Results 21 to 30 of about 79,646 (225)

Carbon copy: The mock bureaucratic setting of colliery explosions in early Twentieth Century Britain and at Pike River, New Zealand [PDF]

open access: yes, 2018
By juxtaposing fatal colliery explosions in early twentieth century Britain and in 2010 at Pike River, New Zealand, this paper investigates the generalizability of the mock bureaucracy concept to underground coal mining disasters.
Reveley, James, Singleton, John
core   +1 more source

Impact of mining activities in the Upper Silesian Coal Basin on surface water and possibilities of its reduction [PDF]

open access: yes, 2015
Due to the deposits of quality hard coal, the area of the Upper Silesian Coal Basin (USCB) has been one of the most industrialised regions in Europe for centuries.
Adamczyk, Zdzisław   +3 more
core   +2 more sources

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

Innovative aspects of underground coal gasification technology in mine conditions [PDF]

open access: yes, 2018
Purpose. Development of innovative approaches in technological and technical solutions improvement for coal seam gasification. Methods. Carrying-out of native and world experience in the coal reserves development by underground gasification technology ...
Dychkovskyi, R   +4 more
core   +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

Near-Surface Interface Detection for Coal Mining Applications Using Bispectral Features and GPR [PDF]

open access: yes, 2005
The use of ground penetrating radar (GPR) for detecting the presence of near-surface interfaces is a scenario of special interest to the underground coal mining industry.
A. Merwe van der   +30 more
core   +3 more sources

Methane Content Estimation in DuongHuy Coal Mine

open access: yesE3S Web of Conferences, 2018
Methane hazard has always been considered for underground coal mining as it can lead to methane explosion. In Quang Ninh province, several coal mines such as Mạo Khe coal mine, Khe Cham coal mine, especially Duong Huy mine that have high methane content.
Nguyen Van Thinh   +3 more
doaj   +1 more source

Energy Efficiency and Economic Aspects of Mining Wastes Utilization within the Closed Cycle of Underground Gas Generator [PDF]

open access: yes, 2017
Energy efficiency of coal gasification with possible utilization of mining wastes within ecologically closed gas generator cycle has been considered.
CABANA, Edgar Cáceres   +3 more
core   +1 more source

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