Search results for "RCA"
showing 10 items of 3171 documents
Bifurcation method of stability analysis and some applications
2014
In this paper a new approach to the analysis of implicitly given function- als is developed in the frame of elastic stability theory. The approach gives an effective procedure to analyse stability behaviour, and to determine the bifur- cation points. Examples of application of the proposed approach for analysis of stability are presented, more precisely we consider the stability problem of an axially moving elastic panel, with no external applied tension, performing transverse vibrations. The analysis is applicable for many practical cases, for example, paper making and band saw blades.
Banche e mercato del credito in Italia: tendenze di mercato, prospettive regolamentari e processi di disintermediazione.
2020
Il capitolo vuole fornire alcuni spunti di riflessione sulle tendenze del mercato del credito in Italia e sulle nuove prospettive regolamentari, in relazione alle innovazioni di carattere istituzionale e di mercato in atto nel sistema bancario italiano, adottando una prospettiva di osservazione che è quella dell’economia della banca. Nella prima parte saranno illustrate le dinamiche che hanno contrassegnato il mercato del credito italiano, nonché i principali profili gestionali relativi ai crediti deteriorati. Nella seconda parte saranno esaminati gli impatti sul mercato del credito delle nuove regole di vigilanza prudenziale, delle nuove regole contabili e sul capitale delle banche, i proc…
Una ricerca-intervento sul benessere organizzativo: il caso di un’amministrazione pubblica
2009
Il lavoro illustra i risultati di una ricerca-intervento condotta presso un’amministrazione pubblica. A seguito della richiesta dell’amministrazione committente, è stato elaborato un piano di lavoro con l’obiettivo di indagare, in prima istanza, le condizioni di benessere e di malessere organizzativo dell’organizzazione. La fase di indagine ha coinvolto tutti i 52 dipendenti ed è stato condotto attraverso l’utilizzo del MOHQ (Questionario Multidimensionale della Salute Organizzativa). I risultati emersi sono stati oggetto di restituzione al personale coinvolto, per esplicitare il modo in cui si è storicamente strutturata la loro convivenza organizzativa, e ai responsabili dell’amministrazio…
Los gustos artísticos de los «novatores» valencianos en torno a 1700: la colección de pintura de los marqueses de Villatorcas
2008
La casa del primer marqués de Villatorcas era famosa en la Valencia de finales del siglo xvii por la importante biblioteca que albergaba, sede de reuniones de carácter literario y científico. En 1702, el hijo y heredero del marqués, Juan Basilio Castelví, se casaba con la condesa de Cervellón y, con motivo del matrimonio, su padre le cedió una importante colección de pintura de la que destaca la procedencia italiana de la mayoría de los lienzos, sobre todo napolitanos, y la abundancia de pintura de género, de paisajes, de bodegones o de ruinas. El artículo nos permite estudiar la colección y su distribución en el interior de la vivienda.
Mini-Crush Versus T-Provisional Techniques in Bifurcation Lesions. Clinical and Angiographic Long-Term Outcome After Implantation of Drug-Eluting Ste…
2009
Objectives: This retrospective study sought to assess the clinical and angiographic long-term outcome after implanting drug-eluting stents in bifurcation lesions with the T-provisional (T-prov) technique and mini-crush (MC) technique. Background: The best option on the treatment of coronary bifurcation lesions is a subject of considerable debate. However, recent evidence suggests that bifurcation lesions might be treated by drug-eluting stent on both branches using the MC technique with a low rate of major adverse cardiac event and restenosis. Methods: From April 2004 to July 2006, 457 patients were consecutively treated with either MC technique (n = 199) or T-prov technique (n = 258). Of t…
El marcaje revela un intercambio limitado de inmaduros de tortuga boba (Caretta caretta) entre regiones en el Mediterráneo occidental
2008
Exchange of immature loggerhead sea turtles (Caretta caretta) between the northern and southern regions of the western Mediterranean was investigated using data obtained from several Spanish tagging programmes. Tagged turtles ranged in straight carapace length from 23.0 to 74.0 cm. Thirty-six turtles were recaptured after an average interval of 390.5±462.6 days (SD). As the mean dispersal distance (MDD) of a turtle population that spreads over the western Mediterranean would stabilize after 117 days (CI 95%: 98 to 149), two analyses were conducted that included data from turtles recaptured after 98 and 149 days respectively. In both analyses, turtles were recaptured more often than expected…
Spirocurcasone, a diterpenoid with a novel carbon skeleton from Jatropha curcas.
2010
Spirocurcasone (14), a diterpenoid possessing the unprecedented "spirorhamnofolane" skeleton, was isolated from the root barks of Jatropha curcas, a plant extensively cultivated throughout the world, along with 11 known and two other new diterpenoids. The stereostructure of spirocurcasone was established using HRESIMS, NMR, and quantum mechanical calculation of the electronic circular dichroic (ECD) spectrum. Some of the isolated diterpenoids showed a potent activity against L5178Y, a mouse lymphoma cell line.
Near infrared reflectance spectroscopy (NIRS) characterization of European sea bass (Dicentrarchus labrax) from different rearing systems
2009
The present study aimed to predict by NIRS the proximate chemical composition and some carcass traits of sea bass coming from 11 farms with different rearing systems (extensive, intensive in land-based basins, sea cages) and located in northern (Friuli, Veneto), central (Tuscany) and southern (Puglia and Sicily) Italy. NIRS analysis of freeze dried sea bass fillets gave fairly good predictions of slaughter weight and fillet yield (R2cv=0.48-0.55), while results for carcass yield were poor. NIRS analysis was highly predictive for the condition factor (R2cv=0.790, SECV=0.09) and for water, ether extract and gross energy showing high correlations (R2cv>0.90) with NIR spectral infor- mation and…
El prolapso genital como factor de riesgo de fractura osteoporótica en la mujer
2022
El estudio consiste en analizar la correlación existente entre el prolapso genital y la fractura osteoporótica, ambas patología de alta prevalencia en la mujer envejecida. Ya existen indicios biblliográficos (en estudios de datos poblacionales) de esta posible asociación, pero siempre de manera retrospectiva y nunca buscando esta asociación como objetivo principal, con los sesgos inherentes a cada perfil de estudio. Proponemos un estudio analítico, observacional y prospectivo con el fin de demostrar nuestra hipótesis principal; que el propaso de órganos pélvicos es un factor de riesgo independiente para fractura osteoporótica. Como objetivo secundario, intentaremos demostrar que existen mar…
Estudio prospectivo multicéntrico de precisión diagnóstica de los biomarcadores de imagen en las hepatopatías crónicas difusas
2021
La caracterización incruenta y fiable basada en la imagen computacional de las alteraciones tisulares que acontecen en el hígado de pacientes con enfermedades hepáticas crónicas difusas se alinea con una medicina individualizada y de precisión. El objetivo principal de esta Tesis Doctoral es evaluar el rendimiento diagnóstico de la Resonancia Magnética (RM) multiparamétrica para estimar de forma cuantitativa y simultánea la fibrosis, esteatosis, inflamación y la sobrecarga de hierro en pacientes con hepatopatía crónica, tomando la histología y su análisis digital como patrón de referencia. Se ha realizado un estudio prospectivo, transversal y multicéntrico entre 2017 y 2020 incluyendo a pac…