Results 71 to 80 of about 5,273,755 (149)

Mitigating Coal Dust Explosions In Modern Underground Coal Mines [PDF]

The National Institute for Occupational Safety and Health (NIOSH), as part of its continuing research program for evaluating coal dust explosion hazards, has investigated several areas in which current practices may need to be updated in order to ...

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Effects of particle size distribution on the explosion severity of coal dust

, 2019
The effects of particle size distribution (PSD) on coal dust explosion severity were investigated using a 20 L vessel. The severity was evaluated by the maximum explosion pressure (Pex), the maximum rate of pressure rise ((dP/dt)ex), and the time spans ...
Hejun Zhou (7215179), Fangchao Nie (7215176), Longhao Sun (3695332), Jiangshi Zhang (7215173)   +3 more
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Spatial distribution and migration law of respirable dust in fully mechanized mining face

Meikuang Anquan
For 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, Xiangyang YE, Yibo LI, Peiqi ZUO   +3 more
doaj   +1 more source

Relationship between long pressure short extraction dust removal performance and dust source movement path in comprehensive heading face of coal mines

Meitan xuebao
Long pressure short extraction ventilation and dust removal method is one of the effective methods for removing high mass concentration dust in the excavation area of coal mine comprehensive heading face. Especially, the local flow field generated by the
Bingyou JIANG, Yifan WANG, Hanyi LIN, Haoyu WANG, Yang ZHAO   +4 more
doaj   +1 more source

Investigation of Coal Properties and Airborne Respirable Dust Generation [PDF]

"Laboratory crushing experiments were conducted on a range of low- to high-volatile bituminous coals to investigate the various factors influencing airborne respirable dust (ARD) generation.

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Coal Dust Explosibility [PDF]

This paper reports US Bureau of Mines (USBM) research on the explosibility of coal dusts. The purpose of this work is to improve safety in mining and other industries that process or use coal.

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Coal Mine Dust Size Distributions, Chemical Compositions, and Source Apportionment

Current regulations mandate the monitoring of respirable coal mine dust (RCMD) mass and crystalline silica in underground coal mines to safeguard miner health.
Behrooz Abbasi, Mohammadreza Elahifard, Lung-Wen Antony Chen, John G. Watson, Xiaoliang Wang, Judith C. Chow, Bankole Osho   +6 more
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Comments on "Coal Dust-Mimetic Carbon Nanoparticles Induce Colonic Epithelial Cell Senescence via p16/p21 Dual Pathways and Promote Colonic Inflammatory Response". [PDF]

J Gastroenterol Hepatol
Yang K, Qin J, Guo W.
europepmc   +1 more source

Coal dust and methane [PDF]

In the USA, the National Institute for Occupational Safety and Health (NIOSH) does a lot of work and has provided news of interesting new developments. Marcia L.

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Study on CMC-Based Suppressant for Coal Dust and Spontaneous Combustion Control. [PDF]

Polymers (Basel)
Wang J, Jia T, Zhang Z, He X.
europepmc   +1 more source