Results 121 to 130 of about 8,725 (226)

Research on Hydraulic Support Selection of Unmanned Fully-mechanized Coal Mining Face [PDF]

Proceedings of the 2016 7th International Conference on Mechatronics, Control and Materials (ICMCM 2016), 2016
Lizhi Zhang, Xuewen Li, Yongsheng Yang
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Design of Automatic Combination Cutting-and-conveying Unit of Fully Mechanized Coal Face

Gong-kuang zidonghua, 2011
In order to improve automation level and production efficiency of fully mechanized coal face, the paper proposed a design scheme of automatic combination cutting-and-conveying unit of fully mechanized coal face.
GONG Fu-zhang, WU Qing, RONG Liang, YU Xi-yang, HE Jia-jian, CHEN Zhuo   +5 more
doaj  

Mechanism of instability induced scour of thick hard rock-coal pillar structure in deep fully mechanized working face with large mining height

Yantu gongcheng xuebao
The instability-induced rockburst of thick hard rock stratum-coal pillar structure is a typical rockburst mode in Ordos deep mining area, and its mechanism is still unclear.
ZHANG Xiang 1, ZHU Sitao 1, 2, JIANG Fuxing 1, LIU Jinhai 1, ZHU Quanjie 3, SHI Xianfeng 3, HAN Gang 4, WEI Xiaohu 5, CAO Jinglong 4, QU Xiaocheng 6
doaj   +1 more source

A.G. Stakhanov in Gaumont Pathé’s Soviet Film Archives: Between Physical Performance and Instrumentalisation [PDF]

, 2017
The depiction of the miner A.G. Stakhanov in newsreels from the Gaumont Pathé archives highlights the representations of this physical performance used in the specific economic and political environment of the USSR during the interwar period. The Soviet
Mariotti, Nadège
core  

Digital twin-driven control construction for three machines of smart coal mining face [PDF]

In order to further improve the intelligent control level of fully mechanized mining equipment in coal mines and achieve the normalized operation of intelligent mining face, this paper proposes the related concepts and system architecture of intelligent ...
Bing MIAO, Shirong GE, Xiusong YOU, Yinan GUO   +3 more
core   +1 more source

Simulation of rapid loading systems in iron ore mines [PDF]

, 2010
In the mining industry, it is observed that sudden break-down of any equipment may stop the entire system, resulting in drastic production losses and enhancing the cost production. In this paper, the probability of sudden break down of each equipment are
Sandeep, Manakeshwar, Sumeet , Verma
core  

Break Even Analysis of Mining Projects [PDF]

, 2010
The economics of the resources industry are unique. All mining is subject to uncertainties not applicable to other industries. Every mine is different. Industry economics are difficult to quantify and categorize. Information is very costly.
Ahmad , F, Chauhan, H K
core  

Experimental research on overlying strata movement and fracture evolution in pillarless stress-relief mining [PDF]

, 2015

core   +1 more source

The Rules of the Game and the Morality of Efficient Breach [PDF]

, 2017
Moralists have long criticized the theory of efficient breach for its advocacy of promise breaking. But a fully developed theory of efficient breach has an internal morality of its own.
Klass, Gregory
core   +2 more sources

Sparse crowd sensing method for methane concentration field in coal mine fully mechanized mining face

Meikuang Anquan
In view of the lack of methane monitoring points in coal mine fully mechanized mining face, it is difficult to achieve for high coverage methane concentration monitoring in the mining face area. We propose a methane concentration field sensing method in the mining face based on sparse crowd sensing.
Jing ZHANG, Dou ZHA, Shijia QU, Yuguang XU   +3 more
openaire   +1 more source