Results 191 to 200 of about 624,135 (337)

Synergetic Combination of Carbon Xerogels, Graphene Oxide and nano‐ZnO for Aqueous and Organic Supercapacitors

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
This work proposes the synthesis of carbon‐based nanostructured materials obtained using ZnO as both nanos‐ template and catalysts simultaneously. During the synthesis, GO was used as a stabiliser, preventing the collapse of the 3D structure and improving its properties in terms of capacitance and surface area.
Rusbel Coneo‐Rodríguez   +5 more
wiley   +1 more source

Prevalencia de factores de riesgo cardiovascular y riesgo metabólico en escolares, universitarios y mujeres de organizaciones sociales de base en distritos de Lima, Callao, La Libertad y Arequipa, Perú 2011

open access: yesRevista Peruana de Medicina Experimental y Salud Pública
Objetivos. Determinar la prevalencia de hipertensión arterial y factores de riesgo cardiovascular y riesgo metabólico (FRCRM) en escolares, universitarios y mujeres de organizaciones sociales de base (OSB) de cuatro distritos en Perú.
Eloísa Núñez-Robles   +6 more
doaj   +2 more sources

Low‐intervention clinical trials in Spain: Do they progress?

open access: yesBritish Journal of Clinical Pharmacology, EarlyView.
Abstract Aims Low‐Intervention Clinical Trials (LICTs) are generally pragmatic trials that investigate medicinal products already authorized for use. In 2014, simplified regulatory frameworks were introduced for LICTs with the aim of reducing regulatory burden and operational complexity, to foster non‐commercial clinical trials (NCCTs); the mandatory ...
Claudia Erika Delgado‐Espinoza   +4 more
wiley   +1 more source

Una agencia... ¡de anuncio!

open access: yesCOMeIN, 2015
En el hogar de la Sra. Rushmore celebran lo que son, la agencia en la que la mayoría de los publicitarios querrían trabajar. Quizás porque su Atleti les ha hecho más fuertes, más de cien profesionales se vienen arriba cada día y consiguen emocionarnos con su publicidad.
openaire   +1 more source

What characterises well‐connected schools? Exploring centrality in inter‐organisational school networks

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Within the educational literature, inter‐organisational school networks are commonly considered instruments for administration, management, and school improvement, but are rarely scrutinised as objects of study themselves. Conversely, in organisational studies, this perspective is given more prominence.
Ignacio Wyman, Paul Wilfred Armstrong
wiley   +1 more source

Long‐term trends in parasite diversity and infection levels: approaches and patterns

open access: yesBiological Reviews, EarlyView.
ABSTRACT Parasites exist in every ecosystem, affecting nearly all organisms and playing a complex role in human societies. On the one hand, they contribute substantially to biodiversity and support ecosystem stability by performing essential ecological functions.
Cyril Hammoud   +8 more
wiley   +1 more source

La gestión del conocimiento nuclear: retos y perspectivas

open access: yesNucleus, 2007
La gestión del conocimiento tiene el propósito de conservar y orientar las competencias claves de cualquier organización al desarrollo de productos y servicios con alto valor científico y tecnológico agregado, como respuesta proactiva a un entorno ...
Alejandro González García   +1 more
doaj  

Subterranean environments contribute to three‐quarters of classified ecosystem services

open access: yesBiological Reviews, EarlyView.
ABSTRACT Beneath the Earth's surface lies a network of interconnected caves, voids, and systems of fissures forming in rocks of sedimentary, igneous, or metamorphic origin. Although largely inaccessible to humans, this hidden realm supports and regulates services critical to ecological health and human well‐being.
Stefano Mammola   +30 more
wiley   +1 more source

Agencia histórica de mujeres

open access: yesIntersticios Sociales
Las editoras y autoras de Mujeres en el siglo XX mexicano parten de los debates teóricos y metodológicos de la historia de mujeres y la historia de género de las vertientes feministas estadounidense y mexicana. Ponen en el centro del análisis a las mujeres en relación con otros hombres, el Estado, la Iglesia católica, partidos políticos, organizaciones
openaire   +1 more source

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