Results 1 to 10 of about 165,018 (295)
Plasma processing of large curved surfaces for superconducting rf cavity modification [PDF]
Physical Review Special Topics. Accelerators and Beams, 2014 Plasma-based surface modification of niobium is a promising alternative to wet etching of superconducting radio frequency (SRF) cavities. We have demonstrated surface layer removal in an asymmetric nonplanar geometry, using a simple cylindrical cavity ...
J. Upadhyay +5 more
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Alternative solid hydrocarbons as propellants for electrothermal plasma radio-frequency thrusters [PDF]
Scientific ReportsOnboard propulsion is vital for extending the operational lifespan of CubeSat missions. Although electrothermal plasma thrusters are a promising low-power solution, their development has historically focused on gaseous propellants, leaving alternative ...
Thimthana Lee +4 more
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Influence of anisotropic plasma antenna parameters on scattering pattern and radar cross section [PDF]
فناوری در مهندسی هوافضا, 2022 In this research, a plasma column with a circular cross section magnetized by a DC-axial magnetic field is investigated as a plasma antenna. The radar cross-section and the scattering pattern of radio waves landing to the antenna are studied. The present
zeinab rahmani +2 more
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Enhancement of Fungal Enzyme Production by Radio-Frequency Electromagnetic Fields
Journal of Fungi, 2022 Enzyme production by microorganisms on an industrial scale has demonstrated technical bottlenecks, such as low efficiency in enzyme expression and extracellular secretion.
Mayura Veerana +8 more
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Enhancement of Radio Frequency Plasma Plume by Pulsed Plasma Bullet at Atmospheric Pressure
Applied Sciences, 2022 An experimental study of a plasma plume generated by radio frequency atmospheric pressure glow discharge and enhanced in terms of plume length and intensity by pulsed discharge is presented.
Qianhan Han +4 more
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Remote Sensing, 2021 Based on the results of mathematical modeling, we consider the possibility to estimate the plasma frequency F2 layer maximum of the polar ionosphere (critical frequency, foF2) using frequency-sweeping radiation from a highly elliptical spacecraft orbit ...
Igor Krasheninnikov, Givi Givishvili
doaj +1 more source
Jurnal Nasional Teknik Elektro, 2014 Refill drinking water is a source of public drinking water in Indonesia, but the quality is not guaranteed. less optimal means of water treatment to remove pollutants in Drinking Water Refill (AMIU), especially for raw water containing total coliforms ...
Dean Corio, Ariadi Hazmi, Reni Desmiarti
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The Helical Resonator: A Scheme for Radio Frequency Plasma Generation
Applied Sciences, 2021 The helical resonator is a scheme for the production of high voltage at radio frequency, useful for gas breakdown and plasma sustainment, which, through a proper design, enables avoiding the use of a matching network.
Emilio Martines +3 more
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Plasma, 2023 Gold nanoparticles have been extensively studied due to their unique optical and electronic properties which make them attractive for a wide range of applications in biomedicine, electronics, and catalysis.
Tatiana Habib +4 more
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EXPLORATION OF THE SOLAR DECAMETER RADIO EMISSION WITH THE UTR-2 RADIO TELESCOPE [PDF]
Radio Physics and Radio Astronomy, 2021 Purpose: The overview of the scientifi c papers devoted to the study of the solar decameter radio emission with the world’s largest UTR-2 radio telescope (Ukraine) published for the last 50 years. Design/methodology/approach: The study and analysis of
V. N. Melnik +5 more
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