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Перегляд за темою "Приложения и технологии"

Репозиторій DSpace/Manakin

Перегляд за темою "Приложения и технологии"

Сортувати за: Порядок: Результатів:

  • A conceptual design of a MeV-energy ion microprobe with an immersion probe-forming system 
    Ponomarev, A.G.; Ignat’ev, I.G.; Magilin, D.V.; Miroshnichenko, V.I.; Storizhko, V.E. (Вопросы атомной науки и техники, 2003)
    The authors propose a new design for a MeV-energy ion microprobe based on the immersion probe-forming system that employs the accelerating tube at an early stage of beam focusing. The final probing beam formation on the ...
  • Acoustic fields generation by plasmoids in the wellbores 
    Fedun, V.I.; Kolyada, Yu.E.; Bulanchuk, O.N. (Вопросы атомной науки и техники, 2013)
    In this paper it is proposed a method of acoustic pulses generation in a wellbore by means a plasma gun which located at the well mouth. Acoustic measurements results are presented. It is shown that the wellhead pressure ...
  • Aluminum surface coating of copper using highcurrent electron beam 
    Donets, S.E.; Klepikov, V.F.; Lytvynenko, V.V.; Lonin, Yu.F.; Ponomarev, A.G.; Starovoytov, R.I.; Startsev, O.A.; Uvarov, V.T. (Вопросы атомной науки и техники, 2015)
    High-current electron beam irradiation has been applied for surface coating of copper with aluminum in ablative mode at the TEMP-A accelerator with energy of 350 keV, pulse length of 5 μs, and fluence 10…200 J/cm2. The ...
  • Dependence of magnetron characteristics on the secondary-emission yield of cold cathode 
    Avtomonov, N.I.; Sosnytskiy, S.V.; Vavriv, D.M. (Вопросы атомной науки и техники, 2006)
    Particle simulations of mm-wavelength magnetrons with cold secondary-emission cathodes show that such important practical characteristics as the output power, efficiency, and operation current are dependent on ...
  • Develoment of ozone-dynamic technology for processing of used tyres 
    Golota, V.I.; Taran, G.V.; Zamuriev, A.A. (Вопросы атомной науки и техники, 2015)
    The results of research on the influence of different factors on disintegration of rubber goods by the ozone-dynamic method are presented. The dependence of disintegration rate on the time of treatment, temperature and ...
  • Development of negative ion source with combined discharge 
    Goretskii, V.P.; Dobrovolskiy, A.M. (Вопросы атомной науки и техники, 2015)
    The results of investigation of emission productivity of negative particles source with combined discharge are presented. A cylindrical beam of negative hydrogen ions with density about 5 A/cm² on source emission aperture ...
  • Dispersion of the surface magnetoplasmons 
    Ivko, S.V.; Denysenko, I.B.; Smolyakov, A.I.; Azarenkov, N.A. (2010)
    We study the dispersion properties and transmission of a p-polarized electro-magnetic wave in a two-layer plasma structure in presence of an external magnetic field. The conditions for resonance transmission are found. The ...
  • Dynamics of macroparticles in a magnetic filter for a vacuum arc plasma sources 
    Bizyukov, A.A.; Chibisov, D.V.; Chibisov, A.D.; Romashchenko, E.V.; Kovalenko, V.V. (Вопросы атомной науки и техники, 2015)
    The possibility of transportation of charged macroparticles (MPs) through a magnetic filter is studied. It is shown that when MPs moves through the curved magnetic filter its can be charged either positively or negatively. ...
  • Effect of generation of multiple-frequency RF power in the O-type tube 
    Dovbnya, A.N.; Tur, Yu.D.; Rodyakin, V.E.; Sandalov, A.N. (Вопросы атомной науки и техники, 2008)
    The necessity to create the RF sources operating in the multifrequency mode is supported by the proposals concerning the suppression of the emittance growth generated inside the RF gun and the possibility to increase the ...
  • Electromagnetic filter for H⁻ separation from pig with metal hydride cathode 
    Sereda, I.N.; Tseluyko, A.F.; Ryabchikov, D.L.; Hrechko, Ya.O.; Krupka, A. (Вопросы атомной науки и техники, 2018)
    The paper proposes a design and method for calculating an electromagnetic filter for separation of negative hydrogen ions extracted in the longitudinal direction from the Penning discharge with a metal hydride cathode. ...
  • Experimental study of secondary emission radioisotope current source prototype 
    Kononenko, S.I.; Kalantaryan, O.V.; Kolesnik, V.T.; Muratov, V.I.; Karas, V.I.; Filippenko, V.E. (Вопросы атомной науки и техники, 2008)
    The results of experimental investigations of prototype of secondary emission radioisotope current source are presented. Novel physical idea of nuclear particle energy conversion into electricity by means of secondary ion ...
  • Formation mechanism of the metallic nanostructures using pulsed axial electrothermal plasma accelerator 
    Kolyada, Yu.E.; Fedun, V.I.; Tyutyunnikov, V.I.; Savinkov, N.A.; Kapustin, A.E. (Вопросы атомной науки и техники, 2013)
    Paper is devoted of the formation mechanism of metal the nanoparticles in the development of high-current pulsed electric discharge in a limited volume at atmospheric pressure. The original design of the axial electrothermal ...
  • Forward and backward electron emission in binary cell of radioisotope current source 
    Kononenko, S.I.; Zhurenko, V.P.; Kalantaryan, O.V.; Semerenskiy, A.A. (Вопросы атомной науки и техники, 2015)
    It was shown that ratio of forward and backward yields for Ti-Ti binary cell of the SERICS was close to other materials. Isotropic emission of alpha particles from the surface of radioisotope source led to dependency of ...
  • Gas magnetron deposition of structured TiO₂ nanofilms 
    Dobrovolskiy, A.M.; Goncharov, A.A.; Kostin, E.G.; Frolova, E.K. (Вопросы атомной науки и техники, 2013)
    The paper describes the peculiarities of deposition nano-sized titanium dioxide coatings in the cylindrical inverted gas magnetron. It is shown the influence of the main parameters magnetron sputtering, like as working gas ...
  • Impact of energy spread of electron beam on absorbed dose distribution 
    Lazurik, V.T.; Lazurik, V.M.; Popov, G.F.; Rogov, Yu.V.; Sarukhanian, G.E.; Vereshchaka, V.V. (Вопросы атомной науки и техники, 2013)
    The results of numerical research on dependence of absorbed dose on energy spread of electron beam with twosided irradiation are presented in this paper. The dependence of change in value of absorbed dose in the critical ...
  • Investigation of copper samples with ion-plasma treatment on the high voltage breakdowns 
    Baturin, V.A.; Karpenko, A.Yu.; Storizhko, V.Е.; Shutko, V.A. (Вопросы атомной науки и техники, 2018)
    The paper presents the results of studies of the effect of ion-plasma treatment of copper surfaces on their resistance to high-vacuum breakdowns. It has been experimentally shown that the plasma and ion-beam modification of ...
  • Ion microbeam formation for study of radiationinduced segregation at grain boundaries in construction materials 
    Romanenko, A.V.; Ponomarov, A.A.; Ponomarev, A.G. (Вопросы атомной науки и техники, 2015)
    The approaches for creating focused ion beams with a high current density and near-uniform current distribution in a spot, that allows an uniform dose for further micro irradiation technique, were considered. A numerical ...
  • Matching of beam phase density distribution with ion-optic characteristics of a probe-forming system in nuclear microprobe 
    Ponomarov, A.A.; Miroshnichenko, V.I. (2010)
    The nonuniform phase density distribution of the beam particles and its nonlinear dynamic simulation in the probe-forming system used to obtain distribution profiles of the beam current density on the target subject to the ...
  • Observation of parametric X-ray radiation excited by 50 GeV protons and identification of background radiation origin 
    Afonin, A.G.; Britvich, G.I.; Chesnokov, Yu.A.; Chirkov, P.N.; Durum, A.A.; Kostin, M.Yu.; Lutchev, A.V; Maisheev, V.A.; Yanovich, A.A.; Shchagin, A.V.; Truten’, V.I.; Ganenko, V.B.; Kirillin, I.V.; Shul’ga, N.F.; Kubankin, A.S.; Nasonov, N.N.; Potylitsyn, A.P.; Gogolev, A.S.; Uglov, S.R.; Cherepennikov, Yu.M.; Karataev, P. (Вопросы атомной науки и техники, 2013)
    The experimental layout designed to study properties of focused parametric X-ray radiation generated by relativistic protons in a bent crystal and parametric X-ray radiation generated by relativistic ions and positrons at ...
  • On the influence of copper impurities on the transport properties of thermal water plasma 
    Porytskyy, P.V. (Вопросы атомной науки и техники, 2015)
    The influence of copper impurities on the transport properties of multicomponent thermal plasma is considered in the ambient atmosphere of water vapors. The calculations are carried out on the base of Grad’s method, and ...