Results 101 to 110 of about 489,611 (243)

Estudio del grado de dispersión de las arcillas del Área Metropolitana del Gran Resistencia

open access: yes, 2015
En el ámbito de la Ingeniería Civil y de muchos otros campos del conocimiento, se precisa tener Información rigurosa de algunas o todas las propiedades del suelo.
Zaracho, Juan Ignacio   +2 more
core  

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

Dispersión y número Abbe

open access: yes, 2006
Las alternativas que existen en cuanto a materiales y diseños de lentes oftálmicos, hacen que el decidir el lente ideal para una determinada prescripción sea una tarea difícil, claro está, si no se conocen a fondo las propiedades ópticas y físicas de los
Perdomo, Claudia   +1 more
core  

A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection

open access: yesAdvanced Engineering Materials, EarlyView.
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan   +9 more
wiley   +1 more source

Historical explanation of the origin of the herpetofauna of Mexico Explicación histórica del origen de la herpetofauna de México

open access: yesRevista Mexicana de Biodiversidad, 2009
A hypothesis of historical area relationships for Mexico, Central, and South America was investigated by a cladistic biogographic analysis using 10 taxon cladograms of the herpetofauna of Mexico.
Oscar Flores-Villela   +1 more
doaj  

De la creación del Museo Arqueológico de Medina Sidonia (Cádiz) [PDF]

open access: yesBoletín del Museo Arqueológico Nacional, 2017
El Museo Arqueológico de Medina Sidonia –MAMS– es una institución de ámbito local dependiente del Ayuntamiento de Medina Sidonia (Cádiz). De reciente creación –no cuenta con más de cinco años de existencia–, nace con la vocación de mostrar y difundir en ...
Salvador Montañés Caballero
doaj  

Prediction of Surface Topography Parameters in Direct Laser Interference Patterning of Stainless Steel Using Infrared Monitoring and Convolutional Neural Networks

open access: yesAdvanced Engineering Materials, EarlyView.
This study presents an infrared monitoring approach for direct laser interference patterning (DLIP) combined with a convolutional neural network (CNN). Thermal emission data captured during structuring are used to predict surface topography parameters.
Lukas Olawsky   +5 more
wiley   +1 more source

Web of Science vs. SCOPUS: un estudio cuantitativo en Ingeniería Química

open access: yesAnales de Documentación, 2010
El propósito de este estudio es ofrecer a los investigadores químicos, una visión clara y práctica, aplicando métodos cuantitativos, sobre las dos plataformas de información científica más extendidas hoy día: Web of Science (Thomson Reuters) y Scopus ...
María Isabel Escalona Fernández   +2 more
doaj  

Zein‐Based Adhesives: Sustainable Extraction and Application in Bioadhesive Technologies

open access: yesAdvanced Engineering Materials, EarlyView.
Zein is extracted from corn gluten meal using a simple and scalable process with high yield (~90%). The resulting protein is applied in bioadhesives modified with Ca2+ and Fe3+ ions, exhibiting substrate‐dependent adhesion. The findings demonstrate competitive bonding performance and highlight the role of ionic interactions in tuning adhesion ...
Paula Bertolino Sanvezzo   +3 more
wiley   +1 more source

Efectos de dispersión a primer orden y SRS sobre un pulso con polarización circular dentro de un NOLM con fibra torcida en lazo

open access: yes, 2013
A theoretical analysis is presented in order to study the influence of both First Order Dispersion, and Stimulated Raman Scattering (SRS) on the transmittance of a Nonlinear Optical Loop Mirror (NOLM) made of twisted fiber with low birefringence.
Balder Arturo Villagómez Bernabe   +3 more
core  

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