Results 81 to 90 of about 2,198,757 (314)
Simultaneous emission and attenuation reconstruction in time-of-flight PET using a reference object
EJNMMI Physics, 2020 Background Simultaneous reconstruction of emission and attenuation images in time-of-flight (TOF) positron emission tomography (PET) does not provide a unique solution.
Pablo García-Pérez, Samuel España
doaj +1 more source
History, EarlyView.Abstract After the vicissitudes of the War of the Spanish Succession (1701–14), the consolidation of the Bourbon Monarchy in early eighteenth‐century Spain allowed Philip V's ministry to implement the so‐called Nueva Planta in his various kingdoms and lordships of the Crown of Aragon, but also in Castile.
Roberto Quirós Rosado
wiley +1 more source
Lorentz violations in multifractal spacetimes
European Physical Journal C: Particles and Fields, 2017 Using the recent observation of gravitational waves (GW) produced by a black-hole merger, we place a lower bound on the energy above which a multifractal spacetime would display an anomalous geometry and, in particular, violations of Lorentz invariance ...
Gianluca Calcagni
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International Journal of Urban and Regional Research, EarlyView.Abstract In this article I dissect the spatial strategies through which the Spanish attempted to orchestrate both racial difference and similarity in the African colonies of Morocco, Western Sahara and Equatorial Guinea during the first half of the twentieth century.
Pol Fité Matamoros
wiley +1 more source
Organización:Función, estructura y sistemas productivos [PDF]
, 2017 El presente trabajo de investigación con tema organización consiste en el análisis de la administración de operaciones enfocada en la función, estructura y sistemas productivos, según la teoría muchos estudiosos de la administración aportaron enfoques ...
Collado Ñamendys, Ana Maria +1 more
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Generalizations of the Pontryagin and Husain-Kuchař actions to manifolds with boundary
Journal of High Energy Physics, 2019 In this paper we study a family of generalizations of the Pontryagin and Husain-Kuchǎr actions on manifolds with boundary. In some cases, they describe well- known models — either at the boundary or in the bulk — such as 3-dimensional Euclidean general ...
J. Fernando Barbero G. +3 more
doaj +1 more source
Revista de Arquitectura (Bogotá), 2009 La investigación en estructuras adaptables manifiesta que el hábitat arquitectónico actual se presenta en su mayoría rígido, estático e inmodificable, haciendo casi imposible futuras transformaciones, así como cambios de forma y de espacio en el tiempo con fines adaptativos.
openaire +4 more sources
Estructuras I: Ejercicios sobre estructuras trianguladas
, 2014 Ejercicios de calculo de esfuerzos, dimensionado y comprobación de estructuras trianguladas.
Antuña Bernardo, Joaquín +2 more
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Diagnostic validation of the 00325 Inadequate Self‐Compassion
International Journal of Nursing Knowledge, EarlyView.Abstract Background Self‐compassion is an essential component of self‐care. Recognizing it as a nursing diagnosis can promote interventions to address Inadequate Self‐Compassion. Aim This study aims to clinically validate the new NANDA‐I diagnosis (00325) Inadequate Self‐Compassion.
Aarón Muñoz‐Devesa +5 more
wiley +1 more source
Evaluación del efecto antiurolítico del fruto de Parmentiera aculeata en rata Wistar
Botanical Sciences, 2015 En un modelo murino de litiasis vesical, se evaluó la actividad antiurolítica de los extractos hexánico, clorofórmico, metanólico y acuoso de Parmentiera aculeata (Kunth) Seem. (Bignoniaceae).
Viridiana Morales-Sánchez +4 more
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