196,174 research outputs found
Le parole della crisi, le politiche dopo la pandemia. Guida non emergenziale al post-Covid-19
No full textLo scorso 11 marzo, l'Organizzazione Mondiale della Sanità ha dichiarato il Covid-19 una pandemia. Molti paesi hanno conseguentemente adottato o inasprito le misure di contenimento della mobilità e la sospensione delle attività produttive. Inevitabilmente, la crisi ha coinvolto la sfera economica, quella sociale, il mondo culturale e l'ambito politico-istituzionale, in alcuni casi esacerbando tendenze che erano presenti in nuce nella trama delle relazioni intersoggettive, altre volte lacerando le aspettative, i valori e le percezioni sui quali ciascuno di noi, e la comunità nel suo complesso, definisce e articola la propria esistenza.
Il CEST - Centro per l'Eccellenza e gli Studi Transdisciplinari, come associazione di studenti, dottorandi e giovani ricercatori, con diversi background, propone un volume che analizza, in chiave transdisciplinare, la pluralità dei possibili effetti dell'emergenza in corso e indica alcune linee direttrici per immaginare la sua gestione nei prossimi mesi, mediante un approccio specifico e originale: il libro è infatti il frutto della collaborazione tra giovani studiose e studiosi e figure autorevoli del dibattito culturale italiano e internazionale
Le parole della crisi, le politiche dopo la pandemia : guida non emergenziale al post-COVID-19 [presentazione]
No full textLo scorso 11 marzo, l'Organizzazione Mondiale della Sanità ha dichiarato il Covid-19 una pandemia. Molti paesi hanno conseguentemente adottato o inasprito le misure di contenimento della mobilità e la sospensione delle attività produttive. Inevitabilmente, la crisi ha coinvolto la sfera economica, quella sociale, il mondo culturale e l'ambito politico-istituzionale, in alcuni casi esacerbando tendenze che erano presenti in nuce nella trama delle relazioni intersoggettive, altre volte lacerando le aspettative, i valori e le percezioni sui quali ciascuno di noi, e la comunità nel suo complesso, definisce e articola la propria esistenza.
Il CEST - Centro per l'Eccellenza e gli Studi Transdisciplinari, come associazione di studenti, dottorandi e giovani ricercatori, con diversi background, propone un volume che analizza, in chiave transdisciplinare, la pluralità dei possibili effetti dell'emergenza in corso e indica alcune linee direttrici per immaginare la sua gestione nei prossimi mesi, mediante un approccio specifico e originale: il libro è infatti il frutto della collaborazione tra giovani studiose e studiosi e figure autorevoli del dibattito culturale italiano e internazionale
A Novel IoT-Based Architecture for Self-Adaptive Aerodynamic Flow Control System for Motorcycle
No full textIn this paper, we introduce an autonomous system for aerodynamic flow control for motorcycle based on the Internet of Things (IoT) paradigm. The architecture we propose adapts dynamically the flows at the traveling conditions, in order to obtain an improvement of performance and vehicle stability. In our architecture, we deploy a group of sensors on the top surface of the wings to sense the air pressure. We design a centralized on-board unit that computes a new wing angle of attack according to the data received from the sensors. The on-board unit includes a local information database which represents its knowledge: it stores both the data gathered by the sensors and the fluid dynamics model used to compute and adjust the angle of attack. The on-board database is periodically updated transmitting all the measurements gathered from the sensors to a High-Performance Cloud Data Center (DC) which executes a parallel version of Computational Fluid Dynamics (CDF) algorithms, computes the updated model, and transmits the processed information back to the on-board unit. We perform preliminary tests in the wind tunnel, and we show how the cooperation between IoT devices and DC can reduce the on-board unit computational effort
Morse index and bifurcation of p-geodesics on semi Riemannian manifolds.
No full textGiven a one-parameter family {gλ : λ ∈ [a, b]} of
semi Riemannian metrics on an ndimensional
manifold M, a family of time-dependent
potentials {Vλ : λ ∈ [a, b]} and a family {σλ : λ ∈ [a, b]} of trajectories connecting two points of the mechanical system defined by (gλ, Vλ), we show that there are trajectories bifurcating from the trivial branch σλ if the generalized Morse indices μ(σa) and μ(σb) are different. If the data are analytic we obtain estimates for the number of bifurcation points on the branch and, in particular, for the number of strictly conjugate points along a trajectory using an explicit computation of the Morse index in the case of locally symmetric spaces and a comparison principle of Morse Schoenberg type
From Sensors to the Cloud: A Real-Time Use-case on Vertical Integration
No full textWe present a vertical integration of a real-time Industrial Internet of Things environment with Cloud computing functionalities. We designed our testbed to implement self-adaptive wings for motorbikes using pressure values sensed in specific locations of the motorbike as input data collected exploiting open-hardware devices called OpenMotes which communicate through a low-power, delay-constrained wireless network based on the 6LoWPAN protocol stack. Our real-time on-board unit elaborates the data, and it computes the new angle of attack of two wings. The total response time of the system is in the order of 100 ms and meets the real-time requirements that constrains our scenario. Finally, we integrate our system with Cloud functionalities that we use for storing the acquired data on a time-series database
COMMENTO ALL'ART. 73 DEL REGOLAMENTO AL CODICE DEI CONTRATTI PUBBLICI (D.P.R. N. 207 DEL 2010)
No full text
Mortalità nei comuni della Provincia di Brindisi,1981-2001
No full textAbstract Introduction: Brindisi is a town on the South coast of the Adriatic sea, where many sources of air pollutants are located nearby the urban area. A part from the airport and the harbour, mainly for passenger traffic to Greece, a wide industrial area is present (petrochemical, power plants, chemical, pharmaceutical, metallurgical, manufacturing). In seven municipalities, illegal dumps have been found. South west of Brindisi is the province of Taranto, whose industrial area includes steels factory, a refinery and a cement factory. In both provinces, an area at «high risk of environmental crisis » has been identified by the Italian Ministry of Environment. In the Brindisi area, mortality from all causes, cancers and respiratory diseases. in 1990-1994 was found to be in excess Objectives: to estimate mortality among residents in the twenty municipalities of the province aggregated in four geographic areas: the one at «high risk» including the main town, and the areas located North. West and South of the Brindisi «high risk» area. Design: descriptive geographical study. 50 e&panno 32 (1) gennaio-febbraio 2008 Setting: mortality analysis by gender, specific causes of death and two ten-year periods between 1981 and 2001. Standardised mortality ratios (Puglia region as referent population) and directly as well as age-standardized rates (ref. European population) have been computed. Main outcome measures: mortality from all causes and fromr forty selected causes. Results: about 3.200 annual deaths have occurred in the province. Results for the high risk area confirm previous analyses while excesses in the other areas have appeared. A few municipalities, requiring a deeper investigation have been identified. Such excesses refer to mortality due to all causes, all cancers, stomach and lung cancers, respiratory and ischemic diseases. Conclusions: this study confirms excesses in the high risk areas and found mortality excesses in other municipality both among males and females. The results suggest to further investigate mortality both in the main town and in the small municipalities where illegal dump have been found and also in those located on the border with Taranto province
Epithelioid hemangioendothelioma: an overview and update on a rare vascular tumor
No full textEpithelioid hemangioendothelioma is a rare vascular tumor,
described for the first time in 1975 by Dail and Liebow as an aggressive
bronchoalveolar cell carcinoma. The etiology is still a dilemma. Studies
about suggestive hypothesis are ongoing. Most of the times it affects
lung, liver and bones, although this kind of tumor may involve the head
and neck area, breast, lymph nodes, mediastinum, brain and
meninges, the spine, skin, abdomen and many other sites. Because of
its heterogeneous presentation, as it represents less than 1% of all the
vascular tumors, it is often misdiagnosed and not suitably treated,
leading to a poor prognosis in some cases. Over 50-76% of the patients
are asymptomatic. A small number of them complains respiratory
symptoms. Bone metastases might cause pathological fractures or
spine compression, if they arise in vertebrae. Imaging is necessary to
determine morphological data, the involvement of surrounding tissues,
and potentially the cleavage plan. It is important to recognize the
expression of vascular markers (Fli-1 and CD31 are endothelial-specific
markers), and the microscopic evidence of vascular differentiation
to make a correct diagnosis, as many pulmonary diseases show multiple
nodular lesions. Because of its rarity, there is no standard for treatment.
We focused on radiotherapy as a good therapeutic option:
despite the poor prognosis, evidence is in favor of radiotherapy which
offers local pain control with good tolerance and better quality of life at
least at a one-year follow-up in most of cases. Further studies are
needed to establish the standard radiation dose to be used for locoregional
control of such a complex and extremely rare disease
- …
