Results 81 to 90 of about 51,282 (223)

Large-Eddy Simulation of combustion instabilities in a variable-length combustor. [PDF]

, 2013
This article presents a simulation of a model rocket combustor with continuously variable acoustic properties thanks to a variable-length injector tube. Fully compressible Large-Eddy Simulations are conducted using the AVBP code.
Garby, Romain, Poinsot, Thierry, Selle, Laurent   +2 more
core   +3 more sources

ZnO Nanowires by Chemical Bath Deposition: A Review on Doping and Functional Devices

Electron, EarlyView.
This review reports the most recent and well‐established state‐of‐the‐art and scientific challenges related to the doping of ZnO nanowires by chemical bath deposition, encompassing native point and hydrogen‐related defects, as well as extrinsic dopants.
Clément Lausecker, Adrien Baillard, Estelle Appert, Vincent Consonni   +3 more
wiley   +1 more source

Asymmetric Charge Redistribution at the Tri‐Functional Cu1–Ru/CeOx Interface Enables Alkaline Hydrogen Evolution Reaction

Interdisciplinary Materials, EarlyView.
A tri‐functional Cu1–Ru/CeOx catalyst with asymmetric charge distribution enables record‐high alkaline hydrogen evolution reaction (HER) performance. Ce3+–Ov sites in ceria enhance water activation and dissociation, while electron‐rich Ru atoms promote HO* adsorption and HO− desorption, and electron‐deficient Cu1 facilitates H2 evolution.
Vandung Dao, Lorenzo Guano de Blasio, Sunny Yadav, Giovanni Di Liberto, Sang‐Ik Lee, Young‐Sang Yu, Chunjoong Kim, Leewoon Jang, Hyun You Kim, Gianfranco Pacchioni, In‐Hwan Lee   +10 more
wiley   +1 more source

Maternal and neonatal outcomes in Gaza amid armed hostilities in 2025

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract Objective This study documents facility‐based maternal, obstetric, and neonatal outcomes and associated conflict‐related exposures and living conditions among pregnancy‐related encounters at Al‐Helou Maternity Hospital in Gaza from late April to early September 2025, with a small number of additional encounters recorded at Al‐Shifa Medical ...
Shaymaa Abuhaiba, Younis Elijla, Aya El‐Dadah, Othman Nassar, Meran Abu‐Sultan, Maysaa Almasry, Hebatallah Alkhatib, Mahmoud Alsady, Amir Mahdi Ghafarian, Muath Alsarafandi, Lina Abumughessib, Arham Ali, Yassar Arain, Abeerah Muhammad, Belal Aldabbour, Shayan Ali, Bilal Irfan   +16 more
wiley   +1 more source

Study on Spontaneous Combustion Tendency of Coals with Different Metamorphic Grade at Low Moisture Content Based on TPO-DSC

Energies, 2019
In the environments of various open coal storage sites, mining-affected coalbeds, and goafs, etc., some coal bodies are often affected by external environmental factors. They are highly prone to spontaneous combustion in low moisture content (≤8%).
Jiuyuan Fan, Gang Wang, Jiuling Zhang
doaj   +1 more source

Ignition characteristics of the nickel-based alloy UNS N07001 in pressurized oxygen [PDF]

The development of ignition and combustion in pressurized oxygen atmospheres was studied for the nickel-based alloy UNS N07001. Ignition of the alloy was achieved by heating the top surface of a cylindrical specimen with a continuous-wave CO2 laser.
Billiard, P. A., Bransford, J. W.
core   +1 more source

Pollution reduction technology program for small jet aircraft engines: Class T1 [PDF]

, 1977
Small jet aircraft engines (EPA class T1, turbojet and turbofan engines of less than 35.6 kN thrust) were evaluated with the objective of attaining emissions reduction consistent with performance constraints.
Bruce, T. W., Davis, F. G., Mongia, H. C.   +2 more
core   +1 more source

Nutritional characterization of Cusco green tea and its synergistic effect with omega‐3 on metabolic and cognitive dysfunctions in obese rats

Journal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Obesity and its metabolic complications, such as insulin resistance and cognitive decline, remain a global health challenge. Green tea (Camelia sinensis) and ω‐3 polyunsaturated fatty acids (PUFAs) are recognized for their antioxidant, anti‐inflammatory, and neuroprotective properties.
Paola Finetti‐Casanova, Nataly Bernuy‐Osorio, Miguel Rodriguez‐Pozo, Aya Maaloul, Roberto T Abdala‐Diaz, Juan Decara   +5 more
wiley   +1 more source

Research progress and prospects of coal spontaneous combustion monitoring and early warning technology

Gong-kuang zidonghua
To address the lack of comprehensive reviews focusing on the suitability of coal spontaneous combustion monitoring and early warning technologies for various underground scenarios, this paper reviews monitoring technologies applicable under real ...
DENG Jun, LIU Dengzhen
doaj   +1 more source

Effect of HBr on Explosion Limits of Stoichiometric Hydrogen‐oxygen Mixture

International Journal of Chemical Kinetics, EarlyView.
ABSTRACT This work, based on numerical simulations, discusses the effect of HBr as an inhibitor on the explosion limit of stoichiometric hydrogen‐oxygen gas mixture in a closed spherical vessel. The numerical simulation solves the complete governing equations for mass, momentum, species and energy.
Chunkan Yu, Peter Glarborg
wiley   +1 more source