silicon manganese

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• Manganese(IV) fluoride — IUPAC name manganese tetrafluoride Other names manga …   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

• Manganese — Not to be confused with Magnesium. This article is about the chemical element. For the ghost town, see Manganese, Minnesota. For the steamship, see SS Manganese. chromium ← manganese → iron ↑ Mn ↓ Tc …   Wikipedia

• manganese — /mang geuh nees , neez /, n. Chem. a hard, brittle, grayish white, metallic element, an oxide of which, MnO2 (manganese dioxide), is a valuable oxidizing agent: used chiefly as an alloying agent in steel to give it toughness. Symbol: Mn; at. wt …   Universalium

• Manganese deficiency (medicine) — This article is about the condition in humans. For the condition in plants, see Manganese deficiency (plant). Manganese deficiency (medicine) Classification and external resources ICD 10 E61.3 Manganese deficiency in humans results in a number of …   Wikipedia

• Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …   Wikipedia

• Manganese nodule — Polymetallic nodules, also called manganese nodules, are rock concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a core. The core may be microscopically small and is sometimes completely transformed… …   Wikipedia

• silicon bronze — noun a bronze with 2 3% silicon that is resistant to corrosion • Hypernyms: ↑bronze * * * noun : an alloy of copper and usually 1.5 or 3 percent silicon with small amounts of various third elements (as zinc, tin, or manganese) …   Useful english dictionary

• silicon spiegel — noun : a spiegeleisen containing 15 to 20 percent of manganese and 8 to 15 percent of silicon and used in making certain special steels …   Useful english dictionary

• Mercury-manganese star — A mercury manganese star is a type of chemically peculiar star with a prominent spectral line at 398.4 nm, due to absorption from ionized mercury.[1] These stars are of spectral type B8 or B9, with two distinctive characteristics: An atmospheric… …   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