Results 61 to 70 of about 78,694 (269)

On the ecology of species belonging to the genus Mesocyclops Sars (Crustacea, Copepoda) dwelling in the water-bodies of the Urals and Pri-Ural territory. [Translation from: Zoologicheskie Zhurnal 44(1) 127-130, 1965. ] [PDF]

open access: yes, 1973
In the waterbodies of central Russia, the Urals and western Siberia four species of Crustacea, related to the genus Mesocyclops, are widely distributed: M. (s.str.) leuckarti (Claus), M. (Thermocyclops) oithonoides Sars, [M.](Th.) crassus (Fisch.) and M.
Ulomskii, S.N.
core  

YARATKULOVO – A NEW H-CHONDRITE IN THE URALS: MINERALOGICAL DATA [PDF]

open access: yesМинералогия, 2017
The Yaratkulovo meteorite was found in 2016 in the Argayash district of the Chelyabinsk region. It is a «chondrite breccia», in which the light coarse-grained fragments (primary chondrite) occur in the dark fine-grained matrix (impact assemblages ...
V.V. Sharygin, S.V. Kolisnichenko
doaj  

Reducing the replication time for structural estimations: A successful replication of “An Anatomy of International Trade” using GPU computing

open access: yesEconomic Inquiry, Volume 63, Issue 2, Page 424-440, April 2025.
Abstract Eaton, Kortum, and Kramarz (2011) (EKK) discovered empirical patterns from French manufacturing firms that a baseline firm heterogeneity model could not explain. The authors proposed and estimated a model that closely matches the patterns observed in French data.
Jiatong Zhong
wiley   +1 more source

Tree Stands and Their Productivity Dynamics at the Upper Growing Limit in Khibiny on the Background of Modern Climate Changes [PDF]

open access: yes, 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  

3D morphological analysis of age and sex‐related changes in human cortical bone remodeling spaces using micro‐CT

open access: yesJournal of Anatomy, EarlyView.
This study investigates human cortical bone remodeling space morphology and its relationship with age and sex using micro‐CT imaging. Remodeling space morphology exhibits great inter‐ and intraindividual variation. Its dimensions decrease with increasing age, but do not differ between sexes.
Xuan Wei   +2 more
wiley   +1 more source

CRITERIA FOR ASSESSING HEALTH CARE QUALITY: THE DIFFERENCES IN VIEWPOINTS

open access: yesJuvenis Scientia, 2017
The article presents the results of a survey of patients in a therapeutic hospital, doctors, students of a medical university, conducted to identify the main quality criteria, and the main defects in the provision of medical care.
A. V. Yanichkina   +3 more
doaj  

Mausoleums of the Eastern Regions of the Golden Horde

open access: yesЗолотоордынское обозрение
The purpose of the study: To consider the composition of architecture in the eastern regions of the Golden Horde, using the example of monuments of memorial architecture.
Zilivinskaya E.D.
doaj   +1 more source

Neural modulation of ocular immunity: Exploring a sympathetic‐macrophage neuroimmune link in the human ciliary body

open access: yesJournal of Anatomy, EarlyView.
Using microscopy and 3D confocal imaging on seven cadaveric eyes, we identified sympathetic nerves closely associated with β₂‐adrenergic receptor‐expressing macrophages in the human ciliary body (CB). These findings suggest a sympathetic‐macrophage neuroimmune link in the CB, potentially influencing ocular inflammation and degeneration, warranting ...
Tanya S. Karakyriakou   +6 more
wiley   +1 more source

Factories of hospitality: Problems of industrial tourism development in the Urals second-tier cities

open access: yesУправление культурой
The article identifies and analyzes key issues related to industrial tourism development in the second-tier cities of the Ural region. The relevance of the work is determined by the need to study the problems of domestic tourism development in Russia ...
Konstantin D. Bugrov   +1 more
doaj   +1 more source

ASSESSMENT OF GOLD MELT INFLUENCE ON THE PLATINOID MICROINCLUSIONS IN ANCIENT GOLD PRODUCTS: A COMPARISON WITH EXPERIMENTAL DATA [PDF]

open access: yesМинералогия, 2017
The results of gold melt influence on platinoid microinclusions in ancient gold products from the burial mounds of the Urals and Phanagoria are compared with the experimental data.
V.V. Zaykov   +9 more
doaj  

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