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Artykuły w czasopismach na temat "Sub-surface Mining"

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Bogunovic, Dragan, and Vladislav Kecojevic. "Equipment CO2 emission in surface coal mining." International Journal of Mining and Mineral Engineering 1, no. 2 (2009): 172. http://dx.doi.org/10.1504/ijmme.2009.023133.

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Prasetyo, T. B., A. Maulana, M. Harianti, A. L. Lita, and H. Herviyanti. "Study of surface charge and chemical properties of ex-gold mining soil ameliorated with Indonesian sub-bituminous coal." IOP Conference Series: Earth and Environmental Science 1160, no. 1 (2023): 012032. http://dx.doi.org/10.1088/1755-1315/1160/1/012032.

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Abstract Contamination of mercury (Hg) in ex-gold mining soil is the impetus for the development of amelioration technology that utilizes Indonesian sub-bituminous coal to study the soil surface charge and the chemical properties of ex-gold mining soil. This research was aimed to study surface charge and chemical properties of ex-gold mining soil ameliorated with Indonesian sub-bituminous coal. The experimental design used in this study was a Completely Randomized Design with three replications. The treatment was implemented in a pot with the equivalent dose: A = 0 (0.0g); B = 10 (0.5g); C = 2
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Diao, Xinpeng, Quanshuai Sun, Jing Yang, Kan Wu, and Xin Lu. "A Novel Deformation Extraction Approach for Sub-Band InSAR and Its Application in Large-Scale Surface Mining Subsidence Monitoring." Sustainability 15, no. 1 (2022): 354. http://dx.doi.org/10.3390/su15010354.

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Differential synthetic aperture radar interferometry (InSAR) is widely used to monitor ground surface deformation due to its wide coverage and high accuracy. However, the large-scale and rapid deformation that occurs in mining areas often leads to densely spaced interference fringes, thus, severely limiting the applicability of D-InSAR in mining subsidence monitoring. Sub-band InSAR can reduce phase gradients in interferograms by increasing the simulated wavelength, thereby characterising large-scale surface deformations. Nonetheless, accurate registration between non-overlapping sub-band imag
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Shen, Liyu, and Weicai Lv. "Mine Surface Settlement Prediction Based on Optimized VMD and Multi-Model Combination." Processes 11, no. 12 (2023): 3309. http://dx.doi.org/10.3390/pr11123309.

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The accurate prediction of mining area surface deformation is essential to preventing large-scale coal mining-related surface collapse and ensure safety and daily life continuity. Monitoring subsidence in mining areas is challenged by environmental interference, causing data noise. This paper employs the Sparrow Search Algorithm, which integrates Sine Cosine and Cauchy mutation (SCSSA), to optimize variational mode decomposition (VMD) and combine multi-models for prediction. Firstly, SCSSA is employed to adaptively determine the parameters of VMD using envelope entropy as the fitness value. Su
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Shu, D. M., and A. K. Bhattacharyya. "Prediction of sub-surface subsidence movements due to underground coal mining." Geotechnical and Geological Engineering 11, no. 4 (1993): 221–34. http://dx.doi.org/10.1007/bf00466365.

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Marston, Michael Lee, and Korine N. Kolivras. "Identifying Surface Mine Extent Across Central Appalachia Using Time Series Analysis, 1984-2015." International Journal of Applied Geospatial Research 12, no. 1 (2021): 38–52. http://dx.doi.org/10.4018/ijagr.2021010103.

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The Appalachians, and Central Appalachia in particular, have a long history of resource extraction including coal mining. In the past half century, the region experienced a shift from underground to surface mining, which leaves highly visible changes on the landscape. This study presents an analysis of changes in surface mining extents between 1984 and 2015 using remote sensing techniques, and tests the methods of previous research over a broader study area. The authors found that 3070 km2 (7.1%) of land within the central Appalachian coalfield was classified as mined land through the study pe
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Julie, Joseane Murcia Mesa, Geraldine Patiño Castillo Ceidy, Alfonso Rojas Sarmiento Hugo, Antonio Navío Santos José, del Carmen Hidalgo López María, and Angel Botero Alberto. "Photocatalytic treatment based on TiO2 for a coal mining drainage." Revista Facultad de Ingeniería, Universidad de Antioquia, no. 107 (March 1, 2023): 88–101. https://doi.org/10.17533/udea.redin.20211063.

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The aim of the present work was to evaluate the effectiveness of a heterogeneous photocatalyst based on TiO<sub>2</sub> in the treatment of coal mining drainage which contains a variety of heavy metals and high concentration sulfates and sulfides. The photocatalytic behavior of the commercial reference Sigma Aldrich and the different materials synthesized using the Sol-gel methodology with surface modifications using sulfation and fluorination processes were analyzed. To find a possible correlation between the physicochemical properties of photocatalysts and their behavior, a characterization
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DeVore, Cherie L., Lucia Rodriguez-Freire, Abdul Mehdi-Ali, et al. "Effect of bicarbonate and phosphate on arsenic release from mining-impacted sediments in the Cheyenne River watershed, South Dakota, USA." Environmental Science: Processes & Impacts 21, no. 3 (2019): 456–68. http://dx.doi.org/10.1039/c8em00461g.

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We investigated the effect of competing environmentally relevant anions (PO<sub>4</sub><sup>3−</sup>,HCO<sub>3</sub><sup>−</sup>) on the release of As from solids (WW, DR) collected from the Cheyenne River watershed exposed to surface oxidizing conditions.
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Wahyullah, Wahyullah, Hendrayanto Hendrayanto, and Yuli Suharnoto. "Simulation of the impact of land use change on surface run-off in Karst Leang Lonrong Sub-Watershed." Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) 13, no. 2 (2023): 313–26. http://dx.doi.org/10.29244/jpsl.13.2.313-326.

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Estimation of surface run-off in karst watersheds has not been widely carried out and the estimation method is generally developed for non-karst watersheds. This study aims to analyze the accuracy of estimation of river discharge at the outlet of the Karst Biringere Sub-watershed using the modified Soil Conservation Service Curve Number (SCS-CN) method and analyzed the impact of land use change on river discharge at the outlet of the Karst Biringere Sub-watershed. Modification of the SCS-CN method in estimating direct flow at the outlet of the Beringere Sub-watershed is influenced by the simil
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Khrais, Samir K., Tamer Elia Yared, Noor Majid Saifan, Tarek H. Al-Hawari, and Fikri Dweiri. "Occupational Safety Assessment for Surface Mine Systems: The Case in Jordan." Safety 10, no. 2 (2024): 40. http://dx.doi.org/10.3390/safety10020040.

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Surface mining is one of the hazardous industries that have several risky operations, including transportation, treatment, and mineral extraction. To avoid the risk of disaster, it is important to evaluate safety procedures and determine expected hazards. The aim of this study is to develop a thorough safety evaluation model for the surface mining industry based on the analytic hierarchy process (AHP), one important multi-criteria decision-making approach. A total of 11 criteria and 36 sub-criteria that are both independent and homogeneous were involved in the decision problem. Further, a deep
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Rozprawy doktorskie na temat "Sub-surface Mining"

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Gaskell, P. "A study of sub-surface strata movement associated with longwall mining." Thesis, University of Nottingham, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328365.

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Książki na temat "Sub-surface Mining"

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Hale, M. Geochemical Remote Sensing of the Sub-Surface. Elsevier Science & Technology Books, 2000.

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Geochemical Remote Sensing of the Sub-Surface. Elsevier Science Ltd, 2000.

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Części książek na temat "Sub-surface Mining"

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Ray, Susnata, Archana Deodhar, Md Arzoo Ansari, and Sharadindra Chakrabarti. "ISOTOPE HYDROCHEMISTRY AS ENVIRONMENTAL HEALTH FINGERPRINTS OF POLLUTION IN MINING-METALLURGICAL COMPLEX OF SUBARNAREKHA BASIN, GHATSHILA, JHARKHAND, INDIA." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 20. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs20p1ch9.

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The Singhbhum region of Jharkhand is a geologically significant mineralized zone having long history of mining and beneficiation of strategic minerals namely copper and uranium [1]. Back then, the mining and mineral processing wastes have grossly polluted the water courses in associated Subarnarekha basin. The understanding of recharge mechanism and hydrogeological dynamics of this mining-smelter affected watershed is important for protection and sustainable water management system. Subsurface water primarily exists in unconfined and confined conditions and moves slowly through hydraulically s
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Streszczenia konferencji na temat "Sub-surface Mining"

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Saiwan, Chintana. "TORQUE AND DRAG ANALYSIS FOR WELL PLANNING THROUGH THREE-DIMENSIONAL SUB-SURFACE BASIN." In 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b11/s6.102.

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van Eijs, R., W. Zijl, and F. Voncken. "Finite element modelling of subsidence caused by sub-surface mining - Parameter up-scaling, anisotropy and robustness." In 58th EAEG Meeting. EAGE Publications BV, 1996. http://dx.doi.org/10.3997/2214-4609.201408873.

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Smith, Noel. "Application of ground penetrating radar to identify the locations of sub-surface anomalies at Kansanshi Mine, Zambia." In 2013 International Symposium on Slope Stability in Open Pit Mining and Civil Engineering. Australian Centre for Geomechanics, Perth, 2013. http://dx.doi.org/10.36487/acg_rep/1308_56_smith.

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Sarkar, Mridul K., Neil Bose, Shuhong Chai, and Kim Dowling. "Conceptual Design of a Submersible Remotely Operated Swimming Dredger (SROSD)." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49868.

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Increasing use of deep-water dredging and mining vehicles has been anticipated for resource collection, engineering construction and environmental protection. Existing deep-dredging or mining equipment can be classified as i) diver-assisted dredging tools, ii) surface-floating dredgers with deep-dredging capability and iii) submersible dredgers. Diver assisted dredging tools have limited capacity and involve human risk. Surface floating dredgers can work to a specific dredging depth controlled by their ladder length, but modification is limited by their large size and significant cost. Submers
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Yao, M., and D. Landry. "Seismic Risk Management Practices at Vale's Sudbury Operations." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0616.

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ABSTRACT: Vale Base Metals has been operating many underground mines in the Sudbury Basin for over a century and all mines have experienced a significant increase in the number of major seismic events over the last decade. Various mitigation strategies have been developed at Vale's North Atlantic Operations in Ontario to manage and control the risks associated with seismicity and rockbursts. The mines have seen a significant increase in the number of large seismic events, but the overall trend of rockbursts is decreasing. This paper will focus on Seismic Risk Management Strategies developed ov
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Fu, Wei, Jason Furtney, and Jorge Valencia. "Blast Movement Simulation Through a Hybrid Approach of Continuum, Discontinuum, and Machine Learning Modeling." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0831.

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ABSTRACT Estimating and optimizing rock movement during blasting is important to prevent unnecessary material handling, reduce ore loss and dilution, and minimize environmental footprint. It has been challenging and computationally burdensome to model the whole dynamic process because rock blasting consists of a complex process that generally involves explosive detonation, gas expansion, stress wave propagation, rock fragmentation and throw, and muckpile formation. In this regard, we propose a hybrid approach that captures the first-order impacts on the rock movement due to blasting while achi
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Carretero, J. A., M. A. Nahon, and O. Ma. "Using Genetic Algorithms With Niche Formation to Solve the Minimum Distance Problem Among Concave Objects." In ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/detc2002/dac-34105.

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In this paper an optimization approach is used to solve the problem of finding the minimum distance between concave objects, without the need for partitioning the objects into convex sub-objects. Since the optimization problem is not unimodal (i.e., has more than one local minimum point), a global optimization technique, namely a Genetic Algorithm, is used to solve the concave problem. In order to reduce the computational expense of evaluating the constraints at runtime, the objects’ geometry is replaced by a set of points on the surface of the body. This reduces the problem to a combinatorial
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DuPont, Bryony L., Jonathan Cagan, and Patrick Moriarty. "Optimization of Wind Farm Layout and Wind Turbine Geometry Using a Multi-Level Extended Pattern Search Algorithm That Accounts for Variation in Wind Shear Profile Shape." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70290.

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This paper presents a multi-level Extended Pattern Search algorithm (EPS) to optimize both the local positioning and geometry of wind turbines on a wind farm. Additionally, this work begins to draw attention to the effects of atmospheric stability on wind farm power development. The wind farm layout optimization problem involves optimizing the local position and size of wind turbines such that the aerodynamic effects of upstream turbines are reduced, thereby increasing the effective wind speed at each turbine, allowing it to develop more power. The extended pattern search, employed within a mu
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