Results 171 to 180 of about 73,550 (313)
Energy Science &Engineering, EarlyView.This study determines the impact critical stress early‐warning indicators for deep soft coal seams: 18 MPa (shallow holes), 20 MPa (deep holes), and 3 MPa/d daily stress change rate, via theoretical, experimental and simulation methods. ABSTRACT The accurate determination of early‐warning indicators for critical impact stress in deep soft coal seams is
Haichen Yin +8 more
wiley +1 more source
Assessment of water quality in moatize, mozambique: possible human health risks from coal mining and use. [PDF]
Environ Geochem HealthCossa MAJC +4 more
europepmc +1 more source
"The Technical Study Panel on the Utilization of Belt Air and the Composition and Fire Retardant Properties of Belt Materials in Underground Coal Mining was created under Section 11 of the Mine Improvement and New Emergency Response Act of 2006 (MINER ...
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The Prospects for Coal: Global Experience and Implications for Energy Policy [PDF]
This paper argues that coal and its industry is promising. It is found that the Western European (including the British) case has been misunderstood and the US case shows a developing coal industry under increasing levels of environmental pressure.
Dr. Xunpeng SHI
core
Recent advancements and emerging challenges in deep underground engineering
Deep Underground Science and Engineering, EarlyView.
Jianguo Wang, Chunfai Leung
wiley +1 more source
Energy Science &Engineering, EarlyView.The low‐field nuclear magnetic resonance (NMR) measurements are applied to investigate the seepage characteristics of the single rough joint. The purpose of this paper is to investigate the seepage characteristics of granite specimens with single‐joint channel under the different roughness, confining pressures and seepage pressures.
Hao Cheng, Xiujie Zhong
wiley +1 more source
Coal Mining in Socioeconomic Aspect
Экономический вестник Донбасса, 2014 ???????????????????? ???????????????????????????? ?????????????????????? ?? ???????????????????? ???????????????? ?? ???????????????? ???????????????????????????? ???? ???????????????? ??????????????????????-???????????????????????? ????????????????. ???????????????? ?????????????????????? ?????????????????????? ???? ?????????????????????? ?????????????
openaire +2 more sources
New techniques for mining thin-seam mountaintop coal reserves [PDF]
"The U.S. Bureau of Mines is conducting research aimed at providing technology for a low-cost, high-recovery, environmentally acceptable mining system to recover the vast thin-seam coal reserves existing in the mountainous areas of the Appalachian region
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Experimental and Numerical Investigation of Cedar Façade Flame Spread With Respect to Sidewall
Fire and Materials, EarlyView.ABSTRACT In response to growing energy conservation and carbon neutrality efforts, façade systems incorporating wooden materials have attracted increasing attention, which in turn raises concerns about their combustibility. This study presents a combined experimental and numerical investigation of flame spread along cedar façades.
Xukun Sun +6 more
wiley +1 more source