Results 41 to 50 of about 29,048 (184)

Relationship between Axial Length and Corneo-Scleral Topography: A Preliminary Study

Diagnostics, 2021
The main objective of the current study was to investigate further the relationship of the overall length of the eye with a great variety of anterior segment parameters, including scleral geometry.
Laurent Bataille, Ainhoa Molina-Martín, David P. Piñero   +2 more
doaj   +1 more source

Additive concentration and nozzle moving speed influence on local copper deposition for electrochemical 3D-printing

Journal of Electrochemical Science and Engineering
The local deposition process from copper sulfate electrolyte was investigated depending on nozzle moving speed and additive concentration in the electrolyte.
Roman Babchuk, Dmytro Uschapovskiy, Viktoria Vorobyova, Olga Linyucheva, Mykhailo Kotyk, Georgii Vasyliev   +5 more
doaj   +1 more source

Wear of Dental Filling Materials and Possibilities of its Measurement

Česká Stomatologie a Praktické Zubní Lékařství, 2018
Background: Tooth wear is a complex multifactorial phenomenon conditioned by the interaction of biological, mechanical, chemical and tribological factors.
P. Holík, Y. Morozova, R. Čtvrtlík, J. Tomáštík   +3 more
doaj   +1 more source

3D Measurement of Discontinuous Objects with Optimized Dual-frequency Grating Profilometry

Measurement Science Review, 2021
Three-dimensional profilometry tends to be less effective at measuring discontinuous surfaces. To overcome this problem, an optimized profilometry based on fringe projection is proposed in this paper.
Che Jun, Sun Yanxia, Jin Xiaojun, Chen Yong   +3 more
doaj   +1 more source

Effect of Temperature on the Corrosion Behavior of API X80 Steel Pipeline

International Journal of Electrochemical Science, 2015
The electrochemical behavior of API X80 pipeline steel in 3.5% of NaCl solution containing different concentrations of H2S at different temperatures was investigated.
C. Okonkwo Paul, Essam Ahmed, A.M.A. Mohamed   +2 more
doaj   +1 more source

Selective Area Epitaxy of Highly Strained InGaAs Quantum Wells (980–990 nm) in Ultrawide Windows Using Metalorganic Chemical Vapor Deposition

Nanomaterials, 2023
We employed the selective-area-epitaxy technique using metalorganic chemical vapor deposition to fabricate and study samples of semiconductor heterostructures that incorporate highly strained InGaAs quantum wells (980–990 nm emission wavelength ...
Viktor Shamakhov, Sergey Slipchenko, Dmitriy Nikolaev, Alexander Smirnov, Ilya Eliseyev, Artyom Grishin, Matvei Kondratov, Ilya Shashkin, Nikita Pikhtin   +8 more
doaj   +1 more source

Interdisciplinary consensus on Russian-language terminology of anorectal sphincterometry and profilometry [PDF]

Терапевтический архив, 2020
Aim to describe the results of a multidisciplinary discussion on the terminology of anorectal sphincterometry (AS) and profilometry (AP). We performed online survey with the use of public platform Google forms to harmonize Russian terms to be used to ...
Yu. A. Shelygin, O. Yu. Fomenko, S. V. Morozov, I. V. Maev, D. B. Nikityuk, D. V. Aleshin, S. V. Belousova, M. G. Biryukova, D. S. Bordin, A. V. Veselov, M. Yu. Gvozdev, L. H. Indeykina, V. A. Isakov, V. N. Kashnikov, A. M. Kuzminov, Yu. A. Kucheryavyy, A. Yu. Titov, E. D. Fedorov   +17 more
doaj   +1 more source

Suppression for Phase Error of Fringe Projection Profilometry Using Outlier-Detection Model: Development of an Easy and Accurate Method for Measurement

Photonics, 2023
Fringe projection is an important technology in three-dimensional measurement and target recognition. The measurement accuracy depends heavily on the calibration of the absolute phase and projector pixels. An easy-to-implement calibration method based on
Guangxi Dong, Xiang Sun, Lingbao Kong, Xing Peng   +3 more
doaj   +1 more source

The Difficulty of Measuring the Roughness of Glossy Surfaces Using the Triangulation Principle

Applied Sciences, 2023
In the experiment, the roughness was measured on a machined surface with high gloss, which was also the main requirement for the test samples. For this reason, the samples made of stainless steel A304 and aluminum alloy AW 2017 were created by a ...
Juraj Ružbarský
doaj   +1 more source

Features of Metalorganic Chemical Vapor Deposition Selective Area Epitaxy of Al_zGa_1−zAs (0 ≤ z ≤ 0.3) Layers in Arrays of Ultrawide Windows

Technologies, 2023
AlzGa1−zAs layers of various compositions were grown using metalorganic chemical vapor deposition on a GaAs substrate with a pattern of alternating SiO2 mask/window stripes, each 100 µm wide.
Viktor Shamakhov, Sergey Slipchenko, Dmitriy Nikolaev, Ilya Soshnikov, Alexander Smirnov, Ilya Eliseyev, Artyom Grishin, Matvei Kondratov, Artem Rizaev, Nikita Pikhtin, Peter Kop’ev   +10 more
doaj   +1 more source