Results 31 to 40 of about 5,691 (187)

Despite lost contractility, a sub-population of rat muscle fibers maintains an assessable excitation-contraction coupling mechanism after long-standing denervation [PDF]

open access: yes, 2009
J Neuropathol Exp Neurol. 2009 Dec;68(12):1256-68. A subpopulation of rat muscle fibers maintains an assessable excitation-contraction coupling mechanism after long-standing denervation despite lost contractility.
ABRUZZO PM   +17 more
core   +1 more source

Ionogel Actuators: A Review

open access: yesSmartBot, EarlyView.
Ionogels dynamically and functionally couple ionic liquids with polymer networks, enabling multiscale programmable deformation and motion under electrical, magnetic, optical, thermal, humidity, and chemical stimuli. This article systematically elucidates the constituent components, structural design, and multiscale actuation mechanisms of ionogel ...
Dezhou Cao   +5 more
wiley   +1 more source

Influence of road incline and body position on power-cadence relationship in endurance cycling [PDF]

open access: yes, 2018
In race cycling, the external power-cadence relationship at the performance level, that is sustainable for the given race distance, plays a key role. The two variables of interest from this relationship are the maximal external power output (P max) and ...
Denoth, Jachen, Emanuele, Umberto
core  

Analysis of Wear Process of Mechanical System “0.45% Carbon Steel – Polytetrafluorethylene” during Sliding and Mechano-Sliding Fatigue Using Fracture Mechanics Criterion

open access: yesМеханика машин, механизмов и материалов, 2019
The results of the tests for a friction pair “a cylindrical specimen made of 0.45% carbon steel — a prismatic counterspecimen-liner made of polytetrafluoroethylene F4-B” during sliding friction and mechano-sliding fatigue at different levels of contact ...
Alexander V. Bogdanovich
doaj  

Self‐Powered Neuromorphic Touch Sensors Based on Triboelectric Devices: Current Approaches and Open Challenges

open access: yesSmall, EarlyView.
This review outlines how triboelectric self‐powered tactile sensors can be integrated with neuromorphic devices to emulate human touch. It summarizes current coupling strategies, operational modes, and synaptic functions enabled by triboelectric nanogerator (TENG)‐based systems, while highlighting key mechanisms, performance considerations, and future ...
Fabrizio Torricelli, Giuseppina Pace
wiley   +1 more source

Evaluation of fatigue damage in stern tube sliding bearings of ship propulsion systems under ice impact

open access: yesForschung im Ingenieurwesen
Climate change has led to new shipping routes in polar waters, increasing touristic and commercial traffic in these regions. Sequentially, collisions between ship propellers and sea ice have become more frequent. Such collisions subject the propellers to
Ahmed Saleh   +5 more
semanticscholar   +1 more source

Study on fatigue strength of SnSb11Cu6 babbitt-steel bimetal sliding bearing material prepared by MIG brazing

open access: yesMechanics & Industry, 2020
The babbitt-steel bimetal sliding bearing material prepared by the MIG brazing has been applied in many fields. In the application, usually only the bonding force is tested, and the fatigue strength is not evaluated.
Xinbo Wang, Z. Yin, Yonghong Chen
semanticscholar   +1 more source

Double-network acrylamide hydrogel compositions adapted to achieve cartilage-like dynamic stiffness [PDF]

open access: yes, 2018
Since articular cartilage has a limited potential for spontaneous healing, various techniques are employed to repair cartilage lesions. Acrylate-based double-network (DN) hydrogels containing ~90% water have shown promising properties as repair materials
Arnold, M.   +5 more
core  

Recent Advances in Metal‐Organic Framework‐Integrated Nanocomposite Hydrogels for Sensors and Sensing Systems

open access: yesSmartMat, Volume 7, Issue 1, February 2026.
Metal‐organic framework–hydrogel composites are explored as multifunctional materials for next‐generation sensors and sensing systems. This review summarizes recent advances in employing these smart composites to fabricate optical, electrochemical, and electromechanical sensors, emphasizing their potential in healthcare, biomedical diagnostics ...
Md Sazzadur Rahman   +2 more
wiley   +1 more source

Trade‐off between power extraction maximisation and fatigue reduction in wind farms via second‐order sliding mode control and min–max optimisation

open access: yesIET Control Theory & Applications, 2020
In the last 10 years, with the increase of renewable energies, great attention is devoted to operation and maintenance of wind turbines and wind farms, which are the fundamental objectives to be guaranteed by the design of control systems.
E. Capello   +4 more
semanticscholar   +1 more source

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