Results 31 to 40 of about 31,174 (249)

Low-Velocity Impacts on a Polymeric Foam for the Passive Safety Improvement of Sports Fields: Meshless Approach and Experimental Validation

Applied Sciences, 2018
Over the past few years, foam materials have been increasingly used in the passive safety of sport fields, to mitigate the risk of crash injury. Currently, the passive safety certification process of these materials represents an expensive and time ...
Francesco Penta, Giuseppe Amodeo, Antonio Gloria, Massimo Martorelli, Stephan Odenwald, Antonio Lanzotti   +5 more
doaj   +1 more source

Extrusion‐Based Additive Manufacturing of Advanced Ceramics: Strengthening Mechanisms and Process Optimization Review

Advanced Engineering Materials, EarlyView.
This review comprehensively evaluates extrusion‐based additive manufacturing for advanced ceramics, detailing feedstock options and key process parameters. By critically addressing defect mechanisms like porosity and cracking, the work highlights optimization strategies through machine learning and advanced postprocessing.
Meisam Bakhtiari, Mohammad Hadi Sheikh‐Ansari, Avinash Borgaonkar, Mehran Dadkhah, Abdollah Saboori   +4 more
wiley   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source

Versatile Pneumatic Twisted Coiled Actuators Enabled by Fiber‐Polymer Composite Fabrication

Advanced Functional Materials, EarlyView.
This work reports composite Pneumatic Twisted Coiled Actuators with embedded Kevlar fibers that convert pneumatic or hydraulic pressure into powerful linear motion. A novel precise manufacturing technique is used to systematically explore how design variables influence actuator mechanics and dynamics.
William J. Townsend, Jeongmin Kim, Samuel Tsai, Yichao Shi, Sameh Tawfick, James H. Pikul   +5 more
wiley   +1 more source

Security Software Green Head for Mobile Devices Providing Comprehensive Protection from Malware and Illegal Activities of Cyber Criminals [PDF]

International Journal of Computer Network and Information Security, 2013
This paper deals with the description of the threats to mobile devices and suggests the security software that provides comprehensive protection of personal data and mobile telephone from malware and illegal activity of cyber criminals. The developed security software Green Head protects personal smartphones of majority of brands from spam, viruses and
Zhukov Igor, Mikhaylov Dmitry, Starikovskiy Andrey, Kuznetsov Dmitry, Tolstaya Anastasia, Zuykov Alexander   +5 more
openaire   +1 more source

From Geometry to Function: Programmable Mechanical Response in 3D‐Printed Adipose‐Inspired Soft Metamaterials

Advanced Functional Materials, EarlyView.
Geometry‐driven design of soft cellular metamaterials is systematically investigated by combining experiments, finite element modeling, and statistical prediction. The study quantifies how unit cell geometry and material properties govern stiffness, instability, densification, and energy absorption.
Alice Berardo, Gianmarco Dolino, Damiano Coato, Paolo Gargiulo, Emanuele Luigi Carniel   +4 more
wiley   +1 more source

Cranial computed tomography utilization in head trauma in a Southern Nigerian tertiary hospital

Sahel Medical Journal, 2015
Background: Computed tomography (CT) is the imaging modality of choice in evaluating patients with acute head trauma. Objective: The objective of this study is to assess CT utilization in head trauma in University of Benin Teaching Hospital (UBTH) with ...
Ehimwenma Ogbeide, Alphonsus R Isara
doaj   +1 more source

Diagnostic and therapeutic endonasal rhinologic procedures generating aerosol during COVID-19 pandemic: a systematized review

Brazilian Journal of Otorhinolaryngology, 2021
Introduction: Most rhinologic procedures, particularly endoscopic sinonasal procedures, are liable to produce aerosols. The severe acute respiratory syndrome coronavirus 2 (SARS-Co V-2) transmits via respiratory droplets, but the degree of its spread ...
Isha Preet Tuli, Sandeep Trehan, Kirti Khandelwal, Priyanka Chamoli, Sneha Nagendra, Aashish Tomar, Shilpam Sharma   +6 more
doaj   +1 more source

Development of passive protection devices for a power head of a high-speed multiple unit train at its collisions

IOP Conference Series: Materials Science and Engineering, 2020
Abstract Ukrainian passenger multiple-unit train upgrading supposes on creation of new power heads with passive safety systems (PSS) to save passengers lives, to reduce rolling stock damage and to minimize consequences at collisions. The purpose of this research is to develop energy absorption devices (EADs) for power head PSS according ...
M Sobolevska, D Horobets, S Syrota
openaire   +1 more source

Tissue‐Adhesive Fabric‐Based Bioelectronics for Wearable and Implantable Applications

Advanced Functional Materials, EarlyView.
An implantable and wearable bioelectronic textile (iTextile) is introduced as a unified platform bridging wearable and implantable systems. By integrating a self‐healing polymer, stretchable silk fabric, conductive composite electrodes, and an adhesive hydrogel, the platform enables conformal, stable interfacing with soft tissues. The iTextile supports
Soojung An, Yewon Kim, Kyoungryong Kim, Heewon Choi, Sungjun Yoon, Jaewon Ju, Mikyung Shin, Donghee Son   +7 more
wiley   +1 more source