Results 1 to 10 of about 332,440 (134)

Comparative Evaluation of a Light-Cure Adhesion Booster on Shear Bond Strength Using Four Enamel Conditioning Techniques: An In Vitro Study

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: Effective bonding of orthodontic brackets is a critical factor for treatment success. Although acid etching with phosphoric acid is the gold standard, it may result in enamel loss and soft tissue irritation.
Polisetty Siva Krishna   +5 more
doaj   +2 more sources

The Structural and Optical Investigation of Grown GaN Film on Porous Silicon Substrate Prepared by PLD [PDF]

open access: yesEngineering and Technology Journal, 2023
The optical properties of a grown gallium nitride (GaN) thin film on a porous silicon (P-Si) substrate was investigated. A Photo-electrochemical etching method was used to synthesize the Psi substrate, and a physical deposition method (pulsed laser ...
Haneen Jabar   +3 more
doaj   +1 more source

Multi-silicon ridge nanofabrication by repeated edge lithography [PDF]

open access: yes, 2009
We present a multi-Si nanoridge fabrication scheme and its application in nanoimprint\ud lithography (NIL). Triple Si nanoridges approximately 120 nm high and 40 nm wide separated\ud by 40 nm spacing are fabricated and successfully applied as a stamp in ...
Berenschot, J.W.   +5 more
core   +17 more sources

Silicon flower structures by maskless plasma etching

open access: yesHeliyon, 2023
Silicon nano/microstructures are widely utilized in the semiconductor industry, and plasma etching is the most prominent method for fabricating silicon nano/microstructures.
Geng Zhao   +6 more
doaj   +1 more source

Surface Recombination and Space-Charge-Limited Photocurrent-Voltage (PC-V) Measurements in (Cd,Mn)Te Samples–Kinetics of Photocurrent (PC)

open access: yesSensors, 2022
Photocurrent-voltage characteristic (PC-V) is a method of determining the critical parameter in X-ray and gamma-ray detector plates, i.e., the carrier mobility-lifetime product, μτ.
Andrzej Mycielski   +12 more
doaj   +1 more source

Development of technology for the process of neutralization of pickling solution of metallurgical production [PDF]

open access: yesНаучно-технический вестник Брянского государственного университета, 2016
The leading branch of territorial-production complex of Russia - mechanical engineering. Companies of the industry throw dirt in the form of used organic solvents, toxic compounds of metals with waste galvanic and etching solutions, cutting fluids ...
Lamzina I.V.   +2 more
doaj   +1 more source

Silver-Coated Gold Nanorods as Optical Probes for the Sensitive Detection of Ascorbic Acid in Tablets

open access: yesChemosensors, 2022
Ascorbic acid (AA) has been widely used to improve human health since it was first found, such as resisting scurvy, enhancing immunity, and preventing arteriosclerosis.
Shuai Wen   +4 more
doaj   +1 more source

Effect of Resin Infiltration and Various Etching Techniques on the Bond Strength of Sound and Demineralized Enamel

open access: yesEuropean Annals of Dental Sciences, 2023
Purpose: The objective was to assess the effect of various etching techniques on the shear bond strength(SBS) of resin infiltrated sound/ demineralized enamel.
Duygu Tuncer, Zümrüt Ceren Özduman
doaj   +1 more source

Evaluation of Etching Time and Concentration on Shear Bond Strength of Metallic Brackets Using a 10-MDP Containing Adhesive [PDF]

open access: yesIranian Journal of Orthodontics, 2017
Background: Bonding is the most commonly used technique to attach brackets to tooth surfaces. Objectives: The aim of this study was to determine the effects of time and concentration of etching with phosphoric acid on shear bond strength (SBS) of ...
Esfandiar Akhavan Niaki   +2 more
doaj   +1 more source

Impact of Thermal Treatment on the Surface of Na0.5Bi0.5TiO3-Based Ceramics

open access: yesCrystals, 2021
Thermal etching is a widely accepted surface treatment method for studying microstructure in Na0.5Bi0.5TiO3-based compositions. Surprisingly, besides the flat pattern of grains (suitable for evaluating ceramics’ microstructure), images illustrating well ...
Liga Bikse   +7 more
doaj   +1 more source

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