1,720,979 research outputs found
Suicidal behaviours and occupational status: a preliminary analysis of emergency room psychiatric consultation
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E.R. ADMISSIONS OF IMMIGRANTS PRESENTING WITH PSYCHIATRIC SYMPTOMS: A RETROSPECTIVE STUDY IN EASTERN PIEDMONT
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Subduction hides high-pressure sources of energy that may feed the deep subsurface biosphere
No full textGeological sources of H2 and abiotic CH4 have had a critical role in the evolution of our planet and the development of life and sustainability of the deep subsurface biosphere. Yet the origins of these sources are largely unconstrained. Hydration of mantle rocks, or serpentinization, is widely recognized to produce H2 and favour the abiotic genesis of CH4 in shallow settings. However, deeper sources of H2 and abiotic CH4 are missing from current models, which mainly invoke more oxidized fluids at convergent margins. Here we combine data from exhumed subduction zone high-pressure rocks and thermodynamic modelling to show that deep serpentinization (40–80 km) generates significant amounts of H2 and abiotic CH4, as well as H2S and NH3. Our results suggest that subduction, worldwide, hosts large sources of deep H2 and abiotic CH4, potentially providing energy to the overlying subsurface biosphere in the forearc regions of convergent margins
Correlations among alexithymia, personality and self-esteem in eating disorders: preliminary results
No full textPerinatal and Neonatal Outcomes of Lithium-Treated and Untreated Bipolar Women During Pregnancy: A Review of Present Literature
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