Results 81 to 90 of about 1,374,113 (389)

Future energy [PDF]

open access: yes, 2010
Energy resources have been a major focus for BGS over our 175 year history. In the past, our geologists searched for coal to keep the UK supplied with energy crucial for economic development.
Busby, Jon   +8 more
core   +1 more source

Demonstration Coal Mines [PDF]

open access: yesScientific American, 1920
n ...
openaire   +2 more sources

Study on Failure Characteristics and Control Technology of Roadway Surrounding Rock under Repeated Mining in Close-Distance Coal Seam

open access: yesMathematics, 2022
In this study, taking the Sheng’an coal mine as an engineering background, the failure characteristics of the surrounding rock of a roadway under repeated mining in a close-distance coal seam is comprehensively illustrated through field measurements (e.g.
Y. Shang   +5 more
semanticscholar   +1 more source

Carrageenan‐Based Hydrogels for High‐Capacity Sorption of Transition Metals

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT Transition metals are among the main pollutants found in industrial wastewater and can be removed by adsorbing them on biological supports. The treatment of aqueous solutions containing lanthanides and other representative transition metal ions by adsorption, using polysaccharide hydrogel beads of kappa (K) and iota (I) from the carrageenan ...
Oshrat Levy‐Ontman   +3 more
wiley   +1 more source

RECLAMATION POTENTIAL OF ROBINIA PSEUDOACACIA L. ON MINING ROCK WITHIN STEPPE ZONE OF UKRAINE [PDF]

open access: yes, 2018
Western Donbass is a powerful coal-mining region in the Steppe zone of Ukraine. In this region, large areas are damaged by coal mining. The mine rocks spread all over the coal district of Dnipropetrovsk region often contain toxic inorganic ...
Sytnyk, Svitlana
core  

Maintenance of reusable mine workings during the augering mining of coal seams [PDF]

open access: yes, 2018
The augering mining of thin and very thin coal seams has been proposed for using the efficiency of this task, related to the stability of reusable mine workings. The interrelation has been established and optimized between the
Bondarenko, Volodymyr   +16 more
core   +1 more source

Analysis of coal face stability of lower coal seam under repeated mining in close coal seams group

open access: yesScientific Reports, 2022
Aiming at the problem of coal face failure of lower coal seam under the influence of repeated mining in close coal seams, with the working face 17,101 as a background, the coal samples mechanics test clarified the strength characteristics of the coal ...
Y. Xiong   +4 more
semanticscholar   +1 more source

Advances in Chlorinated Polyethylene: Properties, Applications, and Future Directions

open access: yesJournal of Applied Polymer Science, EarlyView.
This work highlights recent advances in the synthesis of chlorinated polyethylene (CPE), its versatile industrial applications, and emerging innovations driving its future development in sustainable materials. ABSTRACT Elastomeric chlorinated polyethylene (CM or E‐CPE) integrates the thermoplastic's dynamic processing properties with the elastomer's ...
J. I. Mnyango   +7 more
wiley   +1 more source

Selection of an Optimum Anchoring Method of Composite Rock Stratum Based on Anchor Bolt Support Prestress Field

open access: yesApplied Sciences
In order to make the anchor bolt support prestress field fully diffuse in the composite rock stratum, improve the overall bearing capacity of surrounding rock, and give full play to the role of active support of the anchor bolt, a self-made 1:1-scale ...
Yiqun Zhou   +4 more
doaj   +1 more source

Concentrations, Spatial Distributions, and Sources of Heavy Metals in Surface Soils of the Coal Mining City Wuhai, China

open access: yesJournal of chemistry, 2020
Various studies have shown that soils surrounding mining areas are seriously polluted by heavy metals. In this study, 58 topsoil samples were systematically collected throughout the coal mining city Wuhai, located within the Inner Mongolia Autonomous ...
Qingwei Bu   +7 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy