molybdenum trioxide
61Oxyde de carbone — Un oxyde de carbone est un composé chimique constitué d une combinaison d atomes de carbone et d oxygène uniquement[1],[2]. Les plus simples et les plus communs des oxydes de carbone sont le monoxyde de carbone, CO, et le dioxyde de carbone, CO2 …
62catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… …
63tungsten — tungstenic /tung sten ik/, adj. /tung steuhn/, n. Chem. a rare, metallic element having a bright gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high… …
64petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
65molybdite — məˈlibˌdīt noun ( s) Etymology: German molybdit, modification (influenced by it ite) of English molybdine, from molybd + ine : ferrimolybdite called also molybdic ocher * * * molybdite Min. (məʊˈlɪbdaɪt) …
