Results 101 to 110 of about 852,005 (310)

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

Advanced 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, Ye Yuan, Yuxiu Sun, Fei Shi, Chenyang Song, Weifan Wang, Qinghua Li, Menglong Sheng, Zhihua Qiao, Jingwei Hou, Anthony K. Cheetham, Zhi Wang   +11 more
wiley   +1 more source

Strain‐Driven Surface Reconstruction During the Alkaline Oxygen Evolution Reaction: a Model Thin‐Film Study

Advanced Materials, EarlyView.
ABSTRACT Dynamic surface reconstruction critically governs the performance and durability of oxide‐based electrocatalysts for the oxygen evolution reaction (OER), yet controlling this process under operating conditions remains challenging. Here, we demonstrate that lattice strain regulates the extent of surface reconstruction in perovskite oxides by ...
Yong Beom Kim, Jeong Jin Lee, Jeongah Lee, Yeongtaek Hong, San Kwak, WooChul Jung   +5 more
wiley   +1 more source

SHS of Oxide Systems Based on the “Mechano-Chemical” Quartz Modified by Organometallic Compounds

Eurasian Chemico-Technological Journal, 2000
The differences of the effects of mechanical substance pre-activation in the mills with divers force effect schemes on the self-propagating high temperature synthesis (SHS) of the SiO2 + 37.5 % Al system are shown.
G. I. Ksandopulo, N. N. Mofa, T. A. Ketegenov, O. V. Cherviakova, O. A. Tyumentseva   +4 more
doaj   +1 more source

Electrolyte‐Induced Interfacial/Bulk Dual Regulation Enables Negligible Capacity Decay in Li‐Rich Cathodes

Advanced Materials, EarlyView.
This work report a n electrolyte‑induced interfacial/bulk dual regulation strategy that enables negligible capacity decay in li‑rich cathodes. ABSTRACT Lithium‐rich manganese‐based oxides (LRMO) suffer from rapid capacity decay, mainly driven by interfacial instability and bulk structural degradation associated with Jahn‐Teller (J‐T) distortion in Mn3+‐
Tianqi Yang, Min Jiang, Jiatao Lou, Zhouyu Huang, Xingjun Li, Liuqi Wang, Qingru Zhou, Lun Li, Liuyi Hu, Wei Liu, Yuzhi He, Xingyu Wang, Zhengbo Liu, Wenkui Zhang, Jun Zhang, Xinhui Xia, Yang Ren, Qi Liu   +17 more
wiley   +1 more source

Flame Speciation and Laminar Burning Velocity of Tetralin Flames Under Atmospheric Pressure

Energies
We present a combined experimental and modeling study of premixed atmospheric-pressure tetralin flames. Chemical speciation in near-stoichiometric (φ = 0.8–1.0) tetralin/O2/Ar flames was characterized by probe-sampling molecular-beam mass spectrometry ...
Vladislav V. Matyushkov, Anatoly A. Chernov, Mikhail V. Novikov, Ksenia N. Osipova, Tatyana A. Bolshova, Artëm M. Dmitriev, Denis A. Knyazkov, Andrey G. Shmakov   +7 more
doaj   +1 more source

A Numerical Study on Combustion and Emission Characteristics of a Medium-Speed Diesel Engine Using In-Cylinder Cleaning Technologies

Energies, 2015
In order to clarify the potential of internal purification methods on medium speed diesel engines to meet the IMO Tier III nitrogen oxide (NOx) emission regulations, combined 1-D engine working cycle simulation and 3-D CFD simulation were conducted to ...
Shuang He, Bao-Guo Du, Li-Yan Feng, Yao Fu, Jing-Chen Cui, Wu-Qiang Long   +5 more
doaj   +1 more source

Chaotic Combustion in Spark Ignition Engines

, 2002
We analyse the combustion process in a spark ignition engine using the experimental data of an internal pressure during the combustion process and show that the system can be driven to chaotic behaviour.
Abarbanel, Antoni, Chatterjee, Grzegorz Litak, Heywood, Jacek Czarnigowski, Kazimierz Szabelski, Litak, Litak, Mirosław Wendeker, Pomeau   +10 more
core   +2 more sources

Advanced Separators for Liquid and Quasi‐Solid Lithium Rechargeable Batteries: Design and Development

Advanced Materials, EarlyView.
This review traces the evolution of lithium‐ion battery separators from passive barriers to multifunctional components central to cell safety and performance. Polymer‐ceramic hybrids, nanofiber architectures, and bio‐derived membranes deliver ionic conductivities above 3 mS cm−1, thermal stability beyond 200 °C, and effective suppression of lithium ...
Karthik Vishweswariah, Ningaraju Gejjiganahalli Ningappa, Anil Kumar M. R., Jeremy I. G. Dawkins, Thiago M. G. Selva, Karim Zaghib   +5 more
wiley   +1 more source

Combustion noise from gas turbine aircraft engines measurement of far-field levels [PDF]

Combustion noise can be a significant contributor to total aircraft noise. Measurement of combustion noise is made difficult by the fact that both jet noise and combustion noise exhibit broadband spectra and peak in the same frequency range.
Krejsa, Eugene A.
core   +1 more source

Effect of air-preheating on NOx emissions from a gas turbine combustor [PDF]

, 1994
A 76 mm diameter can combustor equipped with a 45° curved-blade radial swirler was used to study the effect of high inlet temperature gas turbine combustion on NOx emission characteristics.
Mustafa, Azeman
core