نتایج جستجو برای: Intrinsic forces

تعداد نتایج: 186616  

2015
Krishnamurthy Iyer Ramesh Johari Ciamac C. Moallemi

We investigate the welfare implications of operating alternative market structures known as electronic crossing networks or “dark pools” alongside traditional “lit” markets. We study equilibria of a market where intrinsic traders and speculators, endowed with heterogeneous fine-grained information, endogenously choose between dark and lit venues. We establish that while the dark pool attracts r...

Inertial microfluidics-based devices have recently attracted much interest and attention due to their simple structure, high throughput, fast processing and low cost. They have been utilised in a wide range of applications in microtechnology, especially for sorting and separating microparticles. This novel class of microfluidics-based devices works based on intrinsic forces, which cause micropa...

Journal: :Neuroscience letters 2010
Jamie A Johnston Lisa R Bobich Marco Santello

Fingertip forces result from the activation of muscles that cross the wrist and muscles whose origins and insertions reside within the hand (extrinsic and intrinsic hand muscles, respectively). Thus, tasks that involve changes in wrist angle affect the moment arm and length, hence the force-producing capabilities, of extrinsic muscles only. If a grasping task requires the exertion of constant f...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2011
Alain Frigon Christopher K Thompson Michael D Johnson Marin Manuel T George Hornby C J Heckman

Extra forces or torques are defined as forces or torques that are larger than would be expected from the input or stimuli, which can be mediated by properties intrinsic to motoneurons and/or to the muscle. The purpose of this study was to determine whether extra forces/torques evoked during electrical stimulation of the muscle or its nerve with variable frequency stimulation are modulated by mu...

2014
Dan Hu David Howard Lei Ren

This study investigated the effects of the finger extensor mechanism on the bone-to-bone contact forces at the interphalangeal and metacarpal joints and also on the forces in the intrinsic and extrinsic muscles during finger pressing. This was done with finger postures ranging from very flexed to fully extended. The role of the finger extensor mechanism was investigated by using two alternative...

Journal: :Journal of neurophysiology 2012
Brian W Quist Mitra J Z Hartmann

Rats actively tap and sweep their large mystacial vibrissae (whiskers) against objects to tactually explore their surroundings. When a vibrissa makes contact with an object, it bends, and this bending generates forces and bending moments at the vibrissa base. Researchers have only recently begun to quantify these mechanical variables. The present study quantifies the forces and bending moments ...

Journal: :Journal of Mediterranean tourism research 2021

Food is perceived as the top most surviving need of humans since their existence. With passage time, this has been further revolutionized with added requirements safety and hygienic factors. Halal food having both these factors, gained popularity among Muslims non-Muslims consumers. Despite ever increasing trend consumption, research to uncap amazingly growing sector still in its infancy stages...

Journal: :Ultramicroscopy 2012
P E Batson A Reyes-Coronado R G Barrera A Rivacoba P M Echenique J Aizpurua

Nanoparticle structures observed in aberration-corrected electron microscopes exhibit many types of behavior, some of which are dominated by intrinsic conditions, unrelated to the microscope environment. Some behaviors are clearly driven by the electron beam, however, and the question arises as to whether these are similar to intrinsic mechanisms, useful for understanding nanoscale behavior, or...

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