Results 261 to 270 of about 31,041 (336)

Mechanical Evaluation of Posterior Wall Acetabular Facture Fixation: Patient‐Specific Implants Versus Conventional Implants

open access: yesJournal of Orthopaedic Research, Volume 44, Issue 1, January 2026.
ABSTRACT The aim of the study was to design a standardized mechanical test setup and a corresponding finite element analysis to assess the stability and strength of both patient‐specific and conventional implants for posterior wall acetabular fractures.
Miriam G. E. Oldhoff   +7 more
wiley   +1 more source

Design and evaluation of a magnetic resonance‐guided focused ultrasound system for the treatment of cervical spine pain

open access: yesMedical Physics, Volume 53, Issue 1, January 2026.
Abstract Background Neck pain is a common health problem, with a large percentage of individuals experiencing chronic or recurring pain. A considerable portion of chronic neck pain is attributed to the facet joints, which are small joints located at the back of the spinal column.
Viola Rieke   +7 more
wiley   +1 more source

Design and performance of a toroidal radiofrequency volume coil with intrinsic electromagnetic interference rejection for low‐field portable Halbach‐based MRI systems

open access: yesMagnetic Resonance in Medicine, Volume 95, Issue 1, Page 637-646, January 2026.
Abstract Purpose One of the intrinsic limitations of low‐field MRI is low signal‐to‐noise ratio, which can be further reduced by electromagnetic interference (EMI) due to the lack of a Faraday shielded room. To address this issue, we propose a novel radiofrequency (RF) coil design that is inherently less sensitive to EMI while maintaining high receive ...
Jules Vliem   +4 more
wiley   +1 more source

Exponential Convergent Second‐Order Sliding Mode Control Based on Barrier Lyapunov Function of State Constraint Robotic Manipulators

open access: yesIET Control Theory &Applications, Volume 20, Issue 1, January/December 2026.
A novel controller design integrates position error constraints using a barrier Lyapunov function, ensuring bounded tracking performance. The proposed control strategy ensures exponential convergence of tracking errors while preserving robustness against disturbances and uncertainties.
Luis Pantoja‐Garcia, Isaac Chairez
wiley   +1 more source

Numerical Investigation of Heat Transfer Rate Improvement in Heat Exchangers Utilizing Innovative Wavy Vortex Generators

open access: yesModelling and Simulation in Engineering, Volume 2026, Issue 1, 2026.
Quick‐cooling heat exchangers are used for a wide range of industrial applications. This study is aimed at employing the wavy surfaces of the vortex generators to reduce pressure drops and enhance heat transfer performance. The turbulent conditions for mixture (water and air) flow with Rew = 3500–5000.
Adnan Q. Ibrahim   +2 more
wiley   +1 more source

Design and Research of Superimposed Force Sensor. [PDF]

open access: yesMicromachines (Basel)
Wu G, Shao J, Xu Y, He Z, Liu S.
europepmc   +1 more source

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