Results 61 to 70 of about 475 (132)

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

Research on Gangue Detection Algorithm Based on Cross-Scale Feature Fusion and Dynamic Pruning

Algorithms
The intelligent identification of coal gangue on industrial conveyor belts is a crucial technology for the precise sorting of coal gangue. To address the issues in coal gangue detection algorithms, such as high false negative rates, complex network ...
Haojie Wang, Pingqing Fan, Xipei Ma, Yansong Wang   +3 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

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

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  

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

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

Temperature-Controlled Synthesis of Na A Zeolite from High-Alumina Coal Gangue: Mechanism and Optimization. [PDF]

ACS Omega
Yang Z, Zhao Z, Fang C, Han X, Wang J, Xin X, Li Y, Wang K, Tang W.   +8 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