Results 61 to 70 of about 1,643,449 (356)

Bipolar Hydrogen Production by Hybrid Water Electrolysis

Advanced Functional Materials, EarlyView.
This review focuses on the recent advances in uniqueness bipolar H2 production from the oxidation of representative small molecules, including 5‐hydroxymethylfurfural, formaldehyde, alcohols, and N‐heterocycle amides. The target electrocatalysts and the underlying mechanisms are discussed in respect to specific substrate oxidation.
Jiachen Li, Ting Zhang, Yuqiang Ma, Zihang Zhao, Haixia Ma, Zhengxiao Guo   +5 more
wiley   +1 more source

Mechanical properties and damage constitutive model of coal under the coupled hydro-mechanical effect

Rock and Soil Mechanics, 2021
In order to explore the impact of moisture on the mechanical properties of coal, the triaxial compression tests of raw coal with different moisture contents are carried out by using the triaxial servo-controlled seepage equipment for thermal-hydro ...
LI Bo-bo, WANG Zhong-hui, REN Chong-hong, ZHANG Yao, XU Jiang, LI Jian-hua   +5 more
doaj   +1 more source

SUSTAINABLE DEVELOPMENT OF TERRITORIES OF MINING REGIONS [PDF]

, 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  

Tailoring the Properties of Functional Materials With N‐Oxides

Advanced Functional Materials, EarlyView.
The properties of materials bearing N‐oxide groups are often dominated by the polar N+─O− bond. It provides hydrophilicity, selective ion‐binding, electric conductivity, or antifouling properties. Many of the underlying mechanisms have only recently been discovered, and the interest in N‐oxide materials is rapidly growing.
Timo Friedrich, Michelle Kobus, Shirin Mesgarha, Erica Moretto, Laurens Grosche, Wolfgang Maison   +5 more
wiley   +1 more source

Evolution of the roof caving and fracture zones during mining of close range coal seams

Scientific Reports
This study employs an integrated methodology combining slip line field theory, FLAC3D numerical simulation, and hydraulic injection testing to systematically investigate the evolutionary characteristics of roof two zones under repeated mining conditions ...
Jianhua Li, Wenyu Zhou, Pengjiang Deng, Jun Yan, Senbiao Chang   +4 more
doaj   +1 more source

Selected Aspects of Combustion Optimization of Coal in Power Plants

Energies, 2020
Growing ecological standards force the implementation of solutions that will contribute to reducing greenhouse gas (GHG) emissions to the atmosphere. This is particularly important in Poland, whose energy system is almost 80% based on coal.
Maciej Dzikuć, Piotr Kuryło, Rafał Dudziak, Szymon Szufa, Maria Dzikuć, Karolina Godzisz   +5 more
doaj   +1 more source

Designing Thermally Compatible Template‐Coating Pairs Toward Dimensionally Stable 3D Porous Carbons with Tunable Density

Advanced Functional Materials, EarlyView.
3D porous carbons with tunable density are crucial for energy storage, separations, and load‐bearing applications; however, their fabrication is often constrained by shrinkage during pyrolysis. This study optimizes and demonstrates the versatility of a template–coating pair strategy, producing materials that largely retain their shape and hierarchical ...
Adarsh Suresh, Manuela Campos, Kendrick Xie, Elektra Makris, Jonah Lovejoy, Maya El Shamsy, Chong Liu, Stuart J Rowan   +7 more
wiley   +1 more source

A novel dry coal feeding concept for high-pressure gasifiers [PDF]

, 1977
A novel dry coal feeding concept was developed for injecting ground coal into high-pressure gasifiers. Significant power savings are projected because the coal is injected directly with a ram and there is no requirement for pumping large volumes of gas ...
Davis, H. C., Trumbull, H. E.
core   +1 more source

A Scalable, Durable, Fire‐Safe All‐Day Passive Radiative Cooling Coating for Sustainable Buildings

Advanced Functional Materials, EarlyView.
This study reports a scalable, durable coating that combines a fire‑retardant copolymer adhesive, hollow glass microspheres, and boron oxide to achieve passive radiative cooling with over 94% solar reflectance and >95% mid‑infrared emissivity. The coating maintains performance after UV and rain exposure and exhibits UL‑94 V‑0 fire resistance, enabling ...
Zhewen Ma, Yuanhao Feng, Alex Y. Song, Toan Dinh, Min Hong, John Bell, Boyou Hou, Pingan Song, Wei Zheng   +8 more
wiley   +1 more source

Comparing post-combustion CO2 capture operation at retrofitted coal-fired power plants in the Texas and Great Britain electric grids [PDF]

, 2011
Stuart Cohen is with UT Austin, Hannah Chalmers is with University of Edinburgh, Michael Webber is with UT Austin, and Carey King is with UT AustinThis work analyses the carbon dioxide (CO2) capture system operation within the Electric Reliability ...
Chalmers, Hannah L., Cohen, Stuart M., King, Carey W., Webber, Michael E.   +3 more
core   +2 more sources