Перегляд за автором "Dovbnya, A.N."

Сортувати за: Порядок: Результатів:

  • 99Mo and 67Cu isotope yields under production conditions of NSC KIPT electron accelerator KUT-30 
    Aizatsky, N.I.; Diky, N.P.; Dovbnya, A.N.; Ehst, D.; Lyashko, Yu.V.; Nikiforov, V.I.; Tenishev, A.Eh.; Torgovkin, A.V.; Uvarov, V.L.; Shevchenko, V.A.; Shramenko, B.I. (2010)
    Computer simulation has been used to determine the 99Mo and 67Cu isotope yields, as well as the radiation power absorbed in technological natural Mo- and Zn-based targets of different mass and geometry, and also, the power ...
  • About the possibility of using the field of the portable neutron generator for treatment of oncological diseases 
    Stoyanov, A.Ph.; Dovbnya, A.N.; Tsymbal, V.A. (Вопросы атомной науки и техники, 2017)
    The possibility of using a portable neutron generator (PNG) for the treatment of oncological diseases is being considered. It has been shown that when using PNG as a neutron source, it is possible to ensure sufficient ...
  • About the use in nuclear medicine of pharmaceuticals on the basis of the isotope ¹⁸F and its achievements on linear electron accelerators of NIK "Accelerator" 
    Azarov, A.I.; Dovbnya, A.N.; Dolzhec, M.A.; Kushnir, V.A.; Mitrochenko, V.V.; Perezhogin, S.A.; Selivanov, L.I.; Tereshchenko, V.A.; Titov, V.Yu.; Titov, D.V.; Shevchenko, V.A.; Shramenko, B.I. (Вопросы атомной науки и техники, 2017)
    The importance widely used in the world of Radiopharmaceutical: 2-fluoro [¹⁸F]-2-deoxy-D-glucose (fluo-rideglucose, ¹⁸F) for the diagnosis of various diseases using PET and CT imaging are shown. Provides information about ...
  • Accelerating section for technological electron linac 
    Ayzatsky, M.I.; Biller, E.Z.; Dovbnya, A.N.; Kramarenko, K.Yu.; Khodak, І.V.; Kushnir, V.A.; Mytrochenko, V.V.; Nikitina, T.Ph.; Opanasenko, A.M.; Perezhogin, S.A.; Stepin, D.L.; Selivanov, L.I.; Zhiglo, V.Ph. (Вопросы атомной науки и техники, 2016)
    The construction parameters and electrodynamic characteristics of the accelerating section with phase advance of 120° at the operating frequency of 2856 MHz are presented. This section is designed to upgrade the electron ...
  • An influence of gamma-irradiation and ²³⁸U fragments on single-crystal silicon properties 
    Dovbnya, A.N.; Yefimov, V.P.; Pugachev, G.D.; Dyomin, V.S.; Dovbnya, N.A.; Gordienko, J.E.; Borodin, B.G.; Babychenko, S.V.; Semenets, T.A. (Вопросы атомной науки и техники, 2006)
    In the paper the processes of accumulation of radiation defects, formed by fragments of ²³⁸U nucleus fission, for forming of amorphous phases in the bulk of single-crystal silicon and the influence of the temperature ...
  • Antineoplastic therapy by radioactive cisplatin in experiment 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Y.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2007)
    The method of ¹⁹⁵mPt production on linear electron accelerators and cyclotron of NSC KIPT are described. The method of ¹⁹⁵mPt separation from the irradiated samples are developed. The methods of cisplatin synthesis with ...
  • Application of evolutionary algorithms for the model-free determination of scattering matrix and the numerical diagonalization of Nilsson-model Hamiltonian 
    Vodin, A.N.; Korda, V.Yu.; Dovbnya, A.N.; Molev, A.S.; Korda, L.P. (Вопросы атомной науки и техники, 2004)
    A new model-free approach for analyzing the intermediate-energy light nucleus-nucleus elastic-scattering differential cross-sections is proposed to extract the numerical dependencies of S-matrix modulus and nuclear phase ...
  • Application of gamma activation analysis for research of Cs and I diffusion into a glassceramic matrix 
    Dikiy, N.P.; Gabelkov, S.V.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Saenko, S.Yu.; Surkov, A.E.; Tarasov, V.V.; Uvarov, V.L.; Fedorets, I.D.; Holomeev, G.A.; Borovlev, V.I.; Zabolotny, V.D.; Medvedev, D.V. (Вопросы атомной науки и техники, 2006)
    Nuclear reactions ¹³³Cs(γ,n)¹³²Cs, ¹²⁷I(γ,n)¹²⁶I were utilized for research of Cs and I diffusion in glassceramic matrices. The glassceramic matrix was manufactured with the help of hot isostatic pressing at 910°C and ...
  • Application of linac for study of diffusion macro- and trace elements in minerals used at vacuum drying 
    Dikiy, N.P.; Dovbnya, A.N.; Kutovoy, V.A.; Medvedeva, E.P. (Вопросы атомной науки и техники, 2004)
    The gamma activation analysis at the powerful linear accelerator was used for study of element diffusion in minerals of heating elements before vacuum drying. It is shown, that after vacuum drying the transition of ...
  • Application of permanent magnets for forming solenoidal fields 
    Bovda, A.М.; Dovbnya, A.N.; Mytsykov, A.O.; Reshetnyak, N.G.; Zakutin, V.V. (Вопросы атомной науки и техники, 2001)
    In the paper the possibility of forming a solenoidal magnetic field with the help of the permanent ring-shaped magnets is considered. The results of modeling a magnetic field for the magnets with the various inside diameter ...
  • A study on emission characteristics of a plasma focus in the discharge system with a metal-ceramic junction 
    Ajzatsky, N.I.; Dovbnya, A.N.; Khautiev, Eh.Yu.; Krasnogolovets, M.A.; Krauz, V.I.; Reshetnyak, N.G.; Semenets, T.A.; Volkolupov, Yu.Ya.; Zakutin, V.V. (Вопросы атомной науки и техники, 2001)
  • Beam dynamics in an initial part of a high brightness electron linac 
    Ayzatsky, M.I.; Gutovsky, D.E.; Dovbnya, A.N.; Kushnir, V.A.; Mytrochenko, V.V.; Perezhogin, S.A. (Вопросы атомной науки и техники, 2001)
    The paper is focused on problems of obtaining a bright electron beam in a system that includes a grid-controlled electron gun, a klystron type subharmonical buncher, a standing wave fundamental buncher with increasing ...
  • Beam parameters of an S-band electron linac with beam energy of 30…100 MeV 
    Dovbnya, A.N.; Aizatsky, M.I.; Boriskin, V.N.; Kushnir, V.A.; Mytrochenko, V.V.; Opanasenko, A.N.; Perezhogin, S.A.; Reprintsev, L.V.; Savchenko, A.N.; Stepin, D.L.; Tatanov, V.I.; Zhiglo, V.F. (Вопросы атомной науки и техники, 2006)
    An S-band electron linac has been erected at the NSC KIPT to cover an energy range from 30 to about of 100 MeV. The linac consists of a couple of four-meter long piecewise homogeneous accelerating sections. Each section is ...
  • Beam position monitoring in pulsed high-current electron linear accelerators 
    Boriskin, V.N.; Gurin, V.A.; Dovbnya, A.N.; Reprintsev, L.V.; Savchenko, A.N.; Tatanov, V.I.; Shendrik, V.A. (Вопросы атомной науки и техники, 2000)
    The paper presents design and test results for the channel measuring the position (relative to the accelerator axis) of the center of the electron beam with a pulse length of 4 ms, a pulse current up to 1000 mA, a pulse ...
  • Beam transport system selection on the accelerator LU-10 
    Dovbnya, A.N.; Guk, I.S.; Kononenko, S.G.; Tarasenko, A.S. (Вопросы атомной науки и техники, 2013)
    Presently at the NSC KIPT the upgrading of the linear accelerator LU-10, designed for radiation processing of materials and products within the range of about 10 MeV, is started. For the accelerator operation time be used ...
  • Cesium, strontium and sodium diffusion in magnesium kalium phosphates system 
    Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedev, D.V.; Medvedeva, E.P.; Repikhov, O.A.; Saenko, S.Y.; Shkuropatenko, V.A.; Tarasov, R.V.; Fedorets, I.D.; Khlapova, N.P. (Вопросы атомной науки и техники, 2014)
    Nuclear-physical methods have been used for determination of diffusion coefficient of Cs, Na, Sr and Ga in samples on the basis of Ceramicrete which contained simulators of a liquid radioactive waste of "Hanford-1", KW and ...
  • Characteristics of KIPT staff by groups of radiation risk 
    Dovbnya, A.N.; Mazilov, A.V.; Stadnik, I.A. (Вопросы атомной науки и техники, 2014)
    The methodology of individual radiation cancer risk assessment UNSCEAR-94 has been described. Characteristics of KIPT staff at the individual monitoring, in terms of the "Dose-response matrix" have been reviewed. The main ...
  • Choice of the basic variant for the NSC KIPT accelerator on nuclear and high energy physics 
    Dovbnya, A.N.; Guk, I.S.; Kononenko, S.G.; van der Wiel, M.; Botman, J.I.M.; Tarasenko, A.S. (Вопросы атомной науки и техники, 2004)
    Present worldwide (and European) developments and requirements in nuclear physics, related in particular to nuclear power needs, call for the development of a new generation of accelerators for the realization of this ...
  • Comparative analysis of pulsed and steady radiation influence on dynamic of extractives 
    Dikiy, N.P.; Dovbnya, A.N.; Kutovoy, V.A.; Kutovoy, S.V.; Medvedeva, E.P.; Medvedev, D.V.; Borisenko, V.N. (Вопросы атомной науки и техники, 2006)
    An electron accelerator has been applied to radiation technology for extraction of grape polyphenols after the grape being preliminary dried in vacuum. It is shown that the extraction process is more effective while the ...
  • Control of pulsed beam parameters at the exit channel of the high-intensity linac 
    Vereshchaka, V.N.; Dovbnya, A.N.; Dronov, R.N.; Myakushko, L.K.; Reprintsev, L.V.; Savchenko, A.N.; Sarvilov, A.A.; Tatanov, V.I.; Shevchenko, V.A.; Shendrik, V.A.; Boriskin, V.N. (Вопросы атомной науки и техники, 2014)
    Control of beam parameters is important for maintenance of linac operating conditions, as well as, for securing a high-speed protection of exit channel components against the beam damage. For this purpose the beam current, ...