WEBFeb 26, 2024 · The Xinjiang coalfield fire area ranks No. 1 in the world in terms of its area, and it has been burning for nearly a thousand years. According to the results of the fifth coalfield fire area ...
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WEBNov 16, 2020 · The rapid development of industry and agriculture has made soil heavy metal pollution a serious threat to the environment, food safety and health (Zhao et al. 2019). Such pollution not only degr... Use of hyperspectral imagery to detect affected vegetation and heavy metal polluted areas: a coal mining area, China: Geocarto .
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WEBJun 3, 2021 · A precise estimation of the heavy metal concentrations in soils using multispectral remote sensing technology is challenging. Herein, Landsat8 imagery, a digital elevation model, and geochemical ...
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WEBDec 7, 2023 · Sustainable agricultural practices help to manage and use natural resources efficiently. Due to global climate and geospatial land design, soil texture, soil–water content (SWC), and other parameters vary greatly; thus, real time, robust, and accurate soil analytical measurements are difficult to be developed. Conventional statistical analysis .
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WEBDec 4, 2023 · Kutateladze Institute of Thermophysics, 630090 Novosibirsk, Russia * Corresponding author: e_butakov Abstract. The development of machine learning algorithms based on semiindustrial thermal benches will approach the development of an automated system capable of detecting and tweaking energyefficient and .
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WEBMay 15, 2020 · apply machine learning to the extraction of surface cracks in mining areas is a key requirement. T o solve the problems mentioned above, this article provides a method for detecting surface
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WEBJan 17, 2024 · The intrinsic mechanism and impact process of how coal gasifiion coarse slag (CGCS) amends the physicochemical properties of a specific soil based on its properties are not yet clear. The study explored the properties of CGCS that can be used for soil amendment by evaluating the properties of topsoil and CGCS. Different CGCS .
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WEBJul 17, 2022 · The surface coal mining land classes cover smaller areas compared to midresolution satellite images making them challenging to detect. Coal quarry and coal dump regions are such kinds of smaller ...
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WEBFeb 1, 2018 · To address this challenge, this study proposes a hybrid approach, namely, Light Gradient Boosting Machine plus Ordinary Kriging (LGBK), for predicting the spatial distribution of soil heavy metals. A total of 137 soil samples were collected from the Shengli Coalmine Base in Inner Mongolia, China, and their heavy metal concentrations .
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WEBRadiocarbon dating helped verify the authenticity of the Dead Sea scrolls.. Radiocarbon dating (also referred to as carbon dating or carbon14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon.. The method was developed in the late 1940s at the .
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WEBOct 1, 2019 · Other researchers [83] [84][85][86][87] used ML models to segment coal types (classified by different fixed carbon content in coal) [83], geology type (bituminous coal, lignite, sandstone, soil ...
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WEBSep 1, 2020 · This paper presents an exploratory study employing a benchscale approach to detect the multiinformation of coal quality online by machine vision simultaneously, including particle size distribution, density distribution, the ash content of each density fraction, and the total ash content. Firstly, we adopt a FiniteErosionandExactDilation ...
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WEBJan 1, 2013 · Data used to test the proposed approaches are from Huainan Mining Industry Coal Quality database. The samples with high ash as well as the samples with same proximate and ultimate analysis were excluded from the database. A total of 52 set of coal sample analysis were used.
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WEBJan 1, 2016 · Machine Learning in Soil Classifiion and Crop D etection. Ashwini Rao 1 Janhavi U 2 Abhishek Gowda N S 3 Manjunatha 4 Beham A 5. 1,2,3,4,5Department of Information Science and ...
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WEBFound in Bulgaria are some of the oldest gold artifacts known to mankind, in the Varna Necropolis, a collection of graves built between 4700 and 4200 BC. This finding, dating back nearly 7000 years, provides evidence of the first civilization to use gold mining equipment. Some archeologists claim the Sakdrisi site in southern Georgia, which ...
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WEBMar 4, 2024 · Heavy metal pollution in soil is becoming more and more serious. LIBS is one of the most promising technologies for rapid detection of heavy metal contamination in soil. However, due to the wide variety of soils and complex matrices, accurate quantifiion remains a challenge. In total, 451 soil samples were prepared and detected by the .
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WEBDuke University scientists have developed tests sensitive enough to detect and measure microscopic particles of coal ash in soil, even at concentrations so low and sizes so small that other tests ...
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WEBJul 1, 2018 · However, in the process of topcoal caving, manual judgment is still used to control the opening switch of drawing coal, which affects the coal caving efficiency and personnel safety to a certain ...
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WEBJul 9, 2021 · Rapid assessment of heavy metal (HM) pollution in mining areas is urgently required for further remediation. Here, hyperspectral technology was used to predict HM contents of multimedia environments (tailings, surrounding soils and agricultural soils) in a mining area. The correlation between hyperspectral data and HMs was explored, then .
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WEBFeb 1, 2017 · All these techniques detect the leakage of low amounts of chemical constituents in the surrounding area. Due to their high sensitivity, even low concentrations of explosives in the soil could be detected (Habib, 2007). A review of the methods that use chemical vapor sensing in order to detect landmines is given in Yinon (2003).
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WEBSep 13, 2022 · China is the largest producer and consumer of coal in the world. The extraction of coal is increasing intensively to meet the needs of the everincreasing population and industries. However, coal mining has resulted in environmental changes, including deforestation, air, water, soil, and landform deterioration. This study .
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WEBMay 24, 2021 · Hyperspectral imaging is a nondestructive, nonpolluting, and fast technology, which can capture up to several hundred images of different wavelengths and offer relevant spectral signatures. Hyperspectral imaging technology has achieved breakthroughs in the acquisition of agricultural information and the detection of external .
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WEBApr 1, 2024 · Deep learning, a machine learning algorithm based on artificial neural networks, ... Yan Pengcheng et al. used multispectral technology to collect spectral images of coal gangue, used YOLOv5 to detect coal gangue, and loed coal gangue through the builtin positioning function [18].
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WEBSep 20, 2022 · Buried landmines can be detected using a variety of methods. The common landmine detection techniques are as follows: Biological. The ability to directly sense explosive substances depends upon the biological sensors or biosensors like dogs, certain rodents, sweet bees, plant kinds, and some bacteria types [].The livestock employed .
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WEBCoal mining Underground, Surface, Drilling: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal .
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WEBNov 6, 2023 · Laixin Clean Coal Company uses a spiral sorting machine to sort + mm fine coal ore, which can effectively improve the sorting accuracy of heavy medium coal selection and reduce production costs (Wang and Wei Citation 2006). A coal preparation plant in Shanxi used a twostage spiral separator to separate the flotation tailings of No. .
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WEBFeb 1, 2018 · Remote sensing of heavy metal contamination of soils has been widely studied. These studies concentrate heavily on the hyperspectral reflectance of typical metals in soils and in plants measured either in situ or in the laboratory. The most used wavebands lie within the visiblenear infrared portion of the spectrum, especially the red .
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WEBA project from the University of Maine monitors soil moisture using AI that over time learns to make a sensor network as efficient as possible, creating a lowenergy way to track climate change ...
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