Results 71 to 80 of about 3,166,101 (180)

Quantifying Thermal Spatiotemporal Signatures and Identifying Hidden Mining-Induced Fissures with Various Burial Depths via UAV Infrared Thermometry

open access: yesRemote Sensing
Hidden mining-induced fissures connected to a goaf may induce spontaneous combustion of abandoned coal, threatening safe coal mining operation and ecological and environmental protection. To identify hidden mining-induced fissures rapidly, accurately and
Duo Xu   +4 more
doaj   +1 more source

Design of control system for mine inspection device based on laser SLAM

open access: yesMeikuang Anquan
In order to realize the unmanned mining of the fully mechanized mining face in the coal mine, instead of the staff to explore and monitor the dangerous mining environment, we designed a control system for a mining inspection device based on laser SLAM ...
Hesong HUANG   +4 more
doaj   +1 more source

Bardo Coal Mining Company, Blue Diamond Coal Company, Wallins Creek Coal Company [PDF]

open access: yes, 1940
The scrips from the Bardo Coal Mining Company have values of 5¢, 10¢, and $1. The scrips from the Blue Diamond Coal Company have values of 5¢ and $1.
Wallins Creek Coal Company   +2 more
core  

Detection of change in the coal thickness of a fully mechanized mining face based on electromagnetic wave penetration

open access: yes, 2023
A fully mechanized mining face tend to show great change in coal thickness, which affects the safe, efficient coal mining. Therefore, it is necessary to detect the change in the coal thickness before stoping. To determine the response of electromagnetic (
Yulin, XIAO, Xiang, LI, Rongxin, WU
core   +1 more source

Application status and development thinking of intelligent mining technology and equipment in coal mines in China

open access: yesMeitan kexue jishu
The intelligent technology of coal mines is the core technical support for the high-quality development of the coal industry, and the intelligent mining technology and coal machine equipment of coal mines are the key to the intelligent construction of ...
Zhi YUAN, Qingyou JIANG, Zhenzhong PANG
doaj   +1 more source

Research on key technology and engineering application of emulsion pump in super-high mining face

open access: yesMeitan kexue jishu
With the continuous development and progress of intelligent unmanned mining technology in coal mines, more and more intelligent unmanned fully-mechanized mining faces with large mining heights and super mining heights have been built and put into ...
Ran LI   +9 more
doaj   +1 more source

Mining-Induced Deformation and Slope Stability in Steep Mountainous Areas Based on InSAR Monitoring and Rock Movement Theory: A Case Study from Southwestern China

open access: yesRemote Sensing
Geological disasters are frequently triggered in steep mountainous mining areas due to the coupling effects of underground excavation and slope stability, yet the applicability of traditional rock movement theories in such terrains remains unclear.
Xiaoqiang Chen   +7 more
doaj   +1 more source

Navigation and control of continuous mining systems for coal mining. [PDF]

open access: yes
"The primary focus of the U.S. Bureau of Mines (USBM) is to make mining safer and more healthful for mine workers. The USBM research program is developing technology that will allow computer-assisted operation of mechanized equipment normally used in ...

core  

Coal Mining, Environment and Contemporary Indian Society [PDF]

open access: yes, 2013
Mining activity creates tremendous pressure on local flora and fauna particularly where diversion of forest land takes place for mining purposes The effect of mining on ground water level silting of surrounding water bodies and land are also great ...
Dr. Sribas Goswami
core  

Moving Refrigeration and Cooling Technology for Coal Mining Face at the First Level Heat Damage Area

open access: yes, 2020
Aiming at the thermal hazards of mining face in Mengcun Coal Mine, a movable air chilled refrigeration system for coal mining face is studied based on the mine water supply and drainage system to reject heat. According to the present situation of thermal
LI Wenfu, SONG Zhanhong, ZHANG Hongwei, WU Fengliang
core   +1 more source

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