Results 1 to 10 of about 117,314 (288)

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

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

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

Effect of Substrate-Thickness on Voltage Responsivity of MEMS-Based ZnO Pyroelectric Infrared Sensors

open access: yesApplied Sciences, 2021
Pyroelectric infrared sensors incorporating suspended zinc oxide (ZnO) pyroelectric films and thermally insulated silicon substrates are fabricated using conventional MEMS-based thin-film deposition, photolithography, and etching techniques.
Chia-Yen Lee   +3 more
doaj   +1 more source

Valențe artistice și simbolice în creația grafică a lui Gheorghe Vrabie [PDF]

open access: yesDialogica: Revistă de Studii Culturale și Literatură, 2021
Master of arts Gheorghe Vrabie is counting among those who played a significant role in the development of the national contemporary school of graphics. He outlined the symbolic identity of the country by elaborating its main attributes – the State Coat
Elena MUSTEAȚĂ
doaj   +1 more source

Estimation of erosion phenomena within helicon plasma sources through a steady-state explicit analytical model

open access: yesFrontiers in Physics, 2022
Helicon plasma sources produce high-density discharges without the need of electrodes in direct contact with the plasma, which is thought to provide them with long operational lifetimes.
Juan I. Del Valle    +4 more
doaj   +1 more source

The growth of Nd:CaWO4 single crystals [PDF]

open access: yesJournal of the Serbian Chemical Society, 2003
CaWO4 doped with 0.8 % at. Nd (Nd:CaWO4) single crystals were grown from the melt in air by the Czochralski technique. The critical diameter dc = 1.0 cm and the critical rate of rotation ωc = 30 rpm were calculated from hydrodynamic equations for ...
Golubović Aleksandar V.   +4 more
doaj   +1 more source

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