Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 171 for “"Mining operations"”.
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Economic consequences of hole deviations in mining operations
In hard rock mining, drilling and blasting still remain the main method of fragmenting rock. In mining methods involving the use of long holes, extra costs are incurred as a result of consequences associated with hole deviations.The consequences include build-ups, hang-ups and poor rock …
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Economic consequences of hole deviations in mining operations
In hard rock mining, drilling and blasting still remain the main method of fragmenting rock. In mining methods involving the use of long holes, extra costs are incurred as a result of consequences associated with hole deviations.The consequences include build-ups, hang-ups and poor rock …
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Economic analysis of small-scale gold mining operations, An
Includes bibliographical references.
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Stochastic availability analysis and modeling of longwall mining operations
… and prediction of the availability of longwall mining systems. After a functional analysis of longwall mining operations, the longwall production system is divided into four subsystems: coal—cutting, face—conveying, roof—support, and outby—haulage. The operating characteristics of the longwall …
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COMMUNITY RESISTANCE TO CANADIAN TRANSNATIONAL MINING OPERATIONS IN LATIN AMERICA
The practices of Canadian mining companies operating in Latin America, and the Canadian government’s role in supporting these practices, have been duly criticized for the blatant social, environmental, and economic injustices created and perpetuated by transnational mining. The violation of human …
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Metal and Metalloid Contaminants in Atmospheric Aerosols from Mining Operations
Mining operations, including crushing, grinding, smelting, refining, and tailings management, are a significant source of airborne metal and metalloid contaminants such as As, Pb, Cd and other potentially toxic elements. Dust particles emitted from mining operations can accumulate in surrounding …
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An Improved Model for Prediction of PM10 from Surface Mining Operations
… required for the construction of all new surface mining operations. An air quality permit requires a surface mining operation to estimate the type and amount of pollutants the facility will produce. During surface mining the most common pollutant is particulate matter having an aerodynamic …
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Management of environmental risks arising from mining operations in Kitwe and Mufulira
Mining as an extractive industry has both positive and negative impacts. The positive impacts include economic growth and job creation whereas the negative impacts are environmental degradation and human health risks. On this premise this study was carried out in order: To i) identify risks posed …
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A comparative analysis of the meaning of 'mining operations' for income tax purposes
The South African ("SA") mining industry played (and continues to play) a pivotal role in the development of the SA economy. It is therefore no surprise that the industry has long been the beneficiary of favourable tax concessions. One of these favourable tax concessions is the 100% capital …
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Site Selection, Vendor Evaluation, and Deployment of Nuclear Microreactors in Remote Mining Operations
… for deploying nuclear microreactors in remote mining areas to facilitate decarbonization efforts. The methodology involves utilizing data gathered through various internal sources and employing software tools such as HOMER Pro Grid Optimization software and Python for analysis. The framework …
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A Comparison of Feedforward versus Feedback Interventions for Safety Self-Management in Mining Operations
… to increase safety-related work practices in mining operations. A total of 15 male miners participated in the study while engaging in their normal work practices at the Virginia Tech Quarry, located in Blacksburg, Virginia. The study had two groups, Feedforward (n=8)--participants …
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Energy efficiency and carbon dioxide emissions across different scales of iron ore mining operations in Western Australia
… last two decades, Western Australian iron ore mining industry experienced an exponential production growth arising from increased global demand for steel. The upturn in the iron ore price and considerably lower production cost encouraged extensive mining and consequently high-grade ore reserves …
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The Experiences of Community Members living in Rural Communities Impacted by Mining Operations: The Case of Silver City, Nevada
… members in Silver City, Nevada impacted by mining activities through a community development framework. The study included qualitative data collected through semi-structured interviews with nine Silver City residents and seeks to examine their experiences with health impacts related to …
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Three essays on the efficiency of the environmental compliance process for pre-mining operations on U.S. Forest Service lands
Includes bibliographical references (pages 131-135).
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Sulfate removal from water produced during CO2 enhanced oil recovery, coal-bed methane recovery, and mining operations using anion exchange resins
… recovery (EOR), coal-bed methane recovery, and mining operations. Electric utilities, including coal-fired power plants, are the second largest users of freshwater in the United States. Produced water from EOR is variable in composition; it is dominated by high total dissolved solids composed …
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Apparent Stress Estimates of Seismic Events Associated with Underground Mining Operations in Sedimentary Rock Units: Implications for Improving Underground Roof Collapse Warning Systems
… of seismic events induced by underground mining operations at the Moonee Colliery, located in Australia, and at the Springfield Pike Limestone Quarry, located in the United States. The data were recorded underground in the vicinity of active mining operations and were initially used by the …
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Investigation of factors governing the stability of stope panels in hard rock mines in order to define a suitable design methodology for shallow mining operations
… for optimum safety and production in shallow mining operations. Using the proposed design methodology, rock mechanics practitioners and mine planners should be able to identify and quantify the critical factors influencing the stability of stope panels. The critical factors should then be used …
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Analyses of coal extraction and spoil handling techniques in mountainous areas
Surface mining of multiple seams by mountaintop mining methodology is complex in the Appalachian region of West Virginia. Mining operations in these mountainous areas can be considered as customized forms of surface mining techniques. The customization of the mining methods is greatly dominated by …
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Development of a brine treatment protocol using Eutectic Freeze Crystallization
… inorganic brines are generated from many global mining operations and the volume of these brines is increasing at an exponential rate. The environment and water resources in the vicinity of these mining operations are at a risk of being polluted as a result of this increase in brine volume. These …
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