Showing 181 - 200 results of 325 for search '"plutonium"', query time: 0.07s Refine Results
  1. 181

    Evaluation of the Breeding Performance of a NaCl-UCl-Based Reactor System by Bruno Merk, Anna Detkina, Seddon Atkinson, Dzianis Litskevich, Gregory Cartland-Glover

    Published 2019-10-01
    “…It is demonstrated that the identified and investigated NaCl-UCl based systems are feasible to deliver the requested in-core breeding within the given solubility limits of fertile material in the salt system using either uranium as start-up fissile component or plutonium. This result is enriched by the analysis of the achievable full power days per inserted mass of plutonium. …”
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    Article
  2. 182

    Study on neutron absorption correction technology of the waste drum assay system by ZHOU Zhibo, SUN Shiqi, LIU Likun, ZHANG Haiqing, CHU Quanli, LI Duohong, YANG Lifang, TAN Xizao, LIN Jun, WU Zhaohui

    Published 2021-03-01
    “…Background Measurement of uranium and plutonium content in the waste drum assay system (WDAS) is affected by the absorption of the matrix in the drum due to the neutron coincidence counting of waste. …”
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    Article
  3. 183
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  6. 186

    Neutron Resonance Transmission Analysis of Nuclear Material Using a Portable D-T Neutron Generator by Klein, Ethan Avram

    Published 2023
    “…The feasibility of the portable NRTA system for a number of nonpro- liferation and safeguards applications was evaluated by assaying various uranium and plutonium targets. The system successfully assayed both depleted and high enriched uranium and reactor-grade plutonium targets, accurately determining the enrichment and fissile mass content as validated by chemical analysis. …”
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    Thesis
  7. 187

    ANALYSIS OF THE RESULTS OF LONG-LIVED RADIONUCLIDE BODY BURDEN MONITORING IN RESIDENTS OF THE URALS REGION by M. O. Degteva, E. I. Tolstykh, K. G. Suslova, S. A. Romanov, A. V. Akleyev

    Published 2018-10-01
    “…The second group comprised residents of the Ozyorsk city, for whom the levels of inhalation intake of plutonium in the period 1951–1958 reached 8 Bq/year. …”
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    Article
  8. 188

    Incidence trend for colorectal cancer in the cohort of workers exposed to ionizing radiation by G. V. Zhuntova, T. V. Azizova, M. V. Bannikova, T. P. Zavarukhina

    Published 2020-10-01
    “…The cohort comprised 22,377 workers (25% of females) employed at one of the main plants (reactors, radiochemical and plutonium production plants) of the Mayak Production Association in 1948-1982 who had been externally exposed to gamma rays (cumulative absorbed colon doses were 0–5.85 Gy with the corresponding median dose of 0.16 Gy) and those who had inhaled aerosols containing plutonium particles had been also internally exposed to alpha radiation (cumulative absorbed colon doses were 0–0.18 Gy with the corresponding median dose of 0.0002 Gy). …”
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    Article
  9. 189

    APPLICATION OF SOLID-STATE TRACK DETECTORS FOR MEASUREMENT OF THE LOW-LEVEL ACTIVITY OF ALPHA-EMITTERS by S. G. Gorbachev

    Published 2016-06-01
    “…Experimental information obtaining stages are described from solid state nuclear track detectors  irradiation procedure to follow analysis of individual tracks. Results of plutonium isotopes contained samples and dependence of minimal detectible activity from exposure time and spike (tracer) activity for nuclide are presented.…”
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    Article
  10. 190

    A new simulation model for calculating the internal exposure of some radionuclides by Mahrous Ayman, Moneim Abdel Rizk, Helal Nadia, Eid Ibrahim

    Published 2009-01-01
    “…The radionuclides under investigation are: cobalt, iodine, cesium, strontium, ruthenium, radium, thorium, plutonium, and uranium. The committed effective dose has been calculated by our model so as to obtain the urinary and faecal excretion rates for each radionuclide. …”
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    Article
  11. 191

    Design and calibration of a depth-of-interaction detector for neutrons and gamma rays by ZHAO Dong, LIANG Xuwen, ZHANG Ronghua, HEI Daqian, JIA Wenbao, SHAN Qing, LING Yongsheng

    Published 2023-07-01
    “…Of these incidents, 278 are associated with trafficking or malicious use of materials such as highly enriched uranium, plutonium, and plutonium-beryllium neutron sources. …”
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    Article
  12. 192

    A Systematic Study of Moderation Effects On Neutronic Performance of UO[subscript 2] Fueled Lattices by Xu, Z., Driscoll, Michael J., Kazimi, Mujid S.

    Published 2012
    “…However, high burnup is significantly beneficial as a way to make the plutonium isotopic mix less attractive as a weapon material.…”
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    Technical Report
  13. 193

    Malleability of uranium: Manipulating the charge-density wave in epitaxial films by Springell, R, Ward, R, Bouchet, J, Chivall, J, Wermeille, D, Normile, P, Langridge, S, Zochowski, S, Lander, G

    Published 2014
    “…Our results emphasize the intriguing possibilities of producing epitaxial films of elements that have complex structures like the light actinides uranium to plutonium. © 2014 American Physical Society.…”
    Journal article
  14. 194
  15. 195

    The Peculiarities of the German Uranium Project (1939–1945) by Manfred Popp, Piet de Klerk

    Published 2023-09-01
    “…There was no work at all on a possible bomb, nor on plutonium. The reactor experiments were limited to subcritical systems and did not attempt to achieve the proclaimed goal of a self-sustaining chain reaction. …”
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    Article
  16. 196

    A study on the feasibility of using Uranium Nitride (UN) fuel in Pressurized water reactors (PWR) by Moustafa Aziz

    Published 2023-04-01
    “…Neutron spectrum, power distributions, plutonium isotopes productions, and kinetics and safety parameters were evaluated. …”
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    Article
  17. 197

    Performance Evaluation of an Imaging Radiation Portal Monitor System by Jana Vasiljević, Bo Cederwall

    Published 2022-09-01
    “…The technique enables rapid detection and precise location of small amounts of special nuclear materials, such as plutonium, using time and energy correlations between fast neutrons and gamma rays from spontaneous fission with low false-alarm rates. …”
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    Article
  18. 198

    A NOVEL APPROACH TO FIND OPTIMIZED NEUTRON ENERGY GROUP STRUCTURE IN MOX THERMAL LATTICES USING SWARM INTELLIGENCE by M. AKBARI, F. KHOSHAHVAL, A. MINUCHEHR, A. ZOLFAGHARI

    Published 2013-12-01
    “…It is known that UO2–PUO2 (MOX) is a recently developed fuel which consumes recycled plutonium. For such fuel which contains various resonant nuclides, the selection of energy group structure is more crucial comparing to the UO2 fuels. …”
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    Article
  19. 199

    A Nuclear Material Accounting Simulation Model for Spent Fuel Reprocessing Facility by BU Lixin;HE Lixia;LIU Hongbin

    Published 2022-10-01
    “… In order to optimize the nuclear material accounting of spent fuel reprocessing facilities and find the main factors of the material unaccounted for (MUF), a numerical simulation model based on nuclear material accounting perspective is built, which includes the front-end process, PUREX process, uranium and plutonium back-end and MUF calculations. The material flow rate in the model can be changed easily by changing different process parameters to simulate different production scale. …”
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    Article
  20. 200

    The concept of a fast reactor with liquid metal fuel in tungsten capsules by Okunev Viacheslav

    Published 2023-01-01
    “…It is proposed to use liquid fuel based on waste uranium and plutonium extracted from the spent fuel of VVER reactors (purified from the 238Pu isotope). …”
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    Article