Results 81 to 90 of about 40,509 (266)

The State of Knowledge of the Primary and Secondary Metabolites of the Iris Genus

open access: yesChemistry &Biodiversity, Volume 23, Issue 1, January 2026.
The genus Iris L. (Iridaceae) comprises over 320 species, primarily found in the northern hemisphere. Iris species are important in horticulture, folklore and medicine, and contain a variety of primary and secondary metabolites with significant biological activity.
Olha Mykhailenko   +3 more
wiley   +1 more source

RESEARCHES OF LONG-TERM VARIATIONS IN URANUS AND NEPTUNE SPECTRA

open access: yesOdessa Astronomical Publications, 2016
The results of long-term spectral observations of Solar System giant planets Uranus and Neptune are presented here. Data were obtaining in period 2002-2012 at the peak Terskol Observatory (Northern Caucasus, Russia) using 2-meter Ritchey-Chretien ...
Yu. Kuznyetsova   +5 more
doaj   +1 more source

Obsidian Spearhead in the Middle Paleolithic of the Elbrus Region. Preliminary Data on the Hunting Strategies

open access: yesПоволжская археология, 2020
The paper presents the first results of comprehensive studies of the hunting and hunting weapons of the Neanderthals during the Middle Paleolithic in the Elbrus region in the Northern Caucasus.
Doronicheva Ekaterina V.   +4 more
doaj   +1 more source

Synthetic Kefir Based on Fermentation of Natural Kefir and Koumiss Core Microbial Species Reveals Microbial Interactions and Gene Exchanges in Natural Kefir

open access: yesFood Frontiers, Volume 7, Issue 1, January 2026.
ABSTRACT Kefir and koumiss are both traditional alcoholic fermented milk drinks made from the fermentation of various probiotics and yeasts. The complex microbial composition of kefir and koumiss has hindered the expansion of their consumption in global markets.
Zhenyi Qiao   +9 more
wiley   +1 more source

The local paleoenvironment of Kalavan‐2 based on small‐vertebrate remains and its implications for human‐environment‐dynamics between 60 and 35 ka in the Armenian Highlands

open access: yesJournal of Quaternary Science, Volume 41, Issue 1, Page 153-177, January 2026.
ABSTRACT Kalavan‐2, a high‐altitude (∼1640 m a.s.l.) open‐air site in Armenia, preserves stratified Middle Paleolithic occupations with a rich small‐vertebrate record. Luminescence dating has placed site formation between ~60 and 45 ka, but without independent chronological control of the microvertebrate accumulation.
Dominik L. Rogall   +4 more
wiley   +1 more source

SPECIFICS AND FUNCTIONS OF MYTH DESIGN IN CONTEMPORARY PR-DISCOURSE

open access: yesPolylinguality and Transcultural Practices, 2016
The article deals with the cognitive structure of PR-discourse, which is characterized by its coordinates in the functioning of the process of symbolization and mythologizing that the most representative in the production of image and brand.
D A Kaziyeva
doaj  

Haloalkalitolerant Fungi from Sediments of the Big Tambukan Saline Lake (Northern Caucasus): Diversity and Antimicrobial Potential. [PDF]

open access: yesMicroorganisms, 2023
Georgieva ML   +8 more
europepmc   +1 more source

Time for Action: Incidents of Discrimination in Russian Football [PDF]

open access: yes, 2015
This monitoring report presents the first ever systematic assessment of the problem of racism and discrimination in Russian football. Prepared as a joint undertaking of the Moscow-based SOVA Center for Information and Analysis and the Fare network, it ...

core  

Minimally Destructive Radiocarbon Dating of Bone

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 9, 15 May 2026.
ABSTRACT Rationale Bone is commonly used in radiocarbon dating in archaeology and other disciplines. Despite advances in collagen extraction protocols, the process remains destructive, requiring sawing, drilling or crushing of bone material. While non‐destructive approaches have recently been applied in ancient genomics and palaeoproteomics, no ...
Tom Higham   +19 more
wiley   +1 more source

HYDROLOGICAL REGIME OF GLACIERS IN THE RIVER BASINS OF THE NORTHERN CAUCASUS AND ALTAI

open access: yesЛëд и снег, 2018
Rivers with snow-glacier alimentation in six basins of the Northern Caucasus (Cherek, Chegem, Baksan, Malka, Teberda, and upper course of the Terek River) and Altai (the Katun’ River) were investigated in 1946–2005 for the purpose to analyze long-term ...
V. G. Konovalov, V. A. Rudakov
doaj   +1 more source

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