- slag acidity
- Смотри Кислотность шлака.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
slag acidity
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Slag — is the by product of smelting ore to purify metals. They can be considered to be a mixture of metal oxides; however, they can contain metal sulfides (see also matte) and metal atoms in the elemental form. While slags are generally used as a waste … Wikipedia
Кислотность шлака — [slag acidity] отношение числа атомов О,связанных с Si, Al, P, Ti, т. е. входящего в кислотные оксиды (SiO2, Аl2O5, TiO2, P2O5), к числу атомов О, образующего основные оксиды (FeO, CaO, ВаО, МпО и др.). Кислотность шлака условный критерий, дающий … Энциклопедический словарь по металлургии
кислотность шлака — Отношение числа атомов О, связ. с Si, Al, P, Ti, т.е. входящего в кислотные оксиды (SiO2, Аl2O5, TiO2, P2O5), к числу атомов О, образующего осн. оксиды (FeO, CaO, ВаО, МnО и др.). К. ш. — условный критерий, дающий представление о промышл.… … Справочник технического переводчика
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium
Acid mine drainage — Yellow boy in a stream receiving acid drainage from surface coal mining. Acid mine drainage (AMD), or acid rock drainage (ARD), refers to the outflow of acidic water from (usually abandoned) metal mines or coal mines. However, other areas where… … Wikipedia
manganese processing — Introduction preparation of the ore for use in various products. Manganese (Mn) is a hard, silvery white metal with a melting point of 1,244° C (2,271° F). Ordinarily too brittle to be of structural value itself, it is an essential… … Universalium
Mineral CSA (brand) — Mineral CSA is a finely ground calcium silicate feedstock produced by the U.S. based company Harsco Minerals, which provides a solution for correcting acidic conditions and managing toxic metals associated with acid mine drainage (AMD). Mineral… … 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
vanadium processing — Introduction preparation of the metal for use in various products. Vanadium (V) is a grayish silver metal whose crystal structure is a body centred cubic (bcc) lattice, with a melting point of 1,926° C (3,499° F). The metal is used… … Universalium
Agriculture in the United Kingdom — A combine harvester in Scotland Agriculture in the United Kingdom uses around 71% of the country s land area and contributes about 0.6% of its gross value added. The UK produces less than 60% of the food it eats and the industry s share of the… … Wikipedia
