Results 71 to 80 of about 525 (170)

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

open access: yesGong-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   +3 more
doaj   +1 more source

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

open access: yesMeitan 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   +9 more
doaj   +1 more source

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

open access: yesJixie 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   +5 more
doaj  

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

open access: yesIEEE 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   +3 more
doaj   +1 more source

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

open access: yesJixie 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   +5 more
doaj  

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