15,866 research outputs found

    L’uso strategico del documento programmatico di un piano regolatore. Il workshop di Urban Design

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    Workshop internazionale con la presenza di studenti di architettura del Politecnico di Torino e di Urban Design e paesaggio di M.I.T.. Visioni per una Canelli futura; come risolvere la problemetica di spazi industriali abbandonati; come riqualificare la città. Lorena Alessio e Shun Kanda i professori coinvolti in Urban Design

    Ultrasonic distance sensor improvement using a two-level neural network

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    This paper discusses the performance improvement that a neural network can provide to a contactless distance sensor based on the measurement of the time of flight (TOF) of an ultrasonic (US) pulse. The sensor, which embeds a correction system for the temperature effect, achieves a distance uncertainty (rms) of less than 0.5 mm over 0.5 m by using a two-level neural network to process the US echo and determine the TOF in the presence of environmental acoustic noise. The network embeds a "guard" neuron that guards against gross measurement errors, which would be possible in the presence of high environmental noise

    Parroci a S. Giorgio Maggiore nei secoli XIX-XX

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    La Confraternita udinese di S. Giorgio: profilo storico e istituzionale

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    Institutional history of the St. George Confraternit

    Dalla chiesa di S. Giorgio alla chiesa di S.Giorgio Maggiore

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    The history of the St. George Confraternity and Parish in Udine, Friul

    Measurement Procedures for the Electrical Characterization of Oxide Thin Films

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    This paper describes a measurement system for the electrical characterization of oxide thin films. Such films can be produced using plasma-sputtering processes and permit the realization of a large set of high-performance components, such as capacitors, active devices, sensors, and protective coatings. The electrical properties of the oxide films, which have a thickness of less than 1 μm, are difficult to measure since very high resistances (on the order of gigaohms) and small capacitances (on the order of picofarads) are expected for contact areas smaller than 1 mm2. The measurement system and the procedures described in this paper represent an alternative solution to the commercial devices, which usually employ a mercury probe for performing the contact with the specimen under characterization. Furthermore, the proposed system can be used not only to estimate the electrical properties of a single point but to evaluate the uniformity of oxide films on large specimens as well. The experimental results reported refer to valve-metal-based oxide films deposited in a lab-scale capacitively coupled parallel-plate reactor and show the effectiveness of the proposed procedure

    The Pottesman Collection in the British Museum. Early Dynastic and Sargonic administrative texts. With an Appendix on a Palmyrene Inscription

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    Edizione, trascrizione, traduzione e commento di un frammento di iscrizione palmirena inedita presente nella collezione Pottesman del British Museum (Appendice Agostini).The British Museum houses a small collection of six cuneiform tablets and a Palmyrene dedicatory inscription purchased in 1987 from the private collection of Solomon Pottesman. The aim of the present contribution is to provide a catalog of this lot and an edition of the so far unpublished cuneiform texts. In the appendix, Alessio Agostini added the edition of the Palmyrene inscription, which would have otherwise gone beyond the capabilities of the present author

    Asymptotics of the s-perimeter as s ↘ 0

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    We deal with the asymptotic behavior of the s-perimeter of a set E inside a domain Omega as s SE arrow 0. We prove necessary and sufficient conditions for the existence of such limit, by also providing an explicit formulation in terms of the Lebesgue measure of E and Omega. Moreover, we construct examples of sets for which the limit does not exist
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