Results 21 to 30 of about 1,147,409 (263)

High-Precision Tribometer for Studies of Adhesive Contacts

open access: yesSensors, 2023
Herein, we describe the design of a laboratory setup operating as a high-precision tribometer. The whole design procedure is presented, starting with a concept, followed by the creation of an exact 3D model and final assembly of all functional parts. The
Iakov A. Lyashenko   +3 more
doaj   +1 more source

Clinical evaluation of differences in proximal contact strength of various fixed dental prosthesis materials

open access: yesIndian Journal of Dental Research, 2018
Objective: The study compared the proximal contact strength (CS) of different fixed dental prosthesis (FDP) materials. Materials and Methods: Thirty volunteers participated in this study with definitive inclusion and exclusion criteria. Participants were
N Gopi Chander, Arnob Biswas
doaj   +1 more source

Experimental Study on Pot Damage and Contact Stress Distribution Characteristics of Oil Sunflower Plug Seedlings

open access: yesApplied Sciences, 2022
To reveal the collision damage mechanisms of plug seedlings and improve the quality of seedlings, the kinetics equations of the plug seedlings were established based on the generalized Hertz-theory.
Fandi Zeng   +5 more
doaj   +1 more source

Contact mechanics: contact area and interfacial separation from small contact to full contact [PDF]

open access: yesJournal of Physics: Condensed Matter, 2008
15 pages, 23 ...
Yang, C., Persson, B. N. J.
openaire   +3 more sources

Effect of Storage Reservoir on Fluid Velocity in Lateral Flow Paper Device

open access: yesEngineering Proceedings, 2023
Paper-based microfluidics provides a versatile platform for numerous applications, including diagnostics at the point of care, environmental detection, and food quality control.
Hamza Abbas   +5 more
doaj   +1 more source

Study on Contact Between Double Metal Composite and Pipe Power Slip for Offshore Well

open access: yesPolish Maritime Research, 2017
The whole process of clamping offshore well double metal composite pipe was established, Reviewing the problems that in the oil and gas wells the double metal composite pipes frequently get plastic damage or even fracture failure when the power slips ...
Yu Wang   +3 more
doaj   +1 more source

Factors influencing the length of the interproximal dental papilla between maxillary anterior teeth

open access: yesJournal of Dental Sciences, 2009
The presence of interproximal dental papillae in maxillary anterior teeth is a key esthetic factor and a great concern for dentists and patients. The aim of this study was to determine the factors associated with the length of the interproximal dental ...
Min-Chieh Chen   +7 more
doaj   +1 more source

Association between brain lateralization and mixing ability of chewing side

open access: yesJournal of Dental Sciences, 2017
Background/purpose: Previous studies have suggested that functional dominance in one part of the body can be correlated with functional dominance in another part.
Seung-Min Lee   +6 more
doaj   +1 more source

Nanoscale Friction: Phonon Contributions for Single and Multiple Contacts

open access: yesFrontiers in Mechanical Engineering, 2019
A generic model has been developed to simulate the effect of phonon interactions during nanoscale sliding with an incommensurate interface. A rigid slider or array of sliders is translated across a 3D elastic slab whose mass elements are harmonically ...
Jeffrey L. Streator
doaj   +1 more source

Analysis of Load-Sharing and Contact Characteristics of the Concentric Face Gear Split-Torque Transmission System with Elastic Supports

open access: yesApplied Sciences, 2022
The concentric face gear split-torque transmission system (CFGSTTS) is a new form of drive that is primarily used in helicopter transmission systems. Its load-sharing performance among different branches and tooth contact characteristics have a great ...
Fei Gong   +3 more
doaj   +1 more source

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