Results 21 to 30 of about 68,463,961 (309)

3D Printing of Self‐Healing Polymers by Material Extrusion: A Process‐Centric Review of Setups, Parameters, and Applications

open access: yesAdvanced Robotics Research, EarlyView.
This review highlights recent advances in material extrusion 3D printing of self‐healing polymers, focusing on the interplay between material chemistry, rheology, hardware customization, and process optimization. Filament‐ and ink‐based extrusion strategies, multimaterial architectures, and postprocessing approaches are discussed for applications in ...
Antonio Pavone   +2 more
wiley   +1 more source

Electrolyte–Framework Matching in High‐Voltage TEMPO‐COF Cathodes for Lithium Batteries

open access: yesAdvanced Science, EarlyView.
TEMPO‐functionalized covalent organic frameworks are investigated as high‐voltage cathodes for lithium batteries. Screening five electrolyte anions identifies lithium difluoro(oxalato)borate (LiDFOB) as the optimal electrolyte, balancing capacity, rate capability, and cycling stability, while buckypaper electrodes achieve high mass loading (40 mg cm−2)
Marilyn Esclance DMello   +5 more
wiley   +1 more source

Sistema de control de pago de matrículas y aranceles de la Universidad de las Regiones Autónomas de la Costa Caribe Nicaragüense, Recinto Las Minas, 2015

open access: yesCiencia e Interculturalidad, 2016
Se desarrolló un sistema de control de pagos de matrículas y aranceles de los estudiantes en la URACCAN, Recinto las Minas Siuna, que almacena la información de forma efectiva. Automatiza, registra y brinda información en tiempo real.
Esmir Noel Roque Castellano   +2 more
doaj   +1 more source

Characterizing Biopolymer Electrolytes in Zinc–Air Batteries: Challenges, Best Practices, and a Robust Workflow Guiding Future Research Paths

open access: yesAdvanced Energy Materials, EarlyView.
Bio‐based gel polymer electrolytes promise sustainable, mechanically adaptable zinc–air batteries, yet their progress is constrained by inconsistent characterization. This review critically links formulation, structure, interfaces, and cell performance, identifies methodological gaps under alkaline operating conditions, and proposes application ...
Matteo Milanesi   +6 more
wiley   +1 more source

Sistema de ensaio de desempenho de incubadora neonatal [PDF]

open access: yes, 2007
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.O presente trabalho aborda o desenvolvimento de um protótipo para ensaio de desempenho de incubadoras neonatais de forma
Oliveira, Mário Anderson de
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Do More Open Economies Export Less Diversely in Brazilian Agribusiness?

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper asks whether municipalities with a larger export‐to‐revenue ratio display a more concentrated bundle of exported goods in Brazilian agribusiness. Recent advances in export imputation for Brazilian municipalities allow for an analysis of the concentration profile of each municipality and its association with export openness.
Alan Leal, Michelle Marcia Viana Martins
wiley   +1 more source

Shazam! podcast del sistema Nacional de Bibliotecas SENA. 3 : érase una vez

open access: yes, 2020
En esta tercera entrega de la serie de podcast “Shazam!”, la Gestora Sistema de Bibliotecas del SENA, Martha Luz Gutiérrez narra la historia de las bibliotecas de la entidad desde las primeras bibliotecas llamadas “unidades de información técnica”, los ...

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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

Sistemas de control de heladas

open access: yes, 2022
Las heladas tardias son una seria amenza para la producción de cerezas, ya que pueden afectar un alto porcentaje de los rendimientos. Por ejemplo, en la temporada 1996/97, los efectos de una helada tardía en el valle de Los Antiguos ocacionan una pérdida de un 70% de la producción con respecto ala campaña anterior.
Manavella, Fernando Ariel   +1 more
openaire   +1 more source

Shazam! podcast del sistema Nacional de Bibliotecas SENA. 1 : un héroe atípico

open access: yes, 2020
Shazam es el héroe que ha venido a salvar a todos de la desinformación, en este, primer podcast del Sistema de Bibliotecas SENA titulado “Shazam” se trataran temas sobre novedades, tecnología, biblioteca y prospectiva, bibliotecas itinerantes y se narra ...

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