196,107 research outputs found
La nozione costituzionale di livello essenziale delle prestazioni tra potestà normativa e autonomia finanziaria delle Regioni
No full textAbstract [IT]: La degradazione dei LEP a indici tecnico–amministrativi ne mette in ombra la funzione
garantistica, che si desume dalla loro collocazione nell’art. 117, c. 2, lett. m) Cost., e si rivela in
tensione con l’art. 119 Cost., il quale prevede che il finanziamento del complesso delle funzioni
regionali avvenga attraverso risorse senza vincoli di destinazione. Come effetto della loro
“spoliticizzazione” e degradazione a indici economici, i LEP rischiano di trasformarsi in un’alternativa
non costituzionalmente corretta dell’attuazione dell’art. 119, Cost., rendendo non soddisfacenti le
soluzioni in tema di attuazione dell’autonomia differenziata proposte dall’attuale maggioranza di
governo.
Abstract [EN]: The downgrading of the LEPs to technical–administrative indicators overshadows their
guarantee function, which is inferred from their placement in Article 117, para. 2 (m) of the Italian
Constitution, and turns up in tension with Article 119 Const. which provides for the financing of
the complex of regional functions through non-destination resources. As an effect of their
“depoliticization” and downgrading to economic indicators, LEPs risks to become an
unconstitutional alternative of the implementation of Art. 119 Const. The solutions proposed on
the subject of differentiated autonomy by the current majority government therefore turn out to be
unsatisfactory
A Novel Energy Storage System Based on Carbon Dioxide Unique Thermodynamic Properties
No full textThis paper focuses on the thermodynamic performance and techno-economic assessment of a novel electrical energy storage technology using carbon dioxide as a working fluid. This technology, named CO2 battery and recently patented by Energy Dome SpA., addresses an energy market which has a great need for energy storage solutions able to handle the increasing share of nondispatchable renewable energy sources like photovoltaic and wind energy. After a brief introduction, the present study presents the concept of CO2 batteries and their operation. Then the detailed numerical model developed for the accurate calculation of system round trip efficiency is presented with the adopted assumptions and the optimization routine description. Results on the reference case and following sensitivity analysis confirm a round trip efficiency of around 77% (+/- 2%) which makes CO2 batteries a very promising technology with respect to other energy storage systems based on thermodynamic cycles like compressed air and liquid air energy storage thanks to the high performance and the easiness of installation. Finally, calculation of system footprint, capital investment cost and levelized cost of storage are discussed
atheter ablation of atypical left atrial flutters in patients with prosthetic safety, acute success and long term outcome.
No full textCatheter ablation of atypical left atrial flutters in patients with prosthetic mitral valve: safety, acute success and long term outcome.
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