Results 51 to 60 of about 1,758 (212)

Aflatoxin B1, B2, G1, G2, Zearalenone, and Ochratoxin A in Cereals, Cereal‐Based Products and Baby Food: Method Validation, Monitoring Study and Exposure Assessment of the Italian Population

open access: yesFood Science &Nutrition, Volume 14, Issue 4, April 2026.
A validated HPLC‐FLD analytical method for the determination of aflatoxins, zearalenone, and ochratoxin A in cereals was applied to the analysis of 402 samples collected in Italy from 2013 to 2023 and to perform a risk assessment evaluation for the Italian population. Prevalence of contaminated samples was generally low and restricted to maize samples.
Stefano Sdogati   +7 more
wiley   +1 more source

A Language and Its Holes: The First‐Order Homology of the Large‐Scale Geometrical Structure of a Natural Language

open access: yesComplexity, Volume 2025, Issue 1, 2025.
The present paper employs topological data analysis methods to reveal ‘holes’ (stable persistent homologies) in the semantic spaces of words, bigrams, and trigrams of the English and Russian languages, and to ascertain their boundaries. Furthermore, the paper selects those holes that belong to the large‐scale (coarse‐grained) structure of the language ...
Vasilii A. Gromov   +3 more
wiley   +1 more source

Contours of the technological breakthrough in Russia and the Orenburg region 

open access: yesИнтеллект. Инновации. Инвестиции, 2019
Russia has been set the task of becoming one of the five economies in the world by 2024. The Russian regions must take an active part in this task. Therefore, the study of issues related to the implementation of technological breakthrough in Russia and ...
M.G. Lapaeva, O.F. Lapaeva 
doaj   +1 more source

THE FIRST ORGANIZED RESETTLEMENT OF UKRAINIANS TO THE SOUTH URALS: PLANS, IMPLEMENTATION, RESULTS (1739–1745)

open access: yesИзвестия высших учебных заведений. Поволжский регион: Гуманитарные науки, 2020
Background. From the moment of its foundation, Orenburg province has had scarce population. One of the sources of its replenishment, according to the Orenburg authorities, could be Ukrainian immigrants – Cherkasy.
S. V. Dzhundzhuzov
doaj   +1 more source

Sandy steppe vegetation in Orenburg Region

open access: yesVegetation of Russia, 2018
Aeolian forms of relief in the Orenburg Region occupy limited territories (Ryabukha, 2014). Sandy landforms in the region are distributed on terraces of the rivers Samara, Ural, Ilek, Irtek, Borovka, Bolshoy Uran, Malyy Uran, Or, Kumak, etc., and mostly are spread along the right banks of these rivers.
N. A. Dulepova   +4 more
openaire   +1 more source

Testing a Susceptible Population Density Among Other Explanatory Factors of African Swine Fever Spread in Wild Boar Using the Russian Federation Data, 2007–2023

open access: yesTransboundary and Emerging Diseases, Volume 2025, Issue 1, 2025.
This study aims to identify the role of various natural, socioeconomic, and demographic factors in the development of the African swine fever (ASF) epizootic among wild boar in the Russian Federation (RF) from 2007 to 2023. In this study, particular emphasis was placed on testing the significance of wild boar population density as a key factor ...
O. I. Zakharova   +8 more
wiley   +1 more source

The Actual Aspects of Analysis of Medicinal Plants, Growing on the Territory of Orenburg Region [PDF]

open access: yes, 2017
The favorable climatic and geographic conditions for vegetation of medicinal plants of Orenburg region were described. Present information was confirmed by the results of qualitative and quantitative analysis of biologically active substances in ...
Nikandrova M. A.   +3 more
core   +1 more source

Study and publication of the works of P.I. Rychkov and their reflection in educational literature on the history of the Orenburg region

open access: yesВестник Самарского университета: История, педагогика, филология
The article provides a historiographical overview of the scientific activities of Pyotr Ivanovich Rychkov, an outstanding Russian scientist who studied the Orenburg region, leaving behind scientific works on geography, economics, ethnography, various ...
S. V. Dzhundzhuzov, E. V. Godovova
doaj   +1 more source

Western Anthelmintics in Early Twentieth‐Century China Colonial Practices and Knowledge on “Tropical Diseases” of the In/between**

open access: yesBerichte zur Wissenschaftsgeschichte, Volume 47, Issue 4, Page 330-351, December 2024.
Abstract Protestant (medical) missionaries were the main proponents of Western medicine in China after the Opium Wars. Several studies have highlighted how they used spectacular surgery as a means of gaining public trust. As well as surgery, they also administered anthelmintic drugs such as santonin as a tool of persuasion and conversion.
Dominik Merdes
wiley   +1 more source

Energy‐saving technologies and energy efficiency in the post‐COVID era

open access: yesSustainable Development, Volume 32, Issue 5, Page 5294-5310, October 2024.
Abstract The COVID‐19 pandemic made people reevaluate their energy consumption and energy efficiency. It held up a mirror to humanity's opportunistic and ruthless deployment of energy sources. As the city streets went empty and the international air traffic stopped altogether, people witnessed the significant drop in CO2 emissions, realized their ...
Larisa Gorina   +3 more
wiley   +1 more source

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