Results 81 to 90 of about 357,318 (209)
Meitan xuebaoAiming at the problems of super-large mining space, strong ore pressure and ultra-high coal wall stability control faced by full-mechanized mining face with ultra-large mining height and thick hard roof, this paper takes the 122104 working face of ...
Yajun LEI +11 more
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Coal mining areas: environmental issues and solutions (on the example of Kuzbass) [PDF]
, 2015 Rozdział z: Functioning of the Local Production Systems in Central and Eastern European Countries and Siberia. Case Studies and Comparative Studies, ed. Mariusz E.
Tsvelodub, Yuliya
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Meitan xuebaoSummarizing the current development status of intelligent and digital technologies in the coal industry, analyzing the new situations and requirements for research and application of intelligent technologies and complete sets of equipment for efficient ...
Guofa WANG +6 more
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Appalachian Coalfield Delegation Position Paper on Sustainable Energy [PDF]
, 2007 Appalachian grassroots groups(with support provided by the DataCenter) release a scathing report on the impact of coal mining to the United Nations Commission on Sustainable Development. The Delegation created an historic moment with its powerful stories
Harvard Ayers +6 more
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Meitan xuebaoThe dynamic response characteristics of stope support include the information of support resistance increase and live column shrinkage, which is not only an important index to reflect the strength of mining pressure behavior in working face, but also the
Xingyu LIN +5 more
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Productivity Trends in the Coal Mining Industry in Canada [PDF]
The purpose of this report is to uncover the factors behind what has been a very strong productivity performance from the coal mining industry in Canada over the past four decades.
Jeremy Smith
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Mechanical behavior and failure mechanisms of rock bolts subjected to static-dynamic loads
International Journal of Mining Science and TechnologyThis study explores the effects of dynamic and static loading on rock bolt performance a key factor in maintaining the structural safety of coal mine roadways susceptible to coal bursts.
Hongpu Kang +6 more
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OPTIMIZATION OF INVESTMENT FOR COAL MINES BASED ON NEURAL NETWORK MODEL [PDF]
, 2018 The main objective of the paper is to develop a system of economic and mathematical models for managing the investment activity of the coal mining enterprise, including improving the principles and methods for analyzing the profitability ...
CHURIKANOVA, Olena +5 more
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Meitan xuebaoThis paper analyzes the current situation and existing problems of coal roadway driving technologies and equipment, introduces the new mode, technology, equipment of coal roadway rapid driving with integrated drilling and anchoring and its underground ...
Hongpu KANG +13 more
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