Results 31 to 40 of about 18,858 (192)

New distributional records of the family Sphecidae (Hymenoptera) in Azerbaijan [PDF]

open access: yesКавказский энтомологический бюллетень, 2020
Data on 27 species of nine genera of digger wasps of the family Sphecidae collected in Nakhchivan Autonomous Republic of Azerbaijan are presented. Of them, 20 species are recorded for the fauna of Azerbaijan for the first time.
M.M. Maharramov   +2 more
doaj   +1 more source

History of the Savirs / Suvars: Evidence from Archaeology

open access: yesOriental Studies, 2022
Introduction. The paper examines some archaeological evidence for a line of continuity between the Savirs (an ethnic group that had inhabited the Caucasus up to the mid-1st millennium CE), the Suvars (who were part of the northward migration of the ...
Anton K. Salmin
doaj   +1 more source

Synthesis of yttrium aluminum garnet ceramic powder doped with ruthenium

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов
In the course of the work, samples of ceramic powders of yttrium-aluminum garnet doped with ruthenium ions were obtained. The introduced amount of ruthenium was 5 and 10 wt.%, respectively. The annealing temperatures were 1150 and 1600°C.
V.E. Suprunchuk   +6 more
doaj   +1 more source

Lepidoptera of South Ossetia (Northern Transcaucasia). Part IV. Microlepidoptera: Adelidae to Choreutidae

open access: yesActa Biologica Sibirica, 2023
A list of 143 species of Microlepidoptera from 27 families is provided, compiled based on the results of processing materials collected in 2021−2022; all species are recorded for the first time for the territory of South Ossetia.
Sergey Yu. Sinev   +5 more
doaj   +1 more source

Computer quantum-chemical simulation of the interaction of calcium carbonate with biopolymers

open access: yesСовременная наука и инновации
As part of this work, computer quantum chemical modeling of the interaction of calcium carbonate with biopolymers (chitosan, hydroxyethylcellulose, hyaluronic acid) was carried out.
M. A. Pirogov   +6 more
doaj   +1 more source

Investigation of the process of stabilization of cobalt (II, III) oxide nanoparticles with alkyldimethylbenzylammonium chloride

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов
In this work, samples of cobalt (II, III) oxide nanoparticles stabilized with alkyldimethylbenzylammonium chloride were obtained by chemical precipitation in an aqueous medium.
D.D. Filippov   +6 more
doaj   +1 more source

Wild Plants Used as Vegetables by Transhumant People Around the Georgia–Turkey Border in the Western Lesser Caucasus

open access: yesActa Societatis Botanicorum Poloniae, 2021
Recent ethnobotanical studies in the Caucasus, mainly in Georgia, reveal the significant ethnobotanical knowledge of local people related to wild edible plants.
Ceren Kazancı   +3 more
doaj   +1 more source

Development of biotechnological approaches to creation of fermented permeate drinks with a predictable carbohydrate composition

open access: yesVestnik MGTU
The creation of high-tech manufacturing of dairy products is based on the application of membrane fractionation and concentration methods, which leads to the formation of significant volumes of new types of secondary dairy raw materials – permeates ...
Shramko M. I.   +6 more
doaj   +1 more source

LUMINESCENT PROPERTIES OF TiO2 : Sm3+, SYNTHESIZED BY SOL-GEL METHOD

open access: yesВестник Северо-Кавказского федерального университета, 2022
This work gives description of method receiving powder titanium oxide doped ions samarium (TiO2:Sm3+) with pure anatase structure. Synthesized sample has strong red-orange luminescent lines under exposition of ultraviolet radiation.
Oleg Chapura   +5 more
doaj  

Whole‐Genome Sequencing Pilot of the Central Asian Genomic Diversity Project Reveals Distinct Histories, Adaptation, and Introgression

open access: yesAdvanced Science, EarlyView.
As a pilot phase of the Central Asian Genomic Diversity Project, whole‐genome sequencing of 166 individuals from 20 Central Asian and Afghan Hazara populations reveals fine‐scale substructure shaped by repeated trans‐Eurasian migration and admixture. Integrated analyses uncover post‐admixture adaptation, archaic introgression, and medically relevant ...
Mengge Wang   +11 more
wiley   +1 more source

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