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Перегляд Вопросы атомной науки и техники, 2009, № 5 за темою "Ядернo-физические методы и обработка данных"

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Перегляд Вопросы атомной науки и техники, 2009, № 5 за темою "Ядернo-физические методы и обработка данных"

Сортувати за: Порядок: Результатів:

  • Argon activation in air at medical cyclotron RDS ECLIPSE during production of ¹⁸F 
    Bezshyyko, O.A.; Golinka-Bezshyyko, L.O.; Kadenko, I.M. (Вопросы атомной науки и техники, 2009)
    Medical cyclotrons are widely used to produce positron emitting isotopes for positron emission tomography. High level of air activation is possible due to high neutron flux as a result of ¹⁸O(p, n) ¹⁸F reaction. Reaction ...
  • Clinoptilolyte influence on the radionuclide ¹³⁷Cs removal from the animal organism 
    Lonin, A.Yu. (Вопросы атомной науки и техники, 2009)
    The possibility of zeolite use for the radionuclide ¹³⁷Cs removal from the animal organism under internal irradiation is investigated. The dependence of the dynamics of ¹³⁷Cs removal from the animal organism on such ...
  • Computation studying of the neutron yield from the neutron-production target irradiated with electrons 
    Prokhorets, I.M.; Prokhorets, S.I.; Rudychev, Y.V.; Skrypnik, A.I.; Fedorchenko, D.V.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2009)
    It is considered the modeling of neutron yield from the targets with high atomic numbers irradiated with accelerated electrons. Modeling results from the MCNPX and GEANT software are compared with existing experimental ...
  • Computer simulations of the stainless steel composition changes induced by neutron based nuclear reactions 
    Rudychev, Y.V.; Khazhmuradov, M.A.; Prokhorets, S.I.; Fedorchenko, D.V. (Вопросы атомной науки и техники, 2009)
    Problem of construction material composition changes induced by neutron fluxes of nuclear reactor VVER-1000 as a result of a nuclear reaction and associated activation processes was considered. The special methodic to ...
  • Effect of magnetic field distribution on isotopes separation in system with acute-angle geometry of magnetic field 
    Belikov, A.G.; Papkovich, V.G. (Вопросы атомной науки и техники, 2009)
    By numerical solving of the particle motion equations the separation of carbon isotopes 12C and 13C in varies magnetic field configuration is considered. It is shown, that isotope separation can be improved considerably ...
  • Efficiency of defects formation in spinel under high energy electron and gamma beam irradiation 
    Gokov, S.P.; Gritsyna, V.T.; Kasilov, V.I.; Kochetov, S.S.; Kazarinov, Yu.G. (Вопросы атомной науки и техники, 2009)
    There were provided the comparative investigations of the efficiency of optical absorption centers formation in magnesium aluminates spinel (single crystals and ceramics) at the influence of high energy gamma or electron ...
  • Estimation of palladium-103 radionuclide producibility at the cyclotron CV-28 for nuclear medicine 
    Petrusenko, Yu.T.; Lymar’, A.G.; Nikolaichuk, L.I.; Ponomarenko, T.A.; Tutubalin, A.I.; Shepelev, A.G. (Вопросы атомной науки и техники, 2009)
    Consideration is given to the possibility of 103P d radionuclide production in nuclear reactions on protons and deuterons at the cyclotron CV −28, for a subsequent use of the radionuclide in medicine, in particular, for ...
  • Generation of MeV -energy protons in WWER reactor core 
    Gann, A.V.; Gann, V.V. (Вопросы атомной науки и техники, 2009)
    The spectrum of fast protons, generated by fast neutrons of WWER-1000 reactor core in water, has been calculated using the Monte Carlo method. The main mechanism of fast proton generation in the moderator is found to ...
  • Measurement of the efficiency of iodine and iodine methyl vapors absorption from the ventilated airflow 
    Kolobrodov, V.G.; Sokolenko, V.I.; Khazhmuradov, M.A. (Вопросы атомной науки и техники, 2009)
    Facility for measurement of the efficiency of the iodine and iodine methyl vapors adsorbtion from the ventilated air flux is described. Different methods used for measurement of the adsorbtion filters cleaning coefficients ...
  • On possibility of separation of ²³⁹Pu and ²⁴⁰Pu contributions in emergency plutonium fallout of Chernobyl accident origin 
    Vodin, A.N.; Olejnik, S.N.; Rudak, E.A.; Ushakov, I.V.; Yachnik, O.I. (Вопросы атомной науки и техники, 2009)
    The experiment-calculated method for separation of total α-activities of plutonium isotopes A(²³⁹Pu+²⁴⁰Pu) on partial activities A(²³⁹Pu) and A(²⁴⁰Pu) in emergency fallout of Chernobyl accident origin is developed.
  • Possibility of 99mT c production at neutron generator 
    Dovbnya, A.N.; Kuplennikov, E.L.; Tsymba, V.A.; Krasil’nikov, V.V. (Вопросы атомной науки и техники, 2009)
    Possibility of application of the neutron generator with intensity of a thermal neutrons flux 10¹² n · cm⁻² · s⁻¹ for 99mT c production is considered. Estimations are made on the base of ⁹⁸Mo(n, γ) ⁹⁹Mo → 99mT c nuclear ...
  • Procedure of nanodimensional amorphous-microcrystalline structure formation by radiation in single crystal silicon 
    Dovbnya, A.N.; Yefimov, V.P.; Abyzov, A.S.; Rybka, A.V.; Zakutin, V.V.; Reshetnyak, N.G.; Blinkin, A.A.; Romas’ko, V.P. (Вопросы атомной науки и техники, 2009)
    Quantum structures with enhanced electric conductivity have been formed in a single-crystal silicon matrix. An array of quantum filaments improves the collection of low-mobility charge carriers in the emitter structure ...
  • Radiation processing of inhomogeneous objects at the 300 MeV electron linear accelerator 
    Demeshko, O.A.; Kochetov, S.S.; Mahnenko, L.A.; Melnitsky, I.V.; Shopen, O.A. (Вопросы атомной науки и техники, 2009)
    Comparison is made between the calculated and experimental doses absorbed by complex density-inhomogeneous objects during their radiation processing. The process of fast electron passage through the object and depth ...
  • Stabilization of nano-sized structures in the volume of single-crystalline silicon for photoconverters 
    Dovbnya, A.N.; Yefimov, V.P.; Abyzov, A.S.; Rybka, A.V.; Bereznyak, E.P.; Zakutin, V.V.; Reshetnyak, N.G.; Blinkin, A.A.; Romas’ko, V.P.; Gabelkov, S.V.; Tarasov, R.V. (Вопросы атомной науки и техники, 2009)
    The paper considers the possibilities of stabilization of microstructures created in the latent tracks in single-crystalline silicon by multicharged ions from the nuclear fragments formed as a result of heavy element ...
  • The dynamics of element content in patients with lung cancer during radiotherapy 
    Dikiy, N.P.; Lyashko, Yu.V.; Medvedeva, E.P.; Borovlev, V.I.; Zabolotny, V.D.; Medvedev, D.V.; Pilipenko, N.I.; Starenky, V.P.; Suhina, E.N. (Вопросы атомной науки и техники, 2009)
    Determination of the element contents in the biological samples (blood, serum of blood, hair) of patients with the diagnosis of lung cancer III degree is carried out during beam therapy. The method of PIXE excited by ...
  • The mathematical model for decay curve of the nuclei-delayed neutron precursors in experiment at a pulsed electron linear accelerator 
    Buki, A.Yu.; Gokov, S.P.; Demeshko, O.A.; Kasilov, V.I.; Kokhnyuk, K.S.; Kochetov, S.S.; Mel’nitsky, I.V.; Semisalov, I.L.; Khomich, A.A.; Shopen, O.A. (Вопросы атомной науки и техники, 2009)
    On the basis of the notion about six groups of nuclei as delayed neutron precursors, radioactive decay laws and the pulsed mode of accelerator operation, a relationship has been derived to describe the decay curve of ...
  • Two consecutive heterogeneous reactions in two-phase system 
    Kopiychenko, D.Yu.; Mchedlov-Petrossyan, P.O. (Вопросы атомной науки и техники, 2009)
    We consider diffusion of species into a semi-infinite domain, where two consequent reactions take place. The exact self-similar solutions are obtained both for initial absence and presence of the first reaction’s product ...

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