Results 21 to 30 of about 6,113,621 (257)
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
Proposta de classificação para avaliar a qualidade dos dados censitários dos centenários
O objetivo deste estudo consistiu em propor uma classificação que permita avaliar a qualidade da contagem censitária dos idosos centenários, a partir de determinados indicadores para contingentes populacionais regionais do mundo.
Juliana Barbosa Medeiros +1 more
doaj +1 more source
Revolutionising textile manufacturing: a comprehensive review on 3D and 4D printing technologies
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
Semiconductor sources: comparison between LED and LD [PDF]
openL'elaborato ha lo scopo di mettere a confronto le due sorgenti a semiconduttore analizzando in primo luogo il funzionamento di una giunzione PN. Si descrive poi il principio base di funzionamento per i dispositivi LED e laser discutendone la capacità
LEONARDI, FILIPPO
core
We fabricated a hybrid plasmonic device using self-imaging effect between guided light and surface plasmon polaritons in the hybrid plasmonic waveguide.
Hiroyuki Okamoto +4 more
doaj +1 more source
Reescritura en pareja: una tarea de aprendizaje inicial de lo escrito
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
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld +5 more
wiley +1 more source
Blue light emitting diode internal and injection efficiency
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
Central Nervous System Tumors Among Infants in Canada: A Report From CYP‐C
ABSTRACT Background Central nervous system (CNS) tumors in infants are rare, pose unique clinical challenges, and lack large‐scale evidence‐based data to guide management. This study seeks to describe CNS tumors in Canadian infants and to compare their outcomes with those of older children.
Samuel Sassine +17 more
wiley +1 more source
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

