Search results for "Figura"
showing 10 items of 867 documents
Dal quadro al modello virtuale: una ricostruzione tridimensionale interattiva dell'Albergheria di Palermo nel 1749
2011
This study suggests a virtual three-dimensional reconstruction of a large urban portion of Palermo Historical Centre modelled on an isometrical view of the 17th century entitled Descrizzione del distretto parrocchiale dell’Albergheria fatta l’anno 1749. It is a painting on canvas that has been kept inside the parish of S.Nicolò all’Albergheria, and which in latter days has been taken by the Museum of Palermo Diocese where it is presently exposed to the public. The work presents different levels of interest for the reading of urban ancient morphology which now has disappeared and for the right information of road textures, blocks and monuments represented there. The digital elaboration that …
No-core configuration-interaction model for the isospin- and angular-momentum-projected states
2016
[Background] Single-reference density functional theory is very successful in reproducing bulk nuclear properties like binding energies, radii, or quadrupole moments throughout the entire periodic table. Its extension to the multi-reference level allows for restoring symmetries and, in turn, for calculating transition rates. [Purpose] We propose a new no-core-configuration-interaction (NCCI) model treating properly isospin and rotational symmetries. The model is applicable to any nucleus irrespective of its mass and neutron- and proton-number parity. It properly includes polarization effects caused by an interplay between the long- and short-range forces acting in the atomic nucleus. [Metho…
Chemical constituents of the root wood of Erythrina sacleuxii and determination of the absolute configuration of suberectin
2020
Phytochemical investigation on the root wood of Erythrina sacleuxii (Leguminosae) led to the isolation of nine secondary metabolites (1-9). Compound 1 was isolated from the genus Erythrina for the first time. The pure compounds were identified on the basis of comprehensive spectroscopic and spectrometric analyses, while their absolute configurations were determined based on chiroptical measurements. Compounds 5 and 6 showed weak antifungal activity against Pyricularia oryzae with MIC values of 20 µg/mL.
 
 Bull. Chem. Soc. Ethiop. 2020, 34(1), 135-140.
 DOI: https://dx.doi.org/10.4314/bcse.v34i1.12
An In Vitro Phantom Study on the Role of the Bird-Beak Configuration in Endograft Infolding in the Aortic Arch.
2015
Purpose: To assess endograft infolding for excessive bird-beak configurations in the aortic arch in relation to hemodynamic variables by quantifying device displacement and rotation of oversized stent-grafts deployed in a phantom model. Methods: A patient-specific, compliant, phantom pulsatile flow model was reconstructed from a patient who presented with collapse of a Gore TAG thoracic endoprosthesis. Device infolding was measured under different flow and pressure conditions for 3 protrusion extensions (13, 19, and 24 mm) of the bird-beak configuration resulting from 2 TAG endografts with oversizing of 11% and 45%, respectively. Results: The bird-beak configuration with the greatest protr…
Integrated geophysical survey in the archaeological site of Himera (Northern Sicily)
2005
Estela antropomorfa con inscripción ibérica del Mas de Barberán (Nogueruelas, Teruel)
1998
The subject of this paper is a little known Iberian gravestele from Nogueruelas (Teruel). The find-spot, the Mas de Barberán, is close to the boundary with Cortes de Arenoso (Castellón). The piece is one of a class of stele charactised by figurative decoration and an inscription. The discussion focusses on the anthropomorphic shape of the piece, its iconography —the disk-cuirass—, and the inscription.
A theory ofnonverticaltriplet energy transfer in terms of accurate potential energy surfaces: The transfer reaction from π,π* triplet donors to 1,3,5…
2004
Triplet energy transfer (TET) from aromatic donors to 1,3,5,7-cyclooctatetraene (COT) is an extreme case of "nonvertical" behavior, where the transfer rate for low-energy donors is considerably faster than that predicted for a thermally activated (Arrhenius) process. To explain the anomalous TET of COT and other molecules, a new theoretical model based on transition state theory for nonadiabatic processes is proposed here, which makes use of the adiabatic potential energy surfaces (PES) of reactants and products, as computed from high-level quantum mechanical methods, and a nonadiabatic transfer rate constant. It is shown that the rate of transfer depends on a geometrical distortion paramet…
La Prima Guerra Mondiale nella cultura figurativa siciliana
2019
Nel volume "Dalla memoria del sacrificio alla celebrazione della Vittoria. La Prima Guerra Mondiale nella cultura artistica e architettonica siciliana", il contributo presenta una ricognizione sulla cultura figurativa in Sicilia durante la Prima Guerra Mondiale. Particolarmente interessante l'esame della ricezione artistica del primo conflitto mondiale che si manifestava da una lato nella celebrazione delle personalità eroiche che contribuirono alla vittoria dall'altro nell'interpretazione dei risvolti drammatici, collettivi e individuali, della guerra. L'indagine si concentra su un campione di dipinti, sculture e monumenti con particolare riferimento alla produzione di Mario Rutelli, Domen…
"Un personaggio di fiaba generoso e gentile". O'Tama Kiyohara e l'amicizia con Mario ed Elisa Oliveri
2017
Il testo ricostruisce - anche attraverso alcuni documenti inediti - il quadro dei rapporti fra il poeta ed editore Mario Oliveri (1900-1963), lo scultore Vincenzo Ragusa e sua moglie, la pittrice O'Tama Kiyohara, dal 1925 sino al ritorno di O'Tama in Giappone, nel settembre 1932.
Automated detection and classification of synoptic scale fronts from atmospheric data grids
2021
<p>Automatic determination of fronts from atmospheric data is an important task for weather prediction as well as for research of synoptic scale phenomena. We developed a deep neural network to detect and classify fronts from multi-level ERA5 reanalysis data. Model training and prediction is evaluated using two different regions covering Europe and North America with data from two weather services. Due to a label deformation step performed during training we are able to directly generate frontal lines with no further thinning during post processing. Our network compares well against the weather service labels with a Critical Success Index higher than 66.9% and a Object Detecti…