Search results for "fer"
showing 10 items of 33109 documents
Friction and Heat Transfer in Membrane Distillation Channels: An Experimental Study on Conventional and Novel Spacers
2022
The results of an experimental investigation on pressure drop and heat transfer in spacer-filled plane channels, which are representative of Membrane Distillation units, are presented and discussed. Local and mean heat transfer coefficients were obtained by using Thermochromic Liquid Crystals and Digital Image Processing. The performances of a novel spacer geometry, consisting of spheres that are connected by cylindrical rods, and are hereafter named spheres spacers, were compared with those of more conventional woven and overlapped spacers at equal values of the Reynolds number Re (in the range ~150 to ~2500), the pitch-to-channel height ratio, the flow attack angle and the thermal boundar…
Assessing risk perception over recidivist traffic offenders from a multi-group approach: how gendered could it be?
2022
ABSTRACT Objective: The core aim of this study was to examine the predictive role of demographic, psychosocial and driving features of Spanish drivers on their risk perception over recidivist traffic offenders, focusing on gender as a key differentiating factor. Method: For this cross-sectional study, it was analyzed the data gathered from a nationwide sample of 1,711 licensed drivers from the 17 regions of Spain (49% females, 51% males) with a mean age of 40.07 years, responding to a telephone-based interview on road safety issues. Demographic, driving-related and psychosocial factors were comparatively analyzed through robust tests and a bias-corrected MGSEM (Multi-Group Structural Equati…
Microbial resources and sparkling wine differentiation : state of the arts
2022
Consumers’ increasing interest in sparkling wine has enhanced the global market’s demand. The pro-technological yeasts strains selected for the formulation of microbial starter cultures are a fundamental parameter for exalting the quality and safety of the final product. Nowadays, the management of the employed microbial resource is highly requested by stakeholders, because of the increasing economic importance of this oenological sector. Here, we report an overview of the production processes of sparkling wine and the main characterisation criteria to select Saccharomyces and non-Saccharomyces strains appropriate for the preparation of commercial starter cultures dedicated to the primary a…
Multilevel functional surgery in adults with acquired spasticity of upper extremity
2004
The authors present their expertise in the treatment of acquired spasticity of the upper extremity in adults, illustrating the basics of modern functional surgery, which benefits from the achievements in bioengineering and information technology and new surgical techniques. Moreover close cooperation between the physical therapist and surgeon is essential in planning a new treatment scheme which, when possible, may successfully strengthen and optimize the function control of the remaining extremity, thus overriding the old concept of merely correcting the deformity. Results depend on proper scrutiny of the preoperative clinical and instrumental details on successful surgical accomplishment …
Continuum: A spatiotemporal data model to represent and qualify filiation relationships
2013
International audience; This work introduces an ontology-based spatio-temporal data model to represent entities evolving in space and time. A dynamic phenomenon generates a complex relationship network between the entities involved in the process. At the abstract level, the relationships can be identity or topological filiations. The existence of an identity filiation depends on whether the object changes its identity or not. On the other hand, topological filiations are based exclusively on the spatial component, like in the case of growth, reduction, merging or splitting. When combining identity and topological filiations, six filiation relationships are obtained, forming a second abstrac…
Methods for territorial intelligence
2006
Quantitative methods which are used by social sciences for thirty years can provide tools to help territorial actors better managing their territories. This short paper outlines an inventory of the kinds of methods that are usable within this framework.
Spatial Succession for Degradation of Solid Multicomponent Food Waste and Purification of Toxic Leachate with the Obtaining of Biohydrogen and Biomet…
2022
A huge amount of organic waste is generated annually around the globe. The main sources of solid and liquid organic waste are municipalities and canning and food industries. Most of it is disposed of in an environmentally unfriendly way since none of the modern recycling technologies can cope with such immense volumes of waste. Microbiological and biotechnological approaches are extremely promising for solving this environmental problem. Moreover, organic waste can serve as the substrate to obtain alternative energy, such as biohydrogen (H2) and biomethane (CH4). This work aimed to design and test new technology for the degradation of food waste, coupled with biohydrogen and biomethane prod…
Un sistema per la concimazione spazialmente variabile
2005
Lo scopo del lavoro è quello di misurare il tempo e la distanza di regolazione di un sistema per l’applicazione di fattori produttivi a dosi spazialmente variabili, progettato, sviluppato, messo a punto e già sperimentato positivamente per il diserbo dalla Sezione Meccanica del Dipartimento I.T.A.F. Tale sistema è stato sperimentato per la concimazione spazialmente variabile, installando, su uno spandiconcime ad azione centrifuga a due dischi di distribuzione opportunamente modificato, due diversi tipi di attuatori, collegati al sistema di regolazione delle luci di caduta del concime. E’ risultato che, a parità di variazione di dose, la distanza di regolazione del sistema, con entrambi gli …
Bayesian temporal and spatio-temporal Markov switching models for the detection of influenza outbreaks
2017
Influenza is a disease which affects millions of people every year and causes hundreds of thousends of deads every year. This disease causes substantial direct and indirect costs every year. The influenza epidemic have a particular behavior which shapes the statistical methods for their detection. Seasonal epidemics happen virtually every year in the temperate parts of the globe during the cold months and extend throughout whole regions, countries and even continents. Besides the seasonal epidemics, some nonseasonal epidemics can be observed at unexpected times, usually caused by strains which jump the barrier between animals and humans, as happened with the well known Swine Flu epidemic, w…
La produzione dello spazio democratico per il soddisfacimento del bene comune
2015
Nella storia della città lo spazio pubblico e le attrezzature collettive rappresentano da sempre luoghi di coesione, interscambio, relazione, condivisione e cooperazione per l’uomo, il quale manifesta il bisogno di abitare un luogo in cui possa relazionarsi con gli altri, formando una comunità ed una vita pubblica. Gli spazi collettivi rappresentano pertanto un beneficio per la comunità, in quanto diaframmi tra la sfera pubblica e la sfera privata, luoghi di uguaglianza e di democrazia, ove si alimenta il 'capitale sociale' e si annulla l’esclusione sociale e spaziale, a favore di un interscambio socio-culturale tra individui diversi. Nelle città globalizzate la disuguaglianza nella distrib…