Economía Circular

 

Economía Circular

Experimental Study on Sound Absorption of Triply Periodic Minimal Surface With Porous Fillings
28/04/2026 - Triply Periodic Minimal Surface (TPMS) structures filled with foam or aerogel significantly enhance broadband sound absorption. Foam‐filled TPMS performance is sensitive to structural parameters...
Binderless Acoustic Panels From Rice Straw Pulp With Tunable Fiber Architectures
22/04/2026 - Rice straw waste can be extracted for natural pulp fibers and formed into a binderless acoustic panel with process‐controlled fiber architectures and tunable porosity and fiber bonding. This...
Gradient Wall‐Thickness Design of Fluorite‐Type Plate Lattice Metamaterials for Integrated Mechanical–Acoustic Performance
18/04/2026 - A porous fluorite‐type plate‐lattice metamaterial is developed to combine lightweight load bearing with sound absorption. Geometry tuning and wall‐thickness grading reveal fluorite‐specific...
Multifunctional Aerogel‐Structured Metafabrics Assembled by Hierarchically Porous Microsphere/Nanofibril
13/04/2026 - We report a robust strategy integrating dual‐environment modulation with in‐suit electro‐aerosol spraying/spinning technology to synthesize multifunctional aerogel‐structured metafabrics. By...
Textile‐Based Sound‐Absorbing and Noise‐Reducing Materials: Structural Optimization and Multiscenario Application
31/03/2026 - This graphic abstract systematically presents key aspects of sound‐absorbing and noise‐reducing materials, encompassing three core material types: porous, resonant, and damping. It also covers...
Bioinspired Shape‐Memory Hook Fasteners With Programmable Interlocking and Silent Release
31/03/2026 - Bioinspired hook fasteners made from epoxy shape‐memory polymers are shown to switch between strong, secure attachment and gentle, silent release when heated. By combining programmable geometry and...
AI‐Enhanced Bionic Aquatic E‐Skin Enables Precise Capture of Minimal Tactile Differences Toward Undisturbed Underwater Interaction
27/03/2026 - Bioinspired triboelectric aquatic E‐skin decouples tactile signals from hydrodynamic noise to sense tiny sliding‐induced vibrations. With feature‐fusion machine learning, it discriminates...
Mechanically Programmable Tristate Molecular Switching Through Controlled Fullerene Assembly
28/03/2026 - Mechanically controlled C60 stacking generates fully reversible tristate molecular switching. Discrete monomer–dimer–trimer states yield stable multilevel conductance.ABSTRACTMultistate control...
Multifunctional Self‐Assembling Peptide System for Preventing Noise‐Induced Hearing Loss
04/03/2026 - Spirulina platensis loaded with the NPR36 self‐assembling peptide nanofibers enabled sustained delivery of NPR36 and phycocyanin to the inner ear. This fiber‐microalgae‐based delivery system...
Strong convergence of linear implicit virtual element methods for the nonlinear stochastic parabolic equation with multiplicative noise
26/01/2026 - In animal farming, there is the hope that artificial intelligence (AI) will improve efficiency and increase profits while providing solutions to reduce pollution and pesticide use and improve...