Results 131 to 140 of about 2,038,462 (393)

Unilateral Ankle‐Foot Exoneuromusculoskeleton with Balance‐Sensing Feedback for Self‐Help Telerehabilitation after Stroke

open access: yesAdvanced Robotics Research, EarlyView.
This study introduces a hybrid robot that integrates mechanical assistance by musculoskeletons (i.e., soft pneumatic muscle with rigid exoskeletal extensions), neuromuscular electrical stimulation, and vibrotactile feedback in a lightweight wearable mechatronic complex applicable to the paretic ankle–foot poststroke for gait restoration. The system can
Fuqiang Ye   +16 more
wiley   +1 more source

Numerical study of the influence of the rupture of burst discs on shock wave propagation in hydrogen-oxygen detonation tube

open access: yesCase Studies in Thermal Engineering
Hydrogen-oxygen detonation tube has a wide range of applications. However, the role of burst discs is often oversimplified, overlooking the detrimental effects of their non-ideal rupture on shock wave propagation.
Yuhan Song   +6 more
doaj   +1 more source

Kinetics of nitric oxide formation and decomposition [PDF]

open access: yes
Experiments on shock wave structure were conducted in the 12 inch shock tube facility, and it is shown that this work was motivated by the need for improved kinetics for the modeling of NO production in space shuttle flow fields. The experiments on shock
Hanson, R. K., Kruger, C. H.
core   +1 more source

Magnetically Insulated Shock Tube

open access: yesThe Physics of Fluids, 1961
Experiments were carried out in a small (1 in. diameter) electrically driven shock tube with a homogeneous longitudinal magnetic field of up to 20 000 gauss in both the discharge and expansion chambers. A 1600-joule capacitor bank was used with deuterium pressures of 150 μ Hg or more, giving shock velocities of up to 8 cm/μsec.
Richard G. Fowler, Eugene B. Turner
openaire   +2 more sources

Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion

open access: yesAdvanced Robotics Research, EarlyView.
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza   +3 more
wiley   +1 more source

A Canine Musculoskeletal Robot for Investigating Biomechanical Functions During Locomotion

open access: yesAdvanced Robotics Research, EarlyView.
In this study, a dog limb musculoskeletal robot was developed using thin McKibben artificial muscles to investigate the effects of the dog's musculoskeletal structure on walking. Walking experiments were conducted in both indoor and outdoor environments, suggesting that the flexible structure of the dog's shoulders contributes to an increase in stroke ...
Hana Ito   +6 more
wiley   +1 more source

Substantially Altered Local and Systemic Immunity in Ischemia‐Free Versus Conventional Liver Transplantation

open access: yesAdvanced Science, EarlyView.
This study investigates how ischemia‐free liver transplantation (IFLT) shapes both local and systemic immune responses compared with conventional liver transplantation (CLT). Our findings demonstrate that IFLT confers significant immunological protection by attenuating the STAT3‐HIF‐1α axis and enhancing the Heme‐HMOX1 pathway, two regulatory networks ...
Tao Luo   +40 more
wiley   +1 more source

Computational Investigations and Control of Shock Interference

open access: yesApplied Sciences
Computational fluid dynamics (CFD) has aided the development, design, and analysis of hypersonic airbreathing propulsion technologies, such as scramjets. The complex flow field in a scramjet isolator has been the subject of intense interest and study for
Cameron Alexander, Ragini Acharya
doaj   +1 more source

Neddylation Targets and Stabilizes NLRP3 to Augment Inflammasome‐Mediated Colitis and Mood Disorder

open access: yesAdvanced Science, EarlyView.
NLRP3 inflammasome contributes to colitis and mood disorder. This study demonstrates that neddylation targets NLRP3 at K287, which hinders its interaction with K48‐linked ubiquitination E3 Trim31 and thereby stabilizes it. Neddylation blockade in myeloid cells and microglia mitigates DSS‐induced colitis and psychological stress‐induced anxiety‐like ...
Wenbin Gai   +13 more
wiley   +1 more source

Investigating the use of low and high-density polyethylene blends with waste material from three-layer factory tube for the third layer of shock tubes

open access: yesFrontiers in Chemistry
Polymeric shock tubes are now widely used in explosives systems for drilling and mining operations. Most shock tubes on the market consist of three layers of polymer, the first layer being Surlyn 8940 copolymer, the second layer Nucrel 31001 and the ...
Ali Khalili Gashtroudkhani   +3 more
doaj   +1 more source

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