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Piasecki, A.; Janiak, T.; Barcikowski, T.
5. National Conference on Radiochemistry and Nuclear Chemistry. Abstracts2009
5. National Conference on Radiochemistry and Nuclear Chemistry. Abstracts2009
AbstractAbstract
No abstract available
Original Title
Badania nad montazem tarczy zawierajacej nisko wzbogacony uran stosowanej do produkcji molibdenu-99
Primary Subject
Source
Fuks, L. (ed.) (Institute of Nuclear Chemistry and Technology, Warsaw (Poland)); Institute of Nuclear Chemistry and Technology, Warsaw (Poland); 75 p; ISBN 978-83-909690-9-1;
; 2009; p. 65; 5. National Conference on Radiochemistry and Nuclear Chemistry; 5. Krajowa Konferencja Radiochemii i Chemii Jadrowej; Cracow-Przegorzaly (Poland); 24-27 May 2009; Also available from Institute of Nuclear Chemistry and Technology

Record Type
Miscellaneous
Literature Type
Conference
Report Number
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, DAYS LIVING RADIOISOTOPES, EVEN-ODD NUCLEI, HEAVY NUCLEI, INTERMEDIATE MASS NUCLEI, INTERNAL CONVERSION RADIOISOTOPES, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MINUTES LIVING RADIOISOTOPES, MOLYBDENUM ISOTOPES, NUCLEI, RADIOISOTOPES, SPONTANEOUS FISSION RADIOISOTOPES, TARGETS, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
Reference NumberReference Number
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INIS IssueINIS Issue
Peelle, R.W.
Oak Ridge National Lab., Tenn. (USA)1976
Oak Ridge National Lab., Tenn. (USA)1976
AbstractAbstract
[en] Capture and fission cross sections for 235U in the ''unresolved resonance'' energy region were evaluated to permit determination of local-average resonance parameters for the ENDF/B-IV cross section file. Microscopic data were examined for infinitely dilute average fission and capture cross sections and also for intermediate structure unlikely to be reproduced by statistical fluctuations of resonance widths and spacings within known laws. Evaluated cross sections, averaged over lethargy intervals greater than 0.1, were obtained as an average over selected data sets after appropriate renormalization. Estimated uncertainties are given for these evaluated average cross sections. The ''intermediate'' structure fluctuations common to a few independent data sets were approximated by straight lines joining successive cross sections at 120 selected energy points; the cross sections at the vertices were adjusted to reproduce the evaluated average cross sections over the broad energy regions. Data sources and methods are reviewed, output values are tabulated, and some modified procedures are suggested for future evaluations. Evaluated fission and capture integrals for the resolved resonance region are also tabulated. These are not in agreement with integrals based on the resonance parameters of ENDF/B versions III and IV. 8 tables, 5 figures
Primary Subject
Source
May 1976; 37 p; ENDF--233; Available from NTIS. $4.00.
Record Type
Report
Report Number
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, BARYON REACTIONS, EVEN-ODD NUCLEI, HADRON REACTIONS, HEAVY NUCLEI, INTEGRALS, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MINUTES LIVING RADIOISOTOPES, NUCLEAR REACTIONS, NUCLEI, NUCLEON REACTIONS, RADIOISOTOPES, TARGETS, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Rudstam, G.; Aagaard, P.; Zwicky, H.U.
Studsvik Science Research Lab., Nykoeping (Sweden)1985
Studsvik Science Research Lab., Nykoeping (Sweden)1985
AbstractAbstract
[en] Methods for fission yield determinations at an ISOL-system connected to a nuclear reactor have been developed. The present report contains detailed descriptions both of the experimental techniques and of the method used to correct the experimental yields for the decay of short-lived nuclear species in the delay between production and measurement. The methods have been applied to the determination of the fission yields of 40 fission products including 2 isometric pairs in the light mass region and those of 99 fission products including 25 isometric pairs or triplets in the heavy mass region. For 64 cases this is the first determination published. (author)
Primary Subject
Secondary Subject
Source
1985; 146 p; With 113 refs.
Record Type
Report
Report Number
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, BARYONS, ELEMENTARY PARTICLES, EVEN-ODD NUCLEI, FERMIONS, HADRONS, HEAVY NUCLEI, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MATERIALS, MINUTES LIVING RADIOISOTOPES, NEUTRONS, NUCLEAR REACTION YIELD, NUCLEI, NUCLEONS, RADIOACTIVE MATERIALS, RADIOISOTOPES, TARGETS, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
AbstractAbstract
[en] In this work we have aimed to determine of fission product yields produced by photofission of 235U. The enriched uranium (235U: 5%) target was homogeneously smeared on the thick Al backing. On the uranium target was placed multilayer thin Al foils (every one's thickness is 5 μm) for implantation of fission products. Sandwich from multilayer thin Al foils and U-target was irradiated by gamma-quanta on the electron cyclic accelerator microtron MT-22. Using the HPGe-detector gamma spectrometer the fission products were measured by activation methods. It has been seen that the gamma spectra of uranium target and the first, second and third thin Al foils were almost the same, but the / background for Al foils was rather smaller than background for uranium, especially at low energy region. The fission products weren't observed for the fourth and farther thin Al foils, because the fission fragment maximum range in Al foils is R<20 μm. So, using the gamma spectra were determined a half-life and identified fission products. The results of our measurements were compared with other data from compilations.The formula for determination a nuclides number without the gamma radioactivity is given. We have estimated the relative yield of the some nuclides without the gamma radioactivity, which were on the isobar chain, using the measurement of gamma radioactivity of the fission fragments produced by photo-fission of 235U
Primary Subject
Secondary Subject
Source
Ministerstvo Ehnergetiki i Mineral'nykh Resursov Respubliki Kazakhstan, Astana (Kazakhstan); Natsional'nyj Yadernyj Tsentr Respubliki Kazakhstan, Kurchatov (Kazakhstan); Natsional'naya Akademiya Nauk Respubliki Kazakhstan, Almaty (Kazakhstan); Inst. Yadernoj Fiziki Natsional'nogo Yadernogoj Tsentra Respubliki Kazakhstan, Almaty (Kazakhstan); Yadernoe Obshchestvo Respubliki Kazakhstan, Almaty (Kazakhstan); 513 p; ISBN 9965-675-01-5;
; 2003; p. 107-109; 4.International conference 'Nuclear and Radiation Physics'; 4.Mezhdunarodnaya konferentsiya 'Yadernaya i Radiatsionnaya Fizika'; Almaty (Kazakhstan); 15-17 Sep 2003; 5 refs.

Record Type
Book
Literature Type
Conference
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, ELECTROMAGNETIC RADIATION, ELEMENTS, EVEN-ODD NUCLEI, FISSION, HEAVY NUCLEI, INTERNAL CONVERSION RADIOISOTOPES, IONIZING RADIATIONS, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, METALS, MINUTES LIVING RADIOISOTOPES, NUCLEAR REACTION YIELD, NUCLEAR REACTIONS, NUCLEI, PHOTONUCLEAR REACTIONS, RADIATIONS, RADIOISOTOPES, SPONTANEOUS FISSION RADIOISOTOPES, TARGETS, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES, YIELDS
Reference NumberReference Number
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AbstractAbstract
[en] Nuclear fission reaction between Uranium-235 nucleus and thermal neutron caused the high energy fission fragments with uncertainly direction. The particle direction discrimination was determined. The 2.5 x 3.0 mm2 polyethylene gratings with 1-6 mm thickness were used. The grating was placed between uranium screen that fabricated from ammonium-diurinate compound and polycarbonate nuclear track film recorder irradiated by neutron from Thai Research Reactor (TRR-1/M1) facility. The nuclear track density was inversely with grating thickness. It's only fission fragments normal to uranium screen pass through film recorder when grating thickness was 4-6 mm
Primary Subject
Source
Oct 2003; 3 p; 29. Congress on Science and Technology of Thailand; Golden Jubilee Convention Hall, Khon Kean University (Thailand); 20-22 Oct 2003; Also available from The Science Society of Thailand under the Patronage of His Majesty the King, Bangkok (TH)
Record Type
Miscellaneous
Literature Type
Conference; Numerical Data
Report Number
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, BARYON REACTIONS, CARBON COMPOUNDS, CARBONATES, DATA, EVEN-ODD NUCLEI, HADRON REACTIONS, HEAVY NUCLEI, INFORMATION, INTERNAL CONVERSION RADIOISOTOPES, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MINUTES LIVING RADIOISOTOPES, NUCLEAR FRAGMENTS, NUCLEAR REACTIONS, NUCLEI, NUCLEON REACTIONS, NUMERICAL DATA, ORGANIC COMPOUNDS, ORGANIC POLYMERS, OXYGEN COMPOUNDS, PARTICLE TRACKS, POLYMERS, RADIOISOTOPES, SPONTANEOUS FISSION RADIOISOTOPES, TARGETS, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Aivasian, T.; Schneider, W.
Deutsches Patentamt, Muenchen (Germany, F.R.)1979
Deutsches Patentamt, Muenchen (Germany, F.R.)1979
AbstractAbstract
[en] Pb 207 is to be converted to U235 in a steel concrete tower by producing pressures of up to 100.000 atmospheric excess pressure in a He-air atmosphere. (DG)
[de]
In einem Stahlbetonturm soll durch Erzeugung von Druecken bis zu 100,000 atue in einer He-Luft-Atmosphaere Pb-207 zu U-235 umgewandelt werden. (DG)Original Title
Verfahren und Vorrichtung zur Herstellung von Uran 235
Primary Subject
Source
10 May 1979; 9 p; DE PATENT DOCUMENT 2749860/A/; Addition to P 2630435.8.
Record Type
Patent
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Saettone, E.; Montoya, M., E-mail: mmontoya@ipen.gob.pe
1998-2001 Scientific Technological Report2002
1998-2001 Scientific Technological Report2002
AbstractAbstract
[en] One of the necessary data for the study of the actinides cores fission process is the fragment configuration at the moment of the split. This configuration corresponds to one determined value of coulomb Energy, which becomes kinetic energy of the primary fragments (before the neutrons emission). However, what is measured corresponds to the secondary fragments (after the neutrons emission)
Original Title
Simulacion de un experimento para medir la distribucion de la energia cinetica de fision inducida por neutrones termicos del U-235
Primary Subject
Source
Gayoso C, C.; Ezpinoza Z, M.; Prado C, A.; Robles N, A. (eds.); Instituto Peruano de Energia Nuclear (IPEN), Lima (Peru); 512 p; ISSN 1684-1662;
; 2002; p. 14; Also available from the Library of the Peruvian Institute of Nuclear Energy in electronic format (pdf)

Record Type
Miscellaneous
Report Number
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, BARYONS, ELEMENTARY PARTICLES, ENERGY, EVEN-ODD NUCLEI, FERMIONS, HADRONS, HEAVY ION REACTIONS, HEAVY NUCLEI, INTERNAL CONVERSION RADIOISOTOPES, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MINUTES LIVING RADIOISOTOPES, NEUTRONS, NUCLEAR FRAGMENTS, NUCLEAR REACTIONS, NUCLEI, NUCLEONS, RADIOISOTOPES, SPONTANEOUS FISSION RADIOISOTOPES, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
Reference NumberReference Number
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Castle, P.M.
Westinghouse Electric Corp., Philadelphia, PA (USA)1979
Westinghouse Electric Corp., Philadelphia, PA (USA)1979
AbstractAbstract
[en] A suggestion is made to selectively excite certain isotopes of a mixture present as gaseous atomic beam by radiation, to ionize them by further irradiation and to give these ions isotropically distributed recoil pulses. The ions then more in a different direction to the beam and can be captured downstream with relatively easy mechanical separating devices. Several variations of the method are described in detail taking the example of the separation of U sup(235) F6 from UF6, whereby photoionization, dissociative electron deposit and matric insulation are treated. (UWI)
[de]
Es wird vorgeschlagen, bestimmte Isotope eines Gemisches, das als gasfoermiger Atomstrahl vorliegt, selektriv durch Strahlung anzuzeigen, durch weitere Bestrahlung zu ionisieren und diesen Ionen isotrop verteilte Ruckstossimpulse zu erteilen. Die Ionen bewegen sich dann in einer von Strahl unterschiedlichen Richtung und koennen stromabwaerts mit relativ einfachen mechanischen Trennvorrichtungen abgefangen werden. Am Beispiel der Trennung von U-235F6-abtrennung aus UF6 werden mehrere Verfahrens-variationen ausfuehrlich dargestellt, wobei Photoionisatio, dissoziative Elektronenanlagerung und die Matrixisolierung behandelt werden. (UWI)Original Title
Verfahren und Vorrichtung zur Isotopentrennung
Primary Subject
Source
18 Oct 1979; 35 p; DE PATENT DOCUMENT 2905987/A/; Available from Deutsches Patentamt, Muenchen, Germany, F.R
Record Type
Patent
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
AbstractAbstract
No abstract available
Original Title
Patent
Primary Subject
Source
nd; 10 p; Translation by Stephen J. Merlan and John E. Dougherty from German Patent 1,279,653 .
Record Type
Report
Report Number
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Wetzel, L.L.; Brandon O'Donnell, P.E.; Lotz, T.; Thilking, B.; Pritchett, G.; McNeel, J., E-mail: llwetzel@bwxt.com
Nuclear Energy Agency - NEA, 46 quai Alphonse Le Gallo, 92100 Boulogne-Billancourt (France); Institut de Radioprotection et de Surete Nucleaire - IRSN, 31 avenue de la Division Leclerc, 92260 Fontenay-aux-Roses (France)2019
Nuclear Energy Agency - NEA, 46 quai Alphonse Le Gallo, 92100 Boulogne-Billancourt (France); Institut de Radioprotection et de Surete Nucleaire - IRSN, 31 avenue de la Division Leclerc, 92260 Fontenay-aux-Roses (France)2019
AbstractAbstract
[en] On July 4, 2017, maintenance was being performed on an inert gas purification system used on a Research and Test Reactor (RTR) UAlx processing glovebox at the BWX Technologies, Inc. facility in Lynchburg, Virginia (US). The gas purification system has two large canisters filled with purification media. The media has two constituents; one removes moisture and the other removes oxygen from the inert gas. When the canisters were disconnected during maintenance, the operators saw what they believed was UAlx in the canisters. They stopped and notified Nuclear Criticality Safety (NCS) engineers. Preliminary estimates of the mass were potentially in excess of 1 kg 235U. The Emergency Operations Center was activated. More detailed Non-Destructive Analysis (NDA) measurements were later made and determined that the higher loaded container had less than 722 grams 235U. This was less than the minimum critical mass in the containers. After 27 hours, the Emergency Operations organization stood down. A Radiation Work Permit (RWP) was developed to guide removal of the material into individual = 2.5 liter bottles. These bottles were then measured on a Material Control and Accountability qualified system and stored for disposal. An investigation was undertaken to determine how material accumulated in these containers, whether these systems were installed elsewhere in the facility, and if similar conditions existed in those systems. Several similar systems were reviewed and evaluated by NDA. No accumulations were found. The investigation established 3 root causes and 18 corrective actions to prevent recurrence. (authors)
Primary Subject
Source
2019; 10 p; ICNC 2019 - 11. international conference on nuclear criticality safety; Paris (France); 15-20 Sep 2019; 2 refs.; Available from the INIS Liaison Officer for France, see the INIS website for current contact and E-mail addresses
Record Type
Miscellaneous
Literature Type
Conference
Report Number
Country of publication
ACTINIDE NUCLEI, ALPHA DECAY RADIOISOTOPES, EQUIPMENT, EVEN-ODD NUCLEI, HEAVY NUCLEI, INTERNAL CONVERSION RADIOISOTOPES, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, LABORATORY EQUIPMENT, MINUTES LIVING RADIOISOTOPES, NUCLEI, RADIOISOTOPES, SPONTANEOUS FISSION RADIOISOTOPES, URANIUM ISOTOPES, YEARS LIVING RADIOISOTOPES
Reference NumberReference Number
INIS VolumeINIS Volume
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