STRATEGIE ENUNCIATIVE NEL DISCORSO CINEMATOGRAFICO EUROPEO DEGLI ANNI CINQUANTA


Radiation-Driven Stellar Eruptions

Very massive stars occasionally expel material in colossal eruptions, driven by continuum radiation pressure rather than blast waves.Some of them rival supernovae in total radiative output, and the mass loss is crucial for subsequent evolution.Some are Denim Skirts supernova impostors, including SN precursor outbursts, while others are true SN even

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ANTILEISHMANIAL EPIDIOXYSTEROLS FROM THE COLOMBIAN MARINE SPONGE Ircinia campana ARE OXIDATION PRODUCTS FROM NATURALLY OCCURRING Δ5,7 STEROLS

Marine sponges of the genus Boys Hawaiian shirts Ircinia are known to contain several classes of metabolites, some of them with interesting biological activities as furanesesterterpenes, polyprenylated hydroquinones, macrolides, sulfur containing terpenoids, and steroids with various patterns of oxidation.In our search for antiparasitic metabolites

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