Results 11 to 20 of about 73,461 (266)

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

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

Rapid fabrication of superhydrophobic high-silicon aluminum alloy surfaces with corrosion resistance

open access: yesResults in Physics, 2019
High-silicon aluminum alloy (high-Si Al alloy) usually used as the electronic packaging materials on the radar on ships have a susceptibility to corrosion, reducing the life of radar on ships. How to improve the corrosion-resistance ability of high-Si Al
Yankui Sun   +7 more
doaj   +1 more source

Evaluation of sample temperature and applied power on degradation of stearic acid in inductively coupled radio frequency plasma [PDF]

open access: yesMaterials Research, 2014
Plasma cleaning is a promising technology in surface treatments, despite technological interest its use is limited because its mechanisms still are not entirely understood.
Carlos Eduardo Farias   +6 more
doaj   +2 more sources

К вопросу об атрибуции гравированного «Портрета Д.А. Ровинского» работы В.Е. Маковского: тайна изображения на полях оттиска

open access: yesИскусство Евразии, 2023
Статья посвящена одному из примеров научно-исследовательской работы Приморской государственной картинной галереи с предметами музейных коллекций — атрибуции гравированного «Портрета Д.А. Ровинского», выполненного В.Е. Маковским.
Визиряка, А.С.
doaj   +1 more source

Robotic Sponge and Watercolor Painting Based on Image-Processing and Contour-Filling Algorithms

open access: yesActuators, 2022
In this paper, the implementation of a robotic painting system using a sponge and the watercolor painting technique is presented. A collection of tools for calibration and sponge support operations was designed and built.
Lorenzo Scalera   +4 more
doaj   +1 more source

SERS and Indicator Paper Sensing of Hydrogen Peroxide Using Au@Ag Nanorods

open access: yesSensors, 2022
The detection of hydrogen peroxide and the control of its concentration are important tasks in the biological and chemical sciences. In this paper, we developed a simple and quantitative method for the non-enzymatic detection of H2O2 based on the ...
Boris N. Khlebtsov   +3 more
doaj   +1 more source

Silicon Wafer Etching Rate Characteristics with Burst Width Using 150 kHz Band High-Power Burst Inductively Coupled Plasma

open access: yesMicromachines, 2021
The high-speed etching of a silicon wafer was experimentally investigated, focusing on the duty factor of 150 kHz band high-power burst inductively coupled plasma.
Hisaki Kikuchi   +4 more
doaj   +1 more source

Plasma etching of polystyrene latex particles for the preparation of graphene oxide nanowalls [PDF]

open access: yesJournal of the Serbian Chemical Society, 2012
Graphene oxide nanowalls were prepared by casting a water dispersion of polystyrene latex particles onto a graphene oxide film followed by tetrafluoromethane plasma etching.
Bon Bittolo Silvia, Valentini Luca
doaj   +1 more source

Carbon-Nanotube-Coated Surface Electrodes for Cortical Recordings In Vivo

open access: yesNanomaterials, 2021
Current developments of electrodes for neural recordings address the need of biomedical research and applications for high spatial acuity in electrophysiological recordings.
Katharina Foremny   +6 more
doaj   +1 more source

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