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Results 81 - 90 of 186 for Coal
  • Article - 12 Jan 2022
    Techniques for controlling dust in mines exist to keep workers safe. Novel approaches utilizing cutting-edge technology have been proposed in recent years.
  • Article - 17 Nov 2012
    Antarctica is a frozen desert continent located south of the Antarctic Circle. It is mostly uninhabitable with a total land area of 14 million km2 of which only 280,000 km2 is ice-free.
  • Article - 8 Nov 2012
    Bulgaria is located in southeastern Europe between Turkey and Romania. The total area of the country is 110,879 km2, and it has a population of 7,037,935 as of July 2012. The country’s climate is...
  • Article - 8 Oct 2012
    Tajikistan, with a total population of 7,768,385 as of July 2012, is located in Central Asia, to the west of China, and south of Kyrgyzstan. The country mostly has a midlatitude continental climate...
  • Article - 21 Jul 2012
    Canada is located in the northern part of the North American continent and is bordered on the west by the North Pacific Ocean.
  • Article - 17 Nov 2012
    Serbia has a total area of the country is 77,474 km2. The country’s climate varies from continental to the Mediterranean according to the regions.
  • Article - 19 Dec 2013
    Acid mine drainage (AMD), also referred to as acid and metalliferous drainage and acid rock drainage, can be defined as outflow of acidic water from metal mines or coal mines that have in most cases...
  • Article - 26 Aug 2022
    This article will look at developments in intelligent unmanned mining and how it can play a role in the future of the industry.
  • Article - 26 Aug 2022
    Recent research has examined how mining in northwestern North America impacts the ecosystems that support salmonids, or ray-finned fish species such as salmon, trout, and chars. The researchers say...
  • Article - 14 Nov 2019
    Mining involves excavating useful materials from within solid earth. Stones and rocks uncovered during the process are made of clusters of minerals and they often form crystals.