Results 11 to 20 of about 1,156,762 (339)

Review of Potential Energy Storage in Abandoned Mines in Poland

open access: yesEnergies, 2021
Poland has had a total of 70 mines, but now more than half of them is out of operation. This mining closure raises with respect to the environment and unemployment.
Candra Saigustia, S. Robak
semanticscholar   +1 more source

The Impact of Contract Operations on Safety in Underground Coal Mines [PDF]

open access: yes, 2016
OBJECTIVE: The aim of this study was to test for differences in injury rates for contractor-operated underground coal mines relative to owner-operated mines in Kentucky, controlling for other covariates.
Boden, Leslie, Buessing, Marric Grace
core   +2 more sources

A FDTD model for the post-reception synthetic focusing surface penetrating radar with mine detecting applications [PDF]

open access: yes, 1999
Surface penetrating radar (SPR) is extensively used in military, civil, geophysical and archaeological applications. There has been an increasing emphasis on the use of SPR in the identification of buried unexploded ordnance, such as anti-tank mines ...
Benjamin, R, Hilton, GS, Nilavalan, R
core   +1 more source

Review: Acid Mine Drainage (AMD) in Abandoned Coal Mines of Shanxi, China

open access: yesWater, 2020
Excessive exploitation and massive coal mine closures have brought about extensive goafs in Shanxi where 8780 coal mines have been abandoned in the last 20 years.
Zhaoliang Wang   +3 more
semanticscholar   +1 more source

Heat recovery from mineworkings: opportunities in the Glasgow area [PDF]

open access: yes, 2017
Glasgow is one of many locations within the United Kingdom once dotted with a number of thriving coal mines. Before the suitability of the water stored in mines can be determined for use in ground source heat pump (GSHP) heating applications, it is ...
Aaen, Bjorn   +6 more
core   +1 more source

L’ingénierie de la promesse : le renouveau minier français et la « mine responsable »★

open access: yesNatures Sciences Sociétés, 2021
Le renouveau minier français fait intervenir des acteurs nouveaux en France métropolitaine, les juniors d’exploration minière, dont l’organisation économique est proche des start-up.
Laurent Brice, Merlin Julien
doaj   +1 more source

Predicting the Pillar Stability of Underground Mines with Random Trees and C4.5 Decision Trees

open access: yesApplied Sciences, 2020
Predicting pillar stability in underground mines is a critical problem because the instability of the pillar can cause large-scale collapse hazards. To predict the pillar stability for underground coal and stone mines, two new models (random tree and C4 ...
Mahmood Ahmad   +5 more
semanticscholar   +1 more source

La magia y los juegos de azar en los Reales Mineros Novohispanos

open access: yesNuevo mundo - Mundos Nuevos, 2016
This research addresses the problems related to gambling in the New Spain mining cities. We refer, in great lines, to the characteristics of working conditions in relation to the good luck in finding rich minerals. We also deal with amusements, pastimes,
Eduardo Flores Clair
doaj   +1 more source

Performance Analysis of Open Source Time Series InSAR Methods for Deformation Monitoring over a Broader Mining Region

open access: yesRemote Sensing, 2020
Time Series Interferometric Synthetic Aperture Radar (TSInSAR) methods have been widely and successfully applied for spatiotemporal ground deformation monitoring. The main groups of methodological approaches are often referred to as Persistent Scatterer (
Kleanthis Karamvasis   +1 more
doaj   +1 more source

Research progress on coal mine laser methane sensor [PDF]

open access: yes, 2019
This paper discusses the research progress of low-power technology of laser methane sensors for coal mine. On the basis of environment of coal mines, such as ultra-long-distance transmission and high stability, a series of studies have been carried out ...
Grattan, K. T. V.   +10 more
core   +1 more source

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