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Results 1 - 10 of 15
EVADE 2.2 has been updated with expanded video and data features to make it a more generalized and powerful tool.
9/1/2006 - Reports of InvestigationsThis report includes the theory of operation, description, and the performance of the Personal Dust Monitor (PDM) compared to gravimetric-based reference dust sampling methods and laboratory verification of the instruments accuracy.
1/1/1995 - Reports of InvestigationsMany mines rely on toxic gas sensors to help maintain a safe and healthy work environment. This report describes a prototype monitoring system developed by the USBM that uses light to power and communicate with remote toxic gas sensors.
1/1/1992 - Reports of InvestigationsReports on the U.S. Bureau of Mines development and testing of an instrinsically safe methane monitor based on differential absorption of infrared light.
9/1/2016 - Reports of InvestigationsA Report of Investigations presenting five strategies for detecting and recording seismic activity associated with deep longwall coal mining.
4/1/2006 - Reports of InvestigationsThis paper summarizes developments in the application of ground-based radar to slope stability monitoring and presents information on NIOSH-sponsored experiments recently completed.
7/1/2002 - Reports of InvestigationsThe process of drilling and bolting the roof is currently one of the most dangerous jobs in underground mining, resulting in about 1,000 accidents with injuries each year in the United States. Researchers from the Spokane Research Laboratory of the Nat...
10/1/1999 - Reports of InvestigationsA performance comparison of 14 rescue breathing apparatus was undertaken as an assessment of past and present worldwide technology. Rescue breathing apparatus are self-contained, closed-circuit breathing apparatus used for entry into areas having atmosp...
1/1/1995 - Reports of InvestigationsA hydrologic-subsidence investigation was performed to evaluate the effects of longwall mining on the local groundwater regime through field monitoring and numerical modeling.
A General Design and Implementation Procedure for Sensor-Based Electrical Diagnostic Systems for Mining Machinery1/1/1993 - Reports of InvestigationsComponent failure in the electrical control circuits of mining machines account for a large percentage of the total downtime of the machine. This report details U.S. Bureau of Mines development of a generic procedure for synthesizing diagnostic systems...