Results 41 to 50 of about 459,740 (195)

Bayesian Optimization Guiding the Experimental Mapping of the Pareto Front of Mechanical and Flame‐Retardant Properties in Polyamide Nanocomposites

open access: yesAdvanced Intelligent Discovery, EarlyView.
Bayesian optimization enabled the design of PA56 system with just 8 wt% additives, achieving limiting oxygen index 30.5%, tensile strength 80.9 MPa, and UL‐94 V‐0 rating. Without prior knowledge, the algorithm uncovered synergistic effects between aluminum diethyl‐phosphinate and nanoclay.
Burcu Ozdemir   +4 more
wiley   +1 more source

Simplificación del procesado de polvo de aluminio molido y estudio de las propiedades mecánicas de los compactos resultantes

open access: yesRevista de Metalurgia, 2001
Se ha desarrollado un nuevo método de consolidación pulvimetalúrgica de aluminio molido consistente en una desgasificación seguida de un doble ciclo de prensado y sinterización.
J. Cintas   +3 more
doaj   +1 more source

Actuation Strategies for a Wearable Cable-Driven Exosuit Based on Synergies in Younger and Older Adults

open access: yesSensors, 2022
Older adults (aged 55 years and above) have greater difficulty carrying out activities of daily living than younger adults (aged 25–55 years). Although age-related changes in human gait kinetics are well documented in qualitative terms in the scientific ...
Javier Bermejo-García   +4 more
doaj   +1 more source

Diseño de un CD Interactivo Didáctico sobre las Propiedades Mecánicas de Materiales Plásticos [PDF]

open access: yes, 2005
La aparición de nuevas tecnologías abre nuevos caminos de enseñanza a los estudiantes, permitiendo la creación de nuevas herramientas de aprendizaje con las que se obtienen productos a medida para cada una de las necesidades específicas de la enseñanza.
Pujadas Torner, Jordi   +1 more
core  

Synergetic Combination of Carbon Xerogels, Graphene Oxide and nano‐ZnO for Aqueous and Organic Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez   +5 more
wiley   +1 more source

Actividades preventivas en un gasoducto [PDF]

open access: yes, 2012
En el presente Trabajo Fin de Máster se tratan temas preventivos en un gasoducto de alta presión, desde el momento previo a su puesta en servicio como todo el mantenimiento preventivo que dicho gasoducto genera.
Valles Pérez, Miriam
core   +1 more source

Eco‐Innovation: Drivers and Obstacles for Agriculture Firms in a Developing Country

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Sustainable agriculture is becoming increasingly vital for food security and economic growth, particularly as the agricultural sector grapples with challenges posed by climate change. This study, grounded in the environmental innovation theory, resource‐based view, and dynamic capabilities approach, uses logistic and multinomial logistic ...
Nelyda Campos‐Requena   +4 more
wiley   +1 more source

Morfología de la cementita en aceros arqueológicos que han sufrido incendio

open access: yesRevista de Metalurgia, 2013
Se presenta un estudio metalográfico de piezas arqueológicas de acero, encontradas en distintos yacimientos arqueológicos, cuyas microestructuras características revelan que se han visto afectadas por niveles de incendio.
A. J. Criado-Martín   +5 more
doaj   +1 more source

Applicability of near-field electrospinning for the development of TCP-based thin fibres and scaffold 3D printing

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2023
A novel method for obtaining ceramic (tricalcium phosphate, TCP) fibres with a small diameter (below 0.1 mm) is proposed and its potential use in the 3D printing of scaffolds for biomedical applications is explored.
M. García-Galán   +4 more
doaj   +1 more source

Manual de guías de laboratorio enfocadas al control de calidad de materiales y tecnología del concreto [PDF]

open access: yes, 2014
Trabajo de InvestigaciónEn la actualidad el laboratorio de Ingeniería Civil no cuenta con manuales de consulta que ilustren los ensayos que se ejecutan a los componentes del concreto hidráulico siguiendo los parámetros de las normar técnicas colombianas.
Gómez-Calderón, Julián Alonso   +1 more
core  

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