Results 81 to 90 of about 116,136 (195)

A High‐Entropy Strategy for Chemoresistive Ethanol Sensors With Remarkably Rapid and Selective Response

open access: yesAdvanced Science, EarlyView.
The configurational‐entropy strategy enables rapid and sensitive ethanol detection using a multicomponent oxide. The high‐entropy (InSnFeZnW)Ox provides enriched oxygen vacancies and diverse adsorption sites that strengthen surface reactivity. The sensor achieves a 5135% ethanol response with fast kinetics and stable long‐term operation.
Gi Baek Nam   +19 more
wiley   +1 more source

Modelo matemático para los fenómenos de combustión en un horno de cubilote

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2006
Se presenta un modelo matemático que describe los fenómenos de combustión en un horno de cubilote. La construcción del modelo se realizó con base en las reacciones heterogéneas coque-gas más importantes; es decir, la reacción de combustión, la ...
Ricardo Aristizábal Sierra   +4 more
doaj  

Long‐Term Ambient Benzene Exposure and Brain Disorders Among Urban Adults: Effect Modification by Genetic Susceptibility and Potential Mediation by Plasma Proteins

open access: yesAdvanced Science, EarlyView.
Low‐level ambient benzene exposure is associated with increased risks of multiple brain disorders in urban adults. Genetic susceptibility modifies these associations, while plasma proteomics points to potential biological pathways linking benzene exposure to adverse brain health.
Jianhui Guo   +10 more
wiley   +1 more source

Estimadores cuantitativos de la emisión de contaminantes atmosféricos por combustión del petróleo crudo cubano y su efecto económico

open access: yesRevista Científica de Ingeniería Energética, 2011
Se estima el valor promedio de la emisión de contaminantes de la Central Termoenergética (CTE) JoséMartí al utilizar como combustible la mezcla de petróleo crudo nacional en la década del 90 y el perjuicioecon ...
Juan Landa García   +1 more
doaj  

Deep Eutectic Polymer Electrolyte with Competitive Hydrogen‐Bonding Coordination for High‐Voltage Nickel‐rich Lithium Metal Batteries

open access: yesAdvanced Science, EarlyView.
To stabilize high‐voltage Li||NCM811 batteries, we develop an in situ polymerized deep‐eutectic electrolyte (p‐DEPE) featuring competitive hydrogen‐bonding coordination. This design weakens Ni4+ adsorption, suppresses oxygen release, and enhances interfacial stability.
Yuxin Fan   +6 more
wiley   +1 more source

High Free‐Volume Imidazole‐Based Ionomers for High‐Temperature Proton Exchange Membrane Fuel Cells

open access: yesAdvanced Science, EarlyView.
High free‐volume imidazole‐based ionomers (PF4IM‐72) enable enhanced phosphoric acid uptake and efficient proton transport, delivering peak power densities of 0.645 W cm−2 at 160 °C and 0.838 W cm−2 at 200 °C in HT‐PEMFCs. This work highlights a promising platform for next‐generation ionomers with improved high‐temperature performance and stability ...
Ge Chao   +7 more
wiley   +1 more source

Influencia de las variaciones del coeficiente de intensidad de giro “ç” en la aerodinámica de la llama de los quemadores de cualquier instalación industrial

open access: yesRevista Centro Azúcar, 2011
En el trabajo se presenta, un estudio sobre la influencia de algunas variaciones en el coeficiente de intensidad de giro “ç”, provocado por imprecisiones constructivas de los dispositivos aerodinámicos de los quemadores, sobre la aerodinámica de la llama,
Abelardo Daniel Rodríguez Arias
doaj  

Unveiling a Hidden Conversion Pathway in CoSe2 Anodes via Rationally Designed CNT‐Interwoven Hollow Carbon Microclusters for High‐Performance Potassium‐Ion Batteries

open access: yesAdvanced Science, EarlyView.
A rational architectural design of hierarchical, CNT‐interwoven hollow carbon microclusters unlocks and stabilizes a unique monoclinic Co3Se4‐mediated conversion–insertion pathway for potassium storage. This structural confinement effectively guides the reaction kinetics and accommodates severe mechanical strain.
Ho Rim Kim   +8 more
wiley   +1 more source

ZrO2 Aerogel‐Supported Pd Nanoparticles for Photothermal CO2 Reduction

open access: yesAdvanced Science, EarlyView.
Nanoparticle‐based aerogels are promising catalysts for photothermal reactions due to optical transparency, high surface area, and low thermal conductivity. Here, we present deposition of Pd nanoparticles on ZrO2 aerogel granules by a wet‐impregnation approach.
David Kiwic   +3 more
wiley   +1 more source

EFECTO DE LA COMPOSICIÓN DEL GAS DE REFINERÍA SOBRE LAS CARACTERÍSTICAS DEL PROCESO DE COMBUSTIÓN

open access: yesRevista Ingenierías Universidad de Medellín, 2013
En este artículo de investigación científica se analiza el efecto del cambio de la composición del gas combustible (Gas de Refinería (GR) por Gas Natural (GN)) sobre las características del proceso combustión en hornos de la industria de refinación del ...
O. M. Cala   +3 more
doaj  

Home - About - Disclaimer - Privacy