Results 21 to 30 of about 213 (94)

Las rotaciones en la escala nanométrica: el efecto Moiré en los materiales 2D

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
Desde hace ya varios años los materiales nanométricos bidimensionales (2D) han orientado el interés de los investigadores hacia el estudio cada vez más minucioso de sus propiedades y la forma en que éstas se pueden aprovechar, todo con la finalidad de ...
Josué David Hernández-Varela   +2 more
doaj   +1 more source

How New Issues Become Polarized: Partisan Triggers and Subsystem Shopping in Early AI Policymaking

open access: yesPolicy &Internet, Volume 18, Issue 1, March 2026.
ABSTRACT Early AI policymaking in the United States appeared bipartisan, but subsequent developments raise the question of whether AI policy will become more polarized over time. To examine how partisanship takes root around novel policy issues, we perform a mixed‐methods study, analyzing survey data from 129 state legislators in 44 states and ...
Robin Jacobson   +2 more
wiley   +1 more source

Boración del acero inoxidable AISI 316 [PDF]

open access: yesMinería y Geología, 2012
En este trabajo se presentan los resultados obtenidos en lacaracterización de capas boradas en el acero inoxidable AISI 316. Paraello se realizó un borado superficial mediante el método de boraciónpor polvos sólidos.
David Coureaux-Mustelier   +3 more
doaj  

Contrasting effects of vertebrate and invertebrate herbivores on leaf litter decomposition in terrestrial ecosystems: A meta‐analysis

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3372-3384, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Herbivores influence litter quality, soil properties and decomposer communities, with cascading effects on litter decomposition. Vertebrate and invertebrate herbivores can affect decomposition through the same two pathways (litter quality‐ and soil‐mediated) but are ...
M. Paz Tapella   +4 more
wiley   +1 more source

Hydrological Connectivity Enhances Fish Biodiversity in Amazonian Mining Ponds: Insights From eDNA and Traditional Sampling

open access: yesMolecular Ecology, Volume 34, Issue 11, June 2025.
ABSTRACT Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity ...
Camila Timana‐Mendoza   +7 more
wiley   +1 more source

Production of probiotic lactobacilli biomass for in-feed supplementation to growing pigs and sows

open access: yesCiencia Veterinaria
En el diseño de formulaciones probióticas, la preservación de la viabilidad de los microorganismos es el parámetro más importante a evaluar en el momento de su administración.
Jose David Uezen   +5 more
doaj   +1 more source

Plant‐based meat analogues marketed in Catalonia: evaluation of the nutritional profile

open access: yesFood Risk Assess Europe, Volume 2, Issue 3, July 2024.
Abstract In later years, a growing trend is apparent of vegetarian or vegan diets attributable to a number of causes, among of others, consumers’ concern for animal welfare, climate change and, to a lesser degree, for health‐related issues. On a par to this growth, availability of meat analogues in the market has also been on the rise. In this context,
Judit Costa Català   +4 more
wiley   +1 more source

Los puntos cuánticos y el premio Nobel de Química 2023

open access: yesEducación Química
El premio Nobel 2023 en el área de química, fue concedido a 3 investigadores: Alexei Ekimov, Luis Brus y Moungi Bawendi, por sus aportes al descubrimiento, caracterización y control de la producción de los puntos cuánticos.
Eduardo Muñoz Cartagena
doaj   +1 more source

Efecto de las modificaciones con ácido acético e hidróxido de calcio sobre las propiedades funcionales y reológicas del almidón de ñame (Dioscorea esculenta l.)

open access: yesTecnoLógicas, 2023
Las propiedades funcionales del almidón nativo tienen limitantes en sus propiedades tecnológicas. El almidón, al ser modificado, puede corregir estos problemas y, por lo tanto, mejorar sus propiedades para uso agroindustrial.
Carolina Agudelo-Zamudio   +3 more
doaj   +1 more source

Thallus hydrophobicity: A low‐cost method for understanding lichen ecophysiological responses to environmental changes

open access: yesApplications in Plant Sciences, Volume 12, Issue 2, March-April 2024.
Abstract Premise Methods to evaluate lichen thalli hydrophobicity have previously been described, but only recently has hydrophobicity been shown to be an important functional trait related to water regulation dynamics that could be used to predict future climate change effects. We describe a novel protocol to measure lichen thallus hydrophobicity that
Natália Mossmann Koch   +3 more
wiley   +1 more source

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