1,720,979 research outputs found
The SINTACS method for evaluating aquifer vulnerability to pollution and saltwater intrusion
No full textIdentificazione delle aree idonee alla localizzazione di strutture golfistiche con metodiche GIS – Una applicazione nella Regione Sardegna
No full textThe International tourism which arrives in Italy is potentially one of
the most important resources for the economic development of our
country. One specific area of business activity is golf. The Autonomous
Region of Sardinia has identified the promotion and implementation of a
system of golf courses as a strategic tool for tourism. This tool would
focus on the development of the courses and on lengthening the golfing
season on a regional level, persuading many foreign and domestic players
to choose Sardinia as their preferred destination for golfing trips in all
seasons. This system indirectly creates economic growth and numerous
jobs. However, in the current regional laws the most suitable areas for the
development of this tourist resource haven’t yet been precisely identified.
From the examination of different analysis parameters, such as roads,
transport times, landscape restrictions, topography, soil, land use, and so
on, and with the help of GIS software, the macro-regional areas most
suited to the creation of new golf courses, have been identified, with a
particular focus on the sub region of Ogliastra
Marco cultural del megalitismo de las Islas Baleares y Pitiusas
No full textTraduzione di articolo sul megalitismo nelle Balear
Geophysical methods applied to the study of landslides and to the assessment of the shallow slopes instability: the case of Villacidro - South-Sardinia (Italy).
No full textImplementazione in ambiente GIS di modelli parametrici per la valutazione della vulnerabilità del territorio di Arborea (Sardegna, Italia) all’inquinamento da nitrati di origine agricola
No full textArtificial neural networks and weight of evidence method to landslide susceptibility assessment
No full textAnalysis of a polycarbonate RFID tag for blood chain tracking
No full textIn this paper we describe an antenna especially designed for a RFID passive tag working at UHF (867 MHz), for healthcare applications. In particular for the transfusional medicine and the blood supply chain. The tag has to be able to work placed on the top of a blood bag, while the bag is full of blood, and the antenna has been designed with this goal in mind. Therefore we require an antenna able to work close to a (relatively large amount of) lossy medium with high permittivity. Moreover, the bag shape is curved but its shape cannot be predicted exactly, so that the antenna must retain its behavior for a large set of different environments. In order to comply with all those requirements, a printed slot antenna built with a exible substrate has been selected, so that the whole tag can be exible too. The first step was the optimization of the working parameters of the antenna while placed on a perfect planar surface (i.e., assuming the blood bag to be a parallelepiped). Since the actual bag shape is not known, this choice allows to take into account the lossy material, but using a simple geometry. The antenna has been optimized to get the maximum reading distance. Then we consider the effects of a real blood bag (i.e., a curved one), filled with blood, on the antenna behavior. We consider a bag with a transverse section bounded by two arc of circles (with a radius quite larger than the bag size). Since we found a reasonable agreement with the planar antenna we can assume that the antenna behavior is quite insensitive to the bag shape. A robustness analysis, respect to the bag curvature radius, has been performed, too, to assess the antenna use in real environments
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