Перегляд за автором "Dikiy, N.P."

Сортувати за: Порядок: Результатів:

  • Analysis of structural transformations in natural quartzites under the influence of gamma irradiation 
    Bereznyak, E.P.; Dikiy, N.P.; Kolodiy, I.V.; Medvedeva, E.P.; Khodyreva, Yu.S. (Вопросы атомной науки и техники, 2021)
    Using the methods of IR spectroscopy, crystal-optical and XRD analysis the evolution of the structure of Ovruch deposit natural quartzites under the influence of γ-irradiation in the range of absorbed doses (Dabs = 10⁶…3.5⋅10⁷ ...
  • Analysis of uranium mobility and concentration process in objects of environment and patients’ kidney stones in Kharkiv region 
    Dikiy, N.P.; Lisovoy, V.N.; Bereznyak, E.P.; Kolupayev, S.M.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Hodyreva, Y.S. (Вопросы атомной науки и техники, 2021)
    The specific activity of ²³⁵U and content of native uranium for the Kharkiv region in drinking water, soil, roots, the leaf of hydrophyte “Pistia stratiotes” and the samples of kidney stones obtained from patients with ...
  • An estimate of ⁴⁷Sc photonuclear yield in a production target 
    Dikiy, N.P.; Lyashko, Yu.V.; Shevchenko, V.A.; Tenishev, A.Eh.; Uvarov, V.L.; Zakharchenko, A.A. (Вопросы атомной науки и техники, 2020)
    ⁴⁷Sc is considered as a promising beta-emitter for cancer immunotherapy. For its carrier-free production, the ⁴⁸Ti(γ,p) ⁴⁷ Sc reaction in the field of bremsstrahlung radiation of an electron accelerator can be used. On the ...
  • An estimate of cross-section of photo-proton reactions on ⁴⁷⁻⁵⁰Ti isotopes 
    Dikiy, N.P.; Zakharchenko, A.A.; Lyashko, Yu.V.; Uvarov, V.L.; Shevchenko, V.A.; Tenishev, A.Eh. (Вопросы атомной науки и техники, 2022)
    Development of technology of isotope production at an electron accelerator, in particular ⁴⁷Sc by the ⁴⁸Ti(γ,p)⁴⁷Sc reaction, requires accurate data on cross-sections of this and other photo-proton reactions on the titanium ...
  • Anthropogenic radionuclide and trace elements of soil and celandine in Kharkov city 
    Dikiy, N.P.; Lyashko, Yu.V.; Katalevska, D.S.; Parhomenko, Yu.G.; Botova, M.A. (Вопросы атомной науки и техники, 2014)
    Samples of celandine and soil from Kharkiv city territory were researched. Gamma spectrometric measurements have shown that the samples contain natural radionuclides of families of ²³⁸U, ²³⁵U, ²³²Th, and also ⁴⁰K and ...
  • 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 ...
  • A possibility of photonuclear production of planar ¹⁷⁹Tа sources 
    Dikiy, N.P.; Lyashko, Yu.V.; Rogov, Yu.V.; Uvarov, V.L. (Вопросы атомной науки и техники, 2013)
    Age-specific reduction of the bone mass (osteoporosis) is one of the most progressing human illness throughout the world. Its diagnostic is based on a measurement of the mineral density of bone mass by radiation absorptiometry ...
  • 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 nuclear-physics methods for studying the radionuclide transport in granite rocks 
    Dikiy, N.P.; Sayenko, S.Yu.; Uvarov, V.L.; Shevyakova, E.P. (Вопросы атомной науки и техники, 2000)
    The results of studying the migration of 169Yb as actinide-simulator in granite specimens in pristine state and preliminary irradiated with various γ-irradiation dose up to 3,0*109 rad are represented and briefly discussed. ...
  • 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 ...
  • 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 ...
  • Determination of isotopic ratio of сalcium by gamma activation analysis and free radical oxidation of lipids in normal and cancerous tissues of thyroid gland 
    Dikiy, N.P.; Dovbnya, A.N.; Меdvedeva, Е.P.; Khizhnyak, N.A.; Uvarov, V.L.; Khizhnyak, A.A.; Krasnoselsky, N.V. (Вопросы атомной науки и техники, 2000)
    Chemiluminescence and gamma activation analysis was used to determine the isotopic ratio of calcium in normal, non-malignant and cancerous tissues of thyroid gland. This result was used for diagnostics of cancerous thyroid ...
  • Development of a nuclear diagnosing proton beam for a collective ion accelerator 
    Dikiy, N.P.; Medvedev, D.V.; Onishchenko, I.N.; Pushkarev, S.S. (Вопросы атомной науки и техники, 2006)
    A nuclear method for determination of energy and intensity of a proton beam is proposed to use for investigation of collective ion acceleration by space charge waves arisen in an intense relativistic electron beam (REB) ...
  • Development of new trends in applied nuclear physics with the use of high-energy braking radiation 
    Dikiy, N.P.; Dovbnya, A.N.; Uvarov, V.L. (Вопросы атомной науки и техники, 2003)
    A review is given about investigation in nuclear medicine, atomic energetics (Chernobyl problem including), geology etc. that carried out in the NSC KIPT mainly during last decade on the basis of home made electron linacs.
  • Ecological aspects of 99Mo/99mTc production at an electron accelerator 
    Dikiy, N.P.; Lyashko, Yu.V.; Uvarov, V.L.; Shlyakhov, I.N.; Malets, Eu.B. (Вопросы атомной науки и техники, 2004)
    The present report deals with experimental investigations into possible processes of accumulation of radioactive by-products (RBPs) during 99Mo/99mTc production at an electron linac. Foils from natural molybdenum (a target) ...
  • Electron linac application for characterization and disposal of radioactive waste 
    Dikiy, N.P.; Dovbnya, N.A.; Sayenko, S.Yu.; Uvarov, V.L. (Вопросы атомной науки и техники, 2001)
    Rapid development of nuclear engineering, medicine and radiation technologies is accompanied by increase of the radioactive waste (RAW) including long-lived ones. A RAW handling assumes their element content and activity ...
  • Electron linac production of Co-57 for gamma-chamber calibration 
    Dikiy, N.P.; Dovbnya, N.A.; Repikhov, O.A.; Shlyakhov, I.N.; Uvarov, V.L.; Kravchenko, Ja.N. (Вопросы атомной науки и техники, 2001)
    Gamma-chambers are widely used in medicine diagnostics to obtain an organ image investigated by means of the scintigraphy method. A radionuclide Tc-99m which is accumulated in the organ and irradiates photons with the ...
  • Electron linacs in NSC KIPT: R&D and application 
    Antipov, K.I.; Ayzatsky, M.I.; Akchurin, Yu.I.; Boriskin, V.N.; Beloglasov, V.I.; Biller, E.Z.; Demidov, N.V.; Dikiy, N.P.; Dovbnya, A.N.; Dovbush, L.S.; Gurin, V.A.; Karasyov, S.P.; Kushnir, V.A.; Kosmin, V.A.; Myakushko, L.K.; Mitrochenko, V.V.; Nikitina, T.F.; Opanasenko, A.N.; Pugachev, G.D.; Repikhov, O.A.; Reprintsev, L.V.; Reshetnyak, N.G.; Popenko, V.A.; Seleznev, V.V.; Shramenko, B.I.; Shendrik, V.A.; Stepin, D.L.; Tarasov, G.E.; Tolstoy, A.E.; Tur, Yu.D.; Uvarov, V.L.; Zadvorny, A.S.; Zakutin, V.V.; Zlunitsyn, E.S.; Zykov, A.I. (Вопросы атомной науки и техники, 2001)
    A review is given about electron linacs of NSC KIPT and their some applications for research of radiation effects in reactor materials, channeling, plasma-beam interactions, geology (gamma-activation analysis of ore samples), ...