1,721,121 research outputs found
Novel Self-capacitance Sensor to Measure Textile Moisture Content
No full textMoisture content is an important property that is measured in textiles to regulate both the drying processes and the parameters of fabric manufacturing equipment. Currently commercialized sensors are bulky and too expensive for many industrial uses. The purpose of this study is to develop and test a novel low-cost and compact moisture sensor for textiles that is based, for the first time, on self-capacitance technology. The sensor is made up of a single-plate capacitor on a printed circuit board, connected to a capacitance-to-digital conversion circuit. The main challenge is to adapt a board, which was originally developed for proximity and touch applications, for moisture measurements. Three sensor layouts with different configurations of the electrodes are tested, coupled with diverse overlays and cables. The impedance analysis shows that electrodes designed with trace loops led to lower capacitance when compared to pad and hatch grids. Then, the performance of the sensor has been experimentally evaluated using four textiles: cotton, polycotton, wool and polyester. The results show good repeatability and resolution in the entire moisture range tested, from 5% till 70% using total-dry weight as reference point. Regression models are presented for each fabric type, with an excellent approximation confirmed by R-square values between 0.945 and 0.996. Finally, an analysis of both temperature and air humidity effects on the sensor measurement is discussed. The linear response at low and high humidity, with temperature as predominant factor, allows the usage of the sensor also in harsh environments
revisione del testo latino e traduzione italiana di Cola di Rienzo, Commentario sopra la Monarchia di Dante
No full textViene fornita per la prima volta una traduzione italiana del commento di Cola di Rienzo alla Monarchia di Dante, a suo tempo pubblicato dal Ricci. Il testo latino pubblicato a fronte è stato rivisto e corrett
Leon Battista Alberti. Momo, Testo critico e Nota al testo di P. d'Alessandro e F. Furlan, Introduzione e Nota bibliografica di F. Furlan, Traduzione del testo latino, note e Postfazione di M. Martelli, volume a cura di F. Furlan
No full textDel “Momus” di Leon Battista Alberti, che l'autore non si decise mai a pubblicare, sono state pubblicate modernamente diverse edizioni, ma fino a oggi non si era mai riuscito a chiarire i rapporti semmatici interocorrenti tra i diversi testimoni del testo, tra cui due manoscritti idiografi e due edizioni a stampa contemporanee. Nell'edizione di Furlan e d'Alessandro, accompagnata da un'ampia e dettagliata “Nota al testo”, si ricostruiscono per la prima volta le diverse fasi di composizione, correzione e trasmissione dell'opera, stabilendo con certezza i rapporti tra i manoscritti e le edizioni a stampa e fornendo per la prima volta un testo conferme alla volontà ultima (se pure non definitiva) dell'Alberti
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
revisione del testo latino e traduzione italiana di Cola di Rienzo, Commentario sopra la Monarchia di Dante
No full textViene fornita per la prima volta una traduzione italiana del commento di Cola di Rienzo alla Monarchia di Dante, a suo tempo pubblicato dal Ricci. Il testo latino pubblicato a fronte è stato rivisto e corrett
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
“Italia tota est plena tyrannis”. Petrarca e l’Impero alla luce della teoria giuridico-politica
No full textThe Petrarchan political thinking has been analyzed in many ways, but has not yet found a global interpretation that thoroughly clarifies its theoretical structure and ideological choices. This is the aim of this paper, on the basis of Petrarch’s approach to Empire and the idea of Empire, and from a twofold dimension: on the one hand, the humanist’s views on contemporary politics, and particularly on the situation of Italy; on the other, his theoretical contribution, which becomes apparent in his two famous (but still awaiting analysis in the light of humanistic political theory) epistles: Fam. XII, 2 and Sen. XIV, 1
- …
