Перегляд за автором "Lyashko, Yu.V."

Сортувати за: Порядок: Результатів:

  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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) ...
  • Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Nikiforov, V.I.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2013)
    Influence on efficiency of exciting of the E1-level ¹⁸¹Ta with energy 6.24 keV of neutron-capture reaction and photonuclear processes by means of the processes caused by passage of powerful electron beam through tantalum ...
  • Neklyudov, I.M.; Dovbnya, A.N.; Dikiy, N.P.; Ledenyov, O.P.; Lyashko, Yu.V. (Вопросы атомной науки и техники, 2013)
    The main aim of research is to investigate the physical features of spatial distribution of the adsorbed chemical elements and their isotopes in the granular filtering medium in the iodine air filters of the type of AU-1500 ...
  • Aizatskyi, M.I.; Dikiy, N.P.; Dovbnya, A.N.; Fedorets, I.D.; Kushnir, V.A.; Lyashko, Yu.V.; Medvedev, D.V.; Mytrochenko, V.V.; Onishchenko, I.N.; Perezhogin, S.A.; Pelichatyi, N.M.; Danilenko, I.A.; Konstantinova, T.E. (Вопросы атомной науки и техники, 2013)
    Radiation defects in nanoceramics zirconia were investigated after electron irradiation with energy 41…89 MeV up to doze 2.28…5.7·10¹⁴ electrons/cm². Radioactive isotopes ⁸⁷,⁸⁸Y, ⁸⁸,⁸⁹,⁹⁵Zr, ⁹⁵Nb, ¹⁷⁵Hf are registered after ...
  • Dubinko, V.I.; Dovbnya, A.N.; Sayenko, S.Yu.; Dikiy, N.P.; Shevyakova, E.P.; Grytsyna, V.M.; Surkov, A.E.; Bereznyak, E.P.; Lyashko, Yu.V.; Medvedeva, E.P. (Вопросы атомной науки и техники, 2006)
    Granite and tuff specimens have been γ- irradiated to the absorbed doses ranging from 10⁷ to 3.0·10⁸ Gy. Penetration profiles of cerium ¹³⁹Ce (actinide simulator) in granite and tuff specimens (before and after ...
  • Dikiy, N.P.; Dovbnya, A.N.; Karnaukhov, I.M.; Lyashko, Yu.V.; Mazilov, A.V.; Shevyakova, E.P.; Tolstolutskiy, A.G.; Uvarov, V.L.; Glygalo, V.N.; Rudya, K.G. (Вопросы атомной науки и техники, 2002)
    Isotope and element content the samples of Chornobyl 4-th wrecking unit materials (concrete fragments and lava-like materials) were investigated by γ-activation method using bremsstrahlung of the electron accelerator. The ...
  • Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Sayenko, S.Yu.; Tarasov, R.V.; Uvarov, V.L.; Kholomeyev, G.A.; Shevyakova, E.P.; Fedorets, I.D. (Вопросы атомной науки и техники, 2002)
    Gamma-activation analysis is used to study dynamics of leaching of various elements from granite samples. The sample preliminary irradiation and activation was carried out in the field of bremsstrahlung of electron ...
  • Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedev, D.V.; Medvedeva, E.P.; Parhomenko, Yu.G.; Uvarov, V.L.; Fedorets, I.D. (Вопросы атомной науки и техники, 2017)
    The effects of monovalent and bivalent impurities on the diffusive mobility sodium, caesium and strontium in magnesium potassium phosphate hexahydrate and clinoptilolite were analysed. It was determined that ratio of ...
  • Dikiy, N.P.; Lyashko, Yu.V.; Medvedeva, E.P.; Bodnar, E.N.; Grushka, A.V.; Krasnoselsky, N.V.; Paskevich, O.N. (Вопросы атомной науки и техники, 2015)
    Concentration ¹⁵³Sm in the blood of patients with bone metastasis after radionuclide therapy was determined. Considerable variation of the content of ¹⁵³Sm in blood of patients with various primary cancers from 10 to 65 ...
  • Dikiy, N.P.; Lyashko, Yu.V.; Medvedeva, E.P.; Katalevskaya, D.S.; Medvedev, D.V.; Parkhomenko, Yu.G.; Yatsuk, M.A.; Fedorets, I.D. (Вопросы атомной науки и техники, 2016)
    Проведено вимірювання питомої активності радіонуклідів у ґрунті, моховинні, лишайниках, листяних деревах та хвойній фітомасі. Вивчені особливості надходження и накопичення радіонуклідів ¹³⁷Cs, ⁴⁰К, ²²⁶Ra та інших у ...
  • Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Fedorets, I.D.; Khlapova, N.P.; Bakay, D.S. (Вопросы атомной науки и техники, 2011)
    The chemical reactivity of nanostructural clinoptilolite and γ-hematite which have highly selective for ¹³²Cs sorption from polyethylene surface and for liquid environments are studied. There are different components besides ...
  • Valter, A.A.; Storizhko, V.E.; Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Berlizov, A.N. (Вопросы атомной науки и техники, 2005)
    Combining nuclear microanalytical, mineralogical, crystallochemical and geochemical approaches, the authors analyze a possibility of natural occurrence of enriched or even pure and superpure rare isotopes that can be ...
  • Dikiy, N.P.; Borovlev, V.I.; Zabolotny, V.D.; Lyashko, Yu.V.; Medvedeva, Y.P.; Slabospitsky, R.P.; Fedorets, I.D.; Shlyakhov, N.A. (Вопросы атомной науки и техники, 2001)
    A summary of the analysis noble and rare metals by combined methods is presented. The electrodeposition of gold at a carbon film and Rutherford backscattering was used for determination its in ores. The sorbents and particle ...
  • Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Yu.V.; Medvedeva, E.P.; Medvedev, D.V.; Uvarov, V.L.; Fedorets, I.D.; Valter, A.A.; Storishko, V.E. (Вопросы атомной науки и техники, 2004)
    The low background nuclear physics techniques were used for measure age geologic samples of micas (biotite, lepidolite, muscovite, phlogopite) by means of detection a gamma radiation from radioisotopes. The nuclear reactions ...
  • Dikiy, N.P.; Kushnir, V.A.; Lyashko, Yu.V.; Mitrochenko, V.V.; Perezhogin, S.A.; Rogov, Yu.V.; Tenishev, A.Eh.; Torgovkin, A.V.; Uvarov, V.L.; Shevchenko, V.A.; Shlyakhov, I.N.; Shramenko, B.I. (Вопросы атомной науки и техники, 2013)
    Radioactive isotopes of palladium (¹⁰³Pd) and rhenium (¹⁸⁶Re and ¹⁸⁸Re) have found wide use in nuclear medicine. The present report deals with the conditions for their production by a photonuclear method at an electron ...