Results 41 to 50 of about 337,279 (181)

NANOPARTICLES FROM WITHIN: EFFECTS OF SYNTHESIS AND STOICHIOMETRY ON EXSOLUTION

open access: yesAnales (Asociación Física Argentina)
In this work, we aim to functionalize the surface of a perovskite oxide (ABO3 structure) with Ni-Fe nanoparticles via the exsolution technique, with the goal of enhancing its electrocatalytic properties as an electrode for solid oxide cells (SOC ...
M. Santaya, H. E. Troiani, L. V. Mogni
doaj   +1 more source

Transforming Coastal Waste: Algae‐Based Recycled HDPE Composites for Enhanced Sustainability

open access: yesPolymer Engineering &Science, Volume 66, Issue 9, Page 6612-6620, September 2026.
Manufacturing and characterization of composites from beach‐cast algae waste combined with recycled high‐density polyethylene. ABSTRACT Growing environmental concerns are accelerating the development of more sustainable materials. This study successfully created a composite material by combining recycled high‐density polyethylene (HDPE) as the matrix ...
Patricia Cabrera‐García   +4 more
wiley   +1 more source

New Insights Into Stemphylium Species Associated With Leaf Blight of Onion in the Southern Coastal Region of Peru

open access: yesJournal of Phytopathology, Volume 174, Issue 5, September/October 2026.
ABSTRACTOnion (Allium cepa) is a key crop of high economic importance in the Arequipa region of Peru. In this area, leaf blight caused by Stemphylium spp. is one of the most destructive diseases affecting onion and other Allium crops. Accordingly, this study aimed to identify Stemphylium species associated with leaf blight in onion across production ...
Khayla Johana Zeballos‐Romero   +5 more
wiley   +1 more source

Estudio de caracterización ocupacional de la cadena del sector de la construcción [PDF]

open access: yes, 1999
Estudio que presenta los resultados de la caracterización ocupacional del sector de la construcción en Colombia a 1999 en la que se describen los entornos macroeconómicos, organizacional, laboral, tecnológico y oferta educativaStudy that presents the ...

core  

A Comprehensive Taxonomy of Rules for Nuanced Analysis of Governance Systems

open access: yesPolicy Studies Journal, Volume 54, Issue 3, August 2026.
ABSTRACT Understanding how institutions shape collective action requires analytical tools that capture the complexity of governance arrangements. Ostrom's typology of rules provides a foundational framework for examining institutional configurations, yet limited specificity in rule types reduces its effectiveness in comparative analysis.
Diego Arahuetes‐de la Iglesia   +6 more
wiley   +1 more source

Simplified immersion route for water-kefir dextran film development and the role of glycerol as a plasticizer

open access: yesDiscover Polymers
Water kefir grains are a natural source of dextran-rich polysaccharides suitable for film formation. Dextran was characterized by intrinsic viscosity (suggesting a molecular mass above 3 × 10⁶ Da), NMR, and X-ray diffraction. Flow measurements of dextran–
Juan Francisco Delgado   +5 more
doaj   +1 more source

HIDROGENACIÓN DE LIMONENO A P-MENTANO EN PRESENCIA DE CATALIZADORES Pd/Al2O3-SiO2

open access: yesAvances en Ciencias e Ingeniería, 2018
Se evaluó la hidrogenación de limoneno hacia p-mentano en presencia de catalizadores Pd/Al2O3-SiO2. Para ello, se utilizó un reactor intermitente, el cual fue operado a diferentes temperaturas de reacción (75, 100, 125 y 150°C) y una presión de 200 psi ...
Ricardo Peralta-Robledo   +3 more
doaj  

Massive proliferation of retrotransposons contributes to genome size expansion in species of the Pseudocercospora genus

open access: yesMobile DNA
Genome size expansions are common among eukaryotic lineages. Enlarged genomes can be bioenergetically demanding, and active mobile elements can trigger chromosomal rearrangements and loss of gene function.
Sandra-Milena González Sáyer   +7 more
doaj   +1 more source

Anatomía foliar y caulinar de Chascolytrum subaristatum (Poaceae, Pooideae, Poeae)

open access: yesLilloa, 2019
El objetivo del presente estudio fue describir la anatomía foliar y caulinar de Chascolytrum subaristatum (Poaceae) presente en áreas naturales de la provincia de Entre Ríos.
María E. Moya   +3 more
doaj   +1 more source

Association of Agro‐Morphological Traits With Cup Quality in Accessions of Coffea arabica L. From the INIA Germplasm Bank, Peru

open access: yesJournal of Sustainable Agriculture and Environment, Volume 5, Issue 2, June 2026.
ABSTRACT In recent years, Peruvian coffee production has increasingly focused on specialty coffees, with cup quality (CQ) as a key criterion. While previous studies have characterized the Coffee Germplasm Collection of the National Institute of Agrarian Innovation (CGC‐INIA), few studies have analyzed coffee cup quality.
Ronald Pio Carrera‐Rojo   +6 more
wiley   +1 more source

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