Results 81 to 90 of about 97,680 (285)

Impurity and Trace Tritium Transport in Tokamak Edge Turbulence [PDF]

open access: yes, 2004
The turbulent transport of impurity or minority species, as for example Tritium, is investigated in drift-Alfv\'en edge turbulence. The full effects of perpendicular and parallel convection are kept for the impurity species. The impurity density develops
M. E. Perry   +3 more
core   +1 more source

Universal Gripper for Industrial Manipulation With Enhanced Rigid Mechanics and Self‐Adaptable Fingers

open access: yesAdvanced Robotics Research, EarlyView.
An enhanced universal gripper combining rigid mechanics with self‐adaptable fingers is presented for industrial automation. The novel six‐bar linkage with integrated compliant pad eliminates mechanical interference while enabling passive shape adaptation.
Muhammad Usman Khalid   +7 more
wiley   +1 more source

A Review on Grip and Pinch Strength Tests

open access: yesErgonomics International Journal, 2023
Grip strength measurement data has many applications in health assessment and ergonomic strategies. However, this issue has been neglected by wellness researchers and activists in Iran. Therefore, this study was designed to review the factors affecting grip strength, the protocol and tools necessary for grip strength tests, the validity and reliability
openaire   +1 more source

Extensive degeneracy, Coulomb phase and magnetic monopoles in an artificial realization of the square ice model

open access: yes, 2016
Artificial spin ice systems have been introduced as a possible mean to investigate frustration effects in a well-controlled manner by fabricating lithographically-patterned two-dimensional arrangements of interacting magnetic nanostructures.
A Farhan   +43 more
core   +3 more sources

Three-Dimensional MHD Simulation of Caltech Plasma Jet Experiment: First Results [PDF]

open access: yes, 2014
Magnetic fields are believed to play an essential role in astrophysical jets with observations suggesting the presence of helical magnetic fields. Here, we present three-dimensional (3D) ideal MHD simulationsof the Caltech plasma jet experiment using a ...
Bellan, Paul M.   +3 more
core   +3 more sources

Grip and Grasp: Lizard Claw Inspired Robotic Manipulators

open access: yesAdvanced Robotics Research, EarlyView.
Our study identifies the most effective lizard claw shape for use as an end effector in a bioinspired robotic manipulator. By examining key geometric features and combining them into comparative indices, the Crotaphytus collaris claw is found to be the best fit.
Hyeon Lee   +4 more
wiley   +1 more source

2D Copper MOF Membranes with Precise Pores for Ionic Memory

open access: yesAdvanced Science, EarlyView.
 . ABSTRACT Biological ion channels play a critical role in the complex physiological processes of living organisms. Inspired by these natural systems, we demonstrate the fabrication of ultrathin 2D copper‐based metal‐organic framework (CuMOF) films and their application to mimic key functionalities of biological membranes. Using a liquid–air interface
Hiran Jyothilal   +9 more
wiley   +1 more source

Donor site morbidity of the fasciocutaneous radial forearm flap: what does the patient really bother? [PDF]

open access: yes, 2007
The objective of this study was the evaluation of donor site morbidity in head and neck cancer patients after reconstruction using a free vascularized radial forearm flap with emphasis on subjective complaints.
Christien A. de Witt   +4 more
core   +1 more source

Hand strength and dexterity in patients with Prader–Willi syndrome: a pilot intervention study

open access: yesJournal of International Medical Research, 2018
Objective The study aim was to examine the hand function (hand strength and dexterity) and intervention effects of training in adults with Prader–Willi syndrome (PWS).
Wan-Ling Hsu   +5 more
doaj   +1 more source

Prediction of grip and key pinch strength in 978 healthy subjects

open access: yesBMC Musculoskeletal Disorders, 2010
Background Hand strength is an important independent surrogate parameter to assess outcome and risk of morbidity and mortality. This study aimed to determine the predictive power of cofactors and to predict population-based normative grip and pinch ...
Simmen Beat R   +5 more
doaj   +1 more source

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