- roast smelting
- обжиг-плавка
English-Russian big polytechnic dictionary. 2014.
English-Russian big polytechnic dictionary. 2014.
Zinc smelting — is the process of converting zinc concentrates (ores that contain zinc) into pure zinc. The most common zinc concentrate processed is zinc sulfide,Citation | title = Compilation of Air Pollutant Emission Factors | publisher = U.S. Environmental… … Wikipedia
Burra Burra Mine (United States) — Infobox nrhp name =Burra Burra Mine Historic District nrhp type = hd caption = Burra Burra Mine collapse site location = Ducktown, Tennessee nearest city = lat degrees = lat minutes = lat seconds = lat direction = long degrees = long minutes =… … Wikipedia
Burra Burra Mine (Tennessee) — Burra Burra Mine Historic District U.S. National Register of Historic Places U.S. Historic district … Wikipedia
metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… … Universalium
Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany … Wikipedia
Dartmoor tin-mining — The wheelpit at Huntingdon mine The Dartmoor tin mining industry is thought to have originated in pre Roman times,[1] and continued right through to the 20th century. From the 12th century onwards tin mining was regulated by a Stannary Parliament … Wikipedia
Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… … Universalium
Central Africa — Introduction region of Africa that straddles the Equator and is drained largely by the Congo River system. It comprises, according to common definitions, the Republic of the Congo (Brazzaville), the Central African Republic, and the… … Universalium
Cobalt extraction techniques — Cobalt ore Several methods exist for the separation of cobalt from copper and nickel. They depend on the concentration of cobalt and the exact composition of the used ore. Contents … Wikipedia
Thallium — (pronEng|ˈθæliəm) is a chemical element with the symbol Tl and atomic number 81. [ [http://periodic.lanl.gov/elements/81.html thallium ] , Los Alamos National Laboratory. Retrieved November 21, 2006.] This soft gray malleable poor metal resembles … Wikipedia
Gweek — is a village and civil parish in the Kerrier district of Cornwall, England renowned for its Seal Sanctuary. by boundary revision in 1986. MusicGweek Silver BandLike many Cornish villages, it features a brass band [ [http://www.gweeksilverband.org … Wikipedia