Results 11 to 20 of about 1,367,882 (208)
Un problema real, la basura espacial [PDF]
, 2018 [ES] Desde el lanzamiento del primer satélite en 1957, el número de satélites y objetos artificiales puestos en órbita no ha hecho más que aumentar a un ritmo exponencial, generando una enorme cantidad de basura que se encuentra en órbita terrestre ...
Sánchez López, Javier
core +2 more sources
Cervezas Amargas: un problema de orientación espacial resuelto
Revista de Química, 2013 La determinación de la estereoquímica en los compuestos orgánicos ha sido un problema que la comunidad científica ha ido dando solución a lo largo de los años.
Juan Pablo Medina
doaj +3 more sources
La escala y su importancia en el análisis espacial
Ecosistemas, 2006 La escala y su importancia en el análisis espacial. El concepto de escala subyace a cualquier cometido de análisis espacial en ecología debido a que la heterogeneidad ecológica depende de la escala.
D. García
doaj +1 more source
, 2023 Material suplementario de “Impacto de la heterogeneidad espacial del tráfico de red en el problema del apagado de celdas en redes ultra-densas”
Jesús Galeano-Brajones (12480189)
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Revista Mexicana de Ciencias Agrícolas, 2023 El cultivo de aguacate se ha visto afectado por diversas plagas y enfermedades lo que ha limitado su comercialización. A causa de ello se ha generado el uso indiscriminado de productos químicos por parte de los productores, lo que ha provocado gran contaminación ambiental, aumento en los costos de producción y la presencia de residuos de pesticidas en ...
Nancy Martínez-Martínez +4 more
openaire +1 more source
Regional News, Regional Bias? Evidence From Media Discourses and Welfare Decisions in Germany
Policy Studies Journal, Volume 54, Issue 4, November 2026.ABSTRACT How do media representations of immigrants shape their treatment by street‐level bureaucrats? Despite a uniform federal legal framework, decision‐making varies substantially across local welfare offices. Though prior research links national news reporting and policy implementation, little is known about how regional variation in news reporting
Stefanie Rueß
wiley +1 more source
Antipode, Volume 58, Issue 5, September 2026.ABSTRACT While Black and visual geographies have examined the image's racial and spatial power, more work is needed to analyze how racial frames of view become spatially embedded. This paper advances such a practice by analyzing news images of homelessness in Oakland.
Clara Pérez Medina
wiley +1 more source
Out of Sight, Out of Mind? The Impact of Issue Proximity on Policy Choice at the Individual Level
Review of Policy Research, Volume 43, Issue 5, September 2026.ABSTRACT Scholars have extensively studied the link between issue definition and policy choice. However, empirical evidence on the role of issue proximity on policy support at the individual level remains scarce. The study draws on policy and management literatures to examine whether framing an issue as more or less spatially proximate to an individual
Vaiva Kalesnikaite, Ana Maria Dimand
wiley +1 more source
O MTCR e o desenvolvimento do VLS brasileiro: do início do Programa Espacial ao final do governo FHC [PDF]
, 2016 TCC (graduação) - Universidade Federal de Santa Catarina. Centro Sócio-Econômico. Relações Internacionais.Este estudo trata-se de uma revisão de literatura que foi realizada através de artigos indexados em base de dados e tendo como fio condutor ...
Fontes, Peterson Wilson
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Methods in Ecology and Evolution, Volume 17, Issue 5, Page 1556-1584, May 2026.Abstract The rapid expansion of biodiversity data presents new opportunities to understand and forecast biosphere dynamics. However, disparate and dispersed data, taxonomic and geographic inconsistencies, pervasive quality issues, and a lack of reproducable workflows hinder synthesis, introduce biases and limit accurate assessment of biodiversity ...
Brian J. Enquist +38 more
wiley +1 more source