37,451 research outputs found

    Clinopyroxenes From Vulcano (aeolian Islands, Italy) - Crystal-chemistry and Cooling History

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    Twenty-three clinopyroxene phenocrysts from different rock types with different emplacement mechanisms and cooling histories from Vulcano island (Aeolian Archipelago) were studied by microanalysis and single-crystal X-ray diffraction methods. Their structures were refined by the least-squares method to an average R value of 0.022. From the two techniques, reliable site-occupancy data, as well as accurate lattice and structural parameters, are obtained. The results show that, in spite of the quite large compositional variety of the host rocks, clinopyroxenes from Vulcano have a narrow compositional range. Not-withstanding this, they yield crystal-chemical patterns characterising the different volcanic units and reflecting the evolutionary trends. On the basis of cation partitioning on M1 and M2 sites, the pyroxene quenching temperature has been estimated and related to the cooling history of the rocks

    Clinical Risk Management in an Academic Hospital of South Italy|Il clinical risk management nell’esperienza dell’AOU Università degli Studi della Campania “Luigi Vanvitelli”

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    Clinical risk management and patient safety stand as foundational pillars within the realm of healthcare management. Emphasizing a proactive strategy is imperative to avert serious impacts from medical oversights. While Italy has aligned its guidelines with international best practices, there is often a tendency to prioritize regulatory compliance over effective clinical risk management. This paper concerns the experience of the Academic Hospital Vanvitelli in Naples. All Academic Hospitals are intrinsically complex due to their threefold mission, set within a diverse and multifaceted environment, which is continually challenged by ongoing innovations. A particular layer of intricacy for Vanvitelli stems from the implementation of clinical risk management within its historic buildings in the in the urban heart of Naples. This experience shows that even in strictly regulated and complex environments, there’s always room for innovative management. This case highlights the essential roles and strategies used in risk management. Insights provide a crucial perspective on harmonizing regulations, practical implementation, and innovative methods in the contemporary healthcare setting
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