Results 41 to 50 of about 1,213,077 (307)
Advanced Functional Materials, EarlyView.This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari +4 more
wiley +1 more source
Dynamic evolution mechanism of water-bearing coal permeability and water film under stress
Meitan kexue jishu, 2023 To explore coal permeability evolution mechanism under the comprehensive action of multiple factors including stress - adsorption - water and slippage effect, considering the coal deformation induced by stress - adsorption, the expression of water film ...
Shulei DUAN +3 more
doaj +1 more source
Characterization of coal products from high temperature processing of Usibelli low-rank coals [PDF]
, 1991 This research project was conducted in association with Gilbert/Commonwealth Inc. as part of an overall techno-economic assessment of high temperature drying of low-rank coals. This report discusses the characteristics of the dried/pyrolyzed products of
Li, YuFu +3 more
core
3D‐Printed Porous Hydroxyapatite Formed via Enzymatic Mineralization
Advanced Functional Materials, EarlyView.Bone combines lightness, strength, and the ability to heal, inspiring new materials design. This work introduces a room‐temperature, enzyme‐mediated 3D printing method to create porous hydroxyapatite scaffolds. The process avoids energy‐intensive sintering, preserves bioactivity, and allows control over porosity and mineralization.
Francesca Bono +6 more
wiley +1 more source
A Study on the Hard Coal Grindability Dependence on Selected Parameters
Energies, 2021 A very important aspect of proper preparation of the coal mixture for the coking process is its appropriate grinding. One of the parameters describing the energy input required for grinding is the Hardgrove index.
Krzysztof Kogut +7 more
doaj +1 more source
Continuous coal processing method [PDF]
, 1980 A coal pump is provided in which solid coal is heated in the barrel of an extruder under pressure to a temperature at which the coal assumes plastic properties.
Ryason, P. R.
core +1 more source
Effect of Multiphase Radiation on Coal Combustion in a Pulverized Coal jet Flame [PDF]
, 2017 The accurate modeling of coal combustion requires detailed radiative heat transfer models for both gaseous combustion products and solid coal particles. A multiphase Monte Carlo ray tracing (MCRT) radiation solver is developed in this work to simulate a ...
Baum +31 more
core +2 more sources
Advanced Functional Materials, EarlyView.Inspired by natural silicified wood, a biomimetic mineralized chitin‐derived aerogel is constructed. It can withstand 81 000 times its own weight, and its backside temperature is 130.4°C after exposure to ∼1300°C butane flame for 600 s, exhibiting high‐strength, fire‐resistance, and super thermal‐insulation properties.
Kai Xu +11 more
wiley +1 more source
Co-firing of coal and woody biomass under conditions of reburning technology with natural gas
International Journal of Renewable Energy Development, 2023 It is a continuous imperative to establish the most efficient process of conversion of primary energy from fuel through combustion, which also has the least possible harmful effect on the environment. In this time of expressed demands for decarbonisation,
Nihad Hodžić, Kenan Kadic
doaj +1 more source
Advanced Healthcare Materials, EarlyView.A versatile approach is presented for fabricating smart multifunctional textiles by integrating thermo‐fluorescent carbon dot/polymer nanocomposite coatings with 3D‐printed interlocked architectures. The fabrics exhibit temperature‐responsive fluorescence, durable hydrophobicity, strong antibacterial and antioxidant activity, and enhanced UV protection.
Poushali Das +8 more
wiley +1 more source