Results 61 to 70 of about 481 (133)

Electromagnetic wave field response characteristics and precise identification methods of extra-thick top coal with intercalated gangue

Meitan xuebao
In the fully mechanized caving mining of extra-thick coal seams, grasping the variation law of top coal thickness with intercalated gangue in advance is crucial for accurate and efficient coal drawing at the working face.
Kesong FAN, Yaoyu ZHANG, Yuntao LIANG, Shaowei LIU, Deyin HE, Hongliang QIAN, Mingli DONG   +6 more
doaj   +1 more source

Study on emissivity measurement of different types of coal and gangue using the matching method

Gong-kuang zidonghua
The type, surface texture, metamorphic degree, and developmental stage of coal and gangue significantly influence their emissivity. Accurate settings for emissivity parameters are essential for infrared temperature measurements and the identification of ...
ZHANG Jinwang, HE Geng, HAN Xing, ZHANG Jiaming   +3 more
doaj   +1 more source

Numerical and test study on dynamic characteristics of the tail beam of top coal caving hydraulic supports

Jixie qiangdu
In order to determine the sensitive vibration characteristic parameters of coal and gangue in the process of top coal caving and improve the intelligent identification accuracy of coal and gangue, the dynamic characteristics of the tail beam of the ...
WU Mingke, YANG Shanguo, WANG Yao, MENG Bin, YANG Zheng, LIU Houguang   +5 more
doaj  

High-precision coal gangue recognition method in multi-stage coal transportation with complex backgrounds underground

Meitan kexue jishu
Intelligent coal gangue sorting is one of the key technologies for advancing intelligent and green coal mining. Accurate identification of coal gangue is a prerequisite for intelligent sorting, and overcoming the challenges posed by complex underground ...
Hengxuan LUAN, Le AN, Ying TIAN, Jieying GU, Qiang ZHANG, Hongwei CHEN, Xiang FU, Chengjun HU, Zhifang CUI, Rui CHEN   +9 more
doaj   +1 more source

Monitoring Burning Coal Gangue Dump Based on the 3-D Thermal Infrared Model

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Coal gangue is the byproduct of coal mining and preparation. Due to its susceptibility to spontaneous combustion, it causes significant environmental hazards when piled up in open dumps. The fire not only harms the environment but also poses health risks
Zhenlu Shao, Tong Yang, Rong Deng, Hongwen Shao   +3 more
doaj   +1 more source

Theory and key technologies for intelligent fully-mechanized top-coal caving faces of annual production of millions of tons

Meitan kexue jishu
The research focused on addressing various challenges in intelligent top caving theory, intelligent perception and recognition key technology, intelligent caving comprehensive decision-making technology, and remote caving intelligent control technology ...
Bin YU, Yang TAI, Gang XU, Yong LI, Dongyin LI, Shibo WANG, Tiejun KUANG, Ercun MENG   +7 more
doaj   +1 more source

RRBM-YOLO: Research on Efficient and Lightweight Convolutional Neural Networks for Underground Coal Gangue Identification. [PDF]

Sensors (Basel)
Wang Y, Kou Z, Han C, Qin Y.
europepmc   +1 more source

Research on Coal Gangue Image Recognition Method Based on EMAM-YOLO. [PDF]

ACS Omega
Jia Y, Li B, Du Y, Zheng W, Li Y, Wu S.
europepmc   +1 more source

Valorization of coal gangue as a sustainable supplementary cementitious material for immersed tube tunnel construction: equivalent strength performance in LC³ systems. [PDF]

Sci Rep
Li H, Liu H, Kong L, Liu X, Wang Z, Zhang Y, Zhang J, Wang L.   +7 more
europepmc   +1 more source

Research on optimal arrangement strategy of top coal caving support sensors based on vibration characteristics of coal and gangue

Jixie qiangdu
Aiming at the research on intelligent identification of caving coal and gangue, in order to provide a complete and effective vibration signal acquisition scheme of coal and gangue, an optimal layout strategy of tail beam sensors of caving coal hydraulic ...
WANG Yao, YANG Shanguo, WU Mingke, MENG Bin, YANG Zheng, LIU Houguang   +5 more
doaj