1,200 research outputs found
Maria Teresa D'ALESSIO, Materiali votivi dal Foro triangolare di Pompei.
De Ruyt Claire. Maria Teresa D'ALESSIO, Materiali votivi dal Foro triangolare di Pompei. . In: L'antiquité classique, Tome 73, 2004. p. 595
Maria Teresa D'ALESSIO, Materiali votivi dal Foro triangolare di Pompei.
De Ruyt Claire. Maria Teresa D'ALESSIO, Materiali votivi dal Foro triangolare di Pompei. . In: L'antiquité classique, Tome 73, 2004. p. 595
Dreaming of the Crown. Political discourses and other testimonies about the Duke of Guise in Naples (1647-’48)
Migliorare la comunicazione e la relazione a scuola. Proposte per una tecnica della cura educativa
Tensile experiments and SEM fractography on bovine subchondral bone
Subchondral bone undecalcified samples, extracted from bovine femoral heads, are subjected to a direct tensile load. The Young's modulus of each sample is determined from repeated tests within the elastic limit. In a last test, the tensile load is increased up to the specimen failure, determining the ultimate tensile strength. The investigation is performed on both dry and wet specimens. The measured Young's modulus for dry samples is 10.3 +/- 2.5 GPa, while that of wet samples is 3.5 +/- 1.2 GPa. The ultimate tensile strengths are 36 +/- 10 and 30 +/- 7.5 MPa for dry and wet specimens, respectively. SEM micrographs of failure surfaces show characteristic lamellar bone structures, with lamellae composed of calcified collagen fibers. Rudimentary osteon-like structures are also observed, Failure surfaces of wet samples show a marked fiber pull-out, while delamination predominates in dry samples. The obtained results are interpreted on the basis of the deformation mechanisms typical of fiber-reinforced laminated composite materials. (C) 2000 Elsevier Science Ltd. All rights reserved
A statistical method for the measurement of muscle activation intervals from surface myoelectric signal during gait
The aim of this work is to present an original double-threshold detector of muscle activation, specifically developed for gait analysis. This detector operates on the raw myoelectric signal and, hence, it does not require any envelope detection. Its performances are fixed by the values of three parameters, namely, false-alarm probability (P(fa)), detection probability, and time resolution. Double-threshold detectors are preferable to single-threshold ones because, for a fixed value of the P(fa), they yield higher detection probability; furthermore, they allow the user to select the couple false alarm-detection probability with a higher degree of freedom, thus, adapting the performances of the detector to the characteristics of the myoelectric signal of interest and of the experimental situation. In this paper, first we derive the detection algorithm and describe different strategies for selecting its parameters, then we present the performances of the proposed procedure evaluated by means of computer simulations, and finally we report an example of application to myoelectric signals recorded during gait. The characterization of the proposed double-threshold detector demonstrates that, in most practical situations, the bias of the estimates of the on-off transitions is smaller than 10 ms, the standard deviation may be kept lower than 15 ms, and the percentage of erroneous patterns is below 5%. These results show that this detection approach is satisfactory in research applications as well as in the clinical practice
Gellio, lettore di Sabino
In four spots of the Noctes Atticae Gellius quotes the Memorialia of Masurius Sabinus. In this essay the author wonders whether Gellius directly consulted Sabinus’s work or obtained information from different sources. The Sabinian fragment (Gell. 3.16.23) taken from Pliny’s Naturalis historia is also analyzed: despite the presence of several analogies with the narrative structure of fragments of the Memorialia preserved by Gellius, the author assumes that it is taken from a different Sabinan work. Doubts are expressed, however, about direct consultation of Gellius’ other writings
Il processo di consolidamento
Il volume è destinato a studenti e professionisti che intendano affrontare il tema della redazione, lettura e interpretazione del bilancio consolidato secondo i principi contabili internazionali (IAS/IFRS), obbligatori in Italia per le società quotate dal 2005. Dopo un’introduzione teorica fondamentale sui gruppi di imprese e sul loro bilancio, il testo si concentra sulla metodologia di costruzione del consolidato. Si affrontano in dettaglio le seguenti tematiche: definizione dell’area di consolidamento; operazioni di omogeneizzazione o pre-consolidamento; operazioni di consolidamento "vere e proprie"; redazione del bilancio consolidato secondo gli schemi previsti per la pubblicazione. La trattazione di ogni argomento è affiancata da esercizi pratici, risolti e commentati. Il testo è inoltre arricchito da un confronto con la normativa e i principi contabili nazionali vigenti, nonché da una disamina delle principali tecniche di analisi e di controllo di un bilancio di gruppo. La nuova edizione del testo è aggiornata alla luce delle modifiche introdotte dallo IASB e dall’OIC sino ad aprile 2011
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