reduction smelting crucible
11Canada — /kan euh deuh/, n. a nation in N North America: a member of the Commonwealth of Nations. 29,123,194; 3,690,410 sq. mi. (9,558,160 sq. km). Cap.: Ottawa. * * * Canada Introduction Canada Background: A land of vast distances and rich natural… …
12arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
13Zinc oxide — Other names Zinc white Calamine Identifiers …
14Iceland — Icelander /uys lan deuhr, leuhn deuhr/, n. /uys leuhnd/, n. 1. a large island in the N Atlantic between Greenland and Scandinavia. 39,698 sq. mi. (102,820 sq. km). 2. a republic including this island and several smaller islands: formerly Danish;… …
15Carbon — (), but as most compounds with multiple single bonded oxygens on a single carbon it is unstable.] Cyanide (CN–), has a similar structure, but behaves much like a halide ion (pseudohalogen). For example it can form the nitride cyanogen molecule… …
16History of Pittsburgh, Pennsylvania — For more than 10,000 years, Native Americans populated what is today the Pittsburgh region. Nearby Meadowcroft Rockshelter provides possible evidence of the oldest inhabitation of the Americas. The Greatest Journey, James Shreeve, National… …
17Industrial process — Industrial processes are procedures involving chemical or mechanical steps to aid in the manufacture of an item or items, usually carried out on a very large scale.Industrial processes are the key components of heavy industry.Most processes make… …
18gold processing — Introduction preparation of the ore for use in various products. For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… …
19Regulus — Regulus1 [reg′yə ləs] n. [ModL < L, dim. of rex, a king: see RIGHT] 1. a multiple star, the brightest star in the constellation Leo: magnitude, 1.4 2. pl. reguluses or reguli [reg′yəlī΄] [r ] Chem. Metallurgy 3. a) …
20Lion's Heart — Regulus Reg u*lus ( l?s), n.; pl. E. {Reguluses} ( ?z), L. {Reguli} ( l?). [L., a petty king, prince, dim. of rex, regis, a king: cf. F. r[ e]gule. See {Regal}.] 1. A petty king; a ruler of little power or consequence. [1913 Webster] 2. (Chem. &… …
