Results 131 - 140 of 251

• Acoustic Assessment of Pneumatic and Electric Jackleg Drills used in the Mining Industry
  4/1/2010 - Conference papers
  This paper presents an acoustic assessment of pneumatic and electric jackleg drills involving Noise Source Identification (NSID), penetration rate measurements, operator’s cumulative noise dose measurements, and determination of sound power levels.
• Straight Line Walking and Path-Turn Identifying Algorithms for a Tracking Device Used in Underground Mines
  1/1/2010 - Conference papers
  This paper describes two algorithms that can provide greater accuracy for underground miner tracking systems.
• Algorithms to Identify Its Own and Surrounding Tunnels for an Underground Tracking Device
  1/1/2010 - Conference papers
  This paper introduces algorithms to locate miners with no need for external reference sensors. There are definitions of useful mathematical operations that can be performed on the node coordinates and includes a description of the algorithms.
• Safety and Health Regulatory Changes and Technology Developments in U.S. Coal Mining
  9/1/2009 - Conference papers
  This paper discusses changes that new legislation and regulations are making to the U.S. coal mining industry, and current research that is producing technologies to make mining safer.
• Field Evaluation of a Passive Diesel Particulate Filter at a Limestone Mine
  4/1/2009 - Peer reviewed journal articles
  In this study, the operators of a limestone mine retrofitted a loader used for clean-up operations with a passive DPF that was lightly catalyzed and used a fuel additive to initiate regeneration at low exhaust temperatures.
• Evaluation of Sequential Extraction Procedures for Soluble and Insoluble Hexavalent Chromium Compounds in Workplace Air Samples
  2/1/2009 - Peer reviewed journal articles
  The results of this study by NIOSH have served to provide performance data in support of the procedures described in the international standard methods, for which such results were previously unavailable in the peer-reviewed literature.
• Underground Coal Mining Disasters and Fatalities: United States, 1900-2006
  1/1/2009 - Historical information, Publications
  NIOSH researchers reviewed mining fatality surveillance data from the period 1900-2006, and using MSHA reports collected additional data on the deaths and circumstances associated with the Sago, Alma, and Darby incidents. They also reviewed published ma...
• Exploration of Two Position Adjustment Methods for Underground Mine Tracking Systems
  1/1/2009 - Conference papers
  This paper introduces two position adjustment methods for mine tracking systems which use a coplanar node-path network mine model as the foundation for their development.
• A Case Study in Applied Social Marketing: Developing an Occupational Safety and Health Product
  12/1/2008 - Peer reviewed journal articles
  This case study provides an example of how social marketing was applied to meet the needs of business customers in the mining industry.
• Use of Infrared Sensors for Monitoring Methane in Underground Mines
  6/1/2008 - Conference papers
  This paper describes research conducted to compare the performance, including response time and accuracy, of selected instruments using infrared and catalytic sensors.