Results 11 to 20 of about 815,128 (154)

Original experimental platform system and application of underground coal mine reservoirs [PDF]

open access: yesMeitan xuebao
Coal is the main energy source in China, and the western region in China is the main coal production area. The protection and utilization of coal mine water is the major technical challenge in the coal mining. The coal green mining research team of China
Dazhao GU   +12 more
doaj   +2 more sources

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

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   +2 more sources

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   +2 more sources

Design of panoramic image acquisition system in coal mine underground

open access: yesGong-kuang zidonghua, 2018
For problems of large size of existing panoramic image acquisition devices which did not apply to coal mine underground and collected image with uneven illumination caused by pointolite in the devices, a panoramic image acquisition system in coal mine ...
YIN Dafa
doaj   +2 more sources

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

Innovative Approach for Heating of Buildings Using Water from a Flooded Coal Mine Through an Open Loop Based Single Shaft GSHP System [PDF]

open access: yes, 2015
Geothermal energy, deep and shallow, has always been identified as an important renewable energy resource. The stable temperature and relatively low enthalpy of mine water contained in the abandoned and flooded coal mines have the potential to form a ...
Athresh, Anup P.   +5 more
core   +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

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

Design of Explosion Proof Video Monitoring and Control System of Coal Mine Underground

open access: yesGong-kuang zidonghua, 2010
The paper introduced development of explosion proof video monitoring and control system of coal mine underground and analyzed existing problems of explosion proof video monitoring and control system of coal mine underground.It also designed a new ...
GONG Gui-jia~   +2 more
doaj   +1 more source

High Prevalence of Respiratory Symptoms Among Workers in the Development Section of a Manually Operated Coal Mine in a Developing Country: A Cross Sectional Study. [PDF]

open access: yes, 2007
Few studies of miners have been carried out in African countries; most are from South Africa, where the working conditions are assumed to be better than in the rest of Africa.
Mamuya, Simon H D   +9 more
core   +1 more source

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