pressure process
111basic-oxygen process — basic( oxygen) process noun A steelmaking process in which oxygen is blown at high pressure through molten pig iron • • • Main Entry: ↑basic …
112basic(-oxygen) process — noun A steelmaking process in which oxygen is blown at high pressure through molten pig iron ● basic …
113Triger process — Tri ger proc ess [After M. Triger, French engineer.] (Engin. & Mining) A method of sinking through water bearing ground, in which the shaft is lined with tubbing and provided with an air lock, work being proceeded with under air pressure.… …
114Molding (process) — One half of a bronze mold for casting a socketed spear head dated to the period 1400 1000 BC. There are no known parallels for this mold …
115Haber process — a process for synthesizing ammonia from gaseous nitrogen and hydrogen under high pressure and temperature in the presence of a catalyst. [named after Fritz HABER] * * * …
116oxo process — /ok soh/, Chem. a process for producing carbonyl compounds, esp. alcohols and aldehydes, by adding, under high pressure, carbon monoxide and hydrogen to an olefin in the presence of a cobalt catalyst. Also called oxo reaction. [OX + O ] * * * …
117Haber process — /ˈhabə ˌproʊsɛs/ (say hahbuh .prohses) noun an industrial process for preparing ammonia from atmospheric nitrogen, whereby nitrogen is heated with hydrogen under high pressure in the presence of a catalyst; gaseous ammonia being formed according… …
118bergius process — ˈbergēəs noun Usage: usually capitalized B Etymology: after Friedrich Bergius died 1949 German chemist : a process of hydrogenating usually powdered coal mixed with oil and a catalyst under heat and high pressure in order to obtain chiefly liquid …
119danner process — ˈdanə(r) noun Usage: usually capitalized D Etymology: after Edward Danner died 1952 American inventor : a process for producing glass cane or tubing by continuous drawing from a rotating refractory cylinder, the diameter of the tubing being… …
120vello process — ˈvel(ˌ)yō noun Usage: usually capitalized V Etymology: after Leopoldo Sanchez Vello, 20th century Spanish inventor : a process for producing glass tubing by dropping molten glass through an annular space surrounding a rotating hollow pipe, the… …
