The Coal Mine Information System (CMIS) is a repository for historical coal mining information in Indiana. It was developed through a cooperative agreement between the …
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عرض المزيدEcological Management and Land Rehabilitation in Mining Areas from the Perspective of Actor-Network Theory—A Case Study of Lizuizi Coal Mine in China November 2022 Land 11(12):2128
عرض المزيدOntological Definition of the CMEM Domain. By collecting and analyzing CMEM data, summarized here are four characteristics of such data: (i) multisource …
عرض المزيدKoyuncugil, A. S., & Ozgulbas, N. (2010). Social Aid fraud detection system and poverty map model suggestion based on data mining for social risk mitigation. In A. S. Koyuncugil, & N. Ozgulbas (Eds.). Surveillance Technologies and Early Warning Systems: Data Mining Applications for Risk Detection (pp. 173-193), New York: Idea Group Inc.
عرض المزيدCoal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity.It is composed mostly of carbon and hydrocarbons, which contain energy that can be released through combustion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel …
عرض المزيدThe Kentucky Surface Mining Information System (SMIS) is an extensive computer database that is used for tracking all permitting and enforcement actions on coal mining activity in the Commonwealth of Kentucky. ... General background information on permitted coal mining operations; Inspection background and frequency; Status of …
عرض المزيدThe overall development of surface coal mining systems can be classified into two different stages. Before 1980, the shovel-train mining system was the major mining technology. During this period, around 10 of the 12 mines used shovel-train as the surface mining system, and only one used shovel truck and the other bucket wheel …
عرض المزيدGeographic information system (GIS) information may facilitate energy studies, which in turn provide input for energy policy decisions. The U.S. Geological Survey (USGS) has compiled geographic information system (GIS) data representing the known coal mine locations and coal-mining areas of China as of 2001.
عرض المزيدThe objective of this study is to propose an innovative and practical method to assess the risk level of coal mine gas and provide help for the prevention and control of …
عرض المزيدEffects of coal mining. Surface mines (sometimes called strip mines) were the source of about 63% of the coal mined in the United States in 2022. These mining operations remove the soil and rock above coal deposits, or seams. The largest surface mines in the United States are in Wyoming's Powder River Basin, where coal deposits …
عرض المزيدIntroduction. Mining industry is the foundation and pillar industry of national economy (Chand et al., 2020; Modak et al., 2017). However, in recent years, listed companies in the mining industry are facing many problems, such as the aggravation of overcapacity, the high level of important mineral inventory, and the serious decline of …
عرض المزيدThis article presents a framework for a mine-wide integrated automation management and control platform with the goal of advancing coal mining through unified data, models, platforms, and plans. Utilizing cutting-edge technologies, the platform offers resource management, real-time monitoring, remote control, statistical analysis, and ...
عرض المزيدOur open database on global coal and metal mine production 12 covers worldwide mining activities of metal ores and coal, on an individual mine level. It …
عرض المزيدAmong all the coal mine accidents, the accidents caused by gas account for a considerable proportion. "The number of gas accidents and the number of deaths account for about 50% of the total number of accidents, and the major accidents are mainly gas accidents." [] Gas drainage is the fundamental measure to reduce the gas emission from …
عرض المزيدThe Coal Authority holds coal mining data in a national database. This provides information on past and present coal mining. The map viewer and the web mapping services are provided free of charge.
عرض المزيدCoal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries, and the industrial growth of that era in turn supported the large-scale exploitation of coal deposits. Since the mid-20th century, coal has yielded …
عرض المزيدThe top-level architecture of 5G+ intelligent coal mine systems combines intelligent applications such as autonomous intelligent mining, human–machine …
عرض المزيدA worldwide dataset of coal mines and proposed projects with asset-level details and interactive mapping. The tracker covers 70 countries, 6,646 mines, and 4,400+ owners, and provides data on production, …
عرض المزيدThe global mining industry is under pressure. In the short term, falling commodity prices are squeezing cash flow. Looking ahead, many existing mines are maturing, resulting in the extraction of lower …
عرض المزيدNCRDS is a cooperative venture between the USGS and State geological agencies that provides data on coal stratigraphy and chemistry. It includes USTRAT, …
عرض المزيدAt present, over 70% of China's coal production is centralized in ecologically fragile regions in western China—a consequence of the depletion of shallow coal resources in the middle east (Fig. 1) [1].The structure of underground aquifers is directly damaged by the intensive mining, with the ratio of groundwater damage to coal mining being …
عرض المزيدSurface mining and underground mining are the two major schools of coal mining. To qualify for surface mining, the coal deposits must be within 50-80 meters of the surface. The job of a miner primarily …
عرض المزيدThe hidden danger is the basic reason which let accidents occur. In coal mine's safety anticipating control management; it takes hidden danger information's recognition, transmission, analysis and control as its foundation. Taking the systems science as the basement and using chaos system principles to analyzing hidden danger information's …
عرض المزيدA coal mine safety system is implemented for this project by using an IP address as a data transmission medium. The device is used to monitor a variety of parameters inside coal mines, including light detection, gas leakage, temperature and humidity levels, and fire detection. This sensor network is known as one large device
عرض المزيدDecarbonisation of mine site power supply has been made easier with improved economics of renewable energy, in particular wind, solar PV and battery systems. However there remain a number of harder-to-abate emissions sources for miners – including switching away from diesel vehicles and equipment.
عرض المزيدThe inclusion criteria: (1) the study was published between January 2000 and June 2020; (2) the participants were coal mining employees/coal mining accidents and accidents were work-related; (3 ...
عرض المزيدBIM, and its essence is Mining Information Model to store all mine-related information [17]. MIM in that context is a "digital expression of the mining resources, mining environment and mining engineering objects and a digital re-engineering of the mine life cycle's business processes to realize information interoperability,
عرض المزيدAlthough many coal mines have built up systems for information management and monitoring safe production, the function of those systems are limited to display and query of the coal mine map (Fang, 2008). Other sensor systems also lack user-friendly and user specific interfaces.
عرض المزيدThe Annual Coal Report (ACR) provides annual data on U.S. coal production, number of mines, productive capacity, recoverable reserves, employment, …
عرض المزيد5. Conclusion Coal mine safety quality standardization management information system has a great significance to improve the coal mine safety management level and the overall level of the mines. 1) Coal mine safety quality standardization management information system has a good partition of modules.
عرض المزيدMining information systems development. January 2001; January 2001; 94(1046):63-66 ... After carrying out a case study in an underground Indian coal mine, having conventional information ...
عرض المزيدMining and Silica Dust Control Systems . Coal mining operations can generate significant amounts of airborne respirable coal dust, the inhalation of which can lead to pneumoconiosis, a disabling and potentially fatal lung disease. In metal, nonmetal, stone, sand, and gravel mining operations, and for select occupations in coal mines, the ...
عرض المزيدAiming at the transportation scheduling problem of unmanned trucks in open-pit mines, an optimization model for transportation scheduling of unmanned trucks in open-pit mines is established, taking the minimum sum of fuel cost, fixed start-up cost, fault maintenance cost and network base station construction and maintenance cost as the …
عرض المزيدLearn about coal resources, quality, reserves, and emissions from the USGS, a federal agency that provides scientific information on energy and minerals. …
عرض المزيدThe software architecture adopts ZigBee protocol stack. The research shows that the proposed ZigBee wireless sensor network based coal mine underground gas monitoring system can help improve the real-time monitoring level and reduce safety risks in the complex and special environment of coal mine underground.
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