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Niobium
Metal element with symbol Nb and atomic number 41 <http://periodic.lanl.gov/41.shtml>
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Results 1 - 2 of 2 listed by similarity [list alphabetically]
PDF Niobium and tantalum: indispensable twins [More info]
Explains why these elements are commonly discussed together, how they are used, where we get them, and prospects for future supply and demand.
PDF Flow studies for recycling metal commodities in the United States [More info]
What happens to all the scrap metal? How well does recycling work? This guide explains what we know about the overall processes of recycling various metals.
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