Results 151 to 160 of about 60,013 (249)

Control Adaptativo del Inversor Boost

open access: yes, 2007
En este art'ıculo se dise˜na un control adaptativo para tratar la carga resistiva desconocida del inversor boost no lineal. Este control adaptativo se obtiene utilizando un observador de estado en uno de los lados del inversor y midiendo las variables de estado. Para analizar la estabilidad del sistema completo se recurre al an'alisis de perturbaciones
Albea-Sanchez, Carolina   +2 more
openaire   +1 more source

Adipokines and Associations With Incident Osteoporotic Fracture in Patients With Rheumatoid Arthritis

open access: yesArthritis Care &Research, EarlyView.
Objective We assessed whether circulating adipokines are associated with incident fractures in patients with rheumatoid arthritis (RA). Methods Three adipokines (adiponectin, leptin, and fibroblast growth factor [FGF]‐21) were measured using banked enrollment serum from participants in a longitudinal RA cohort.
Joshua F. Baker   +9 more
wiley   +1 more source

Diseño de un inversor monofásico con topología H5

open access: yesMaskana, 2016
RESUMEN Este artículo estudia el diseño de un convertidor DC/AC de baja potencia para aprovechamiento de energía eléctrica proveniente de fuentes renovables.
Diego A. Toledo O.   +3 more
doaj  

Exploring Patients’ Profiles Associated With the Resolution of Acute Calcium Pyrophosphate Arthritis Treated With Colchicine and Prednisone: Post Hoc Analysis of a Randomized Controlled Trial

open access: yesArthritis Care &Research, EarlyView.
Objective The objective was to identify factors determining acute arthritis resolution and safety with colchicine and prednisone in acute calcium pyrophosphate (CPP) crystal arthritis. Methods We conducted a post hoc analysis of the COLCHICORT trial, which compared colchicine and prednisone for the treatment of acute CPP crystal arthritis, using a ...
Tristan Pascart   +14 more
wiley   +1 more source

Serum Soluble Mediator Signatures of Lupus Nephritis: Histologic Features and Response to Treatment

open access: yesArthritis Care &Research, EarlyView.
Objective Lupus nephritis (LN) management remains challenging, and novel noninvasive biomarkers are needed. This study quantified serum soluble mediators in the Accelerating Medicines Partnership (AMP) LN cohort to identify biomarkers of histologic features and treatment response.
Andrea Fava   +48 more
wiley   +1 more source

Inversores en aplicaciones fotovoltaicas

open access: yes, 2018
Análisis de topologías, con y sin transformador, y configuraciones de inversores destinados a aplicaciones fotovoltaicas.
openaire   +1 more source

Comparação técnico-económica entre sistemas com inversores centrais e sistemas com inversores string

open access: yes, 2014
Devido ao aumento da importância da energia solar a nível mundial e à crescente demanda energética, tem-se verificado uma contínua aposta em parques fotovoltaicos cada vez maiores por todo o mundo, sendo necessário otimizar cada vez mais as soluções para que a eficiência seja maior e consequentemente o lucro também.
openaire   +1 more source

México, un inversor estratégico para España

open access: yesBoletín Económico de ICE
México es uno de nuestros principales socios comerciales y uno de nuestros destinos prioritarios de inversión. Desde hace al menos dos décadas se ha convertido además en uno de los principales inversores en nuestro país. El anuncio de operaciones que acaparan titulares en prensa por parte de empresas y grandes empresarios mexicanos, la consolidación de
Álvaro Pastor Escribano   +2 more
openaire   +1 more source

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