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23 ore fa · Documento di approfondimento sui pericoli dei mescolatori a cilindri per materie plastiche e gomma in accordo alla norma tecnica UNI EN 1417:2023 “Macchine per materie plastiche e gomma - Mescolatori a cilindri - Requisiti di sicurezza”. La norma tratta tutti i pericoli significativi, le situazioni pericolose o gli eventi pericolosi relativi ai mescolatori a cilindri per la lavorazione ...
23 ore fa · Pi is a mathematical constant that represents the ratio of a circle's circumference to its diameter. Learn about its history, properties, and applications in this Wikipedia article.
23 ore fa · Richard Phillips Feynman (/ ˈ f aɪ n m ə n /; May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, as well as his work in particle physics for which he proposed the parton model.
23 ore fa · Scope. For historical value, this list includes every sauropod species that has ever been formally named, regardless of whether the species is currently considered to be valid.
