Results 51 to 60 of about 1,213,077 (307)

Geological and Geochemical Features of Alborz Basin Coal Deposits, Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2012
The Alborz coal basin is located in northern part of Iran. The coal deposits of Shahrood in eastern Alborz, Zirab in central Alborz and Abyek in western Alborz were studied as typical coalfields of the basin.
M. Yazdi
doaj  

Positively Charged Polymer‐Brush MOFs for Large‐Area, Pressure‐Resistant Gas Separation Membranes

open access: yesAdvanced Materials, EarlyView.
A universal POPA strategy enables positively charged polymer‐brush MOFs with self‐adaptive interfacial interlocking to resist aggregation under fast processing. This design ensures seamless dispersion within large‐area selective layers, achieving 1 m‐wide roll‐to‐roll fabrication of pressure‐resistant MMCMs with tunable CO2 separation performance ...
Yi Yang   +11 more
wiley   +1 more source

ASPECTS REGARDING THE TECHNICAL EXPERTISE OF THE ROTATIONAL MECHANISM OF COAL MINING MACHINE - Part I [PDF]

open access: yesFiabilitate şi Durabilitate, 2019
In this paper we presents technical conditions for the rotational mechanism of the coal mining machine after we made technical expertise. The rehabilitation at the rotational mechanism will be subjected, it will be done by performing the intervention ...
Marius Liviu CÎRŢÎNĂ   +2 more
doaj  

The impact of decisions of Mining Industrialists Congresses on the Industrial Revolution increasing in Ukraine in the late XIX century

open access: yesІсторія науки і техніки, 2020
The activity of the mining industry in the South of the Russian Empire, of which Ukraine was part at that time, is analyzed. It is noted that the rapid development of industry in the Russian Empire after the abolition of serfdom in 1861 opened up ...
Maryna Gutnyk, Serhii Radohuz
doaj   +1 more source

Water absorption and salt attack resistance of coal ash brick made of different percentage of foam content [PDF]

open access: yes, 2014
Coal ash which constitute of fly ash and bottom ash were proved to be used as main component in brick production. However, published work on the coal ash brick with addition of foam in order to produce lightweight brick is still lacking. This thesis
Ismail, Sushilawati
core   +1 more source

Tailoring the Morphology of MoS2 using RF Magnetron Sputtering for Enhanced Photoelectrochemical Water Splitting

open access: yesAdvanced Materials Interfaces, EarlyView.
Tailoring the morphology of MoS2 using RF Magnetron Sputtering for Enhanced Photoelectrochemical Water Splitting. ABSTRACT 2D molybdenum disulfide (MoS2) is a promising material for optoelectronic and photoelectrochemical (PEC) applications due to its unique properties.
Somnath Ladhane   +9 more
wiley   +1 more source

Regional disparities in health and employment outcomes of China’s transition to a low-carbon electricity system

open access: yesEnvironmental Research: Energy
Understanding the costs and the spatial distribution of health and employment outcomes of low-carbon electricity pathways is critical to enable an equitable transition.
Haozhe Yang   +8 more
doaj   +1 more source

Selection of the optimal feeding variant for hammer crushers in order to achieve the designed parameters of crushed coal [PDF]

open access: yesMining and Metallurgy Engineering Bor
The process of coal crushing for the Kostolac "B" Thermal Power Plant is carried out at the "Drmno" crushing plant using two hammer crushers of Czechoslovak production (PSP Engineering a.s.
Stojičić Ivan   +4 more
doaj   +1 more source

SUSTAINABLE DEVELOPMENT OF TERRITORIES OF MINING REGIONS [PDF]

open access: yes, 2018
Developing innovative technologies of mining coal seams and increasing the competitiveness of coal produced and providing further diversification of the mine using the "post-mining" concept as the basis for sustainable ...
DUBOVIK, Oleksandr, LOHUNOVA, Oleksandra
core  

Water‐Stable Paper‐Based Laser‐Induced Graphene With Asymmetric Water Adhesion and Wettability

open access: yesAdvanced Materials Interfaces, EarlyView.
Paper‐based electronics are attractive for sustainable and disposable devices, but often fail in wet environments. By introducing Parafilm into cellulose paper combined with laser conversion, two graphene surfaces with different water interactions are created.
Lingyin Meng   +3 more
wiley   +1 more source

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