Results 41 to 50 of about 2,380 (187)

Pre-Mongolian Medieval Nomadic Monuments from the Saratov Region

open access: yesНижневолжский археологический вестник
The purpose of the article is to compile an up-to-date summary of the medieval nomad monuments dating back to the pre-Mongol period on the territory of the Saratov region.
Aleksey B. Malyshev, Aleksey I. Rakushin
doaj   +1 more source

Alejandro Magno y los rusos según el "Iskandarnāma" de Niẓāmī Ganŷavī [PDF]

open access: yes, 2014
El objeto de este estudio es presentar y analizar el capítulo sobre las batallas entre los rusos y Alejandro Magno según la versión que da el poeta persa Neẓāmī (siglo XII) en su Šarafnāma, primera parte del Iskandarnāma.L'objecte d'aquest estudi és ...
Manteghi, Haila
core   +1 more source

A milestone in the Seljuk-Georgian conflicts: the Battle of Didgori (1121) and its results [PDF]

open access: yes, 2016
The relationships between Seljuk-Georgian, which started in beginning of the 11th century, witnessed lots of clashes. A short time after coming to the area, Seljuks made the Georgians accept their superiority. However, with the accesion of David IV to
Ateş, Erhan
core   +1 more source

Rare Artefakts of the Khazar Khaganate Epoch (notes about khazar-hungarian art)

open access: yesTeoriya i praktika arkheologicheskikh issledovaniy, 2016
The article considers unique finds of the Khazar Khanate-9 epoch [the 9th - the beginning of the 10th centuries AD). It is a round overlay with the image of the horseman (hunter) with the hawk on his left hand. The comparison with other images of horsemen on silver bowls and dishes, dated 9-10th centuries showed that the given drawing is
openaire   +3 more sources

A Modified Isolated Z‐Source AC–AC Converter With Inherent Commutation and Reduced Polarity Changer Switches

open access: yesIET Power Electronics, Volume 19, Issue 1, January/December 2026.
In this paper, a modified isolated Z‐source AC–AC converter with inherent commutation and reduced polarity changer switches is proposed. This converter enables flexible output voltage adjustment, determined by two degrees of freedom—namely, the high‐frequency transformer turns ratio and the duty cycle.
Deniz Zargariafshar   +3 more
wiley   +1 more source

The Early Khazars and Turks in the Byzantium-Persian Wars of Late 6th and Early 7th Centuries

open access: yesVestnik RUDN. International Relations, 2011
The article is devoted to the political and ethnic history of the Early Khazars and Göktürks in the Ciscaucasia and the problem of balance of forces in this region during the Byzantium-Persian Wars of late 6th and early 7th centuries.
E S Galkina
doaj  

The chronology of Volga Bulgaria antiquities within medieval migrations system of Eastern Europe

open access: yesПоволжская археология, 2014
Based on the author's cultural-chronological stratigraphy of the antiquities of the early and pre-Mongol Volga Bulgars in the 8th through to 13th centuries, the stages of their migration from the north-eastern provinces of the Saltov culture territory to
Kazakov Evgeniy P.
doaj   +1 more source

The Khazars and the Jews [PDF]

open access: yes, 2009
One of the tactics used by some anti-Christian Zionists is to say that most modern Jews are not true descendants of Abraham, Isaac, and Jacob. This errant theory is based upon wrong conclusions that they have drawn from the history of a medieval nation ...
Ice, Thomas D.
core  

Unifying Concepts in Topology: Analyzing Sg∗‐Open and Sg∗‐Closed Sets in Generalized Primal Topological Spaces

open access: yesJournal of Mathematics, Volume 2026, Issue 1, 2026.
This research introduces the concept of Sg∗‐open and Sg∗‐closed sets within the framework of primal topological spaces, extending the existing body of knowledge in topology. Initially, this paper reviews fundamental topological structures, including open sets, semiopen sets, semistar open sets, and generalized open sets in generalized topological ...
Muhammad Shahbaz   +5 more
wiley   +1 more source

Experimental investigation of surface activity, micellization behaviour, and enhanced oil recovery performance of saponin‐based green surfactants

open access: yesThe Canadian Journal of Chemical Engineering, Volume 103, Issue 12, Page 5875-5894, December 2025.
This graphical abstract illustrates the steps carried out in the laboratory study, including saponin modification and characterization, surface tension, interfacial tension, contact angle, adsorption, and surfactant injection tests. Abstract In this study, three forms of saponin surfactants extracted from the Camellia sinensis plant (CS1, CS2, and CS3)
Iman Nowrouzi   +2 more
wiley   +1 more source

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