Results 101 to 110 of about 2,792 (202)

Análisis estadístico de los factores asociados al éxito y fracaso en matemáticas y estadística en estudiantes universitarios [PDF]

open access: yes, 2016
El bajo rendimiento de los estudiantes universitarios no solo depende de sus habilidades cognitivas y desempeño en el curso, en él puede intervenir diversos factores que conllevan a no tener buenos resultados, en concordancia a lo referenciado con ...
Jiménez, Estiven José
core  

3D Printing of Highly Dense and Translucent Zirconia Parts for Dental Applications: Effect of Filament Overlapping

open access: yesAdvanced Materials Technologies, EarlyView.
This study formulated a 5Y‐PSZ zirconia paste for extrusion‐based additive manufacturing via direct ink writing, producing dense ceramic structures for dental applications. A colloidal approach with 47 vol% nanometric powder and tailored additives optimized rheology and printability.
Juliana de Freitas Gouveia Silva   +5 more
wiley   +1 more source

Aprendiendo matemáticas financieras desde la prensa [PDF]

open access: yes, 2016
Atendiendo al desinterés y bajos niveles de rendimiento académico en el área de matemática de los estudiantes en la institución educativa Normal Superior de Sincelejo, se puso en marcha este proyecto, que tuvo como propósito principal, interesar a ...
Bertel, Judith
core  

3D Printed PEDOT:PSS‐Based Lattice Pressure Sensors With Tunable Electromechanical Response

open access: yesAdvanced Materials Technologies, EarlyView.
poly(3,4‐ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS)‐based architected lattices are fabricated via single‐step Digital Light Processing (DLP) printing for tunable pressure sensing. Structural design variations allow precise control of sensitivity and range, while integrated conductivity eliminates post‐processing.
Ozan Karakaya   +9 more
wiley   +1 more source

Respiratory Signal Processing and Analysis Using Flexible Capacitive Sensor Data

open access: yesAdvanced Materials Technologies, EarlyView.
Capacitive pressure sensors based on poly(glycerol sebacate) (PGS) substrates are developed for continuous, non‐invasive respiratory monitoring. Integrated with a signal processing algorithm, they enable accurate tracking of thoracic expansion and retraction.
Bernardo A. Vicente   +3 more
wiley   +1 more source

Deaf people as a cultural and linguistic minority [PDF]

open access: yes, 2014
El modelo médico de la discapacidad busca rehabilitar al deficiente auditivo. Se considera que son enfermos que requieren normalización o asimilación con el resto de la sociedad.
Pérez de la Fuente, Oscar
core   +2 more sources

Lead‐Free Bismuth Halide Perovskite Memristors: Low‐Voltage Switching and Physical Modeling of Resistive Hysteresis

open access: yesAdvanced Materials Technologies, EarlyView.
Lead‐free bismuth halide perovskite memristors exhibit stable low‐voltage resistive switching behavior. The conductance‐activated quasi‐linear memristor model quantitatively reproduces the experimental hysteresis, confirming ion migration‐driven filament dynamics.
So‐Yeon Kim   +4 more
wiley   +1 more source

The Variant rs1784042 of the SIDT2 Gene is Associated with Metabolic Syndrome through Low HDL-c Levels in a Mexican Population. [PDF]

open access: yesGenes (Basel), 2020
León-Reyes G   +8 more
europepmc   +1 more source

Experiencia de covariación a partir del recubrimiento de superficies [PDF]

open access: yes, 2014
En esta comunicación se expresan los aspectos que los profesores del área de matemáticas del colegio Champagnat de Bogotá, tuvieron en cuenta para el diseño de una secuencia de tareas y las implicaciones que este diseño tiene sobre el currículo de
Guacaneme, Edgar Alberto   +6 more
core  

Printed Organic Thermoelectric Generators: Progress and Challenges Towards Efficient Energy Harvesting

open access: yesAdvanced Materials Technologies, EarlyView.
Printed organic thermoelectric generators (OTEGs) enable flexible and sustainable energy harvesting from low‐grade heat. This Perspective critically assesses recent advances in printable thermoelectric materials, 2D and 3D device architectures, and current performance limits of printed OTEGs.
Vijitha Ignatious   +5 more
wiley   +1 more source

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