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Results 181 - 183 of 183 for Concentrating Tables
  • Article - 14 Nov 2019
    Some devices require semiconductor materials with elements from the “metalloid staircase” (located across groups 13, 14 and 15 of the periodic table).
  • Article - 31 Oct 2012
    The year 2006 saw the opening of the Three Gorges Dam on the Yangtze River and was a testimony to the successful efforts of China to harness the energy of its big rivers on a massive scale.
  • Article - 12 Jul 2012
    ‘Urban mining’ is the process of mining landfills and then recycling all of the precious metals thrown away in urban environments.