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- Seals
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Results 11 - 20 of 44
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7/16/2016 - Contracts and cooperative agreementsA contract to assess four types of existing technology that can be applied to seals in a nondestructive manner under experimental conditions, including radio frequency sensing, ultrasonic sensing, ground penetrating radar, and tracer gas methods.
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1/1/2016 - Peer reviewed journal articlesAn article detailing the results of a study on leakage rates of coal bed gas through underground coal mine seals at a western U.S. underground coal mine.
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9/22/2015 - Research areasInertization Technologies Topic Page
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7/22/2014 - Contracts and cooperative agreementsA contract to develop a spray-applied polyurea coating system that would upgrade existing 20-psi approved mine seals to withstand blast pressures greater than 60 psi.
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5/28/2014 - Contracts and cooperative agreementsA contract to transfer protective structure design technology from the defense establishment to the design and construction of seals in the coal industry.
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7/1/2012 - Peer reviewed journal articlesThe research presented in this paper investigates the total leakage of a stopping, including air leakage through the stopping, at the stopping perimeter, and through the coalbed.
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2/1/2010 - Conference papersThis paper presents an overview of a novel PSA (pressure swing adsorption) plant, the details of the gas injection tests and CFD modeling work.
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1/1/2010 - Peer reviewed journal articlesThis paper discusses some concepts and preliminary test results for a Passive Mine Blast Attenuator (PMBA) that can provide a useful alternative to increasingly larger and stronger stand-alone mine seals.
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10/1/2009 - Conference papersThe objective of this research is to estimate the cementitious seal/rock interface properties from full scale test results.
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5/1/2009 - Peer reviewed journal articlesNIOSH research on reducing heavy equipment operator exposure to dust is detailed in this report.
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Content source: National Institute for Occupational Safety and Health, Mining Program