Results 71 to 80 of about 2,971,054 (152)
Case Studies in Thermal EngineeringTo understand the explosion characteristics of methane-lignite coal dust mixtures and the spatiotemporal evolution of the early flame flow field, explosion pressure, OH* emission spectra, and early flame schlieren images were captured in a 60L constant ...
Haiyan Wang +4 more
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Scientific ReportsThe explosion of coal dust is powerful and has a wide range of spread, which can easily cause mass death and injury. In this paper, the flame microstructure and propagation characteristics of coal dust explosion are recorded by high-speed photography ...
Zemiao Yang, Ke Gao, Yinhui Wang
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Experimental research on microbial dust suppressant for solidified dust based on MICP
Meikuang AnquanIn order to reduce the concentration of coal dust in open-pit coal mines, reduce and prevent the harm of coal dust, based on the microbial induced calcite precipitation solidification dust technology, the influence of environmental factors（temperature ...
Guangyi GAO
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Spatial distribution and migration law of respirable dust in fully mechanized mining face
Meikuang AnquanFor the problem that the dust sampling method can only measure the dust mass concentration at fixed working locations, and can not systematically reflect the spatial distribution characteristics and migration rules of the dust mass concentration in the ...
Xiangjun CHEN +3 more
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Control of airborne respirable dust in the face area with water sprays using a full-scale laboratory model [PDF]
"This report presents the results of a Bureau of Mines laboratory investigation of the effect of water sprays in reducing respirable dust that escaped the face area of a full-scale wooden model of a mine entry containing a wooden model of a ripper-type ...
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Variability of the ice nuclei concentration over Central Europe [PDF]
, 2011 Die kumulative Dissertation beschäftigt sich mit der atmosphärischen Konzentration von Eiskeimen, einer Unterklasse des atmosphärischen Aerosols, die bei der Eisbildung in Wolken eine zentrale Bedeutung besitzt.
Klein, Holger
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Continuous Respirable Mine Dust Monitor Development [PDF]
In June 1992, the Mine Safety and Health Administration (MSHA) published the "Report of the Coal Mine Respirable Dust Task Group, Review of the Program to Control Respirable Coal Mine Dust in the United States." As one of its recommendations, the report ...
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Economic Analysis of a Traveling Gun for Feedyard Dust Suppression [PDF]
Dust created in feedyards can adversely affect cattle performance. Dust suppression can be accomplished by moistening pen surfaces with traveling gun(s) sprinklers, solid-set sprinklers, and water trucks.
Amosson, Stephen H. +3 more
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The problems such as poor wettability of ultrafine coal dust (mass fraction of coal dust with a particle size less than 5 μm is not less than 50%) have seriously restricted the effect of mine dust control.
Xiang HAN +8 more
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Coal dust explosibility meter evaluation and recommendations for application [PDF]
"This report details the results of a NIOSH investigation on the ability of the Coal Dust Explosibility Meter (CDEM) to accurately predict the explosibility of samples of coal and rock dust mixtures collected from underground coal mines in the U.S.
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