The lubrication of mining reducer is subjected to the contamination of coal rock dust, and this contamination has extremely serious influence on the wear life of reducers.
Xinyu Pang +5 more
doaj +1 more source
Fracturing mechanism of pre-damaged granite induced by multi-source dynamic disturbances in tunnels
To elucidate the fracturing mechanism of deep hard rock under complex disturbance environments, this study investigates the dynamic failure behavior of pre-damaged granite subjected to multi-source dynamic disturbances.
Biao Wang +3 more
doaj +1 more source
Planning for development in a mineral-based economy [PDF]
Draft copy of a paper presented at the 23rd Annual Meeting of the African Studies Association "Charge and Contrasts: New Directions and Traditional Ties in Africa" Philadephia, October 15-18, 1980.A deeply structured dualism typically characterizes third
Seidman, Ann
core
Synergism of He-3 acquisition with lunar base evolution [PDF]
It is shown how acquisition of He-3 affects Lunar Base development and operation. A four phase evolutionary Lunar Base scenario is summarized with initial equipment mass and resupply requirements. Requirements for various He-3 mining operations are shown
Crabb, Thomas M., Jacobs, Mark K.
core +1 more source
Variable frequency drive for mining equipment [PDF]
В докладе приведено описание горнопроходческого комплекса, показана актуальность внедрения частотно-управляемого электропривода, рассмотрены основные виды приводов и примеры их практической реализации.Description of a mining complex is presented in the ...
Borodatskiy, E. G. +7 more
core
Diagnosis method for planetary gear faults in shearer under strong noise interference
The health status of the planetary gears in the cutting section of shearer's rocker arm directly affects the cutting efficiency. The strong noise interference caused by multiple impacts during the cutting of coal and rock by the shearer, the complex gear
LI Yong +4 more
doaj +1 more source
Improving Knowledge-Based Systems with statistical techniques, text mining, and neural networks for non-technical loss detection [PDF]
Currently, power distribution companies have several problems that are related to energy losses. For example, the energy used might not be billed due to illegal manipulation or a breakdown in the customer’s measurement equipment.
Biscarri Triviño, Félix +4 more
core
Improving the efficiency of blasting operations in mines with the help of emulsion explosives [PDF]
Purpose. To improve the efficiency of blasting operations in mines taking into consideration the upgrading of equipment used to charge blastholes as well as application of high-productive mining equipment of new generation. Methods.
Lyashenko, V +3 more
core +1 more source
Coal mining equipment lifecycle management system architecture and key technology
In response to the technical challenges of achieving intelligent comprehensive management of the entire lifecycle of coal mining equipment, the development process of China’s coal mining equipment lifecycle management technology is divided into three ...
Yihui PANG +4 more
doaj +1 more source
Environmental pollution produced by gold artisanal mining in the Mapiri river basin, Apolobamba, Bolivia [PDF]
Mining activity is very important in Bolivia since colonial times. Today it has been reactivated, especially gold mining, due to rise in metal prices. Artisanal and small-scale mining activities are abundant in the protected area of Apolobamba, near the ...
Alfonso Abella, María Pura +5 more
core

