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2021年11月8日 Long-term continuous monitoring of the mining activities in open-pit coal mines is conducive to planning and management of the
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2021年3月1日 The Sungun mine is a large porphyry copper mine with an extraction method of open pit mining (Yari et al., 2013), which causes major impacts on the surface
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2020年9月8日 From the mining polygons we derived global grid data sets with the mining area at 30 arcsecond, 5 arcminute and 30 arcminute spatial resolution (approximately 1 ×
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2022年5月18日 An analysis of four representative years showed that the proportion of NPP induced by human activities reached 56.2%, that the percentage of pixels with an
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2022年7月22日 Mining areas are used for various purposes, including the mine itself (e.g. open cuts where the minerals are extracted), waste dumps (e.g. tailings dams, waste
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2023年10月5日 Large stripping machines with excavating wheels used in surface coal mining are employed in other types of open-pit mines. Water inflow was a very important problem in underground mining until James
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2021年11月30日 For mining activities, the long-term flow of groundwater in the open pit will affect mining operations and increase the cost of ore transportation, while reducing slope
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2021年11月8日 open-pit mines where vegetation is sparse and land cover is dominated by bare rock. The main objective of this study is to monitor the mining activities of four open
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In view of the low extraction accuracy, low efficiency and low degree of automation of remote sensing images of mines by traditional methods, we proposed an open-pit mine extraction model bases on Improved Mask R
خبير الاتصال2017年9月1日 Noise and dust issues are caused by the mining activities and exposure of the open cut pits. Open cut coal mining in New South Wales has resulted in mine pit
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2022年5月18日 The Impact of Human Activities on Net Primary Productivity in a Grassland Open-Pit Mine: The Case Study of the Shengli Mining Area in Inner Mongolia, China May 2022 Land 11(5):743
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2020年4月28日 Radim Škuta , Radmila Ku čerová , Zden ěk Pavelek and Vojtech Dirner : Assessment of mining activities with respect to the environmental protection 82 Environmental issues of deposit exploration, mining and its termination Geological conditions and processes condition the character of the anthroposphere to a great extent, where
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mining activities on PM10 in the village situated in proximity to a coal strip mine. 2. Material and methods 2.1. PM sampling and analysis Measurements were conducted from the 15th to 27th November 2012 on the bottom of coal strip mine at a distance 4.8 km, SE of the mine. At both sites, three aerosol particle size fractions 1.15 – 10 μm,
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2019年7月9日 Mining continues to be a dangerous activity, whether large-scale industrial mining or small-scale artisanal mining. Not only are there accidents, but exposure to dust and toxins, along with stress from the working environment or managerial pressures, give rise to a range of diseases that affect miners. I look at mining and health from various
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2019年1月1日 Open-cast mining is, perhaps, the most aggressive and most directly perceivable type of mining. It drastically transforms the relief; removing large volumes of soil, changing the soil and vegetation cover of the mined area and altering water streams. 32, 33 Fig. 1 shows a copper open-cast mine in Bor (Serbia). Download : Download high-res
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2021年3月1日 The Hambach mine is a large open pit mine located between Düren and Rhine-Erft districts, in the Rhenish coalfields. The mining activity has been started near the town of Niederzier and developed in areas that once belonged to the Hambach forest. Mining activities in this area is predicted to continue until 2040.
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2022年11月27日 Truck-Shovel (TS) systems are the most common mining system currently used in large surface mines. They offer high productivity combined with the flexibility to be rapidly relocated and to adjust load/haul capacity and capital expenditure according to market conditions. As the world moves to decarbonise as part of the
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2023年8月31日 The revenue of the top 40 global mining companies, which represent a vast majority of the whole industry, amounted to some 925 billion U.S. dollars in 2021. The net profit margin of the mining ...
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2011年1月1日 If the environmental impact of the mining (ISRM 2008; Samimi Namin et al. 2011), the ability to close the mine, re-use the landscape and contribute to the community are to become driving factors ...
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2023年7月3日 New Open Pit Mine Development. Remote Visualization. ... CSIS identified at least 12 other locations of mining activities within the area of the mining concession, but all appear to be exploratory and inactive
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2020年2月28日 In this study, geographic information system (GIS)-based methods and applications utilized for mine development were reviewed. Three types of GIS-based studies, namely studies on mine planning,
خبير الاتصال2020年5月5日 activities and some natural factors, excluding rainfall and earthquakes (Non-seismic non-rainfall triggered, NSNR), causing landslides worldwide are from mining (Fig - 1)[3]. They also submitted that all mining techniques either open-pit mines, underground mines or quarries can be capable of
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2021年6月4日 The mine opened in 2013 and is an open-pit mine. Repeated terrorist attacks happened in the region, but they were not related to the mining activities. The Yaramoko Gold Mine is located in the western part of the country, between Ougagadougou (capital) and Bobo-Dioulasso (second largest city).
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2020年9月8日 The first example (Fig. 3a) shows the main open cut of the Carajás iron ore mine complex in the Brazilian Amazon, which is among the world’s largest iron ore mining operations 43. Figure 3b ...
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2021年11月8日 open-pit mines where vegetation is sparse and land cover is dominated by bare rock. The main objective of this study is to monitor the mining activities of four open-pit coal mines in the Wu-caiwan mining area in China from 2018 to 2020, namely No. 1, No. 2 (containing two mining areas), and No. 3.
خبير الاتصالThe mine also threatens upcoming conservation projects such as the $12.5 million Lower Zambezi Flagship Species Restoration project, which received approval from the Ministry of Tourism and Arts in 2018. The project aims to bring back locally extinct species such as the Black Rhino and Eland, thereby restoring biodiversity and improving ...
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Driven by rising affluence and surging demand for minerals for consumer products, infrastructure, and energy transition technologies, global mining activities expanded at an unprecedented pace in the past 20 y (1, 2).Today, mines worldwide extract double the amount of raw materials compared with the year 2000 (3, 4), with the trend expected to
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2022年5月18日 In the grassland open-pit coal mine, mining activities have become the most important human factor affecting NPP in the research area. The data of the annual coal production were collected from the Xilinhot Mining Company and are shown in Figure 2. It can be seen that the mine has been in production since about 2005 and coal production ...
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2017年11月2日 An industrial mining operation in Brazil. Note the forest at the edge of the open pit mine. Photo credit: Norsk Hydro ASA via VisualHunt / CC BY-NC-SA Nearly ten percent of all the ...
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