Results 71 to 80 of about 267,583 (266)

Synthesis and characterization of amphiphilic nitroxide 1,1,3,3–tetraethylisoindoline–2–oxyl–5–sodium sulfonate (TEIOSNa)

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal   +3 more
wiley   +1 more source

Sistematización georreferenciada de Proyectos de Extensión: Becas y Subsidios de la Secretaría de Extensión Universitaria(UNC) 2010-2011-2012 [PDF]

open access: yes, 2013
Este trabajo consiste en una sistematización de los Proyectos de Becas y de Subsidios de Extensión que se han generado a partir de las convocatorias institucionales de la Secretaría de Extensión Universitaria, en toda la Universidad Nacional de Córdoba ...
Genti, Miguel Angel   +2 more
core  

Can ISO/IEC 17025 serve as a tool to prevent scientific fraud in chemical research laboratories?

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Scientific fraud has been documented across multiple disciplines, and chemistry is no exception. Recent studies indicate that contamination of materials, methodological errors, and unreliable data, results, or analyses account for over 25% of retracted publications.
Flor Monica Gutierrez‐Alcantara
wiley   +1 more source

LA FAREM CARAZO DE LA UNAN MANAGUA, LA REFERENCIA DE LA CALIDAD EN EDUCACIÓN SUPERIOR EN LA REGIÓN SUR DEL PAÍS [PDF]

open access: yes, 2013
La Misión universitaria en la UNAN Managua, persigue además de la formación profesional de calidad de sus graduados, formarlos en valores y que aprendan a resolver problemas en la sociedad y la institución misma.
Aburto Jarquín, Pedro
core   +1 more source

Concomitant 5‐Aminosalicylic Acid Does Not Affect the Efficacy of Janus Kinase Inhibitors in Ulcerative Colitis

open access: yesClinical Pharmacology &Therapeutics, EarlyView.
We evaluated whether concomitant 5‐aminosalicylic acid (5‐ASA) influences clinical remission in patients with ulcerative colitis (UC) receiving Janus kinase inhibitors (JAKi). In this retrospective, multicenter cohort study, UC patients receiving tofacitinib (n = 181), upadacitinib (n = 313), or filgotinib (n = 139) were included.
Antonio Tursi   +100 more
wiley   +1 more source

Presupuesto familiar [PDF]

open access: yes, 2017
Anais do 35º Seminário de Extensão Universitária da Região Sul - Área temática: SaudeEl presente trabajo de extensión universitaria tuvo como objetivo capacitar a los vecinos de la Fracción Universitaria del Km 8 del Barrio San Juan, en planificación ...
Cáceres Valdéz, Sonia Teresita   +2 more
core  

Sustainability and Earnings Quality: The Moderating Role of Institutional Factors

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT The objective of this paper is to examine the impact of firms' sustainability performance on earnings quality, with a particular focus on the moderating role of institutional factors in Latin American countries for the period 2012–2023. A panel data set with 390 companies was structured with information sourced from the London Stock Exchange ...
Juan F. Garrido Navia   +3 more
wiley   +1 more source

Avances y desafíos para la construcción de un protocolo antirracista en la Universidad Nacional de Cuyo, Argentina

open access: yesRevista +E
Este artículo tiene por objetivo exponer y discutir los aprendizajes y desafíos obtenidos durante la ejecución del proyecto de extensión universitaria denominado “Primer Protocolo Antirracista Universitario” en la Universidad Nacional de Cuyo, Mendoza ...
Juliana Vilchez Pereira
doaj   +1 more source

Intervenciones en la realidad actual : el programa de Huertas Escolares y Comunitarias [PDF]

open access: yes
Fil: Abruzzese, Marcela. Universidad de Buenos Aires. Facultad de Psicología; Argentina.El PEUHEC es un programa de extensión universitaria "llevado adelante por docentes, graduados y\nestudiantes de las facultades de Agronomía y Psicología" cuyo fin es ...
Abruzzese, Marcela   +3 more
core  

Environmental and geomorphological drivers of frog diversity on islands worldwide

open access: yesEcography, EarlyView.
Island biogeography models primarily rely on island physical features and isolation to explain their biodiversity patterns. While newer models have incorporated functional traits to understand plant distribution, few empirical studies have tried to disentangle geometric constraints from niche‐based processes to predict multiple diversity facets of ...
Raoni Rebouças   +5 more
wiley   +1 more source

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