Results 21 to 30 of about 224,644 (149)

Sublattice‐Resolved Magnetoelastic Coupling and Opposing Pressure Responses in the Frustrated Magnetocaloric GdMn2O5

open access: yesAdvanced Science, EarlyView.
In GdMn2O5, sublattice‐resolved EXAFS and diffraction analysis reveal pronounced spin‐phonon coupling and an unexpected opposing pressure response: the Mn‐driven Néel temperature slightly decreases while the Gd‐sublattice ordering temperature rises under pressures up to 0.86 GPa.
Romualdo S. Silva Jr.   +9 more
wiley   +1 more source

Aplicación de un CD-ROM multimedia en un laboratorio de instrumentación electrónica [PDF]

open access: yes, 2002
En este documento se presenta un CD-ROM multimedia diseñado para servir de complemento a las clases de la asignatura “Laboratorio de Instrumentación Electrónica”, de quinto curso de Ingeniero de Telecomunicación en la Escuela Superior de Ingenieros de ...
García Franquelo, Leopoldo   +2 more
core   +1 more source

Articulación de la robótica como eje de la formación interdisciplinar en el programa de Tecnología en Electrónica de la UNIMINUTO Sede Principal

open access: yesInventum Ingeniería, Tecnología e Investigación, 2014
Este trabajo describe la manera en que se articula el componente curricular profesional de acuerdo con las áreas de formación en el Programa de Tecnología en Electrónica de UNIMINUTO Sede Principal, usando la robótica como estrategia de aprendizaje y ...
Edgar A. Aguirre, Sergio González Gil
doaj   +1 more source

SPICE‐Compatible Compact Modeling of Cuprate‐Based Memristors Across a Wide Temperature Range

open access: yesAdvanced Electronic Materials, EarlyView.
A physics‐guided compact model for YBCO memristors is introduced, incorporating carrier trapping, field‐induced detrapping, and a differential balance equation to describe their switching dynamics. The model is compared with experiments and implemented in LTspice, allowing realistic circuit‐level simulations.
Thomas Günkel   +6 more
wiley   +1 more source

La historia clínica electrónica: ideas, experiencias y reflexiones [PDF]

open access: yes, 2005
Due to the need of adopting or developing a system for the electronic management of the medical histories of the Psychiatric Hospital in Havana, a review of the literature available at the national and international level was made.
Alonso Lanza, José Luis
core   +1 more source

An Analytical Design Model of a Vacuum Pressure Swing Adsorption Process for Biogas Upgrading

open access: yesChemie Ingenieur Technik, EarlyView.
A steady‐state model was developed for a vacuum pressure swing adsorption (VPSA) process comprising adsorption, depressurization, and evacuation steps. The resulting analytical plant design model provides the optimal adsorber height required to achieve a target product purity with maximum bed utilization.
Thomas Welter   +3 more
wiley   +1 more source

Production of recombinant human granulocyte‐macrophage colony‐stimulating factor in thermoinducible E. coli: Tuning inclusion body architecture and protein yield via dissolved oxygen control

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND Recombinant protein expression in Escherichia coli frequently results in the formation of inclusion bodies (IBs), which provide high protein accumulation but often require additional steps to recover functional protein. Although culture conditions strongly influence IB physicochemical and structural characteristics, the impact of ...
Ximena Gómez‐Gil   +7 more
wiley   +1 more source

Montaje de un amplificador de audio en las prácticas de electrónica analógica [PDF]

open access: yes, 2010
En esta comunicación se presenta el rediseño de las prácticas de laboratorio de la asignatura Electrónica Analógica con el objetivo de que el alumno monte un sistema de mediana complejidad. Estas prácticas son obligatorias y se realizan en sesiones de
León de Mora, Carlos   +3 more
core   +1 more source

¿Música o magia? La presentación de las ondas musicales de Maurice Martenot en España

open access: yesAnuario Musical, 2015
En 1928, el músico francés Maurice Martenot presentó un nuevo instrumento musical electrónico en la Ópera de París al que llamó ondas musicales. Siendo uno de los pocos que gozó de éxito y que atrajo para sí la atención de los compositores, Martenot puso
José Vicente Gil Noé
doaj   +1 more source

Engineering Flexible Nanofibrous Hydroxyapatite Scaffolds With Tunable Degradation and Mechanical Properties for Bone Regeneration

open access: yesSmall, EarlyView.
Conventional hydroxyapatite ceramics are brittle and poorly resorbable, limiting their use in bone repair. To overcome these limitations, flexible scaffolds are fabricated using ceramic nanofibers as structural building blocks. Adjusting nanofiber characteristics allows modulating the mechanical properties and degradation, providing a versatile ...
Raúl Agut López   +4 more
wiley   +1 more source

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