Results 1 to 10 of about 162,604 (70)

Development of Lightweight Polymer Laminates for Radiation Shielding and Electronics Applications

International Journal of Polymer Science, 2022
The present study portrays the development of lightweight epoxy laminates filled with boron carbide (B4C) and lead (Pb) particles through a novel layered molding and curing route.
S. Vignesh, J. T. Winowlin Jappes, S. Nagaveena, R. Krishna Sharma, M. Adam Khan, Chaitali V. More, N. Rajini, Temel Varol   +7 more
doaj   +1 more source

Method and Mathematical Modeling of Formation of Gradually and Homogeneously Oriented Linear Polymers

International Journal of Polymer Science, 2019
Previously, we developed several technical solutions for the conversion of isotropic polymers into materials of a new type—gradually oriented polymers with a gradient of physical and mechanical properties, thereby materializing for the first time the ...
Levan Nadareishvili, Roland Bakuradze, Jimsher Aneli, Manana Areshidze, Ineza Pavlenishvili, Liana Sharashidze, Giorgi Basilaia   +6 more
doaj   +1 more source

Effects of Organomontmorillonite Content on Morphology and Mechanical and Thermal Properties of Poly(2,6-dimethyl-1,4-phenylene oxide)/Polyamide-66 Nanocomposites

International Journal of Polymer Science, 2016
The nanocomposites consisting of polymer matrix and nanofiller have attracted great attention because of the improved physical properties. In this paper, organomontmorillonite (OMMT) was introduced into poly(2,6-dimethyl-1,4-phenylene oxide) grafted ...
Kunxiao Yang, Chunling Xin, Ying Huang, Lilong Jiang, Yadong He   +4 more
doaj   +1 more source

A Student Facial Expression Recognition Model Based on Multi-Scale and Deep Fine-Grained Feature Attention Enhancement

Sensors
In smart classroom environments, accurately recognizing students’ facial expressions is crucial for teachers to efficiently assess students’ learning states, timely adjust teaching strategies, and enhance teaching quality and effectiveness. In this paper,
Zhaoyu Shou, Yi Huang, Dongxu Li, Cheng Feng, Huibing Zhang, Yuming Lin, Guangxiang Wu   +6 more
doaj   +1 more source

DBN-BAAE: Enhanced Lightweight Anomaly Detection Mechanism with Boosting Adversarial Autoencoder

Sensors
The growing digitalization of Industrial Control Systems (ICSs) presents both significant benefits and security challenges, especially for small and medium-sized factories with limited resources.
Yanru Chen, Bei Wu, Wang Zhong, Yanru Guo, Dizhi Wu, Yi Ren, Yuanyuan Zhang   +6 more
doaj   +1 more source

An Extrinsic Optical Fiber Sensor Probe with Micrometer Size via a C-Shaped Waveguide with a Core of MIP

Sensors
Optical–chemical sensors based on optical fibers can be made in reflection or transmission schemes. In the reflection scheme, the sensing area is typically present at the end of the fiber, and the light source and the detector are placed on the same side
Chiara Marzano, Rosalba Pitruzzella, Francesco Arcadio, Filipa Sequeira, Luca Pasquale Renzullo, Alessandra Cutaia, Catarina Cardoso Novo, Ricardo Oliveira, Maria Pesavento, Luigi Zeni, Giancarla Alberti, Nunzio Cennamo, Rogerio Nunes Nogueira   +12 more
doaj   +1 more source

Optimizing Backbone Networks Through Hybrid–Modal Fusion: A New Strategy for Waste Classification

Sensors
With rapid urbanization, effective waste classification is a critical challenge. Traditional manual methods are time-consuming, labor-intensive, costly, and error-prone, resulting in reduced accuracy.
Houkui Zhou, Qifeng Ding, Chang Chen, Qinqin Liao, Qun Wang, Huimin Yu, Haoji Hu, Guangqun Zhang, Junguo Hu, Tao He   +9 more
doaj   +1 more source

A Computational Approach to Increasing the Antenna System’s Sensitivity in a Doppler Radar Designed to Detect Human Vital Signs in the UHF-SHF Frequency Ranges

Sensors
In the context of Doppler radar, studies have examined the changes in the phase shift of the S21 transmission coefficient related to minute movements of the human chest as a response to breathing or heartbeat.
David Vatamanu, Simona Miclaus
doaj   +1 more source

An Ultra-Sensitive Colorimetric Sensing Platform for Simultaneous Detection of Moxifloxacin/Ciprofloxacin and Cr(III) Ions Based on Ammonium Thioglycolate Functionalized Gold Nanoparticles

Sensors
Water pollution by antibiotics and heavy metals threatens the ecological environment and human health globally, yet there is no rapid method to detect multiple antibiotics and metal ions simultaneously.
Lihua Zhang, Jiang Li, Juan Wang, Xu Yan, Jinping Song, Feng Feng   +5 more
doaj   +1 more source

Analysis of Women’s Knowledge, Health Risk Perceptions, Beliefs and Avoidance Behaviour in Relation to Endocrine-Disrupting Chemicals in Personal Care and Household Products

Toxics
Evidence highlights the association between endocrine-disrupting chemicals (EDCs) found in personal care and household products (PCHPs) and adverse reproductive and developmental health outcomes.
Adrianna Trifunovski, Nooshin Khobzi Rotondi, Jennifer Abbass-Dick, Caroline Barakat   +3 more
doaj   +1 more source