Search results for "PEI"
showing 10 items of 367 documents
CARACTÉRISATION ET MODÉLISATION DE PEIGNES DE FRÉQUENCES KERR DANS DES CAVITÉS LASER BRILLOUIN À FIBRE
2022
Nous étudions une cavité en anneau non réciproque simple et reconfigurable pour générer des peignes de fréquences optiques accordables. Nous démontrons que des peignes cohérents peuvent être obtenus en exploitant finement la rétrodiffusion Brillouin stimulée et le mélange à quatre ondes en cascade dans la cavité à fibre non-linéaire.
Geologishe Karte Ostlands und angrenzender Gebiete des Europäische Russlands (ohne Quartär)
1942
Mērogs: 1:1.500.000
Water as a Solvent of Election for Obtaining Oleuropein-Rich Extracts from Olive (Olea europaea) Leaves
2021
Leaves from Olea europaea represent one of the main by-products of the olive oil industry, containing a plethora of bioactive compounds with several promising activities for human health. An organic solvent-free extraction method was developed for the recovery of olive leaf phenols, which obtained an extract containing oleuropein in high amounts. A comparison of various extraction media is reported, together with the total phenolic content, DPPH (2,2-Diphenyl-1-picrylhydrazyl) content, ORAC (oxygen radical absorbance capacity), and polyphenol oxidase activity of the corresponding extracts. The polyphenol profiles and content of the most representative extracts have also been studied. Extrac…
The Contribution of Microchemical Analyses and Diagnostic Imaging to the Conservation and Identification of the Degraded Surfaces of Hellenistic-Roma…
2020
The Archaeological Museum of Palermo (Sicily) has recently presented the results of the restoration of three wall paintings from the House of the Masks of Solunto archaeological site. These significant paintings, dating back to the first century BCE, are the most significant examples of Pompeian style discovered in Sicily to date. The cycle of frescoes unearthed is the best preserved and most complete example of wall painting dating to the Republican Roman period in Sicily. This house was a luxurious private residence built on two floors and centred around a peristyle. This fresco cycle embellished the walls of a banquet room (oecus) discovered during an archaeological excavation carried ou…
Organic materials in the wall paintings in Pompei: a case study of Insuladel Centenario
2012
Abstract Background The present research concerns the Roman wall paintings preserved at Insula del Centenario (IX, 8), the important Pompeian block situated in the Regio IX, along Via di Nola. Results The aims of this research are two: to verify the presence of lipidic and proteinaceous material to spread the pigments, and to identify organic matter in painting materials owing to previous restoration works. The samples collected from the wall paintings of different rooms have been investigated by Fourier Transform Infrared Spectroscopy (FT-IR), and Gas Chromatography/ Mass Spectrometry (GC/MS). Conclusions The analytical results show that these Roman wall paintings were realized without the…
Eugène Ciceri (1813-1890) : Peindre, lithographier et enseigner le paysage au XIXe siècle
2020
The primary aim of the thesis is to expose the artist’s main biographical lines, which will appear as partly linked to his family background, involving him in the artistic world very early and influencing his life course, on a private but mostly on a professional level, and this throughout a long period covering three quarters of the 19th century.In the first part of the thesis the work of Eugène Ciceri as a painter will be explored - a work over which a certain amount of confusion has remained until now - in order to detect its main strengths and show how the artist develops his own grammar of landscaping. At first described as dense and diversified, his lithographic production will then b…
L’interesse per l’antico e i riflessi delle scoperte vesuviane nella Palermo di epoca borbonica
2019
The Bourbon excavations ad Herculaneum and Pompeii had a substantial echo in Sicily as well, and particularly in Palermo.
Una caccia al cinghiale, mostri marini e temi nilotici nei mosaici pavimentali dell’ottocentesco palazzo Forcella a Palermo: tra suggestioni classich…
2016
The Marquise Forcella palace in Palermo shows a curious mixture of neoclassical and neo-medieval styles. It was built in the years immediately after the revolution of 1820. Particularly close to the Borbonic Court, Enrico Forcella was the administrator of the restoration of the Royal Palace in Palermo. As he had at his disposal the same specialized workers of the Royal Palace, he decided to copy some of the artworks from King Roger’s room and the Cappella Palatina. He also added some details derived from other Norman buildings in Palermo. These included the Zisa Castle, but he also sourced the Islamic Palaces of Andalusia, in particular the Alhambra in Granada and the Alcazar in Seville. A …
Une nouvelle peinture médiévale à Notre-Dame de Paris : le tombeau de Simon Matifas de Bucy
2008
International audience; Sur le mur méridional de la chapelle d'axe de Notre-Dame de Paris, dédiée à saint Nicaise, subsiste aujourd'hui une importante peinture murale du XIVe siècle parisien. Vestige du tombeau à enfeu de Simon Matifas de Bucy, évêque de Paris de 1290 à 1304, l'œuvre, lourdement restaurée par Viollet-le-Duc au XIXe siècle, constitue pourtant possiblement l'unique témoignage de l'activité de Jean Pucelle dans le domaine de la peinture monumentale. Des relevés et documents indirects permettent de reconstituer en partie l'histoire matérielle de ce monument et d'en évaluer la place dans l'histoire de l'art du premier tiers du XIVe siècle.
Study of helminth parasites in the red mullet, Mullus barbatus, from the Mediterranean Sea and acquired in greater València, Spain
2013
The red mullet, Mullus barbatus, is a fish of great commercial value with a wide distribution in the North Atlantic and the Mediterranean Sea. However, the helminthfauna of the red mullet in Spain has been poorly studied and the potential parasitological risk for humans due to this fish remains almost unknown. With the aim to provide more information on the helminth community of this fish, 100 specimens caught in the Mediterranean Sea between January and May 2012 and acquired at various supermarkets near the city of València (Spain) were analysed. Helminths were identified based on morphological criteria. 50.0% of the specimens were parasitized by at least one of the six helminth species id…