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Results 11 - 20 of 577
11/1/2011 - Peer reviewed journal articlesNoncontact electric arc burns are the most common cause of electrical injury in mining according to data for 1990 through 2001. Results from a NIOSH study of arc flash hazards in mining and recommendations to reduce these injuries are presented.
10/1/2011 - Peer reviewed journal articlesThis study evaluated CO and CO2 emissions from spontaneous heating of a U.S. coal sample in an isothermal oven under different airflow ventilation rates from 100 to 500 cm3/min. Experiments were conducted at oven temperatures of 70, 90, and 100 °C.
10/1/2011 - Peer reviewed journal articlesParticulate exposure from air pollution increases the risk of ischemic heart disease (IHD) mortality. Although coal miners are highly exposed to coal dust particulate, studies of IHD mortality risk among coal miners have had inconsistent results.
9/1/2011 - Peer reviewed journal articlesResults from the NIOSH underground dust surveys and current longwall dust control technology and operating practices are discussed.
8/1/2011 - Peer reviewed journal articlesFor 10 subjects in four postures, euler angle decomposition and inverse dynamics were used to determine the knee angles, the net forces, and the moments applied to the tibia during kneeling and squatting with and without kneepads.
5/1/2011 - Peer reviewed journal articlesThis paper discusses the impact of ventilation airflow on alarm times of the smoke detectors and video cameras, CO levels, smoke optical densities and smoke obscuration, total smoke mass concentrations, and fire heat release rates.
5/1/2011 - Peer reviewed journal articlesResearchers at the National Institute for Occupational Safety and Health (NIOSH) are investigating different lighting technologies with the objective of improving mine safety.
3/1/2011 - Peer reviewed journal articlesField tests confirm that an air-blocking shelf installed in the inside perimeter of a blasthole drill shroud substantially improves dust control. This modification reduced respirable dust by 66%–81% in the immediate vicinity of the shroud...
1/1/2011 - Peer reviewed journal articlesStone mines in the eastern and midwestern United States use the room-and-pillar method of mining to extract relatively flat-laying sedimentary formations. A survey of pillar performance was carried out to identify potential modes of instability.
1/1/2011 - Peer reviewed journal articlesThis paper describes the production of high-expansion firefighting foam and discusses the in-mine experimental tests and results.