Results 51 to 60 of about 507,235 (176)
Carsologica SinicaThe importance of metal mineral resources as a vital component of China's social and economic development is self-evident. With the acceleration of industrialization, the demand for mineral resources has increased sharply, and mining activities have ...
Sanxi PENG +4 more
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Application of Flowback Water and GOPS on the Prevention of Acid Mine Drainage in the Mather Mine [PDF]
, 2013 Acid mine drainage (AMD) is an environmental pollutant that degrades water bodies and harms aquatic life. In the Appalachian Mountains of the eastern U.S., over 7,500 miles of streams are impacted by AMD.
Deng, Huiqi
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, 2022 Mine report no. 894.Includes map.Typescript (carbon copy).Plan and section, Neglected Mine (drawing) -- Report, Neglected Mine / A.M. Welles -- Letter, dated April 5, 1919, addressed to Mr. Kinney -- Synopsis of report / by Geo. H.
Welles, A. M. (Alonzo Merritt)
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Using roof borehole electrical resistivity tomography to monitor roof water infiltration in a mine work face. [PDF]
Sci RepRoof water inrush in coal mining is a significant type of water-related disaster that usually results from the interconnection of water-bearing geological formations formed by cracks during and after work face mining.
Du L +5 more
europepmc +2 more sources
An improved turbulent boundary layer inflow condition, applied to the simulation of jets in cross-flow [PDF]
The jet acting perpendicular to a cross-flow boundary layer is a commonly studied complex turbulent flow. Our research was motivated by their potential application in separation delay devices, where jets can be used to produce streamwise vortices in a ...
Jewkes, James
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Meitian dizhi yu kantanBackgroundIn the Yushen mining area, coal mining is gradually shifting toward areas with thick soil layers. This leads to continuous water release from the saturated soils above the hydraulically conductive fracture zones, thereby significantly ...
Tao LI, Ying GAO, Limin FAN, Junwei YANG
doaj +1 more source
Doctor mine, Gunnison County, Colorado
, 2022 Mine report no. 1138.Includes maps.Typescript (carbon copy).Doctor mine, Gunnison district, Colorado / W.H. Cary -- The Doctor mine / H.L. Brown -- Doctor mine, Gunnison County, Colorado / M.W.
Brown, H. L. +2 more
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Properties of the Bassick gold mine Co.
, 2022 Scale approximately 1:720.Photocopy.Blueline print.Photographic copy of a map showing claims in T. 22 S., R.
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Treatment technology of large flow water gushing in karst depression open-pit mine
Meitan kexue jishuKarst geology is widely distributed in China, and karst water gushing has become a huge disaster and challenge for the safe production of limestone mines.
Haiyan LI +8 more
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Modeling of Water Inflow Zones in a Swedish Open-Pit Mine with ModelMuse and MODFLOW
The Aitik mine is Sweden’s largest open-pit sulfide mine and Europe’s most important producer of gold, silver, and copper. However, the mine faces problems related to water inflow, particularly in the northern zone and western hanging wall ...
Johanes Maria Vianney +4 more
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