Results 21 to 30 of about 1,643,449 (356)

Pedogenesis problems on reclaimed coal mining sites

open access: yesSoil and Water Research, 2021
Open-cast coal mining presents a big global issue because of the large areas the mines occupy, which get entirely changed. Their ecosystems lose most of their functions, and a huge amount of fertile soil gets utterly destroyed.
Marko Spasić   +4 more
doaj   +1 more source

The influence features of individual factors on EU countries’ energy markets

open access: yesВісник Харківського національного університету імені В.Н. Каразіна: Серія Міжнародні відносини, економіка, країнознавство, туризм, 2023
The energy consumption impact is an important factor in the development of countries' economies. The European region is energy-dependent due to a significant shortage of energy carriers and an energy crisis.
Vladyslav Honcharenko   +2 more
doaj   +1 more source

The view of technological innovation in coal industry under the vision of carbon neutralization

open access: yesInternational Journal of Coal Science & Technology, 2021
This paper analyzed the current situation and development trends of energy consumption and carbon emissions, and the current situation and development trend of coal consumption in China.
Quansheng Li
semanticscholar   +1 more source

Toward a global coal mining moratorium? A comparative analysis of coal mining policies in the USA, China, India and Australia [PDF]

open access: yes, 2018
To stop global warming at well below 2° C, the bulk of the world’s fossil fuel reserves will have to be left in the ground. Coal is the fossil fuel with the greatest proportion that cannot be used, and various advocacy groups are campaigning for a ban on
Blondeel, Mathieu, Van de Graaf, Thijs
core   +1 more source

A numerical solution to the effects of surface roughness on water–coal contact angle

open access: yesScientific Reports, 2021
Coal dust is a great threat to coal mine workers' health and safety in coal mine production. Wet dust removal is one of the effective dust removal methods.
Chong Li   +3 more
semanticscholar   +1 more source

Hydrogen Adsorption on Sub‐Bituminous Coal: Implications for Hydrogen Geo‐Storage

open access: yesGeophysical Research Letters, 2021
Hydrogen is a clean fuel that can potentially revolutionize the energy supply chain and decarbonize fuel consumption. However, a key hurdle that needs to be overcome before a full‐scale hydrogen economy can be established is hydrogen storage which is ...
S. Iglauer   +3 more
semanticscholar   +1 more source

Destabilization of the hard coal microstructure by a weak electric field [PDF]

open access: yes, 2018
This study aims to analyse physical and chemical changes in hard coal samples under the influence of low-intensity electric fields in comparison to the fragments of ejected coal, as well as the coal samples selected from the zones ...
Kamchatnyi, Oleksii   +3 more
core   +1 more source

A Prediction Method of Coal Burst Based on Analytic Hierarchy Process and Fuzzy Comprehensive Evaluation

open access: yesFrontiers in Earth Science, 2022
Coal burst has become a worldwide problem that needs to be solved urgently for the sake of coal mine safety production due to its complicated triggering mechanisms and numerous influencing factors.
Zhijie Zhu, Yunlong Wu, Jun Han
semanticscholar   +1 more source

Study on extraction phenol from coal tar with high flux centrifugal extractor

open access: yesInternational Journal of Coal Science & Technology, 2017
Solvent extraction phenol from coal tar were carried out with novel composite YH-3 as extraction agent, and the high flux centrifugal extractor was used as extraction device.
Yuan Zhao   +4 more
doaj   +1 more source

Using Chinese Coal Gangue as an Ecological Aggregate and Its Modification: A Review

open access: yesMaterials, 2022
Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications. Producing concrete with coal gangue aggregate is one of the green sustainable development requirements.
Y. Hao   +5 more
semanticscholar   +1 more source

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