Results 21 to 30 of about 116,136 (195)

Ultrasmall High‐Entropy Materials: Nanoscale Effects, Synthesis, and Mechanistic Insights

open access: yesAdvanced Functional Materials, EarlyView.
This review article focuses on sub‐10 nm high‐entropy materials that combine nanoscale design with complex compositions for next‐generation applications. ABSTRACT Ultrasmall high‐entropy nanomaterials (USHENMs, <10 nm) merge multicomponent chemistry with size‐dependent effects, forming a distinct class of materials with unprecedented properties.
Yueyue He   +5 more
wiley   +1 more source

Estudio de modificaciones geométricas en boquillas de calderas piro y acuotubulares para la combustión eficiente de crudos pesados // Study of geometric modifications in pyro and aquatubular mouthpieces of boilers for the efficient combustion of heavy oil

open access: yesIngeniería Mecánica, 2000
Se presenta un estudio de boquillas de quemadores de calderas piro y acuotubulares. Se analizan diferentes variantes en lasdimensiones, forma y posición de los conductos de atomizador que dan paso al combustible y al fluido auxiliar en el casode ...
E. Lincheta Mesa   +2 more
doaj  

Aportes de la historia de la ciencia a la construcción de explicaciones en el aula

open access: yesRevista Científica, 2021
En este artículo se presentan los resultados de una investigación desarrollada con un grupo de docentes de ciencias naturales en ejercicio de la Institución Educativa Libertad (Pasto, Nariño).
Nayibe-Mabel Paredes-Arturo   +1 more
doaj   +1 more source

Bioinspired Mechanically Robust Organic–Inorganic Hybridized Bio‐Adhesives With up to 50% Inorganic Components by Bi‐Continuous Phase Engineering

open access: yesAdvanced Functional Materials, EarlyView.
A robust plant protein adhesive was prepared by fabricating a bi‐continuous organic–inorganic hybrid structure. Compared with traditional organic–inorganic hybrid adhesives, the addition amount of inorganic phase is increased from 0.2%–3.0% to 50%, and the strength and toughness are increased by 6 and 121 times, respectively.
Zheng Liu   +10 more
wiley   +1 more source

Contenido de azufre total del residuo agrícola de la cosecha de caña de azúcar de Tucumán, Argentina [PDF]

open access: yesRevista Industrial y Agrícola de Tucumán, 2019
Para predecir el posible comportamiento corrosivo de un combustible sólido en el interior de un generador de vapor es necesario analizar los componentes elementales que se transformarán, durante la combustión, en componentes ácidos, solubles e insolubles,
Gabriela Mistretta   +7 more
doaj  

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Control del avance del frente de llama en el lecho de sinterización de minerales de hierro

open access: yesRevista de Metalurgia, 2010
En una planta piloto de sinterización se cargan, en la paila cúbica de 40 cm de lado, 110 kg de una mezcla de minerales de hierro, caliza y coque, donde se han introducido una serie de termopares a diferentes profundidades.
A. Cores   +3 more
doaj   +1 more source

Interlayer Expansion of Bulk MoS2 via Top‐Down Organic Pillaring Enables Tunable Li+ Intercalation and Controlled Solvent Co‐Intercalation

open access: yesAdvanced Functional Materials, EarlyView.
Top‐down organic pillaring expands the interlayer spacing of bulk‐sized MoS2 particles while preserving the bulk morphology. Operando X‐ray diffraction and electrochemical dilatometry show that MoS2‐bulk undergoes solvent co‐intercalation in diglyme electrolyte, causing large structural expansion, while pillared, expanded MoS2 suppresses solvent uptake
Jaehoon Choi   +8 more
wiley   +1 more source

Evaluación de mezclas de biodiésel de Jatropha curcas (L.) en bancos de motores diésel

open access: yesPastos y Forrajes, 2018
El objetivo de este estudio fue evaluar diferentes mezclas del biodiésel extraído de Jatropha curcas (L.) en bancos de motores diésel, para su posterior uso en el transporte agrícola en Cuba. Para ello, se prepararon mezclas del combustible diésel con 5,
Indira Tobío-Pérez   +4 more
doaj  

2D Co‐Mo‐Hydroxide‐Based Multifunctional Material for the Development of H2‐Based Clean Energy Technologies

open access: yesAdvanced Materials, EarlyView.
2D α‐Co(OH)2 interleaved with Mo species displays an appealing dual functionality for the production and use of green hydrogen.Mo incorporation greatly benefits the electrochemical behaviour in Oxygen Evolution Reaction for H2 production, while the magnetocaloric response at liquid H2 temperature paves the way for alternative cryogenic refrigerants ...
Daniel Muñoz‐Gil   +14 more
wiley   +1 more source

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