Results 21 to 30 of about 1,057 (181)
Technology for the industrial production of K3 series vitamins based on menadione
Chimica Techno Acta, 2020 An improved technology for the industrial production of K3 series vitamins based on menadion is reported. The procedure involves the Cr(VI)-promoted oxidation of the corresponding methyl-naphtahelenes with the following purification by precipitation ...
Aleksey S. Antipov +2 more
doaj +1 more source
Veterinary Medicine and Science, Volume 9, Issue 3, Page 1417-1425, May 2023., 2023 This study was performed to assess the knowledge, attitudes and practices (KAPs) of farmers and veterinary professionals towards FMD in the area studied. The study was based on a comprehensive questionnaire administered through face‐to‐face interviews.
Svetlana Bayantassova +20 more
wiley +1 more source
Long‐term changes in the frequency of exceptionally cold and warm months in Europe (1831–2020)
International Journal of Climatology, Volume 43, Issue 5, Page 2339-2351, April 2023., 2023 Map with locations of the meteorological stations used in the study within the physico‐geographic regions in Europe. Long‐term variation in the numbers of exceptionally cold months (ECMs) and exceptionally warm months (EWMs) and their trendlines in successive 5‐year periods of the 1831–2020 timespan.
Magdalena Skrzyńska, Robert Twardosz
wiley +1 more source
Meta‐analysis of caries microbiome studies can improve upon disease prediction outcomes
APMIS, Volume 130, Issue 12, Page 763-777, December 2022., 2022 As one of the most prevalent infective diseases worldwide, it is crucial that we not only know the constituents of the oral microbiome in dental caries but also understand its functionality. Herein, we present a reproducible meta‐analysis to effectively report the key components and the associated functional signature of the oral microbiome in dental ...
Mark C. Butcher +8 more
wiley +1 more source
From Frontier to Borderland: Border Actors in Orenburg Province, 1735-75
Вивліоѳика, 2022 This article examines the rise of borderland actors in Russia’s Orenburg province in the mid-eighteenth century. Established in the 1730s and the 1740s, the fortified line along the Iaik River became a hard border separating Russian-controlled Bashkiria
Colum Leckey
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Phylogenetic relationships of scorpions of the genus Mesobuthus (Vachon, 1950) from the Lower Volga and Southern Urals [PDF]
Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология, 2022 . The article presents data on the new location of scorpions of the genus Mesobuthus in the Orenburg Nature Reserve. The aim of the work is to determine the species on the basis of the identifi ed morphological features of populations living in the ...
Poverenniy, Nikita Nikita Maksimovich +1 more
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Археология евразийских степей, 2023 The paper presents for the first time the materials of 4 burials from the Sintashta culture necropolis in the Orenburg Cis-Urals, where the Seima-Turbino inventory was found.
Lidiya V. Кuptsova +1 more
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New Dorcadion (s. str.) Dalman, 1817 (Coleoptera: Cerambycidae) from Orenburg Region of Russia [PDF]
Кавказский энтомологический бюллетень, 2009 Dorcadion glicyrrhizae ishkarganum ssp. n. close to D. g. korshikovi Danilevsky, 2006 is described from Orenburg Region of Russia. The new taxon is characterized by dark legs, totally black antennae and frons, moderately developed white dorsal ...
M.L. Danilevsky
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Features of development of small and medium-sized businesses under external constraints
Интеллект. Инновации. Инвестиции, 2023 Small and medium-sized enterprises (SMEs) in Russia are characterized by a large number and, at the same time, vulnerability: due to limited capital, SMEs are unable to independently cope with the challenges of the external environment and need state ...
I. N. Korabeynikov +2 more
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Modern Status of the Steppe Eagle Population in the Orenburg region, Russia
Пернатые хищники и их охрана, 2017 The article presents the results of the Steppe Eagle (Aquila nipalensis) monitoring in the Orenburg region in 2010–2015. For 2010–2015 the population of Steppe Eagle in Orenburg region decreased by 20.6% and is 266–349, at average 293 breeding pairs.
Igor V. Karyakin +2 more
doaj +1 more source