Skip to main content

14 Result(s)

within G. A. Bozhikov Remove this filter

and

  1. No Access

    Article

    Interaction of elemental mercury with selenium surfaces: model experiments for investigations of superheavy elements copernicium and flerovium

    The adsorption behavior of 197Hg and 183–185Hg on red amorphous selenium (red a-Se) and trigonal selenium (t-Se) was investigated experimentally by off-line and on-line gas chromatographic methods, in preparation...

    N. M. Chiera, N. V. Aksenov, Y. V. Albin… in Journal of Radioanalytical and Nuclear Che… (2017)

  2. No Access

    Article

    Production of isotopes and isomers with irradiation of Z = 47–50 targets by 23-MeV bremsstrahlung

    The irradiations of Ag to Sn targets by bremsstrahlung generated with 23-MeV electron beams are performed at the MT-25 microtron. Gamma spectra of the induced activities have been measured and the yields of al...

    S. A. Karamian, J. J. Carroll, N. V. Aksenov, Yu. A. Albin… in Physics of Atomic Nuclei (2015)

  3. No Access

    Article

    Methods for producing 195m Pt isomer

    Among nuclides, 195m Pt isomer is characterized by a number of properties that make it suitable for use in nuclear medicine. Effective ways of optimizing the Pt isomer yield at low impurity conten...

    S. A. Karamian, N. V. Aksenov, Yu. A. Al’bin… in Bulletin of the Russian Academy of Science… (2014)

  4. No Access

    Article

    Isolation of radionuclides from thorium targets irradiated with 300-MeV protons

    Procedures were developed for isolation and separation of radionuclides from a thorium target irradiated with 300-MeV protons. A large set of radionuclides, including those of heavy elements (225,226Ac, 223,224,2...

    D. V. Filosofov, A. V. Rakhimov, G. A. Bozhikov, D. V. Karaivanov… in Radiochemistry (2013)

  5. No Access

    Article

    Coprecipitation of Ti, Zr, and Hf as Rf homologs with La fluoride from solutions of hydrofluoric acid

    The discovery of relatively longer half-lives of transactinides 104 267 Rf (T 1/2 ∼ 1.3 h) and 105 ...

    N. V. Aksenov, G. A. Bozhikov, S. S. Berdonosov… in Physics of Particles and Nuclei Letters (2011)

  6. No Access

    Article

    Production of the (I = 19/2) high-spin isomer 135Cs in photonuclear reactions

    The yields of 135Cs nuclei in a high-spin (19/2) isomeric state and of nuclei neighboring it were measured for photonuclear reactions of the (γ, f) and (γ, α) types. The experiments in question were performed by ...

    Yu. P. Gangrsky, V. I. Zhemenik, N. N. Kolesnikov… in Physics of Atomic Nuclei (2010)

  7. No Access

    Article

    Use of a nanostructured material for separation of 238U and 237U produced by the photonuclear reaction 238U(γ, n)237U

    237U was produced by the reaction 238U(γ, n) on an electron accelerator, MT-25 microtron, at the Flerov Laboratory of Nuclear Reactions. For the separation of 237U and [238U, the recoil nuclei were collected by a...

    O. D. Maslov, G. A. Bozhikov, P. I. Ivanov, M. V. Gustova, A. G. Belov… in Radiochemistry (2010)

  8. No Access

    Article

    Sorption of U(VI) with soil from the region of location of the Novi Khan radioactive waste repository in Bulgaria

    Sorption of U(VI) with soil from the region of location of the radioactive waste repository was studied. The radionuclide 237U produced by the photonuclear reaction 238U(γ, n)237U on an electron accelerator, MT-2...

    M. F. Filippov, O. D. Maslov, G. A. Bozhikov, Sh. Tserenpil… in Radiochemistry (2009)

  9. No Access

    Article

    A simple and quick method for the preparation of radionuclide 87Y/87mSr generator using the natRb(α,xn)87Y reaction

    A rapid method for the preparation of 87Y/87mSr radionuclide generator from a rubidium chloride target irradiated with 35 MeV α-particles is described. A simple two-step procedure is used to obtain a carrier-free...

    N. V. Aksenov, H. Bruchertseifer… in Journal of Radioanalytical and Nuclear Che… (2009)

  10. No Access

    Article

    Ion-exchange separation of Zr and Hf microamounts in dilute HCl/HF solutions: A model system for chemical identification of Rf and study of its properties

    A procedure was developed for selective separation of Group IV elements from Sr and Lu, followed by rapid separation of Zr and Hf by cation-exchange chromatography in dilute HCl/HF solutions. The possibility o...

    N. V. Aksenov, H. Bruchertseifer, G. A. Bozhikov, E. E. Tereshatov… in Radiochemistry (2008)

  11. No Access

    Article

    Cation-exchange separation of Group V elements: Model experiments on isolation and chemical identification of Db

    A cation-exchange procedure was developed for separating Nb from Ta, Pa from Ta, and Nb, Pa, and Ta from Zr, Hf, and lanthanides in dilute HC1/HF solutions. The stability of the fluoride complexes of Group IV ...

    E. E. Tereshatov, H. Bruchertseifer, G. A. Bozhikov, N. V. Aksenov… in Radiochemistry (2008)

  12. No Access

    Article

    Separation of group five elements by reversed-phase chromatography

    A chemical separation method based on reversed-phase chromatography has been developed to separate the group five elements from the reaction products produced in the bombardment of 243Am with 48Ca ions. Decontami...

    P. A. Wilk, J. H. Landrum, D. A. Shaughnessy… in Journal of Radioanalytical and Nuclear Che… (2008)

  13. No Access

    Article

    Chemical characterization of element 112

    Element 112 was discovered at the Heavy Ion Research Laboratory in Darmstadt, Germany in 1996. A decade on, and some of its chemical properties have now been determined. Irradiation of plutonium-242 with inten...

    R. Eichler, N. V. Aksenov, A. V. Belozerov, G. A. Bozhikov, V. I. Chepigin… in Nature (2007)

  14. No Access

    Article

    Electrophoretic method for the determination of diffusion coefficients of ions in aqueous solutions*

    The electrophoretic method was recently developed for the determination of diffusion coefficients of ions in aqueous solution. By solving the Fick's second law in the presence of unlimited media and constant q...

    G. A. Bozhikov, G. D. Bontchev, P. I. Ivanov… in Journal of Radioanalytical and Nuclear Che… (2003)