Study on the influencing factors of photovoltaic siting in coal mining subsidence areas-taking Shanxi Province as an example. [PDF]
Sci RepLu Y, Yan Y, Wang M, Zhou L.
europepmc +1 more source
Study on the Law of Multi‐Fracture Propagation in Different Fracturing Fluid Viscosity
Energy Science &Engineering, EarlyView.Samples and equipment Sample preparation Test equipment Analysis of test results Fracture propagation morphology Influence of fracturing fluid viscosity on crack initiation time/(fracture initiation pressure) Evolution law of injection pressure Cumulative relation curve of pressure–time–acoustic ABSTRACT Using the TCHFSM‐I large‐scale accurate triaxial
Zhixing Zhang +4 more
wiley +1 more source
Deformation law of overlying rock strata during the initial mining period of a coal mining face: mechanical analysis. [PDF]
Sci RepChuantian L +5 more
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Research on Precise Identification of Rock Strength Based on Bolt Drilling Parameters
Energy Science &Engineering, EarlyView.Drilling detection test platform. ABSTRACT During roadway excavation, the presence of weak interlayers and fractured rock masses significantly affects roof stability. To achieve timely and effective roadway support, it is crucial to identify and predict different rock types based on drilling signals from roof bolters.
Qiang Zhu +4 more
wiley +1 more source
NORTH DAKOTA LIGNITE ENERGY INDUSTRY'S CONTRIBUTION TO THE STATE ECONOMY FOR 2003 AND PROJECTED FOR 2004 [PDF]
This report provides estimates of the lignite industry's contribution to the North Dakota economy, using key economic indicators such as retail trade activity, personal income, total business activity, employment, and tax revenues.
Coon, Randal C., Leistritz, F. Larry
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Characteristics of overburden failure and evolution of fractures in fully mechanized top coal mining face. [PDF]
Sci RepWang X, Liu F.
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Organic Geochemical Characterization and Exploration Prospects of Hydrocarbon Source Rocks in Nepal
Energy Science &Engineering, EarlyView.It provides a more detailed introduction to the current situation of oil and gas exploration in Nepal, as well as the properties and distribution characteristics of source rocks. ABSTRACT This study aims to evaluate the hydrocarbon generation potential and exploration prospects of hydrocarbon source rocks in the Dailekh to Dang–Tansen area of Nepal ...
Guoqiang Zhang +4 more
wiley +1 more source
Research of Image Contour Extraction Method of Coal Mining Image Based on OTSU [PDF]
, 2013 Daihong Jiang, Gang Hua
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Coal mining as a risk factor for tuberculosis - Commodity or circumstance? [PDF]
S Afr J Infect DisSingh N, Irusen EM.
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