Results 31 to 40 of about 17,512,953 (347)

Prehistoric exploitation of minerals resources. Experimentation and use-wear analysis of grooved stone tools from Grotta della Monaca (Calabria, Italy)

Archaeological and Anthropological Sciences, 2020
The Calabria region of Southern Italy is rich in mineralisation. Unfortunately, no consistent data are available about mineral exploitation in the later prehistoric periods.
Isabella Caricola, F. Breglia, F. Larocca, C. Hamon, C. Lemorini, F. Giligny   +5 more
semanticscholar   +1 more source

Plant processing experiments and use-wear analysis of Tabon Cave artefacts question the intentional character of denticulates in prehistoric Southeast Asia

Journal of Archaeological Science: Reports, 2020
The presence of notches on European Palaeolithic flaked stone tools termed ‘denticulates’ has been variously ascribed to cultural, functional and taphonomic factors. In Southeast Asia prehistoric stone tool assemblages are dominated by unretouched flakes,
H. Xhauflair, A. Pawlik, S. Jago-on, Timothy Vitales, J. Callado, D. Tandang, T. Palconit, D. Manipon, C. Gaillard, A. Theodoropoulou, N. Revel, H. Forestier   +11 more
semanticscholar   +1 more source

The non-utilitarian objects from the initial Upper Paleolithic Ushbulak site in eastern Kazakhstan

UISPP Journal, 2021
The Middle to Upper Palaeolithic transition shows numerous indications for a manifestation of abstract thinking and symbolic behavior. In northern Central Asia this process is illustrated by the appearance and distribution of personal ornaments (pendants,
Lidiya V. Zotkina, Anton A. Anoykin, Vladimir M. Kharevich, Galina D. Pavlenok   +3 more
doaj   +1 more source

Sliding wear of a-C:H coatings against alumina in corrosive media [PDF]

, 2013
This paper reports the results obtained from the study of friction and sliding wear in two corrosive solutions of an a-C:H coating deposited on 316L stainless against an alumina ball, employed as static counter part. Calculations of the values of the von
La Barbera Sosa, J.G., PUCHI-CABRERA, Eli-Saul, IOST, Alain, Santana Mendez, Y.Y., PUCHI-CABRERA, E.S., CHICOT, Didier, CHICOT, D., van Gorp, A., SANTANA, Y.Y., VAN GORP, Adrien, Carrasquero, E.J., Iost, A., STAIA, M.H., Puchi-Cabrera, Eli Saúl, CARRASQUERO, E., LA BARBERA-SOSA, J.G., Santana-Mendez, Y.Y.   +16 more
core   +1 more source

Electrostatic wear monitoring of rolling element bearings [PDF]

, 2007
Research and development work at the University of Southampton using an electrostatic condition monitoring system developed by Smiths Aerospace Information Systems has shown that electrostatic charge signals can be used to detect the onset of wear in ...
Harvey, T.J., Powrie, H.E.G., Wood, R.J.K.   +2 more
core   +1 more source

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

Поволжская 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., Golovanova Liubov V. , Doronichev Vladimir B. , Poplevko Galina N. , Spasovsky Yuri N.   +4 more
doaj   +1 more source

Tool-life and wear mechanisms of CBN tools in machining of Inconel 718 [PDF]

, 2007
The demand for increasing productivity when machining heat resistant alloys has resulted in the use of new tool materials such as cubic boron nitride (CBN) or ceramics.
DESSOLY, Michel, GUILLET, Yoann, POULACHON, Gerard, Guillet,, Yoann, COSTES, Jean-Philippe   +4 more
core   +1 more source

ПОСЕЛЕНИЕ ПЕРЕХОДНОГО ВРЕМЕНИ (IX—VII ВВ. ДО Н.Э.) СЕРЕКТАС-2 В ЖЕТЫСУ: НОВЫЕ ДАННЫЕ [PDF]

Материалы по археологии и истории античного и средневекового Причерноморья
В статье представлены материалы раскопок поселения Серектас-2, полученные в 2024 г. Цель исследования — комплексное изучение полученной коллекции с применением междисциплинарных методов.
Ермолаева, А.С., Ержанова, А.Е., Дубягина, Е.В., Шагирбаев, М.С., Тангытова, Д.К.   +4 more
doaj   +1 more source

Los denticulados del yacimiento de Aizpea (Arive, Navarra): análisis de huellas de uso e interpretación funcional [PDF]

Munibe Antropologia-Arkeologia, 2020
En este trabajo se presentan los resultados del análisis funcional de las láminas y lascas con muescas o denticuladas, procedentes de los niveles del Mesolítico final y Neolítico antiguo del yacimiento de Aizpea (Arive, Navarra).
María Amparo Laborda Martínez
doaj   +1 more source

An integrated approach based on archaeometry, use-wear analysis and experimental archaeology to investigate the function of a specific type of basin diffused in the Predynastic sites of lower Egypt (4th mill. BC)

, 2020
This paper focuses on the functional analysis of a specific oval shaped basin diffused in Lower Egyptian Predynastic sites during the first half of the 4th millennium BC.
Jade Bajeot, Isabella Caricola, L. Medeghini, V. Vinciguerra, V. Forte   +4 more
semanticscholar   +1 more source