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Mostrando ítems 261-270 de 1355
Artículo
On the integrability problem for the Hopf-zero singularity and its relation with the inverse Jacobi multiplier
(Elsevier Inc., 2021)
In this paper we use the orbital normal form of the nondegenerate Hopf-zero singularity to obtain necessary conditions for the existence of first integrals for such singularity. Also, we analyze the relation between the ...
Capítulo de Libro
La denuncia de Aurelius Sarapion: un caso de violencia en el Egipto del siglo III d. C. (P. Graux I 4)
(Ediciones Clásicas, 2022)
El presente papiro, fechado a mediados del siglo III d. C., relata una agresión sufrida en el pueblo de Philadelphia. El agredido, un anciano llamado Aurelius Sarapion y miembro del cuerpo de los arabotoxotai, relató los ...
Artículo
Field comparison of ecophysiological traits between an invader and a native species in a Mediterranean coastal dune
(Elsevier, 2020-01)
Photochemical efficiency, gas exchange, leaf water potential, pigment content and free proline content of Oenothera drummondii subsp. drummondii Hook (an invasive non-native species) and Achillea maritima (L.) Ehrend. & ...
Artículo
A subchronic 90-day oral toxicity study of Origanum vulgare essential oil in rats
(Elsevier, 2017)
Oregano essential oil (Origanum vulgare L. virens) (OEO) is being used in the food industry due to its useful properties to develop new active packaging systems. In this concern, the safety assessment of this natural extract ...
Capítulo de Libro
De sur a sur. Valoración de las hablas meridionales en España y Francia
(Universidad Internacional de Andalucía, 2022)
Ponencia
XFSL: A tool for supervised learning of fuzzy systems
(2001)
This paper presents Xfsl, a tool for the automatic tuning of fuzzy systems using supervised learning algorithms. The tool provides a wide set of learning algorithms, which can be used to tune complex systems. An important ...
Artículo
Approximation numbers of weighted composition operators
(Elsevier, 2018)
We study the approximation numbers of weighted composition operators f 7→ w · (f ◦ ϕ) on the Hardy space H2 on the unit disc. For general classes of such operators, upper and lower bounds on their approximation numbers ...
Artículo
Endoparasitic Mites (Rhinonyssidae) on Urban Pigeons and Doves: Updating Morphological and Epidemiological Information
(MDPI, 2020-12)
Rhynonyssidae is a family of endoparasitic hematophagous mites, which are still largely unknown even though they could act as vector or reservoir of different pathogens like dermanyssids. Sampling requirements have ...
Artículo
Fischer–Tropsch Synthesis Over Zr-Promoted Co/γ-Al2O3 Catalysts
(Springer, 2017)
Two Zr-modified alumina supports were synthetized containing the same amount of Zr but a different distribution of this modifier over the alumina surface. These supports, together with the unmodified alumina carrier, were ...
Artículo
Reopening higher education buildings in post-epidemic COVID-19 scenario: monitoring and assessment of indoor environmental quality after implementing ventilation protocols in Spain and Portugal
(Wiley, 2022-05)
Post-epidemic protocols have been implemented in public buildings to keep indoor environments safe. However, indoor environmental conditions are affected by this decision, which also affect the occupants of buildings. This ...