Buscar
Mostrando ítems 21-30 de 56000
Efeitos da compensação série na capacidade de sincronização em sistemas multimáquinas
(Universidade Estadual Paulista (Unesp), 2010-11-29)
Os efeitos de compensação série em uma linha de transmissão sobre a potência sincronizante entre máquinas de um sistema de energia elétrica são considerados mediante análises da matriz admitância de barra, focando as ...
Influencia de la variabilidad climática sobre la producción de café (Coffea arabica L.) en Honduras
(2013-06-03)
The research objective was to determinate the effect of the climate variables: annual rainfall, average annual temperature, temperature and precipitation; recorded against the different coffee phenology stages; and with ...
Influencia de la variabilidad climática sobre la producción de café (Coffea arabica L.) en Honduras
(2013-06-03)
The research objective was to determinate the effect of the climate variables: annual rainfall, average annual temperature, temperature and precipitation; recorded against the different coffee phenology stages; and with ...
“The effect of free emergency contraception availability on adolescent pregnancy and female labour force participation in Chile
(Universidad de Chile, 2022)
This document analyzes the effect of the expansion in availability of the emergency con-
traceptive pill (ECP) between 2011 and 2017 in a middle income country setting. Exploiting
variation in ECP availability across ...
Long-run effects of lengthening the school day on students’academic achievement : a longitudinal study of full day school reform in Chile"
(Universidad de Chile, 2019-05)
This paper studies the effects of a large and gradual increase in the Chilean school
day over students ’academic achievement. I exploit a gradual and exogenous variation
produced by the reform with ani nnovative measure ...
The effectiveness of job search activation policies : the case of Barcelona Activa's job orientation and job search service
(Universidad de San Andrés. Departamento de Economía, 2020-09)
This paper analyzes the effectiveness of a job search program using instrumental variables.
The instruments used are travel time in public transport to the place where activities are
done, and difference between enrollment ...
Probing the Unruh effect
(Universidade Estadual Paulista (Unesp), 2020-07-23)
A teoria quântica de campos em espaços-tempos curvos (TQCEC) e a gravitação semi-clássica são os melhores arcabouços teóricos que temos atualmente para entender fenômenos que envolvam a interação entre a física gravitacional ...