Results 11 to 20 of about 1,470,279 (358)

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

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

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

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

Surface chemical properties and pore structure of the activated coke and their effects on the denitrification activity of selective catalytic reduction

open access: yesInternational Journal of Coal Science & Technology, 2019
In order to study the mechanism of selective catalytic reduction of activated coke to remove NO in low-temperature flue gas and provide some theoretical basis for the development of related technologies.
Wei Xie   +4 more
doaj   +1 more source

Comparative Analysis of Pore Structure and Adsorption Characteristics of Coal and Shale

open access: yesMeikuang Anquan, 2020
In this paper, the pore structures of coal and shale were analyzed by the methods of high pressure mercury injection, low pressure N2 and CO2 adsorption.
WU Tengfei, DU Xidong, LI Qiqi
doaj   +1 more source

Ecological aspects of managing the stressed- deformed state of the mountain massif during the development of multiple coal layers [PDF]

open access: yes, 2018
The ecological consequences of long-term development of coal deposits for the components of the environment, buildings, communications and infrastructure facilities have been analysed.
Borysovska, Olena   +11 more
core   +1 more source

Global environmental agenda: Developments ahead, sustainable energy-ecological dimensions for Russia, Japan, and Southeast Asia

open access: yesRUDN Journal of Economics, 2022
The study explores the contemporary situation within the global environmental agenda. This topic is vital to humanity and significant in sustainable development for years ahead.
Yana V. Mishchenko
doaj   +1 more source

The evaluation of a risk degree for the process of a brown coal spontaneous ignition on dumps with using of modern numeric methods [PDF]

open access: yes, 2018
The article is a summary of information about evaluation of a risk degree for a brown coal spontaneous ignition which is realized on the base of a database analysis of information about the development of stative quantities and desorbated gases in the ...
Blata, Jan   +4 more
core   +1 more source

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