Results 41 to 50 of about 26,924 (201)

Eye makeup in Northwestern Iran at the time of the Assyrian Empire: a new kohl recipe based on manganese and graphite from Kani Koter (Iron Age III)

open access: yesArchaeometry, EarlyView.
Abstract Kohl was ubiquitous in ancient Egypt and the Middle East, and routinely included among the toiletries deposited in burials. For Egypt, kohl recipes are increasingly well‐studied and known to use a range of inorganic and organic ingredients. Although these are often lead‐based, manganese‐ and silicon‐rich compounds are also attested.
Silvia Amicone   +7 more
wiley   +1 more source

Modulación composicional en la perovskita “PbCrO3” y su influencia en las propiedades

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2010
In this work, we revisited the “PbCrO3” perovskite. In the late 60’s, it was claimed to be cubic and a G-type antiferromagnetic material (1, 2). We have encountered that an intrinsic compositional modulation is present and shows a deficiency in lead of ...
Alario-Franco, Á.   +2 more
doaj  

Greek Commodities in Phoenicia: An Interdisciplinary Study of Imported Amphorae From Tell el‐Burak (Lebanon)

open access: yesArchaeometry, EarlyView.
ABSTRACT This paper examines transport amphorae of Greek/Aegean types from the 7th–4th c. BCE imported to the Phoenician coastal settlement of Tell el‐Burak, Lebanon. We present a selection of 58 pieces analyzed by typological, chemical (NAA), and petrographic approaches.
Maximilian Rönnberg   +3 more
wiley   +1 more source

Investigating Technology and Raw Materials Source of the Archaic and Classical Architectural Terracottas From the Athenaion in Castro (Apulia, Italy)

open access: yesArchaeometry, EarlyView.
ABSTRACT Since 2000, archaeological excavations have brought to light the sanctuary of Athena in Castro (Apulia, Italy), including terracotta roofs dated between the 6th and 4th centuries bce. Based on their morphological and stylistic features, it is suggested that the terracotta items were manufactured in the Greek colony of Taras (modern Taranto ...
M. M. N. Franceschini   +7 more
wiley   +1 more source

Structural determination of new solid solutions [Y2-x Mx ][Sn2-x Mx ]O7-3x/2 (M = Mg or Zn) by Rietveld method [PDF]

open access: yesProcessing and Application of Ceramics, 2010
New [Y2-x Mx][Sn2-x Mx]O7-3x/2 (0 ≤x≤ 0.30 for M = Mg and 0 ≤x≤ 0.36 for M = Zn) solid solutions with the pyrochlore structure were synthesized via high-temperature solid-state reaction method.
Mohamed Douma   +3 more
doaj  

Hydrometallurgical extraction of Al and Si from kaolinitic clays [PDF]

open access: yes, 2017
Herein is presented the results of a study on the hydrometallurgic extractionand recovery of aluminum and silicon by leaching of kaolinitic clays with HF. Thestudied extraction parameters were: temperature, reaction time, solid/liquid ratio,concentration,
Pinna, Eliana Guadalupe   +3 more
core   +3 more sources

The Bauhaus as Education Model: Enduring Design and Powerful Knowledge

open access: yesInternational Journal of Art &Design Education, EarlyView.
Abstract The influence of the Bauhaus art, design, and architecture school is still relevant a century after it was closed down. Although its theory of learning is somewhat elusive there is significant agreement that the school continues to inspire domestic and commercial design, as well as stimulating interdisciplinary learning in institutions across ...
Martin Johnson, Tim Oates
wiley   +1 more source

Hydraulic fast‐setting calcium silicate cement for crown cementation

open access: yesJournal of Prosthodontics, EarlyView.
Abstract Purpose This study evaluated film thickness, diametral tensile strength (DTS), and crown retentive strength of hydraulic fast‐set calcium silicate cement (fast‐set CSC) compared to conventional luting cements. Materials and Methods Fast‐set CSC was compared to zinc phosphate cement and glass ionomer cement.
Atefeh Nemati Karimooy   +3 more
wiley   +1 more source

Relación entre los mecanismos de difusión atómica y las propiedades ópticas en la sinterización por Spark Plasma Sintering (SPS) de la alúmina.

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2009
The control of the sintering parameters during spark plasma sintering (SPS) of polycrystalline alumina allows modifying the contribution due to the different atomic diffusion mechanisms.
Torrecillas, R.   +3 more
doaj  

Thickness-dependent piezoelectric behaviour and dielectric properties of lanthanum modified BiFeO3 thin films [PDF]

open access: yesProcessing and Application of Ceramics, 2011
Bi0.85La0.15FeO3 (BLFO) thin films were deposited on Pt(111)/Ti/SiO2 /Si substrates by the soft chemical method. Films with thicknesses ranging from 140 to 280 nm were grown on platinum coated silicon substrates at 500°C for 2 hours.
Glenda Biasotto   +5 more
doaj  

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