Results 101 to 110 of about 618,391 (283)

p-Mechanics and De Donder-Weyl Theory

open access: yes, 2003
The orbit method of Kirillov is used to derive the p-mechanical brackets [quant-ph/0212101]. They generate the quantum (Moyal) and classic (Poisson) brackets on respective orbits corresponding to representations of the Heisenberg group.
Kisil, Vladimir V.
core   +2 more sources

Pattern Formation in Non‐Equilibrium Architected Materials

open access: yesAdvanced Materials Technologies, EarlyView.
This article demonstrates an artificial mechanical system ‐ a robotic metamaterial ‐ as an accessible and versatile platform within which to explore and prescribe the reaction‐diffusion driven pattern formation hitherto associated with comparatively less accessible and versatile non‐equilibrium biological and chemical systems.
Vinod Ramakrishnan, Michael J. Frazier
wiley   +1 more source

Spectrophotometric assessment of tooth bleaching under orthodontic braquets bonded with different materials

open access: yesRevista de Odontologia da UNESP, 2017
Introduction patients have been submitted to tooth bleaching during orthodontic treatment for aesthetic purposes or to anticipate the replacement of restorations after completion of the treatment.
Camila Maria Lima de CASTRO   +4 more
doaj   +1 more source

Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering

open access: yesAdvanced Photonics Research, Volume 6, Issue 5, May 2025.
Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik   +7 more
wiley   +1 more source

Quadratic and quartic integrals using the method of brackets

open access: yes, 2019
16 pages, plain ...
Ananthanarayan, Balasubramanian   +3 more
openaire   +3 more sources

Efficacy of different methods to reduce pain during debonding of orthodontic brackets

open access: yesThe Angle Orthodontist, 2016
ABSTRACTObjective: To determine pain during debonding and the effects of different pain control methods, gender, and personal traits on the pain experience.Materials and Methods: Patients who had fixed orthodontic treatment with metal brackets, but no surgical treatment or craniofacial deformity, were included.
Tortop, Tuba   +3 more
openaire   +3 more sources

Symmetries and the Antibracket: The Batalin-Vilkovisky Method

open access: yes, 1997
These lectures on the Batalin-Vilkovisky method of quantization were delivered at "VII Mexican School of Particles and Fields", M\'erida, M\'exico, October 30-November 6, 1996.
Alfaro, Jorge
core   +2 more sources

Elimination of Necking and Aspect Ratio Dependence in Uniaxial Actuators by Continuous Fiber Reinforcement

open access: yesAdvanced Robotics Research, EarlyView.
A novel carbon fiber reinforcement for dielectric elastomer actuators enhances actuation force while decoupling electromechanical performance from the actuator's aspect ratio. Unlike conventional fiber reinforcements, it enables a uniform planar stretch state along the entire actuator.
Markus Koenigsdorff   +8 more
wiley   +1 more source

A Proof‐of‐Concept Assessment of a Novel Wearable Eyelid Muscle Device: A Pre‐Clinical Animal Cadaver Study for Eyelid Closure Restoration

open access: yesAdvanced Robotics Research, EarlyView.
This article introduces a soft wearable eyelid sling device incorporating a hydraulic soft artificial muscle (SAM) for achieving complete closure of an eyelid. The SAM is driven by a cam mechanism that provides a displacement profile closely matched with those of a healthy eyelid.
Patrick Pruscino   +7 more
wiley   +1 more source

CANONICAL STRUCTURE OF GAUGE INVARIANCE PROCA'S ELECTRODYNAMICS THEORY

open access: yesMomento, 2018
Proca's electrodynamics describes a theory of massive photons which is not gauge invariant. In this paper we show that the gauge invariance is recovered if a scalar field is properly incorporated into the theory.
German E. Zambrano, Bruto M. Pimentel
doaj   +1 more source

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