2 research outputs found

    Indagine nazionale sui tirocini professionalizzanti nei Corsi di Laurea in Tecniche della Prevenzione nell’Ambiente e nei Luoghi di Lavoro (TPALL)

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    Il tirocinio rappresenta il cuore della preparazione professionale degli studenti dei Corsi di Laurea delle Professioni Sanitarie. Per identificare, descrivere e analizzare le caratteristiche, a livello nazionale, dei tirocini nel Corso di Laurea in Tecniche della Prevenzione nell'Ambiente e nei Luoghi di Lavoro (TPALL) \ue8 stato disegnato uno studio esplorativo di tipo descrittivo, allo scopo di fornire nuove conoscenze sul tema, favorire il confronto tra i formatori e il miglioramento delle attivit\ue0 formative professionalizzanti. \uc8 stato progettato un questionario, applicando le prime fasi del processo di validazione, come indicato in letteratura. L\u2019analisi della validit\ue0 di contenuto \ue8 stata effettuata attraverso il Content Validity Index. Il questionario risultante (50 items) \ue8 stato inviato per la compilazione online ai Direttori delle Attivit\ue0 Didattiche (DAD) delle 33 sedi del Corso di Laurea TPALL attivi nell\u2019a.a. 2016-2017, afferenti a 27 Atenei italiani. Hanno risposto il 78% dei Coordinatori, riportando i dati del 73% delle sedi dei corsi TPALL presenti in Italia, riguardanti il percorso di tirocinio di 1205 studenti. L\u2019indagine ha rilevato una realt\ue0 piuttosto differenziata dalla quale emergono criticit\ue0 connesse al riconoscimento del ruolo delle figure tutoriali, alla progettazione dei percorsi formativi e alla loro valutazione. Da ci\uf2 \ue8 possibile trarre indicazioni per la ricerca di strategie comuni, l\u2019implementazione della formazione delle figure tutoriali e l\u2019arricchimento dell\u2019offerta formativa.Training in the field is considered a core phase in the educational process of healthcare professionals. We designed a National explorative survey to identify and describe the characteristics of the Environmental Health Officers (EHO) apprenticeships in undergraduate courses; our aim was to extend knowledge of this topic, stimulate debate among teachers and promote the improvement of training in the field. We designed a questionnaire, and applied the first phases of the validation process, as pointed out by literature. The analysis of content validity was performed calculating the Content Validity Index. The resulting questionnaire (50 items) was emailed to all the 33 Italian Coordinators of EHO apprenticeships (belonging to 27 different universities) in the A.Y. 2016-2017, for online filling out. Seventy eight% of the Coordinators filled out the questionnaire, reporting data related to 73% of the universities offering EHO courses, which globally involved 1205 students. Our survey revealed a quite patchy situation, in which some critical aspects emerged, mainly related to the acknowledgment of the role of mentors/tutors, and to the activities of planning and evaluating training in the field. Accordingly, we point out the necessity of discussing common strategies to implement EHO apprenticeships on a national basis, to develop mentors\u2019 programs, and, more generally, to improve curricula

    Enhanced performance in fusion plasmas through turbulence suppression by megaelectronvolt ions

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    © 2022, The Author(s), under exclusive licence to Springer Nature Limited.Alpha particles with energies on the order of megaelectronvolts will be the main source of plasma heating in future magnetic confinement fusion reactors. Instead of heating fuel ions, most of the energy of alpha particles is transferred to electrons in the plasma. Furthermore, alpha particles can also excite Alfvénic instabilities, which were previously considered to be detrimental to the performance of the fusion device. Here we report improved thermal ion confinement in the presence of megaelectronvolts ions and strong fast ion-driven Alfvénic instabilities in recent experiments on the Joint European Torus. Detailed transport analysis of these experiments reveals turbulence suppression through a complex multi-scale mechanism that generates large-scale zonal flows. This holds promise for more economical operation of fusion reactors with dominant alpha particle heating and ultimately cheaper fusion electricity.N
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