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The Concept of Number and Magnitude in Ancient Greek MathematicsDo Conceito de Número e Magnitude na Matemática Grega Antiga
(Universidad de Valparaíso, 2017)
Singularities Analysis of the Jacobian Matrix Modified in the Continuation Power Flow: Performance Evaluation
(2017-11-01)
In the literature, a study to analyze stability and voltage instability is related to the P-V curve (power versus voltage magnitude) and the maximum loading point (MLP) (point on the curve that separates the stable operation ...
Magnitude Scaling of Early-Warning Parameters for the Mw 7.8 Tocopilla, Chile, Earthquake and Its Aftershocks
(2011-04)
We studied the correlation between the final event magnitude and four
parameters obtained from the early portion of P and S phases for a set of high quality
subduction events. These relationships are used in the framework ...
Number processing skill trajectories in children with specific language impairmentTrayectorias de habilidades de procesamiento de números en niños con problemas de lenguaje específico
(Colegio Oficial de Psicólogos del Principado de Asturias / Universidad de Oviedo, 2020)
Number processing skill trajectories in children with specific language impairmentTrayectorias de habilidades de procesamiento de números en niños con problemas de lenguaje específico
(Colegio Oficial de Psicólogos del Principado de Asturias / Universidad de Oviedo, 2020)
Singularities Analysis of the Jacobian Matrix Modified in the Continuation Power Flow: Mathematical Modeling
(2016-12-01)
In recent years, the concern for voltage stability issue has gained global highlighted when referring to the energy sector industry, this is because this issue is related to the operation and planning of electrical power ...
An Improved Parameterization Technique for the Continuation Power Flow
(IEEE, 2010-01-01)
Continuation methods have been long used in P-V curve tracing due to their efficiency in the resolution of ill-conditioned cases, with close to singular Jacobian matrices, such as the maximum loading point of power systems. ...
Blue upconversion enhancement by a factor of 200 in Tm 3+-doped tellurite glass by codoping with Nd 3+ ions
(2002-11-15)
We investigated near-infrared-to-blue upconversion from thulium (Tm 3+) doped in tellurite glasses upon continuous wave excitation near 800 nm. We observed an enhancement of over two orders of magnitude of the upconverted ...