Results 31 to 40 of about 21,959 (251)

Comprehensive Analysis of the Degradation Phenomena of Proton Exchange Membrane Water Electrolyzers with Iridium on Antimony Tin Oxide Anodes

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This study examines the structural and chemical evolution of low‐loaded Ir/ATO anodes during PEM water electrolysis under realistic conditions. Iridium dissolution is largely suppressed. In the early stages, both ionomer and support degradation are detected. Morphological reorganization occurs at the interface between the anode catalyst layer (ACL) and
Sambal Shashank Ambu   +11 more
wiley   +1 more source

Base de datos Electores de Costa Rica (1897-1909).

open access: yesDiálogos, 2011
La Constitución francesa de 1791 definió la estructura básica de las votaciones indirectas al diferenciar entre ciudadanos y electores: los primeros, en asambleas primarias, escogían a un número reducido de los segundos, quienes elegían, a su vez, a los ...
Iván Molina Jiménez
doaj   +3 more sources

Blocked and “Unblocked” Learning: Structural Factors That Impede and Enable Evidence‐Informed Policymaking

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT This article addresses a critical issue in evidence‐informed policymaking: the challenge of translating knowledge into policy outputs amidst the complex interplay between research and politics. It discusses the concept of “blocked learning,” where individual‐level learning fails to scale up to organizational and policy levels, thus impeding ...
Thenia Vagionaki
wiley   +1 more source

Integrando minería de reglas de asociación en PostgreSQL

open access: yesSerie Científica de la Universidad de las Ciencias Informáticas, 2022
El desarrollo de las tecnologías y la informatización de las empresas ha incrementado el cúmulo de información almacenada en las bases de datos dificultando el proceso de análisis de estas manualmente, por lo cual es necesario utilizar técnicas como la ...
Alfredo Yunior Montero Oconor   +2 more
doaj   +4 more sources

Policy Networks and Policy Entrepreneurship in the EU: Explaining Structural Policy Change in Pharmaceutical Innovation Incentives and Health Technology Assessment

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT Policy process research has excelled in explaining structural policy change within national settings, but extensions and applications to the EU level have long proven challenging for scholars. Given that the EU is currently experiencing its longest period of Treaty stability since the 1980s—having evolved into a sui generis political system ...
Vassilis Karokis‐Mavrikos
wiley   +1 more source

[COVID-19 vaccine adverse events in a population aged 5-17 years: A study from the VAERS database]. [PDF]

open access: yesAn Pediatr (Barc), 2023
Villa-Zapata L   +4 more
europepmc   +2 more sources

Joint Angular Excursions and Angular Range Utilization During Stance‐Phase Locomotion in Terrestrial Mammals: A Comparative Morphofunctional Data Set

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
This study quantifies stance‐phase joint angular excursions and angular utilization (AUI%) during walking in 182 terrestrial mammal species. Across mammals, total limb excursion during stance (TAE) decreases with increasing body mass, whereas AUI% remains broadly conserved, indicating similar proportional use of summed joint excursions to generate net ...
Paul Medina‐González
wiley   +1 more source

Informática jurídica documental en algunos países europeos: técnicas actuales y tendencias observadas

open access: yesRevista de la Facultad de Derecho, 2005
Encuentro Bases de datos jurídicas del Uruguay (Montevideo: 8 oct.1991) Contenido:La políticas a seguir. La reflexión metodológica. Las tendencias actuales.
Marcelo Bauzá
doaj  

Assessment of Soil Erosion Over Six Decades in a Long‐Term Experiment Using Fallout 137Cs and RUSLE: A South American Case Study

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Soil erosion remains a major global concern affecting agricultural productivity and land sustainability. This study investigates the magnitude and variability of soil erosion in a long‐term experiment (LTE) established in 1963 in Colonia, Uruguay, aiming to compare the performance of the 137Cs tracer technique and the RUSLE model across ...
Marcos Tassano   +6 more
wiley   +1 more source

Engaging the public in plant science: Communication facilitators and barriers of scaling up a citizen science campaign

open access: yesPeople and Nature, EarlyView.
Abstract Volunteers have been involved in nature observations for decades through citizen science initiatives, providing large data sets as well as problem identification that allow a more complete understanding of many natural phenomena. Although communication is a core component in citizen science, the key factors that determine its effectiveness in ...
Kristiina Gibson   +18 more
wiley   +1 more source

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