Zobrazeno 1 - 10 of 89 pro vyhledávání: '"Universidad del Valle, Colombia"'
1
Herramienta computacional para el estudio de la ferroresonancia en transformadores
Autor: Jorge Enrique Celis Montero, Escuela de Ingeniería Eléctrica y Electrónica - Universidad del Valle (Colombia), Andrés Fernando Restrepo Álvarez, Ferley Castro Aranda
Publikováno v: Repositorio Uninorte
Universidad del Norte
instacron:Universidad del Norte
This paper presents a computational tool named FerroUV which is capable of evaluating ferroresonance phenomenons in distribution transformers connected by shielded power cable. Due to the complexity of the ferroresonance phenomenon, analysis requires
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::dd07cd1271f0bb8a1e80426ba06cecbf
http://rcientificas.uninorte.edu.co/index.php/ingenieria/article/view/3963
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2
Películas delgadas de CNx formadas por PLD a diferentes temperaturas
Autor: Jorge Luis Gallego Cano, Universidad Tecnológica de Pereira, Colombia, Deisy Ramírez Vinasco, Henry Riascos Landázuri, Leonid Ipaz, Universidad del Valle, Colombia, Juan Muñoz Saldaña, Instituto Politécnico Nacional, México
Publikováno v: Repositorio Uninorte
Universidad del Norte
instacron:Universidad del Norte
Carbon Nitride (CNx) thin films were grown by pulsed laser deposition using a Nd:YAG laser (1064 nm, 500mJ), in a graphite target (99.999%) on Si(100) substrate for three different temperatures 21, 50 and 200 °C, in a nitrogen atmosphere at constant
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::18a61601f9d4712d3728c3ea0bf34d78
http://rcientificas.uninorte.edu.co/index.php/ingenieria/article/view/2882
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3
Efecto del pH inicial y la concentración del catalizador en la fotodegradación de tres pesticidas comerciales
Autor: Fiderman Machuca-Martínez, Universidad del Valle, Colombia, José Ángel Colina-Márquez, Universidad de Cartagena, Colombia
Publikováno v: Repositorio Uninorte
Universidad del Norte
instacron:Universidad del Norte
The photocatalytic degradations of three pesticides: 2,4-D, diuron, ametryne and a specific mixture of these ones, were carried out in a lab-scale reactor with artificial ultraviolet radiation. The effects of initial pH and catalyst concentration for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::589f026b44478bd5d1d6c1a7cfa9375e
http://rcientificas.uninorte.edu.co/index.php/ingenieria/article/view/3306
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4
4-Bromo-4'-(dimethyl-amino)stilbene
Autor: Moreno-Fuquen, Rodolfo, Kennedy, Alan R., Cordoba, Cristina, Spanish Research Council (CSIC) (Funder), Universidad del Valle, Colombia (Funder)
Publikováno v: Acta Crystallographica Section E: Structure Reports
In the title compound, C16H16BrN, the benzene rings are inclined to each other with a dihedral angle between their mean planes of 50.5 (3)degrees and the C = C bond adopts a cis conformation.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05fc44beea2bec927e85ae77b71495af
https://pubmed.ncbi.nlm.nih.gov/21582777
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5
Participación social en salud: conceptos de usuarios, líderes comunitarios, gestores y formuladores de políticas en Colombia. Una mirada cualitativa
Autor: Mariano Hernán García, María Eugenia Delgado Gallego, María Luisa Vázquez Navarrete, Yolanda Zapata Bermúdez
Publikováno v: Revista Española de Salud Pública, Vol 79, Iss 6, Pp 697-707 (2005)
Revista Española de Salud Pública v.79 n.6 2005
SciELO España. Revistas Científicas Españolas de Ciencias de la Salud
instname
Comparative Study; English Abstract; Journal Article; BACKGROUND Health sector reforms taking place in Colombia during the Nineties included policies to promote social participation in the health system, which is considered essential to its functioni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a0f85776d95da950214f038b36edb33
http://www.redalyc.org/articulo.oa?id=17079609
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6
Magnetism in graphene oxide nanoplatelets: The role of hydroxyl and epoxy bridges
Autor: Pedro Prieto, M. R. Ibarra, Juan Gabriel Ramírez, J.J. Prías-Barragán, Rafael González-Hernández, F.A. Hoyos-Ariza
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
This work investigates the role of hydroxyl and epoxy bridges in room-temperature ferromagnetism (FM) of pyrolytic graphene oxide nanoplatelets (GOs). Graphene oxide nanoplatelets were synthesized from bamboo pyroligneous acid (BPA), varying oxide co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96feb2ce827aebe4171ed1fed35ef27b
http://hdl.handle.net/10261/280417
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7
Steric and Electronic Effects in N-Heterocyclic Carbene Gold(III) Complexes: An Experimental and Computational Study
Autor: Miguel A. Rosero-Mafla, Jhon Zapata-Rivera, M. Concepción Gimeno, Renso Visbal
Publikováno v: Molecules; Volume 27; Issue 23; Pages: 8289
This article belongs to the Section Organometallic Chemistry.
A series of neutral acridine-based gold(III)-NHC complexes containing the pentafluorophenyl (–C6F5) group were synthesized. All of the complexes were fully characterized by analytic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::185032593f876963c3fe2e2ada36e1ec
https://doi.org/10.3390/molecules27238289
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8
Modeling pheromone control and trapping of the Asian citrus psyllid, Diaphorina citri
Autor: Vasilieva, Olga, Cardona-Salgado, Daiver, Dumont, Yves
Publikováno v: MCA-Mathematical Congress of the Americas
MCA-Mathematical Congress of the Americas, Jul 2021, Buenos Aires, Argentina
lien vers l'abstract: https://www.mca2021.org/en/tools/view-abstract?code=1890; International audience; Diaphorina citri or Asian citrus psyllids (ACP) are small insects that live on citrus trees and feed onyoung stems, sprouts, and leaves during all
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a21f0964b970daecbaae6d17b14458e5
https://hal.archives-ouvertes.fr/hal-03293439
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9
Preparation of glass–ceramic materials from coal ash and rice husk ash: Microstructural, physical and mechanical properties
Autor: Dávalos, Julián, Bonilla, Ashley, Villaquirán-Caicedo, Mónica A., Gutiérrez, Ruby M. de, Rincón López, Jesús María
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
In press. [EN]: Wastes such as coal and rice husk ashes, which are widely available in Colombia, were successfully used to synthesize glass-ceramics in the (Na2O)–CaO–Al2O3–SiO2 system, which are obtained from thermally treating the parent glas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=RECOLECTA___::7e9f8e06cef6dd313b860c2a55b73258
http://hdl.handle.net/10261/219561
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10
Vector-borne epidemics driven by human mobility
Autor: Adriana Reyna-Lara, Sandro Meloni, David Soriano-Paños, Héctor J. Martínez, Juddy Heliana Arias-Castro, Jesús Gómez-Gardeñes
Publikováno v: Zaguán: Repositorio Digital de la Universidad de Zaragoza
Universidad de Zaragoza
Zaguán. Repositorio Digital de la Universidad de Zaragoza
instname
Digital.CSIC. Repositorio Institucional del CSIC
Vector-borne epidemics are progressively becoming a global burden, especially those related to flaviviruses, and the effects of different factors such as climate change or the increase of human mobility can sensibly increase the population at risk wo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bced1caf76755bd74944eae30ca275c
http://zaguan.unizar.es/record/99261
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