Results 1 to 10 of about 445,541 (165)

Technology for the production of sickles and knives of the Petrovka Culture of the Southern Trans-Urals (by the results of metallographic analysis) [PDF]

open access: yesВестник археологии, антропологии и этнографии, 2023
The data of the metallographic study of sickles and knives (37 pcs) of the Petrovka Culture from the Southern Trans-Urals and the Middle Tobol River basin of the 19th–18th centuries BC are reported.
Degtyareva A.D.
doaj   +1 more source

Characteristics of Ore Protolith in Bronze Age Metallurgy of Steppe Cis-Urals

open access: yesАрхеология евразийских степей, 2022
The paper addresses the issues of determining the probable sources of copper raw materials in the Bronze Age metal production of the 4th–2nd Millennia BC in the territory of the steppe Cis-Urals.
Sergei V. Bogdanov
doaj   +1 more source

Middle Trans-Urals and Western Siberia: from the Stone Age of to the Metal Age

open access: yesПоволжская археология, 2023
The article deals with the peculiarities of formation processes of the Bronze Age among the population of hunters and fishermen of the mountain-forest Trans-Urals and the West Siberian taiga at the end of III – beginning of II millennium BC.
Korochkova Olga N.
doaj   +1 more source

Production of Sustainable Hydrogen and Carbon for the Metallurgical Industry

open access: yesMaterials Proceedings, 2021
Hydrogen will presumably become an important substitute for carbon as a reductant in the metallurgical industry for processes such as steel production.
Roar Jensen   +2 more
doaj   +1 more source

Simulating the Use of a Smelter Off-Gas in the Precipitation Stage of the Pedersen Process

open access: yesMaterials Proceedings, 2021
The Pedersen process is an alumina production process, which combines pyrometallurgical and hydrometallurgical methods. In the pyrometallurgical stage, limestone is calcined and CO2 is generated. This off-gas can be captured with a high CO2 concentration.
Andriani Manataki   +2 more
doaj   +1 more source

Metsamor in Armenia: the sixth season of fieldwork in 2018 [PDF]

open access: yesPolish Archaeology in the Mediterranean, 2019
Archaeological exploration of the eastern part of the settlement in Metsamor in 2018 uncovered several rectangular structures. Most of these structures were dated to the early Iron Ages I and II. Roman-period graves were recorded in the ruins of the Iron
Krzysztof Jakubiak   +2 more
doaj   +1 more source

Archaeological excavations at Lungi Tepa, south Uzbekistan. Report for Season 2021 [PDF]

open access: yesStudia Hercynia, 2023
This report summarises the preliminary results of the second season of excavations at the site of Lungi Tepa in the Kugitang Piedmonts, south Uzbekistan. The research was conducted by a Czech-Uzbek team in autumn 2021.
Ladislav Damašek   +3 more
doaj  

Non-ferrous metal of the Bronze Age of Northern Kazakhstan: geochemical characteristics and ore base [PDF]

open access: yesВестник археологии, антропологии и этнографии
The chemical composition of 29 copper and bronze artifacts from the sites of the Petrovka and Alakul Cultures located between the Tobol and Ishim Rivers (the burial grounds of Bekteniz and Dzhangildy 5, and the sites of Novonikolskoye 1 and Semiozernoye ...
Artemyev D.A.   +3 more
doaj   +1 more source

Silicon carbide formation from methane and silicon monoxide

open access: yesScientific Reports, 2020
Silicon carbide (SiC) formation plays an important role during the production of elemental silicon. SiC forms through a high temperature reaction between silicon monoxide gas (SiO) and carbon.
Trygve Storm Aarnæs   +2 more
doaj   +1 more source

Non-Ferrous Metal of Early Alakul (Petrovka) Culture of Bronze Age in Central Kazakhstan

open access: yesПоволжская археология, 2020
Data of an analytical research (X-ray fluorescence and metallographic analyses, electron scanning microscope) of products from burial grounds of the early Alakul (Petrovka) culture in Central Kazakhstan revealed the features of manufacturing techniques ...
Degtyareva Anna D.   +5 more
doaj   +1 more source

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