Results 31 to 40 of about 30,943 (244)

Study of the Effective Parameters on the Making Use of Protective Devices [PDF]

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2008
Background and objectivesNoise threats health of many groups of industrial workers and causes hearing loss. Use of personal protective device is the best control method to protect against hazardous conditions. Hence, this investigation was carried out to
Y. Tabaraie   +3 more
doaj  

Performance Comparison among KN95-Certified Face Masks by Classical Techniques and Innovative Test

open access: yesApplied Sciences, 2022
During the pandemic, the provision of Personal Protective Equipment (PPE) (e.g., face masks) to specialized personnel and general population represented a critical point to prevent virus spread; in addition, a huge variety of new manufacturers and ...
Stefano Alberti   +7 more
doaj   +1 more source

Methods for Capturing and Quantifying Contact Events in Collision Sports

open access: yesSports
Technological advancements have led to widespread use of wearable devices that capture external performance metrics in team sports. Tracking systems including global positioning system (GPS) technology with inbuilt microelectromechanical systems (MEMS ...
Craig Bolger   +4 more
doaj   +1 more source

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

open access: yesIOP 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

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

open access: yesInternational 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   +5 more
openaire   +1 more source

Feasibility and Tolerability of Performing Portable MRI for Neurological Disorders in an Outpatient Neurology Clinic: A Prospective Cohort

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick   +19 more
wiley   +1 more source

The effects of hearing protection devices on spatial awareness in complex listening environments

open access: yesPLoS ONE, 2023
Hearing protection devices (HPDs) remain the first line of defense against hazardous noise exposure and noise-induced hearing loss (NIHL). Despite the increased awareness of NIHL as a major occupational health hazard, implementation of effective hearing ...
Hillary A. Snapp   +4 more
doaj   +2 more sources

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

open access: yesApplied 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   +5 more
doaj   +1 more source

IN4MER Biomaterial Ink: A Phosphorescent Biosensing Biomaterial Ink for Multiple Analytes (Glucose, Lactate, Oxygen) Measurements and Temperature Sensing Applications

open access: yesAdvanced Functional Materials, EarlyView.
Multianalyte, real‐time monitoring of bioprinted scaffolds remains challenging. Phosphorescence‐lifetime–based, optically responsive microparticles are embedded in diverse printable hydrogels (κ‐carrageenan, GelMA, PEGDA) to form biomaterial inks that report oxygen, glucose, lactate, and temperature.
Waqas Saleem   +11 more
wiley   +1 more source

Rationally Designed Bilayer Passivation Strategy for High‐Performance Vacuum‐Processed Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
A bilayer “Anchor‐and‐Seal” passivation strategy using EDAI2 and 4MeO‐PEAI effectively mitigates surface defects in vacuum‐processed perovskite films through synergistic hydrogen bonding and Lewis base coordination. This approach optimizes interfacial energy alignment and suppresses non‐radiative recombination, enabling vacuum‐deposited p‐i‐n ...
Mohammadhossein Kohan   +4 more
wiley   +1 more source

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