188,518 research outputs found

    Giorgio P. Sozzi

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    Bardel Pierre. Giorgio P. Sozzi. In: Littératures 25, automne 1991. p. 251

    Giorgio P. Sozzi, La Letteratura francese d'espressione popolare del XX secolo (da Rictus a Dabit), 1992

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    Bardel Pierre. Giorgio P. Sozzi, La Letteratura francese d'espressione popolare del XX secolo (da Rictus a Dabit), 1992. In: Littératures 29, automne 1993. pp. 202-204

    Al+ Ion Implanted 4H-SiC Vertical p+-i-n Diodes: Processing Dependence of Leakage Currents and OCVD Carrier Lifetimes

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    The reverse and forward currents of Al+ ion implanted 4H-SiC p+-i-n diodes have been compared for identically processed devices except for the implanted Al concentration in the emitter, 6×1019 cm-3 against 2×1020 cm-3, and the post implantation annealing treatment, 1600°C/30 min and 1650°C/25 min against 1950°C/5min. The diodes’ ambipolar carrier lifetime, as obtained by open circuit voltage decay measurements, has been compared too. The devices with lower annealing temperature show lower leakage currents and higher ambipolar carrier lifetime; they also show lower current in ohmic conduction

    Impact of myocardial geometry on left ventricular performance in healthy black and white young adults

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    Racial differences in left ventricular (LV) structure are suggested by clinical and experimental studies. This study evaluates if racial differences in LV performance exist comparing black to white young males, by tissue Doppler echocardiography and myocardial performance index (MPI). We examined 40 healthy males, 20 blacks (mean age 27.6 +/- 4.4 years) and 20 whites (mean age 26.5 +/- 6.7 years). All subjects underwent conventional echocardiography, tissue Doppler echocardiography, and MPI assessment. No differences were found in LV diameters, volumes, mass, and hemodynamic measurements. Septal and posterior wall thicknesses were significantly increased in black subjects as well as the relative wall thickness. Systolic and diastolic functions estimated by conventional parameters were superimposable in the two groups. In black subjects, a significant increase of septal S-wave, peak velocity, and time-velocity integral were found. MPI was significantly higher in black compared to white subjects (0.46 +/- 0.05 vs 0.40 +/- 0.06, P < 0.002). A significant correlation between MPI and relative wall thickness (r = 0.54) was demonstrated. Besides, MPI correlated with S(pv) (r = 0.55) and S(tvi) (r = 0.38) at the septal site. In conclusion our data show a higher MPI in black subjects that seems to be geometry-dependent. Correlations between MPI and tissue Doppler echocardiography systolic indexes were found. Our findings suggest that racial differences in LV performance exist, especially, in the systolic function, even in the absence of other conventional echocardiographic changes

    Lionello Sozzi, «Pavese: da Balzac a Proust», in Cesare Pavese, atti del Convegno internazionale di studi

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    Da Balzac… a Proust passando per Stendhal e Flaubert e per alcuni scrittori anglosassoni, il cammino della riflessione critica di Cesare Pavese sul romanzo non esita certo a «richiamarsi a punti di riferimento a tutti noti e in qualche modo esemplari» (p. 43). Tra le pagine dei Saggi letterari (1951) o in quelle de Il Mestiere di vivere (Diario 1935-1959) del 1952, numerosi sono i riferimenti ai “grandi classici” della letteratura europea che, in questo studio, Lionello Sozzi porta alla luce ..
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