Results 11 to 20 of about 7,051 (257)

Compilation principle and key points interpretation of Coal Mine Fire Prevention and Control Rules

open access: yesMeikuang Anquan, 2022
Coal Mine Fire Prevention and Control Rules is the first comprehensive normative document on coal mine fire prevention and control in China, which requires that coal mine fire prevention and control work should follow the principle of “prevention first ...
LIANG Yuntao   +4 more
doaj   +1 more source

Current status and development trend of intelligent technology of underground coal mine transportation system

open access: yesGong-kuang zidonghua, 2022
The underground coal mine transportation system can be divided into the main transportation system and the auxiliary transportation system according to the different transportation objects.
CHEN Xiaojing
doaj   +1 more source

Application of Wi-Fi 6 Technology in Coal Mine

open access: yesMeikuang Anquan, 2020
The wireless network coverage scheme of Wi-Fi 6 in underground coal mine is designed to solve the problem that 5G communication cannot achieve the whole mine signal coverage in underground coal mine.
ZHANG Jinhao, CHEN Min
doaj   +1 more source

Development of Intelligent Technologies and Machinery for Coal Mining in China's Underground Coal Mines

open access: yesStrategic Study of CAE, 2023
the carbon peaking and carbon neutralization goals and the wave of intelligent coal mine construction, China’s coal machinery industry will transform and upgrade toward intelligence, green, safety, and efficiency. Opportunities and challenges coexist in the coal machinery market, and development of intelligent technologies and machinery for coal mining
Ge Shirong   +6 more
openaire   +2 more sources

Management System for Precise Location Map of Underground Personnel Based on 3D GIS

open access: yesMeikuang Anquan, 2020
Aiming at the problems that the spatial performance of underground tunnels in two-dimensional GIS simulation maps of coal mine underground positioning systems is not intuitive and the location of personnel is inaccurate, based on the monitoring data of ...
HONG Yuling
doaj   +1 more source

APPLING HIGH WATER PRESSURES EJECTOR SYSTEM TO CONTROL DUST IN QUANG NINH UNDERGROUND COAL MINE [PDF]

open access: yesSustainable Extraction and Processing of Raw Materials Journal, 2023
In recent years, in Quang Ninh coal underground mine, longwall mining has been increasingly applied to meet the energy demand. This has resulted in the potential for increased mining dust.
Phuong Thao Dang, Van Thao Le
doaj   +1 more source

Research on personnel re-recognition method in coal mine underground based on improved metric learning

open access: yesGong-kuang zidonghua, 2023
In the traditional personnel re-recognition method in coal mine underground based on metric learning, because metric learning ignores the absolute distance between positive and negative samples, the gradient of the loss function disappears or disperses ...
ZHANG Liya, WANG Yu, HAO Bonan
doaj   +1 more source

Lidar based map construction fusion method for underground coal mine shaft bottom

open access: yesMeitan kexue jishu, 2023
Intellectualization of coal mine is the technical support for high-quality development of coal industry, and robot replacement of key posts is the development trend of realizing efficient mining of coal with few people and no people.
Guanghui XUE   +4 more
doaj   +1 more source

Coal mine intelligence and mine-used 5G

open access: yesGong-kuang zidonghua, 2020
Aiming at characteristics of electrical explosion-proof and large wireless transmission attenuation in underground coal mine, 5G technology and its application scope were analyzed.Mine-used 5G should adopt intrinsically safe explosion-proof. Mine-used 5G
SUN Jiping
doaj   +1 more source

Probe on 5G architecture applied in coal mine underground

open access: yesGong-kuang zidonghua, 2020
Through comparing and analyzing network deployment of 5G non-standalone (NSA) and standalone (SA) as well as their advantages and disadvantages, and combining with current status of 4G 'one network one base-station' generally applied in coal mine ...
MENG Qingyong
doaj   +1 more source

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