Economía Circular

Economía Circular

Highly Efficient and Stable Self-Powered Perovskite Photodiode by Cathode-Side Interfacial Passivation with Poly(Methyl Methacrylate)
03/02/2023 - For several years now, organic–inorganic hybrid perovskite materials have shown remarkable progress in the field of opto-electronic devices. Herein, we introduce a cathode-side...
Noise Evaluation of Coated Polymer Gears
03/02/2023 - A comprehensive experimental investigation of the noise evaluation of coated spur polymer gears made of POM was performed in this study. The three Physical Vapour Deposition (PVD) coatings...
Universal logic with encoded spin qubits in silicon
06/02/2023 - Quantum computation (QC) features known examples of hardware acceleration for certain problems but is challenging to realize due to its susceptibility to small errors from noise or imperfect control....
Two-Measurement Tomography of High-Dimensional Orbital Angular Momentum Entanglement
- High-dimensional (HD) entanglement enables an encoding of more bits than in the two-dimensional case and promises to increase communication capacity over quantum channels and to improve robustness to...
A New Drive-by Method for Bridge Damage Inspection Based on Characteristic Wavelet Coefficient
01/02/2023 - The drive-by method has become a popular indirect approach for bridge damage inspection (BDI) because of its simplicity in deployment by evaluating the bridge health status solely via the vehicle...
Analysis of an Adaptive Periodic Low-Frequency Wave Filter Featuring Magnetorheological Elastomers
31/01/2023 - This study aims to enhance and tune wave-propagation properties (Bandgaps) of periodic structures featuring magnetorheological elastomers (MREs). For this purpose, first, a basic model of periodic...
Aerospace, Vol. 10, Pages 126: DSMC Simulation of the Effect of Needle Valve Opening Ratio on the Rarefied Gas Flows inside a Micronozzle with a Large Length-to-Diameter Ratio
30/01/2023 - The cold gas micro-propulsion system can provide low noise and ultra-high accuracy thrust for satellite platforms for space gravitational wave detection, high-precision earth gravity field...
Study on Influencing Factors of Paste Coating Thickness of Pervious Concrete
30/01/2023 - Pervious concrete (PC) is a multifunctional material with good water permeability, noise reduction, and heat absorption properties. The most critical performance indicators of the PC are permeability...
Aerospace, Vol. 10, Pages 121: An Experimental Study on Rotor Aerodynamic Noise Control Based on Active Flap Control
27/01/2023 - Reducing rotor aerodynamic noise is an important challenge in helicopter design. Active flap control (AFC) on rotors is an effective noise reduction method. It changes the segment airfoil shape,...
Research on the Sound Insulation Performance of Composite Rubber Reinforced with Hollow Glass Microsphere Based on Acoustic Finite Element Simulation
25/01/2023 - The composite rubber reinforced with hollow glass microsphere (HGM) was a promising composite material for noise reduction, and its sound insulation mechanism was studied based on an acoustic finite...
Resonance Detection Method and Realization of Bearing Fault Signal Based on Kalman Filter and Spectrum Analysis
22/01/2023 - The rolling bearing is an important part of mechanical equipment, and its performance significantly affects the quality and life of the mechanical equipment. This article uses the integrated fiber...
Bayesian Optimization Framework for HVAC System Control
20/01/2023 - The use of machine-learning algorithms in optimizing the energy efficiency of HVAC systems has been widely studied in recent years. Previous research has focused mainly on data-driven model...
Chiral Recognition of Phenylglycinamide Enantiomer Based on Electrode Modified by Silver−Ammonia Ion−Functionalized Carbon Nanotubes Complex
22/01/2023 - Polyacrylic acid (PAA) chains were used to decorate the surface of multi−walled carbon nanotubes (MWCNTs) via in situ free radical polymerization, and sulfonated chitosan (SCS) was...
Bitumen-Based Poroelastic Pavements: Successful Improvements and Remaining Issues
20/01/2023 - This article presents the development process of designing and testing poroelastic pavement based on highly polymer-modified bitumen. Poroelastic wearing course was composed of mineral and rubber...
Quantum Fluctuation of the Quantum Geometric Tensor and Its Manifestation as Intrinsic Hall Signatures in Time-Reversal Invariant Systems
- In time-reversal invariant systems, all charge Hall effects predicted so far are extrinsic effects due to the dependence on the relaxation time. We explore intrinsic Hall signatures by studying the...
Electrochemical Polarization as a Sustainable Method for the Formation of Bronze Patina Layers on a Quaternary Copper Alloy: Insight into Patina Morphology and Corrosion Behaviour
19/01/2023 - The bronze patina is aesthetically pleasing and enhances the corrosion resistance of the metallic object. This corrosion product layer can develop naturally, through aging or artificially. However,...
99.92%-Fidelity <span class="sc">cnot</span> Gates in Solids by Noise Filtering
- Inevitable interactions with the reservoir largely degrade the performance of entangling gates, which hinders practical quantum computation from coming into existence. Here, we experimentally...
Development and Research of Recyclable Composite Metamaterial Structures Made of Plastic and Rubber Waste to Reduce Indoor Noise and Reverberation
16/01/2023 - According to the Waste Management Policy of the European Union, the recycling and reuse of various wastes is considered the most ecological and advanced waste disposal technology with the lowest...
Al nanoparticles decorated Er:TiO2 thin film based plasmonic photodetector
- Aluminum (Al) nanoparticles (NPs) patterned Erbium-doped Titanium dioxide (Er:TiO2) thin films (TFs) were synthesized by the combination of sol-gel and glancing angle deposition (GLAD) technique...
Multi-Range Sequential Learning Based Dark Image Enhancement with Color Upgradation
12/01/2023 - Images under low-light conditions suffer from noise, blurring, and low contrast, thus limiting the precise detection of objects. For this purpose, a novel method is introduced based on convolutional...