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Valențe artistice și simbolice în creația grafică a lui Gheorghe Vrabie [PDF]
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
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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
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The growth of sapphire single crystals [PDF]
Sapphire (Al2O3) single crystals were grown by the Czochralski technique both in air and argon atmospheres. The conditions for growing sapphire single crystals were calculated by using a combination of Reynolds and Grash of numbers.
Golubović Aleksandar+3 more
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Plasma etching of polystyrene latex particles for the preparation of graphene oxide nanowalls [PDF]
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
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Evaluation of sample temperature and applied power on degradation of stearic acid in inductively coupled radio frequency plasma [PDF]
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
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The growth of Nd:CaWO4 single crystals [PDF]
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
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The Structural and Optical Investigation of Grown GaN Film on Porous Silicon Substrate Prepared by PLD [PDF]
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
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Manipulating etch selectivities in XeF2 vapour etching [PDF]
The vapour etching of silicon sacrificial layers is often a critical process in the fabrication of micro/nanosystems. This method has a number of attractive features, in particular, high etch rates of sacrificial silicon layers and good selectivities associated with photoresist, SiO₂, stoichiometric Si₃N₄ and a number of regularly used metal films ...
Rondé, Markus+2 more
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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
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Robotic Sponge and Watercolor Painting Based on Image-Processing and Contour-Filling Algorithms
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
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