Results 21 to 30 of about 18,946 (293)

Nondestructive Profilometry of Optical Nanofibers [PDF]

open access: yesNano Letters, 2016
Single-mode optical nanofibres are a central component of a broad range of applications and emerging technologies. Their fabrication has been extensively studied over the past decade, but imaging of the final sub-micrometre products has been restricted to destructive or low-precision techniques.
Madsen, Lars S.   +3 more
openaire   +6 more sources

Development of an electronic profilometer to measure mobilization variables in soil harrowing

open access: yesSpanish Journal of Agricultural Research, 2023
Aim of study: This experiment's objective is to develop an automatic data acquisition system for profilometry, evaluating four harrowing speeds. Area of study: Federal University of Parana, Curitiba, Brazil.
Gabriel G. Zimmermann   +4 more
doaj   +1 more source

The Effect of Thermocycling and Surface Treatments on the Surface Roughness and Microhardness of Three Heat-Pressed Ceramics Systems

open access: yesCrystals, 2020
Dental ceramic restorations are widely used in restorative dentistry. However, these restorations can be affected once cemented in the oral cavity by several factors.
Roxana-Diana Vasiliu   +4 more
doaj   +1 more source

Cavitation erosion of electrostatic spray polyester coatings with different surface finish [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2021
Polyester coatings are among the most commonly used types of powder paints and present a wide range of applications. Apart from its decorative values, polyester coating successfully prevents the substrate from environmental deterioration.
Mirosław Szala   +2 more
doaj   +1 more source

The Three-Dimensional Imaging of Rock Wall Surface with the Use of Computer-Based Image Processing and Analysis

open access: yesStudia Geotechnica et Mechanica, 2015
The paper presents two methods of digital mapping of rock walls in three dimensional space. The methods have been developed with the use of low-cost devices, which enable image acquisition, and processing methods based on digital image processing and ...
Oleszko Krzysztof, Młynarczuk Mariusz
doaj   +1 more source

Anorectal profilometry with the microtransducer

open access: yesJournal of British Surgery, 1984
Abstract The reproducibility of anal sphincter manometry has been evaluated in 17 patients with a continuous pull-through technique using a miniature transducer mounted on a 2mm diameter Dacron catheter. Comparison was made with a conventional station pull-through technique using a 4mm diameter waterfilled microballoon connected to an ...
J S, Varma, A N, Smith
openaire   +2 more sources

Surface Profilometry [PDF]

open access: yes, 2021
AbstractAs outlined in the previous chapter, existing technologies for surface profilometry show certain drawbacks in terms of resolution, dynamic measurement range, three-dimensional measurement capabilities and speed. The following chapter introduces a novel approach to surface profilometry which aims to provide solutions to the problems named.
openaire   +1 more source

Calibração da técnica de moiré aplicada a perfilometria de protótipos mecânicos Calibration method applied to a moiré technique in experiments of mechanical archetypes

open access: yesCiência e Agrotecnologia, 2009
A perfilometria é uma técnica amplamente utilizada na construção de mapas e gráficos de relevos aplicados a uma vasta área do conhecimento. Frente às necessidades de suprir a demanda da indústria e da área de desenvolvimento de protótipos quanto a ...
Túlio Seabra Gomes   +4 more
doaj   +1 more source

Characterization of the geometric properties of the sclero-conjunctival structure: a review [PDF]

open access: yesInternational Journal of Ophthalmology, 2020
To revise the peer-reviewed literature on geometric properties of the scleral-conjunctival structure in order to define their clinical relevance and the potential relationship between their changes and myopia development or progression.
Laurent Bataille, David P Piñero
doaj   +1 more source

Enamel surface roughness evaluation after bracket debonding: Comparison between light cure and self cure adhesive resin 3-Dimensional profilometric study

open access: yesIndian Journal of Dental Research, 2022
Introduction: After fixed orthodontic treatment, following bracket removal, the debonding procedure should lead to restitutio ad integrum of the enamel or, at least, restore the enamel surface as closely as possible to its pretreatment condition ...
Deepak Chandrasekharan   +3 more
doaj   +1 more source

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