Results 1 to 10 of about 64,276 (302)

Some Remarks on the Significance of Gold Based on Byzantine Ekphraseis of Works of Art

open access: yesStudia Ceranea, 2020
The abundance of gilding is considered to be a particularly characteristic feature of Byzantine art. This attribute can be confirmed by even a cursory analysis of works of art.
Magdalena Garnczarska
doaj   +1 more source

Role of Cyclic Thermal Shocks on the Physical and Mechanical Responses of White Marble

open access: yesMachines, 2022
Marble is a common rock used in many buildings for structural or ornamental purposes and is widely distributed in underground engineering projects. The rocks are exposed to high temperatures when a tunnel fire occurs, and they will be rapidly cooled ...
Yujie Feng   +3 more
doaj   +1 more source

Fracture precursor phenomena in marble specimens under uniaxial compression by means of Acoustic Emission data

open access: yesFracture and Structural Integrity, 2019
Marble specimens are subjected to a specially designed stepwise loading protocol, in an attempt to detect fracture precursor phenomena taking advantage of Acoustic Emission (AE) data.
Dimos Triantis, Stavros K. Kourkoulis
doaj   +1 more source

Multidisciplinary Approach to Characterize Archaeological Materials and Status of Conservation of the Roman Thermae of Reggio Calabria Site (Calabria, South Italy)

open access: yesApplied Sciences, 2020
This multidisciplinary research focuses on diagnostic investigations to characterize the archaeological materials, as well as the alteration and degradation forms detected at the Roman Thermae of Reggio Calabria (Calabria, South Italy) site.
Michela Ricca   +9 more
doaj   +1 more source

Reimagining a Buddhist Cosmopolis: Conveying Marble Buddhas from Burma to China, 1890s-1930s

open access: yesJournal of Global Buddhism, 2023
Discussions about Buddhist connections between China and Southeast Asia in the late Qing and Republican periods often conform to a meta-narrative of Buddhist modernism that emphasizes the trajectories of eminent monks and reformative initiatives in and ...
Beiyin Deng
doaj   +1 more source

Ammonium N-(pyridin-2-ylmethyl)oxamate (AmPicOxam): A Novel Precursor of Calcium Oxalate Coating for Carbonate Stone Substrates

open access: yesMolecules, 2023
Ammonium N-(pyridin-2-ylmethyl)oxamate (AmPicOxam), synthesized from O-methyl-N-(pyridin-2-ylmethyl)oxamate, was spectroscopically and structurally characterized and assayed as a novel precursor for the protection and consolidation of carbonate stone ...
Anna Pintus   +14 more
doaj   +1 more source

Preparation of a Graphene-Enhanced Hydroxyapatite Film on Dolomitic Marble by the Sol-Gel Method

open access: yesCrystals, 2023
The preparation of continuous hydroxyapatite film on stone is a promising method of protecting marble from erosion. However, many methods negatively affect the calcium in the substrate and forming of struvite on the dolomite surface, leading to a ...
Feng Wang, Di Li, Yaoqi Gu, Shuya Wei
doaj   +1 more source

Seriality and Individualization: Carving the Fluted Sarcophagi from Hierapolis of Phrygia

open access: yesOpen Archaeology, 2023
Several marble sarcophagi, including both plain or fluted coffins and chests decorated with garlands, friezes, and elaborate compositions framed by columns and covered with roof-shaped or kline lids, are attested in the Roman burial grounds at Hierapolis
Anguissola Anna
doaj   +1 more source

Methanotrophy under extreme alkalinity in a serpentinizing system

open access: yesNature Communications
Serpentinization produces hyperalkaline, H₂- and CH₄-rich fluids that support microbial life and serve as analogs for ocean worlds such as Enceladus. While methane production in these systems has been well studied, methane consumption—especially under ...
Alta E. G. Howells   +7 more
doaj   +1 more source

A Study on Radiation Hazard of Granite and Marble Widely Used in Jordan Using Gamma Ray Spectrometer

open access: yesAtom Indonesia, 2022
Granite and marble are widely used in building construction, so possible radioactive nuclides inside them may contribute to the exposure dose to human health. The purpose of this study was to investigate the natural radioactivity concentration and assess
A. N. Akour, S. Shakhatreh
doaj   +1 more source

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