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Alumina Limited (838 bytes)
1: '''Alumina Limited''' is a public company listed on the [[Au... 3: ...re [[aluminium]]. It has about 25% of the global alumina market. Alcoa owns the remaining 60% of the busi... 9: * [http://www.aluminalimited.com Alumina Limited] Silica-alumina (972 bytes) 1: '''Silica-alumina''', also known as alumino-silicate(s). Oxide-like... 2: amorphous silica-alumina is treated with strong acids such as hydrochloric... Transparent alumina (2536 bytes) 1: ...>) which is [[transparent]]. In bulk, solid form, alumina is a colorless, transparent solid. [[Ruby]] and [... 5: ...echnologies and Sintered Materials. This sintered alumina is very hard, nearly transparent, and has a very ... 7: ...nnesota]] used a "flame-spray" technique to alloy alumina (aluminium oxide) with rare-earth metal oxides to... 12: Bulk transparent alumina apparently is now practical. http://physicsweb.or... 20: ...transparent_sinter_alumina.htm Transparent sinter alumina] ''(press release)'' Bayer process (1495 bytes) 1: ... is the principal industrial means of producing [[alumina]], itself important in the [[Hall-Heroult process... 3: ...droxide]], NaOH, at 250°C. This converts the alumina to [[aluminum hydroxide]], Al(OH)<sub>3</sub>, wh... 5: :[[alumina|Al<sub>2</sub>O<sub>3</sub>]] + 2 [[hydroxide|OH<... 7: ... 1050°C, the aluminum hydroxide decomposes to alumina, giving off water vapor in the process: 9: ...[aluminum hydroxide|Al(OH)<sub>3</sub>]] → [[alumina|Al<sub>2</sub>O<sub>3</sub>]] + 3 [[water|H<sub>2... Carmine (1670 bytes) 7: ...hue. It differs also according to the amount of [[alumina]] present in it. It is sometimes adulterated with... 9: ...a pigment obtained by adding freshly precipitated alumina to decoction of cochineal. Persian red (166 bytes) 1: ...lf]] composed of a [[silicate]] of [[iron]] and [[alumina]], with [[magnesia]]. Boiling chip (278 bytes) 1: ...re typically made of a porous material, such as [[alumina]] or [[carbon]], and often have a nonreactive coa... NaS battery (1966 bytes) 9: ...thode. The sulfur is absorbed in a carbon sponge. Alumina is a good conductor of '''Na''' ions but a bad co... 16: ... container and sealed at the top with an airtight alumina lid. The cell Bauxite (3939 bytes) 6: ...the [[electrolyte|electrolytic]] [[reduction]] of alumina in a molten bath of natural or synthetic [[cryoli... 8: ...it would require new plants using new technology, alumina from these nonbauxitic materials could satisfy th... 9: .... Although more costly, [[silicon carbide]] and [[alumina-zirconia]] Transparent aluminum (1415 bytes) 3: ...lumina]], a transparent [[ceramic]] composed of [[alumina]] (aluminum oxide). Aluminium oxide (3998 bytes) 83: ...um]] and [[oxygen]]. It is also referred to as '''alumina''' for short, a name commonly used in the [[minin... 95: ... developed a technique for making an [[alloy]] of alumina and [[rare earth element]]s to produce a strong [... 100: *[[Transparent alumina]] 101: ...icle/news/8/8/9 PhysicsWeb article on Transparent alumina] Hall-Heroult process (2685 bytes) 3: In the Hall-Heroult process [[alumina]], Al<sub>2</sub>O<sub>3</sub> is dissolved in a ... 5: :2 [[alumina|Al<sub>2</sub>O<sub>3</sub>]] + 3 [[carbon|C]] &r... 13: ...h into the carbon form required for reaction with alumina. Prebake technology is named after its anodes, wh... Cermet (637 bytes) 1: ...r for an [[oxide]], [[boride]], [[carbide]], or [[alumina]]. Generally, the metallic elements used are [[ni... Thiès region (648 bytes) 1: ...ruit]]. It has rail yards and repair shops, and [[alumina phosphate]] deposits are worked at nearby [[Palo]... Hip replacement (2467 bytes) 14: ...rry.shtml Commentary & Perspective on "Alumina-on-Alumina Total Hip Arthroplasty"] Cenospheres (743 bytes) 1: ...llow sphere comprised largely of [[silica]] and [[alumina]] and filled with inert air or gas. ''Cenosphere... Conakry (878 bytes) 1: ...dling and storing cargo, through which [[aluminum|alumina]] and [[banana|bananas]] are shipped. Manufactur... Insulator (3075 bytes) 8: ...]], [[quartz]] or [[alumina]] and [[feldspar]]. [[Alumina]] insulators are used where high mechanical stren... Chobham armour (4782 bytes) 1: ...MC's. The Rank company claims to have invented an alumina matrix for the insertion of boron carbide or sili... 9: ...ems not based on the cheap but rather ineffective alumina. Ceramic modules will corrode their matrix and gr... River Shannon (2775 bytes) 15: ...frican mines to the plant, where it is refined to Alumina. This is then exported to [[Canada]] where it is ...
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