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Effect of Polypropylene‐Grafted‐Maleic Anhydride and Rice Husk Particle Size on 3D‐Printing Filament Composites From Recycled Polypropylene

Polymer Composites, Volume 46, Issue 16, Page 15125-15141, 10 November 2025.
Development of 3D printing composite filaments from recycled polypropylene and agro‐industrial residues: blending, extrusion, and mechanical validation. ABSTRACT This study evaluates the combined roles of particle size and the addition of maleic anhydride polypropylene (PP‐g‐MAH) to improve 3D printing and mechanical properties of composite filaments ...
Maria A. Morales +6 more
wiley +1 more source

Resolving Crustal and Subcrustal Dynamic Sources in Continental Arc Magmas: The Cenozoic Andean Arc of Central Chile

Geochemistry, Geophysics, Geosystems, Volume 26, Issue 9, September 2025.
Abstract The Andean margin of Central Chile (∼32°40′–34°30′S) records abundant Cenozoic arc magmatic activity with variable compositional characteristics. This is examined through the analysis of an extensive database of new and published whole‐rock geochemistry and Sr‐Nd isotopic compositions, in addition to zircon Hf and O isotopic compositions.
M. Muñoz‐Gómez +10 more
wiley +1 more source

Evaluating Aromaticity in Ag6Ru and Ag10Ru as Electron‐Precise Superatom Clusters

ChemPhysChem, Volume 26, Issue 11, June 2, 2025.
An exhaustive study of Ag6Ru and Ag10Ru clusters reveals their stability and aromaticity. The analysis shows these species possess precise electron shell structures, classifying them as planar and spherical superatoms. Ag6Ru exhibits a ten‐electron shell, while Ag10Ru shows 18 electrons.
Mesías Orozco‐Ic +2 more
wiley +1 more source

Impact of Raster Angle on 3D Printing of Poly(Lactic Acid)/Thermoplastic Polyurethane Blends: Effects on Mechanical and Shape Memory Properties

Macromolecular Materials and Engineering, Volume 310, Issue 5, May 2025.
The study explores the innovative use of poly(lactic acid) and thermoplastic polyurethane blends in 3D printing, highlighting how raster angles affect mechanical properties and shape memory behavior. With findings pointing to enhanced toughness, anisotropy, and exceptional shape fixity, the research delves into applications like biomedical devices ...
Águeda Sonseca Olalla +5 more
wiley +1 more source

Condiciones de habitabilidad de viviendas para personas mayores. Revisión de criterios de diseño

Informes de la Construccion
El articulo problematiza en la necesidad de estándares de diseño y pautas arquitectónicas para adaptaciones de viviendas de personas mayores con y sin discapacidad para disminuir riesgos en las actividades diarias en sus viviendas.
Claudia Valderrama-Ulloa +4 more
doaj +1 more source

Benchmark para la Evaluación de Algoritmos de Auto-ajuste de Controladores PID

Revista Iberoamericana de Automática e Informática Industrial RIAI, 2011
Resumen: En este documento se propone un benchmark para la evaluación de algoritmos de auto-ajuste de controladores PID. Para ello se definen índices cuantitativos que permiten medir el comportamiento de los algoritmos, tanto durante la realización del ...
Julio A. Romero, Roberto Sanchis
doaj +1 more source

The structural basis for the broad aldehyde specificity of the aminoaldehyde dehydrogenase PauC from the human pathogen Pseudomonas aeruginosa

Protein Science, Volume 34, Issue 5, May 2025.
Abstract Despite significant differences in size and formal charge, the aldehyde dehydrogenase PaPauC (PA5312) from Pseudomonas aeruginosa PAO1 efficiently catalyzes the NAD+‐dependent oxidation of the aminoaldehydes formed in polyamines degradation. We report here that PaPauC also oxidizes 4‐guanidinebutyraldehyde, formed in one arginine degradation ...
Yudy V. Cardona‐Cardona +7 more
wiley +1 more source

Metodología de diseño sobre FPGA en un curso de sistemas digitales

Iteckne, 2012
Se presenta en este trabajo una metodología para el diseño de sistemas digitales sobre FPGA (Field Programmable Gate Array). Esta metodología inicia con el análisis de requerimientos del cliente y abarca hasta la implementación final en un dispositivo ...
Jose Luis Uribe Aponte +4 more
doaj +1 more source

Acoustic Rayleigh Wave Turbulence in Soft Viscoelastic Matter

Advanced Science, Volume 12, Issue 15, April 17, 2025.
Discrete acoustic Rayleigh wave turbulence (DARWT) is observed on the free surface of viscoelastic materials under monochromatic excitation. Governed by bulk shear rigidity supporting inertial modes against surface tension, the nonlinear Rayleigh waves exhibit distinct power‐law scaling and turbulence features in their Kolmogorov–Zakharov spectra. This
Mikheil Kharbedia +4 more
wiley +1 more source

Global and Local Shielding/Deshielding Variation in C60 and C70 Fullerenes Upon Reduction: Evaluation of Aromaticity, 13C‐NMR and Anisotropy Patterns

Chemistry – A European Journal, Volume 31, Issue 12, February 25, 2025.
The six‐fold reduction of C60 and C70 fullerenes modifies the magnetic response of the π electrons enabling global and local variations of shielding/deshielding regions along different orientations of the external field which are represented in the variations of 13C‐NMR shifts given by the σ33 shielding component under the principal axis system (PAS ...
Nickolas D. Charistos +2 more
wiley +1 more source

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