251 research outputs found
Electronic Town Meeting a Palermo. Dispositivi tecnologici e limiti della partecipazione
Gli autori propongono una riflessione sull'uso dello strumento di partecipazione a partire dall'esperienza maturata a Palerm
MIKC type genes of the MADS-box family in wheat: molecular and phylogenetic analysis
Este artigo pretende verificar como o discurso das revistas femininas vincula a identidade da mulher portuguesa Ă beleza fĂsica e sensual, projeta uma imagem irreal do ideal de vida feminino e mitifica o papel da sexualidade.
O corpus selecionado para esta pesquisa, constitui-se por ediçÔes da revista Activa e Happy Woman (Happy Woman), sendo o recorte temporal escolhido de Janeiro a Dezembro de
2012. Os magazines escolhidos constituem atualmente as revista femininas mais lida em Portugal, segundo dados recolhidos pelo estudo Bareme Imprensa do grupo Marktest.This article analyses how the speech of woman magazines relate the identity of the Portuguese women to physical and sexual beauty, project an illusory ideal of feminine life and builds up the myth of sexuality. The corpus selected for this research consists in editions from the magazine Activa and Happy Woman (Happy Woman), published between January and December 2012. The selected magazines are the most read female magazines in Portugal, according to the study Bareme Imprensa from Marktest
Seed storage proteins of wild wheat progenitors and their relationships with technological properties
~A large collection of wild wheat progenitors, consisting of diploid (Triticum boeoticum Boiss. and Triticum urarlu Turn.) and tetraploid wheats (Triticum dicoccoides Korn.) was evaluated for certain grain quality parameters such as protein content and the SDS-Sedimentation test. The variation in protein content was larger in T. dicoccoides, ranging from 16 to 27 %, compared to diploid wheat (20-28 %). Some accessions appeared to be very promising for gluten properties, as measured by the SDS-test, when compared with some durum wheat cultivars. To determine the relationships between particular protein components and gluten properties, diploid, tetraploid wheats, and synthetic amphiploids (AABB x DD) were analysed by different electrophoretic procedures. Attention was focused on the study of the allelic variation at loci that in cultivated wheats play the major role in determining gluten quality (Glu-I, Gli-I and GIu-3). The range of allelic variation at the loci examined is remarkable, and genetic variants unique to wild wheats and positively related to gluten quality are reported
MULTI-WAVELENGTHS 3D LASER SCANNING FOR PIGMENT AND STRUCTURAL STUDIES ON THE FRESCOED CEILING <q>THE TRIUMPH OF DIVINE PROVIDENCE</q>
Abstract. The modern 3D digitalization techniques open new scenarios on how to transmit to the next generations the state of health of Cultural Heritage (CH) buildings, paintings, frescos or statues. The final goal of the 3D digitalization is an exact replica of the acquired target, but a standard and unique technique able to digitalize artworks of different size and in different ambient light conditions is still far from being successfully ready for the CH field. Even if both laser scanning and photogrammetry can be considered mature techniques, applied with success in most of the Cultural Heritage study cases, they are limited in terms of colour digitalization and image quality in all the cases where ambient light and big sensor-target distances are crucial factors: differently to standard laser scanners, which collect colour information by the use of a coaxial camera and the distance by an IR laser source, the RGB-ITR (Red, Green and Blue Imaging Topological Radar) scanner, developed in ENEA, is equipped with three different laser sources for the simultaneous colour and distance estimation. The present work shows the results obtained applying the above-mentioned multi-wavelengths laser scanner for collecting a complete high-quality 3D colour model of "The Triumph of Divine Providence" vault, painted by Pietro da Cortona on the ceiling of the noble hall inside Palazzo Barberini in Rome.</p
the contribution of sex and auto antibodies to microangiopathy assessed by nailfold videocapillaroscopy in systemic sclerosis a systematic review of the literature
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Radiation Tolerant 3D Laser Scanner for Structural Inspections in Nuclear Reactor Vessels and Fuel Storage Pools
Accurate and timely assessment of displacements and/or structural damages in nuclear reactor vessels' components is a key action in routine inspections for planning maintenance and repairs but also in emergency situations for mitigating consequences of nuclear incidents. Nevertheless, all these components are maintained underwater and reside in high-radiation fields thus imposing harsh operative conditions to inspection devices which must cope with effects such as Cerenkov radiation background, Total Ionizing Radiation (TID), and occlusions in the detectors' field of view. To date, ultrasonic techniques and video cameras are in use for inspection of components' integrity and with measurements of volumetric and surface crack opening displacements, respectively. The present work reports the realization of a radiation tolerant laser scanner and the results of tests in a nuclear research reactor vessel for acquisition of 3D models of critical components. The device, qualified for underwater operation and for withstanding up to 1âMGy of TID, is based on a 515ânm laser diode and a fast-scanning electro-optic unit. To evaluate performances in a significant but controlled environment, the device has been deployed in the vessel of a research reactor operated by ENEA in the Casaccia Research Centre in Rome (Italy). A 3D model of the fuel rods assembly through a cooling water column of 7âm has been acquired. The system includes proprietary postprocessing software that automatically recognizes components of interest and provides dimensional analysis. Possible application fields of the system stretch to dimensional analysis also in spent nuclear fuel storage pools
Remote and contactless infrared imaging techniques for stratigraphical investigations in paintings on canvas
AbstractIn the analysis of complex stratigraphical structures like painted artefact, infrared (IR) techniques can provide precious information about elements hidden under superficial layers of the artwork, such as pictorial features and structural defects. This paper presents a novel complementary use of reflectographic and thermographic techniques for the survey of three baroque paintings, preserved at the Chigi Palace in Ariccia (Italy). First, the IR-ITR laser scanner prototype has been used for the preliminary and remote near-IR reflectographic survey of the areas where the canvas was located. The resulting map was then used for planning the thermographic and mid-IR reflectographic studies, focusing the analyses on the most interesting areas of one of the paintings, called "La Primavera". The combination of the three imaging techniques revealed several details not visible by the naked eye, such as restored lacunas and pentimenti, demonstrating the validity and complementarity of the proposed combined methodologies
Higher 90-day mortality after surgery for hip fractures in patients with covid-19: A caseâcontrol study from a single center in italy
The mortality of hip fracture (HF) patients is increased by concomitant COVID-19; however, evidence is limited to only short follow-up. A retrospective matched caseâcontrol study was designed with the aim to report the 90-day mortality and determine the hazard ratio (HR) of concomitant HF and COVID-19 infection. Cases were patients hospitalized for HF and diagnosed with COVID-19. Controls were patients hospitalized for HF not meeting the criteria for COVID-19 diagnosis and were individually matched with each case through a caseâcontrol (1:3) matching algorithm. A total of 89 HF patients were treated during the study period, and 14 of them were diagnosed as COVID-19 positive (overall 15.7%). Patientsâ demographic, clinical, and surgical characteristics were similar between case and control groups. At 90 days after surgery, 5 deaths were registered among the 14 COVID-19 cases (35.7%) and 4 among the 42 HF controls (9.5%). COVID-19-positive cases had a higher risk of mortality at 30 days (HR = 4.51; p = 0.0490) and 90 days (HR = 4.50; p = 0.025) with respect to controls. Patients with concomitant HF and COVID-19 exhibit high perioperative mortality, which reaches a plateau of nearly 30â35% after 30 to 45 days and is stable up to 90 days. The mortality risk is more than four-fold higher in patients with COVID-19
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