Results 111 to 120 of about 46,400 (239)

Characteristics of heat production and key structure evolution in the initial stage of coal spontaneous combustion

Meitan xuebao
The heat production during the initial stage of coal spontaneous combustion is the root cause of coal spontaneous ignition and serves as the most direct indicator for assessing the risk of coal spontaneous combustion.
Hao LIU, Zenghua LI, Gang WANG, Huiyong NIU, Bo TAN   +4 more
doaj   +1 more source

Land Use Dynamic Evolution and Driving Factors of Typical Open-Pit Coal Mines in Inner Mongolia. [PDF]

Int J Environ Res Public Health, 2022
Zhang L, Hu Z, Yang D, Li H, Liu B, Gao H, Cao C, Zhou Y, Li J, Li S.   +9 more
europepmc   +1 more source

Optimized Transportation of the Open-pit Coal Mine

Journal of Engineering Science and Technology Review, 2022
Baijie Cai, Jianing Hao, Huimin Zhu, Hua Chen   +3 more
openaire   +1 more source

Research on Ecological Effect Assessment Method of Ecological Restoration of Open-Pit Coal Mines in Alpine Regions. [PDF]

Int J Environ Res Public Health, 2022
Yuan M, Ouyang J, Zheng S, Tian Y, Sun R, Bao R, Li T, Yu T, Li S, Wu D, Liu Y, Xu C, Zhu Y.   +12 more
europepmc   +1 more source

RETRACTED: Economic aspect of unmanned open-pit coal mining technologies

BIO Web of Conferences
See the retraction notice BIO Web of Conferences 84, 00001 (2024), https://doi.org/10.1051/bioconf ...
Dubinkin D.M., Golofastova N.N.
openaire   +2 more sources

Macroscopic failure characteristics and seepage pattern of damaged goaf-side coal pillars under confined water accumulation

Meitian dizhi yu kantan
BackgroundThe method of supporting roadways using small coal pillars has been widely applied in China. As a result, the stability of goaf-side coal pillars affects mining safety.
Weitao LIU, Dongqi CHEN, Yuben LIU, Yanhui DU, Jiyuan ZHAO   +4 more
doaj   +1 more source

Notes on issues relevant to structure of all Southwestern States [PDF]

, 1984
List of transnational corporations that have southern African assets and play a role in the economy of Southwestern states of the ...
Seidman, Ann, Seidman, Robert B.
core  

Key technologies and approaches for water resource conservation and utilization in arid to semi-arid open-pit coal mining areas in the northern sand prevention belt of China

Meitian dizhi yu kantan
BackgroundThe northern sand prevention belt (NSPB) of China is primarily distributed in arid and semi-arid regions such as Xinjiang, Inner Mongolia, Ningxia, and Gansu.
Jie FANG, Zhimin XU, Wei CHENG, Zihan LU, Yongqiang ZHAO, Yuhao ZHU, Tianci CHEN   +6 more
doaj   +1 more source

Haul Truck Tires Recycling [PDF]

, 2016
The disposal of large Off-the-Road (OTR) tires is an increasingly important concern. These tires can weigh up to 8,450 pounds with an overall diameter and width of approximately 140.7 inches and 45.1 inches respectively.
Bhave, Omkar
core   +2 more sources

Subsidence resulting from mining [PDF]

, 1916
Illinois coal mining investigations, cooperative agreement. (This report was prepared under a cooperative agreement between the Engineering Experiment Station of the University of Illinois, the Illinois State Geological survey and the U.S.
Stoek, Harry Harkness, 1866-1923, Young, Lewis Emanuel, 1878-   +1 more
core   +1 more source