Results 11 to 20 of about 2,270 (179)
El uso del Factor de Impacto está siendo descartado en los países industrializados donde, por citar un ejemplo, hasta un 40 % de los artículos aparecidos en Nature jamás son citados, pese al alto Factor de Impacto de esa revista. En América Latina se usa
Julián Monge-Nájera
doaj +2 more sources
Efecto de las citas de revistas Emerging Source Citation Index en el Factor de Impacto.
Objetivo: analizar el efecto que tienen las citas provenientes de revistas de la colección Emerging Sources Citation Index en el valor del Factor de Impacto de las revistas latinoamericanas incluidas en los Journal Citation Reports.
Orlando Gregorio-Chaviano +5 more
doaj +3 more sources
LA REVISTA MEXICANA DE BIODIVERSIDAD, PREVIAMENTE CONOCIDA COMO ANALES DEL INSTITUTO DE BIOLOGÍA DE LA UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO, HA SIDO INCORPORADA RECIENTEMENTE A LA WEB OF SCIENCE. SU FACTOR DE IMPACTO PARA EL 2007 ES 0.327, EL CUAL ES
JUAN J. MORRONE, LAYLA MICHAN
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La Revista Mexicana de Biodiversidad, previamente conocida como Anales del Instituto de Biología de la Universidad Nacional Autónoma de México, ha sido incorporada recientemente a la Web of Science.
Layla Michán, Juan J. Morrone
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Análisis del factor de impacto de las revistas científicas latinoamericanas [PDF]
Few Latin-American journalsare included in the Thomson ISI data base. The mean impact factor was 0.76 (0.23-3.2) foreight Mexican journals, 0.66 (0.10-2.1) for eight Chilean journals, 0.39 (0.06-0.7) for fiveArgentinian journals and 0.41 (0.09-1.1) for 16 Brazilian journals.
Téllez-Zenteno, José F +2 more
openaire +2 more sources
This article examines the evolution and transformation of female religious life in Spain under Franco's regime, which began after the Spanish Civil War in 1939 and ended with the dictator's death in 1975. During the dictatorship, the public stance towards Catholicism made consecrated religious life one of the potential social undertakings for women at ...
Verónica García‐Martín
wiley +1 more source
Abstract Dietary recommendations are developed from the best available scientific evidence on the effect of nutrients and food on health. These recommendations take into account that the effect of food depends not only on its nutritional content but also on the matrix in which is ingested, the alterations during the culinary process, the presence of ...
Esther López García +11 more
wiley +1 more source
Roadkill patterns in Latin American birds and mammals
Abstract Aim Roads are a major threat for wildlife, degrading habitat and causing mortality via wildlife–vehicle collisions. In Latin America, the conjunction of high biodiversity and a rapidly expanding road network is reason for concern. We introduce an approach that combines species traits and habitat preferences to describe vulnerability and map ...
Pablo Medrano‐Vizcaíno +6 more
wiley +1 more source
El factor de impacto de las revistas científicas: limitaciones e indicadores alternativos [PDF]
Impact Factor measures the average number of times that articles published in the last two years are cited in the current year. In spite of its limitations, the evaluation agencies of some countries like Spain use it in research assessment, generating a deep unease within some circles that consider its use inappropriate and indiscriminate.
Juan-Carlos Valderrama-Zurián +2 more
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Resumen Aunque se han hecho avances en el desarrollo y aplicación a gran escala de intervenciones eficaces contra la obesidad infantil, los retos siguen siendo importantes. Nuestro objetivo era comprender las causas del éxito de Estados Unidos y los países latinoamericanos en la implementación de políticas y programas (PYP) contra la obesidad e ...
Rafael Pérez‐Escamilla +6 more
wiley +1 more source

