Circular Economy

 

Circular Economy

A probabilistic framework for identifying anomalies in urban air quality data
02/10/2024 - Just as the value of crude oil is unlocked through refining, the true potential of air quality data is realized through systematic processing, analysis, and application. This refined data is...
Research Progress on Sound Absorption of Fiber-Based Materials and Their Composites
03/10/2024 - Compared with traditional materials, fiber-based materials have the advantages of light weight, easy processing and low cost, which make them have great application potential in the field of noise...
Aerospace, Vol. 11, Pages 747: A Neural Network with Physical Mechanism for Predicting Airport Aviation Noise
12/09/2024 - Airport noise prediction models are divided into physics-guided methods and data-driven methods. The prediction results of physics-guided methods are relatively stable, but their overall prediction...
Aerospace, Vol. 11, Pages 770: An Interval Neural Network Method for Identifying Static Concentrated Loads in a Population of Structures
19/09/2024 - During the design and validation of structural engineering, the focus is on a population of similar structures, not just one. These structures face uncertainties from external environments and...
Aerospace, Vol. 11, Pages 788: Design and Experimental Validation of an Adaptive Multi-Layer Neural Network Observer-Based Fast Terminal Sliding Mode Control for Quadrotor System
24/09/2024 - This study considers the numerical design and practical implementation of a new multi-layer neural network observer-based control design technique for unmanned aerial vehicles systems. Initially, an...
Aerospace, Vol. 11, Pages 810: Analyzing the Indirect Effects of Lightning on Unmanned Aerial Vehicle Navigation Receivers
02/10/2024 - To investigate the interference effects of lightning on unmanned aerial vehicle (UAV) navigation receivers, an analytical approach for the evaluation of indirect lightning effects is suggested. The...
Aerospace, Vol. 11, Pages 730: Experimental Investigation of Rotor Noise in Reverse Non-Axial Inflow
06/09/2024 - This paper experimentally characterises the far-field noise emissions of a rotor operating in reverse non-axial inflow conditions. Specifically, experiments were undertaken at a range of rotor...
Eco-Friendly and Biocompatible Material to Reduce Noise Pollution and Improve Acoustic Comfort in Healthcare Environments
02/10/2024 - Noise pollution negatively impacts people’s mental and physiological health. Unfortunately, not only is noise present in hospital environments, but its level frequently exceeds...
The Evaluation and Analysis of the Anti-Corrosion Performance of the Sealing Material B72 for Metal Artifacts Based on Electrochemical Noise
14/09/2024 - Paraloid B-72 (B72), as a transparent, colorless polymer material, has good film-forming ability when dissolved in acetone and is widely used as a sealing material for metal artifacts. In order to...
Experimental Analysis of Noise Characteristics on Different Types of Pavements inside and outside Highway Tunnels
20/09/2024 - Aiming to reduce noise pollution and optimize the acoustic quality in highway tunnels, the noise characteristics on different types of pavements were analyzed and compared in this research, based on...
Urban Biodiversity Index for Trees: A Climate Adaptation Measure for Cities Based on Tree Inventories
08/07/2024 - A historically large percentage of the world’s population has moved to urban areas in the past few decades, causing various negative effects for the environment, such as air, noise,...
Graphene Monolayer Nanomesh Structures and Their Applications in Electromagnetic Energy Harvesting for Solving the Matching Conundrum of Rectennas
24/09/2024 - In this paper, we investigate various graphene monolayer nanomesh structures (diodes) formed only by nanoholes, with a diameter of just 20 nm and etched from the graphene layer in different shapes...
A Fault Diagnosis Method for Pumped Storage Unit Stator Based on Improved STFT-SVDD Hybrid Algorithm
30/09/2024 - Stator faults are one of the common issues in pumped storage generators, significantly impacting their performance and safety. To ensure the safe and stable operation of pumped storage generators, a...
FDADNet: Detection of Surface Defects in Wood-Based Panels Based on Frequency Domain Transformation and Adaptive Dynamic Downsampling
30/09/2024 - The detection of surface defects on wood-based panels plays a crucial role in product quality control. However, due to the complex background and low contrast of defects in wood-based panel images,...
Optimal Twirling Depth for Classical Shadows in the Presence of Noise
- The classical shadows protocol is an efficient strategy for estimating properties of an unknown state ? using a small number of state copies and measurements. In its original form, it involves...
Mahua oil cake microcellulose as a performance enhancer in flax fiber composites: Mechanical strength and sound absorption analysis
03/10/2024 - Mahua oil cake microcellulose as a performance enhancer in flax fiber composites: Mechanical strength and sound absorption analysis.This study aimed to evaluate the effect of incorporating Mahua oil...
Angular?Inertia Regulated Stable and Nanoscale Sensing of Single Molecules Using Nanopore?In?A?Tube
09/09/2024 - The study develops a nanopore?in?a?tube (NIAT) device that precisely regulates molecule translocation in a funnel?shaped nanopore by controlling the inertial angle and centrifugation speed in a...
High?Detectivity All?Polymer Photodiode Empowers Smart Vitality Surveillance and Computational Imaging Rivaling Silicon Diodes
30/07/2024 - All?polymer organic photodiode with broadband competence is introduced with a newly designed acceptor material. The significantly improved OPD figures of merit with the polymer third component is...
Ultrasensitive Wearable Pressure Sensors with Stress?Concentrated Tip?Array Design for Long?Term Bimodal Identification
15/07/2024 - The nonfully conformal interface between the skin and electronics leads to further dissipation of weak physiological signals. This work enhances the mechanical transfer efficiency from behavior and...
Dark Current in Broadband Perovskite–Organic Heterojunction Photodetectors Controlled by Interfacial Energy Band Offset
23/06/2024 - Here, perovskite–organic heterojunction (POH) broadband photodetectors with ultra?low noise current of 2 × 10?14 A Hz?1/2 and a high specific detectivity of 4.7 × 1012 Jones in the NIR is...
Brain Computer Interface-Based Signal Processing Techniques for Feature Extraction and Classification of Motor Imagery Using EEG: A Literature Review
01/09/2024 - Abstract A communication path for people having severe neural disorders is provided by Brain Computer Interaction. The Brain–Computer Interface in an electroencephalogram is...