Results 21 to 30 of about 3,588,322 (322)

Barriers to the enforcement of motorcycle helmet laws: Insights from police and legislators [PDF]

open access: yesArchives of Trauma Research
Background: Many motorcyclists choose not to wear helmets, yet it remains unclear why they are not being fined by police or other authorities.Objectives: The aim of this study was to explore legislators’ perspectives on the factors contributing to the ...
Shahrokh Yousefzade‑Chabok   +6 more
doaj   +1 more source

Recommendations on manufacturing head car passive protection devices with the use of different materials

open access: yesTechnical mechanics, 2022
High-speed multiple-unit trains in Ukraine must be developed according to the Ukrainian Standards DSTU EN 12663 and DSTU EN 15227, which specify the car crashworthiness and active and passive safety. This paper addresses issues involving the development of recommendations on the passive safety of a multiple-unit head car in emergency collisions with ...
M. B. Sobolevska, D. V. Horobets
openaire   +1 more source

Effects of volume, velocity, and composition on the resistance to synthetic blood penetration of N95 filtering facepiece respirators and other head/facial personal protective equipment

open access: yesJournal of Occupational and Environmental Hygiene, 2020
Surgical N95 filtering facepiece respirators (surgical N95 FFRs) are National Institute for Occupational Safety and Health-approved N95 filtering facepiece respirators (N95 FFRs) cleared by the Food and Drug Administration for resistance to liquid ...
L. Portnoff   +5 more
semanticscholar   +1 more source

Preferences and Perceptions of Paediatric Dentists’ Attire among 4-12-year-old Children: A Cross-sectional Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research
Introduction: Dentists’ attire includes their choice of clothes and Personal Protective Equipment (PPE) required to follow infection control measures.
Osama M Felemban   +5 more
doaj   +1 more source

Method for Characterization of Material Loss from Modular Head-Stem Taper Surfaces of Hip Replacement Devices [PDF]

open access: yes, 2015
Assessment of the head-stem taper junction requires the estimation of material loss from the taper surfaces of both femoral head and stem. This paper describes a method for the measurement and analysis of material loss from the modular taper junction of ...
Alister Hart   +11 more
core   +1 more source

[Improved Protective Equipment for NICU Portable Radiography].

open access: yesNihon Hōshasen Gijutsu Gakkai zasshi, 2023
We have been developing protective equipment for portable radiography in neonatal intensive care units because the portable radiography's X-ray tube is in close proximity to the head of the nurse who is assisting the patient.
Mei Takeya   +5 more
semanticscholar   +1 more source

Computer Aided Design of Protective Gear and the Mathematical Statistics for Mechanical Mechanism from Falls

open access: yesFrontiers in Computing and Intelligent Systems, 2023
Increasing aging population lies great pressure on our country, and the health monitoring of the elderly arises as a very urgent problem to be solved.
Sijia Chen, Sihan Tang
semanticscholar   +1 more source

Multimodal 'eyes-free' interaction techniques for wearable devices [PDF]

open access: yes, 2003
Mobile and wearable computers present input/output prob-lems due to limited screen space and interaction techniques. When mobile, users typically focus their visual attention on navigating their environment - making visually demanding interface designs ...
Stuart Tasker   +11 more
core   +1 more source

EVALUATION OF THE EFFECTIVENESS OF PERSONAL HEAD PROTECTION EQUIPMENT IN ARMY AVIATION AND WAYS TO IMPROVE THEM

open access: yesИзмерение, мониторинг, управление, контроль, 2022
Background. The purpose of the work was to evaluate the effectiveness of personal protective equipment of the head used in army aviation, identify shortcomings and justify ways to improve them. Materials and methods.
V.V. Kharitonov   +2 more
doaj   +1 more source

3-D topology optimization of single-pole-type head by using design sensitivity analysis [PDF]

open access: yes, 2006
It is necessary to develop a write head having a large recording field and small stray field in adjacent tracks and adjacent bits in perpendicular magnetic recording systems.
Takahashi, Norio   +2 more
core   +1 more source

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