Results 161 to 170 of about 815,616 (178)
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A XANES study on the structural role of zinc in ancient tile glazes of Portuguese origin

X-Ray Spectrometry, 2008
Abstract Lead‐rich blue‐and‐white tile glazes (16th to 17th century, Portuguese manufacture) were studied by x‐ray absorption near‐edge spectroscopy (XANES) to assess the speciation and coordination environment of zinc, a fuser metal commonly used along with lead in ancient glazes.
João Pedro Veiga   +1 more
exaly   +2 more sources

Technical replicas of Portuguese ceramic tile bodies produced in the Oporto region in the late nineteenth to early twentieth centuries

Studies in Conservation, 2016
Portugal is well known for its facades decorated entirely with ornamented glazed ceramic wall tiles called azulejos. On ageing, the tiles may detach and fall off, or deteriorate to such an extent that it becomes necessary to replicate them. Hence tile replication is a common practice in Portugal for facade restoration, but very often these new tiles do
João Coroado   +2 more
exaly   +3 more sources

Deep learning-based automated tile defect detection system for Portuguese cultural heritage buildings

open access: yesJournal of Cultural Heritage
A prominent feature in Portuguese historic architecture is Portugal's azulejos or tiles that cover cultural heritage buildings with colorful patterns. However, tiles are prone to deterioration due to the quality of masonry materials, exposure over time, and natural and human factors.
Paulo B. Lourenco   +2 more
exaly   +3 more sources

Electrochemical Desalination of Historic Portuguese Tiles, Azulejos, in laboratory scale

2011
Soluble salts causes decay of historic Portuguese tiles. Treatment options for removal of thesalts are few. The present paper deals with development of a method for electrokineticdesalination, where an electric DC field is applied. Experiments are conducted with XVIIIcentury tiles with and without mortar from the tile bed.
Ottosen, L. M.   +2 more
openaire   +1 more source

Effects of a constructional intervention on airborne and deposited particulate matter in the Portuguese National Tile Museum, Lisbon

Environmental Science and Pollution Research, 2012
In the 1970s, a large ambulatory of the National Tile Museum, Lisbon, was closed with glass panes on both ground and first floor. Although this design was meant to protect the museum collection from ambient air pollutants, small openings between the glass panes remain, creating a semi-enclosed corridor.
Anaf, Willemien   +5 more
openaire   +3 more sources

Microbiological and compositional features of green stains in the glaze of the Portuguese “Great View of Lisbon” tile panel

Journal of Materials Science, 2015
Peer ...
Sandra Cabo Verde   +9 more
openaire   +2 more sources

Physical-chemical characterization of historical Portuguese tiles

2012
A group of Portuguese tiles from the 17th century with manufacturing defects and several forms of decay were characterized as to chemical and mineralogical composition and physical properties of the glaze and ceramic body. The study included multi-analytical techniques: X-ray fluorescence (XRF), X-ray diffraction (XRD) and thermogravimetric and ...
Morais Pereira, S.   +4 more
openaire   +1 more source

Physical-Chemical characterization of historic portuguese tiles

2011
Este registo pertence ao Repositório Científico do ...
Morais Pereira, S.   +2 more
openaire   +1 more source

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