Results 111 to 120 of about 23,758 (276)
Background:Despite decreasing US consumption, over 90 million metric tons of coal were exported by the US in 2023, requiring significant infrastructure for transport, handling, and storage of coal at export terminals.
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Prediction of heterogeneous nucleation condensation effect on the surface of respiratory coal dust and test of dust reduction test [PDF]
Surface wettability of coal dust particles is an important factor restricting the efficiency of wet dust removal. Heterogeneous nucleation condensation on the surface of coal dust particles is a means without any pollution, without considering the ...
Liang YUAN +5 more
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Journal of the Royal Anthropological Institute, EarlyView.Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton +3 more
wiley +1 more source
Simulating the Effect of Release of Pressure and Dust Lifting on Coal Dust Explosions [PDF]
, 2007 Dispersion of accumulated layers of combustible dust by turbulent flow or shock waves ahead of a propagating flame can play an important role for explosion propagation in coal mines. In 1924, Greenwald and Wheeler investigated this process in a series of
Skjold, Trygve
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A Very Social History: South American Cricketing Tourists in Britain in 1932
History, EarlyView.Abstract Drawing on both the rich Anglophone cricket historiography and the new Latin American sports scholarship, this article maps out the entangled global networks that shaped the tour of Britain made in 1932 by a team of South American cricketers.
Matthew Brown
wiley +1 more source
Experimental research on flame spectra of methane-coal dust explosions
, 1988 The significance of experimental research on flame spectra of methane-coal dust explosions is explained. Weak explosions of methane-coal dust-air mixtures were carried out in a large-scale tube of 200cm x 2900cm with one end open, and the absolute ...
Liu YZ +4 more
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REPRODUCING OPERATIONAL LANDSCAPES: The Rock Mining for Indonesia's New Capital City
International Journal of Urban and Regional Research, EarlyView.Abstract Indonesia's new capital city is designed to become a green and sustainable city. In this article, we examine the (un)sustainability of the process through which the city is coming into being. Using the sociospatial theory of planetary urbanization, we trace the dialectical relationship between the new city and sites beyond it to show how ...
Bosman Batubara +4 more
wiley +1 more source
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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Journal of Analytical Psychology, EarlyView.Abstract This paper examines the concept of non‐understandable in psychotherapy, based on the author's own play therapy with a boy with mild ASD (autism spectrum disorder). ASD is considered to belong to an area beyond comprehension, as psychotherapy is often deemed ineffective for it.
Toshio Kawai
wiley +1 more source