extractive agent

  • 11nickel processing — Introduction       preparation of the metal for use in various products.       Although it is best known for its use in coinage, nickel (Ni) has become much more important for its many industrial applications, which owe their importance to a… …

    Universalium

  • 12Distillation — Distiller and Distillery redirect here. For other uses, see Distiller (disambiguation) and Distillery (disambiguation). For other uses, see Distillation (disambiguation). Laboratory display of distillation: 1: A heating device 2: Still pot 3:… …

    Wikipedia

  • 13Resource curse — The resource curse (Paradox of Plenty) refers to the paradox that countries and regions with an abundance of natural resources, specifically point source non renewable resources like minerals and fuels, tend to have less economic growth and worse …

    Wikipedia

  • 14native American — native American, adj. a person born in the United States. [1835 45, Amer.] * * * ▪ indigenous peoples of Canada and United States Introduction also called  American Indian,  Amerindian,  Amerind,  Indian,  Aboriginal American,  or  First Nation… …

    Universalium

  • 15Native American — Indian (def. 1). Usage. See Indian, Eskimo. * * * ▪ indigenous peoples of Canada and United States Introduction also called  American Indian,  Amerindian,  Amerind,  Indian,  Aboriginal A …

    Universalium

  • 16ZINC — Le zinc (symbole Zn, numéro atomique 30) est un élément chimique métallique blanc bleuâtre appartenant au sous groupe II b de la classification périodique. Quoiqu’il soit de grande consommation et que ses applications se rencontrent dans la vie… …

    Encyclopédie Universelle

  • 17Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W …

    Wikipedia

  • 18manganese 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

  • 19Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th …

    Wikipedia

  • 20Flux (metallurgy) — Rosin used as flux for soldering A flux pen used f …

    Wikipedia