Results 41 to 50 of about 12,603,366 (384)

Reescritura en pareja: una tarea de aprendizaje inicial de lo escrito

open access: yesCLIL Journal of Innovation and Research in Plurilingual and Pluricultural Education, 2020
En este artículo se presenta una tarea de reescritura de textos en pareja de dos niños en los momentos iniciales del proceso de aprendizaje del lenguaje escrito (entre 5 y 7 años).
Giovanna Ottin Pecchio
doaj   +1 more source

Luminescent Characteristics of Blue Phosphor CaAl2Si2O8:Eu2+ in White LED Applications by Solid State Method

open access: yesMATEC Web of Conferences, 2017
Using the solid state reaction method, we synthesize the Ca0.88Al2Si2O8:Eu2+0.12 phosphor powders at different sintering temperatures ranging from 1100 to 1500 °C.
Lee Joo Hyun   +2 more
doaj   +1 more source

Revolutionising textile manufacturing: a comprehensive review on 3D and 4D printing technologies

open access: yesFashion and Textiles, 2023
An exhaustive and integrative overview of recent developments in 3D and 4D textiles based on Additive Manufacturing (AM) were provided in order to identify the current state‐of‐the‐art.
João P. Manaia   +2 more
doaj   +1 more source

Mini-LED and Micro-LED: Promising Candidates for the Next Generation Display Technology

open access: yesApplied Sciences, 2018
Displays based on inorganic light-emitting diodes (LED) are considered as the most promising one among the display technologies for the next-generation.
Tingzhu Wu   +9 more
semanticscholar   +1 more source

A sub-critical barrier thickness normally-off AlGaN/GaN MOS-HEMT [PDF]

open access: yes, 2014
A new high-performance normally-off gallium nitride (GaN)-based metal-oxide-semiconductor high electron mobility transistor that employs an ultrathin subcritical 3 nm thick aluminium gallium nitride (Al0.25Ga0.75N) barrier layer and relies on an induced ...
Al-Khalidi, Abdullah   +7 more
core   +1 more source

Novel readout circuit architecture for CMOS image sensors minimizing RTS noise [PDF]

open access: yes, 2011
This letter presents a novel readout architecture and its associated readout sequence for complementary metal–oxide– semiconductor (CMOS) image sensors (CISs) based on switch biasing techniques in order to reduce noisy pixel numbers induced by in-pixel
Magnan, Pierre   +1 more
core   +1 more source

Quantification of collagen fiber properties in alcoholic liver fibrosis using polarization-resolved second harmonic generation microscopy

open access: yesScientific Reports, 2023
Liver fibrosis is assessed mainly by conventional staining or second harmonic generation (SHG) microscopy, which can only provide collagen content in fibrotic area.
Saya Matsuzaki   +11 more
doaj   +1 more source

Fabrication and characterization of the charge-plasma diode [PDF]

open access: yes, 2010
We present a new lateral Schottky-based rectifier called the charge-plasma diode realized on ultrathin silicon-oninsulator. The device utilizes the workfunction difference between two metal contacts, palladium and erbium, and the silicon body.
Hemert, T. van   +5 more
core   +2 more sources

Blue light emitting diode internal and injection efficiency

open access: yesAIP Advances, 2012
A simple experimental method of light emitting diode (LED) injection efficiency (IE) determination was suggested. IE and internal quantum efficiency (IQE) calculation is an actual and difficult problem in LED science.
Ilya E. Titkov   +3 more
doaj   +1 more source

Approaches to Sex Education: Peer-Led or Teacher-Led? [PDF]

open access: yesPLoS Medicine, 2008
David Ross discusses a new study of school-based peer-led sex education in London and whether it reduced unintended teenage pregnancy.
openaire   +5 more sources

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