Results 71 - 80 of 220

• Particle Size and Surface Area Effects on Explosibility Using a 20-L Chamber
  6/25/2015 - Peer reviewed journal articles
  A paper examining the particle size distributions, specific surface areas (SSA), and the explosion suppression effectiveness of various rock dusts.
• Facilitating the Use of Built-in-place Refuge Alternatives in Mines
  4/1/2015 - Reports of Investigations
  An RI that explores 3 issues to facilitate use of BIP RAs: (1) locating BIP RAs further from the face; (2) providing a consistent process for the design and approval of RA stoppings; (3) delivering a reliable supply of clean, breathable air to a BIP RA.
• Current Knowledge of U.S. Metal and Nonmetal Miner Health: Current and Potential Data Sources for Analysis of Miner Health Status
  2/6/2015 - Peer reviewed journal articles
  A report that discusses current knowledge and potential data sources of MNM miner health.
• Radio System Modifications for Improved Mine Safety (Medium Frequency)
  11/19/2014 - Contracts and cooperative agreements
  A contract to increase the performance of medium frequency communications in underground mines.
• Education and Training
  10/7/2014 - Research areas
  Education and Training Topic Page
• Through-the-Earth Communication Systems for Underground Coal Mines: Product Final Development and Standardized Interface Definition
  10/6/2014 - Contracts and cooperative agreements
  A contract to extend the operational range of a through-the-earth communications system while maintaining the portability and permissibility of the subsurface unit.
• Here Comes The Helmet-CAM: A Recent Advance In Technology Can Improve How Mine Operators Investigate and Assess Respirable Dust.
  10/1/2014 - Non-peer reviewed journal articles
  An article describing the latest advancements in technology to improve how mine operators can investigate and assess the respirable dust exposure of their workers.
• Supplementary Technologies for Advanced Mine Communication Networks
  9/25/2014 - Contracts and cooperative agreements
  A contract to develop a Universal Signal Evaluation Package for 75- and 150-MHz bands, adapt a passive magnetic amplifier for 900-MHz, and investigate energy harvesting technologies.
• Wireless Through-The-Earth Modeling and Support
  8/15/2014 - Contracts and cooperative agreements
  A contract to determine the factors that most affect signal transmission and reception for through-the-earth communication systems.
• Refuge Chamber Deployment and Occupancy Status During Mine Emergency Situations
  8/14/2014 - Contracts and cooperative agreements
  A contract to incorporate a wireless base station into the MagneLink Magnetic Communication System (MCS) and to develop a mechanism that automatically activates a portable wireless text messaging device when a refuge chamber is opened or deployed.