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Перегляд Bопросы атомной науки и техники, 2009 за темою "Ядернo-физические методы и обработка данных"

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Перегляд Bопросы атомной науки и техники, 2009 за темою "Ядернo-физические методы и обработка данных"

Сортувати за: Порядок: Результатів:

  • Analysis of data arrays on cyclotron production of medical radioisotopes 
    Petrusenko, Yu.T.; Lymar, A.G.; Nikolaichuk, L.I.; Tutubalin, A.I.; Shepelev, A.G.; Ponomarenko, T.A.; Nemashkalo, O.V. (Вопросы атомной науки и техники, 2009)
    The paper analyzes the state of cyclotron production of radionuclides (RN) for nuclear medicine. Consideration is given to the production of ultra-short-lived (USL) and short-lived (SL) RN. The information of the IAEA ...
  • 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 simulation of fission wave propagation in subcritical assembly using code MCNP 
    Gann, A.V.; Gann, V.V. (Вопросы атомной науки и техники, 2009)
    Computer simulation of neutron kinetics in the electron accelerator driven subcritical assembly was carried out using the code MCNP. Propagation of fission wave along the fuel rod to both sides of the neutron source after ...
  • 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 ...
  • Independent method of Au determination in different materials by applying (γ,γ¹)m-reaction 
    Afanas'ev, S.N.; Kuplennikov, E.L.; Krasil'nikov, V.V. (Вопросы атомной науки и техники, 2009)
    Represented results are based on using the ¹⁹⁷Au(ƴ,ƴ')¹⁹⁷mAu reaction, the experimental integrated cross sections of the isomer excitation through activation levels and the Monte-Carlo simulation method. It is shown that ...
  • 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.
  • On production ultrashort- and short-lived isotopes for nuclear medicine at cyclotron CV-28 
    Petrusenko, Yu.T.; Nikolaichuk, L.I.; Tutubalin, A.I.; Shepelev, A.G.; Ponomarenko, T.A.; Nemashkalo, O.V. (Вопросы атомной науки и техники, 2009)
    The paper presents a survey of experimental methods for cyclotron production of ultrashort-lived (USL) and short-lived (SL) radionuclides recommended by the IAEA as most widely used in nuclear medicine. The data on ...
  • Photon activation method to the investigation of bioobjects content for judicial-biological examination 
    Dikiy, N.P.; Dyachenko, A.F.; Lyashko, Yu.V.; Medvedeva, E.P.; Uvarov, V.L.; Borovlev, V.I. (Вопросы атомной науки и техники, 2009)
    Possibilities of the use of nuclear-physical methods for definition of element composition of biological objects (hair of animals) with the target of receipt of additional evidentiary information at the decision of diagnostics ...
  • Physical ground for radioactive waste transmutation facility using thermonuclear neutrons 
    Rudychev, Y.V.; Khazhmuradov, M.A.; Slabospitskiy, R.P. (Вопросы атомной науки и техники, 2009)
    Two variants of radioactive waste transformation system using thermonuclear neutrons were considered. In one case transuranium elements and fission products are irradiated together and in second one they are irradiated ...
  • 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 ...

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