Results 61 to 70 of about 1,221,571 (158)

Annual report of the inspection of coal mines and coal production, State of Kansas.

open access: yes
Report year ends Dec. 31.Mode of access: Internet.Continued by: Kansas. Mine Inspection Dept. Annual report of Coal Mine Inspection and Mine Rescue Departments.Continues: Kansas. Mine Inspection Dept.
Kansas. Mine Inspection Dept.
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Seventh annual report of the Columbus & Hocking Coal & Iron Co. for year 1889

open access: yes, 2022
Mine report no. 839.This is a report of the economic conditions and activities of the Columbus & Hocking Coal & Iron ...
Adams, Henry Hitch, 1917-
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Coal mine safety engineering [PDF]

open access: yes, 1941
The progress of coal mine safety may be compared to the development in mining through the years. When coal was first discovered centuries ago, it was taken from river or creek beds and from the outcroppings on the sides of hills.
Herbert, Charles F.
core   +1 more source

Comprehensive prevention and control strategy for top coal fire based on the intelligent mine comprehensive management and control platform [PDF]

open access: yes
To improve the intelligence and efficiency of mine fire prevention and control, a comprehensive prevention and control strategy for caving coal mining fires based on the intelligent mine integrated management and control platform is proposed.
Miao ZHAO
core   +1 more source

Mine shaft, 1902 January

open access: yes, 1902
View of coal mine opening and blacksmith shop.

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Application of Flowback Water and GOPS on the Prevention of Acid Mine Drainage in the Mather Mine [PDF]

open access: yes, 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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Miner inside of mine

open access: yes, 1901
Miner standing inside of coal mine.

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Solid intelligent backfill coal mining method with video ai algorithm analysis in coal mine

open access: yesMeitan kexue jishu
The solid backfilling mining method has great advantages in handling coal-based solid waste and controlling surface subsidence, but its low backfilling efficiency, long succession time and high labour intensity constrain the development of green backfilling mining.
Qiang ZHANG   +5 more
openaire   +1 more source

Enhancing Coal Mining Efficiency

open access: yesInternational Journal of Distributed Systems and Technologies
Coal is a prominent energy resource for several countries. Of late, exploring the automatic management and control of coal mining has been a significant task. This article presents a framework for a mine-wide integrated automation management and control platform with the goal of advancing coal mining through unified data, models, platforms, and plans ...
openaire   +2 more sources

Research and application on megawatt level intelligent fracturing pump system in coal mine [PDF]

open access: yes
This paper presents the development of a megawatt-scale intelligent fracturing pump system for underground coal mines, designed to address the escalating demands for flow and pressure in large-scale regional fracturing applications, particularly in hard ...
Chuliang WANG   +13 more
core   +1 more source

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