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The HIsarna ironmaking process is a direct reduced iron process for iron making in which iron ore is processed almost directly into liquid iron ().The process combines two process units, the Cyclone Converter Furnace (CCF) for ore melting and pre-reduction and a Smelting Reduction Vessel (SRV) where the final reduction stage to liquid iron takes place.
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Exhibits include the dawn of civilization in the region, from the paleolithic era, to the neolithic era (with Cucuteni ceramics), and finishing with the Bronze and Iron Ages. More notable displays include weapons made of sharpened stone and bone, decorated pottery, anthropomorphic and zoomorphic figurines, seals belonging to the lords of ...
Iron(II) fumarate, also known as ferrous fumarate, is the iron(II) salt of fumaric acid, occurring as a reddish-orange powder, used to supplement iron intake. It has the chemical formula C 4 H 2 Fe O 4 .
Since iron stores in the body are generally depleted, and there is a limit to what the body can process (about 2–6 mg/kg of body mass per day; i.e. for a 100 kg/220 lb man this is equal to a maximum dose of 200–600 mg/per day) without iron poisoning, this is a chronic therapy which may take 3–6 months. [50]
Below 912 °C (1,674 °F), iron has a body-centered cubic (bcc) crystal structure and is known as α-iron or ferrite.It is thermodynamically stable and a fairly soft metal. α-Fe can be subjected to pressures up to ca. 15 GPa before transforming into a high-pressure form termed ε-Fe discussed below.
It has a total area of 4,986 km 2 (1,925 sq mi), comprising 2.1% of the Romanian territory. The relief is a high plain, between the valleys of the Siret and the Prut, and the latter's affluent, the Jijia River. It has a temperate climate, influenced by the eastern air masses of the continent.
2. Thus, cummingtonite is the series intermediate. Manganese also substitutes for (Fe,Mg) within cummingtonite amphibole, replacing B site atoms. These minerals are found in high-grade metamorphic banded iron formation and form a compositional series between Mn 2 Mg 5 Si 8 O 22 (OH) 2 (tirodite) and Mn 2 Fe 5 Si 8 O 22 (OH) 2 (dannemorite).
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