Results 111 to 120 of about 799,080 (258)

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

Journal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis, Jorge A. Dergam, Amanda F. Cunha, Valéria N. Machado, Tomas Hrbek, Natállia M. de F. Vicente, Victor de Queiroz, Elisabeth Henschel   +7 more
wiley   +1 more source

A new catfish species of Microcambeva Costa & Bockmann, 1994 (Siluriformes: Trichomycteridae) from southern Brazil, with a redescription of M. ribeirae Costa, Lima & Bizerril, 2004

Journal of Fish Biology, EarlyView.
Abstract Among the few species of Microcambeva reported as occurring in more than one hydrographic basin, M. ribeirae has been previously listed from both the Ribeira de Iguape and the Guaraqueçaba basins. However, morphological and molecular analyses revealed that the specimens from Guaraqueçaba represent a new species, which is described in this ...
Lucas S. de Medeiros, Igor C. A. Souto‐Santos, Paulo A. Buckup, Juliano Ferrer, Vinicius J. C. Reis, Mario de Pinna, Sergio M. Q. Lima   +6 more
wiley   +1 more source

Sistema Nacional de Innovación y la planificación de los subsistemas de capital. La política tecnológica como capítulo de una estrategia de desarrollo en el presente latinoamericano

Enfoques, 2016
Pretendemos adentrarnos en la reflexión teórica acerca de la posibilidad de concebir un plan de desarrollo nacional para los países latinoamericanos en un escenario económico mundial que tiene como uno de sus rasgos distintivos a la vertiginosa ...
María del Pilar Piqué
doaj  

End-to-end speech translation system with attention-based mechanisms

Speech Recognition and Text-to-Text Translation systems have been improving significantly in recent decades thanks to the improvement of both hardware and software means.
Cros Vila, Laura
core  

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

Journal of Fish Biology, EarlyView.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro, Raquel Lopes Queiroz, Cristiéle da Silva Ribeiro   +2 more
wiley   +1 more source

Desarrollo de un sistema de visión artificial para la detección de microexpresiones faciales asociadas al dolor

Ciencia y Educación
El dolor se evalúa con frecuencia mediante escalas subjetivas, lo que reduce la precisión y aumenta la variabilidad clínica. En este estudio se desarrolló y evaluó un sistema de visión artificial para detectar microexpresiones faciales asociadas al ...
Yadira Abigail Tutasig Ushiña, Luis Geovanny Romero Mejía   +1 more
doaj  

ESTILOS DE LIDERAZGO Y RESULTADOS DEL SISTEMA DE MEDICIÓN DE LA CALIDAD DE LA EDUCACIÓN: UN ESTUDIO EMPÍRICO EN LOS COLEGIOS BÁSICOS DE LA CIUDAD DE ARICA-CHILE LEADERSHIP STYLES AND RESULTS OF EDUCATION QUALITY MEASURING SYSTEM: AN EMPIRICAL STUDY IN ARICA-CHILE ELEMENTARY SCHOOLS

Ingeniare: Revista Chilena de Ingeniería, 2009
La presente investigación pretende estudiar si existe o no una relación estadísticamente significativa entre los estilos de liderazgo y los resultados que los estudiantes obtienen en la prueba nacional del sistema de medición de la calidad de la ...
Liliana Pedraja-Rejas, Emilio Rodríguez-Ponce, Manuel Barreda Olavarría, Omar Sagredo Núñez, Cristian Segovia León   +4 more
doaj  

Hedger of Last Resort: Evidence from Brazilian FX Interventions, Local Credit, and Global Financial Cycles

The Journal of Finance, EarlyView.
ABSTRACT We show that FX interventions can be effective, particularly in attenuating global financial spillovers. We exploit global financial shocks and Brazilian central bank interventions in FX derivatives using three matched administrative registers: bank credit (to firms), foreign credit to banks, and employer‐employees. After the U.S.
RODRIGO BARBONE GONZALEZ, DMITRY KHAMETSHIN, JOSÉ‐LUIS PEYDRÓ, ANDREA POLO   +3 more
wiley   +1 more source

La dinámica de un territorio: evolución del espacio rural de Jaén desde época romana hasta la repoblación castellana

Studia Historica. Historia Medieval, 2009
RESUMEN: Este artículo estudia de manera diacrónica la evolución del territorio en torno a Jaén desde el final de la época romana hasta la conquista y repoblaáón cristíana.
Eva María ALCÁZAR HERNÁNDEZ
doaj  

AI Platforms as Cooperation Enablers Favoring the Development of Strategic Situating Capabilities Within Solution Delivery Ecosystems

Journal of Product Innovation Management, EarlyView.
ABSTRACT Academic Summary By integrating artificial intelligence (AI) platforms into their processes, firms aim to enhance their strategic capabilities and gain a competitive advantage. This study investigates the impact of such platforms on value generation within solution‐based strategies, proposing two connected mechanisms.
Yancy Vaillant, Esteban Lafuente, Ferran Vendrell‐Herrero   +2 more
wiley   +1 more source