educational establishments Geology and Exploration, 2019 Information on the distribution of trace and rare-earth elements in the bottom sediments of estuarine zones of various river categories (large rivers, rivers draining water collections, composed of sedimentary or magmatic and metamorphic rocks, etc.) of ...
A. Maslov
semanticscholar +1 more source