440 research outputs found
Safety of the navigation in congested maritime area. the case of the Messina Strait
In the last decade a relevant expansion of traffic by sea occurred, not only on the long distances, but
also on the middle-short distances; on coastline urban areas and particularly on neighboring urban areas,
but separated by the sea, the increase of the flows often involves greater risks of accident for the
navigation (Lewison, 1978; Merrick et al., 2001; van Dorp et al., 2001). The risk of maritime accident
results particularly high for the ro-ro ships. This papers clarify some aspects concerning the concept of
risk and safety at sea dealing with some literature models. An application is proposed to the Messina
Strait context that is the crossroad of elevated flows of traffic along two directions. The navigation safety
in the Messina Strait has been analyzed with the support of a micro-simulation approach
Infinitely many solutions for non-local problems with broken symmetry
The aim of this paper is to investigate the existence of solutions of the non-local elliptic problem (Formula Presented) where s Ó (0, 1), n > 2s, is an open bounded domain of Rn with Lipschitz boundary ∂Ω, (-Δ)s is the nonlocal Laplacian operator, 2 < p < 2s and h Ó L2 (Ω). This problem requires the study of the eigenvalue problem related to the fractional Laplace operator, with or without potential.Fil: Bartolo, Rossella. Politecnico Di Bari; ItaliaFil: de Napoli, Pablo Luis. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Matemática; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Investigaciones Matemáticas "Luis A. Santaló". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales.; ArgentinaFil: Salvatore, Addolorata. Università degli Studi di Bari; Itali
Cap Rate as the Interpretative Variable of the Urban Real Estate Capital Asset: A Comparison of Different Sub\u2010Market Definitions in Palermo, Italy
Real estate capital is in constant competition with other capital assets due to its different
and complementary economic functions such as direct use, productive investment, and speculative
investment. These features and the resulting opportunities cannot be easily deduced from direct
observation of the real estate markets, so some further insights need to be carried out in order to
highlight the relationship between prices, rents and performances. This study aims at providing a
multifaceted perspective of a specific urban real estate market to overcome the difficulties arising
from opacities and informative asymmetries that hinder the decision of investors, by facilitating the
comparison of different options such as capital value, income and performance. Within the mass
appraisal approach, the study proposes a methodology for the analysis of the cap rate, intended as
the expression of profitability and liquidity of the urban real estate capital asset. The methodology
is based on a detailed survey of a sample of the housing market data, collected within a structured
database, supported by statistical and territorial analyses of the sample, in order to display the range
of cap rates featuring each sub\u2010market, and the related distributions. The methodology is applied
to a case study of nearly 1000 properties distributed in a vast urban area of the municipality of
Palermo, Italy. The consistency of the relationships between the three variables has been tested with
reference to two hypotheses about the sub\u2010market definition, which has been carried out by cluster
and by neighbourhood
Surgical Treatment of Extravasation Injuries
The authors present their experience of treating anti-cancer drug extravasation by means of a composite surgical technique that consists of infiltration with physiological solution and hyaluronidase and subsequent manual aspiration of solutes alternated with profuse irrigation of the infiltrated area. In the immediate post-op we carry out a medical therapy that consists of calciparine and topic antibiotic and/or steroid creams. Since the year 2000 this technique has been used on 25 patients. We have had neither complications nor scars. Copyright 2005 Wiley-Liss, IncSurgical treatment of extravasation injuries.
Napoli P, Corradino B, Badalamenti G, Tripoli M, Vieni S, Furfaro MF, Cordova A, Moschella F.
Source
Chirurgia Plastica e Ricostruttiva, Dipartimento di Discipline Chirurgiche ed Oncologiche, Università degli Studi di Palermo, Italy. [email protected]
Abstract
The authors present their experience of treating anti-cancer drug extravasation by means of a composite surgical technique that consists of infiltration with physiological solution and hyaluronidase and subsequent manual aspiration of solutes alternated with profuse irrigation of the infiltrated area. In the immediate post-op we carry out a medical therapy that consists of calciparine and topic antibiotic and/or steroid creams. Since the year 2000 this technique has been used on 25 patients. We have had neither complications nor scars
Freight distribution with electric vehicles: A case study in Sicily. RES, infrastructures and vehicle routing
Abstract This paper deals with the issue of the production of electricity required for an electric delivery van to carry out its daily mission. In particular, the technical solutions adopted for the generation and management of energy from renewable energy sources will be illustrated. Subsequently a vehicle routing problem with time windows is formulated in order to optimize the freight distribution at urban level completing the exploration of two aspects, infrastructures and management of the service, considered fundamental for dealing with the distribution of freight in a system scenario. The article describes a case study for the delivery of freight within the last mile in which the installation of renewable energy production plants is proposed in the same place where the urban distribution center has been planned. The area dedicated to freight handling is thus proposed in the work as an energy platform as well as logistics. The optimization of a freight delivery service is performed in order to reduce the energy used by the vehicle in its daily travels and some aspects related to the governance (i.e. time windows allowed for the delivery/pick-up operations) are included in the problem constraints. A test application, considering a set of 84 retailers, has been carried out as case study in the Capo d'Orlando municipality (Sicily, Italy)
Freight distribution with electric vehicles: A case study in Sicily. Delivery van development
Abstract A change in the logistics sector in terms of environmental sustainability is necessary to support the achievement of the social challenges associated with freight transport. Unfortunately, the policy responses to solving congestion and emissions issues are mainly dedicated to the movement of people. The most valued opportunities to reduce the negative effects of freight delivery (the goal of EU policy is CO2 free urban logistics by 2030) regards both the use of electric vehicles to perform the distribution and the introduction of distribution centres that encourage the use of light commercial vehicles. However, the combination of zero emission vehicles in logistic and transportation activities requires some additional challenges from the organizational and operational point of view. In order to avoid the delocalization of polluting emissions it is necessary that the production of electricity related to the new needs comes from renewable sources preferably distributed throughout the territory. This paper explores the integration of electric vehicles in logistics operations executed through light commercial vehicles, taking into consideration, during the design phase of a new concept delivery van, the technical connections with the production systems and its possible applications also in areas other than urban. The results of the case study presented encourage the development of a type of vehicle with features not yet covered by the market and which are of particular relevance for sustainable logistics applied to small towns or small islands, which are widespread in Italy
The I COPPE Scale Short Form for measuring multidimensional well-being: Construct validity and reliability from US, Argentinian, and Italian large samples
The aim of this study is to present a short form of the I COPPE scale of multidimensional well‐being. We conducted two studies, which include four samples collected across three countries, namely United States, Argentina, and Italy. In the pilot study we tested during the data analysis phase whether it was feasible to reduce the full I COPPE scale by omitting the items dealing with past well‐being. Prompted by the positive results of the pilot study, we launched a final validation study with a sample of 2682 Italian people who completed the I COPPE scale short form, which is designed without items referring to past well‐being. Results from a series of confirmatory factor analyses show that the I COPPE scale short form presents acceptable levels of construct validity and reliability. Moreover, the 7‐factor correlated‐trait model proved to be the best fit for the data. We discuss advantaged of using the I COPPE scale short form along with limitations and future recommendations
LA QUESTIONE ABITATIVA TRA SOSTENIBILITÀ SOCIALE E DINAMICHE IMMOBILIARI
Despite the fall in price on the housing market, many households may have housing affordability problems. In order to measure the housing affordability on the territorial scale, this study proposes a methodology based on: the threshold income; the analysis of the territorial distribution of households’ incomes; the analysis of the territorial distribution of the local real estate market prices. This approach is applied to a case study, which consists of a territorial system comprising seven towns located in the south-eastern Sicily (Italy). The results allow us to appraise the gaps between housing prices and income level for household group, as well as for town and urban zone. These data is a valuable tool for the public administrations to better orientate the housing policy, to select the best model of social housing and to design the equitable parameters of social housing projects for each town
Bioactive Compounds in Goat Milk and Cheese: The Role of Feeding System and Breed
This chapter provides an introductory overview of some bioactive compounds in goat milk, presenting a selection of key results from literature. The aim of the chapter is to review the effects of the feeding system and of the breed on goat milk and cheese fine quality in order to identify management options aimed at improving the nutraceutical characteristics of milk and dairy products. We will discuss a series of case studies focused on the assessment of the effects of feeding system and breed and their interaction on specific health-promoting bioactive compounds: (i) fatty acid (FA) profile, (ii) antioxidant compounds and (iii) oligosaccharides (OS). Experimental data will be discussed highlighting the potential role of local Mediterranean breeds for the production of functional dairy products
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