Results 281 to 290 of about 195,721 (331)

In Situ Constructed Magnetic Core‐Shell Hydrogen‐Bonded Organic Framework‐on‐Metal–Organic Framework Structure: an Efficient Catalyst for Peroxymonosulfate Activation

Advanced Functional Materials, EarlyView.
In this work, a magnetic core‐shell catalyst (HOF‐on‐Fe3O4/ZIF‐67) is successfully synthesized, consisting of a metal–organic framework (ZIF‐67) with magnetic Fe3O4 as the core and a porous hydrogen‐bonded organic framework (HOF) as the shell. The catalyst efficiently activated peroxymonosulfate, resulting in rapid and effective removal of water ...
Yingying Du, Chenhui Ding, Chao Deng, Susanta Banerjee, Seema Agarwal   +4 more
wiley   +1 more source

Acute effects of static balance exercise combined with different levels of blood flow restriction on motor performance fatigue as well as physiological and perceptual responses in young healthy males and females. [PDF]

Eur J Appl Physiol
Bielitzki R, Behrendt T, Weinreich A, Mittlmeier T, Schega L, Behrens M.   +5 more
europepmc   +1 more source

On the Impedance of Statically-Balanced Mechanisms [PDF]

Volume 6: 35th Mechanisms and Robotics Conference, Parts A and B, 2011
Statically-balanced technology is often used to compensate partial or full gravity force exerting on a mechanism in order to reduce the effort of driving the mechanism. Since such compensation is static, when a statically-balanced mechanism is used for dynamic applications, it will still have impedance (mechanical resistance to input motion) because ...
Ou Ma, Wenwu Xiu, Qi Lu
openaire   +1 more source

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Static balancing behaviour of the mandible

European Journal of Oral Sciences, 2015
The objective of this study was to investigate the mechanisms of physiological control of the craniomandibular system during force‐controlled biting: in intercuspation, restricted by predetermined anatomic–geometrical conditions [i.e. biting in intercuspation (BIC)]; and on a hydrostatic system [i.e.
D. Hellmann, Nikolaos Nikitas Giannakopoulos, Hans J. Schindler, Hans J. Schindler, Sophia Terebesi, Peter Rammelsberg, Fabian Brüstle, Lydia Eberhard   +7 more
openaire   +4 more sources

Statically balanced brakes

Precision Engineering, 2016
Abstract Conventional brakes require a powerful actuator, leading to large, heavy and in most cases energy consuming brakes. This paper introduces a fundamentally different brake concept called statically balanced brakes (SBBs). SBBs do not require any actuation force to maintain a braking torque and only have to move a small mass to vary that torque.
Gerard Dunning, Tom van der Hoeven, Michiel Plooij, Martijn Wisse   +3 more
openaire   +2 more sources

Static balancing of parallel robots

Mechanism and Machine Theory, 2005
In this paper, the static balancing of spatial parallel manipulator is addressed. Static balancing is defined as that the weight of the links does not produce any force at actuators for any configuration of the manipulator. In order to obtain the balancing condition, the position vector of the global center of the mass is expressed as a function of the
RUSSO A, SINATRA, Rosario, XI F.
openaire   +4 more sources

Static Balance in Young Children

Child Development, 1984
CLARK, JANE E., and WATKINS, DEBRA L. Static Balance in Young Children. CHILD DEVELOPMENT, 1984, 55, 854-857. The purpose of this study was to describe the static balance ability of 6-9-year-old children. A 32-item test battery was administered to 154 subjects.
Jane E. Clark, Debra L. Watkins
openaire   +1 more source

Static Balancing of Tensegrity Mechanisms

Volume 7: 29th Mechanisms and Robotics Conference, Parts A and B, 2005
The computation of the equilibrium configurations of tensegrity mechanisms is often a very tedious task even for relatively simple architectures. However, it has been observed that the complexity of this problem is significantly reduced when gravitational loads are compensated with the use of static balancing techniques.
Clément Gosselin, Marc Arsenault
openaire   +2 more sources

Static Balance Norms in Children

Physiotherapy Research International, 2013
The ability to sustain single leg stance and tandem stance is often used to determine the balance abilities of children, particularly after ankle or foot injury. The aim of this study was to assess performance norms on timed static balance tests in children aged 4 to 15 years.Cross-sectional studyChildren from schools across the Republic of Ireland (n =
Cillin Condon, Katie Cremin
openaire   +2 more sources

Vibration Effects on Static Balance and Strength

International Journal of Sports Medicine, 2010
The purpose of this study was to investigate the effects of a vibration training protocol and a conventional strength training program consisting of similar exercises on knee extensors and flexors strength and postural sway in middle-aged women. 38 women were randomly assigned into a Vibration Group (n=12, static and dynamic exercises on a vibration ...
Spiliopoulou, S.I., Amiridis, I.G., Tsigganos, G., Economides, D., Kellis, E.   +4 more
openaire   +3 more sources