Results 101 to 110 of about 21,178 (224)
Gong-kuang zidonghua, 2019 In view of goaf spontaneous combustion prevention of 12401 fully mechanized working face with large mining height in Shangwan Coal Mine, CO is determined as prediction index gas of coal spontaneous combustion and C2H4 is used as auxiliary index gas to ...
QU Shijia +3 more
doaj +1 more source
Rapidly Growing Middle Class Presents Severe Challenge for the Environment and Human Health in Asia and the Pacific [PDF]
, 2016 Unprecedented economic growth, which has lifted millions out of poverty in Asia and the Pacific, is putting heavy pressure on ecosystems. Increasing unsustainable consumption patterns have led to worsening air pollution, water scarcity and waste ...
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Investigation on Fires in Coal Mines and Approach for Prevention – Case Study [PDF]
, 2013 Coal absorbs oxygen even at lower temperatures than the ambient temperature and they start heating up. This heating without any external source of supply of heat generally leads to due to auto-oxidation, also called spontaneous heating of coal.Due to ...
Bisoyi , Sunil Kumar +1 more
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FACTORS IN THE SPONTANEOUS COMBUSTION OF COAL
Journal of the American Society for Naval Engineers, 1924 General statement -- Size of coal : fineness of pieces -- Temperature at time of storage -- Freshness of coal surface -- Rise of temperature to danger point -- Dissipation of heat generated -- Segregation of coal by sizes in a pile -- Access of oxygen : ventilation. ; Mode of access: Internet.
openaire +2 more sources
Current state-of-the-art in drying low-rank coals [PDF]
, 1976 Preparing Alaska's coal for marketing -- Drying low-rank coals -- Effect of lignite source -- Acknowledgement -- References.Research on drying of low-rank coals, such as lignites and subbituminous coals, has been conducted for nearly half a century ...
Rao, P.D. and Wolff, E.N.
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Constraints on Exotic Heavily Ionizing Particles from the Geological Abundance of Fullerenes
, 1999 The C_{60} molecule exhibits a remarkable stability and inertness that leads to its survival in ancient carbonaceous rocks initially subject to the high temperatures requisite for its formation.
Collar, J. I., Zioutas, K.
core +1 more source
Magnetic microspherules associated with the K/T and upper Eocene extinction events [PDF]
Magnetic microspherules were identified in over 20 K/T boundary sites, and in numerous Deep Sea Drilling Project (DSDP) cores from the Caribbean and Pacific, synchronous with the extinction of several radiolarian species near the end of the Eocene. The K/
Cisowski, Stanley M.
core +1 more source
Hydrogen-powered road vehicles : the health benfits and drawbacks of a new fuel [PDF]
, 2009 Because of the political, social and environmental problems associated with dependency on fossil fuels, there is considerable interest in alternative energy sources.
Dogger, J.W. +7 more
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