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Results 81 - 90 of 122 for Air conditioning systems
  • Semiconducting Ore Minerals
    Article - 6 Sep 2019
    This article discusses the ore minerals used in semiconducting.
  • The Importance of Rheology in Mining Processes
    Article - 26 Aug 2019
    Rheology encompasses the science of deformation and how matter flows over time based on the mechanical properties of the material and whether it behaves in a brittle, elastic or viscous fashion.
  • Compressor Oil Analysis
    Article - 6 Sep 2018
    Compressed air is regarded as the fourth utility after water, power and fuel (natural gas), and generally the one that all customers should generate and offer themselves. Compressor oil analysis is...
  • Advanced Mine Ventilation
    Article - 17 Oct 2017
    The regulations of ventilation systems within underground mines that are set by the United States Department of Labor’s Mine Safety and Health Administration.
  • Improving the Safety of Batteries in Underground Coal Mines
    Article - 17 Oct 2017
    The high energy density of rechargeable lithium ion (Li-ion) batteries allow for enhanced storage capabilities and longer runtimes, making this technology one of the most popular options for portable...
  • How Refuge Chambers Save Lives
    Article - 13 Oct 2017
    The combustion of either methane, which is released during the extraction of coal from the walls of the mines, coal dusts or a combination of both, are the sources of coal mine explosions that have...
  • Black Hills Announces Q3 Financial Results; Revises 2010 Guidance
    News - 29 Oct 2010
    Black Hills Corp. (NYSE: BKH) today announced third quarter 2010 financial results. Adjusted income from continuing operations was $14.8 million or $0.38 per share, compared to $2.6 million or...
  • Boomer M2 C Equipped with COP 3038: Face Drilling Rig from Atlas Copco
    Equipment
    The Boomer M2 C is a modern hydraulic face drilling rig which is provided with COP 3038 rock drills and two robust BUT 35SL booms for increasing its productivity.
  • Boomer XL 3D from Atlas Copco
    Equipment
    The Boomer XL 3D is a modern hydraulic face drilling rig which is suitable for mine production and large-sized tunnels.
  • Boomer XE 3C: Face Drilling rig from Atlas Copco
    Equipment
    The Boomer XE3 C is a modern, hydraulic face drilling rig which is used in large-sized tunnels. COP rock drills and three robust and flexible BUT 45 booms are present in the rig for achieving high...

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