high-grade matte

См. также в других словарях:

• 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

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• Moldanubian Zone — Most important structures and zones of the Variscan or Hercynian Orogeny in Europe.[1] The Moldanubian Zone is in the regional geology of Europe a tectonic zone formed during the Variscan or Hercynian Orogeny (400 to 300 million ye …   Wikipedia

• tin processing — Introduction       preparation of the ore for use in various products.       Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… …   Universalium

• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

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• Copper extraction techniques — This article is about historical production methods. For modern methods, see Flash smelting. The Chino open pit copper mine in New Mexico …   Wikipedia

• copper processing — Introduction  use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …   Universalium

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• Da Vinci Systems — is a main manufacturer of high end post production color grading and film restoration systems for feature films, video production and broadcast post production facilities. It was headquartered in Coral Springs, Florida still with offices in Los… …   Wikipedia