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Sample records for actinium 233

  1. Production of Actinium-225 via High Energy Proton Induced Spallation of Thorium-232

    Energy Technology Data Exchange (ETDEWEB)

    Harvey, James T.; Nolen, Jerry; Vandergrift, George; Gomes, Itacil; Kroc, Tom; Horwitz, Phil; McAlister, Dan; Bowers, Del; Sullivan, Vivian; Greene, John

    2011-12-30

    V protons available at Fermi National Accelerator Laboratory. Targets will be processed at Argonne National Laboratory to separate and purify the actinium-225 that will subsequently be transferred to NorthStar laboratory facilities for product quality testing and comparison to the product quality of ORNL produced actinium-225, which is currently the industry standard. The test irradiations at FNAL will produce 1-20 mCi per day which is more than sufficient for quantitative evaluation of the proposed production process. The beneficial outcome of this effort will be a new production route for actinium-225 that does not use or require any uranium-233 materials owned by DOE or use any radium-226 as an irradiation target but can supply the medical community's needs for actinium-225 now and in the future.

  2. Discovery of the actinium, thorium, protactinium, and uranium isotopes

    CERN Document Server

    Fry, C

    2012-01-01

    Currently, 31 actinium, 31 thorium, 28 protactinium, and 23 uranium isotopes have so far been observed; the discovery of these isotopes is discussed. For each isotope a brief summary of the first refereed publication, including the production and identification method, is presented.

  3. Spectroscopic and computational investigation of actinium coordination chemistry

    Science.gov (United States)

    Ferrier, Maryline G.; Batista, Enrique R.; Berg, John M.; Birnbaum, Eva R.; Cross, Justin N.; Engle, Jonathan W.; La Pierre, Henry S.; Kozimor, Stosh A.; Lezama Pacheco, Juan S.; Stein, Benjamin W.; Stieber, S. Chantal E.; Wilson, Justin J.

    2016-01-01

    Actinium-225 is a promising isotope for targeted-α therapy. Unfortunately, progress in developing chelators for medicinal applications has been hindered by a limited understanding of actinium chemistry. This knowledge gap is primarily associated with handling actinium, as it is highly radioactive and in short supply. Hence, AcIII reactivity is often inferred from the lanthanides and minor actinides (that is, Am, Cm), with limited success. Here we overcome these challenges and characterize actinium in HCl solutions using X-ray absorption spectroscopy and molecular dynamics density functional theory. The Ac–Cl and Ac–OH2O distances are measured to be 2.95(3) and 2.59(3) Å, respectively. The X-ray absorption spectroscopy comparisons between AcIII and AmIII in HCl solutions indicate AcIII coordinates more inner-sphere Cl1– ligands (3.2±1.1) than AmIII (0.8±0.3). These results imply diverse reactivity for the +3 actinides and highlight the unexpected and unique AcIII chemical behaviour. PMID:27531582

  4. Spectroscopic and computational investigation of actinium coordination chemistry

    Science.gov (United States)

    Ferrier, Maryline G.; Batista, Enrique R.; Berg, John M.; Birnbaum, Eva R.; Cross, Justin N.; Engle, Jonathan W.; La Pierre, Henry S.; Kozimor, Stosh A.; Lezama Pacheco, Juan S.; Stein, Benjamin W.; Stieber, S. Chantal E.; Wilson, Justin J.

    2016-08-01

    Actinium-225 is a promising isotope for targeted-α therapy. Unfortunately, progress in developing chelators for medicinal applications has been hindered by a limited understanding of actinium chemistry. This knowledge gap is primarily associated with handling actinium, as it is highly radioactive and in short supply. Hence, AcIII reactivity is often inferred from the lanthanides and minor actinides (that is, Am, Cm), with limited success. Here we overcome these challenges and characterize actinium in HCl solutions using X-ray absorption spectroscopy and molecular dynamics density functional theory. The Ac-Cl and Ac-OH2O distances are measured to be 2.95(3) and 2.59(3) Å, respectively. The X-ray absorption spectroscopy comparisons between AcIII and AmIII in HCl solutions indicate AcIII coordinates more inner-sphere Cl1- ligands (3.2+/-1.1) than AmIII (0.8+/-0.3). These results imply diverse reactivity for the +3 actinides and highlight the unexpected and unique AcIII chemical behaviour.

  5. Production of high-purity radium-223 from legacy actinium-beryllium neutron sources.

    Science.gov (United States)

    Soderquist, Chuck Z; McNamara, Bruce K; Fisher, Darrell R

    2012-07-01

    Radium-223 is a short-lived alpha-particle-emitting radionuclide with potential applications in cancer treatment. Research to develop new radiopharmaceuticals employing (223)Ra has been hindered by poor availability due to the small quantities of parent actinium-227 available world-wide. The purpose of this study was to develop innovative and cost-effective methods to obtain high-purity (223)Ra from (227)Ac. We obtained (227)Ac from two surplus actinium-beryllium neutron generators. We retrieved the actinium/beryllium buttons from the sources and dissolved them in a sulfuric-nitric acid solution. A crude actinium solid was recovered from the solution by coprecipitation with thorium fluoride, leaving beryllium in solution. The crude actinium was purified to provide about 40 milligrams of actinium nitrate using anion exchange in methanol-water-nitric acid solution. The purified actinium was then used to generate high-purity (223)Ra. We extracted (223)Ra using anion exchange in a methanol-water-nitric acid solution. After the radium was separated, actinium and thorium were then eluted from the column and dried for interim storage. This single-pass separation produces high purity, carrier-free (223)Ra product, and does not disturb the (227)Ac/(227)Th equilibrium. A high purity, carrier-free (227)Th was also obtained from the actinium using a similar anion exchange in nitric acid. These methods enable efficient production of (223)Ra for research and new alpha-emitter radiopharmaceutical development.

  6. Relativistic small-core pseudopotentials for actinium, thorium, and protactinium.

    Science.gov (United States)

    Weigand, Anna; Cao, Xiaoyan; Hangele, Tim; Dolg, Michael

    2014-04-03

    Small-core pseudopotentials for actinium, thorium, and protactinium have been energy-adjusted to multiconfiguration Dirac-Hartree-Fock reference data based on the Dirac-Coulomb-Breit Hamiltonian and the Fermi nucleus model. Corresponding optimized valence basis sets of polarized valence quadruple-ζ quality are presented. Atomic test calculations for the first four ionization potentials show satisfactory results at both the Hartree-Fock and the multireference averaged coupled-pair functional level. Highly correlated Fock-space coupled cluster calculations demonstrate that the new pseudopotentials yield ionization potentials, which are in excellent agreement with corresponding all-electron results and experimental data. The pseudopotentials and basis sets supplement a similar set previously published for uranium.

  7. Excited levels of Pa-233; Niveles excitados del Pa-233

    Energy Technology Data Exchange (ETDEWEB)

    Vara Cuadrado, J. M.

    1969-07-01

    A study of Pa-233 excited levels from the alpha decay of Np-237 and from beta decay of Th-233 has been performed. The alpha decay spectrum was measured with a semiconductor spectrometer of 18 keV effective resolution (FWHM). Over 13 new lines were identified. The gamma ray spectra of Np-237 and Th-233 were obtained with a Ge-Li detector low and medium range energy lines, and with Si-Li detector for the low energy region. A continuous purification method of Np-237 from its comparatively short-lived daughter Pa-233 was applied. A high number of new lines were identified in both spectra. The gamma-gamma coincidence spectra were obtained with INa(T{sub 1}) detectors. (Author) 54 refs.

  8. 12 CFR 23.3 - Lease requirements.

    Science.gov (United States)

    2010-01-01

    ... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Lease requirements. 23.3 Section 23.3 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY LEASING General Provisions § 23.3 Lease... connection with leasing that property, and may engage in activities incidental thereto, if the...

  9. 7 CFR 58.233 - Skim milk.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 3 2010-01-01 2010-01-01 false Skim milk. 58.233 Section 58.233 Agriculture Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Standards... Materials § 58.233 Skim milk. The skim milk shall be separated from whole milk meeting the requirements...

  10. 15 CFR 23.3 - Plan.

    Science.gov (United States)

    2010-01-01

    ... 15 Commerce and Foreign Trade 1 2010-01-01 2010-01-01 false Plan. 23.3 Section 23.3 Commerce and... MISSING CHILDREN § 23.3 Plan. (a) The Department of Commerce will supplement and expand the national... biannual meetings of departmental representatives to discuss the current plan and recommendations...

  11. 33 CFR 136.233 - Proof.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Proof. 136.233 Section 136.233 Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) MARINE POLLUTION... SOURCE; AND ADVERTISEMENT Procedures for Particular Claims § 136.233 Proof. In addition to...

  12. 7 CFR 23.3 - Coordination.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 1 2010-01-01 2010-01-01 false Coordination. 23.3 Section 23.3 Agriculture Office of the Secretary of Agriculture STATE AND REGIONAL ANNUAL PLANS OF WORK State Program § 23.3 Coordination... designate an official who will be responsible for the overall coordination of the authorized programs...

  13. 22 CFR 23.3 - Refunds.

    Science.gov (United States)

    2010-04-01

    ... 22 Foreign Relations 1 2010-04-01 2010-04-01 false Refunds. 23.3 Section 23.3 Foreign Relations DEPARTMENT OF STATE FEES AND FUNDS FINANCE AND ACCOUNTING § 23.3 Refunds. (a) Rectifications and readjustments. See § 22.6 of this chapter for outline of circumstances under which fees which have...

  14. 45 CFR 233.39 - Age.

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 2 2010-10-01 2010-10-01 false Age. 233.39 Section 233.39 Public Welfare... FINANCIAL ASSISTANCE PROGRAMS § 233.39 Age. (a) Condition for plan approval. A State plan under title I or XVI of the Social Security Act may not impose any age requirement of more than 65 years. (b)...

  15. Dicty_cDB: SFK233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available TVTQLQFV VWAKQVSALVVSLEHRYYGASFVTEDLSLENLQWLNSAQALADNAVFRNFVAQQYNVPKE SKWISFGG--- Frame B: fffsf*hykh*kk*tnq...SF (Link to library) SFK233 (Link to dictyBase) - - - Contig-U16602-1 SFK233F (Link to Original site) SF...K233F 565 - - - - - - Show SFK233 Library SF (Link to library) Clone ID SFK233 (Link to...ycdb.biol.tsukuba.ac.jp/CSM/SF/SFK2-B/SFK233Q.Seq.d/ Representative seq. ID SFK23...3F (Link to Original site) Representative DNA sequence >SFK233 (SFK233Q) /CSM/SF/SFK2-B/SFK233Q.Seq.d/ ATTTT

  16. Analysis of the gamma spectra of the uranium, actinium, and thorium decay series

    Energy Technology Data Exchange (ETDEWEB)

    Momeni, M.H.

    1981-09-01

    This report describes the identification of radionuclides in the uranium, actinium, and thorium series by analysis of gamma spectra in the energy range of 40 to 1400 keV. Energies and absolute efficiencies for each gamma line were measured by means of a high-resolution germanium detector and compared with those in the literature. A gamma spectroscopy method, which utilizes an on-line computer for deconvolution of spectra, search and identification of each line, and estimation of activity for each radionuclide, was used to analyze soil and uranium tailings, and ore.

  17. 25 CFR 23.3 - Policy.

    Science.gov (United States)

    2010-04-01

    ... 25 Indians 1 2010-04-01 2010-04-01 false Policy. 23.3 Section 23.3 Indians BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR HUMAN SERVICES INDIAN CHILD WELFARE ACT Purpose, Definitions, and... unique values of Indian culture and promote the stability and security of Indian children,...

  18. Dicty_cDB: SLB233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available SL (Link to library) SLB233 (Link to dictyBase) slb233 - - Contig-U16290-1 SLB233P ...(Link to Original site) SLB233F 697 SLB233Z 631 SLB233P 1328 - - Show SLB233 Library SL (Link to library) Clone ID SLB...233 (Link to dictyBase) Atlas ID slb233 NBRP ID - dictyBase ID - Link to Contig Contig-U16290-1 Or...iginal site URL http://dictycdb.biol.tsukuba.ac.jp/CSM/SL/SLB2-B/SLB233Q.Seq.d/ R...epresentative seq. ID SLB233P (Link to Original site) Representative DNA sequence >SLB233 (SLB233Q) /CSM/SL/SLB2-B/SLB

  19. Dicty_cDB: SLC233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available SL (Link to library) SLC233 (Link to dictyBase) slc233 - - Contig-U12870-1 SLC233P ...(Link to Original site) SLC233F 733 SLC233Z 707 SLC233P 1440 - - Show SLC233 Library SL (Link to library) Clone ID SLC2...33 (Link to dictyBase) Atlas ID slc233 NBRP ID - dictyBase ID - Link to Contig Contig-U12870-1 Or...iginal site URL http://dictycdb.biol.tsukuba.ac.jp/CSM/SL/SLC2-B/SLC233Q.Seq.d/ R...epresentative seq. ID SLC233P (Link to Original site) Representative DNA sequence >SLC233 (SLC233Q) /CSM/SL/SLC2-B/SLC2

  20. Dicty_cDB: VHI233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available VH (Link to library) VHI233 (Link to dictyBase) - - - Contig-U16440-1 VHI233P (Link to Original site) VHI...233F 590 VHI233Z 762 VHI233P 1332 - - Show VHI233 Library VH (Link to library) Clone ID VHI...e URL http://dictycdb.biol.tsukuba.ac.jp/CSM/VH/VHI2-B/VHI233Q.Seq.d/ Representative seq. ID VHI...233P (Link to Original site) Representative DNA sequence >VHI233 (VHI233Q) /CSM/VH/VHI2-B/VHI...i*cyry*tklis***iwy*r**csnfkx *xlqdnedf*kki Homology vs CSM-cDNA Score E Sequences producing significant alignments: (bits) Value VHI

  1. Workshop on Preserving High Purity Uranium-233

    Energy Technology Data Exchange (ETDEWEB)

    Krichinsky, Alan M [ORNL; Giaquinto, Joseph [ORNL; Canaan, R Douglas {Doug} [ORNL

    2016-01-01

    A workshop was held on at the MARC X conference to provide a forum for the scientific community to communicate needs for high-purity 233U and its by-products in order to preserve critical items otherwise slated for downblending and disposal. Currently, only a small portion of the U.S. holdings of separated 233U is being preserved. However, many additional kilograms of 233U (>97% pure) still are destined to be downblended which will permanently destroy their potential value for many other applications. It is not likely that this material will ever be replaced due to a lack of operating production capability. Summaries of information conveyed at the workshop and feedback obtained from the scientific community are presented herein.

  2. Application of ion exchange and extraction chromatography to the separation of actinium from proton-irradiated thorium metal for analytical purposes.

    Science.gov (United States)

    Radchenko, V; Engle, J W; Wilson, J J; Maassen, J R; Nortier, F M; Taylor, W A; Birnbaum, E R; Hudston, L A; John, K D; Fassbender, M E

    2015-02-06

    Actinium-225 (t1/2=9.92d) is an α-emitting radionuclide with nuclear properties well-suited for use in targeted alpha therapy (TAT), a powerful treatment method for malignant tumors. Actinium-225 can also be utilized as a generator for (213)Bi (t1/2 45.6 min), which is another valuable candidate for TAT. Actinium-225 can be produced via proton irradiation of thorium metal; however, long-lived (227)Ac (t1/2=21.8a, 99% β(-), 1% α) is co-produced during this process and will impact the quality of the final product. Thus, accurate assays are needed to determine the (225)Ac/(227)Ac ratio, which is dependent on beam energy, irradiation time and target design. Accurate actinium assays, in turn, require efficient separation of actinium isotopes from both the Th matrix and highly radioactive activation by-products, especially radiolanthanides formed from proton-induced fission. In this study, we introduce a novel, selective chromatographic technique for the recovery and purification of actinium isotopes from irradiated Th matrices. A two-step sequence of cation exchange and extraction chromatography was implemented. Radiolanthanides were quantitatively removed from Ac, and no non-Ac radionuclidic impurities were detected in the final Ac fraction. An (225)Ac spike added prior to separation was recovered at ≥ 98%, and Ac decontamination from Th was found to be ≥ 10(6). The purified actinium fraction allowed for highly accurate (227)Ac determination at analytical scales, i.e., at (227)Ac activities of 1-100 kBq (27 nCi to 2.7 μCi).

  3. Dicty_cDB: CHR233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available CH (Link to library) CHR233 (Link to dictyBase) - - - Contig-U16471-1 - (Link to Original site) - - CHR...233Z 789 - - - - Show CHR233 Library CH (Link to library) Clone ID CHR233 (Link to dicty...iol.tsukuba.ac.jp/CSM/CH/CHR2-B/CHR233Q.Seq.d/ Representative seq. ID - (Link to ...Original site) Representative DNA sequence >CHR233 (CHR233Q) /CSM/CH/CHR2-B/CHR233Q.Seq.d/ XXXXXXXXXXTATATGA...DNA Score E Sequences producing significant alignments: (bits) Value SHB457 (SHB457Q) /CSM/SH/SHB4-C/SHB457Q.Seq.d/ 747 0.0 CHR

  4. 45 CFR 233.52 - Overpayment to aliens.

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 2 2010-10-01 2010-10-01 false Overpayment to aliens. 233.52 Section 233.52... ELIGIBILITY IN FINANCIAL ASSISTANCE PROGRAMS § 233.52 Overpayment to aliens. A State Plan under title IV-A of the Social Security Act, shall provide that: (a) Any sponsor of an alien and the alien shall...

  5. 27 CFR 24.233 - Addition of spirits to wine.

    Science.gov (United States)

    2010-04-01

    ... wine. 24.233 Section 24.233 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY LIQUORS WINE Spirits § 24.233 Addition of spirits to wine. (a) Prior to the addition of spirits. Wine will be placed in tanks approved for the addition of spirits....

  6. Thorium and actinium polyphosphonate compounds as bone-seeking alpha particle-emitting agents.

    Science.gov (United States)

    Henriksen, Gjermund; Bruland, Oyvind S; Larsen, Roy H

    2004-01-01

    The present study explores the use of alpha-particle-emitting, bone-seeking agents as candidates for targeted radiotherapy. Actinium and thorium 1,4,7,10 tetraazacyclododecane N,N',N'',N''' 1,4,7,10-tetra(methylene) phosphonic acid (DOTMP) and thorium-diethylene triamine N,N',N'' penta(methylene) phosphonic acid (DTMP) were prepared and their biodistribution evaluated in conventional Balb/C mice at four hours after injection. All three bone-seeking agents showed a high uptake in bone and a low uptake in soft tissues. Among the soft tissue organs, only kidney had a relatively high uptake. The femur/kidney ratios for 227Th-DTMP, 228-Ac-DOTMP and 227Th-DOTMP were 14.2, 7.6 and 6.0, respectively. A higher liver uptake of 228Ac-DOTMP was seen than for 227Th-DTMP and 227Th-DOTMP. This suggests that some demetallation of the 228Ac-DOTMP complex had occurred. The results indicate that 225Ac-DOTMP, 227Th-DOTMP and 227Th-DTMP have promising properties as potential therapeutic bone-seeking agents.

  7. Developments towards in-gas-jet laser spectroscopy studies of actinium isotopes at LISOL

    Energy Technology Data Exchange (ETDEWEB)

    Raeder, S., E-mail: s.raeder@gsi.de [KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven (Belgium); Helmholtz-Institut Mainz, 55128 Mainz (Germany); GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt (Germany); Bastin, B. [GANIL, CEA/DSM-CNRS/IN2P3, B.P. 55027, 14076 Caen (France); Block, M. [Helmholtz-Institut Mainz, 55128 Mainz (Germany); GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt (Germany); Institut für Kernchemie, Johannes Gutenberg Universität, 55128 Mainz (Germany); Creemers, P. [KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven (Belgium); Delahaye, P. [GANIL, CEA/DSM-CNRS/IN2P3, B.P. 55027, 14076 Caen (France); Ferrer, R. [KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven (Belgium); Fléchard, X. [LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen (France); Franchoo, S. [Institute de Physique Nucléaire (IPN) d’Orsay, 91406 Orsay, Cedex (France); Ghys, L. [KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven (Belgium); SCK-CEN, Belgian Nuclear Research Center, Boeretang 200, 2400 Mol (Belgium); Gaffney, L.P.; Granados, C. [KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, B-3001 Leuven (Belgium); Heinke, R. [Institut für Physik, Johannes Gutenberg Universität, 55128 Mainz (Germany); Hijazi, L. [GANIL, CEA/DSM-CNRS/IN2P3, B.P. 55027, 14076 Caen (France); and others

    2016-06-01

    To study exotic nuclides at the borders of stability with laser ionization and spectroscopy techniques, highest efficiencies in combination with a high spectral resolution are required. These usually opposing requirements are reconciled by applying the in-gas-laser ionization and spectroscopy (IGLIS) technique in the supersonic gas jet produced by a de Laval nozzle installed at the exit of the stopping gas cell. Carrying out laser ionization in the low-temperature and low density supersonic gas jet eliminates pressure broadening, which will significantly improve the spectral resolution. This article presents the required modifications at the Leuven Isotope Separator On-Line (LISOL) facility that are needed for the first on-line studies of in-gas-jet laser spectroscopy. Different geometries for the gas outlet and extraction ion guides have been tested for their performance regarding the acceptance of laser ionized species as well as for their differential pumping capacities. The specifications and performance of the temporarily installed high repetition rate laser system, including a narrow bandwidth injection-locked Ti:sapphire laser, are discussed and first preliminary results on neutron-deficient actinium isotopes are presented indicating the high capability of this novel technique.

  8. Feasibility studies for assessing internal exposure to {sup 233}U

    Energy Technology Data Exchange (ETDEWEB)

    Mehta, D.J.; Sharma, R.C.; Ramanujam, A.; Haridasan, T.K.; Sawant, P.D.; Rathinam, M

    2003-07-01

    The potential internal occupational exposure encountered as a consequence of the {sup 232}Th-{sup 233}U fuel cycle are likely to arise predominantly from the inhalation of {sup 232}Th, {sup 233}U and ({sup 232}Th + {sup 233}U) compounds of absorption Types M and S. In the past, although direct and indirect methods for assessments of internal exposure to {sup 232}Th and its daughters were developed, standardised and employed, no such attempts have been made with regard to {sup 233}U and {sup 233}U+{sup 232}Th. Therefore, feasibility studies for assessing internal exposures to {sup 233}U have been conducted using three methods: urine bioassay, in vivo counting and measurement of thoron gas in the exhaled breath of a worker. This paper describes details of these studies and discusses the results obtained. (author)

  9. Extraction of 229Th From 233U Solution

    Institute of Scientific and Technical Information of China (English)

    XIAO; Guo-ping; ZHAO; Li-fei

    2013-01-01

    A two-step separation procedure for preparation of 229Th tracer from 233U was developed using CL-TBP and TEVA extraction chromatography.The decontamination factor of uranium from thorium is larger than 4.6×106.After separation,the content of 233U in uranium fraction was measured by ID-ICP-MS,

  10. 45 CFR 233.51 - Eligibility of sponsored aliens.

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 2 2010-10-01 2010-10-01 false Eligibility of sponsored aliens. 233.51 Section... CONDITIONS OF ELIGIBILITY IN FINANCIAL ASSISTANCE PROGRAMS § 233.51 Eligibility of sponsored aliens... affidavit(s) of support or similar agreement on behalf of an alien (who is not the child of the sponsor...

  11. 48 CFR 1852.233-70 - Protests to NASA.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 6 2010-10-01 2010-10-01 true Protests to NASA. 1852.233... 1852.233-70 Protests to NASA. As prescribed in 1833.106-70, insert the following provision: Protests to NASA (OCT 2002) Potential bidders or offerors may submit a protest under 48 CFR part 33 (FAR part...

  12. 40 CFR 86.233-94-86.234-94 - [Reserved

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 18 2010-07-01 2010-07-01 false 86.233-94-86.234-94 Section 86.233-94-86.234-94 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR PROGRAMS... 1994 and Later Model Year Gasoline-Fueled New Light-Duty Vehicles, New Light-Duty Trucks and New...

  13. 29 CFR 1952.233 - Compliance staffing benchmarks.

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 9 2010-07-01 2010-07-01 false Compliance staffing benchmarks. 1952.233 Section 1952.233... Compliance staffing benchmarks. Under the terms of the 1978 Court Order in AFL-CIO v. Marshall compliance staffing levels (benchmarks) necessary for a “fully effective” enforcement program were required to...

  14. Repository criticality control for {sup 233}U using depleted uranium

    Energy Technology Data Exchange (ETDEWEB)

    Forsberg, C.W.; Elam, K.R.; Hopper, C.M.

    1999-07-01

    The US is evaluating methods for the disposition of excess weapons-usable {sup 233}U, including disposal in a repository. Isotopic dilution studies were undertaken to determine how much depleted uranium (DU) would need to be added to the {sup 233}U to minimize the potential for nuclear criticality in a repository. Numerical evaluations were conducted to determine the nuclear equivalence of different {sup 235}U enrichments to {sup 233}U isotopically diluted with DU containing 0.2 wt% {sup 235}U. A homogeneous system of silicon dioxide, water, {sup 233}U, and DU, in which the ratio of each component was varied, was used to determine the conditions of maximum nuclear reactivity. In terms of preventing nuclear criticality in a repository, there are three important limits from these calculations. 1. Criticality safe in any nonnuclear system: The required isotopic dilution to ensure criticality under all conditions, except in the presence of man-made nuclear materials (beryllium, etc.), is {approximately}1.0% {sup 235}U in {sup 238}U. The equivalent {sup 233}U enrichment level is 0.53 wt% {sup 233}U in DU. 2. Critically safe in natural systems: The lowest {sup 235}U enrichment found in a natural reactor at shutdown was {approximately}1.3%. French studies, based on the characteristics of natural uranium ore bodies, indicate that a minimum enrichment of {approximately}1.28% {sup 235}U is required for criticality. These data suggest that nuclear criticality from migrating uranium is not realistic unless the {sup 235}U enrichments exceed {approximately}1.3%, which is a result that is equivalent to 0.72% {sup 233}U in DU. 3. Criticality safety equivalent to light water reactor (LWR) spent nuclear fuel (SNF): The {sup 233}U can be diluted with DU so that the uranium criticality characteristics match SNF uranium. Whatever repository criticality controls are used for SNF can then be used for {sup 233}U. The average LWR SNF assay (after decay of plutonium isotopes to uranium

  15. 27 CFR 46.233 - Payment of floor stocks tax.

    Science.gov (United States)

    2010-04-01

    ... PRODUCTS AND CIGARETTE PAPERS AND TUBES Floor Stocks Tax on Certain Tobacco Products, Cigarette Papers, and Cigarette Tubes Held for Sale on April 1, 2009 Filing Requirements § 46.233 Payment of floor stocks tax. (a) Electronic funds transfer. If the dealer pays any other excise taxes collected by TTB by electronic...

  16. 45 CFR 233.101 - Dependent children of unemployed parents.

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 2 2010-10-01 2010-10-01 false Dependent children of unemployed parents. 233.101... children of unemployed parents. A State plan under title IV-A for payment of such aid must: (1) Include a... any child, whichever parent, in a home in which both parents of such child are living, earned...

  17. 45 CFR 233.100 - Dependent children of unemployed parents.

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 2 2010-10-01 2010-10-01 false Dependent children of unemployed parents. 233.100... unemployed parents. (a) Requirements for State Plans. If a State wishes to provide AFDC for children of... which shall include any child of an unemployed parent (as defined by the State pursuant to paragraph...

  18. 48 CFR 1352.233-70 - Agency protests.

    Science.gov (United States)

    2010-10-01

    ... upon the Contract Law Division of the Office of the General Counsel within one day of filing a protest..., Chief, Contract Law Division, Room 5893, Herbert C. Hoover Building, 14th Street and Constitution Avenue... FORMS SOLICITATION PROVISIONS AND CONTRACT CLAUSES Text of Provisions and Clauses 1352.233-70...

  19. 40 CFR 233.40 - Requirements for compliance evaluation programs.

    Science.gov (United States)

    2010-07-01

    ... DUMPING 404 STATE PROGRAM REGULATIONS Compliance Evaluation and Enforcement § 233.40 Requirements for compliance evaluation programs. (a) In order to abate violations of the permit program, the State shall... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirements for compliance...

  20. AP233: An Information Model for Systems Engineering

    Science.gov (United States)

    Siebes, Georg

    2009-01-01

    In today's world, information is abundant. We have no problems generating it. But we are challenged to find, organize, and exchange information. center dot A standardized model of information can help. Such a model nearly completed its development for Systems Engineering. It is referred to as AP233 (AP = Application Protocol).

  1. Experimental determination of the {sup 233}U half-life

    Energy Technology Data Exchange (ETDEWEB)

    Pomme, S.; Altzitzoglou, T.; Van Ammel, R.; Sibbens, G.; Eykens, R.; Richter, S.; Camps, J. [European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Geel (Belgium); Kossert, K.; Janben, H. [Physikalisch-Technische Bundesanstalt (PTB), Braunschweig (Germany); Garcia-Torano, E.; Duran, T. [CIEMAT, Lab. de Metrologia de Radiaciones Ionizantes, Madrid (Spain); Jaubert, F. [CEA Saclay, LNE-LNHB, Lab. National Henri Becquerel 91 - Gif-sur-Yvette (France)

    2009-10-15

    The half-life of {sup 233}U was determined by a specific activity method, in the frame of an international collaboration project of four metrology institutes. A purified, highly enriched {sup 233}U solution was prepared with certified concentration of uranium isotopes. The isotopic composition of the uranium material was determined by thermal ionization mass spectrometry. The ingrowth of daughter nuclides was calculated and confirmed by {alpha}-particle and {gamma}-ray spectrometry measurements. Quantitative sources were prepared from aliquots of the {sup 233}U solution and their disintegration rate was determined by means of {alpha}-particle counting at a defined small solid angle, liquid-scintillation counting and 4{pi} counting in a pressurized proportional counter and in a CsI(Tl) sandwich spectrometer. A half-life value of 1.5867(14) * 10{sup 5} a was obtained, in which the relative standard uncertainty amounts to 0.09%. The result is lower than the currently recommended value of 1.592(2) * 10{sup 5} a and a new best estimate of T(1/2)({sup 233}U) = 1.5903(13) * 10{sup 5} a was calculated from a partially weighted mean of a set of published data. (authors)

  2. Thermal Stabilization of {sup 233}UO{sub 2}, {sup 233}UO{sub 3}, and {sup 233}U{sub 3}O{sub 8}

    Energy Technology Data Exchange (ETDEWEB)

    Thein, S.M.

    2000-07-26

    This report identifies an appropriate thermal stabilization temperature for {sup 233}U oxides. The temperature is chosen principally on the basis of eliminating moisture and other residual volatiles. This report supports the U. S. Department of Energy (DOE) Standard for safe storage of {sup 233}U (DOE 2000), written as part of the response to Recommendation 97-1 of the Defense Nuclear Facilities Safety Board (DNFSB), addressing safe storage of {sup 233}U. The primary goals in choosing a stabilization temperature are (1) to ensure that the residual volatiles content is less than 0.5 wt % including moisture, which might produce pressurizing gases via radiolysis during long-term sealed storage; (2) to minimize potential for water readsorption above the 0.5 wt % threshold; and (3) to eliminate reactive uranium species. The secondary goals are (1) to reduce potential future chemical reactivity and (2) to increase the particle size thereby reducing the potential airborne release fraction (ARF) under postulated accident scenarios. The prevalent species of uranium oxide are the chemical forms UO{sub 2}, UO{sub 3}, and U{sub 3}O{sub 8}. Conversion to U{sub 3}O{sub 8} is sufficient to accomplish all of the desired goals. The preferred storage form is U{sub 3}O{sub 8} because it is more stable than UO{sub 2} or UO{sub 3} in oxidizing atmospheres. Heating in an oxidizing atmosphere at 750 C for at least one hour will achieve the thermal stabilization desired.

  3. 40 CFR 23.3 - Timing of Administrator's action under Clean Air Act.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 1 2010-07-01 2010-07-01 false Timing of Administrator's action under Clean Air Act. 23.3 Section 23.3 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY GENERAL JUDICIAL REVIEW UNDER EPA-ADMINISTERED STATUTES § 23.3 Timing of Administrator's action under Clean Air...

  4. Updated and revised neutron reaction data for 233U

    Institute of Scientific and Technical Information of China (English)

    YU Bao-Sheng; CHEN Guo-Chang; ZHANG Hua; CAO Wen-Tian; TANG Guo-You; TAO Xi

    2013-01-01

    A complete set of n+233U neutron reaction data from 10-5 eV-20 MeV is updated and revised based on the evaluated experimental data and the feedback information of various benchmark tests.The main revised quantities are nubars,cross sections as well as angular distributions,etc.The benchmark tests indicate that the present evaluated data achieve very promising results.

  5. Energy Partition in n+233U Fission Reaction

    Institute of Scientific and Technical Information of China (English)

    CHEN; Yong-jing; LIU; Ting-jin; SHU; Neng-chuan

    2012-01-01

    <正>The partition of the total excitation energy between the fission fragments for the n+233U fission reactions are analyzed with a semi-empirical model, and it is a key point for calculating the prompt fission neutron spectrum, and it is still a long-standing problem for nuclear fission, and attracts more and more attention. With the available experimental data, such as the average total number of emitted neutrons, the

  6. Determination of {sup 233}U by inductively coupled argon plasma - atomic emission spectrometry

    Energy Technology Data Exchange (ETDEWEB)

    Patwardhan, A.B.; Kulkarni, V.T.; Radhakrishnan, K.; Ramanujam, A.; Page, A.G. [Bhabha Atomic Research Centre, Bombay (India)

    1994-09-01

    The paper describes studies carried out for the determination of {sup 233}U at various stages during the recovery and purification of {sup 233}U from {sup 233}U-Al alloy scraps generated during the fabrication of {sup 233}U-Al alloy fuel. Employing a high resolution sequential spectrometer and Inductively Coupled argon Plasma (ICP) as the spectral excitation source, isotope shift for {sup 233}U with respect to {sup 238}U has been resolved and recorded. The shift for the 424.437 nm emission line of {sup 238}U is found to be of the order of 0.040 nm on the lower wavelength side for {sup 233}U and this isotopic effect has been utilised for the quantitative determination of {sup 233}U. The overall precision of the method is 5% RSD with the detection limit of 0.01 {mu}g/ml.

  7. Th/U-233 multi-recycle in PWRs.

    Energy Technology Data Exchange (ETDEWEB)

    Yun, D.; Kim, T. K.; Taiwo, T. A.; Nuclear Engineering Division

    2010-09-07

    The use of thorium in current or advanced light water reactors (LWRs) has been of interest in recent years. These interests have been associated with the need to increase nuclear fuel resources and the perceived non-proliferation advantages of the utilization of thorium in the fuel cycle. Various options have been considered for the use of thorium in the LWR fuel cycle including: (1) its use in a once-through fuel cycle to replace non-fissile uranium or to extend fuel burnup due to its attractive fertile material conversion, (2) its use for fissile plutonium burning in limited recycle cores, and (3) its advantage in limiting the transuranic elements to be disposed off in a repository (if only Th/U-233 fuel is used). The possibility for thorium utilization in multirecycle system has also been considered by various researchers, primarily because of the potential for near breeders with Th/U-233 in the thermal energy range. The objective of this project is to evaluate the potential of the Th/U-233 fuel multirecycle in current LWRs, with focus this year on pressurized water reactors (PWRs). In this work, approaches for ensuring a sustainable multirecycle without the need for external source of makeup fissile material have been investigated. The intent is to achieve a design that allows existing PWRs to be used with minimal modifications. In all cases including homogeneous and heterogeneous assembly designs, the assembly pitch is kept consistent with that of the current PWRs (21.5 cm used). Because of design difficulties associated with using the same geometry and dimensions as a PWR core, the potential modifications (other than assembly pitch) that would be needed for PWRs to ensure a sustainable multirecycle system have been investigated and characterized. Additionally, the implications of the use of thorium on the LWR fuel cycle are discussed. In Section 2, background information on studies evaluating the use of thorium in the fuel cycle is provided, but focusing on

  8. Nuclear reactor for breeding U.sup.233

    Science.gov (United States)

    Bohanan, Charles S.; Jones, David H.; Raab, Jr., Harry F.; Radkowsky, Alvin

    1976-01-01

    A light-water-cooled nuclear reactor capable of breeding U.sup.233 for use in a light-water breeder reactor includes physically separated regions containing U.sup.235 fissile material and U.sup.238 fertile material and Th.sup.232 fertile material and Pu.sup.239 fissile material, if available. Preferably the U.sup.235 fissile material and U.sup.238 fertile material are contained in longitudinally movable seed regions and the Pu.sup.239 fissile material and Th.sup.232 fertile material are contained in blanket regions surrounding the seed regions.

  9. 20 CFR 702.233 - Penalty for failure to pay without an award.

    Science.gov (United States)

    2010-04-01

    .... 702.233 Section 702.233 Employees' Benefits EMPLOYMENT STANDARDS ADMINISTRATION, DEPARTMENT OF LABOR LONGSHOREMEN'S AND HARBOR WORKERS' COMPENSATION ACT AND RELATED STATUTES ADMINISTRATION AND PROCEDURE Claims... the same time as, but in addition to, such installment unless the employer files notice...

  10. 18 CFR 367.2330 - Account 233, Notes payable to associate companies.

    Science.gov (United States)

    2010-04-01

    ... Account 233, Notes payable to associate companies. (a) This account must include amounts owing to... accounts payable on demand or not more than one year from date of issue or creation. (b) Exclude from this... 18 Conservation of Power and Water Resources 1 2010-04-01 2010-04-01 false Account 233,...

  11. 45 CFR 233.106 - Denial of AFDC benefits to strikers.

    Science.gov (United States)

    2010-10-01

    ...” by using the National Labor Relations Board definition (29 U.S.C. 142(2)) or another definition of... 45 Public Welfare 2 2010-10-01 2010-10-01 false Denial of AFDC benefits to strikers. 233.106 Section 233.106 Public Welfare Regulations Relating to Public Welfare OFFICE OF FAMILY...

  12. 27 CFR 31.233 - Mixing cocktails in advance of sale.

    Science.gov (United States)

    2010-04-01

    ... 27 Alcohol, Tobacco Products and Firearms 1 2010-04-01 2010-04-01 false Mixing cocktails in advance of sale. 31.233 Section 31.233 Alcohol, Tobacco Products and Firearms ALCOHOL AND TOBACCO TAX AND... liquors in advance of sale, except for the purpose of filling, for immediate consumption on the...

  13. 9 CFR 2.33 - Attending veterinarian and adequate veterinary care.

    Science.gov (United States)

    2010-01-01

    ... veterinary care. 2.33 Section 2.33 Animals and Animal Products ANIMAL AND PLANT HEALTH INSPECTION SERVICE... adequate veterinary care. (a) Each research facility shall have an attending veterinarian who shall provide adequate veterinary care to its animals in compliance with this section: (1) Each research facility...

  14. A 233 km tunnel for lepton and hadron colliders

    Energy Technology Data Exchange (ETDEWEB)

    Summers, D. J.; Cremaldi, L. M.; Datta, A.; Duraisamy, M.; Luo, T.; Lyons, G. T. [Dept. of Physics and Astronomy, University of Mississippi-Oxford, University, MS 38677 (United States)

    2012-12-21

    A decade ago, a cost analysis was conducted to bore a 233 km circumference Very Large Hadron Collider (VLHC) tunnel passing through Fermilab. Here we outline implementations of e{sup +}e{sup -}, pp-bar , and {mu}{sup +}{mu}{sup -} collider rings in this tunnel using recent technological innovations. The 240 and 500 GeV e{sup +}e{sup -} colliders employ Crab Waist Crossings, ultra low emittance damped bunches, short vertical IP focal lengths, superconducting RF, and low coercivity, grain oriented silicon steel/concrete dipoles. Some details are also provided for a high luminosity 240 GeV e{sup +}e{sup -} collider and 1.75 TeV muon accelerator in a Fermilab site filler tunnel. The 40 TeV pp-bar collider uses the high intensity Fermilab p-bar source, exploits high cross sections for pp-bar production of high mass states, and uses 2 Tesla ultra low carbon steel/YBCO superconducting magnets run with liquid neon. The 35 TeV muon ring ramps the 2 Tesla superconducting magnets at 9 Hz every 0.4 seconds, uses 250 GV of superconducting RF to accelerate muons from 1.75 to 17.5 TeV in 63 orbits with 71% survival, and mitigates neutrino radiation with phase shifting, roller coaster motion in a FODO lattice.

  15. A 233 km Tunnel for Lepton and Hadron Colliders

    CERN Document Server

    Summers, D J; Datta, A; Duraisamy, M; Luo, T; Lyons, G T

    2012-01-01

    A decade ago, a cost analysis was conducted to bore a 233 km circumference Very Large Hadron Collider (VLHC) tunnel passing through Fermilab. Here we outline implementations of $e^+e^-$, $p \\bar{p}$, and $\\mu^+ \\mu^-$ collider rings in this tunnel using recent technological innovations. The 240 and 500 GeV $e^+e^-$ colliders employ Crab Waist Crossings, ultra low emittance damped bunches, short vertical IP focal lengths, superconducting RF, and low coercivity, grain oriented silicon steel/concrete dipoles. Some details are also provided for a high luminosity 240 GeV $e^+ e^-$ collider and 1.75 TeV muon accelerator in a Fermilab site filler tunnel. The 40 TeV $p \\bar{p}$ collider uses the high intensity Fermilab $\\bar{p}$ source, exploits high cross sections for $p \\bar{p}$ production of high mass states, and uses 2 Tesla ultra low carbon steel/YBCO superconducting magnets run with liquid neon. The 35 TeV muon ring ramps the 2 Tesla superconducting magnets at 9 Hz every 0.4 seconds, uses 250 GV of superconduct...

  16. Statistical analysis of 233 cases in cerebovascular Diseases

    Institute of Scientific and Technical Information of China (English)

    Hu Hao-Yu; Zhejiang; Jlnhua

    2000-01-01

    Objection:Monitoring Clinical in-patient constituent ratio in cerebral vasscular diseases. Methods: we monitored 233 cases of CVD in clinical in--patient 13170 cases for three years with unique registry card accroding to ICD--9. These pepole′s data was putted in computer. Age, sex, constituent ratio of each disease in CVD was observed and number of death and rank order of cases of death as well. Results: In our data, number of male is more than female(1.75:I). Constituent ratio of age is increasing at 40 years old. Main part of CH is middle age and senility, but CI age is senility. Constituent ratio of each disease is following :CI 67.74%, CH 22.13%, CT 6.06%, SAH 3.79% respectlvly. The rank order of death in CVD is third later in cardiovascular diseases and tumors. Conclusions: Our materials revealsed that it is improtant that intensiv′e care and treatment group in pead population of CVD and prevention high risk facters of CVD and health care education

  17. 药疹233例临床特征分析%Clinical analysis of 233 patients with drug eruption

    Institute of Scientific and Technical Information of China (English)

    吴伊旋; 冯欢; 刘怡文; 钱骋风; 陆平

    2001-01-01

    目的:了解当前药疹的主要临床特征,为其防治工作提供参考。方法:收集1999年全年确诊为药疹的病例233例,并对其发病年龄、主要致敏药物、皮疹类型等临床特征进行分析。结果:药疹的发病年龄有所提高,主要致敏药物以抗生素最常见,其次为解热镇痛抗炎药、血清及疫苗制剂、中成药。皮疹类型以猩红热样或麻疹样型最常见,其次为荨麻疹型、多型红斑型、固定型。结论:临床医生在用药时应详细询问病史,避免不必要用药,以减少药疹发生%AIM:To discuss the main clinical characteristics of current drug eruption for reference of prevention and treatment of drug eruption. METHODS: Two hundred and thirty-three with drug eruption in 1999 were collected, and their clinical characteristics, such as age, main causative drugs and eruption types, etc. were analysed. RESULTS: The age of current drug eruption increased. Antibiotics was the most common causative drug, while antiinflammatory analgestics, serum and vaccine, traditional Chinese medicine were next to it. Scarlet fever-like or measles-like type was the most common eruption type, while urticaria type, erythema multiforme type and fixed type were next to it. CONCLUSION: Clinical physicians shoud inquire alergic history of patients thoroughly and avoid unnecessary drugs, so as to decrease the occurrence of drug eruption.

  18. L233P mutation of the Tax protein strongly correlated with leukemogenicity of bovine leukemia virus.

    Science.gov (United States)

    Inoue, Emi; Matsumura, Keiko; Soma, Norihiko; Hirasawa, Shintaro; Wakimoto, Mayuko; Arakaki, Yoshihiro; Yoshida, Takashi; Osawa, Yoshiaki; Okazaki, Katsunori

    2013-12-27

    The bovine leukemia virus (BLV) Tax protein is believed to play a crucial role in leukemogenesis by the virus. BLV usually causes asymptomatic infections in cattle, but only one-third develop persistent lymphocytosis that rarely progress after a long incubation period to lymphoid tumors, namely enzootic bovine leucosis (EBL). In the present study, we demonstrated that the BLV tax genes could be divided into two alleles and developed multiplex PCR detecting an L233P mutation of the Tax protein. Then, in order to define the relationship between the Tax protein and leukemogenicity, we examined 360 tumor samples randomly collected from dairy or breeding cattle in Japan, of which Tax proteins were categorized, for age at the time of diagnosis of EBL. The ages of 288 animals (80.0%) associated with L233-Tax and those of 70 animals (19.4%) with P233-Tax individually followed log-normal distributions. Only the two earliest cases (0.6%) with L233-Tax disobeyed the log-normal distribution. These findings suggest that the animals affected by EBL were infected with the virus at a particular point in life, probably less than a few months after birth. Median age of those with P233-Tax was 22 months older than that with L233-Tax and geometric means exhibited a significant difference (PTax protein infect older cattle. Here, we conclude that BLV could be divided into two categories on the basis of amino acid at position 233 of the Tax protein, which strongly correlated with leukemogenicity.

  19. Interim assessment of the denatured /sup 233/U fuel cycle: feasibility and nonproliferation characteristics

    Energy Technology Data Exchange (ETDEWEB)

    Abbott, L.S.; Bartine, D.E.; Burns, T.J. (eds.)

    1978-12-01

    A fuel cycle that employs /sup 233/U denatured with /sup 238/U and mixed with thorium fertile material is examined with respect to its proliferation-resistance characteristics and its technical and economic feasibility. The rationale for considering the denatured /sup 233/U fuel cycle is presented, and the impact of the denatured fuel on the performance of Light-Water Reactors, Spectral-Shift-Controlled Reactors, Gas-Cooled Reactors, Heavy-Water Reactors, and Fast Breeder Reactors is discussed. The scope of the R, D and D programs to commercialize these reactors and their associated fuel cycles is also summarized and the resource requirements and economics of denatured /sup 233/U cycles are compared to those of the conventional Pu/U cycle. In addition, several nuclear power systems that employ denatured /sup 233/U fuel and are based on the energy center concept are evaluated. Under this concept, dispersed power reactors fueled with denatured or low-enriched uranium fuel are supported by secure energy centers in which sensitive activities of the nuclear cycle are performed. These activities include /sup 233/U production by Pu-fueled transmuters (thermal or fast reactors) and reprocessing. A summary chapter presents the most significant conclusions from the study and recommends areas for future work.

  20. Uranium-233 waste definition: Disposal options, safeguards, criticality control, and arms control

    Energy Technology Data Exchange (ETDEWEB)

    Forsberg, C.W.; Storch, S.N. [Oak Ridge National Lab., TN (United States); Lewis, L.C. [Lockheed Martin Idaho Technology Co., Idaho Falls, ID (United States). Idaho National Engineering and Environmental Lab.

    1998-07-07

    The US investigated the use of {sup 233}U for weapons, reactors, and other purposes from the 1950s into the 1970s. Based on the results of these investigations, it was decided not to use {sup 233}U on a large scale. Most of the {sup 233}U-containing materials were placed in long-term storage. At the end of the cold war, the US initiated, as part of its arms control policies, a disposition program for excess fissile materials. Other programs were accelerated for disposal of radioactive wastes placed in storage during the cold war. Last, potential safety issues were identified related to the storage of some {sup 233}U-containing materials. Because of these changes, significant activities associated with {sup 233}U-containing materials are expected. This report is one of a series of reports to provide the technical bases for future decisions on how to manage this material. A basis for defining when {sup 233}U-containing materials can be managed as waste and when they must be managed as concentrated fissile materials has been developed. The requirements for storage, transport, and disposal of radioactive wastes are significantly different than those for fissile materials. Because of these differences, it is important to classify material in its appropriate category. The establishment of a definition of what is waste and what is fissile material will provide the guidance for appropriate management of these materials. Wastes are defined in this report as materials containing sufficiently small masses or low concentrations of fissile materials such that they can be managed as typical radioactive waste. Concentrated fissile materials are defined herein as materials containing sufficient fissile content such as to warrant special handling to address nuclear criticality, safeguards, and arms control concerns.

  1. 50 CFR 23.3 - What other wildlife and plant regulations may apply?

    Science.gov (United States)

    2010-10-01

    ..., EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS (CONTINUED) CONVENTION ON INTERNATIONAL TRADE IN ENDANGERED SPECIES OF WILD FAUNA AND FLORA (CITES) Introduction § 23.3 What other wildlife and plant... permit or have additional restrictions. Many CITES species are also covered by one or more parts of...

  2. 45 CFR 233.21 - Budgeting methods for OAA, AB, APTD, and AABD.

    Science.gov (United States)

    2010-10-01

    ....21 Section 233.21 Public Welfare Regulations Relating to Public Welfare OFFICE OF FAMILY ASSISTANCE (ASSISTANCE PROGRAMS), ADMINISTRATION FOR CHILDREN AND FAMILIES, DEPARTMENT OF HEALTH AND HUMAN SERVICES... will exist in that month. This estimate shall be based on the agency's reasonable expectation...

  3. The Calculation of 233U and 232U in Irradiation Process of Thorium

    Institute of Scientific and Technical Information of China (English)

    MA; Peng; MAO; Guo-shu

    2012-01-01

    <正>Currently,sufficient nuclear fuel supply is the most important problem with the nuclear power growing rapidly, so the use of thorium fuel is being put on the agenda. The applicability of thorium as a power reactor fuel is based on a (n, γ) reaction of 232Th. The resulting nuclide, 233Th, is unstable to form

  4. 46 CFR 10.233 - Obligations of the holder of a merchant mariner credential.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Obligations of the holder of a merchant mariner... § 10.233 Obligations of the holder of a merchant mariner credential. (a) The holder of a credential may... credential. If the holder violates this section, the Coast Guard may pursue suspension or revocation of...

  5. 29 CFR 779.233 - Independent contractors performing work “for” an enterprise.

    Science.gov (United States)

    2010-07-01

    ... Apply; Enterprise Coverage Leased Departments, Franchise and Other Business Arrangements § 779.233... section 3(r) has reference to an independent business which performs services for other businesses as an established part of its own business activities. The term “independent contractor” as used in 3(r) thus...

  6. 48 CFR 52.233-4 - Applicable Law for Breach of Contract Claim.

    Science.gov (United States)

    2010-10-01

    ... Provisions and Clauses 52.233-4 Applicable Law for Breach of Contract Claim. As prescribed in 33.215(b), insert the following clause: Applicable Law for Breach of Contract Claim (OCT 2004) United States law... 48 Federal Acquisition Regulations System 2 2010-10-01 2010-10-01 false Applicable Law for...

  7. Engineering evaluation/cost analysis for the 233-S Plutonium Concentration Facility

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1997-01-01

    The deactivated 233-S Plutonium Concentration Facility (233-S Facility) is located in the 200 Area. The facility has undergone severe degradation due to exposure to extreme weather conditions. A rapid freeze and thaw cycle occurred at the Hanford Site during February 1996, which caused cracking to occur on portions of the building`s roof. This has resulted in significantly infiltration of water into the facility, which provides a pathway for potential release of radioactive material into the environment (air and/or ground). The weather caused several existing cracks in the concrete portions of the structure to lengthen, increasing the potential for failed confinement of the radioactive material in the building. Differential settlement has also occurred, causing portions of the facility to separate from the main building structure thus creating a potential for release of radioactive material t the environment. An expedited removal action is proposed to ensure that a release from the 233-S Facility does not occur. The US Department of Energy (DOE), Richland Operations Office (RL), in cooperation with the EPA, has prepared this Engineering Evaluation/Cost Analysis (EE/CA) pursuant to CERCLA. Based on the evaluation, RL has determined that hazardous substances in the 233-S Facility may present a potential threat to human health and/or the environment, and that an expedited removal action is warranted. The purpose of the EE/CA is to provide the framework for the evaluation and selection of a technology from a viable set of alternatives for a removal action.

  8. 16 CFR 233.2 - Retail price comparisons; comparable value comparisons.

    Science.gov (United States)

    2010-01-01

    ... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Retail price comparisons; comparable value... GUIDES AGAINST DECEPTIVE PRICING § 233.2 Retail price comparisons; comparable value comparisons. (a.... Expressed another way, if a number of the principal retail outlets in the area are regularly selling Brand...

  9. 5 CFR 591.233 - Who can receive a post differential?

    Science.gov (United States)

    2010-01-01

    ... 5 Administrative Personnel 1 2010-01-01 2010-01-01 false Who can receive a post differential? 591... ALLOWANCES AND DIFFERENTIALS Cost-of-Living Allowance and Post Differential-Nonforeign Areas Post Differentials § 591.233 Who can receive a post differential? An employee must meet all of the...

  10. 46 CFR 153.233 - Separation of tanks from machinery, service and other spaces.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Separation of tanks from machinery, service and other... Design and Equipment Cargo Containment Systems § 153.233 Separation of tanks from machinery, service and... joint: (1) Machinery spaces. (2) Service spaces. (3) Accommodation spaces. (4) Spaces for...

  11. 24 CFR 5.233 - Mandated use of HUD's Enterprise Income Verification (EIV) System.

    Science.gov (United States)

    2010-04-01

    ... 24 Housing and Urban Development 1 2010-04-01 2010-04-01 false Mandated use of HUD's Enterprise... and Verification of Social Security Numbers and Employer Identification Numbers; Procedures for... § 5.233 Mandated use of HUD's Enterprise Income Verification (EIV) System. (a) Programs subject...

  12. Breeding of {sup 233}U in the thorium–uranium fuel cycle in VVER reactors using heavy water

    Energy Technology Data Exchange (ETDEWEB)

    Marshalkin, V. E., E-mail: marshalkin@vniief.ru; Povyshev, V. M. [Russian Federal Nuclear Center All-Russian Research Institute of Experimental Physics (VNIIEF) (Russian Federation)

    2015-12-15

    A method is proposed for achieving optimal neutron kinetics and efficient isotope transmutation in the {sup 233}U–{sup 232}Th oxide fuel of water-moderated reactors with variable water composition (D{sub 2}O, H{sub 2}O) that ensures breeding of the {sup 233}U and {sup 235}U isotopes. The method is comparatively simple to implement.

  13. 77 FR 67394 - Gulf of Mexico (GOM), Outer Continental Shelf (OCS), Western Planning Area (WPA) Lease Sale 233...

    Science.gov (United States)

    2012-11-09

    ... Area (WPA) Lease Sale 233 and Central Planning Area (CPA) Lease Sale 231, Oil and Gas Lease Sales... Supplemental EIS for oil and gas lease sales tentatively scheduled in 2013 and 2014 in the WPA and CPA offshore... environmental and socioeconomic analyses for proposed WPA Lease Sale 233 and proposed CPA Lease Sale 231,...

  14. Calculation of Prompt Fission Neutron Spectrum for 233U(n, f) Reaction by Semi-empirical Method

    Institute of Scientific and Technical Information of China (English)

    CHEN; Yong-jing; LIU; Ting-jin; SHU; Neng-chuan

    2013-01-01

    The prompt fission neutron spectra for neutron-induced fission of 233U for low energy neutron(below 6 MeV)are calculated using the nuclear evaporation theory with a semi-empirical method,in which the partition of the total excitation energy between the fission fragments for the nth+233U fission

  15. Breeding of 233U in the thorium-uranium fuel cycle in VVER reactors using heavy water

    Science.gov (United States)

    Marshalkin, V. E.; Povyshev, V. M.

    2015-12-01

    A method is proposed for achieving optimal neutron kinetics and efficient isotope transmutation in the 233U-232Th oxide fuel of water-moderated reactors with variable water composition (D2O, H2O) that ensures breeding of the 233U and 235U isotopes. The method is comparatively simple to implement.

  16. Technical Competencies for the Safe Interim Storage and Management of 233U at U.S. Department of Energy Facilities

    Energy Technology Data Exchange (ETDEWEB)

    Campbell, D.O.; Krichinsky, A.M.; Laughlin, S.S.; Van Essen, D.C.; Yong, L.K.

    1999-02-17

    Uranium-233 (with concomitant {sup 232}U) is a man-made fissile isotope of uranium with unique nuclear characteristics which require high-integrity alpha containment biological shielding, and remote handling. The special handling considerations and the fact that much of the {sup 233}U processing and large-scale handling was performed over a decade ago underscore the importance of identifying the people within the DOE complex who are currently working with or have worked with {sup 233}U. The availability of these key personnel is important in ensuring safe interim storage, management and ultimate disposition of {sup 233}U at DOE facilities. Significant programs are ongoing at several DOE sites with actinides. The properties of these actinide materials require many of the same types of facilities and handling expertise as does {sup 233}U.

  17. Review of thorium-U233 cycle thermal reactor benchmark studies (AWBA Development Program)

    Energy Technology Data Exchange (ETDEWEB)

    Ullo, J.J.; Hardy, J. Jr.; Steen, N.M.

    1980-03-01

    A survey is made of existing integral experiments for U233 systems and thorium-uranium based fuel systems. The aim is to understand to what extent they give a consistent test of ENDF/B-IV nuclear data. A principal result is that ENDF/B-IV leads to an underprediction of neutron leakage. Results from testing alternate thorium data sets are presented. For one evaluation due to Leonard, the results depict a possible growing discrepancy between measured integral parameters such as rho/sup 02/ and I/sup 232/ and the differential data, which underpredicts these parameters. Sensitivities to other nuclear data components, notably the fission neutron spectrum, were determined. A new harder U233 spectrum significantly reduces a bias trend in K/sub eff/ vs leakage.

  18. Site specific health and safety plan, 233-S decontamination and decommissioning

    Energy Technology Data Exchange (ETDEWEB)

    J. E. Fasso

    1997-12-31

    The deactivated 233-S Plutonium Concentration Facility, located in the 200 Area at the Hanford Site, is the subject of this Health and Safety Plan.The 233-S Facility operated from January 1952 until July 1967 at which time the building entered the U.S. Department of Energy`s Surplus Facility Management Program as a retired facility. The facility has since undergone severe degradation due to exposure to extreme weather conditions. Additionally, the weather caused existing cracks in concrete structures of the building to lengthen, thereby increasing the potential for failed confinement of the radioactive material in the building. Differential settlement has also occurred causing portions of the facility to separate from the main building structure, increasing the potential for release of radioactive material to the environment. An expedited response is proposed to remove this threat and ensure protection of human health and the environment. On this premise it is intended that the 233-S Facility removal action be performed as a Comprehensive Environmental Response, Compensation, and Liability Act of 1980 Time-Critical Project being conducted under the Pilot Hanford Environmental Restoration (ER) Initiative

  19. Criticality safety validation: Simple geometry, single unit {sup 233}U systems

    Energy Technology Data Exchange (ETDEWEB)

    Putman, V.L.

    1997-06-01

    Typically used LMITCO criticality safety computational methods are evaluated for suitability when applied to INEEL {sup 233}U systems which reasonably can be modeled as simple-geometry, single-unit systems. Sixty-seven critical experiments of uranium highly enriched in {sup 233}U, including 57 aqueous solution, thermal-energy systems and 10 metal, fast-energy systems, were modeled. These experiments include 41 cylindrical and 26 spherical cores, and 41 reflected and 26 unreflected systems. No experiments were found for intermediate-neutron-energy ranges, or with interstitial non-hydrogenous materials typical of waste systems, mixed {sup 233}U and plutonium, or reflectors such as steel, lead, or concrete. No simple geometry experiments were found with cubic or annular cores, or approximating infinite sea systems. Calculations were performed with various tools and methodologies. Nine cross-section libraries, based on ENDF/B-IV, -V, or -VI.2, or on Hansen-Roach source data, were used with cross-section processing methods of MCNP or SCALE. The k{sub eff} calculations were performed with neutral-particle transport and Monte Carlo methods of criticality codes DANT, MCNP 4A, and KENO Va.

  20. 16 CFR 23.3 - Misuse of the terms “hand-made,” “hand-polished,” etc.

    Science.gov (United States)

    2010-01-01

    ... RULES GUIDES FOR THE JEWELRY, PRECIOUS METALS, AND PEWTER INDUSTRIES § 23.3 Misuse of the terms “hand... bulk sheet, strip, wire, and similar items that have not been cut, shaped, or formed into jewelry...

  1. Effect of electrolyte concentration on low-temperature electrochemical properties of LaNi5 alloy electrodes at 233 K

    Institute of Scientific and Technical Information of China (English)

    ZHANG Xiaoyan; CHEN Yungui; TAO Mingda; WU Chaoling

    2008-01-01

    The effect of KOH electrolyte concentration on low-temperature electrochemical properties of LaNi5 alloy electrodes at 233 K was studied. The results indicated that the electrolyte concentration had great influence on discharge capacity and discharge voltage plateau of LaNi5 alloy electrode at 233 K, and the highest discharge capacity and discharge voltage plateau were both obtained at 6 mol/L KOH. When the KOH electrolyte concentration changed from 5 to 9 mol/L at 233 K, the high rate discharge ability (HRD) had the same change tendency as the diffusion coefficient, but the exchange current density did not change significantly, which implied that hydrogen diffusion was the control step at low temperature 233 K for discharge process of LaNi5 alloy electrode.

  2. Conserved aspartic acid 233 and alanine 231 are not required for poliovirus polymerase function in replicons

    Directory of Open Access Journals (Sweden)

    Freistadt Marion S

    2007-03-01

    Full Text Available Abstract Nucleic acid polymerases have similar structures and motifs. The function of an aspartic acid (conserved in all classes of nucleic acid polymerases in motif A remains poorly understood in RNA-dependent RNA polymerases. We mutated this residue to alanine in a poliovirus replicon. The resulting mutant could still replicate, although at a reduced level. In addition, mutation A231C (also in motif A yielded high levels of replication. Taken together these results show that poliovirus polymerase conserved residues D233 and A231 are not essential to poliovirus replicon function.

  3. Conserved aspartic acid 233 and alanine 231 are not required for poliovirus polymerase function in replicons

    Science.gov (United States)

    Freistadt, Marion S; Eberle, Karen E

    2007-01-01

    Nucleic acid polymerases have similar structures and motifs. The function of an aspartic acid (conserved in all classes of nucleic acid polymerases) in motif A remains poorly understood in RNA-dependent RNA polymerases. We mutated this residue to alanine in a poliovirus replicon. The resulting mutant could still replicate, although at a reduced level. In addition, mutation A231C (also in motif A) yielded high levels of replication. Taken together these results show that poliovirus polymerase conserved residues D233 and A231 are not essential to poliovirus replicon function. PMID:17352827

  4. Study on Mass Distribution of n+233U Fission With Phenomenological Model

    Institute of Scientific and Technical Information of China (English)

    LIU; Li-le; SHU; Neng-chuan; LIU; Ting-jin; CHEN; Xiao-song; SUN; Zheng-jun; CHEN; Yong-jing; QIAN; Jing

    2012-01-01

    <正>The yields, as well as the dependences on incident energy, of n+233U fission are important in study of the Th/U fuel cycle. A phenomenological model was used to study the yield mass distribution over the incident neutron energy of 0-20 MeV, which has 11 parameters and were determined by fitting to the measured cumulative yields. The model could well reproduce the measured data, which had a significant improvement, comparing with the results of systematic calculation program CYFP and Talys.

  5. Clinically abnormal case with paternally derived partial trisomy 8p23.3 to 8p12 including maternal isodisomy of 8p23.3: a case report

    Directory of Open Access Journals (Sweden)

    Thieme Heike

    2009-06-01

    Full Text Available Abstract Background Because of low copy repeats (LCRs and common inversion polymorphisms, the human chromosome 8p is prone to a number of recurrent rearrangements. Each of these rearrangements is associated with several phenotypic features. We report on a patient with various clinical malformations and developmental delay in connection with an inverted duplication event, involving chromosome 8p. Methods Chromosome analysis, multicolor banding analysis (MCB, extensive fluorescence in situ hybridization (FISH analysis and microsatellite analysis were performed. Results The karyotype was characterized in detail by multicolor banding (MCB, subtelomeric and centromere-near probes as 46,XY,dup(8(pter->p23.3::p12->p23.3::p23.3->qter. Additionally, microsatellite analysis revealed the paternal origin of the duplication and gave hints for a mitotic recombination involving about 6 MB in 8p23.3. Conclusion A comprehensive analysis of the derivative chromosome 8 suggested a previously unreported mechanism of formation, which included an early mitotic aberration leading to maternal isodisomy, followed by an inverted duplication of the 8p12p23.3 region.

  6. 233例大学生失眠的心因性研究%Investigation and Analysis on the Psychological Factors of 233 College Students' Insomnia

    Institute of Scientific and Technical Information of China (English)

    王连发; 夏冬芹

    2007-01-01

    目的 探讨大学生失眠产生的心因性因素.方法 采用睡眠状况自评量表(SRSS)和自编失眠心因性量表,对233名大学生的睡眠状况进行调查研究.结果 失眠的大学生SRSS总分以及因子分(除因子8外)都显著高于常模,而且失眠的大学生表现出非常显著的年级差异.抑郁、焦虑、疑病素质和自我挫败感等心因性因素与SRSS总分相关非常显著(P<0.01).抑郁、家庭经济贫困及学业成绩不及格因子进入逐步回归分析.结论 大学生,特别是失眠大学生的睡眠状况值得关注;应重在提高大学生失眠的心理应对、调节和改善机制.

  7. Process bases and specifications thorium---U-233 separations at the Purex Plant

    Energy Technology Data Exchange (ETDEWEB)

    Nielson, S.M.

    1965-07-26

    The Purex Plant was originally designed for the chemical processing of irradiated natural uranium. It has been used nearly exclusively for this purpose during its approximately ten-year operating lifetime. However, during the winter of 1964--1965, a special processing campaign was planned and accomplished in which approximately 6 tons of irradiated thoria targets were introduced to the plant, and the thorium-232 and uranium-233 were successfully separated and purified on a demonstration basis. For the demonstration thorium processing operation (6-ton test) of the winter of 1964--1965, process specifications were issued. These specifications were necessarily specific to the particular campaign inasmuch as a rather unusual processing scheme was required, by virtue of the small tonnage involved and the equipment limitations of the plant. Thus, for the relatively large operation subsequently planned, other process specifications are required. The purpose of this present document is to provide these specifications. Depending on the manner and extent of thorium -- uranium-233 production developments, these present specifications may have future application, at least in part. In addition to the process specifications, this document includes a section describing the flowsheet, and a section in which the technological bases for good process control are presented. In conjunction with the specifications, these sections are intended to provide the bases for the processing operations required to accomplish the processing objectives in a safe manner, and with minimum effect on equipment service life. All sections are organized in a manner to provide for relatively simple additions or revisions.

  8. Efficient Low-Voltage Operation of a CW Gyrotron Oscillator at 233 GHz.

    Science.gov (United States)

    Hornstein, Melissa K; Bajaj, Vikram S; Griffin, Robert G; Temkin, Richard J

    2007-02-01

    The gyrotron oscillator is a source of high average power millimeter-wave through terahertz radiation. In this paper, we report low beam power and high-efficiency operation of a tunable gyrotron oscillator at 233 GHz. The low-voltage operating mode provides a path to further miniaturization of the gyrotron through reduction in the size of the electron gun, power supply, collector, and cooling system, which will benefit industrial and scientific applications requiring portability. Detailed studies of low-voltage operation in the TE(2) (,) (3) (,) (1) mode reveal that the mode can be excited with less than 7 W of beam power at 3.5 kV. During CW operation with 3.5-kV beam voltage and 50-mA beam current, the gyrotron generates 12 W of RF power at 233.2 GHz. The EGUN electron optics code describes the low-voltage operation of the electron gun. Using gun-operating parameters derived from EGUN simulations, we show that a linear theory adequately predicts the low experimental starting currents.

  9. Shutdown margin for high conversion BWRs operating in Th-{sup 233}U fuel cycle

    Energy Technology Data Exchange (ETDEWEB)

    Shaposhnik, Y., E-mail: shaposhy@bgu.ac.il [NRCN – Nuclear Research Center Negev, POB 9001, Beer Sheva 84190 (Israel); Department of Nuclear Engineering, Ben-Gurion University of the Negev, POB 653, Beer Sheva 84105 (Israel); Shwageraus, E. [Department of Nuclear Engineering, Ben-Gurion University of the Negev, POB 653, Beer Sheva 84105 (Israel); Elias, E. [Faculty of Mechanical Engineering, Technion – Israel Institute of Technology, Technion City 32000, Haifa (Israel)

    2014-09-15

    Highlights: • BWR core operating in a closed self-sustainable Th-{sup 233}U fuel cycle. • Shutdown Margin in Th-RBWR design. • Fully coupled MC with fuel depletion and thermo-hydraulic feedback modules. • Thermal–hydraulic analysis includes MCPR observation. - Abstract: Several reactivity control system design options are explored in order to satisfy shutdown margin (SDM) requirements in a high conversion BWRs operating in Th-{sup 233}U fuel cycle (Th-RBWR). The studied core has an axially heterogeneous fuel assembly structure with a single fissile zone “sandwiched” between two fertile blanket zones. The utilization of an originally suggested RBWR Y-shape control rod in Th-RBWR is shown to be insufficient for maintaining adequate SDM to balance the high negative reactivity feedbacks, while maintaining fuel breeding potential, core power rating, and minimum Critical Power Ratio (CPR). Implementation of alternative reactivity control materials, reducing axial leakage through non-uniform enrichment distribution, use of burnable poisons, reducing number of pins as well as increasing pin diameter are also shown to be incapable of meeting the SDM requirements. Instead, an alternative assembly design, based on Rod Cluster Control Assembly with absorber rods was investigated. This design matches the reference ABWR core power and has adequate shutdown margin. The new concept was modeled as a single three-dimensional fuel assembly having reflective radial boundaries, using the BGCore system, which consists of the MCNP code coupled with fuel depletion and thermo-hydraulic feedback modules.

  10. A novel GH secretagogue, A233, exhibits enhanced growth activity and innate immune system stimulation in teleosts fish.

    Science.gov (United States)

    Martinez, Rebeca; Ubieta, Kenia; Herrera, Fidel; Forellat, Alina; Morales, Reynold; de la Nuez, Ania; Rodriguez, Rolando; Reyes, Osvaldo; Oliva, Ayme; Estrada, Mario P

    2012-09-01

    In teleosts fish, secretion of GH is regulated by several hypothalamic factors that are influenced by the physiological state of the animal. There is an interaction between immune and endocrine systems through hormones and cytokines. GH in fish is involved in many physiological processes that are not overtly growth related, such as saltwater osmoregulation, antifreeze synthesis, and the regulation of sexual maturation and immune functions. This study was conducted to characterize a decapeptide compound A233 (GKFDLSPEHQ) designed by molecular modeling to evaluate its function as a GH secretagogue (GHS). In pituitary cell culture, the peptide A233 induces GH secretion and it is also able to increase superoxide production in tilapia head-kidney leukocyte cultures. This effect is blocked by preincubation with the GHS receptor antagonist [d-Lys(3)]-GHRP6. Immunoneutralization of GH by addition of anti-tilapia GH monoclonal antibody blocked the stimulatory effect of A233 on superoxide production. These experiments propose a GH-mediated mechanism for the action of A233. The in vivo biological action of the decapeptide was also demonstrated for growth stimulation in goldfish and tilapia larvae (P<0.001). Superoxide dismutase levels, antiprotease activity, and lectin titer were enhanced in tilapia larvae treated with this novel molecule. The decapeptide A233 designed by molecular modeling is able to function as a GHS in teleosts and enhance parameters of the innate immune system in the fish larvae.

  11. Analysis of homogeneous U233 and U235 critical assemblies with ENDF/B-IV data (AWBA development program)

    Energy Technology Data Exchange (ETDEWEB)

    Ullo, J.J.; Hardy, J. Jr.

    1977-10-01

    Thirty-two U233 and U235 homogeneous aqueous critical experiments were analyzed with ENDF/B-IV data. Calculated eigenvalues for both fuel types increased by nearly 2 percent over the range of hydrogen/uranium atomic ratio covered (from 2106 to 27.1). This is attributed mostly to an underprediction of fast leakage, with some contribution from the fission and capture resonance integrals of ENDF/B-IV U235. Eigenvalue sensitivities to several nuclear data changes were examined. Values of the thermal criticality parameter constraint K2 for U233 and U235 were derived from the Gwin-Magnuson critical experiments at the zero leakage limit.

  12. Fuel utilization improvement in PWRs using the denatured /sup 233/U-Th cycle

    Energy Technology Data Exchange (ETDEWEB)

    Jones, H.M.; Schwenk, G.A.; Toops, E.C.; Yotinen, V.O.

    1980-06-01

    A number of changes in PWR core design and/or operating strategy were evaluated to assess the fuel utilization improvement achievable by their implementation in a PWR using thorium-based fuel and operating in a recycle mode. The reference PWR for this study was identical to the B and W Standard Plant except that the fuel pellets were of denatured (/sup 233/U//sup 238/U-Th)O/sub 2/. An initial scoping study identified the three most promising improvement concepts as (1) a very tight lattice, (2) thorium blankets, and (3) ThO/sub 2/ rods placed in available guide tubes. A conceptual core design incorporating these changes was then developed, and the fuel utilization of this modified design was compared with that of the reference case.

  13. Yeast Interacting Proteins Database: YLR166C, YGL233W [Yeast Interacting Proteins Database

    Lifescience Database Archive (English)

    Full Text Available YLR166C SEC10 Essential 100kDa subunit of the exocyst complex (Sec3p, Sec5p, Sec6p,... Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which has the essential function of mediating polarized targeti...s prey (0) YGL233W SEC15 Essential 113kDa subunit of the exocyst complex (Sec3p, ...ait ORF YLR166C Bait gene name SEC10 Bait description Essential 100kDa subunit of the exocyst complex (Sec3p..., Sec5p, Sec6p, Sec8p, Sec10p, Sec15p, Exo70p, and Exo84p), which has the essential function of mediating po

  14. 233U mass yield measurements around and within the symmetry region with the ILL Lohengrin spectrometer

    Directory of Open Access Journals (Sweden)

    Chebboubi A.

    2016-01-01

    Full Text Available The study of fission yields has a major impact on the characterization and understanding of the fission process and is mandatory for reactor applications. The LPSC in collaboration with ILL and CEA has developed a measurement program on fission fragment distributions at the Lohengrin spectrometer of the ILL, with a special focus on the masses constituting the heavy peak. We will present in this paper our measurement of the very low fission yields in the symmetry mass region and the heavy mass wing of the distribution for 233U thermal neutron induced fission. The difficulty due to the strong contamination by other masses with much higher yields will be addressed in the form of a new analysis method featuring the required contaminant correction. The apparition of structures in the kinetic energy distributions and possible interpretations will be discussed, such as a possible evidence of fission modes.

  15. Shutdown Margin for High Conversion BWRs Operating in Th-233U Fuel Cycle

    CERN Document Server

    Shaposhnik, Yaniv; Elias, Ezra

    2013-01-01

    Several reactivity control system design options are explored in order to satisfy shutdown margin (SDM) requirements in a high conversion BWRs operating in Th-233U fuel cycle (Th-RBWR). The studied has an axially heterogeneous fuel assembly structure with a single fissile zone sandwiched between two fertile blanket zones. The utilization of an originally suggested RBWR Y-shape control rod in Th-RBWR is shown to be insufficient for maintaining adequate SDM to balance the high negative reactivity feedbacks, while maintaining fuel breeding potential, core power rating, and minimum Critical Power Ratio (CPR). Instead, an alternative assembly design, also relying on heterogeneous fuel zoning, is proposed for achieving fissile inventory ratio (FIR) above unity, adequate SDM and meeting minimum CPR limit at thermal core output matching the ABWR power. The new concept was modeled as a single 3-dimensional fuel assembly having reflective radial boundaries, using the BGCore system, which consists of the MCNP code coupl...

  16. 233U mass yield measurements around and within the symmetry region with the ILL Lohengrin spectrometer

    Science.gov (United States)

    Chebboubi, A.; Kessedjian, G.; Sage, C.; Bernard, D.; Blanc, A.; Faust, H.; Köster, U.; Litaize, O.; Mutti, P.; Serot, O.

    2016-03-01

    The study of fission yields has a major impact on the characterization and understanding of the fission process and is mandatory for reactor applications. The LPSC in collaboration with ILL and CEA has developed a measurement program on fission fragment distributions at the Lohengrin spectrometer of the ILL, with a special focus on the masses constituting the heavy peak. We will present in this paper our measurement of the very low fission yields in the symmetry mass region and the heavy mass wing of the distribution for 233U thermal neutron induced fission. The difficulty due to the strong contamination by other masses with much higher yields will be addressed in the form of a new analysis method featuring the required contaminant correction. The apparition of structures in the kinetic energy distributions and possible interpretations will be discussed, such as a possible evidence of fission modes.

  17. Laparoskopi ved formodet appendicitis acuta. Erfaringer med de 233 første laparoskopier på en universitetsafdeling

    DEFF Research Database (Denmark)

    Pedersen, A G; Petersen, O B; Wara, P

    1996-01-01

    In an initial stage of introducing laparoscopic appendicectomy, 233 patients with indication for surgical treatment were evaluated in an open prospective trial. Surgery was done by a total of 39 trainees on duty. The procedure was started as a diagnostic laparoscopy followed by laparoscopic appen...

  18. 45 CFR 233.34 - Computing the assistance payment in the initial one or two months (AFDC).

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 2 2010-10-01 2010-10-01 false Computing the assistance payment in the initial... § 233.34 Computing the assistance payment in the initial one or two months (AFDC). A State shall compute.... (d) A State may suspend, rather than terminate, assistance when: (1) The agency has knowledge of,...

  19. 29 CFR 2.33 - Responsibilities of DOL, DOL social service providers and State and local governments...

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 1 2010-07-01 2010-07-01 true Responsibilities of DOL, DOL social service providers and... Organizations; Protection of Religious Liberty of Department of Labor Social Service Providers and Beneficiaries § 2.33 Responsibilities of DOL, DOL social service providers and State and local...

  20. Characterization of the HBB: c.*233G > C Variant: No Evidence of a β-Thalassemic Phenotype.

    Science.gov (United States)

    Smith, Debra L; Mitui, Midori; Park, Jason Y; Luu, Hung S; Timmons, Charles F

    2016-01-01

    β-Thalassemia (β-thal) results from homozygous or compound heterozygous inheritance of β-globin alleles that yield decreased or absent synthesis of the β chain. Disease is frequently severe, requiring lifelong transfusion therapy. Heterozygosity for a β-thal allele results in an asymptomatic carrier state with mild but characteristic hematological findings. More than 200 β-globin alleles have been demonstrated to produce β-thal. For populations with a high prevalence of β-thal, screening for carrier status, genetic counseling and prenatal diagnosis are important components of efforts to both reduce disease incidence and provide early diagnosis and treatment. It is therefore important to define and characterize potential β-thal alleles. We sought to further characterize the previously reported β-thal allele, HBB: c.*233G > C. This variant is provisionally included in the HbVar database based on a study of Palestinians in the Gaza Strip with β-thal disease or carrier status (known or suspected) where 4.2% of subjects were found to have HBB: c.*233G > C. In our patient population, we detected the HBB: c.*233G > C variant in 17.3% of individuals (17 heterozygotes, one homozygote) undergoing β hemoglobin (Hb) gene sequencing at our laboratory over a 25-month period. Hematological parameters were analyzed to determine if these individuals demonstrated findings consistent with inheritance of a β-thal allele. Individuals with the HBB: c.*233G > C variant did not demonstrate any abnormalities in hematological parameters characteristic of β-thal carrier state (17 heterozygotes) or clinical evidence of disease (homozygote). Our data demonstrate no evidence for pathogenicity of the HBB: c.*233G > C variant but rather demonstrate that this variant is a common benign polymorphism.

  1. Nylon and teflon scribe effect on NBR to Chemlok 233 and NBR to NBR bond interfaces

    Science.gov (United States)

    Jensen, S. K.

    1990-01-01

    A study was requested by Manufacturing Engineering to determine what effects marking with nylon (6/6) and Teflon scribes may have on subsequent bonding. Witness panel bond specimens were fabricated by the development lab to test both acrylonitrile butadiene rubber (NBR) to Chemlok and NBR to NBR after controlled exposure. The nylon rod used as a scribe tool demonstrates virtually no bond deterioration when used to scribe lines on either the Chemlok to NBR surfaces or the NBR to NBR interface. Lab test results indicate that the nylon rod-exposed samples produce tensile and peel values very similar to the control samples and the Teflon exposed samples produce tensile and peel values much lower than the control samples. Visual observation of the failure surfaces of the tested samples shows that Teflon scribing produces an obvious contamination to the surface and the nylon produces no effect. Photographs of test samples are provided. It is concluded that Teflon stock used as a scribe tool on a Chemlok 233 to NBR surface or an NBR to NBR surface has a detrimental effect on the bond integrity on either of these bond interfaces. Therefore, it is recommended that the nylon rod continue to be used where a scribe line is required in the redesigned solid rocket motor segment insulation layup operations. The use of Teflon scribes should not be considered.

  2. Reinvestigation of the α-decays of 249Cf and 233U

    Science.gov (United States)

    Aka, A. Koua; Ardisson, G.; Barci, V.; El Samad, O.; Trubert, D.; Ahmad, I.

    1996-02-01

    The alpha-particle decay of 249Cf has been reinvestigated using coaxial and planar HPGe detectors. Energies and emission probabilities of thirty γ-rays were measured, of which nine are reported for the first time. All transitions have been included in the 245Cm level scheme suggested in this work: 14 excited states are found to be fed and assigned to 4 rotational bands. The Iπ = {11}/{2}- member of the {7}/{2} [743] Nilsson state was found to be fed at 772.3 keV. Alpha-particle transition probabilities were calculated from the revised 249Cf decay scheme. The alpha-particle decay of 233U has been reinvestigated using a UO 22+ source purified continuously from daughters by ion exchange chromatography. Energies and intensities of 178 γ-rays were determined, of which 49 are reported for the first time. γ-γ coincidence studies were also performed to help in the construction of the 229Th level scheme.

  3. Measurements of neutron induced capture and fission reactions on $^{233}$ U (EAR1)

    CERN Multimedia

    The $^{233}$U plays the essential role of ssile nucleus in the Th-U fuel cycle, which has been proposed as a safer and cleaner alternative to the U-Pu fuel cycle. Considered the scarce data available to assess the capture cross section, a measurement was proposed and successfully performed at the n_TOF facility at CERN using the 4$\\pi$ Total Absorp- tion Calorimeter (TAC). The measurement was extremely dicult due to the need to accurately distinguish between capture and fission $\\gamma$-rays without any additional discrim-ination tool and the measured capture cross section showed a signicant disagreement in magnitude when compared with the ENDF/B-VII.1 library despite the agreement in shape. We propose a new measurement that is aimed at providing a higher level of dis-crimination between competing nuclear reactions, to extend the neutron energy range and to obtain more precise and accurate data, thus fullling the demands of the "NEA High Priority Nuclear Data Request List". The setup is envisaged as a combin...

  4. Rapid oxygenation of Earth's atmosphere 2.33 billion years ago.

    Science.gov (United States)

    Luo, Genming; Ono, Shuhei; Beukes, Nicolas J; Wang, David T; Xie, Shucheng; Summons, Roger E

    2016-05-01

    Molecular oxygen (O2) is, and has been, a primary driver of biological evolution and shapes the contemporary landscape of Earth's biogeochemical cycles. Although "whiffs" of oxygen have been documented in the Archean atmosphere, substantial O2 did not accumulate irreversibly until the Early Paleoproterozoic, during what has been termed the Great Oxygenation Event (GOE). The timing of the GOE and the rate at which this oxygenation took place have been poorly constrained until now. We report the transition (that is, from being mass-independent to becoming mass-dependent) in multiple sulfur isotope signals of diagenetic pyrite in a continuous sedimentary sequence in three coeval drill cores in the Transvaal Supergroup, South Africa. These data precisely constrain the GOE to 2.33 billion years ago. The new data suggest that the oxygenation occurred rapidly-within 1 to 10 million years-and was followed by a slower rise in the ocean sulfate inventory. Our data indicate that a climate perturbation predated the GOE, whereas the relationships among GOE, "Snowball Earth" glaciation, and biogeochemical cycling will require further stratigraphic correlation supported with precise chronologies and paleolatitude reconstructions.

  5. Analysis of evolution and virological characteristics of rtI233V mutations in the hepatitis B virus reverse transcriptase domain

    Directory of Open Access Journals (Sweden)

    Xiao-ling YE

    2015-04-01

    Full Text Available Objective To analyze the evolution of rtI233V mutation in the reverse transcriptase domain of hepatitis B virus (HBV and its association with adefovir dipivoxil (ADV resistance. Methods The rate of detection of rtI233V mutation in 9830 patients with chronic HBV infection was analyzed. HBV reverse transcriptase genes isolated from serial serum samples of two patients were amplified by nested PCR, and clonal sequencing (>20 clones/sample was performed to analyze the evolution of rtI233V mutations. The replica of pTriEx-HBV1.1 vectors harboring wild-type and mutant strains (rtI233V, rtN236T, rtI233V+rtN236T were respectively constructed and transiently transfected into HepG2 cells. Media containing serial concentrations of lamivudine (LAM, ADV, entecavir (ETV, or tenofovir (TDF were used to treat the cells. Then HBV DNA in the supernatants was quantitatively determined by real-time PCR in order to analyze HBV mutants' replication competence and phenotypic characteristics under the drug pressures. Results The detection rate of rtI233V mutation in 9830 nucleos(tide analogues-treated patients was 0.28% (28/9830, including 0.19% (19 patients with rtI233V individual mutation and 0.09% (9 patients with rtI233V mutation combining with rtN236T or other mutations. All of the patients had rtI233V had ADV exposure history: 16 (57.1% of them received ADV monotherapy for over six months, and 12(42.9% of them received ADV combined sequential therapy for over 12 months. Replication competence and phenotypic resistance analysis showed rtI233V and wild-type strains had similar viral replication competence, while rtN236T exhibited significantly lower replication competence compared with wild-type strains. rtI233V strains remained sensitive to LAM, ADV, ETV, and TDF and showed little influence on drug resistance when combined with rtN236T, but it showed ability to restore the defected replication capacity of rtN236T strains. Conclusions  The rtI233V mutation

  6. Simultaneous {sup 233}U and{sup 235}U characterization through the assay of delayed neutron temporal behavior

    Energy Technology Data Exchange (ETDEWEB)

    Sellers, M. T.; Corcoran, E. C.; Kelly, D. G. [Dept. of Chemistry and Chemical Engineering, Royal Military College of Canada, Stn. Forces, P.O. Box 17000, Kingston, ON K7K 7B4 (Canada)

    2012-07-01

    Aqueous solutions containing dissolved uranium-233 and uranium-235 were irradiated for 60's in the SLOWPOKE-2 reactor at the Royal Military College of Canada. The temporal behavior of the delayed neutrons produced was recorded by the Facility's Delayed Neutron Counting (DNC) system. The percentage of uranium-233 as a function of total fissile mass present in each sample ranged from 0 to 100% and was predicted by the DNC system with average absolute errors of {+-} 4%. Future work will upgrade the system electronics and software to reduce both uncertainties in timings and electrical noise. Mixture analysis will also be expanded to include plutonium-239 and fissile materials contained in non-aqueous matrices. (authors)

  7. Material control and accountability aspects of safeguards for the USA /sup 233/U/TH fuel recycle plant

    Energy Technology Data Exchange (ETDEWEB)

    Carpenter, Jr., J. A.; McNeany, S. R.; Angelini, P.; Holder, N. D.; Abraham, L.

    1979-01-01

    Two fuel cycles are considered. The highly enriched uranium (HEU) cycle uses uranium enriched 93% in /sup 235/U as the initial fuel. The medium enriched uranium (MEU) cycle uses uranium with a /sup 235/U enrichment less than 20% as its initial fuel. In both, /sup 233/U is bred from thorium. The HEU /sup 235/U and the /sup 233/U of both cycles are recycled. The MEU /sup 235/U is retired to waste after one reactor cycle. Typical heavy metal contents of spent fuel elements from both cycles are presented. The main functional areas of the recycle plant are Shipping, Receiving, and Storage; Reprocessing; Refabrication; and Waste Treatment. A real-time materials accountability system will manage the data provided by measurements from all four areas. Simulations of material flow used in the HTGR development program are forerunners of such a system. The material control and accountability aspects of Reprocessing and Refabrication only are discussed. The proposed accountability areas are identified and the measurement techniques appropriate to various streams crossing the boundaries of the areas are identified. Special emphasis is placed on novel nondestructive methods developed for assaying solid materials containing /sup 233/U-Th. The material form, total uranium and plutonium, and activity of selected reprocessing streams are listed. The isotopics and activity of the uranium input into Refabrication are also presented.

  8. Molecular Gas and Dust in the Massive Star Forming Region S 233 IR

    Institute of Scientific and Technical Information of China (English)

    Rui-Qing Mao; Qin Zeng

    2004-01-01

    The massive star forming region S 233 IR is observed in the molecular lines CO J = 2-1, 3-2, NH3 (1,1), (2,2) and the 870μm dust continuum. Four submillimeter continuum sources, labelled SMM 1-4, are revealed in the 870μm dust emission. The main core, SMM1, is found to be associated with a deeply embedded near infrared cluster in the northeast; while the weaker source SMM2 coincides with a more evolved cluster in the southwest. The best fit spectral energy distribution of SMM1 gives an emissivity ofβ = 1.6, and temperatures of 32 K and 92 K for the cold- and hot-dust components. An SMM1 core mass of 246 M⊙ and a total mass of 445 M⊙ are estimated from the 870 μm dust continuum emission.SMM1 is found to have a temperature gradient decreasing from inside out, indicative of the presence of interior heating sources. The total outflow gas mass as traced by the CO J - 3-2 emission is estimated to be 35 M⊙. Low velocity outflows are also found in the NH3 (1,1) emission. The non-thermal dominant NH3 line width as well as the substantial core mass suggest that the SMM1 core is a "turbulent,massive dense core", in the process of forming a group or a cluster of stars. The much higher star formation efficiency found in the southwest cluster supports the suggestion that this cluster is more evolved than the northeast one. Large near infrared photometric variations found in the source PCS-IR93, a previously found highly polarized nebulosity, indicate an underlying star showing the FU Orionis type of behavior.

  9. 8 CFR 233.5 - Aliens entering Guam pursuant to section 14 of Public Law 99-396, “Omnibus Territories Act.”

    Science.gov (United States)

    2010-01-01

    ... 8 Aliens and Nationality 1 2010-01-01 2010-01-01 false Aliens entering Guam pursuant to section 14 of Public Law 99-396, âOmnibus Territories Act.â 233.5 Section 233.5 Aliens and Nationality... entering Guam pursuant to section 14 of Public Law 99-396, “Omnibus Territories Act.” A transportation...

  10. Autoimmune diseases induced by TNF-targeted therapies: analysis of 233 cases.

    Science.gov (United States)

    Ramos-Casals, Manuel; Brito-Zerón, Pilar; Muñoz, Sandra; Soria, Natalia; Galiana, Diana; Bertolaccini, Laura; Cuadrado, Maria-Jose; Khamashta, Munther A

    2007-07-01

    Tumor necrosis factor (TNF)-targeted therapies are increasingly used for a rapidly expanding number of rheumatic and autoimmune diseases. With this use and longer follow-up periods of treatment, there are a growing number of reports of the development of autoimmune processes related to anti-TNF agents. We have analyzed the clinical characteristics, outcomes, and patterns of association with the different anti-TNF agents used in all reports of autoimmune diseases developing after TNF-targeted therapy found through a MEDLINE search of articles published between January 1990 and December 2006. We identified 233 cases of autoimmune diseases (vasculitis in 113, lupus in 92, interstitial lung diseases in 24, and other diseases in 4) secondary to TNF-targeted therapies in 226 patients. The anti-TNF agents were administered for rheumatoid arthritis (RA) in 187 (83%) patients, Crohn disease in 17, ankylosing spondylitis in 7, psoriatic arthritis in 6, juvenile RA in 5, and other diseases in 3. The anti-TNF agents administered were infliximab in 105 patients, etanercept in 96, adalimumab in 21, and other anti-TNF agents in 3. We found 92 reported cases of lupus following anti-TNF therapy (infliximab in 40 cases, etanercept in 37, and adalimumab in 15). Nearly half the cases fulfilled 4 or more classification criteria for systemic lupus erythematosus (SLE), which fell to one-third after discarding preexisting lupus-like features. One hundred thirteen patients developed vasculitis after receiving anti-TNF agents (etanercept in 59 cases, infliximab in 47, adalimumab in 5, and other agents in 2). Leukocytoclastic vasculitis was the most frequent type of vasculitis, and purpura was the most frequent cutaneous lesion. A significant finding was that one-quarter of patients with vasculitis related to anti-TNF agents had extracutaneous involvement. Twenty-four cases of interstitial lung disease associated with the use of anti-TNF agents were reported. In these patients, 2 specific

  11. Fission, total and neutron capture cross section measurements at ORELA for {sup 233}U, {sup 27}Al and natural chlorine

    Energy Technology Data Exchange (ETDEWEB)

    Guber, K.H.; Spencer, R.R.; Leal, L.C.; Larson, D.C.; Santos, G. Dos; Harvey, J.A.; Hill, N.W.

    1998-08-01

    The authors have made use of the Oak Ridge Electron Linear Accelerator (ORELA) to measure the fission cross section of {sup 233}U in the neutron energy range of 0.36 eV to {approximately} 700 keV. This paper reports integral data and average cross sections. In addition they measured the total neutron cross section of {sup 27}Al and natural chlorine, as well as the capture cross section of Al over an energy range from 100 eV up to about 400 keV.

  12. Calculation of Prompt Fission Neutron from 233U(n, f) Reaction by Multi-Modal Los Alamos Model%Calculation of Prompt Fission Neutron from 233U(n, f) Reaction by Multi-Modal Los Alamos Model

    Institute of Scientific and Technical Information of China (English)

    郑娜; 钟春来; 樊铁栓

    2012-01-01

    An attempt is made to improve the evaluation of the prompt fission neutron emis- sion from 233U(n, f) reaction for incident neutron energies below 6 MeV. The multi-modal fission approach is applied to the improved version of Los Alamos model and the point by point model. The prompt fission neutron spectra and the prompt fission neutron as a function of fragment mass (usually named "sawtooth" data) v(A) are calculated independently for the three most dominant fission modes (standard I, standard II and superlong), and the total spectra and v(A) are syn- thesized. The multi-modal parameters are determined on the basis of experimental data of fission fragment mass distributions. The present calculation results can describe the experimental data very well, and the proposed treatment is thus a useful tool for prompt fission neutron emission prediction.

  13. Investigation of the fission yields of the fast neutron-induced fission of {sup 233}U; Mesure de la distribution en masse et en charge des produits de la fission rapide de l'{sup 233}U

    Energy Technology Data Exchange (ETDEWEB)

    Galy, J

    1999-09-01

    As a stars, a survey of the different methods of investigations of the fission product yields and the experimental data status have been studied, showing advantages and shortcomings for the different approaches. An overview of the existing models for the fission product distributions has been as well intended. The main part of this thesis was the measurement of the independent yields of the fast neutron-induced fission of{sup 233}U, never investigated before this work. The experiment has been carried out using the mass separator OSIRIS (Isotope Separator On-Line). Its integrated ion-source and its specific properties required an analysis of the delay-parameter and ionisation efficiency for each chemical species. On the other hand, this technique allows measurement of independent yields and cumulative yields for elements from Cu to Ba, covering most of the fission yield distribution. Thus, we measured about 180 independent yields from Zn (Z=30) to Sr (Z=38) in the mass range A=74-99 and from Pd (Z=46) to Ba (Z=56) in the mass range A=113-147, including many isomeric states. An additional experiment using direct {gamma}-spectroscopy of aggregates of fission products was used to determine more than 50 cumulative yields of element with half-life from 15 min to a several days. All experimental data have been compared to estimates from a semi-empirical model, to calculated values and to evaluated values from the European library JEF 2.2. Furthermore, a study of both thermal and fast neutron-induced fission of {sup 233}U measured at Studsvik, the comparison of the OSIRIS and LOHENGRIN facilities and the trends in new data for the Reactors Physics have been discussed. (author)

  14. Contribution to the study of {sup 233}U production with MOX-ThPu fuel in PWR reactor. Transition scenarios towards Th/{sup 233}U iso-generating concepts in thermal spectrum. Development of the MURE fuel evolution code; Contribution a l'etude de la production d'{sup 233}U en combustible MOX-ThPu en reacteur a eau sous pression. Scenarios de transition vers des concepts isogenerateurs Th/{sup 233}U en spectre thermique. Developpement du code MURE d'evolution du combustible

    Energy Technology Data Exchange (ETDEWEB)

    Michel-Sendis, F

    2006-12-15

    If nuclear power is to provide a significant fraction of the growing world energy demand, only through the breeding concept can the development of sustainable nuclear energy become a reality. The study of such a transition, from present-day nuclear technologies to future breeding concepts is therefore pertinent. Among these future concepts, those using the thorium cycle Th/U-233 in a thermal neutron spectrum are of particular interest; molten-salt type thermal reactors would allow for breeding while requiring comparatively low initial inventories of U-233. The upstream production of U-233 can be obtained through the use of thorium-plutonium mixed oxide fuel in present-day light water reactors. This work presents, firstly, the development of the MURE evolution code system, a C++ object-oriented code that allows the study, through Monte Carlo (M.C.) simulation, of nuclear reactors and the evolution of their fuel under neutron irradiation. The M.C. methods are well-suited for the study of any reactor, whether it'd be an existing reactor using a new kind of fuel or a future concept altogether, the simulation is only dependent on nuclear data. Exact and complex geometries can be simulated and continuous energy particle transport is performed. MURE is an interface with MCNP, the well-known and validated transport code, that allows, among other functionalities, to simulate constant power and constant reactivity evolutions. Secondly, the study of MOX ThPu fuel in a conventional light water reactor (REP) is presented; it explores different plutonium concentrations and isotopic qualities in order to evaluate their safety characteristics. Simulation of their evolution allows us to quantify the production of U-233 at the end of burnup. Last, different french scenarios validating a possible transition towards a park of thermal Th/U-233 breeders, are presented. In these scenarios, U-233 is produced in ThPu moxed light water reactors. (author)

  15. Cost-based optimizations of power density and target-blanket modularity for {sup 232}Th/{sup 233}U-based ADEP

    Energy Technology Data Exchange (ETDEWEB)

    Krakowski, R.A.

    1995-07-01

    A cost-based parametric systems model is developed for an Accelerator-Driven Energy Production (ADEP) system based on a {sup 232}Th/{sup 233}U fuel cycle and a molten-salt (LiF/BeF{sub 2}/ThF{sub 3}) fluid-fuel primary system. Simplified neutron-balance, accelerator, reactor-core, chemical-processing, and balance-of-plant models are combined parametrically with a simplified costing model. The main focus of this model is to examine trade offs related to fission power density, reactor-core modularity, {sup 233}U breeding rate, and fission product transmutation capacity.

  16. Critical Experiments With Aqueous Solutions of {sup 233}UO{sub 2}(NO{sub 3}){sub 2}

    Energy Technology Data Exchange (ETDEWEB)

    Thomas, J.T.

    2001-05-17

    This report provides the critical experimenter's interpretations and descriptions of informal critical experiment logbook notes and associated information (e.g., experimental equipment designs/sketches, chemical and isotopic analyses, etc.) for the purpose of formally documenting the results of critical experiments performed in the late 1960s at the Oak Ridge Critical Experiments Facility. The experiments were conducted with aqueous solutions of 97.6 wt % {sup 233}U uranyl nitrate having uranium densities varying between about 346 g U/l and 45 g U/l. Criticality was achieved with single simple units (e.g., cylinders and spheres) and with spaced subcritical simple cylindrical units arranged in unreflected, water-reflected, and polyethylene reflected critical arrays.

  17. Critical Experiments With Aqueous Solutions of {sup 233}UO{sub 2}(NO{sub ;3}){sub 2}

    Energy Technology Data Exchange (ETDEWEB)

    Thomas, J T

    2001-05-17

    This report provides the critical experimenter's interpretations and descriptions of informal critical experiment logbook notes and associated information (e.g., experimental equipment designs/sketches, chemical and isotopic analyses, etc.) for the purpose of formally documenting the results of critical experiments performed in the late 1960s at the Oak Ridge Critical Experiments Facility. The experiments were conducted with aqueous solutions of 97.6 wt % {sup 233}U uranyl nitrate having uranium densities varying between about 346 g U/l and 45 g U/l. Criticality was achieved with single simple units (e.g., cylinders and spheres) and with spaced subcritical simple cylindrical units arranged in unreflected, water-reflected, and polyethylene reflected critical arrays.

  18. Partial trisomy of 11q23.3-q25 inherited from a maternal low-level mosaic unbalanced translocation.

    Science.gov (United States)

    Choi, Jungyoon; Lee, Hojung; Lee, Cha Gon

    2015-08-01

    Partial trisomy of 11q is characterized by pre/postnatal growth retardation, microcephaly, dysmorphic craniofacial features, cognitive disability, abnormal muscle tone, inguinal hernia, and possible congenital heart defects. Here, we describe a 17-year-old male with a 17.77 Mb-sized [arr 11q23.3-q25 (116,667,559 -134,434,130) ×3] partial trisomy resulting from the unbalanced translocation between chromosomes 11 and 22. The terminal translocation was detected using oligonucleotide array comparative genomic hybridization (CGH) with fluorescence in situ hybridization (FISH) confirmation. The partial trisomy was inherited from his mother who had the low-level (22.7%) mosaic unbalanced translocation and a normal phenotype. The patient showed most of the common features of partial trisomy 11q syndrome, with additional findings, including mesenteric fibromatosis.

  19. Nuclear structure of229Th from γ-ray spectroscopy study of233U α-particle decay

    Science.gov (United States)

    Barci, V.; Ardisson, G.; Barci-Funel, G.; Weiss, B.; El Samad, O.; Sheline, R. K.

    2003-09-01

    The level structure of 229Th, produced by α-particle decay of 233U, was studied with γ-ray spectroscopy measurements. The sources were continuously separated from daughters with ion-exchange chromatographic methods. Singles and coincidence measurements were performed with high-purity germanium detectors. Energies and intensities of about 220 γ rays were accurately determined. About 70 transitions were reported for the first time, especially in the 300 700 keV energy range. A 229Th level scheme was proposed, accounting for 220 transitions among 47 excited states. Alpha-particle feeding intensities and hindrance factors were deduced and compared to direct α-particle measurements; the agreement was found to be relatively good. The level structure was interpreted in the framework of rotational and/or reflection asymmetric models. The agreement with experimental data was shown to be satisfactory.

  20. Performance Study of RS (255, 239 and RS (255.233 Used Respectively in DVB-T and NASA

    Directory of Open Access Journals (Sweden)

    Hajri Abdesslam

    2016-11-01

    Full Text Available The error correction codes have a wide range of applications in digital communication (satellite, wireless and digital data storage. This paper presents a comparative study of performance between RS (255, 239 and RS (255.233 used respectively in the Digital Video Broadcasting – Terrestrial (DVB-T and National Aeronautics and Space Administration (NASA. The performances were evaluated by applying modulation scheme in additive white Gaussian noise (AWGN channel. Performances of modulation with RS codes are evaluated in bit error rate (BER and signal energy -to- noise power density ratio (Eb / No. The analysis is studied with the help of MATLAB simulator to analyze a communication link with AWGN Channel, and different modulations.

  1. Multiplicity and energy of neutrons from {sup 233}U(n{sub th},f) fission fragments

    Energy Technology Data Exchange (ETDEWEB)

    Nishio, Katsuhisa; Kimura, Itsuro; Nakagome, Yoshihiro [Kyoto Univ. (Japan)

    1998-03-01

    The correlation between fission fragments and prompt neutrons from the reaction {sup 233}U(n{sub th},f) was measured with improved accuracy. The results determined the neutron multiplicity and emission energy as a function of fragment mass and total kinetic energy. The average energy as a function of fragment mass followed a nearly symmetric distribution centered about the equal mass-split and formed a remarkable contrast with the saw-tooth distribution of the average neutron multiplicity. The neutron multiplicity from the specified fragment decreases linearly with total kinetic energy, and the slope of multiplicity with kinetic energy had the minimum value at about 130 u. The level density parameter versus mass determined from the neutron data showed a saw-tooth structure with the pronounced minimum at about 128 and generally followed the formula by Gilbert and Cameron, suggesting that the neutron emission process was very much affected by the shell-effect of the fission fragment. (author)

  2. Within the framework of the new fuel cycle {sup 232}Th/{sup 233}U, determination of the {sup 233}Pa(n.{gamma}) radiative capture cross section for neutron energies ranging between 0 and 1 MeV; Dans le cadre du nouveau cycle de combustible {sup 232}Th/{sup 233}U, determination de la section efficace de capture radiative {sup 233}Pa(n,{gamma}) pour des energies de neutrons comprises entre 0 et 1 MeV

    Energy Technology Data Exchange (ETDEWEB)

    Boyer, S

    2004-10-15

    The Thorium cycle Th{sup 232}/U{sup 233} may face brilliant perspectives through advanced concepts like molten salt reactors or accelerator driven systems but it lacks accurate nuclear data concerning some nuclei. Pa{sup 233} is one of these nuclei, its high activity makes the direct measurement of its radiative neutron capture cross-section almost impossible. This difficulty has been evaded by considering the transfer reaction Th{sup 232}(He{sup 3},p)Pa{sup 234}* in which the Pa{sup 234} nucleus is produced in various excited states according to the amount of energy available in the reaction. The first chapter deals with the thorium cycle and its assets to contribute to the quenching of the fast growing world energy demand. The second chapter gives a detailed description of the experimental setting. A scintillation detector based on deuterated benzene (C{sub 6}D{sub 6}) has been used to counter gamma ray cascades. The third chapter is dedicated to data analysis. In the last chapter we compare our experimental results with ENDF and JENDL data and with computed values from 2 statistical models in the 0-1 MeV neutron energy range. Our results disagree clearly with evaluated data: our values are always above ENDF and JENDL data but tend to near computed values. We have also perform the measurement of the radiative neutron cross-section of Pa{sup 231} for a 110 keV neutron: {sigma}(n,{gamma}) 2.00 {+-} 0.14 barn. (A.C.)

  3. Comparative proteomic analysis of growth hormone secretagogue A233 treatment of murine macrophage cells J774A.2 indicates it has a role in antiviral innate response

    Directory of Open Access Journals (Sweden)

    Rebeca Martínez

    2016-03-01

    General Significance: The increase of IFN-γ level and the differential modulation of antiviral proteins by the A233 peptide suggest that the molecule could activate an innate immune response with a possible further impact in the treatment of acute and chronic diseases.

  4. Utilization of non-weapons-grade plutonium and highly enriched uranium with breeding of the 233U isotope in the VVER reactors using thorium and heavy water

    Science.gov (United States)

    Marshalkin, V. E.; Povyshev, V. M.

    2015-12-01

    A method for joint utilization of non-weapons-grade plutonium and highly enriched uranium in the thorium-uranium—plutonium oxide fuel of a water-moderated reactor with a varying water composition (D2O, H2O) is proposed. The method is characterized by efficient breeding of the 233U isotope and safe reactor operation and is comparatively simple to implement.

  5. Measurement of the fission cross section induced by fast neutrons of the {sup 232}Th/{sup 233}U nuclei within the innovating fuel cycles framework; Mesure de la section efficace de fission induite par neutrons rapides des noyaux {sup 232}Th/{sup 233}U dans le cadre des cycles de combustible innovants

    Energy Technology Data Exchange (ETDEWEB)

    Grosjean, C

    2005-03-15

    The thorium-U{sup 233} fuel cycle might provided safer and cleaner nuclear energy than the present Uranium/Pu fuelled reactors. Over the last 10 years, a vast campaign of measurements has been initiated to bring the precision of neutron data for the key nuclei (Th{sup 232}, Pa{sup 233} and U{sup 233}) at the level of those for the U-Pu cycle. This is the framework of these measurements, the energy dependent neutron induced fission cross section of Th{sup 232} and U{sup 233} has been measured from 1 to 7 MeV with a target accuracy lesser than 5 per cent. These measurements imply the accurate determination of the fission rate, the number of the target nuclei as well as the incident neutron flux impinging on the target, the latter has been obtained using the elastic scattering (n,p). The cross section of which is very well known in a large neutron energy domain ({approx} 0,5 % from 1 eV to 50 MeV) compared to the U{sup 235}(n,f) reaction. This technique has been applied for the first time to the Th{sup 232}(n,f) and U{sup 233}(n,f) cases. A Hauser-Feshbach statistical model has been developed. It consists of describing the different decay channels of the compound nucleus U{sup 234} from 0,01 to 10 MeV neutron energy. The parameters of this model were adjusted in order to reproduce the measured fission cross section of U{sup 233}. From these parameters, the cross sections from the following reactions could be extracted: inelastic scattering U{sup 233}(n,n'), radiative capture U{sup 233}(n,{gamma}) and U{sup 233}(n,2n). These cross sections are still difficult to measure by direct neutron reactions. The calculated values have allowed us to fill the lack of experimental data for the major fissile nucleus of the thorium cycle. (author)

  6. A 233 km Circumference Tunnel for $e^+$$e^-$, $p$$\\bar {p}$, and $\\mu^{+} \\mu^{-}$ Colliders

    CERN Document Server

    Lyons, George T

    2011-01-01

    In 2001 a cost analysis survey was conducted to build a 233km circumference tunnel in northern Illinois in which to build a Very Large Hadron Collider. Ten years later I have reexamined the proposal, taking into consideration the technological advancements in all the aspects of construction cost analysis. I outline the implementations of $e^+ e^-$, $p{\\bar{p}}$, and $\\mu^+\\mu^-$ collider rings in the tunnel using 21${\\rm{st}}$ century technology. The $e^+e^-$ collider employs a Crab Waist Crossing, ultra low emittance damped bunches, 12 GV of superconducting RF, and 0.026 Tesla low coercivity grain oriented silicon steel/concrete dipoles. The $p{\\bar{p}}$ collider uses the high intensity Fermilab $\\bar{p}$ source, exploits high cross sections for $p\\bar{p}$ production of high mass states, and uses 2 Tesla ultra low carbon steel/YBCO superconductor magnets run with liquid neon. The $\\mu^+\\mu^-$ ring ramps the $p{\\bar{p}}$ magnets at 8 Hz every 0.4 seconds, uses 250 GV of SRF, and mitigates neutrino radiation w...

  7. Ammonia excitation imaging of shocked gas towards the W28 gamma-ray source HESS J1801-233

    CERN Document Server

    Maxted, Nigel I; Rowell, Gavin P; Nicholas, Brent P; Burton, Michael G; Walsh, Andrew; Fukui, Yasuo; Kawamura, Akiko

    2016-01-01

    We present 12 mm Mopra observations of the dense (>10^3 cm^-3 ) molecular gas towards the north-east (NE) of the W28 supernova remnant (SNR). This cloud is spatially well-matched to the TeV gamma-ray source HESS J1801-233 and is known to be a SNR-molecular cloud interaction region. Shock-disruption is evident from broad NH3 (1,1) spectral line-widths in regions towards the W28 SNR, while strong detections of spatially-extended NH3(3,3), NH3(4,4) and NH3(6,6) inversion emission towards the cloud strengthen the case for the existence of high temperatures within the cloud. Velocity dispersion measurements and NH3(n,n)/(1,1) ratio maps, where n=2, 3, 4 and 6, indicate that the source of disruption is from the side of the cloud nearest to the W28 SNR, suggesting that it is the source of cloud-disruption. Towards part of the cloud, the ratio of ortho to para-NH3 is observed to exceed 2, suggesting gas-phase NH3 enrichment due to NH3 liberation from dust grain mantles. The measured NH3 abundance with respect to H2 i...

  8. Reforma tributária: os efeitos macroeconômicos e setoriais da PEC 233/2008

    Directory of Open Access Journals (Sweden)

    Nelson Leitão Paes

    2011-06-01

    Full Text Available A despeito de um histórico desalentador, o atual governo enviou nova proposta de reforma tributária ao Congresso Nacional, a PEC 233/2008. A proposta unifica alguns tributos federais do consumo no IVA-F, simplifica e diminui drasticamente a legislação do ICMS, alivia a tributação sobre a folha de pagamento e bens essenciais e desonera investimentos. Para a análise do impacto destas mudanças, foi construído um modelo de equilíbrio geral, que contempla 55 firmas no lado produtivo da economia. Os resultados sugerem que do lado agregado haverá modesta expansão do produto, consumo, emprego e investimento, com pequena perda de arrecadação e aumento de bem-estar. Houve substanciais alterações no produto setorial, com uma tendência de aumento dos setores industrial e agropecuário em detrimento dos serviços.

  9. Genotype and phenotype of a new 2-bp deletion of hMSH2 at codon 233.

    Science.gov (United States)

    Müller, A; Beyser, K; Arps, H; Bolander, S; Becker, H; Rüschhoff, J

    2001-08-01

    Germline mutations within mismatch repair genes, such as hMSH2, hMLH1, and hMSH6, have been shown to be the hallmark of the hereditary nonpolyposis colorectal cancer (HNPCC) syndrome. The spectrum of tumors associated with mismatch repair gene defects and the possible relationship between genotype and phenotype are still unclear. Therefore, the spectrum of tumors and the possible genotype-phenotype relationship are still under discussion. Here, we report on a family with a new germline mutation in the hMSH2 gene with a 2-bp deletion at codons 232 and 233 leading to a frame shift and a stop at codon 254. Accordingly, immunohistochemistry revealed loss of hMSH2 expression in colorectal carcinomas of three affected family members. In this one family, there was a high penetrance. Interestingly, mutational screening of the family revealed a high penetrance of the mutation affecting four of five tested people at risk, with a high mortality rate and a trend toward lower age of onset in subsequent generations. Finally, a metachronous breast cancer in one patient turned out to be a tumor unrelated to microsatellite instability phenocopy, i.e., a sporadic tumor unrelated to HNPCC that expressed the hMSH2 gene and did not show any microsatellite instability.

  10. Mutation S233L in the 1B domain of keratin 1 causes epidermolytic palmoplantar keratoderma with "tonotubular" keratin.

    Science.gov (United States)

    Terron-Kwiatkowski, Ana; van Steensel, Maurice A M; van Geel, Michel; Lane, E Birgitte; McLean, W H Irwin; Steijlen, Peter M

    2006-03-01

    Epidermolytic palmoplantar keratoderma (EPPK) is an autosomal dominant genodermatosis characterized by epidermolytic hyperkeratosis restricted to the palm and sole epidermis. The disorder is normally associated with dominant-negative mutations in the keratin 9 (K9) gene; however, a small number of cases have been reported where causative mutations were identified in the K1 gene. Here, we present two unrelated Dutch EPPK families with striking ultrastructural findings: tubular keratin structures in the cytoplasm of suprabasal cells. Similar structures were reported previously in a German EPPK family and were termed "tonotubular" keratin. After excluding the involvement of the K9 gene by complete sequencing, we identified a novel mutation, S233L, at the beginning of the 1B domain of K1 in both families. Protein expression studies in cultured cells indicated pathogenicity of this mutation. This is the first report of a genetic defect in this domain of K1. The unusual gain-of-function mutation points to a subtle role of the 1B domain in mediating filament-filament interactions with regular periodicity.

  11. C2 Fracture Subtypes, Incidence, and Treatment Allocation Change with Age: A Retrospective Cohort Study of 233 Consecutive Cases

    Directory of Open Access Journals (Sweden)

    Anna-Lena Robinson

    2017-01-01

    Full Text Available The currently available data on the distribution of C2 fracture subtypes is sparse. This study was designed to identify the proportions of the second cervical vertebra (C2 fracture subtypes and to present age and gender specific incidences of subgroups. A dataset of all patients treated between 2002 and 2014 for C2 fractures was extracted from the regional hospital information system. C2 fractures were classified into odontoid fractures types 1, 2, and 3, Hangman’s fractures types 1, 2, and 3, and atypical C2 fractures. 233 patients (female 51%, age 72±19 years were treated for a C2 fracture. Odontoid fractures were found in 183 patients, of which 2 were type 1, 127 type 2, and 54 type 3, while 26 of C2 fractures were Hangman’s fractures and 24 were atypical C2 fractures. In the geriatric subgroup 89% of all C2 fractures were odontoid, of which 71% were type 2 and 29% type 3. There was an increasing incidence of odontoid fractures types 2 and 3 from 2002 to 2014. 40% of C2 fractures were treated surgically. This study presents reliable subset proportions of C2 fractures in a prospectively collected regional cohort. Knowledge of these proportions facilitates future epidemiological studies of C2 fractures.

  12. C2 Fracture Subtypes, Incidence, and Treatment Allocation Change with Age: A Retrospective Cohort Study of 233 Consecutive Cases.

    Science.gov (United States)

    Robinson, Anna-Lena; Möller, Anders; Robinson, Yohan; Olerud, Claes

    2017-01-01

    The currently available data on the distribution of C2 fracture subtypes is sparse. This study was designed to identify the proportions of the second cervical vertebra (C2) fracture subtypes and to present age and gender specific incidences of subgroups. A dataset of all patients treated between 2002 and 2014 for C2 fractures was extracted from the regional hospital information system. C2 fractures were classified into odontoid fractures types 1, 2, and 3, Hangman's fractures types 1, 2, and 3, and atypical C2 fractures. 233 patients (female 51%, age 72 ± 19 years) were treated for a C2 fracture. Odontoid fractures were found in 183 patients, of which 2 were type 1, 127 type 2, and 54 type 3, while 26 of C2 fractures were Hangman's fractures and 24 were atypical C2 fractures. In the geriatric subgroup 89% of all C2 fractures were odontoid, of which 71% were type 2 and 29% type 3. There was an increasing incidence of odontoid fractures types 2 and 3 from 2002 to 2014. 40% of C2 fractures were treated surgically. This study presents reliable subset proportions of C2 fractures in a prospectively collected regional cohort. Knowledge of these proportions facilitates future epidemiological studies of C2 fractures.

  13. Measurement of the $^{233}$U neutron capture cross section at the n_TOF facility at CERN

    CERN Document Server

    Carrapiço, Carlos; Berthoumieux, Eric; Gonçalves, Isabel; Gunsing, Frank

    2012-12-12

    The Thorium-Uranium (Th-U) fuel cycle has been envisaged as an alternative to the Uranium-Plutonium (U-Pu) fuel cycle for electricity generation using nuclear power reactors. Indeed, thorium can be used as a nuclear fuel, and several studies and R&D programs seem to provide evidence on the sustainability of the Th-U fuel cycle, due to (i) the natural abundance of Thorium, (ii) the improved proliferation resistance offered by the Th-U fuel cycle relative to the U-Pu fuel cycle, (iii) the better neutronics performance of the Th-U fuel cycle throughout the whole neutron energy range compared to the U-Pu fuel cycle, (iv) the lower radiotoxicity of the generated spent fuel in reactors with Th-U fuel cycle and, consequently (v) better economics and public acceptance of the reactors operated using the Th-U fuel cycle compared to those using the U-Pu fuel cycle (prior to the Generation IV nuclear reactors). In a nuclear reactor operated using the Th-U fuel cycle, $^{233}$U is a key nuclide governing the neutr...

  14. 我院药物临床试验中严重不良事件报告233例分析%Analysis of 233 Cases of Severe Adverse Events in Drug Clinical Trials of Our Hospital

    Institute of Scientific and Technical Information of China (English)

    张田香; 陆明莹; 张彩霞; 袁祖贻

    2016-01-01

    目的:为药物临床试验中进行质控和保护受试者权益提供参考。方法:收集我院2012年1月-2015年6月上报的药物临床试验中的233例严重不良事件(SAE)报告,按照受试者性别、年龄、上报科室、药物/器械种类、药物/器械名称、SAE的类型、SAE与药物/器械的相关性、受试者合并疾病情况等进行统计分析。结果:男性SAE发生率高于女性(71.2%vs.28.8%);SAE主要发生在50岁以上的人群中(189例,81.1%);心内科SAE发生率最高(137例,58.8%);主要的SAE类型是导致住院(183例,78.5%);大部分SAE与研究药物肯定无关(164例,70.4%);发生SAE的受试者中一半以上自身合并有其他疾病(128例,54.9%)。结论:为确保药物临床试验数据的质量和受试者的安全,临床试验过程中研究者应重点加强对老年和自身合并疾病受试者的管理,确保每例SAE得到及时处理,并如实记录和报告。%OBJECTIVE:To provide reference for performing quality control and protecting the subjects’rights and interests. METHODS:233 severe adverse events (SAE) cases reported by our hospital during Jan. 2012-Jun. 2015 were collected and ana-lyzed statistically in respects of subjects’gender and age,department,drug/equipment types,SAE types,relationship of SAE with drug/equipment,comorbidities,etc. RESULTS:The incidence of SAE in male was higher than female(71.2% vs. 28.8%);SAE mainly occurred in people over the age of 50(189 cases,81.1%);the incidence of SAE in cardiology department was the highest (137 cases,58.8%);main SAE type was hospitalization(183 cases,78.5%);most of SAE had nothing to do with studied drugs (164 cases,70.4%);more than half of the subjects suffered from other comorbidities(128 cases,54.9%). CONCLUSIONS:In order to ensure the quality of drug clinical trial data and safety of subjects,the investigator should strengthen the management of the

  15. Fission Product Yields of 233U, 235U, 238U and 239Pu in Fields of Thermal Neutrons, Fission Neutrons and 14.7-MeV Neutrons

    Science.gov (United States)

    Laurec, J.; Adam, A.; de Bruyne, T.; Bauge, E.; Granier, T.; Aupiais, J.; Bersillon, O.; Le Petit, G.; Authier, N.; Casoli, P.

    2010-12-01

    The yields of more than fifteen fission products have been carefully measured using radiochemical techniques, for 235U(n,f), 239Pu(n,f) in a thermal spectrum, for 233U(n,f), 235U(n,f), and 239Pu(n,f) reactions in a fission neutron spectrum, and for 233U(n,f), 235U(n,f), 238U(n,f), and 239Pu(n,f) for 14.7 MeV monoenergetic neutrons. Irradiations were performed at the EL3 reactor, at the Caliban and Prospero critical assemblies, and at the Lancelot electrostatic accelerator in CEA-Valduc. Fissions were counted in thin deposits using fission ionization chambers. The number of fission products of each species were measured by gamma spectrometry of co-located thick deposits.

  16. Determination of the extraction efficiency for $^{233}$U source $\\alpha$-recoil ions from the MLL buffer-gas stopping cell

    CERN Document Server

    von der Wense, Lars; Laatiaoui, Mustapha; Thirolf, Peter G

    2016-01-01

    Following the $\\alpha$ decay of $^{233}$U, $^{229}$Th recoil ions are shown to be extracted in a significant amount from the MLL buffer-gas stopping cell. The produced recoil ions and subsequent daughter nuclei are mass purified with the help of a customized quadrupole mass spectrometer. The combined extraction and mass-purification efficiency for $^{229}$Th$^{3+}$ is determined via MCP-based measurements and via the direct detection of the $^{229}$Th $\\alpha$ decay. A large value of $(10\\pm2)$\\% for the combined extraction and mass-purification efficiency of $^{229}$Th$^{3+}$ is obtained at a mass resolution of about 1 u/e. In addition to $^{229}$Th, also other $\\alpha$-recoil ions of the $^{233,232}$U decay chains are addressed.

  17. Utilization of non-weapons-grade plutonium and highly enriched uranium with breeding of the {sup 233}U isotope in the VVER reactors using thorium and heavy water

    Energy Technology Data Exchange (ETDEWEB)

    Marshalkin, V. E., E-mail: marshalkin@vniief.ru; Povyshev, V. M. [Russian Federal Nuclear Center All-Russian Research Institute of Experimental Physics (Russian Federation)

    2015-12-15

    A method for joint utilization of non-weapons-grade plutonium and highly enriched uranium in the thorium–uranium—plutonium oxide fuel of a water-moderated reactor with a varying water composition (D{sub 2}O, H{sub 2}O) is proposed. The method is characterized by efficient breeding of the {sup 233}U isotope and safe reactor operation and is comparatively simple to implement.

  18. De Novo Trisomy 1q10q23.3 Mosaicism Causes Microcephaly, Severe Developmental Delay, and Facial Dysmorphic Features but No Cardiac Anomalies

    Directory of Open Access Journals (Sweden)

    Shirley Lo-A-Njoe

    2016-01-01

    Full Text Available Proximal duplications of chromosome 1q are rare chromosomal abnormalities. Most patients with this condition present with neurological, urogenital, and congenital heart disease and short life expectancy. Mosaicism for trisomy 1q10q23.3 has only been reported once in the literature. Here we discuss a second case: a girl with a postnatal diagnosis of a de novo pure mosaic trisomy 1q1023.3 who has no urogenital or cardiac anomalies.

  19. A HST study of the environment of the Herbig Ae/Be star LkHa 233 and its bipolar jet

    CERN Document Server

    Melnikov, Stanislav Yu; Eislöffel, Jochen; Bacciotti, Francesca; Locatelli, Ugo; Ray, Thomas P

    2008-01-01

    We present the results of HST/STIS and WFPC2 observations of LkHa 233 and its environment. LkHa233 is a Herbig Ae/Be star with a collimated bipolar jet. We investigate optical forbidden lines along the LkHa 233 jet to determine physical parameters of this jet (electron density n_e, hydrogen ionisation fraction x_e, electron temperature T_e, and mass density n_H). The knowledge of these parameters allows us a direct comparison of a jet from a Herbig star with those from T Tauri stars. The WFPC2 images in broad-band filters clearly show a dark lane caused either by a circumstellar disk or a dust torus. In the blueshifted lobe, n_e is close to or above the critical density for [SII] lines (2.5x10^4 cm^-3) in the first arcsecond and decreases with distance from the source. The ionisation x_e~0.2-0.6 gently rises for the first 500 AU of the flow and shows two re-ionisation events further away from the origin. The T_e varies along the flow between 10^4 K and 3x10^4 K. The (radial) outflow velocities are ~ 80-160 km...

  20. A MOLECULARLY CHARACTERIZED INTERSTITIAL DELETION ENCOMPASSING THE 11q14.1-q23.3 REGION IN A CASE WITH MULTIPLE CONGENITAL ABNORMALITIES.

    Science.gov (United States)

    Cetin, Z; Altiok-Clark, O; Yakut, S; Guzel-Nur, B; Mihci, E; Berker-Karauzum, S

    2016-01-01

    Interstitial deletion of chromosome 11 long arm is a rare event. In most of the interstitial deletions on the long arm of chromosome 11 both the position and the size of these deletions are heterogeneous making a precise karyotype-phenotype correlation. In only a few of the reported cases has the deletion been molecularly characterized. Our patient was a 13-year-old male presented; mental motor retardation, strabismus, myopia, retinopathy, sensorineural hearing loss, a long and triangular face, a broad forehead, hypotelorism, nasal septal deviation, a beaked nose, hypoplastic ala nasie, bilateral low-set ears, a high arched palate, crowded teeth, retrognathia, thin lips, a long neck, and sloping shoulders, hyperactive behavior, pulmonary stenosis and lumbar scoliosis. Conventional cytogenetic analysis revealed 46,XY,del(11)(q14.1-q23.3) karyotype in the patient. Array-CGH analysis of the patient's DNA revealed an interstitial deletion encompassing 33.2 Mb in the 11q14.1-q23.3 genomic region (chr11: 83,161,443-116,401,751 ; Hg19). In this report, we present a patient with an interstitial deletion on the long arm of chromosome 11 that encompassed the 11q14.1-q23.3 region; and, using array-CGH analysis, we molecularly characterized the deleted region.

  1. Delayed Fission Gamma-ray Characteristics of Th-232 U-233 U-235 U-238 and Pu-239

    Energy Technology Data Exchange (ETDEWEB)

    Lane, Taylor [Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States); Parma, Edward J. [Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

    2015-08-01

    Delayed fission gamma-rays play an important role in determining the time dependent ioniz- ing dose for experiments in the central irradiation cavity of the Annular Core Research Reactor (ACRR). Delayed gamma-rays are produced from both fission product decay and from acti- vation of materials in the core, such as cladding and support structures. Knowing both the delayed gamma-ray emission rate and the time-dependent gamma-ray energy spectrum is nec- essary in order to properly determine the dose contributions from delayed fission gamma-rays. This information is especially important when attempting to deconvolute the time-dependent neutron, prompt gamma-ray, and delayed gamma-ray contribution to the response of a diamond photo-conducting diode (PCD) or fission chamber in time frames of milliseconds to seconds following a reactor pulse. This work focused on investigating delayed gamma-ray character- istics produced from fission products from thermal, fast, and high energy fission of Th-232, U-233, U-235, U-238, and Pu-239. This work uses a modified version of CINDER2008, a transmutation code developed at Los Alamos National Laboratory, to model time and energy dependent photon characteristics due to fission. This modified code adds the capability to track photon-induced transmutations, photo-fission, and the subsequent radiation caused by fission products due to photo-fission. The data is compared against previous work done with SNL- modified CINDER2008 [ 1 ] and experimental data [ 2 , 3 ] and other published literature, includ- ing ENDF/B-VII.1 [ 4 ]. The ability to produce a high-fidelity (7,428 group) energy-dependent photon fluence at various times post-fission can improve the delayed photon characterization for radiation effects tests at research reactors, as well as other applications.

  2. Ammonia excitation imaging of shocked gas towards the W28 gamma-ray source HESS J1801-233

    Science.gov (United States)

    Maxted, Nigel I.; de Wilt, Phoebe; Rowell, Gavin P.; Nicholas, Brent P.; Burton, Michael. G.; Walsh, Andrew; Fukui, Yasuo; Kawamura, Akiko

    2016-10-01

    We present 12 mm Mopra observations of the dense (>103 cm-3) molecular gas towards the north-east of the W28 supernova remnant (SNR). This cloud is spatially well matched to the TeV gamma-ray source HESS J1801-233 and is known to be an SNR-molecular cloud interaction region. Shock-disruption is evident from broad NH3 (1,1) spectral linewidths in regions towards the W28 SNR, while strong detections of spatially extended NH3 (3,3), NH3(4,4) and NH3(6,6) inversion emission towards the cloud strengthen the case for the existence of high temperatures within the cloud. Velocity dispersion measurements and NH3(n,n)/(1,1) ratio maps, where n = 2, 3, 4 and 6, indicate that the source of disruption is from the side of the cloud nearest to the W28 SNR, suggesting that it is the source of cloud-disruption. Towards part of the cloud, the ratio of ortho to para-NH3 is observed to exceed 2, suggesting gas-phase NH3 enrichment due to NH3 liberation from dust-grain mantles. The measured NH3 abundance with respect to H2 is ˜(1.2 ± 0.5) × 10-9, which is not high, as might be expected for a hot, dense molecular cloud enriched by sublimated grain-surface molecules. The results are suggestive of NH3 sublimation and destruction in this molecular cloud, which is likely to be interacting with the W28 SNR shock.

  3. Complications associated with transobturator sling procedures: analysis of 233 consecutive cases with a 27 months follow-up

    Directory of Open Access Journals (Sweden)

    Dubuisson Jean-Bernard

    2009-09-01

    Full Text Available Abstract Backround The transobturator tape procedure (TOT is an effective surgical treatment of female stress urinary incontinence. However data concerning safety are rare, follow-up is often less than two years, and complications are probably underreported. The aim of this study was to describe early and late complications associated with TOT procedures and identify risk factors for erosions. Methods It was a 27 months follow-up of a cohort of 233 women who underwent TOT with three different types of slings (Aris®, Obtape®, TVT-O®. Follow-up information was available for 225 (96.6% women. Results There were few per operative complications. Forty-eight women (21.3% reported late complications including de novo or worsening of preexisting urgencies (10.2%, perineal pain (2.2%, de novo dyspareunia (9%, and vaginal erosion (7.6%. The risk of erosion significantly differed between the three types of slings and was 4%, 17% and 0% for Aris®, Obtape® and TVT-O® respectively (P = 0.001. The overall proportion of women satisfied by the procedure was 72.1%. The percentage of women satisfied was significantly lower in women who experienced erosion (29.4% compared to women who did not (78.4% (RR 0.14, 95% CI 0.05-0.38, P Conclusion Late post operative complications are relatively frequent after TOT and can impair patient's satisfaction. Women should be informed of these potential complications preoperatively and require careful follow-up after the procedure. Choice of the safest sling material is crucial as it is a risk factor for erosion.

  4. Fiscal Year 2008 Phased Construction Completion Report for EU Z2-33 in Zone 2, East Tennessee Technology Park, Oak Ridge, Tennessee

    Energy Technology Data Exchange (ETDEWEB)

    Bechtel Jacobs

    2008-09-11

    The Record of Decision for Soil, Buried Waste, and Subsurface Structure Actions in Zone 2, East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2161&D2) (Zone 2 ROD) acknowledged that most of the 800 acres in Zone 2 were contaminated, but that sufficient data to confirm the levels of contamination were lacking. The Zone 2 ROD further specified that a sampling strategy for filling the data gaps would be developed. The Remedial Design Report/Remedial Action Work Plan for Zone 2 Soils, Slabs, and Subsurface Structures, East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2224&D3) (Zone 2 RDR/RAWP) defined the sampling strategy as the Dynamic Verification Strategy (DVS), generally following the approach used for characterization of the Zone 1 exposure units (EUs). The Zone 2 ROD divided the Zone 2 area into seven geographic areas and 44 EUs. To facilitate the data quality objectives (DQOs) of the DVS process, the Zone 2 RDR/RAWP regrouped the 44 EUs into 12 DQO scoping EU groups. These groups facilitated the DQO process by placing similar facilities and their support facilities together and allowing identification of data gaps. The EU groups were no longer pertinent after DQO planning was completed and characterization was conducted as areas became accessible. As the opportunity to complete characterization became available, the planned DVS program and remedial actions (RAs) were completed for EU Z2-33. Remedial action was also performed at two additional areas in adjacent EU Z2-42 because of their close proximity and similar nature to a small surface soil RA in EU Z2-33. Remedial actions for building slabs performed in EU Z2-33 during fiscal year (FY) 2007 were reported in the Fiscal Year 2007 Phased Construction Completion Report for the Zone 2 Soils, Slabs, and Subsurface Structures at East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2723&D1). Recommended RAs for EU Z2-42 were described in the Fiscal Year 2006 Phased Construction

  5. Desorption Kinetics of H2O from Cab-O-Sil-M-7D and Hi-Sil-233 Silica Particles

    Energy Technology Data Exchange (ETDEWEB)

    Dinh, L.; Balooch, M.; LeMay, J.D.

    2000-01-26

    Temperature programmed desorption (TPD) was performed at temperatures up to 850K on Cab-O-Sil-M-7D and Hi-Sil-233 silica particles. Physisorbed water molecules on both types of silica had activation energies in the range of 9-14.5 kcal/mol. However, the activation energies of desorption for chemisorbed water varied from {approx} 19 kcal/mol to > 59 kcal/mol for Cab-O-Sil-M-7D, and {approx} 23-37 kcal/mol for Hi-Sil-233. Our results suggest that physisorbed water can be effectively pumped away at room temperature (or preferably at 320 K) in a matter of hours. Chemisorbed water with high activation energies of desorption (>30 kcal/mol) will not escape the silica surfaces in 100 years even at 320 K, while a significant amount of the chemisorbed water with medium activation energies (19-26 kcal/mol) will leave the silica surfaces in that time span. Most of the chemisorbed water with activation energies < 30 kcal/mol can be pumped away in a matter of days in a good vacuum environment at 500 K. We had previously measured about 0.1-0.4 wt. % of water in M9787 polysiloxane formulations containing {approx} 21% Cab-O-Sil-M-7D and {approx} 4% Hi-Sil-233. Comparing present results with these formulations, we conclude that absorbed H{sub 2}O and Si-OH bonds on the silica surfaces are the major contributors to water outgassing from M97 series silicones.

  6. 双核[Cu2(phen)2(3,3'-tda)2]配合物的合成、结构与光谱表征

    Institute of Scientific and Technical Information of China (English)

    刘艳华

    2010-01-01

    以丙二酸硫醚(3,3'-tdaH2)为主配体,以邻菲哆啉(phen)为辅助配体,合成了一例双核配合物[Cu:(phen)2(3,3'-tda](1),并通过X射线单晶结构分析、元素分析以及红外光谱、紫外光谱对配合物进行了表征.

  7. Evaluation of fission cross sections and covariances for {sup 233}U, {sup 235}U, {sup 238}U, {sup 239}Pu, {sup 240}Pu, and {sup 241}Pu

    Energy Technology Data Exchange (ETDEWEB)

    Kawano, Toshihiko [Kyushu Univ., Fukuoka (Japan); Matsunobu, Hiroyuki [Data Engineering, Inc. (Japan); Murata, Toru [AITEL Corporation, Tokyo (JP)] [and others

    2000-02-01

    A simultaneous evaluation code SOK (Simultaneous evaluation on KALMAN) has been developed, which is a least-squares fitting program to absolute and relative measurements. The SOK code was employed to evaluate the fission cross sections of {sup 233}U, {sup 235}U, {sup 238}U, {sup 239}Pu, {sup 240}Pu, and {sup 241}Pu for the evaluated nuclear data library JENDL-3.3. Procedures of the simultaneous evaluation and the experimental database of the fission cross sections are described. The fission cross sections obtained were compared with evaluated values given in JENDL-3.2 and ENDF/B-VI. (author)

  8. Neutron-induced fission cross sections of 233U and 243Am in the energy range 0.5 Mev En 20 MeV @ n_TOF

    CERN Document Server

    Belloni, F; Milazzo, P M; Calviani, M; Colonna, N; Mastinu, P; Abbondanno, U; Aerts, G; Álvarez, H; Álvarez-Velarde, F; Andriamonje, S; Andrzejewski, J; Assimakopoulos, P; Audouin, L; Badurek, G; Baumann, P; Becvár, F; Berthoumieux, E; Calviño, F; Cano-Ott, D; Capote, R; Carrapiço, C; Cennini, P; Chepel, V; Chiaveri, E; Cortes, G; Couture, A; Cox, J; Dahlfors, M; David, S; Dillmann, I; Domingo-Pardo, C; Dridi, W; Duran, I; Eleftheriadis, C; Embid-Segura, M; Ferrant, L; Ferrari, A; Ferreira-Marques, R; Fujii, K; Furman, W; Goncalves, I; González-Romero, E; Gramegna, F; Guerrero, C; Gunsing, F; Haas, B; Haight, R; Heil, M; Herrera-Martinez, A; Igashira, M; Jericha, E; Käppeler, F; Kadi, Y; Karadimos, D; Karamanis, D; Kerveno, M; Koehler, P; Kossionides, E; Krticka, M; Lampoudis, C; Leeb, H; Lindote, A; Lopes, I; Lozano, M; Lukic, S; Marganiec, J; Marrone, S; Martínez, T; Massimi, C; Mengoni, A; Moreau, C; Mosconi, M; Neves, F; Oberhummer, H; O'Brien, S; Pancin, J; Papachristodoulou, C; Papadopoulos, C; Paradela, C; Patronis, N; Pavlik, A; Pavlopoulos, P; Perrot, L; Pigni, M T; Plag, R; Plompen, A; Plukis, A; Poch, A; Praena, J; Pretel, C; Quesada, J; Rauscher, T; Reifarth, R; Rubbia, C; Rudolf, G; Rullhusen, P; Salgado, J; Santos, C; Sarchiapone, L; Savvidis, I; Stephan, C; Tagliente, G; Tain, J L; Tassan-Got, L; Tavora, L; Terlizzi, R; Vannini, G; Vazl, P; Ventura, A; Villamarin, D; Vincente, M C; Vlachoudis, V; Vlastou, R; Voss, F; Walter, S; Wiescher, M; Wisshak, K

    2011-01-01

    Neutron-induced fission cross-sections of actinides have been recently measured at the neutron time of flight facility n_TOF at CERN in the frame of a research project involving isotopes relevant for nuclear astrophysics and nuclear technologies. Fission fragments are detected by a gas counter with good discrimination between nuclear fission products and background events. Neutron-induced fission cross-sections of 233U and 243Am were determined relative to 235U. The present paper reports the results obtained at neutron energies between 0.5 and 20 MeV.

  9. pVT data of liquid 1-, 2-, and 3-pentanol from 10 to 200 MPa and from 233 to 433 K

    Energy Technology Data Exchange (ETDEWEB)

    Wappmann, S.; Karger, N.; Luedemann, H.D. (Univ. Regensburg (Germany). Inst. fuer Biophysik und Physikalische Biochemie)

    Molar volumes of 1-, 2-, and 3-pentanol have been determined using a piston-cylinder apparatus. All isotherms are well described by the modified Tait equation (V[sub o] - V)/V[sub o] = A ln[(B + p)/(B + p[sub o])], with a temperature-independent parameter A, while B proved to increase monotonically with falling temperature. The quality of the fits suggests that the results can be extrapolated reliably by the Tait equation to pressures and temperatures beyond the range covered by these experiments (10--200 MPa, 233--433 K).

  10. Study of the excited levels of 233{sup P}a by the 237{sup N}p alpha decay; Estudio de los niveles excitados en el 233{sup P}a por la desintegracion alfa del 237{sup N}p

    Energy Technology Data Exchange (ETDEWEB)

    Gonzalez, J.; Gaeta, R.; Vano, E.; Los Arcos, J. M.

    1978-07-01

    The excited levels in 233{sup P}a following the 237{sup N}p alpha decay have been studied, by performing different experiences to complete available data and supply new information. Thus, two direct alpha spectrum measurement, one alpha-gamma bidimensional coincidence experiment, three gamma-gamma and gamma-X ray coincidences and some other measurements of the gamma spectrum, direct and coincident with alpha-particles have been made. These last experiences have allowed to obviate usual radiochemical separation methods, the 233{sup P}a radioactive descendent interferences being eliminated by means of the coincidence technic. As a result, a primary decay scheme has been elaborated, including 15 new gamma transitions and two new levels, not observed in the most recent works. (Author) 60 refs.

  11. Characterization of Extracellular Dextranase from a Novel Halophilic Bacillus subtilis NRC-B233b a Mutagenic Honey Isolate under Solid State Fermentation

    Directory of Open Access Journals (Sweden)

    Mona A. Esawy

    2012-01-01

    Full Text Available Bacillus subtilis NRC-B233b was isolated from Libyan honey sample proved to be a potent dextranase producer by applying solid state fermentation and utilizing corn flour as the sole carbon source. The optimized culture conditions for dextranase productions were 37°C, pH 10, 32 h, and 20% (v/w moisture content. A unique character of this isolate is its ability to produce steady dextranase irrespective to the presence of NaCl in the medium. The addition of 0.175 Mm CrCl3 increased the enzyme production by about 4.5 fold. Further improvement in enzyme production was achieved by simple UV mutation which increased the enzyme production up to about 2842 U/g. The crude extract has been partially purified about 112-fold from crude extract by only two purification steps involving ultra-filtration. The partially purified dextranase showed its maximum activity at pH 9.2 and 70°C. It retained full activity (100% at 75°C for one hour. Dextranase activity increased about 4 fold in the presence of 10% NaCl. This enzyme showed variable degradation effect on different types of dextran and its derivatives. The treatment of viscous sugar cane juice with the enzyme preparation resulted in clear visual dextran hydrolysis. These results suggest that the dextranase produced by Bacillus subtilis NRC-B233b is industrially applicable.

  12. Third case of 8q23.3-q24.13 deletion in a patient with Langer-Giedion syndrome phenotype without TRPS1 gene deletion.

    Science.gov (United States)

    Pereza, Nina; Severinski, Srećko; Ostojić, Saša; Volk, Marija; Maver, Aleš; Dekanić, Kristina Baraba; Kapović, Miljenko; Peterlin, Borut

    2012-03-01

    Langer-Giedion syndrome (LGS) is a contiguous gene syndrome caused by a hemizygous deletion on chromosome 8q23.3-q24.11 involving TRPS1 and EXT1 genes. We report on a girl with LGS phenotype and a 7.5 Mb interstitial deletion at chromosome 8q23.3-q24.13. Array-comparative genomic hybridization (a-CGH) revealed a deletion encompassing only the EXT1 and not the TRPS1 gene. Even though the deletion of TRPS1 and EXT1 genes is responsible for craniofacial and skeletal features of LGS, there have been previous reports of patients with LGS phenotype and 8q24 deletions leaving the TRPS1 gene intact. To our knowledge, this is the third such case. Our patient differs from previously reported LGS patients without TRPS1 gene deletion in that she has the typical LGS facial dysmorphism and skeletal abnormalities. However, the girl is of normal height and has only a mild developmental delay. Additionally, she has dyslalia and premature adrenarche classified as Tanner stage 3 premature pubarche which have not yet been described as features of LGS. We examine the molecular breakpoints and phenotypes of our patient and previously reported cases.

  13. Absolute measurements of the /sup 233/U (n,f) cross section between 0. 13 and 8. 0 MeV. [Cross sections, 0. 13 to 8. 0 MeV

    Energy Technology Data Exchange (ETDEWEB)

    Poenitz, W.P.

    1978-04-01

    The fast neutron fission cross section of /sup 233/U was measured absolutely between 0.13 and 8.0 MeV. The absolute cross section values were obtained by low geometry alpha counting and isotopic dilution analysis of various /sup 233/U samples, 2..pi..-detection of the fission fragments with an ionization chamber, and the measurement of the neutron flux with several black neutron detectors. Absolute cross sections were obtained with a 2 to 3% uncertainty over the most important energy range.

  14. High-accuracy 233U(n, f ) cross-section measurement at the white-neutron source n TOF from near-thermal to 1 MeV neutron energy

    OpenAIRE

    Sarchiapone, L.; Savvidis, I.; Konovalov, V; Stephan, C.; Tagliente, G.; Krticka, M; Rudolf, G.; Kossionides, E.; Rullhusen, P; Leeb, H.; Salgado, J.; Capote, R.; Cano-Ott, D.; Mengoni, A.; Calviño Tavares, Francisco

    2009-01-01

    The 233U(n,f ) cross section has been measured at the white neutron source n TOF in a wide energy range with a dedicated fission ionization chamber. We report here the results from ∼30 meV to 1 MeV neutron energy. The 233U(n,f ) cross section has been determined relative to a reference sample of 235U(n,f )measured simultaneously with the same detector. The very high instantaneous neutron flux and the intrinsically low background of the n TOF installation result in an accuracy arou...

  15. R-MATRIX RESONANCE ANALYSIS AND STATISTICAL PROPERTIES OF THE RESONANCE PARAMETERS OF 233U IN THE NEUTRON ENERGY RANGE FROM THERMAL TO 600 eV

    Energy Technology Data Exchange (ETDEWEB)

    Leal, L.C.

    2001-02-27

    The R-matrix resonance analysis of experimental neutron transmission and cross sections of {sup 233}U, with the Reich-Moore Bayesian code SAMMY, was extended up to the neutron energy of 600 eV by taking advantage of new high resolution neutron transmission and fission cross section measurements performed at the Oak Ridge Electron Linear Accelerator (ORELA). The experimental data base is described. In addition to the microscopic data (time-of-flight measurements of transmission and cross sections), some experimental and evaluated integral quantities were included in the data base. Tabulated and graphical comparisons between the experimental data and the SAMMY calculated cross sections are given. The ability of the calculated cross sections to reproduce the effective multiplication factors k{sub eff} for various thermal, intermediate, and fast systems was tested. The statistical properties of the resonance parameters were examined and recommended values of the average s-wave resonance parameters are given.

  16. Fission Cross-section Measurements of (233)U, (245)Cm and (241,243)Am at CERN n_TOF Facility

    CERN Document Server

    Calviani, M; Andriamonje, S; Chiaveri, E; Vlachoudis, V; Colonna, N; Meaze, M H; Marrone, S; Tagliente, G; Terlizzi, R; Belloni, F; Abbondanno, U; Fujii, K; Milazzo, P M; Moreau, C; Aerts, G; Berthoumieux, E; Dridi, W; Gunsing, F; Pancin, J; Perrot, L; Plukis, A; Alvarez, H; Duran, I; Paradela, C; Alvarez-Velarde, F; Cano-Ott, D; Gonzalez-Romero, E; Guerrero, C; Martinez, T; Villamarin, D; Vicente, M C; Andrzejewski, J; Marganiec, J; Assimakopoulos, P; Karadimos, D; Karamanis, D; Papachristodoulou, C; Patronis, N; Audouin, L; David, S; Ferrant, L; Isaev, S; Stephan, C; Tassan-Got, L; Badurek, G; Jericha, E; Leeb, H; Oberhummer, H; Pigni, M T; Baumann, P; Kerveno, M; Lukic, S; Rudolf, G; Becvar, F; Krticka, M; Calvino, F; Capote, R; Carrillo De Albornoz, A; Marques, L; Salgado, J; Tavora, L; Vaz, P; Cennini, P; Dahlfors, M; Ferrari, A; Gramegna, F; Herrera-Martinez, A; Kadi, Y; Mastinu, P; Praena, J; Sarchiapone, L; Wendler, H; Chepel, V; Ferreira-Marques, R; Goncalves, I; Lindote, A; Lopes, I; Neves, F; Cortes, G; Poch, A; Pretel, C; Couture, A; Cox, J; O'brien, S; Wiescher, M; Dillman, I; Heil, M; Kappeler, F; Mosconi, M; Plag, R; Voss, F; Walter, S; Wisshak, K; Dolfini, R; Rubbia, C; Domingo-Pardo, C; Tain, J L; Eleftheriadis, C; Savvidis, I; Frais-Koelbl, H; Griesmayer, E; Furman, W; Konovalov, V; Goverdovski, A; Ketlerov, V; Haas, B; Haight, R; Reifarth, R; Igashira, M; Koehler, P; Kossionides, E; Lampoudis, C; Lozano, M; Quesada, J; Massimi, C; Vannini, G; Mengoni, A; Oshima, M; Papadopoulos, C; Vlastou, R; Pavlik, A; Pavlopoulos, P; Plompen, A; Rullhusen, P; Rauscher, T; Rosetti, M; Ventura, A

    2011-01-01

    Neutron-induced fission cross-sections of minor actinides have been measured using the n_TOF white neutron source at CERN, Geneva, as part of a large experimental program aiming at collecting new data relevant for nuclear astrophysics and for the design of advanced reactor systems. The measurements at n_TOF take advantage of the innovative features of the n_TOF facility, namely the wide energy range, high instantaneous neutron flux and good energy resolution. Final results on the fission cross-section of 233U, 245Cm and 243Am from thermal to 20 MeV are here reported, together with preliminary results for 241Am. The measurement have been performed with a dedicated Fast Ionization Chamber (FIC), a fission fragment detector with a very high efficiency, relative to the very well known cross-section of 235U, measured simultaneously with the same detector.

  17. 听性脑干反应与听觉稳态反应对233例听力复筛未通过婴幼儿早期听力测试结果分析%Analysis of ABR and ASSR test in early hearing diagnostic of 233 infants failed in second hearing screening

    Institute of Scientific and Technical Information of China (English)

    张东红; 王玉璟; 马秀岚

    2012-01-01

    Objective; To discuss the effect of ABR and ASSR test in early hearing diagnostic of infants failed in second hearing screening. Methods: ABR and ASSR were tested in 233 (466 ears) in first and second hearing diagnostic, the results were analyzed. Results;Of 233 infants, 64 infants were normal in first diagnostic tested in 1 to 3 months, 169 infants were with one or two cars hearing loss, among them 88 with milder hearing loss, 60 with moderate hearing loss 12 of the 60 infants with severe hearing loss, 9 with very severe hearing loss. 106 infants accepted second diagnostic test, among them 60 infants with normal hearing, 46 infants with hearing loss 12 of the 46 infants with milder hearing loss, 15 with moderate hearing loss, 10 with severe hearing loss, 9 with very severe hearing loss. Conclusion; Hearing loss infants can de early founded by ABR and ASSR test. ABR and ASSR also provide accurate diagnostic test for early hearing intervention.%目的:探讨听性脑干反应(ABR)与听觉稳态反应(ASSR)在听力复筛未通过婴幼儿早期听力评估中的作用.方法:对233例(466耳)听力复筛未通过的婴幼儿使用ABR、ASSR测试,进行听力学初诊及复诊.分析ABR与ASSR的临床应用情况.结果:233例婴幼儿,在1~3个月时初诊听力正常64例,单耳或双耳听力损失169例,其中轻度88例,中度60例,重度12例,极重度9例.6个月时复诊106例,听力正常60例,听力损失46例,其中轻度12例,中度15例,重度10例,极重度9例.失访63例.结论:ABR与ASSR联合应用可早期发现听力损失,为听力障碍的早期干预提供可靠的依据.

  18. Complete genomic sequences of Campylobacter jejuni strains RM3196 (233.94) and RM3197 (308.95) that were isolated from patients with Guillain-Barré Syndrome

    Science.gov (United States)

    An infection with Campylobacter jejuni subsp. jejuni (Cjj) is a leading cause of foodborne gastroenteritis in humans and also the most prevalent infection preceding Guillain-Barré syndrome (GBS). This study describes the complete genomic sequences of Cjj HS:41 strains RM3196 (233.94) and RM3197 (308...

  19. Complex three-way translocation involving MLL, ELL, RREB1, and CMAHP genes in an infant with acute myeloid leukemia and t(6;19;11)(p22.2;p13.1;q23.3)

    DEFF Research Database (Denmark)

    Tuborgh, A; Meyer, C; Marschalek, R;

    2013-01-01

    until progression to acute myeloid leukemia, AML-M5. The leukemic cells harbored a novel apparent 3-way translocation t(6;19;11)(p22.2;p13.1;q23.3). We utilized advanced molecular cytogenetic methods including 24-color karyotyping, high-resolution array comparative genomic hybridization (aCGH) and DNA...

  20. Isolation of Actinium from Neutron-irradiated Thorium-I

    Institute of Scientific and Technical Information of China (English)

    1994-01-01

    Isolation of Actinium from Neutron-irradiated Thorium-I¥YangWeifan;YuanShuanggui;MuWantong;ZhangXueqian;LiZhongweiandZhaoLili...

  1. Production of actinium-225 for alpha particle mediated radioimmunotherapy.

    Science.gov (United States)

    Boll, Rose A; Malkemus, Dairin; Mirzadeh, Saed

    2005-05-01

    The initial clinical trials for treatment of acute myeloid leukemia have demonstrated the effectiveness of the alpha emitter (213)Bi in killing cancer cells. Bismuth-213 is obtained from a radionuclide generator system from decay of 10-days (225)Ac parent. Recent pre-clinical studies have also shown the potential application of both (213)Bi, and the (225)Ac parent radionuclide in a variety of cancer systems and targeted radiotherapy. This paper describes our five years of experience in production of (225)Ac in partial support of the on-going clinical trials. A four-step chemical process, consisting of both anion and cation exchange chromatography, is utilized for routine separation of carrier-free (225)Ac from a mixture of (228)Th, (229)Th and (232)Th. The separation of Ra and Ac from Th is achieved using the marcoporous anion exchange resin MP1 in 8M HNO(3) media. Two sequential MP1/NO(3) columns provide a separation factor of approximately 10(6) for Ra and Ac from Th. The separation of Ac from Ra is accomplished on a low cross-linking cation exchange resin AG50-X4 using 1.2M HNO(3) as eluant. Two sequential AG50/NO(3) columns provide a separation factor of approximately 10(2) for Ac from Ra. A 60-day processing schedule has been adopted in order to reduce the processing cost and to provide the highest levels of (225)Ac possible. Over an 8-week campaign, a total of approximately 100 mCi of (225)Ac (approximately 80% of the theoretical yield) is shipped in 5-6 batches, with the first batch typically consisting of approximately 50 mCi. After the initial separation and purification of Ac, the Ra pool is re-processed on a bi-weekly schedule or as needed to provide smaller batches of (225)Ac. The averaged radioisotopic purity of the (225)Ac was 99.6 +/- 0.7% with a (225)Ra content of < or =0.6%, and an average (229)Th content of (4(-4)(+5)) x 10(-5)%.

  2. Molecular level characterization of diatom-associated biopolymers that bind 234Th, 233Pa, 210Pb, and 7Be in seawater: A case study with Phaeodactylum tricornutum

    Science.gov (United States)

    Chuang, Chia-Ying; Santschi, Peter H.; Xu, Chen; Jiang, Yuelu; Ho, Yi-Fang; Quigg, Antonietta; Guo, Laodong; Hatcher, Patrick G.; Ayranov, Marin; Schumann, Dorothea

    2015-09-01

    In order to investigate the importance of biogenic silica associated biopolymers on the scavenging of radionuclides, the diatom Phaeodactylum tricornutum was incubated together with the radionuclides 234Th, 233Pa, 210Pb, and 7Be during their growth phase. Normalized affinity coefficients were determined for the radionuclides bound with different organic compound classes (i.e., proteins, total carbohydrates, uronic acids) in extracellular (nonattached and attached exopolymeric substances), intracellular (ethylene diamine tetraacetic acid and sodium dodecyl sulfate extractable), and frustule embedded biopolymeric fractions (BF). Results indicated that radionuclides were mostly concentrated in frustule BF. Among three measured organic components, Uronic acids showed the strongest affinities to all tested radionuclides. Confirmed by spectrophotometry and two-dimensional heteronuclear single quantum coherence-nuclear magnetic resonance analyses, the frustule BF were mainly composed of carboxyl-rich, aliphatic-phosphoproteins, which were likely responsible for the strong binding of many of the radionuclides. Results from this study provide evidence for selective absorption of radionuclides with different kinds of diatom-associated biopolymers acting in concert rather than as a single compound. This clearly indicates the importance of these diatom-related biopolymers, especially frustule biopolymers, in the scavenging and fractionation of radionuclides used as particle tracers in the ocean.

  3. Colorectal cancer risk variants at 8q23.3 and 11q23.1 are associated with disease phenotype in APC mutation carriers.

    Science.gov (United States)

    Ghorbanoghli, Z; Nieuwenhuis, M H; Houwing-Duistermaat, J J; Jagmohan-Changur, S; Hes, F J; Tops, C M; Wagner, A; Aalfs, C M; Verhoef, S; Gómez García, E B; Sijmons, R H; Menko, F H; Letteboer, T G; Hoogerbrugge, N; van Wezel, T; Vasen, H F A; Wijnen, J T

    2016-10-01

    Familial adenomatous polyposis (FAP) is a dominantly inherited syndrome caused by germline mutations in the APC gene and characterized by the development of multiple colorectal adenomas and a high risk of developing colorectal cancer (CRC). The severity of polyposis is correlated with the site of the APC mutation. However, there is also phenotypic variability within families with the same underlying APC mutation, suggesting that additional factors influence the severity of polyposis. Genome-wide association studies identified several single nucleotide polymorphisms (SNPs) that are associated with CRC. We assessed whether these SNPs are associated with polyp multiplicity in proven APC mutation carriers. Sixteen CRC-associated SNPs were analysed in a cohort of 419 APC germline mutation carriers from 182 families. Clinical data were retrieved from the Dutch Polyposis Registry. Allele frequencies of the SNPs were compared for patients with colorectal adenomas versus patients with ≥100 adenomas, using generalized estimating equations with the APC genotype as a covariate. We found a trend of association of two of the tested SNPs with the ≥100 adenoma phenotype: the C alleles of rs16892766 at 8q23.3 (OR 1.71, 95 % CI 1.05-2.76, p = 0.03, dominant model) and rs3802842 at 11q23.1 (OR 1.51, 95 % CI 1.03-2.22, p = 0.04, dominant model). We identified two risk variants that are associated with a more severe phenotype in APC mutation carriers. These risk variants may partly explain the phenotypic variability in families with the same APC gene defect. Further studies with a larger sample size are recommended to evaluate and confirm the phenotypic effect of these SNPs in FAP.

  4. An Investigation on Government Affairs Micro-Blog and its Improvement Direction---Empirical Evidence from the Investigation on 233 Civil Servants for Chongqing%政务微博的公共治理调查及提升方向*--基于重庆市233个样本数据的分析

    Institute of Scientific and Technical Information of China (English)

    王正攀; 陈文权; 徐信贵

    2015-01-01

    The government affairs micro-blog is not only development of the result from times, but also the concrete embodiment of a-bility of improving government’s public governance. Investigation is adopted on 233 civil servants of ChongQing on knowledge degree, concern degree,satisfaction and social effects on government affairs micro-blog by means of questionnaire. Through these analyses,it is found that:First, there are three features for the survey sample,which are “the higher proportion of owning micro-blog,the higher fre-quency of using micro-blog,a higher degree of interest on the government affairs micro-blog”;Second, the relationship between the sur-vey civil servant’s ages is negatively correlated with its knowledge degree under the age of 46,and the education and awareness are posi-tively related;Third, the survey sample of micro-blog government’ s concern degree is weak. However, the satisfaction is not high;Fourth,the investigation on 233 civil servants’ social effect of government micro-blog hold a positive and positive attitude. Finally,this paper explores some measures to overcome these bottlenecks,such as regular system,professional training ,increasing promotional ef-forts.%“政务微博”不仅是时代发展的结果,也是提升政府公共服务治理能力的具体体现。以问卷调查的方式,调查了重庆市233个公务员样本对政务微博知晓度、关注度、满意度以及社会效果等方面态度。研究发现:调查样本呈现出“有微博账号比例高、使用微博频率高、对政务微博兴趣度较高”的特点;46岁以下调查样本的年龄段与政务微博知晓度呈负相关关系,学历程度与政务微博知晓度呈正相关关系;调查样本对对政务微博的关注度偏弱,满意度不高;调查样本对政务微博的社会效果持肯定、正面态度。最后,从完善制度、专业人才培养、加大推广力度等方面提出了改进建议。

  5. Expeditious method to determine uranium in the process control samples of chemical plant separating (233)U from thoria irradiated in power reactors.

    Science.gov (United States)

    Kedari, C S; Kharwandikar, B K; Banerjee, K

    2016-11-01

    Analysis of U in the samples containing a significant proportion of (232)U and high concentration of Th is of great concern. Transmutation of Th in the nuclear power reactor produces a notable quantity of (232)U (half life 68.9 years) along with fissile isotope (233)U. The decay series of (232)U is initiated with (228)Th (half life 1.9 year) and it is followed by several short lived α emitting progenies, (224)Ra, (220)Rn, (216)Po, (212)Bi and (212)Po. Even at the smallest contamination of (228)Th in the sample, a very high pulse rate of α emission is obtained, which is to be counted for the radiometric determination of [U]. A commercially available anionic type of extractant Alamine®336 is used to obtain the selective extraction of U from other alpha active elements and fission products present in the sample. Experimental conditions of liquid-liquid extraction (LLE) are optimized for obtaining maximum decontamination and recovery of U in the organic phase. The effect of some interfering ionic impurities in the sample on the process of separation is investigated. Depending on the level of the concentration of U in the samples, spectrophotometry or radiometry methods are adopted for its determination after separation by LLE. Under optimized experimental conditions, i.e. 5.5M HCl in the aqueous phase and 0.27M Alamin®336 in the organic phase, the recovery of U is about 100%, the decontamination factor with respect to Th is >2000 and the extraction of fission products like (90)Sr, (144)Ce and (134,137)Cs is negligible. The detection limit for [U] using α radiometry is 10mg/L, even in presence of >100g/L of Th in the sample. Accuracy and precision for the determination of U is also assessed. Reproducibility of results is within 5%. This method shows very good agreement with the results obtained by mass spectrometry.

  6. A replication study of GWAS-derived lipid genes in Asian Indians: the chromosomal region 11q23.3 harbors loci contributing to triglycerides.

    Directory of Open Access Journals (Sweden)

    Timothy R Braun

    Full Text Available Recent genome-wide association scans (GWAS and meta-analysis studies on European populations have identified many genes previously implicated in lipid regulation. Validation of these loci on different global populations is important in determining their clinical relevance, particularly for development of novel drug targets for treating and preventing diabetic dyslipidemia and coronary artery disease (CAD. In an attempt to replicate GWAS findings on a non-European sample, we examined the role of six of these loci (CELSR2-PSRC1-SORT1 rs599839; CDKN2A-2B rs1333049; BUD13-ZNF259 rs964184; ZNF259 rs12286037; CETP rs3764261; APOE-C1-C4-C2 rs4420638 in our Asian Indian cohort from the Sikh Diabetes Study (SDS comprising 3,781 individuals (2,902 from Punjab and 879 from the US. Two of the six SNPs examined showed convincing replication in these populations of Asian Indian origin. Our study confirmed a strong association of CETP rs3764261 with high-density lipoprotein cholesterol (HDL-C (p = 2.03×10(-26. Our results also showed significant associations of two GWAS SNPs (rs964184 and rs12286037 from BUD13-ZNF259 near the APOA5-A4-C3-A1 genes with triglyceride (TG levels in this Asian Indian cohort (rs964184: p = 1.74×10(-17; rs12286037: p = 1.58×10(-2. We further explored 45 SNPs in a ∼195 kb region within the chromosomal region 11q23.3 (encompassing the BUD13-ZNF259, APOA5-A4-C3-A1, and SIK3 genes in 8,530 Asian Indians from the London Life Sciences Population (LOLIPOP (UK and SDS cohorts. Five more SNPs revealed significant associations with TG in both cohorts individually as well as in a joint meta-analysis. However, the strongest signal for TG remained with BUD13-ZNF259 (rs964184: p = 1.06×10(-39. Future targeted deep sequencing and functional studies should enhance our understanding of the clinical relevance of these genes in dyslipidemia and hypertriglyceridemia (HTG and, consequently, diabetes and CAD.

  7. Non-invasive ventilation (NIV) in the clinical management of acute COPD in 233 UK hospitals: results from the RCP/BTS 2003 National COPD Audit.

    Science.gov (United States)

    Kaul, Sundeep; Pearson, Michael; Coutts, Ian; Lowe, Derek; Roberts, Michael

    2009-06-01

    Non-invasive ventilation (NIV) is a clinically proven, cost-effective intervention for acidotic exacerbations of COPD that is recommended by UK national guidelines. This study examines the extent to which these recommendations are being followed in the UK. Between August and October 2003 a national audit of COPD exacerbations was conducted by the Royal College of Physicians and the British Thoracic Society. 233 (94%) UK hospitals submitted data for 7,529 prospectively recruited acute COPD admissions, documenting process of care and outcomes from a retrospective case note audit. They also completed a resources and organisation of care proforma. Nineteen hospitals (8%) reported they did not offer NIV. There was no access to NIV in 92 (39%) intensive care units in 88 (36%), high-dependency units or on general wards of 85 (34%) hospitals. In 74 (30%) NIV was available on all 3 sites. A low pH (<7.35) was noted at some time during admission for 26% (1714/6544) of patients and NIV was administered to 31%. Patients receiving NIV were more often admitted under a respiratory physician, or seen at some stage by a respiratory specialist and had more severe disease (higher PaCO2 (median 9.8 v 7.8 kPa), lower oxygen tension (median 8.8 v 9.8 kPa), higher incidence of peripheral oedema (48% v 39%), of pneumonia (27% v 16%), higher in-hospital mortality (26% v 14%) and at 90 days (37% v 24%) and longer hospital stays (median 9 v 7 days) than those not receiving NIV. Hospitals with least usage of NIV had similar mortality rates to those using NIV more often. A comprehensive NIV service is not available in many hospitals admitting patients with acute respiratory failure secondary to COPD. Access to acute NIV is inadequate and does not conform with NICE and BTS guidelines. These observational audit data do not demonstrate benefits of NIV on survival when compared to conventional management, contrary to results from randomised trials. Reasons for this are unclear but unmeasured

  8. The effect of dissolved hydrogen on the dissolution of {sup 233}U doped UO{sub 2}(s) high burn-up spent fuel and MOX fuel

    Energy Technology Data Exchange (ETDEWEB)

    Carbol, P. [Inst. for Transuranium Elements, Karlsruhe (Germany); Spahiu, K. (ed.) [and others

    2005-03-01

    In this report the results of the experimental work carried out in a large EU-research project (SFS, 2001-2004) on spent fuel stability in the presence of various amounts of near field hydrogen are presented. Studies of the dissolution of {sup 233}U doped UO{sub 2}(s) simulating 'old' spent fuel were carried out as static leaching tests, autoclave tests with various hydrogen concentrations and electrochemical tests. The results of the leaching behaviour of a high burn-up spent fuel pellet in 5 M NaCl solutions in the presence of 3.2 bar H{sub 2} pressure and of MOX fuel in dilute synthetic groundwater under 53 bar H{sub 2} pressure are also presented. In all the experimental studies carried out in this project, a considerable effect of hydrogen in the dissolution rates of radioactive materials was observed. The experimental results obtained in this project with a-doped UO{sub 2}, high burn-up spent fuel and MOX fuel together with literature data give a reliable background to use fractional alteration/dissolution rates for spent fuel of the order of 10{sup -6}/yr - 10{sup -8}/yr with a recommended value of 4x10{sup -7}/yr for dissolved hydrogen concentrations above 10{sup -3} M and Fe(II) concentrations typical for European repository concepts. Finally, based on a review of the experimental data and available literature data, potential mechanisms of the hydrogen effect are also discussed. The work reported in this document was performed as part of the Project SFS of the European Commission 5th Framework Programme under contract no FIKW-CT-2001-20192 SFS. It represents the deliverable D10 of the experimental work package 'Key experiments using a-doped UO{sub 2} and real spent fuel', coordinated by SKB with the participation of ITU, FZK-INE, ENRESA, CIEMAT, ARMINES-SUBATECH and SKB.

  9. 232Th、233U、238Pu、240Pu、242Pu、241Am、242Cm、243Cm和244Cm的裂变释放热能研究%Thermal Energy Released in Fission of 232 Th,233 U,238 Pu, 240 Pu,242 Pu,241 Am,242 Cm,243 Cm and 244 Cm

    Institute of Scientific and Technical Information of China (English)

    赵艳飞; 马续波; 陈义学

    2013-01-01

    In the nuclear reactor design ,the precise calculation of thermal fission energy is of great significance .In the pressurized water reactor ,high energy neutron-induced fission rarely occurs ,the isotopes including 233 U ,241 Am and 243 Cm are mostly induced by thermal neutrons ,while the other isotopes such as 232Th ,238Pu ,240Pu ,242Pu ,242Cm and 244 Cm are by fast neutron . In order to carry out this work , the nuclear data extracted from the latest evaluated nuclear data file (ENDF/B-Ⅶ ) were adopted ,and the energy-conservation law for the calculation of total fission energy were used , meanw hile ,with the consideration of capture energy and the correction of βand γ ,the thermal fission energy of nine isotopes was obtained .Compared with the data excerpted from IAEA issued WIMS-D database ,the results are reasonable .The thermal fission energy and its uncertainties of the nine isotopes are :(193.939 ± 0.176) MeV for 232 Th , (200.063 ± 0.084) MeV for 233 U ,(208.786 ± 1.133 ) MeV for 238 Pu ,(211.266 ± 0.220 ) MeV for 240 Pu ,(213.862 ± 0.299 ) MeV for 242 Pu ,(215.077 ± 0.210 ) MeV for 241 Am ,(218.821 ± 0.159) MeV for 242Cm ,(218.525 ± 0.388) MeV for 243Cm ,and (220.067 ± 0.131) MeV for 244 Cm ,respectively .%在核反应堆设计中,对每次裂变释放热能进行精确计算具有重要意义。在压水堆内,高能中子诱发核裂变份额很小,233 U、241 Am、243 Cm主要由热中子诱发裂变,232 T h、238 Pu、240 Pu、242 Pu、242 Cm、244 Cm主要由快中子诱发裂变。本文采用最新的核评价数据库 ENDF/B-Ⅶ,利用质量守恒法计算裂变释放总能,同时研究了中微子带走的能量,中子俘获能及β、γ修正项,最终给出了9种核素裂变释放热能。与IAEA颁布的WIMS-D格式数据库中的裂变释放热能数据的对比表明,本文所用方法计算结果合理。9种核素每次裂变释放热能分别为:232 Th ,(193.939±0.176) MeV ;233 U ,(200.063

  10. Measurement of neutron-induced fission cross-sections of Th232, U238, U233 and Np237 relative to U235 from 1 MeV to 200 MeV

    Energy Technology Data Exchange (ETDEWEB)

    Shcherbakov, O.A.; Laptev, A.B.; Petrov, G.A. [Petersburg Nuclear Physics Inst., Gatchina, Leningrad district (Russian Federation); Fomichev, A.V.; Donets, A.Y.; Osetrov, O.I.

    1998-11-01

    The measurements of neutron-induced cross-section ratios for Th232, U238, U233 and Np237 relative to U235 have been carried out in the energy range from 1 MeV up to 200 MeV using the neutron time-of-flight spectrometer GNEIS based on 1 GeV proton synchrocyclotron. Below 20 MeV, the results of present measurements are roughly in agreement with evaluated data though there are some discrepances to be resolved. (author)

  11. Preliminary results of calculations for heavy-water nuclear-power-plant reactors employing 235U, 233U, and 232Th as a fuel and meeting requirements of a nonproliferation of nuclear weapons

    Science.gov (United States)

    Ioffe, B. L.; Kochurov, B. P.

    2012-02-01

    A physical design is developed for a gas-cooled heavy-water nuclear reactor intended for a project of a nuclear power plant. As a fuel, the reactor would employ thorium with a small admixture of enriched uranium that contains not more than 20% of 235U. It operates in the open-cycle mode involving 233U production from thorium and its subsequent burnup. The reactor meets the conditions of a nonproliferation of nuclear weapons: the content of fissionable isotopes in uranium at all stages of the process, including the final one, is below the threshold for constructing an atomic bomb, the amount of product plutonium being extremely small.

  12. Vapor-liquid equilibrium data for the carbon dioxide and oxygen (CO2 + O2) system at the temperatures 218, 233, 253, 273, 288 and 298 K and pressures up to 14 MPa

    OpenAIRE

    Westman, Snorre Foss; Stang, Hans Georg Jacob; Løvseth, Sigurd W.; Austegard, Anders; Snustad, Ingrid; Ertesvåg, Ivar S.

    2015-01-01

    Accurate thermophysical data for the CO2-rich mixtures relevant for carbon capture, transport and storage (CCS) are essential for the development of the accurate equations of state (EOS) and models needed for the design and operation of the processes within CCS. Vapor-liquid equilibrium measurements for the binary system CO2+O2 are reported at 218, 233, 253, 273, 288 and 298 K, with estimated standard uncertainties of maximum 8 mK in temperature, maximum 3 kPa in pressure, and max...

  13. Measurement of the Neutron Capture Cross Sections of $^{233}$U, $^{237}$Np, $^{240,242}$Pu, $^{241,243}$Am and $^{245}$Cm with a Total Absorption Calorimeter at n_TOF

    CERN Multimedia

    Beer, H; Wiescher, M; Cox, J; Rapp, W; Embid, M; Dababneh, S

    2002-01-01

    Accurate and reliable neutron capture cross section data for actinides are necessary for the poper design, safety regulation and precise performance assessment of transmutation devices such as Fast Critical Reactors or Accelerator Driven Systems (ADS). The goal of this proposal is the measurement of the neutron capture cross sections of $^{233}$U, $^{237}$Np, $^{240,242}$Pu, $^{241,243}$Am and $^{245}$Cm at n_TOF with an accuracy of 5~\\%. $^{233}$U plays an essential role in the Th fuel cycle, which has been proposed as a safer and cleaner alternative to the U fuel cycle. The capture cross sections of $^{237}$Np,$^{240,242}$Pu, $^{241,243}$Am and $^{245}$Cm play a key role in the design and optimization of a strategy for the Nuclear Waste Transmutation. A high accuracy can be achieved at n_TOF in such measurements due to a combination of features unique in the world: high instantaneous neutron fluence and excellent energy resolution of the facility, innovative Data Acquisition System based on flash ADCs and t...

  14. 233例脐带绕颈分娩方式选择与围生儿预后的研究%Delivery the circulor ofumbilical cord of childbirth mode and perinatal stage of child's prognosis

    Institute of Scientific and Technical Information of China (English)

    周丽萍; 梁碧娜; 陈芳

    2010-01-01

    目的 探讨脐带绕颈分娩方式与围生儿预后的关系.方法 对2009年1-12月我院妇产科住院分娩233例脐带绕颈病例资料进行回顾性分析.结果 脐带绕颈以顺产占多数,脐带绕颈剖宫产组与顺产组围生儿结局差异无显著性(P>0.05).结论 脐带绕颈分娩方式以顺产占大多数,剖作为医生应当正确引导孕妇及家属选择顺产,以降低剖宫产率.%Objiective approaching the relations between circulor of umbilical cord's childbirth mode and perinatal stage of child's prognosis.Method analyses retrospectively 233 examples of circulor of umbilical cord which were in our department from 1 to 12 month in 2009.Result normal labor is majority in circulor of umbilical cord's childbirth, and there is no significant difference between uterineincision delivery class and normal labor class(P>0.05).Conclusion normal labor is majority in cireulor of umbilical cord's childbirth, doetors should guide gravidas and their family members to choice normal labor correctly and that would cut down the rate of uterine-incision delivery.

  15. Fase aguda da doença de Chagas na Amazônia brasileira: estudo de 233 casos do Pará, Amapá e Maranhão observados entre 1988 e 2005 Acute phase of Chagas disease in the Brazilian Amazon region: study of 233 cases from Pará, Amapá and Maranhão observed between 1988 and 2005

    Directory of Open Access Journals (Sweden)

    Ana Yecê das Neves Pinto

    2008-12-01

    Full Text Available Foram estudados 233 casos de fase aguda da doença de Chagas, oriundos do Pará, Amapá e Maranhão, observados no período de 1988 a 2005, cento e sessenta deles retrospectivamente de 1988 a 2002 e setenta e três prospectivamente de 2003 a 2005. Entre os casos estudados 78,5% (183/233 faziam parte de surtos provavelmente por transmissão oral, acometendo em média 4 pessoas e 21,5% (50/233 eram casos isolados. Foram considerados casos agudos aqueles que apresentaram exames parasitológicos diretos (a fresco, gota espessa ou Quantitative Buffy Coat - QBC e/ou IgM anti-Trypanosoma cruzi positivos. Foram feitos ainda xenodiagnósticos em 224 pacientes e hemoculturas em 213. Todos foram avaliados clinica e epidemiologicamente. As manifestações clínicas mais freqüentes foram febre (100%, cefaléia (92,3%, mialgia (84,1%, palidez (67%, dispnéia (58,4%, edema de membros inferiores (57,9%, edema de face (57,5% dor abdominal (44,2%, miocardite (39,9% e exantema (27%. O eletrocardiograma mostrou alterações de repolarização ventricular em 38,5% dos casos, baixa voltagem de QRS em 15,4% e desvio de SAQRS em 11,5%, extra-sístoles ventriculares em 5,8%, bradicardia em 5,8% e taquicardia em 5,8%, bloqueio de ramo direito em 4,8% e fibrilação atrial em 4,8%. A alteração mais freqüente vista no ecocardiograma foi o derrame pericárdico em 46,2% dos casos. Treze (5,6% pacientes evoluíram para o óbito, 10 (76,9% dos quais por comprometimento cardiovascular, dois por complicações de origem digestiva e um de causa mal definida.Two hundred and thirty-three cases of the acute phase of Chagas disease, from Pará, Amapá and Maranhão, were observed between 1988 and 2005. One hundred and sixty were studied retrospectively from 1988 to 2002 and seventy-three were prospectively followed up from 2003 to 2005. Among the cases studied, 78.5% (183/233 formed part of outbreaks, probably due to oral transmission (affecting a mean of 4 individuals, and 21

  16. Preliminary study of the {alpha} ratio measurement, ratio of the neutron capture cross section to the fission one for {sup 233}U, on the PEREN platform. Development and study of the experimental setup; Etude preliminaire de la mesure du rapport {alpha}, rapport de la section efficace moyenne de capture sur celle de fission de l'{sup 233}U, sur la plateforme PEREN. Developpement et etude du dispositif experimental

    Energy Technology Data Exchange (ETDEWEB)

    Cognet, M.A

    2007-12-15

    Producing nuclear energy in order to reduce anthropic CO{sub 2} emission and to meet high energy demand, implies three conditions to the nuclear plants of the IV. generation: safety improvements, radioactive waste minimization, and fuel breeding for a sustainable use of the resources. The Thorium fuel cycle used in Molten Salt Reactors seems promising. Many numerical studies based on probabilistic codes are carried out in order to analyse the behaviour of such reactors. Nevertheless, one of the most important parameters is badly known: the alpha ratio of {sup 233}U, ratio of the neutron capture cross section to fission one for {sup 233}U. This key-parameter is necessary to calculate the breeding ratio and thus, the deployment capacities of those reactors. This Ph-D thesis was intended to prepare a precise measurement of the alpha ratio of {sup 233}U between 1 eV and 10 keV. Preliminary measurements have been performed on the experimental platform PEREN. This experimental environment is composed of a lead slowing-down time spectrometer associated with an intense pulsed neutron generator. Capture and fission rates are measured thanks to eight scintillators with their photomultipliers, surrounding a fission chamber. A software analysis sets the coincidence rate between the scintillators. In order to understand perfectly the experimental setup, preliminary tests using a {sup 235}U fission chamber have been done. This experiment resulted in a very low signal to background ratio (1 %). The background coming from the scintillators themselves seriously handicapped the measurement. Another series of experiment has been done with scintillators 5 times thinner. Nevertheless, the signal to background ratio should still be increased to measure the capture of {sup 235}U. To make sure that the experimental setup has totally been understood, we made many comparisons between experimental results and simulations. Two simulation codes were mainly used: MCNP and GEANT4. We paid

  17. New measurements of (n,γ) and (n,fission) cross sections and capture-to-fission ratios for ^233,235U and ^239Pu using the DANCE 4π BaF2 array

    Science.gov (United States)

    Bredeweg, T. A.; Jandel, M.; Fowler, M. M.; Bond, E. M.; Haight, R. C.; Keksis, A. L.; O'Donnell, J. M.; Reifarth, R.; Rundberg, R. S.; Ullmann, J. L.; Vieira, D. J.; Wilhelmy, J. B.; Wouters, J. M.; Becker, J. A.; Parker, W. E.; Wu, C. Y.; Baker, J. D.; McGrath, C. A.

    2009-10-01

    Accurate neutron nuclear data are important to many issues in stockpile stewardship, nuclear reactor design and re-certification, nuclear non-proliferation and nuclear forensics. Of particular interest are the production and destruction reactions for all of the major and most of the minor actinides. The competition between capture and fission in many of the actinides presents both an obstacle and an opportunity for large γ detector arrays such as DANCE. Additional instrumentation is required to deconvolve the two contributions to the total observed γ-ray spectrum. However, conducting a simultaneous measurement can simplify background treatment and other sources of systematic uncertainty. An outline of the current experimental program will be presented along with results from neutron capture measurements on ^233,235U and ^239Pu.

  18. Concept of a demonstrational hybrid reactor—a tokamak with molten-salt blanket for {sup 233}U fuel production: 1. Concept of a stationary Tokamak as a neutron source

    Energy Technology Data Exchange (ETDEWEB)

    Azizov, E. A.; Gladush, G. G., E-mail: gladush@triniti.ru; Dokuka, V. N.; Khayrutdinov, R. R. [State Research Center of the Russian Federation, Troitsk Institute for Innovation and Fusion Research (Russian Federation)

    2015-12-15

    On the basis of current understanding of physical processes in tokamaks and taking into account engineering constraints, it is shown that a low-cost facility of a moderate size can be designed within the adopted concept. This facility makes it possible to achieve the power density of neutron flux which is of interest, in particular, for solving the problem of {sup 233}U fuel production from thorium. By using a molten-salt blanket, the important task of ensuring the safe operation of such a reactor in the case of possible coolant loss is accomplished. Moreover, in a hybrid reactor with the blanket based on liquid salts, the problem of periodic refueling that is difficult to perform in solid blankets can be solved.

  19. Concept of a demonstrational hybrid reactor—a tokamak with molten-salt blanket for 233U fuel production: 1. Concept of a stationary Tokamak as a neutron source

    Science.gov (United States)

    Azizov, E. A.; Gladush, G. G.; Dokuka, V. N.; Khayrutdinov, R. R.

    2015-12-01

    On the basis of current understanding of physical processes in tokamaks and taking into account engineering constraints, it is shown that a low-cost facility of a moderate size can be designed within the adopted concept. This facility makes it possible to achieve the power density of neutron flux which is of interest, in particular, for solving the problem of 233U fuel production from thorium. By using a molten-salt blanket, the important task of ensuring the safe operation of such a reactor in the case of possible coolant loss is accomplished. Moreover, in a hybrid reactor with the blanket based on liquid salts, the problem of periodic refueling that is difficult to perform in solid blankets can be solved.

  20. Divergent, stereoselective access to heterocyclic α,α-quaternary- and β(2,3,3)-amino acid derivatives from a N-Pmp-protected Orn-derived β-lactam.

    Science.gov (United States)

    Núñez-Villanueva, Diego; García-López, M Teresa; Martín-Martínez, Mercedes; González-Muñiz, Rosario

    2015-05-14

    A suitably protected Orn-derived (3S,4S)-β-lactam was used as common intermediate in the synthesis of conformationally constrained (3S,4S)-2-oxoazepane α,α- and (2S,3S)-2-oxopiperidine-β(2,3,3)-amino acid derivatives. Compared to alternative procedures using an N-p-methoxybenzyl group at the 2-azetidinone, the incorporation of a p-methoxyphenyl moiety is crucial for the excellent stereochemical outcomes in the preparation of these heterocyclic amino acids. Chemoselective 7- or 6-exo-trig cyclization was achieved through alternative sequences of Pmp-deprotection/Boc-activation, followed by inter- and intramolecular β-lactam ring opening, respectively.

  1. Proceedings of the NEANDC/NEACRP specialists meeting on fast neutron fission cross sections of U-233, U-235, U-238, and Pu-239, June 28--30, 1976, at Argonne National Laboratory

    Energy Technology Data Exchange (ETDEWEB)

    Poenitz, W P; Guenther, P T

    1976-01-01

    Data files of all available data of absolute cross section measurements of U-233, U-235, U-238 and Pu-239, and of the ratios of U-233, U-238, and Pu-239 to U-235 were assembled at Argonne National Laboratory for use by the two Working Groups. The data files of absolute cross sections included also data measured relative to one of the standard cross sections H(n,n), Li-6(n,..cap alpha..), and B-10(n,..cap alpha..), and the ratio data files included ratios derived from absolute values which were measured in an identical type of experiment by the same group of experimenters. The subject files (e.g., U-235-Absolute, or U-238/U-235-Ratio, etc.) consisted of ''Sets.'' These sets contained the data from one experimental group which may have been published at different times. The assembling of the files was started with an extract from the CSISRS data files of the National Neutron Cross Section Center at the Brookhaven National Laboratory. Ratios were derived from quoted consistent sets of absolute cross sections, or from data which were actually measured as ratios but quoted as absolute values. The latter type of data was eliminated from the data files on absolute values. The files were improved by an extensive search for errors and data missing on the original CSISRS files at the time the extract was made. Other additions to the present subject files came from presentations made at this meeting and are described in the proceedings.

  2. Brad Patterson, Tom Brooking, and Jim McAloon, Unpacking the Kist: The Scots in New Zealand. McGill-Queen's Studies in Ethnic History Series, No. 2.33. Montreal: McGill-Queen’s University Press, 2013. Pp. 412. ISBN 978-0-7735-4190-0. CAD $100.00.

    Directory of Open Access Journals (Sweden)

    Seán Gerard Brosnahan

    2014-11-01

    Full Text Available Brad Patterson, Tom Brooking, and Jim McAloon, Unpacking the Kist: The Scots in New Zealand. McGill-Queen's Studies in Ethnic History Series, No. 2.33. Montreal: McGill-Queen’s University Press, 2013. Pp. 412. ISBN 978-0-7735-4190-0. CAD $100.00.

  3. Synthesis, crystal structures and characterization of two novel organic-inorganic hybrid compounds (C5NH6)6Bi4Br18 and [C(NH2)3]3BiI6

    Science.gov (United States)

    Li, S. G.; Chen, L.; Xiang, Y.

    2017-02-01

    Two novel organic-inorganic compounds (C5NH6)6Bi4Br18 (1) and [C(NH2)3]3BiI6 (2) have been synthesized and characterized by elemental analysis, measured by DSC and single-crystal X-ray diffraction at room temperature. The crystal structure of (1) crystallizes in the monoclinic space group C2/m, with a = 17.12 (3), b = 15.3939 (1), c = 13.412 (2) Å, β = 123.702 (7)°, V = 3042.2 (8) Å3 and Z = 2. The crystal structure consists of discrete quad-core [Bi4Br18]6- anions and [C5NH6]+ cations. 2 crystallizes in triclinic space group P-1, with the following unit cell parameters: a = 9.3435 (2), b = 15.583 (4), c = 17.200 (4) Å, α = 86.383 (1), β = 75.689 (1), γ = 89.918 (6)°, V = 2421.5 (10) Å3 and Z = 4. The crystal lattice is composed of discrete [BiI6]3- anions surrounded by [C(NH2)3]+ cations. The DSC experiment of 1 clearly displays that a phase transition occurred at 124.7 K, while 2 undergoes a phase transition at 192.5 K.

  4. Co-occurrence of non-mosaic trisomy 22 and inherited balanced t(4;6)(q33;q23.3) in a liveborn female: case report and review of the literature.

    Science.gov (United States)

    Kehinde, Folasade I; Anderson, Carol E; McGowan, Jane E; Jethva, Reena N; Wahab, Mohammed A; Glick, Adina R; Sterner, Mark R; Pascasio, Judy M; Punnett, Hope H; Liu, Jinglan

    2014-12-01

    Trisomy 22 is the third most common autosomal trisomy occurring in about 0.4% of all clinically recognized pregnancies. Complete non-mosaic trisomy 22 is extremely rare in live births. Most affected children die before one year of age. To date, only 29 liveborn cases have been reported and none has carried an additional genetic lesion. In this report, we describe the clinical presentation, cytogenetic, and cytogenomic findings in a liveborn female with complete non-mosaic trisomy 22 as well as a paternally inherited, balanced reciprocal chromosomal rearrangement t(4;6)(q33;q23.3). The proband manifested features commonly seen in individuals with non-mosaic trisomy 22 such as intrauterine growth retardation (IUGR), single umbilical artery, cranial abnormalities, short neck, cleft lip and palate, dysmorphic ears, hypoplastic nipples, digital malformation, congenital heart defects, dysplastic kidneys, and genital anomalies. In addition, she had lobar holoprosencephaly, aqueductal stenosis, and limb and eye problems that have not been associated with complete trisomy 22 in previous reports. She died at 35 days of age of complex heart disease and renal failure. We are hereby expanding the cytogenetic and clinical spectrum of this rare chromosome disorder. Clinical features of liveborn children with non-mosaic trisomy 22 are reviewed and compared to those in our proband. The impact of genomic content in relation to the survival of trisomies in humans is also discussed.

  5. A novel tRNA variable number tandem repeat at human chromosome 1q23.3 is implicated as a boundary element based on conservation of a CTCF motif in mouse.

    Science.gov (United States)

    Darrow, Emily M; Chadwick, Brian P

    2014-06-01

    The human genome contains numerous large tandem repeats, many of which remain poorly characterized. Here we report a novel transfer RNA (tRNA) tandem repeat on human chromosome 1q23.3 that shows extensive copy number variation with 9-43 repeat units per allele and displays evidence of meiotic and mitotic instability. Each repeat unit consists of a 7.3 kb GC-rich sequence that binds the insulator protein CTCF and bears the chromatin hallmarks of a bivalent domain in human embryonic stem cells. A tRNA containing tandem repeat composed of at least three 7.6-kb GC-rich repeat units reside within a syntenic region of mouse chromosome 1. However, DNA sequence analysis reveals that, with the exception of the tRNA genes that account for less than 6% of a repeat unit, the remaining 7.2 kb is not conserved with the notable exception of a 24 base pair sequence corresponding to the CTCF binding site, suggesting an important role for this protein at the locus.

  6. Measurement and calculation of absolute single- and double-charge-exchange cross sections for O6 + ions at 1.17 and 2.33 keV/u impacting He and H2

    Science.gov (United States)

    Machacek, J. R.; Mahapatra, D. P.; Schultz, D. R.; Ralchenko, Yu.; Chutjian, A.; Simcic, J.; Mawhorter, R. J.

    2014-11-01

    Absolute single- and double-charge-exchange cross sections for the astrophysically prominent O6 + ion with the atomic and molecular targets He and H2 are reported. These collisions give rise to x-ray emissions in the interplanetary medium, planetary atmospheres, and comets as they approach the sun. Measurements have been carried out using the Caltech Jet Propulsion Laboratory electron cyclotron resonance ion source with O6 + at energies of 1.17 and 2.33 keV/u characteristic of the slow and fast components of the solar wind. Absolute charge-exchange (CE) data are derived from knowledge of the target gas pressure, target path length, incident ion current, and charge-exchanged ion currents. These data are compared with results obtained using the n -electron classical trajectory Monte Carlo method. The radiative and Auger evolution of ion populations following one- and two-electron transfers is calculated with the time-dependent collisional-radiative code nomad using atomic data from the flexible atomic code. Calculated CE emission spectra for 100 Å <λ <1400 Å are reported as well and compared with experimental sublevel spectra and cross sections.

  7. Job Intentions in Community Nursing and Its Driving Factor among Nursing Students%233名护生社区护理就业意向及驱动因素分析

    Institute of Scientific and Technical Information of China (English)

    涂丽娟; 张平; 孔令磷

    2012-01-01

    Objective To understand job intentions in coiTimunity nursing and its driving factors among nursing students and to provide guidance for community nursing. Methods A self-designed questionnaire was applied among 233 nursing students about job intention, its driving factors and employment autonomy. Results Of the total. 47,2% students showed willingness to work in community health center and there existed difference among students with different educational background and nursing experience (P<0.05 or P<0.03.). Driving factor of students' willingness to work in community nursing included pressure of employment, cognition of community nursing and personal ambition. Difference of employment autonomy showed statistic significance among nursing students with, low employment autonomy, those from different birthplaces and those with nursing experience and those without (P<0.01). Conclusion The job intentions in community nursing among nursing students keeps in moderate level. There exist differences among job intentions, form and employment autonomy. Teaching reform and employment guidance in community nursing should be enhanced.%目的 了解不同类别护生的社区就业意向及驱动因素,以期为社区护理教学及社区护理就业指导提供参考.方法 运用自制问卷对233 名护理本、专科学生进行问卷调查,内容包括社区就业意向,愿意、不愿意到社区就业的驱动因素及就业决策自主性等.结果 47.2%的护生表示愿意从事社区护理工作,本、专科护生之间、是否有实习经历的护生之间差异有统计学意义(P<0.05 或P<0.01);就业压力、对社区护理工作的认知、个人志向是护生从事社区护理工作的主要驱动因素;护生就业决策自主性不高,不同生源地护生、是否有实习经历护生决策自主性差异有统计学意义(P<0.01).结论 地方院校护生社区就业积极性为中等水平,不同类型护生的就业意愿、形式及决策自主性有

  8. 45 CFR 233.80 - Disability.

    Science.gov (United States)

    2010-10-01

    ... CHILDREN AND FAMILIES, DEPARTMENT OF HEALTH AND HUMAN SERVICES COVERAGE AND CONDITIONS OF ELIGIBILITY IN... or XVI of the Social Security Act must: (1) Contain a definition of permanently and totally disabled... occupations within his competence, such as holding a job. Under this definition: “Permanently” refers to...

  9. 45 CFR 233.60 - Institutional status.

    Science.gov (United States)

    2010-10-01

    ... patient in an institution for tuberculosis or mental diseases. (ii) Federal financial participation under..., or a patient in an institution for tuberculosis or mental diseases; (ii) Whether an institution is one for tuberculosis or mental diseases will be determined by whether its overall character is that...

  10. 37 CFR 2.33 - Verified statement.

    Science.gov (United States)

    2010-07-01

    ... behalf of the applicant under § 2.193(e)(1). (b)(1) In an application under section 1(a) of the Act, the... likely, when applied to the goods or services of the other person, to cause confusion or mistake, or to... 44 of the Act, the verified statement must allege: That the applicant has a bona fide intention...

  11. 40 CFR 233.70 - Michigan.

    Science.gov (United States)

    2010-07-01

    ... susceptible for use in their natural condition or by reasonable improvement as a means to transport interstate... December 9, 1983. (2) The Memorandum of Agreement between the U.S. Army Corps of Engineers and the...

  12. TMFunction data: 233 [TMFunction[Archive

    Lifescience Database Archive (English)

    Full Text Available Biol Chem. 2000 Jul 14;275(28):21017-24 mutagenesis ... affinity chromatography 1AJJ ... LDLR_HUMAN (P01130) Helix ... ligand binding site; surface exposed; acidic residue; conserved

  13. 34 CFR 668.233 - Student eligibility.

    Science.gov (United States)

    2010-07-01

    ..., DEPARTMENT OF EDUCATION STUDENT ASSISTANCE GENERAL PROVISIONS Financial Assistance for Students With... evaluation and diagnosis of an intellectual disability by a psychologist or other qualified professional;...

  14. 233西番莲%Passionflower1

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

    @@ 又名 Apricot Vine, Corona De Cristo, Fleischfarbige, Fleur De La Passion, Flor De Passion, Madre Selva, Maypop, Maypop Passion Flower, Passiflora, Passiflorae herba, Passiflore, Passiflorina, Passion Flower, Passion Vine, Passionaria, Passionblume, Passionflower Herb, Passionsblumenkraut,Purple Passion Flower, Water Lemon, Wild Passion Flower.

  15. 39 CFR 233.3 - Mail covers.

    Science.gov (United States)

    2010-07-01

    ... avoid prosecution for a crime, to avoid punishment for a crime, or to avoid giving testimony in a criminal proceeding. (6) Crime, for the purposes of this section, is any commission of an act or the..., (ii) Locate a fugitive, (iii) Obtain evidence of commission or attempted commission of a crime,...

  16. 45 CFR 233.70 - Blindness.

    Science.gov (United States)

    2010-10-01

    ... Regulations Relating to Public Welfare OFFICE OF FAMILY ASSISTANCE (ASSISTANCE PROGRAMS), ADMINISTRATION FOR CHILDREN AND FAMILIES, DEPARTMENT OF HEALTH AND HUMAN SERVICES COVERAGE AND CONDITIONS OF ELIGIBILITY IN... necessary when both eyes are missing. (ii) Where an initial eye examination or re-examination is...

  17. 40 CFR 233.21 - General permits.

    Science.gov (United States)

    2010-07-01

    ... apply for an individual permit. This discretionary authority will be based on concerns for the aquatic... the discharger of his decision to exercise discretionary authority to require an individual...

  18. 12 CFR 233.2 - Definitions.

    Science.gov (United States)

    2010-01-01

    ... to win a lottery or other prize (which opportunity to win is predominantly subject to chance); (3... defined in 28 U.S.C. 3701) and that meets the following conditions: (A) All prizes and awards offered to... participants and are determined predominantly by accumulated statistical results of the performance...

  19. 48 CFR 52.233-1 - Disputes.

    Science.gov (United States)

    2010-10-01

    .... (c) Claim, as used in this clause, means a written demand or written assertion by one of the... demand or written assertion by the Contractor seeking the payment of money exceeding $100,000 is not a... to use alternative dispute resolution (ADR). If the Contractor refuses an offer for ADR,...

  20. Overexpression of the catalytically impaired Taspase1 T234V or Taspase1 D233A variants does not have a dominant negative effect in T(4;11 leukemia cells.

    Directory of Open Access Journals (Sweden)

    Carolin Bier

    Full Text Available BACKGROUND: The chromosomal translocation t(4;11(q21;q23 is associated with high-risk acute lymphoblastic leukemia of infants. The resulting AF4•MLL oncoprotein becomes activated by Taspase1 hydrolysis and is considered to promote oncogenic transcriptional activation. Hence, Taspase1's proteolytic activity is a critical step in AF4•MLL pathophysiology. The Taspase1 proenzyme is autoproteolytically processed in its subunits and is assumed to assemble into an αββα-heterodimer, the active protease. Therefore, we investigated here whether overexpression of catalytically inactive Taspase1 variants are able to interfere with the proteolytic activity of the wild type enzyme in AF4•MLL model systems. METHODOLOGY/FINDINGS: The consequences of overexpressing the catalytically dead Taspase1 mutant, Taspase1(T234V, or the highly attenuated variant, Taspase1(D233A, on Taspase1's processing of AF4•MLL and of other Taspase1 targets was analyzed in living cancer cells employing an optimized cell-based assay. Notably, even a nine-fold overexpression of the respective Taspase1 mutants neither inhibited Taspase1's cis- nor trans-cleavage activity in vivo. Likewise, enforced expression of the α- or β-subunits showed no trans-dominant effect against the ectopically or endogenously expressed enzyme. Notably, co-expression of the individual α- and β-subunits did not result in their assembly into an enzymatically active protease complex. Probing Taspase1 multimerization in living cells by a translocation-based protein interaction assay as well as by biochemical methods indicated that the inactive Taspase1 failed to assemble into stable heterocomplexes with the wild type enzyme. CONCLUSIONS: Collectively, our results demonstrate that inefficient heterodimerization appears to be the mechanism by which inactive Taspase1 variants fail to inhibit wild type Taspase1's activity in trans. Our work favours strategies targeting Taspase1's catalytic activity

  1. Radium-228 analysis of natural waters by Cherenkov counting of Actinium-228

    Energy Technology Data Exchange (ETDEWEB)

    Aleissa, Khalid A.; Almasoud, Fahad I.; Islam, Mohammed S. [Atomic Energy Research Institute, King Abdul Aziz City for Science and Technology, P.O. Box 6086, Riyadh 11442 (Saudi Arabia); L' Annunziata, Michael F. [IAEA Expert, Montague Group, P.O. Box 5033, Oceanside, CA 92052-5033 (United States)], E-mail: mlannunziata@cox.net

    2008-12-15

    The activities of {sup 228}Ra in natural waters were determined by the Cherenkov counting of the daughter nuclide {sup 228}Ac. The radium was pre-concentrated on MnO{sub 2} and the radium purified via ion exchange and, after a 2-day period of incubation to allow for secular equilibrium between the parent-daughter {sup 228}Ra({sup 228}Ac), the daughter nuclide {sup 228}Ac was isolated by ion exchange according to the method of Nour et al. [2004. Radium-228 determination of natural waters via concentration on manganese dioxide and separation using Diphonix ion exchange resin. Appl. Radiat. Isot. 61, 1173-1178]. The Cherenkov photons produced by {sup 228}Ac were counted directly without the addition of any scintillation reagents. The optimum Cherenkov counting window, sample volume, and vial type were determined experimentally to achieve optimum Cherenkov photon detection efficiency and lowest background count rates. An optimum detection efficiency of 10.9{+-}0.1% was measured for {sup 228}Ac by Cherenkov counting with a very low Cherenkov photon background of 0.317{+-}0.013 cpm. The addition of sodium salicylate into the sample counting vial at a concentration of 0.1 g/mL yielded a more than 3-fold increase in the Cherenkov detection efficiency of {sup 228}Ac to 38%. Tests of the Cherenkov counting technique were conducted with several water standards of known activity and the results obtained compared closely with a conventional liquid scintillation counting technique. The advantages and disadvantages of Cherenkov counting compared to liquid scintillation counting methods are discussed. Advantages include much lower Cherenkov background count rates and consequently lower minimal detectable activities for {sup 228}Ra and no need for expensive environmentally unfriendly liquid scintillation cocktails. The disadvantages of the Cherenkov counting method include the need to measure {sup 228}Ac Cherenkov photon detection efficiency and optimum Cherenkov counting volume, which are not at all required when liquid scintillation analysis is used.

  2. Radium-228 analysis of natural waters by Cherenkov counting of Actinium-228.

    Science.gov (United States)

    Aleissa, Khalid A; Almasoud, Fahad I; Islam, Mohammed S; L'Annunziata, Michael F

    2008-12-01

    The activities of (228)Ra in natural waters were determined by the Cherenkov counting of the daughter nuclide (228)Ac. The radium was pre-concentrated on MnO(2) and the radium purified via ion exchange and, after a 2-day period of incubation to allow for secular equilibrium between the parent-daughter (228)Ra((228)Ac), the daughter nuclide (228)Ac was isolated by ion exchange according to the method of Nour et al. [2004. Radium-228 determination of natural waters via concentration on manganese dioxide and separation using Diphonix ion exchange resin. Appl. Radiat. Isot. 61, 1173-1178]. The Cherenkov photons produced by (228)Ac were counted directly without the addition of any scintillation reagents. The optimum Cherenkov counting window, sample volume, and vial type were determined experimentally to achieve optimum Cherenkov photon detection efficiency and lowest background count rates. An optimum detection efficiency of 10.9+/-0.1% was measured for (228)Ac by Cherenkov counting with a very low Cherenkov photon background of 0.317+/-0.013cpm. The addition of sodium salicylate into the sample counting vial at a concentration of 0.1g/mL yielded a more than 3-fold increase in the Cherenkov detection efficiency of (228)Ac to 38%. Tests of the Cherenkov counting technique were conducted with several water standards of known activity and the results obtained compared closely with a conventional liquid scintillation counting technique. The advantages and disadvantages of Cherenkov counting compared to liquid scintillation counting methods are discussed. Advantages include much lower Cherenkov background count rates and consequently lower minimal detectable activities for (228)Ra and no need for expensive environmentally unfriendly liquid scintillation cocktails. The disadvantages of the Cherenkov counting method include the need to measure (228)Ac Cherenkov photon detection efficiency and optimum Cherenkov counting volume, which are not at all required when liquid scintillation analysis is used.

  3. Purification of selenium from thorium, uranium, radium, actinium and potassium impurities for low background measurements

    Energy Technology Data Exchange (ETDEWEB)

    Rakhimov, A.V. [Joint Institute for Nuclear Research (JINR), Dubna (Russian Federation); Uzbek Academy of Sciences, Tashkent (Uzbekistan). Inst. of Nuclear Physics (INP AS RUz); Warot, G. [CEA-CNRS, Modane (France). Laboratoire Souterrain de Modane (LSM); Karaivanov, D.V. [Joint Institute for Nuclear Research (JINR), Dubna (Russian Federation); Institute for Nuclear Research and Nuclear Energy (INRNE), Sofia (Bulgaria); Kochetov, O.I.; Lebedev, N.A.; Filosofov, D.V. [Joint Institute for Nuclear Research (JINR), Dubna (Russian Federation); Mukhamedshina, N.M.; Sadikov, I.I. [Uzbek Academy of Sciences, Tashkent (Uzbekistan). Inst. of Nuclear Physics (INP AS RUz)

    2013-07-01

    A technique of selenium purification from {sup 232}Th, {sup 238}U, {sup 226,228}Ra, {sup 227}Ac and {sup 40}K was developed. This technique is simple to perform and employs a minimum number of highly pure reagents (bidistilled water, nitric acid). Operations carried out during purification (elution, evaporation) practically exclude losses of the target product (chemical yields of Se > 99%). A test purification of 100 g of selenium was carried out using this technique. The efficiency of this technique was confirmed by low background gamma spectrometry of the purified selenium sample. Distribution coefficients of Th, U, Ra and Ac on DOWEX 50W- x 8 cation-exchange resin at different concentrations of selenium and nitric acid were experimentally determinated. Instrumental neutron activation analysis of bidistilled water, deionized water and nitric acid was performed. (orig.)

  4. Purification of radium-226 for the manufacturing of actinium-225 in a cyclotron for alpha-immunotherapy; Radium-Aufreinigung zur Herstellung von Actinium-225 am Zyklotron fuer die Alpha-Immuntherapie

    Energy Technology Data Exchange (ETDEWEB)

    Marx, Sebastian Markus

    2014-09-23

    The thesis describes the development of methods for the purification of Ra-226. The objective was to obtain the radionuclide in the quality that is needed to be used as starting material in the manufacturing process for Ac-225 via proton-irradiated Ra-226. The radionuclide has been gained efficiently out of huge excesses of impurities. The high purity of the obtained radium affords its use as staring material in a pharmaceutical manufacturing process.

  5. Renal uptake of bismuth-213 and its contribution to kidney radiation dose following administration of actinium-225-labeled antibody

    Energy Technology Data Exchange (ETDEWEB)

    Schwartz, J; O' Donoghue, J A; Humm, J L [Department of Medical Physics, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 (United States); Jaggi, J S [Bristol-Myers Squibb, Plainsboro, NJ (United States); Ruan, S; Larson, S M [Nuclear Medicine Service Department of Radiology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10065 (United States); McDevitt, M; Scheinberg, D A, E-mail: schwarj1@mskcc.org [Molecular Pharmacology and Chemistry, Sloan-Kettering Institute, 1275 York Avenue, New York, NY 10065 (United States)

    2011-02-07

    Clinical therapeutic studies using {sup 225}Ac-labeled antibodies have begun. Of major concern is renal toxicity that may result from the three alpha-emitting progeny generated following the decay of {sup 225}Ac. The purpose of this study was to determine the amount of {sup 225}Ac and non-equilibrium progeny in the mouse kidney after the injection of {sup 225}Ac-huM195 antibody and examine the dosimetric consequences. Groups of mice were sacrificed at 24, 96 and 144 h after injection with {sup 225}Ac-huM195 antibody and kidneys excised. One kidney was used for gamma ray spectroscopic measurements by a high-purity germanium (HPGe) detector. The second kidney was used to generate frozen tissue sections which were examined by digital autoradiography (DAR). Two measurements were performed on each kidney specimen: (1) immediately post-resection and (2) after sufficient time for any non-equilibrium excess {sup 213}Bi to decay completely. Comparison of these measurements enabled estimation of the amount of excess {sup 213}Bi reaching the kidney ({gamma}-ray spectroscopy) and its sub-regional distribution (DAR). The average absorbed dose to whole kidney, determined by spectroscopy, was 0.77 (SD 0.21) Gy kBq{sup -1}, of which 0.46 (SD 0.16) Gy kBq{sup -1} (i.e. 60%) was due to non-equilibrium excess {sup 213}Bi. The relative contributions to renal cortex and medulla were determined by DAR. The estimated dose to the cortex from non-equilibrium excess {sup 213}Bi (0.31 (SD 0.11) Gy kBq{sup -1}) represented {approx}46% of the total. For the medulla the dose contribution from excess {sup 213}Bi (0.81 (SD 0.28) Gy kBq{sup -1}) was {approx}80% of the total. Based on these estimates, for human patients we project a kidney-absorbed dose of 0.28 Gy MBq{sup -1} following administration of {sup 225}Ac-huM195 with non-equilibrium excess {sup 213}Bi responsible for approximately 60% of the total. Methods to reduce renal accumulation of radioactive progeny appear to be necessary for the success of {sup 225}Ac radioimmunotherapy.

  6. Production of actinium, thorium and radium isotopes from natural thorium irradiated with protons up to 141 MeV

    Energy Technology Data Exchange (ETDEWEB)

    Ermolaev, S.V.; Zhuikov, B.L.; Kokhanyuk, V.M.; Matushko, V.L. [Russian Academy of Sciences, Moscow (Russian Federation). Inst. of Nuclear Research; Kalmykov, S.N. [Lomonosov Moscow State Univ., Moscow (Russian Federation). Chemistry Dept.; Aliev, R.A. [Lomonosov Moscow State Univ., Moscow (Russian Federation). Skobeltsyn Inst. of Nuclear Physics; Tananaev, I.G.; Myasoedov, B.F. [Russian Academy of Sciences, Moscow (Russian Federation). A.N. Frumkin Inst. of Physical Chemistry and Electrochemistry

    2012-07-01

    Cross sections of {sup 225}Ac, {sup 227}Ac, {sup 227}Th and {sup 228}Th in thorium-232 targets irradiated with protons in the energy range 21-141 MeV have been measured. Based on these data, production yields of {sup 225}Ac and {sup 223}Ra in thick thorium targets have been calculated. It is possible to produce in proton energy range 60-140 MeV about 96 GBq (2.6 Ci) {sup 225}Ac per 10-d irradiation with 100 {mu}A proton beam current and 10-d decay, and much higher amount of {sup 223}Ra. The impurities of {sup 227}Ac and {sup 224}Ra are important and need to be assessed for further medical applications. (orig.)

  7. An 8.9 Mb 19p13 duplication associated with precocious puberty and a sporadic 3.9 Mb 2q23.3q24.1 deletion containing NR4A2 in mentally retarded members of a family with an intrachromosomal 19p-into-19q between-arm insertion.

    Science.gov (United States)

    Lybaek, Helle; Ørstavik, Karen Helene; Prescott, Trine; Hovland, Randi; Breilid, Harald; Stansberg, Christine; Steen, Vidar Martin; Houge, Gunnar

    2009-07-01

    In a 2 and a half-year-old girl with onset of puberty before the age of 5 months, short stature, hand anomalies and severe mental retardation, an 8.9 Mb interstitial 19p13 duplication containing 215 predicted genes was detected. It was initially assumed that the duplication involved the kisspeptin receptor gene, GPR54, known to stimulate induction of puberty, but more refined duplication mapping excluded this possibility. In an attempt to further understand the genotype-phenotype correlation, global gene expression was measured in skin fibroblasts. The overall expression pattern was quite similar to controls, and only about 25% of the duplicated genes had an expression level that was increased by more than 1.3-fold, with no obvious changes that could explain the precocious puberty. The proband's mother carried a balanced between-arm insertion of the duplicated segment that resembled a pericentric inversion. The same insertion was found in several other family members, including one who had lost a daughter with severe mental retardation and menarche at the age of 10 years. Another close relative was severely mentally retarded, but neither dysmorphic nor microcephalic. His phenotype was initially ascribed to a presumed cryptic chromosome 19 imbalance caused by the 19p-into19q insertion, but subsequent array-CGH detected a 3.9-Mb deletion of 2q23.3q24.1. This novel microdeletion involves seven genes, of which FMNL2, a suggested regulator of Rho-GTPases, and NR4A2, an essential gene for differentiation of dopaminergic neurons, may be critical genes for the proposed 2q23q24 microdeletion syndrome.

  8. Dicty_cDB: AFN233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available isqem* cryscistih**n*titleiynnll*fkylynr*tkl*snskinv*n*ykrvingfsfti nyyt**ckd*stsnvtisyc*sd*ssl*sl*fsimcre...GLDDTLASR EEINKTLMLKISSIFLNFGLKLEKVEI--- ---*snskinv*n*ykrvingfsftinyyt**ckd*stsnvtisyc*sd*ssl*sl*fsi mcre...igsnitkinhw*ygfr*yfslk rgn**ninvkd**ylfkfws*irks*n--- ---ik*lkn*cikliqesh*wiflynqll...igsnitkinhw*ygfr*yfslkrgn**ninvkd**ylfkfws*irks*nfrnftft insrcitftnfirtct*skcnfsrrf

  9. 40 CFR 233.53 - Withdrawal of program approval.

    Science.gov (United States)

    2010-07-01

    ... 22 are applicable to proceedings under this paragraph: (A) Section 22.02—(use of number/gender); (B... memorandum or other communication addressed to the Administrator, the Regional Administrator, the Regional... memorandum or communication. (C) Intervention—(1) Motion. A motion for leave to intervene in any...

  10. 45 CFR 233.31 - Budgeting methods for AFDC.

    Science.gov (United States)

    2010-10-01

    ... Public Welfare Regulations Relating to Public Welfare OFFICE OF FAMILY ASSISTANCE (ASSISTANCE PROGRAMS), ADMINISTRATION FOR CHILDREN AND FAMILIES, DEPARTMENT OF HEALTH AND HUMAN SERVICES COVERAGE AND CONDITIONS OF... agency's reasonable expectation and knowledge of current, past or future circumstances. (2)...

  11. 39 CFR 233.2 - Circulars and rewards.

    Science.gov (United States)

    2010-07-01

    ... threatening communications, actual or simulated weapons of mass destruction, dangerous chemicals or biological... reserves the right to reject a claim for reward where there has been collusion, criminal involvement, or... collected by the Postal Service as a result of civil or criminal proceedings to recover losses or...

  12. Systems Requirement Document for the MSRE U-233 Conversion System

    Energy Technology Data Exchange (ETDEWEB)

    Aigner, R.D.

    2001-01-11

    The fissile material reclamation activities for the MSRE remediation project include the removal and recovery of uranium from the off-gas system, from the stored fuel salt, and finally, from the uranium-laden charcoal in the Auxiliary Charcoal Bed (ACB). Each of these operations produces an uranium/fluoride compound that is not suitable for long-term storage. The uranium-fluoride compounds can be stored for a limited period of time in pressure vessels. The interim-storage vessels are designed to handle the internal pressure buildup from gases formed by radiolysis of the uranium-fluoride compounds. The conversion process will take the pressurized vessels from interim storage and process the materials in a hot cell located at Building 4501. The gas in the vessels will be vented through chemical traps and then the traps will be processed to convert the various uranium-fluoride compounds to a stable uranium oxide form. This will be done one trap at a time. The chemical form of uranium being extracted from the off-gas system and from fuel salt fluorination process is uranium hexafluoride UF{sub 6}. During the operations at MSRE, the UF{sub 6} is chemisorbed onto sodium fluoride (NaF) traps where it forms the complex, 2NaF{center_dot}UF{sub 6}. The conversion process that will be installed in the Building 4501 Hot Cell D will recover the UF{sub 6} from the NaF traps by decomposition of the binary complex at elevated temperatures (>300 C). After the uranium is extracted from the NaF traps, it is collected in the conversion process reaction vessel. The reaction vessel is then hydrolized and heated through several step operations up to 900 C in order to convert the material to a stable uranium oxide. The ACB at MSRE contains uranium-laden charcoal with unstable C{sub x}F compounds. After extraction at MSRE, this material will be delivered to Building 4501 Hot Cell D for processing to a stable oxide. The charcoal conversion process is still under development, with mockup and full scale testing of the proposed flow sheet funded in FY 99 and FY 00. The uranium-laden charcoal has been pre-treated with ammonia to prevent the deflagration of the C{sub x}F if localized heating (>{approximately}150 C) occurs during the charcoal removal process. Prior to removal, the treatment will be performed a second time to denature the 1 to 5% reformation of C{sub x}F that has occurred due to radiolysis of NH{sub 4}F. The uranium-laden charcoal will be physically extracted and stored in several pressure vessels at MSRE until the conversion process is designed and installed in Hot Cell A in Building 4501.

  13. 45 CFR 233.50 - Citizenship and alienage.

    Science.gov (United States)

    2010-10-01

    ...), ADMINISTRATION FOR CHILDREN AND FAMILIES, DEPARTMENT OF HEALTH AND HUMAN SERVICES COVERAGE AND CONDITIONS OF... Conditional Entrant Refugees. (3) Section 208—Aliens Granted Political Asylum by the Attorney General....

  14. Dicty_cDB: VFE233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available 1 BD183626 |BD183626.1 Material for diagnosing malaria and immune antigen for suppressing growth of plasmodium.... 76 6e-61 10 BD183625 |BD183625.1 Material for diagnosing malaria and immune antigen for suppressing growth of plasmodium

  15. 39 CFR 233.7 - Forfeiture authority and procedures.

    Science.gov (United States)

    2010-07-01

    ... property is completed, it appears that the proceeds of sale will not be sufficient to pay the costs of sale... related crimes, unless the arrestee was acquitted or the charges were dismissed for lack of evidence; a conviction for a related crime or completion of sentence within ten years of the acquisition of the...

  16. Dicty_cDB: CHG233 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available 863585.1 kx46a06.y1 Parastrongyloides trichosuri FL pAMP1 v1 Chiapelli McCarter Parastrongyloides trichosuri...1e-21 4 BI863575 |BI863575.1 kx45h07.y1 Parastrongyloides trichosuri FL pAMP1 v1 Chiapelli McCarter Parastrongyloides... BI451383 |BI451383.1 kx23e09.y1 Parastrongyloides trichosuri FL pAMP1 v1 Chiapelli McCarter Parastrongylo...ides trichosuri cDNA 5' similar to SW:EF2_CAEEL P29691 ELONGATION FACTOR 2 ;, mRNA ..., complete cds. 159 e-117 8 X15386 |X15386.1 Dictyostelium discoideum H6 gene mRNA. 155 3e-38 2 BI863585 |BI

  17. 42 CFR 456.233 - Initial continued stay review date.

    Science.gov (United States)

    2010-10-01

    ... assigns the initial continued stay review date within 1 working day after the mental hospital is notified... SERVICES (CONTINUED) MEDICAL ASSISTANCE PROGRAMS UTILIZATION CONTROL Utilization Control: Mental Hospitals... must provide that— (a) When a recipient is admitted to the mental hospital under admission...

  18. 45 CFR 233.90 - Factors specific to AFDC.

    Science.gov (United States)

    2010-10-01

    ... physical or mental injury, sexual abuse or exploitation, or negligent treatment or maltreatment of such child, under circumstances which indicate the child's health or welfare is threatened, the State or...), ADMINISTRATION FOR CHILDREN AND FAMILIES, DEPARTMENT OF HEALTH AND HUMAN SERVICES COVERAGE AND CONDITIONS...

  19. 16 CFR 233.1 - Former price comparisons.

    Science.gov (United States)

    2010-01-01

    ... of time, in the recent, regular course of his business, honestly and in good faith—and, of course... not used in the regular course of business, or which was not used in the recent past but at some... descriptive terminology such as “Regularly,” “Usually,” “Formerly,” etc., the advertiser should make...

  20. 45 CFR 233.20 - Need and amount of assistance.

    Science.gov (United States)

    2010-10-01

    ... retroactive to the date that the individual was required to be in the assistance unit either through birth... State option, as late as the corresponding payment month. For purposes of applying the lump sum... eligible households under the Low Income Home Energy Assistance Act of 1981 pursuant to section 2605(f)...

  1. Treating 233 Cases of Dermatosis with Nettle%荨麻治疗三种皮肤疾患233

    Institute of Scientific and Technical Information of China (English)

    聂鲁

    2003-01-01

    @@ 受玉溪市卫生局和新平县科委的委托,新平县彝族医药翻译整理课题组于1999年9月至2002年10月期间,以新平县人民医院和新平县平甸乡卫生院为载体,对彝族药荨麻设课题进行临床运用研究,旨在通过临床观察,验证荨麻对荨麻疹、痤疮、黄褐斑等皮肤疾患的治疗功效,分析并推断其相应的药理药效.

  2. TRASH TO TREASURE: CONVERTING COLD WAR LEGACY WASTE INTO WEAPONS AGAINST CANCER

    Energy Technology Data Exchange (ETDEWEB)

    Nicholas, R.G.; Lacy, N.H.; Butz, T.R.; Brandon, N.E.

    2004-10-06

    As part of its commitment to clean up Cold War legacy sites, the U.S. Department of Energy (DOE) has initiated an exciting and unique project to dispose of its inventory of uranium-233 (233U) stored at Oak Ridge National Laboratory (ORNL), and extract isotopes that show great promise in the treatment of deadly cancers. In addition to increasing the supply of potentially useful medical isotopes, the project will rid DOE of a nuclear concern and cut surveillance and security costs. For more than 30 years, DOE's ORNL has stored over 1,200 containers of fissile 233U, originally produced for several defense-related projects, including a pilot study that looked at using 233U as a commercial reactor fuel. This uranium, designated as special nuclear material, requires expensive security, safety, and environmental controls. It has been stored at an ORNL facility, Building 3019A, that dates back to the Manhattan Project. Down-blending the material to a safer form, rather than continuing to store it, will eliminate a $15 million a year financial liability for the DOE and increase the supply of medical isotopes by 5,700 percent. During the down-blending process, thorium-229 (229Th) will be extracted. The thorium will then be used to extract actinium-225 (225Ac), which will ultimately supply its progeny, bismuth-213 (213Bi), for on-going cancer research. The research includes Phase II clinical trials for the treatment of acute myelogenous leukemia at Sloan-Kettering Memorial Cancer Center in New York, as well as other serious cancers of the lungs, pancreas, and kidneys using a technique known as alpha-particle radioimmunotherapy. Alpha-particle radioimmunotherapy is based on the emission of alpha particles by radionuclides. 213Bi is attached to a monoclonal antibody that targets specific cells. The bismuth then delivers a high-powered but short-range radiation dose, effectively killing the cancerous cells but sparing the surrounding tissue. Production of the actinium and

  3. 45 CFR 233.53 - Support and maintenance assistance (including home energy assistance) in AFDC.

    Science.gov (United States)

    2010-10-01

    ... assistance. In kind assistance means assistance furnished in any form except direct cash payments to an... which are convertible to cash. Private, nonprofit organization means a religious, charitable.... (Actual tax exempt certification by IRS is not necessary). Rate-of-return entity means an entity...

  4. Measuring the Th-229 nuclear isomer transition with U-233 doped crystals

    CERN Document Server

    Stellmer, Simon; Kazakov, Georgy; Sterba, Johannes; Schumm, Thorsten

    2015-01-01

    We propose a simple approach to measure the energy of the few-eV isomeric state in Th-229. To this end, U-229 nuclei are doped into VUV-transparent crystals, where they undergo alpha decay into Th-229, and, with a probability of 2%, populate the isomeric state. These Th-229m nuclei may decay into the nuclear ground state under emission of the sought-after VUV gamma, whose wavelength can be determined with a spectrometer. Based on measurements of the optical transmission of U:CaF2 crystals in the VUV range, we expect a signal at least 2 orders of magnitude larger compared to current schemes using surface-implantation of recoil nuclei. The signal background is dominated by Cherenkov radiation induced by beta decays of the thorium decay chain. We estimate that, even if the isomer undergoes radiative de-excitation with a probability of only 0.1%, the VUV gamma can be detected within a reasonable measurement time.

  5. 49 CFR 23.3 - What do the terms used in this part mean?

    Science.gov (United States)

    2010-10-01

    ..., license, or other agreement. For example, providers of taxi, limousine, car rental, or hotel services are... case of a hotel operator, a hotel located anywhere on airport property. (4) Any business meeting the... Secretary determines to have more than 10,000 passengers enplaned annually. Primary industry...

  6. SU-E-J-233: A Facility for Radiobiological Experiments in a Large Magnetic Field

    Energy Technology Data Exchange (ETDEWEB)

    Carlone, M; Heaton, R; Keller, H [Princess Margaret Hospital, Toronto, ON (Canada); University of Toronto, Toronto, ON (Canada); Wouters, B [Ontario Cancer Institute, Toronto, ON (Canada); University of Toronto, Toronto, ON (Canada); Jaffray, D [Princess Margaret Hospital, Toronto, ON (Canada); Ontario Cancer Institute, Toronto, ON (Canada); University of Toronto, Toronto, ON (Canada)

    2014-06-01

    Purpose: There is considerable interest in developing medical linear accelerators with integrated image guidance by MRI. Less work has been done on the fundamental biology of cell survival in the presence of a strong magnetic field. The purpose of this work is to describe an experimental system capable of measuring cell survival response in the types of MRI-linac systems currently under development. Methods: We have integrated a cobalt irradiator with a solenoid magnet. The solenoid magnet has inner diameter of 10 cm. To enable measurement of the biological effects as a function of depth, we are utilizing the sliced gel technique, in which cells are embedded and fixed within a gelatin matrix. Irradiated cells at defined positions (sub mm resolution) can subsequently be recovered and assessed for cell survival or other biological effects. Results: The magnetic field profile in the solenoid has a peak magnetic field 36 cm below the top edge of the magnet bore and can be placed at and SAD of 100 cm. At a solenoid current of 35 A, the peak magnetic field is 0.25 T. The dose rate of the cobalt irradiator is 16 cGy/min at 100 cm SAD. EBT3 film was used to demonstrate the system functionality. It was irradiated at 1 cm depth at 100 cm SSD with a 4×4 field to 1.5 Gy in a 0.25 T magnetic field. The dose profile was similar between this film and the control exposure without magnetic field. Conclusion: Integrating a cobalt irradiator with a high field magnet is demonstrated. The magnetic field at the cobalt defining head was minimal and did not interfere with the functioning of this unit. Cell survival experiments can be reproduced exactly in the presence or absence of a magnetic field since a resistive magnet is used.

  7. Public Law 88-233 : 88th Congress S. 2275 [Hawaiian Islands National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — This document is an act made to revise the procedures of conveying certain lands to the state of Hawaii. It designates certain lands on Sand Island as lands that can...

  8. Yeast Interacting Proteins Database: YOL006C, YMR233W [Yeast Interacting Proteins Database

    Lifescience Database Archive (English)

    Full Text Available by cleaving and re-sealing the phosphodiester backbone; relaxes both positively and negatively supercoiled D...in DNA by cleaving and re-sealing the phosphodiester backbone; relaxes both positively and negatively superc

  9. Yeast Interacting Proteins Database: YOR285W, YDR233C [Yeast Interacting Proteins Database

    Lifescience Database Archive (English)

    Full Text Available racts with exocyst subunit Sec6p and with Yip3p; also interacts with Sbh1p; null mutant has an altered (most...tion ER membrane protein that interacts with exocyst subunit Sec6p and with Yip3p; also interacts with Sbh1p; null mutant has an alte...red (mostly cisternal) ER morphology; member of the RTNL

  10. 19 CFR 10.233 - Articles eligible for preferential tariff treatment.

    Science.gov (United States)

    2010-04-01

    ... any manner, in airtight containers; (3) Petroleum, or any product derived from petroleum, provided for... rules of origin. In determining whether an article is a CBTPA originating good for purposes of...

  11. 45 CFR 233.10 - General provisions regarding coverage and eligibility.

    Science.gov (United States)

    2010-10-01

    ... age of 18, or age 18 if a full-time student in a secondary school, or in the equivalent level of... must be met by the individuals in the groups. The groups selected for inclusion in the plan and the... AB, disability in APTD, physical or mental incapacity, continued absence of a parent, or...

  12. 48 CFR 1352.233-71 - GAO and Court of Federal Claims protests.

    Science.gov (United States)

    2010-10-01

    ... attachments, shall be served upon (i) the Contracting Officer, and (ii) the Contract Law Division of the... Claims. (c) Service upon the Contract Law Division shall be made as follows: U.S. Department of Commerce, Office of the General Counsel, Chief, Contract Law Division, Room 5893, Herbert C. Hoover Building,...

  13. 40 CFR 52.233 - Review of new sources and modifications.

    Science.gov (United States)

    2010-07-01

    ... steam purchased from Watson Energy Systems and the amount generated by boilers #31, #32, #33, #42, #51...) Continuous written records of steam purchased from Watson Energy Systems and of the steam produced by boilers... fired steam generating efficiency of boilers #31, #32, #33, #42, #51, and #52 at the ARCO...

  14. 76 FR 50113 - Airworthiness Directives; Airbus Model A320-214, -232, and -233 Airplanes

    Science.gov (United States)

    2011-08-12

    ... above, this AD requires a modification of the electrical installation of ELAC2 and THS Motor 1 power... case of emergency electrical configuration combined with a Green and Yellow hydraulic system loss... INFORMATION CONTACT: Sanjay Ralhan, Aerospace Engineer, International Branch, ANM-116, Transport...

  15. 76 FR 19714 - Airworthiness Directives; Airbus Model A320-214, -232, and -233 Airplanes

    Science.gov (United States)

    2011-04-08

    ... a modification of the electrical installation of ELAC2 and THS Motor 1 power supply, restoring the... case of emergency electrical configuration combined with a Green and Yellow hydraulic system loss... receipt. FOR FURTHER INFORMATION CONTACT: Sanjay Ralhan, Aerospace Engineer, International Branch,...

  16. Editorial Revista Contaduría y Administración 233

    OpenAIRE

    López Herrera Francisco

    2011-01-01

    Existen diversos aspectos que resultan ser de importancia para alcanzar los diversos objetivos que los administradores de organizaciones públicas o privadas, lucrativas o no lucrativas, deben cumplir. Evidentemente la satisfacción del cliente o usuario es uno de los aspectos clave. Una de las ideas que ha alcanzado un alto grado de consenso desde hace ya varios años, a juzgar por lo vasto de la literatura dedicada a ese punto, es que en esa satisfacción juega un papel primordial y crítico el ...

  17. 12 CFR 233.6 - Non-exclusive examples of policies and procedures.

    Science.gov (United States)

    2010-01-01

    ...-party processor, or a card issuer, are deemed to be reasonably designed to identify and block or... designated payment system is permitted to design and implement policies and procedures tailored to its..., those due diligence procedures will be deemed to be reasonably designed to identify and block...

  18. Yeast Interacting Proteins Database: YER081W, YPL233W [Yeast Interacting Proteins Database

    Lifescience Database Archive (English)

    Full Text Available oins kinetochore subunits contacting DNA to those contacting microtubules; requir...tacting DNA to those contacting microtubules; required for accurate chromosome segr...t of the MIND kinetochore complex (Mtw1p Including Nnf1p-Nsl1p-Dsn1p) which joins kinetochore subunits con

  19. Yeast Interacting Proteins Database: YDL089W, YDR233C [Yeast Interacting Proteins Database

    Lifescience Database Archive (English)

    Full Text Available rDNA repeat stability; null mutant causes increase in unequal sister-chromatid exchange; GFP-fusion protein...DNA repeat stability; null mutant causes increase in unequal sister-chromatid exchange; GFP-fusion protein l

  20. Correction: Cocaine cardiomyopathy: A case report (2014, vol. 9, no. 3, pp. 233-237)

    OpenAIRE

    Georgijev Antonio; Zhivadinovic Julija

    2016-01-01

    In Sanamed Medical Journal, vol. 9, issue 3, in the text titled 'COCAINE CARDIOMYOPATHY-A CASE REPORT' authors made a mistake by inadequately citing parts of scientific paper, in sections Introduction and Discussion. The mistake was discovered by Center for Evaluation in Education and Science (CEON). Authors were informed from the Editorial Board of Medical Journal 'Sanamed' and the stated parts of paper were timely corrected.

  1. 49 CFR 40.233 - What are the requirements for proper use and care of EBTs?

    Science.gov (United States)

    2010-10-01

    ... an EBT manufacturer, you must submit, for NHTSA approval, a quality assurance plan (QAP) for your EBT before NHTSA places the EBT on the CPL. (1) Your QAP must specify the methods used to perform external..., and the intervals at which these checks must be performed. In designating these intervals, your...

  2. 16 CFR 233.4 - Bargain offers based upon the purchase of other merchandise.

    Science.gov (United States)

    2010-01-01

    ... given a customer on the condition that he purchase a particular article at the price usually offered by... used, care be taken not to mislead the consumer. (b) Where the seller, in making such an offer, increases his regular price of the article required to be bought, or decreases the quantity and quality...

  3. TINGKAT KANDUNGAN UNSUR RADIOAKTIF AIR SUNGAI AYUNG DI DENPASAR BALI

    Directory of Open Access Journals (Sweden)

    Dewa Nyoman Alit Ardana

    2012-11-01

    Full Text Available Ayung river is one of the longest rivers in Bali. The upstream of the river is in regency of Bangli, Badung, Buleleng, Tabananand downstream is located in Padang Galak beach, East Denpasar Sub-regency. As the sample of the study, the water of the river wastaken from the stream entering the city of Denpasar. The sample was taken in five different points and for each point was taken twice. Thefirst was taken at 5 p.m, and the second was at 6 a.m. This study aims at finding out the rate of radioactive content of Ayung river water inthe city of Denpasar.The water sample was analyzed in Radiometry Analysis Group of Radiation Physics and environmental research centre andNuclear Technique Development, Jalan Taman Sari 71 Bandung – 40132. The process of counting was conducted in this place in order toknow the rate of the element activities and then identification of elements contens in the sample. The result of the counting and identifyingwas compered with standard grade of radioactivity in the area.The element of identification result and the amount of activity rate found showed that the element were natural radioactiveelements, the content: 40K (Kalium-40, 234Th (Thorium-234, 233Th (Thorium-233, 228Ac (Actinium-288, 114mIn (Indium-114m. Thehighest activity of radioactive elements in each sample point: in E2 point content element 40K with the activity 2.08 Bq/lt, in point A1 234Thwith the activity 16.34 Bq/lt, in point E1 containts 233Th with activity 598.29 Bq/lt, in point E1 and E2 contain 228Ac with the activity939.63 Bq/lt. The height of activity value of the counting and identifying elements was still under the rate of the highest level.The result of the study showed that radioactive elements 40K had the tendency of increasing radioactivity. The same thinghappened to 233Th at the peak of energi 185.00 keV. The content of its radioactive tends to exist in each point of sample point and theactivity tends to increase. Though the rate of

  4. Identification of extensive drug resistant Pseudomonas aeruginosa strains: New clone ST1725 and high-risk clone ST233

    Science.gov (United States)

    Aguilar-Rodea, Pamela; Zúñiga, Gerardo; Rodríguez-Espino, Benjamín Antonio; Olivares Cervantes, Alma Lidia; Gamiño Arroyo, Ana Estela; Moreno-Espinosa, Sarbelio; de la Rosa Zamboni, Daniela; López Martínez, Briceida; Castellanos-Cruz, María del Carmen; Parra-Ortega, Israel; Jiménez Rojas, Verónica Leticia; Vigueras Galindo, Juan Carlos; Velázquez-Guadarrama, Norma

    2017-01-01

    Several microorganisms produce nosocomial infections (NIs), among which Pseudomonas aeruginosa stands out as an opportunist pathogen with the capacity to develop multiresistance to first-choice antibiotics. From 2007 to 2013, forty-six NIs produced by P. aeruginosa were detected at a pediatric tertiary care hospital in Mexico with a significant mortality rate (17.39%). All isolates (n = 58/46 patients) were characterized by evaluating their response to several antibiotics as panresistant (PDR), extensively resistant (XDR), multiresistant (MDR) or sensitive (S). In addition, all isolates were typified through multilocus sequencing of seven genes: acsA, aroE, guaA, mutL, nuoD, ppsA and trpE. Furthermore, to establish the genetic relationships among these isolates, we carried out a phylogenetic inference analysis using maximum likelihood to construct a phylogenetic network. To assess evolutionary parameters, recombination was evaluated using the PHI test, and the ratio of nonsynonymous to synonymous substitutions was determined. Two of the strains were PDR (ST1725); 42 were XDR; four were MDR; and ten were S. Twenty-one new sequence types were detected. Thirty-three strains exhibited novel sequence type ST1725. The ratio of nonsynonym to synonym substitutions was 1:1 considering all genes. Phylogenetic analysis showed that the genetic relationship of the PDR, XDR and MDR strains was mainly clonal; however, the PHI test and the phylogenetic network suggest that recombination events occurred to produce a non-clonal population. This study aimed not only to determine the genetic diversity of clinical P. aeruginosa but also to provide a warning regarding the identification and spreading of clone ST1725, its ability to cause outbreaks with high mortality rates, and to remain in the hospital environment for over seven years. These characteristics highlight the need to identify clonal outbreaks, especially where high resistance to most antibiotics is observed, and control measures are needed. This study also represents the first report of the PDR ST1725. PMID:28253282

  5. 40 CFR 421.233 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the...

    Science.gov (United States)

    2010-07-01

    ... cobalt in the crushed raw material Copper 0.099 0.047 Nickel 0.042 0.028 Ammonia (as N) 10.260 4.512... pounds) of nickel powder washed Copper 0.043 0.021 Nickel 0.019 0.013 Ammonia (as N) 4.515 1.985 Cobalt 0... pounds) of nickel produced Copper 16.250 7.744 Nickel 6.982 4.697 Ammonia (as N) 1,692.000 743.900...

  6. SU-E-J-233: Effect of Brachytherapy Seed Artifacts in T2 and Proton Density Maps in MR Images

    Energy Technology Data Exchange (ETDEWEB)

    Mashouf, S [Sunnybrook Odette Cancer Centre, Toronto, Ontario (Canada); University of Toronto, Dept of Radiation Oncology, Toronto, Ontario (Canada); Fatemi-Ardekani, A [Sunnybrook Odette Cancer Centre, Toronto, Ontario (Canada); Sunnybrook Research Institute, Toronto, Ontario (Canada); Song, W [Sunnybrook Odette Cancer Centre, Toronto, Ontario (Canada); University of Toronto, Dept of Radiation Oncology, Toronto, Ontario (Canada); Sunnybrook Research Institute, Toronto, Ontario (Canada)

    2015-06-15

    Purpose: This study aims at investigating the influence of brachytherapy seeds on T2 and proton density (PD) maps generated from MR images. Proton density maps can be used to extract water content. Since dose absorbed in tissue surrounding low energy brachytherapy seeds are highly influenced by tissue composition, knowing the water content is a first step towards implementing a heterogeneity correction algorithm using MR images. Methods: An LDR brachytherapy (IsoAid Advantage Pd-103) seed was placed in the middle of an agar-based gel phantom and imaged using a 3T Philips MR scanner with a 168-channel head coil. A multiple echo sequence with TE=20, 40, 60, 80, 100 (ms) with large repetition time (TR=6259ms) was used to extract T2 and PD maps. Results: Seed artifacts were considerably reduced on T2 maps compared to PD maps. The variation of PD around the mean was obtained as −97% to 125% (±1%) while for T2 it was recorded as −71% to 24% (±1%). Conclusion: PD maps which are required for heterogeneity corrections are susceptible to artifacts from seeds. Seed artifacts on T2 maps, however, are significantly reduced due to not being sensitive to B0 field variation.

  7. Aquastress D2.3.3 - Integrated water balance models for water stress adapted to test sites

    OpenAIRE

    Schmidt, S; P. Rosso; Loubier, S.; Preziosi, E.; Tarnacki, K.; Van den Wyngaert, I.

    2008-01-01

    This report is based on the report Milestone 2.3-1 of the Aquastress project (Schmidt et al, 2005), which presented an inventory of examples of water balance models and gave a list of criteria to characterise hydrological models, and on the report Deliverable 2.3-1 of the Aquastress project (Schmidt et al, 2006), which describes the concept of the water balance model and the structure of the water stress assessment in the domestic, industrial, agricultural and (semi)natural ecosystem sectors....

  8. Measurement of Effective Cross Section of Th-233(n,γ)Th-234 Reaction Using the KUR

    Science.gov (United States)

    Chatani, Hiroshi

    2005-05-01

    Thorium nitrate was irradiated together with Au and Co neutron fluence monitors in the Kyoto University Reactor (KUR). The thorium was chemically purified using the solvent extraction and ion-exchange methods. The γ-rays in the decay of Th-234 were measured using high-purity Ge detectors (HPGes). Thermal neutron fluxes and epithermal indexes, i.e., the relative strength of the epithermal dE/E component, were determined using the Westcott convention. Five effective cross sections were determined for epithermal indexes from 0.01 to 0.04 using three irradiation facilities. The cross section for 2200 m/s neutrons and the resonance integral were deduced to be (1270±50) b and (1680±930) b, respectively, from the results of the five effective cross sections.

  9. 16 CFR 233.3 - Advertising retail prices which have been established or suggested by manufacturers (or other...

    Science.gov (United States)

    2010-01-01

    ... advertising by one who is selling at a lower price. If, however, the list price is being followed only by, for... representative communities, the principal retail outlets are selling the product at this price in the regular... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Advertising retail prices which have...

  10. Defense Transformation a’ la francaise and U.S. Interests. Strategic Forum, Number 233, September 2008

    Science.gov (United States)

    2008-09-01

    espérance déçue,” Le Figaro, June 18, 2008; see also, “Le scud d’Alain Juppé contre la politique de défense de Nicolas Sarkozy,” Le Monde, June 19...internationales_1032/organisations- internationales-europe_1126/otan_1134/seminaire- haut-niveau-ue-otan-7-juillet-2008_19024/ discours -m. bernard-kouchner_64303.html...Defense Conference, September 11, 2007, available at <www.defense. gouv.fr/ministre/prises_de_parole/ discours /discours_de_m_

  11. C2 Fracture Subtypes, Incidence, and Treatment Allocation Change with Age: A Retrospective Cohort Study of 233 Consecutive Cases

    OpenAIRE

    Anna-Lena Robinson; Anders Möller; Yohan Robinson; Claes Olerud

    2017-01-01

    The currently available data on the distribution of C2 fracture subtypes is sparse. This study was designed to identify the proportions of the second cervical vertebra (C2) fracture subtypes and to present age and gender specific incidences of subgroups. A dataset of all patients treated between 2002 and 2014 for C2 fractures was extracted from the regional hospital information system. C2 fractures were classified into odontoid fractures types 1, 2, and 3, Hangman’s fractures types 1, 2, and ...

  12. Chromosome 8q23.3 and 11q23.1 Variants Modify Colorectal Cancer Risk in Lynch Syndrome

    NARCIS (Netherlands)

    Wijnen, Juul T.; Brohet, Richard M.; Van Eijk, Ronald; Jagmohan-Changur, Shanty; Middeldorp, Anneke; Tops, Carli M.; Van Puijenbroek, Mario; Ausems, Margreet G. E. M.; Garcia, Encarna Gomez; Hes, Frederik J.; Hoogerbrugge, Nicoline; Menko, Fred H.; Van Os, Theo A. M.; Sijmons, Rolf H.; Verhoef, Senno; Wagner, Anja; Nagengast, Fokko M.; Kleibeuker, Jan H.; Devilee, Peter; Morreau, Hans; Goldgar, David; Tomlinson, Ian P.; Houlston, Richard S.; Van Wezel, Tom; Vasen, Hans F. A.

    2009-01-01

    Background & Aims: Recent genome-wide association studies have identified common low-risk variants for colorectal cancer (CRC). To assess whether these influence CRC risk in the Lynch syndrome, we genotyped these variants in a large series of proven mutation carriers. Methods: We studied 675 individ

  13. The synchronization of palaeoclimatic events in the North Atlantic region during Greenland Stadial 3 (ca 27.5 to 23.3 kyr b2k)

    DEFF Research Database (Denmark)

    Hibbert, F.D.; Peters, C.; Rasmussen, Sune Olander

    2012-01-01

    SST records demonstrates that such events may not readily be identified within the coldest stadials of the Greenland ice cores, highlights the need for carefully constructed event stratigraphies (independently tested by the use of tephra isochrones and radiocarbon) and illustrates pervasive millennial...

  14. Crystal structure of (2R*,3aR*-2-phenylsulfonyl-2,3,3a,4,5,6-hexahydropyrrolo[1,2-b]isoxazole

    Directory of Open Access Journals (Sweden)

    Yaiza Hernández

    2017-01-01

    Full Text Available The title compound, C12H15NO3S, was prepared by 1,3-dipolar cycloaddition of 3,4-dihydro-2H-pyrrole 1-oxide and phenyl vinyl sulfone. In the molecule, both fused five-membered rings display a twisted conformation. In the crystal, C—H...O hydrogen bonds link neighbouring molecules, forming chains running parallel to the b axis.

  15. Loss of heterozygosity on 10q23.3 and mutation of tumor suppressor gene PTEN in gastric cancer and precancerous lesions

    Institute of Scientific and Technical Information of China (English)

    Yi-Ling Li; Zhong Tian; Dong-Ying Wu; Bao-Yu Fu; Yan Xin

    2005-01-01

    AIM: To investigate the loss of heterozygosity (LOH) and mutation of tumor suppressor gene PTEN in gastric cancer and precancerous lesions.METHODS: Thirty cases of normal gastric mucosa, advanced and early stage gastric cancer, intestinal metaplasia, atrophic gastritis, and atypical hyperplasia were analyzed for PTEN LOH and mutations within the entire coding region of PTEN gene by PCR-SSCP denaturing PAGE gel electrophoresis,and PTEN mutation was detected by PCR-SSCP sequencing followed by silver staining.RESULTS: LOH rate found in respectively atrophic gastritis was 10% (3/30), intestinal metaplasia 10% (3/30), atypical hyperpiasia 13.3% (4/30), early stage gastric cancer 20%(6/30), and advanced stage gastric cancer 33.3% (9/30),None of the precancerous lesions and early stage gastric cancer showed PTEN mutations, but 10% (3/30) of the advanced stage gastric cancers, which were all positive for LOH, showed PTEN mutation.CONCLUSION: LOH of PTEN gene appears in precancerous lesions, and PTEN mutations are restricted to advanced gastric cancer, LOH and mutation of PTEN gene are closely related to the infiltration and metastasis of gastric cancer.

  16. Colorectal cancer risk variants at 8q23.3 and 11q23.1 are associated with disease phenotype in APC mutation carriers

    NARCIS (Netherlands)

    Ghorbanoghli, Z.; Nieuwenhuis, M. H.; Houwing-Duistermaat, J. J.; Jagmohan-Changur, S.; Hes, F. J.; Tops, C. M.; Wagner, A.; Aalfs, C. M.; Verhoef, S.; Garcia, E. B. Gomez; Sijmons, R. H.; Menko, F. H.; Letteboer, T. G.; Hoogerbrugge, N.; van Wezel, T.; Vasen, H. F. A.; Wijnen, J. T.

    2016-01-01

    Familial adenomatous polyposis (FAP) is a dominantly inherited syndrome caused by germline mutations in the APC gene and characterized by the development of multiple colorectal adenomas and a high risk of developing colorectal cancer (CRC). The severity of polyposis is correlated with the site of th

  17. Clinical aspects of an autosomal dominantly inherited hearing impairment linked to the DFNA60 locus on chromosome 2q23.1-2q23.3

    NARCIS (Netherlands)

    Beelen, E. van; Schraders, M.; Huygen, P.L.M.; Oostrik, J.; Plantinga, R.F.; Drunen, W.J. van; Collin, R.W.J.; Kooper, D.P.; Pennings, R.J.E.; Cremers, C.W.R.J.; Kremer, H.; Kunst, H.P.M.

    2013-01-01

    A total of 64 loci for autosomal dominant non-syndromic hearing impairment have been described, and the causative genes have been identified for 24 of these. The present study reports on the clinical characteristics of an autosomal dominantly inherited hearing impairment that is linked to a region w

  18. Clinical aspects of an autosomal dominantly inherited hearing impairment linked to the DFNA60 locus on chromosome 2q23.1-2q23.3.

    Science.gov (United States)

    van Beelen, E; Schraders, M; Huygen, P L M; Oostrik, J; Plantinga, R F; van Drunen, W; Collin, R W J; Kooper, D P; Pennings, R J E; Cremers, C W R J; Kremer, H; Kunst, H P M

    2013-06-01

    A total of 64 loci for autosomal dominant non-syndromic hearing impairment have been described, and the causative genes have been identified for 24 of these. The present study reports on the clinical characteristics of an autosomal dominantly inherited hearing impairment that is linked to a region within the DFNA60 locus located on chromosome 2 in q22.1-24.1. A pedigree spanning four generations was established with 13 affected individuals. Linkage analysis demonstrated that the locus extended over a 2.96 Mb region flanked by markers D2S2335 and D2S2275. The audiograms mainly showed a distinctive U-shaped configuration. Deterioration of hearing started at a wide age range, from 12 to 40 years. Cross-sectional analysis showed rapid progression of hearing impairment from mild to severe, between the ages of 40 and 60 years, a phenomenon that is also observed in DFNA9 patients. The results of the individual longitudinal analyses were generally in line with those obtained by the cross-sectional analysis. Speech recognition scores related to the level of hearing impairment (PTA1,2,4 kHz) appeared to be fairly similar to those of presbyacusis patients. It is speculated that hearing impairment starting in mid-life, as shown by DFNA60 patients, could play a role in the development of presbyacusis. Furthermore, speech recognition did not deteriorate appreciably before the sixth decade of life. We conclude that DFNA60 should be considered in hearing impaired patients who undergo a rapid progression in middle age and are negative for DFNA9. Furthermore, cochlear implantation resulted in good rehabilitation in two DFNA60 patients.

  19. Dynamic analysis of muscular lymphokinetic activities in the treatment of lymphedema of the upper limbs - doi:10.5020/18061230.2007.p233

    Directory of Open Access Journals (Sweden)

    Maria de Fátima Guerreiro Godoy

    2012-01-01

    Full Text Available The aim of the present study was to evaluate the resting and working pressures associated to a restrain mechanism, in patients suffering from lymphedema of the upper limbs, postbreast cancer treatment, whilst performing occupational and day-to-day self-care activities. Six female patients under treatment of lymphedema due to surgical, radiotherapeutic and chemotherapeutic treatment of breast cancer, in the age group between 32 and 76 years (mean 54 years old, ± 31.11 were selected. A compression sleeve of “gorgurão” (cotton-polyester material was applied as a restrain mechanism. The occupational and daily personal care activities evaluated were those common to all participants. These activities included washingup, cooking in a small pan, sweeping the floor using the affected arm, brushing the teeth, brushing the hair, washing small items of clothes, ironing clothes and making the bed. For statistical analysis, mean and standard deviation between resting pressures and minimum and maximum working pressures were determined. The two-tailed student t-test and variance analysis were used for repeated measurements. The Bonferroni limit was used in the analysis of the variables to calculate the alpha error, with a value of 5%, considered statistically significant. All of the analyzed activities associated to the “gorgurão” compression sleeve generated both resting and working pressures (p <0.005. In conclusion, the occupational daily life tasks used in the present study generate resting and working pressures and can be used as a form of treatment of the lymphedema.

  20. Guilhem de Saint Gregori, "Ben grans avolesa intra" (BdT 233.2; Bartolomeo Zorzi, "En tal dezir mos cors intra" (BdT 74.4

    Directory of Open Access Journals (Sweden)

    Alessandro Bampa

    2014-02-01

    Full Text Available This paper provides a commentary and translation of two contrafacta of Arnaut Daniel’s sestina: Guilhem de Saint Gregori’s "Ben gran avolesa intra" and Bartolomeo Zorzi’s "En tal dezir mos cors intra". For the first song, I will highlight the new contexts and meanings given to Arnaut’s images (which are taken from his sestina and other poems within Guilhem’s invective against Aimers II of Poitiers, in order to evaluate its literary qualities and innovations. Through lexical analysis, this paper will reveal the strong connection between Zorzi’s and Guilhem’s songs. In particular, the paper analyses specifically their common theme of Hell, suggesting Bartolomeo’s text is most likely an answer to Arnaut’s sestina, which clearly expresses a desire of sensual pleasure. The study pays particular attention to the relation between sexual love and the matter of eternal damnation: Zorzi attacks Arnaut’s ferm voler, advancing his argument by evoking Chrétien de Troyes’ "Perceval" (references to which are spread throughout the text, and not only in l. 18 and through his constant stress on the duties towards one’s family.

  1. SU-E-T-233: Cyberknife Versus Linac IMRT for Dose Comparision in Hypofractionated Hemi Larynx Irradiation of Early Stage True Vocal Cord Cancer: A Dosimetric Study

    Energy Technology Data Exchange (ETDEWEB)

    Ding, C; Lee, P; Jiang, S [UT Southwestern Medical Center, Dallas, TX (United States)

    2015-06-15

    Purpose: To compare dosimetric data of patients treated for early-stage larynx cancer on Cyberknife and Linac IMRT. Methods: Nine patients were treated with Cyberknife to a dose of 45 Gy in 10 fractions of the involved hemilarynx. The prescription dose provided at least 95% of PTV coverage. After Cyberknife treatment, the CT images and contours were sent to Pinnacle treatment planning system for IMRT planning on a regular SBRT linac with same dose prescription and constrains. Dose to target and normal tissue, including the arytenoids, cord, carotid arteries, thyroid, and skin, were analyzed using dose volume histograms. Results: For Cyberknife plan, the conformity indices are within 1.11–1.33. The average dose to the contralateral arytenoids for Cyberknife plans was 28.9±6.5Gy), which is lower than the same mean dose for IMRT plans (34.0±5.2 Gy). The average maximum dose to the ipsilateral and contralateral carotid artery were 20.6 ±9.1 Gy and 10.2±6.0 Gy respectively for Cybeknife comparing with 22.1±8.0 Gy and 12.0±5.1 Gy for IMRT. The mean dose to the thyroid was 3.6±2.2 Gy for Cyberknife and 3.4±2.4 Gy for IMRT. As shown in DVH, the Cyberknife can deliver less dose to the normal tissue which is close to target area comparing with IMRT Plans. However, IMRT plan’s can give more sparing for the critical organs which is far away from the target area. Conclusion: We have compared the dosimetric parameters of Cyberknife and linac IMRT plans for patients with early-stage larynx cancer. Both Cyberknife and IMRT plans can achieve conformal dose distribution to the target area. Cyberknife was able to reduce normal tissue dose in high doses region while IMRT plans can reduce the dose of the normal tissue at the low dose region. These dosimetric parameters can be used to guide future prospective protocols using SBRT for larynx cancer.

  2. Quality of life and wishes in duchenne muscular dystrophy: the perception of children and their parents - doi:10.5020/18061230.2009.p233

    Directory of Open Access Journals (Sweden)

    Egmar Longo Araújo de Melo

    2012-01-01

    Full Text Available Objective: To assess the agreement between children with Duchenne Muscular Dystrophy (DMD and their parents regarding the perception of quality of life (QOL and the wishes expressed by children. Methods: The study involved 14 patients (median age = 9.9 yearsold followed up in Sarah Rehabilitation Center – Fortaleza, Brazil and their parents. The following instruments were used: AUQEI questionnaire (Autoquestionnaire Qualité de Vie Enfant Imagé and Three Wishes Projective Technique, this being analyzed by Nereo & Hinton’s system of categories (2003. Results: The analysis of AUQEI showed a good agreement with ICC (intraclass correlation coefficient = 0,699 and a positive and significant correlation between scores of both children and their parents (rho = 0.54, p < 0.05. The Three Wishes also showed a good agreement, mainly in the categories of Material Goods and Activities. Conclusions: Despite children with DMD and their parents exhibited similar perceptions of the QOL and wishes, we suggest that both be heard in respect to aspects of the rehabilitation program. This study provides additional data concerning the need for child QOL assessment instruments that include parallel versions directed to the children and their parents.

  3. Influence of Sample Preparation on Assay of Functional Phenolic Phytochemicals (American Chemical Society, 233rd National Meeting & Exposition, March 25-29, 2007, Chicago, IL)

    Science.gov (United States)

    Phenolics are one of the most diverse groups of phytochemicals that are ubiquitously distributed throughout the plant kingdom. Phenolic phytochemicals are known to exhibit a wide range of health protective effects. Approximately 8000 different phenolics compounds have been isolated from natural re...

  4. 10 CFR Appendix E to Part 20 - Nationally Tracked Source Thresholds

    Science.gov (United States)

    2010-01-01

    ... Category 1(TBq) Category 1(Ci) Category 2(TBq) Category 2(Ci) Actinium-227 20 540 0.2 5.4 Americium-241 60... 2 54 Strontium-90 1,000 27,000 10 270 Thorium-228 20 540 0.2 5.4 Thorium-229 20 540 0.2 5.4...

  5. Monofunctionalization of Calix[4]arene Tetracarboxylic Acid at the Upper Rim with Isothiocyanate Group: First Bifunctional Chelating Agent for Alpha-Emitter Ac-225.

    Science.gov (United States)

    Chen, Xiaoyuan; Ji, Min; Fisher, Darrell R; Wai, Chien M

    1999-09-01

    A procedure is reported for synthesizing a novel, water-soluble bifunctional chelating agent derived from calix[4]arene. This chelate features tetracarboxylic acid groups at the lower rim as an actinium-225 ionophore, and an isothiocyanate functional group at the upper rim for labeling of the N-terminus of monoclonal antibodies through thiourea linkage.

  6. I. The metabolic properties of plutonium and allied materials

    Energy Technology Data Exchange (ETDEWEB)

    Hamilton, J.G.

    1948-05-24

    This report on the metabolic properties of plutonium and related radioactive materials presents experimental information in the following areas: radioautographic studies; tracer studies (with tables of accumulation in tissues) of actinium, radio-zirconium, technetium, radio-rubidium, radio-germanium, beryllium, and cadmium; decontamination and bone metabolism studies; and radio-chemical isolation.

  7. (3aRS,7aSR-7a-Methoxy-2-oxo-2,3,3a,4,5,6,7,7a-octahydro-1-benzofuran-4,4-dicarbonitrile

    Directory of Open Access Journals (Sweden)

    María González

    2012-12-01

    Full Text Available The racemic title compound, C11H12N2O3, contains a [4.3.0]bicyclic unit in which the shared C—C bond adopts a cis configuration. The five- and six-membered rings are in twisted envelope (with the bridgehead C atom bearing the methoxy substituent as the flap and distorted chair conformations, respectively. In the crystal, the molecules are linked via weak C—H...O iteractions, forming ladder-like chains along [010].

  8. Correlation of radioactive waste treatment costs and the environmental impact of waste effluents in the nuclear fuel cycle: reprocessing of high-temperature gas-cooled reactor fuel containing U-233 and thorium

    Energy Technology Data Exchange (ETDEWEB)

    Davis, W. Jr.; Blanco, R.E.; Finney, B.C.; Hill, G.S.; Moore, R.E.; Witherspoon, J.P.

    1976-05-01

    A cost/benefit study was made to determine the cost and effectiveness of various radioactive waste (radwaste) treatment systems for decreasing the release of radioactive materials from a model high-temperature gas-cooled reactor (HTGR) fuel reprocessing plant and to determine the radiological impact (dose commitment) of the released materials on the environment. The study is designed to assist the U. S. Nuclear Regulatory Commission in defining the term as low as reasonably achievable as it applies to this nuclear facility. The base case is representative of conceptual, developing technology of head-end graphite-burning operations and of extensions of solvent-extraction technology of current designs for light-water-reactor (LWR) fuel reprocessing plants. The model plant has an annual capacity of 450 metric tons of heavy metal (MTHM, where heavy metal is uranium plus thorium), as charged to about fifty 1000-MW(e) HTGRs. Additional radwaste treatment systems are added to the base-case plant in a series of case studies to decrease the amounts of radioactive materials released and to reduce the radiological dose commitment to the population in the surrounding area. The capital and annual costs for the added waste treatment operations and the corresponding reductions in dose commitments are calculated for each case. In the final analysis, the cost/benefit of each case, calculated as additional cost of radwaste system divided by the reduction in dose commitment, is tabulated or the dose commitment is plotted with cost as the variable. The status of each of the radwaste treatment methods used in the case studies is discussed.

  9. Correlation of radioactive waste treatment costs and the environmental impact of waste effluents in the nuclear fuel cycle: fabrication of high-temperature gas-cooled reactor fuel containing uranium-233 and thorium

    Energy Technology Data Exchange (ETDEWEB)

    Roddy, J.W.; Blanco, R.E.; Hill, G.S.; Moore, R.E.; Seagren, R.D.; Witherspoon, J.P.

    1976-06-01

    A cost/benefit study was made to determine the cost and effectiveness of various radioactive waste (radwaste) treatment systems for decreasing the release of radioactive materials from model High-Temperature Gas-Cooled (HTGR) fuel fabrication plants and to determine the radiological impact (dose commitment) of the released materials on the environment. The study is designed to assist in defining the term ''as low as reasonably achievable'' as it applies to these nuclear facilities. The base cases of the two model plants, a fresh fuel fabrication plant and a refabrication plant, are representative of current proposed commercial designs or are based on technology that is being developed to fabricate uranium, thorium, and graphite into fuel elements. The annual capacities of the fresh fuel plant and the refabrication plant are 450 and 245 metric tons of heavy metal (where heavy metal is uranium plus thorium), as charged to about fifty 1000-MW(e) HTGRs. Additional radwaste treatment systems are added to the base case plants in a series of case studies to decrease the amounts of radioactive materials released and to reduce the radiological dose commitment to the population in the surrounding area. The capital and annual costs for the added waste treatment operations and the corresponding reductions in dose commitments are calculated for each case. In the final analysis, the cost/benefit of each case, calculated as additional cost of radwaste system divided by the reduction in dose commitment, is tabulated or the dose commitment is plotted with cost as the variable. The status of each of the radwaste treatment methods is discussed. 48 figures, 74 tables.

  10. Structural and mechanistic analysis of trichodiene synthase using site-directed mutagenesis: probing the catalytic function of tyrosine-295 and the asparagine-225/serine-229/glutamate-233-Mg2+B motif.

    Science.gov (United States)

    Vedula, L Sangeetha; Jiang, Jiaoyang; Zakharian, Tatiana; Cane, David E; Christianson, David W

    2008-01-15

    Trichodiene synthase from Fusarium sporotrichioides contains two metal ion-binding motifs required for the cyclization of farnesyl diphosphate: the "aspartate-rich" motif D(100)DXX(D/E) that coordinates to Mg2+A and Mg2+C, and the "NSE/DTE" motif N(225)DXXSXXXE that chelates Mg2+B (boldface indicates metal ion ligands). Here, we report steady-state kinetic parameters, product array analyses, and X-ray crystal structures of trichodiene synthase mutants in which the fungal NSE motif is progressively converted into a plant-like DDXXTXXXE motif, resulting in a degradation in both steady-state kinetic parameters and product specificity. Each catalytically active mutant generates a different distribution of sesquiterpene products, and three newly detected sesquiterpenes are identified. In addition, the kinetic and structural properties of the Y295F mutant of trichodiene synthase were found to be similar to those of the wild-type enzyme, thereby ruling out a proposed role for Y295 in catalysis.

  11. Crystal structure of (2R*,3aR*)-2-phenyl­sulfonyl-2,3,3a,4,5,6-hexa­hydro­pyrrolo­[1,2-b]isoxazole

    Science.gov (United States)

    Hernández, Yaiza; Marcos, Isidro; Garrido, Narciso M.; Sanz, Francisca; Diez, David

    2017-01-01

    The title compound, C12H15NO3S, was prepared by 1,3-dipolar cyclo­addition of 3,4-di­hydro-2H-pyrrole 1-oxide and phenyl vinyl sulfone. In the mol­ecule, both fused five-membered rings display a twisted conformation. In the crystal, C—H⋯O hydrogen bonds link neighbouring mol­ecules, forming chains running parallel to the b axis. PMID:28083143

  12. 3-Benzyl-7-chloro-9-phenyl-2-tosyl-2,3,3a,4,9,9a-hexahydro-1H-pyrrolo[3,4-b]quinoline

    Directory of Open Access Journals (Sweden)

    Hoong-Kun Fun

    2009-12-01

    Full Text Available In the title compound, C31H29ClN2O2S, the pyrrolidine ring adopts an envelope conformation with the methine C atom adjacent to the NH group as the flap atom. The tetrahydropyridine ring has a half-chair conformation. The two rings are trans-fused. The chlorobenzene ring and the adjacent phenyl ring form a dihedral angle of 77.9 (1°. The benzyl phenyl and the tosyl phenyl rings are oriented at a dihedral angle of 88.0 (1°. In the crystal, molecules are linked into chains along the a axis by N—H...Cl and C—H...Cl hydrogen bonds and the adjacent chains are cross-linked via C—H...π interactions.

  13. Crystal Structure and Photochromism in Paint of 1,3,3-Trimethyl-6'-dihydro-indolinyl-spiro[2,3'-[3H]-naphtho[2,1-b][1,4

    Institute of Scientific and Technical Information of China (English)

    TAN Ting-Feng

    2007-01-01

    The title compound 2 (C30H27N3O, Mr = 445.55) has been synthesized and its structure was determined by X-ray crystallography method. The crystal is of monoclinic, space group P21/c with a = 17.520(15), b = 8.640(7), c = 15.439(13) (A), ( = 98.642(14)(, V = 2310(3) (A)3, Dc = 1.281 g/cm3, ( = 0.780 mm(1, F(000) = 944, Z = 4, the final R = 0.0671 and wR = 0.1790 for 1952 observed reflections with Ⅰ > 2σ(Ⅰ). X-ray analysis revealed that the interatomic distance of C(20)(O(1) is 1.464(4) (A), longer than that of the normal C(O bond (1.41~1.43(A)) in the six-membered heterocycle, but this kind of change coincides with other spiro compounds. The six-membered heterocycle containing spiro Csp3(O is nonplanar. The UV-vis spectra of the title compound in polymer films showed that it exhibits excellent photochromic property.

  14. (S-4-[(3aR,4S,7aR-4-Methoxy-6-methyl-3-methylene-2-oxo-2,3,3a,4,7,7a-hexahydrobenzofuran-5-yl]pentyl Acetate

    Directory of Open Access Journals (Sweden)

    Xin Guo

    2016-03-01

    Full Text Available A new etherified 1-O-acetylbritannilactone (ABL analogue 2 was semi-synthesized by a mild etherification reaction. The structure of the newly synthesized analogue was identified by 1H-NMR, 13C-NMR and HR-ESI-MS analysis. 2 exhibited similar cytotoxicity against HCT116, SGC-7901 and HeLa human cancer cell lines with ABL.

  15. DE MIGUEL GONZÁLEZ, R. y DONERT, K. (EDITORES (2014 Innovative Learning Geography in Europe: New Challenges for the 21st Century. Cambridge Scholars Publishing. 233 pp. ISBN (13: 978-1-4438-5508-2.

    Directory of Open Access Journals (Sweden)

    María Luisa Gómez Ruiz

    2014-12-01

    Full Text Available   Este libro editado por los profesores Rafael de Miguel y Karl Donert muestra un gran abanico de posibilidades para aprender geografía desarrollando métodos y técnicas innovadoras propias de las oportunidades que ofrece el siglo XXI. El alcance de todas ellas es cada vez más amplio gracias a las nuevas y emergentes tecnologías que favorecen cada vez más el acceso a la información geográfica o geoinformación y a los recursos geo-media. 

  16. JUAN M. LOPE BLANCH. El habla de Diego de Ordaz. Contribución a la historia del español americano. México, UNAM. 1985. 233 p.

    Directory of Open Access Journals (Sweden)

    J. L. R.

    1988-06-01

    Full Text Available Este libro reúne los trabajos publicados por Lope Blanch en revistas especializadas y homenajes académicos acerca del idiolecto de este importante americano nacido en tierras leonesas hacia 1480, colonizador de las Antillas, expedicionario a Tierra Firme y a Cuba, conquistador de México y explorador del Orinoco. La base documental está constituida por siete cartas autógrafasque L.B. publica al final del libro en una cuidadosa transcripción que corrige defectos de una edición anterior.

  17. Study of the origin of elements of the uranium-235 family observed in excess in the vicinity of the experimental nuclear EL4 reactor under dismantling. Lessons got at this day and conclusions; Etude de l'origine des elements de la famille de l'uranium-235 observes en exces dans les environs du reacteur nucleaire experimental EL4 en cours de demantelement. Enseignements retires a ce jour et conclusion

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2007-07-01

    This study resumes the discovery of an excess of actinium 227 found around by EL4 nuclear reactor actually in dismantling. The search for the origin of this excess revealed a real inquiry of investigation during three years. Because a nuclear reactor existed in this area a particular attention will have concerned this region. The doubt became the line of conduct to find the answer to the human or natural origin of this excess. Finally and against any evidence, it appears that the origin of this phenomenon was natural, consequence of the particular local geology. The detail of the different investigations is given: search of a possible correlation with the composition of elevations constituent of lanes, search (and underlining) of new sites in the surroundings of the Rusquec pond and the Plouenez station, study of the atmospheric deposits under winds of the nuclear power plant and in the east direction, search of a possible relationship with the gaseous effluents of the nuclear power plant in the past, historical study of radioactive effluents releases in the fifty last years by the analysis of the sedimentary deposits in the Saint-Herbiot reservoir, search of a possible correlation between the excess of actinium 227 and the nuclear power plant activity; search of a possible correlation with a human activity without any relationship with the nuclear activities, search of a correlation with the underground waters, search of a correlation with the geological context, collect of information on the possible transfers in direction of the food chain, determination of the radiological composition of the underground waters ( not perturbed by human activity), search of the cause of an excess of actinium 227 in the old channel of liquid effluents release of the nuclear power plant. The results are given and discussed. And contrary to all expectations the origin of the excess of actinium 227 is completely natural. (N.C.)

  18. Behaviour of uranium series radionuclides in surface water (Crouzille, Limousin). Geochemical implications; Comportement des radionucleides des familles de l'uranium dans les eaux superficielles du site de la Crouzille (Limousin): implications geochimiques

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2008-06-15

    Understanding natural radionuclides behaviour in surface water is a required step to achieve uranium mine rehabilitation and preserve water quality. The first objective of this thesis is to determine which are the radionuclides sources in a drinking water reservoir. The second objective is to improve the knowledge about the behaviour of uranium series radionuclides, especially actinium. The investigated site is a brook (Sagnes, Limousin, France) which floods a peat bog contaminated by a former uranium mine and which empties into the Crouzille lake. It allows studying radionuclides transport in surface water and radionuclides retention through organic substance or water reservoir. Radionuclides distribution in particulate, colloidal and dissolved phases is determined thanks to ultra-filtrations. Gamma spectrometry allows measuring almost all natural radionuclides with only two counting stages. However, low activities of {sup 235}U series radionuclides impose the use of very low background well-type Ge detectors, such as those of the Underground Laboratory of Modane (France). Firstly, this study shows that no or few radionuclides are released by the Sagnes peat bog, although its radioactivity is important. Secondly, it provides details on the behaviour of uranium series radionuclides in surface water. More specifically, it provides the first indications of actinium solubility in surface water. Actinium's behaviour is very close to uranium's even if it is a little less soluble. (author)

  19. Gclust Server: 167302 [Gclust Server

    Lifescience Database Archive (English)

    Full Text Available 167302 Bsu_BSU37430=albG Cluster Sequences - 233 antilisterial bacteriocin (subtilo...lbG Link to cluster sequences Cluster Sequences Link to related sequences - Sequence length 233 Representative annotation antilisteri

  20. GETDB: 113397 [GETDB

    Lifescience Database Archive (English)

    Full Text Available titute of Genetics. FM7c Link to clone table - 1 233 Link to cluster table 233 1 Request - interesting epi s...lusters 1 Stock Request Request - Embryonic Expression interesting epi stripes (S

  1. Book Review of: FRANCESCO BERTO. There's Something about Godel. Malden, Mass., and Oxford: Wiley-Blackwell, 2009. ISBN 978-1-4051-9766-3 (hbk); 978-1-4051-9767-0 (pbk). Pp. xx + 233. English translation of Tutti pazzi per Godel! (Rome: Gius, Laterza & Figli, 2008)

    OpenAIRE

    McGee, Vann

    2011-01-01

    There's Something about Godel is a bargain: two books in one. The first half is a gentle but rigorous introduction to the incompleteness theorems for the mathematically uninitiated. The second is a survey of the philosophical, psychological, and sociological consequences people have attempted to derive from the theorems, some of them quite fantastical.

  2. Canadian Healthcare Practitioners’ Access to Evidence Based Information Is Inequitable. A Review of: Chatterley, T., Storie, D., Chambers, T., Buckingham, J., Shiri, A., & Dorgan, M. (2012. Health information support provided by professional associations in Canada. Health Information & Libraries Journal, 29(3, 233-241.

    Directory of Open Access Journals (Sweden)

    Maria Melssen

    2013-06-01

    Full Text Available Objective – To determine what services and resources are available to health professionals through national Canadian and Alberta based health professional associations and licensing colleges and if those resources and services are being used. Also, to assess the associations’ perceptions of what resources and services Canadian health professionals actually need and if those needs are being met, membership satisfaction with the resources and services provided, and challenges the associations have with providing resources and services.Design – Structured telephone interview.Setting – Health professional associations and licensing colleges in Canada.Subjects – 23 health professional associations: 9 Alberta-based associations and 14 national-level professional associations and licensing colleges.Methods – A librarian, communications officer, or another individual in a comparable position at each association was invited via email to participate in the study. Individuals willing to participate in the interview were emailed the interview questions in advance. Telephone interviews were conducted in July and August of 2009. For those who did not respond to the email request or who did not wish to participate in the interviews, information was collected from the association’s website.Main Results – Of the 23 contacted associations 12 agreed to be interviewed: less than 50% response rate. Data was collected from websites of seven associations that either declined to be interviewed or did not respond to the authors’ email request. Data were unavailable for four associations due to data being in members only sections of the websites. Data were analyzed both qualitatively and quantitatively.Resources and services provided by the associations and licensing colleges range from none to reference services provided by a librarian and access to licensed databases.None of the three licensing colleges or the two provincial associations interviewed maintains usage statistics or surveys their members. Nor do they grant access to licensed databases or offer information services, such as having a librarian or other information professional available to answer reference questions or to perform mediated literature searches. The two provincial associations and the three licensing colleges interviewed do supply information pertinent to health professionals, for example insurance information and funding.Seven national associations were interviewed: two permit access to databases developed by that association and three grant access to licensed databases such as Medline. All seven national associations provide access to journals (four of the seven only provide access to their own association’s journal and five offer information services. Four maintain usage statistics and five survey their members.Of the seven associations not interviewed, none grant access to licensed databases and one permits access to databases developed by that association. Five provide access to their own association’s journal and one provides book loans. Only one offers information services. Cost and the priority to provide resources to staff over members are barriers when trying to provide association members’ services and resources.Conclusion – Health professionals’ access to health information varies depending on the professional’s area of specialization, location in Canada, and particular association memberships. There is no consistency as to what health information is available to all health professionals in Canada, specifically Alberta. The majority of the associations do not provide resources and services, nor do they survey members to assess their usage, desires, needs, or satisfaction with resources and services. Usage rates are low for the associations that do track resource and service usage.A resource list of freely available online health information should be generated to mitigate existing disparities without accruing additional cost factors. Also, a partnership between hospital and academic libraries with various ass

  3. A visibilidade e representação social das religiões nos selos postais brasileiros (The visibility and social representations of religions in Brazil postage stamps.DOI: 10.5752/P.2175-5841.2012v10n25p233

    Directory of Open Access Journals (Sweden)

    Diego Andres Salcedo

    2012-03-01

    Full Text Available Normal 0 21 false false false PT-BR X-NONE X-NONE MicrosoftInternetExplorer4 Este trabalho analisa a forma com a qual o selo postal brasileiro contribuiu para a construção de representações da religião católica em relação a outras práticas religiosas. Foi considerado, para isso, a concepção deste artefato enquanto media, texto semiótico e sua estreita relação com o discurso religioso. O corpus é composto por selos postais comemorativos brasileiros emitidos durante o século XX. A sua identificação e análise foi feita a partir do catálogo RHM. Entre o ano de 1900 e 2000, os Correios emitiram 2354 selos postais do tipo comemorativo. A partir da observação e identificação de recorrências religiosas foram compilados 222 selos postais comemorativos. O estudo correlacionou a recorrente temática religiosa com o contexto histórico brasileiro, considerando o declínio do catolicismo como maioria religiosa no país e às representações das práticas religiosas nas mídias. A conclusão indica a influência da Conferência Nacional dos Bispos do Brasil, junto ao Ministério das Comunicações e dos Correios do Brasil, consagrando e enaltecendo a visibilidade de personalidades, eventos e a práxis católica, como um discurso único e superior às demais práticas religiosas. Normal 0 21 false false false MicrosoftInternetExplorer4 Abstract This paper analyses the way in which postal Brazilian stamps have contributed to the construction of representations of the catholic religion regarding other religious practices. In this sense, the conception of these stamps was taken into account as media, semioptical texts in close relation with the religious speech. The corpus is composed by postal commemorative Brazilian stamps issued during the twentieth century. The identification and analyzes of the stamps were made through RHM catalogue.  Between the year of 1900 and 2000, the Brazilian post offices issued 2.354 commemorative postage stamps. From the observation and identification of religious recurrences 222 commemorative stamps were compiled. The study correlated the recurring religious theme with the historical Brazilian context, taking into account the decline of the Catholicism as the major religion in Brazil and also the representations of the religious practices in the media. The conclusion of this paper indicates the influence of the National Conference of the Bishops of Brazil regarding the Ministry of the Communications, establishing and enforcing the visibility of Brazilian personalities, events, and also of catholic practices taken as special and superior in comparison with other religious practices.Key-words: Brazil; Religion; Postage Stamps; Social Representation; Visibility.

  4. International Electronic Journal of Elementary Educ ation, 2013, 5(3, 233-248. ISSN:1307 9298 Copyright © IEJEE www.iejee.com Relationship among Students’ Attitudes, Intentions and Behaviors towards the Inclusion of Peers with Disabilities, in Mainstream Physical Education Classes

    Directory of Open Access Journals (Sweden)

    Evangelos BEBETSOS

    2013-07-01

    Full Text Available Students’ attitudes, intentions and behaviours towards their peers with disabilities are important to their mutual co existence and development. The aim of this study was to investigate a whetherstudents’ attitudes and intentions towards their schoolmates with disabilities are related to their general and modified behavior in mainstream physical education classes, and b if the former variables could serve as predictors of the latter. The participants, 172 children without disabilities(Mage=11.15,SD=.70, completed the revised version of the Planned Behavior Theory questionnaire(PBT and the Children’s’ Attitudes towards Inclusion in Physical Education – Revised questionnaire(CAIPE R. Although results revealed several correlations among the variables under study, only general attitudes accounted for both general and modified behavior, and attitudes for modified behavior. These findings could assist in educating students to develop and perform appropriate behaviours towards their peers in order to facilitate their co existence, and their mutual developmentand learning.

  5. meso-4,4′-Dimethoxy-2,2′-{[(3aR,7aS-2,3,3a,4,5,6,7,7a-octahydro-1H-benzimidazole-1,3-diyl]bis(methylene}diphenol

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2013-07-01

    Full Text Available The title compound, C23H30N2O4, a di-Mannich base derived from 4-methoxyphenol and cis-1,2-diaminecyclohexane, has a perhydrobenzimidazolidine nucleus, in which the cyclohexane ring adopts a chair conformation and the heterocyclic ring has a half-chair conformation with a C—N—C—C torsion angles of −48.14 (15 and −14.57 (16°. The mean plane of the heterocycle makes dihedral angles of 86.29 (6 and 78.92 (6° with the pendant benzene rings. The molecular structure of the title compound shows the presence of two interactions between the N atoms of the imidazolidine ring and the hydroxyl groups through intramolecular O—H...N hydrogen bonds with graph-set motif S(6. The unobserved lone pairs of the N atoms are presumed to be disposed in a syn conformation, being only the second example of an exception to the typical `rabbit-ears' effect in 1,2-diamines.

  6. 4,4′-Diiodo-2,2′-[(3aR,7aR-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diylbis(methylene]diphenol

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-09-01

    Full Text Available In the crystal structure of the title compound, C21H24I2N2O2, the two N atoms of the imidazolidine moiety are linked to the hydroxy groups by intramolecular O—H...N hydrogen-bonding interactions. The cyclohexane ring adopts a chair conformation and the heterocyclic ring to which it is fused has a twisted envelope conformation.

  7. Dimethyl 4,4′-dihydroxy-3,3′-{[(3aRS,7aRS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylene}dibenzoate

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-11-01

    Full Text Available The title compound, C25H30N2O6, has the imidazolidine ring in an envelope conformation. There are two intramolecular O—H...N hydrogen-bond interactions with graph-set motif S(6. The cyclohexane ring adopts a slightly distorted chair conformation. One methyl carboxylate substituent forms a dihedral angle of 12.00 (5° with the plane of the benzene ring, while the other methyl carboxylate group is almost coplanar, making a dihedral angle of 2.26 (9°. In the crystal, pairs of intermolecular C—H...O hydrogen bonds form racemic dimers, corresponding to an R22(18 graph-set motif. Further weak C—H...O interactions generate a chain running along the c axis.

  8. Di-n-propyl 4,4′-dihydroxy-3,3′-{[(3aRS,7aRS-2,3,3a,4,5,6,7,7a-octahydro-1H-benzimidazole-1,3-diyl]bis(methylene}dibenzoate

    Directory of Open Access Journals (Sweden)

    Karla Fejfarová

    2011-10-01

    Full Text Available The title compound, C29H38N2O6, was prepared as model for studying intramolecular hydrogen-bonding interactions. Molecules of the title compound are located on a crystallographic twofold rotation axis, which passes through the C atom linked to the two N atoms on the imidazolidine ring. The molecular structure shows the existence of two intramolecular O—H...N hydrogen-bonding interactions between the two N atoms of the imidazolidine moiety and the hydroxy groups in the aromatic rings. The crystal structure shows the strain of ring fusion in the perhydrobenzimidazole moiety according to the endocyclic bond angles and the torsion angles, which evidence a puckering of the cyclohexane ring with respect to normal tetrahedral bond angles in an ideal chair conformation.

  9. 4,4′-Dimethoxy-2,2′-{[(3aRS,7aRS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylene}diphenol

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-09-01

    Full Text Available The title compound, C23H30N2O4, is a Mannich base useful for studying the effect of an electron-donating phenol substituent on intramolecular hydrogen bonding. In the molecular structure, the cyclohexane ring adopts a chair conformation and the five-membered ring has a twisted envelope conformation. Each methoxy group is oriented in the same plane of the respective aromatic ring, showing torsion angles below 11.8 (3° and bond angles between the methoxy group and the aromatic ring of 116.6 (2 and 116.6 (1°. The structure shows interactions between two the N atoms of the heterocyclic ring and the hydroxy groups by intramolecular O—H...N hydrogen-bonding interactions. In the crystal, C—H...O interactions are observed. The crystal studied was a racemic mixture of RR and SS enantiomers.

  10. 4,4′-Dichloro-3,3′,5,5′-tetramethyl-2,2′-[(3aR,7aR/3aS,7aS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diylbis(methylene]diphenol

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-08-01

    Full Text Available In the title compound, C25H32Cl2N2O2, there are two intramolecular O—H... N hydrogen-bonding interactions between the hydroxy groups on the aromatic rings and the two N atoms of the heterocyclic group. The cyclohexane ring adopts a chair conformation and the imidazolidine unit to which it is fused has a twisted envelope conformation. The asymmetric unit comprises one half-molecule which is completed by a twofold rotation axis. A C—H...O interaction is observed in the crystal structure.

  11. 4,4′-Dibromo-2,2′-{[(3aS,7aS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylidene}diphenol

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-04-01

    Full Text Available The cyclohexane ring in the title compound, C21H24Br2N2O2, adopts a chair conformation and the five-membered ring to which it is fused has a twisted envelope conformation. The asymmetric unit contains one half-molecule, which is related to the other half by a twofold rotation axis. The two N atoms of the five-membered ring are linked to the hydroxy groups by intramolecular O—H...N hydrogen bonds. In the crystal, intermolecular C—H...O and C—H...π interactions occur.

  12. 4,4′-Dichloro-2,2′-[(3aR,7aR/3aS,7aS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diylbis(methylene]diphenol

    Directory of Open Access Journals (Sweden)

    Michal Dušek

    2010-10-01

    Full Text Available Molecules of the the title compound, C21H24Cl2N2O2, are located on a twofold rotation axis, which passes through the C atom linking the two N atoms. Two intramolecular O—H...N hydrogen bonds were observed. In the crystal, non-classical intermolecular C—H...O hydrogen bonds link the molecules into chains along the a axis. The crystal studied was a racemic twin.

  13. Diethyl 4,4′-dihydroxy-3,3′-{[(3aRS,7aRS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylene}dibenzoate

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-11-01

    Full Text Available The heterocyclic ring in the title compound, C27H34N2O6, has an envelope conformation on one of the bridgehead C atoms [Q(2 = 0.4487 (19 Å and ϕ = 291.3 (2°]. Two strong intramolecular O—H...N hydrogen bonds stabilize the molecular conformation. The benzoate groups differ in the relative orientations of the ethyl groups, as quantified by the values of the C—O—C—C torsion angles of −86.5 (2 and −178.97 (17°. The carbonyl groups are nearly coplanar with the benzene rings, forming C—C—C—O torsion angles of 0.9 (3 and 3.4 (3°. The crystal structure is stabilized by weak intermolecular C—H...O interactions.

  14. meso-4,4′-Difluoro-2,2′-{[(3aR,7aS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylene}diphenol

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2013-02-01

    Full Text Available In the crystal structure of the title compound, C21H24F2N2O2, there are two intramolecular O—H...N hydrogen bonds involving the N atoms of the imidazolidine ring and the hydroxy groups. The crystal studied was a meso compound obtained by the reaction of the aminal (2S,7R,11S,16R-1,8,10,17-tetraazapentacyclo[8.8.1.18,17.02,7.011,16]cosane with 4-fluorophenol. The imidazolidine ring has a twisted conformation with a CH—CH—N—CH2 torsion angle of 44.99 (14° and, surprisingly, the lone pairs of the N atoms are disposed in a syn isomerism, making the title compound an exception to the typical `rabbit-ear effect' in 1,2-diamines. In the crystal, molecules are linked via C—H...F hydrogen bonds, forming chains along the c-axis direction. These chains are linked via another C—H...F hydrogen bond, forming a three-dimensional network.

  15. Di-n-butyl 4,4′-dihydroxy-3,3′-{[(3aRS,7aRS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylene}dibenzoate

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-09-01

    Full Text Available The complete molecule of the title compound, C31H42N2O6, is generated by crystallographic twofold symmetry, with one C atom lying on the axis. The dihedral angle between the aromatic rings is 57.03 (6°. The central heterocyclic ring adopts a half-chair conformation. The molecular conformation is stabilized by two intramolecular O—H...N hydrogen bonds with the N atoms of the heterocyclic ring as the acceptors. In the crystal, molecules are linked into chains along the c axis by non-classical C—H...O hydrogen bonds.

  16. 4,4′-Difluoro-2,2′-{[(3aRS,7aRS-2,3,3a,4,5,6,7,7a-octahydro-1H-1,3-benzimidazole-1,3-diyl]bis(methylene]}diphenol

    Directory of Open Access Journals (Sweden)

    Augusto Rivera

    2011-06-01

    Full Text Available In the crystal structure of the title compound, C21H24F2N2O2, the two N atoms of the imidazolidine moiety are linked to the hydroxy groups by intramolecular O—H...N hydrogen-bonding interactions. The crystal studied was a racemic mixture of RR and SS enatiomers. The cyclohexane ring adopts a chair conformation and the imidazolidine group to which it is fused has a twisted envelope conformation.

  17. Commentary on "Goodacre R, Timmins ÉM, Rooney PJ, Rowland JJ, Kell DB: Rapid identification of Streptococcus and Enterococcus species using diffuse reflectance-absorbance Fourier transform infrared spectroscopy and artificial neural networks. FEMS Microbiol Lett 1996; 140:233-239", the most cited paper in the Journal for that year.

    Science.gov (United States)

    Goodacre, Royston; Kell, Douglas B

    2017-01-26

    This is an invited review/commentary by the first and last authors of a paper that was the most cited in FEMS Microbiology Letters for 1996, presently showing in excess of 150 citations at Web of Science, and over 200 at Google Scholar. It was the first paper in which diffuse-reflectance-absorbance FT-IR spectroscopy was used with a supervised learning method in the form of artificial neural networks, and showed that this combination could succeed in discriminating a series of closely related, clinically relevant, Gram-positive bacterial strains.

  18. Synthesis and Crystal Structure of (CH2)3(3, 5-Me2Pz)2·[PhBr2Sn(CH2)SnBr2Ph]·2HBr·2H2O (Pz = pyrazole)

    Institute of Scientific and Technical Information of China (English)

    王志宏; 唐良富; 柴建方; 王积涛; 王宏根

    2002-01-01

    The reaction of bis(dibromophenylstannyl)methane with 1, 3-bis(3, 5-dimethyl- pyrazol-1-yl)propane in a 1:1 or 1:2 ratio yields only 1:1 adduct which partly hydrolyzes to the title complex (C26H38Br6N4O2Sn2, Mr = 1155.42) during crystal growing. The title complex is of triclinic, space group P ī with a = 10.886(1), b = 12.508(1), c = 13.879(1) ?, α = 85.762(2), β = 85.159(2), γ = 84.020(2)°, V = 1868.8(4) ?3, Z = 2, Dc = 2.046 g/cm3, λ(MoKα) = 0.71073 ?, μ = 7.778 mm-1, F(000) = 1088, R = 0.0488 and wR = 0.1157 for 7560 observed reflections with I ≥ 2σ(I). The crystal structure analysis indicates that there is no direct interaction between the ligand and bis(dibromophenylstannyl)methane, and two tin atoms are bridged by two bromide atoms from the partial hydrolysis of this adduct.

  19. Dicty_cDB: AFF147 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available laevis retinoblastoma A as... 233 2e-60 (Q9W7I5) RecName: Full=Histone-binding protein RBBP4... Full=Histone-binding protein RBBP4-A; AltName:... 233 2e-60 ( Q09028 ) RecName: ...Full=Histone-binding protein RBBP4; AltName: F... 233 2e-60 (Q5M7K4) RecName: Full=Histone-binding protein RBBP4...; AltName: F... 233 2e-60 (Q6INH0) RecName: Full=Histone-binding protein RBBP4-B; AltName:... 233 2e-60

  20. DISSOLVED CONCENTRATION LIMITS OF RADIOACTIVE ELEMENTS

    Energy Technology Data Exchange (ETDEWEB)

    P. Bernot

    2005-07-13

    The purpose of this study is to evaluate dissolved concentration limits (also referred to as solubility limits) of elements with radioactive isotopes under probable repository conditions, based on geochemical modeling calculations using geochemical modeling tools, thermodynamic databases, field measurements, and laboratory experiments. The scope of this activity is to predict dissolved concentrations or solubility limits for elements with radioactive isotopes (actinium, americium, carbon, cesium, iodine, lead, neptunium, plutonium, protactinium, radium, strontium, technetium, thorium, and uranium) relevant to calculated dose. Model outputs for uranium, plutonium, neptunium, thorium, americium, and protactinium are provided in the form of tabulated functions with pH and log fCO{sub 2} as independent variables, plus one or more uncertainty terms. The solubility limits for the remaining elements are either in the form of distributions or single values. Even though selection of an appropriate set of radionuclides documented in Radionuclide Screening (BSC 2002 [DIRS 160059]) includes actinium, transport of Ac is not modeled in the total system performance assessment for the license application (TSPA-LA) model because of its extremely short half-life. Actinium dose is calculated in the TSPA-LA by assuming secular equilibrium with {sup 231}Pa (Section 6.10); therefore, Ac is not analyzed in this report. The output data from this report are fundamental inputs for TSPA-LA used to determine the estimated release of these elements from waste packages and the engineered barrier system. Consistent modeling approaches and environmental conditions were used to develop solubility models for the actinides discussed in this report. These models cover broad ranges of environmental conditions so they are applicable to both waste packages and the invert. Uncertainties from thermodynamic data, water chemistry, temperature variation, and activity coefficients have been quantified or

  1. Analysis of the Yrast Bands with q-Deformed Moment of Inertia

    Institute of Scientific and Technical Information of China (English)

    FANG Xiang-Zheng; RUAN Tu-Nan

    2001-01-01

    The rigid-rotor with a q-deformed moment of inertia is introduced to describe the nuclear rotational spectra. With the representations of quantum algebra, the normal deformed and superdeformed bands are naturally differentiated by softness. The yrast normal deformed bands in rare earth and actinium regions, as well as the yrast superdeformed bands in A-190 and 150 regions are investigated. The calculated results agree with experimental data qualitatively well, and the values of the parameters are physically reasonable. This indicates that the fixed deformation, the stretching effect and the many body statistics effect are three possible dominant factors to govern nuclear rotational bands.

  2. Transition wavelengths and unresolved transition array statistics of ions with Z = 72-89

    Energy Technology Data Exchange (ETDEWEB)

    Kilbane, D, E-mail: Deirdre.Kilbane@ucd.ie [School of Physics, University College Dublin, Belfield, Dublin 4 (Ireland)

    2011-08-28

    Potential extreme ultraviolet and soft x-ray radiation sources have been identified, using the flexible atomic code (FAC), as emission peaks arising from the 4d-4f and 4p-4d transitions in Pd-like to Rb-like ions of hafnium through actinium. The effects of configuration interaction are investigated and for increasing nuclear charge, these strong emitters are seen to separate and move to shorter wavelengths. Each source is characterized using the unresolved transition array model. They are proposed to complement the currently used nitrogen and argon sources in the 'water window', and as possible successors to tin in next-generation lithography.

  3. Detection of rare earth elements in Powder River Basin sub-bituminous coal ash using laser-induced breakdown spectroscopy (LIBS)

    Energy Technology Data Exchange (ETDEWEB)

    Tran, Phuoc [National Energy Technology Lab. (NETL), Pittsburgh, PA, (United State; Mcintyre, Dustin [National Energy Technology Lab. (NETL), Pittsburgh, PA, (United State

    2015-10-01

    We reported our preliminary results on the use of laser-induced breakdown spectroscopy to analyze the rare earth elements contained in ash samples from Powder River Basin sub-bituminous coal (PRB-coal). We have identified many elements in the lanthanide series (cerium, europium, holmium, lanthanum, lutetium, praseodymium, promethium, samarium, terbium, ytterbium) and some elements in the actinide series (actinium, thorium, uranium, plutonium, berkelium, californium) in the ash samples. In addition, various metals were also seen to present in the ash samples

  4. Purification of cerium, neodymium and gadolinium for low background experiments

    Directory of Open Access Journals (Sweden)

    Boiko R.S.

    2014-01-01

    Full Text Available Cerium, neodymium and gadolinium contain double beta active isotopes. The most interesting are 150Nd and 160Gd (promising for 0ν2β search, 136Ce (2β+ candidate with one of the highest Q2β. The main problem of compounds containing lanthanide elements is their high radioactive contamination by uranium, radium, actinium and thorium. The new generation 2β experiments require development of methods for a deep purification of lanthanides from the radioactive elements. A combination of physical and chemical methods was applied to purify cerium, neodymium and gadolinium. Liquid-liquid extraction technique was used to remove traces of Th and U from neodymium, gadolinium and for purification of cerium from Th, U, Ra and K. Co-precipitation and recrystallization methods were utilized for further reduction of the impurities. The radioactive contamination of the samples before and after the purification was tested by using ultra-low-background HPGe gamma spectrometry. As a result of the purification procedure the radioactive contamination of gadolinium oxide (a similar purification efficiency was reached also with cerium and neodymium oxides was decreased from 0.12 Bq/kg to 0.007 Bq/kg in 228Th, from 0.04 Bq/kg to <0.006 Bq/kg in 226Ra, and from 0.9 Bq/kg to 0.04 Bq/kg in 40K. The purification methods are much less efficient for chemically very similar radioactive elements like actinium, lanthanum and lutetium.

  5. The Technological Enhancement of Normally Occurring Radioactive Materials in Red Mud due to the Production of Alumina

    Directory of Open Access Journals (Sweden)

    Maurice O. Miller

    2016-01-01

    Full Text Available This study investigates the level of technological enhancement of normally occurring radioactive materials (TENORM in the red mud waste due to the production of alumina in Jamaica. Technological enhancements factors (TEF were determined for the uranium, thorium, actinium series, their progenies, and the nonseries potassium-40 using gamma spectrometry. The study concluded that bauxite production technologically enhances the uranium progenies Th-234, Pb-214, Bi-214, and Pa-234 and the thorium-232 progenies Ac-228, Pb-212, and Bi-212 in red mud. The actinium series was technologically enhanced, but K-40 and the thorium daughter, Tl-208, were reduced. The spectrometric comparison of Tl-208 (at 510 keV was unexpected since its other photopeaks at 583 keV, 934 keV, and 968 keV were markedly different. An explanation for this anomaly is discussed. An explanation regarding the process of accumulation and fractionation of organically derived phosphate deposits and potassium-feldspar is offered to explain the spectrometric differences between the alumina product and its waste material, red mud.

  6. Thorium and the Third Fuel

    Energy Technology Data Exchange (ETDEWEB)

    Dukert, Joseph M.

    1970-01-01

    This booklet discusses energy sources for nuclear power plants. Uranium-235 by itself will not be able to handle the energy needs. The two man-made supplements that can be used for nuclear power plants energy sources are plutonium and uranium-233. Uranium-233 is an isotope that appears as a result of radioactive decay after neutrons have been absorbed in thorium-232. This uranium-233 is called the third fuel.

  7. ß-Lysine discrimination by lysyl-tRNA synthetase

    DEFF Research Database (Denmark)

    Gilreath, Marla S; Roy, Hervé; Bullwinkle, Tammy J

    2011-01-01

    guided by the PoxA structure. A233S LysRS behaved as wild type with a-lysine, while the G469A and A233S/G469A variants decreased stable a-lysyl-adenylate formation. A233S LysRS recognized ß-lysine better than wildtype, suggesting a role for this residue in discriminating a- and ß-amino acids. Both...

  8. Domain Modeling: NP_055027.1 [SAHG[Archive

    Lifescience Database Archive (English)

    Full Text Available NP_055027.1 chr12 Homeodomain d2hoaa_ chr12/NP_055027.1/NP_055027.1_apo_233-294.pdb... d1ahdp_ chr12/NP_055027.1/NP_055027.1_holo_233-294.pdb blast 233R,234K,235K,236R,237C,239Y,255V,256Y,257I,2

  9. Fast Thorium Molten Salt Reactors started with Plutonium

    OpenAIRE

    Merle-Lucotte, E.; Heuer, D.; Le Brun, C.; Mathieu, L.; Brissot, R.; Liatard, E.; Méplan, O.; Nuttin, A.

    2006-01-01

    One of the pending questions concerning Molten Salt Reactors based on the 232Th/233U fuel cycle is the supply of the fissile matter, and as a consequence the deployment possibilities of a fleet of Molten Salt Reactors, since 233U does not exist on earth and is not yet produced in the current operating reactors. A solution may consist in producing 233U in special devices containing Thorium, in Pressurized Water or Fast Neutrons Reactors. Two alternatives to produce 233U are examined here: dire...

  10. Scoping Review of the Zika Virus Literature.

    Directory of Open Access Journals (Sweden)

    Lisa A Waddell

    Full Text Available The global primary literature on Zika virus (ZIKV (n = 233 studies and reports, up to March 1, 2016 has been compiled using a scoping review methodology to systematically identify and characterise the literature underpinning this broad topic using methods that are documented, updateable and reproducible. Our results indicate that more than half the primary literature on ZIKV has been published since 2011. The articles mainly covered three topic categories: epidemiology of ZIKV (surveillance and outbreak investigations 56.6% (132/233, pathogenesis of ZIKV (case symptoms/ outcomes and diagnosis 38.2% (89/233 and ZIKV studies (molecular characterisation and in vitro evaluation of the virus 18.5% (43/233. There has been little reported in the primary literature on ZIKV vectors (12/233, surveillance for ZIKV (13/233, diagnostic tests (12/233 and transmission (10/233. Three papers reported on ZIKV prevention/control strategies, one investigated knowledge and attitudes of health professionals and two vector mapping studies were reported. The majority of studies used observational study designs, 89.7% (209/233, of which 62/233 were case studies or case series, while fewer (24/233 used experimental study designs. Several knowledge gaps were identified by this review with respect to ZIKV epidemiology, the importance of potential non-human primates and other hosts in the transmission cycle, the burden of disease in humans, and complications related to human infection with ZIKV. Historically there has been little research on ZIKV; however, given its current spread through Australasia and the Americas, research resources are now being allocated to close many of the knowledge gaps identified in this scoping review. Future updates of this project will probably demonstrate enhanced evidence and understanding of ZIKV and its impact on public health.

  11. Scoping Review of the Zika Virus Literature.

    Science.gov (United States)

    Waddell, Lisa A; Greig, Judy D

    2016-01-01

    The global primary literature on Zika virus (ZIKV) (n = 233 studies and reports, up to March 1, 2016) has been compiled using a scoping review methodology to systematically identify and characterise the literature underpinning this broad topic using methods that are documented, updateable and reproducible. Our results indicate that more than half the primary literature on ZIKV has been published since 2011. The articles mainly covered three topic categories: epidemiology of ZIKV (surveillance and outbreak investigations) 56.6% (132/233), pathogenesis of ZIKV (case symptoms/ outcomes and diagnosis) 38.2% (89/233) and ZIKV studies (molecular characterisation and in vitro evaluation of the virus) 18.5% (43/233). There has been little reported in the primary literature on ZIKV vectors (12/233), surveillance for ZIKV (13/233), diagnostic tests (12/233) and transmission (10/233). Three papers reported on ZIKV prevention/control strategies, one investigated knowledge and attitudes of health professionals and two vector mapping studies were reported. The majority of studies used observational study designs, 89.7% (209/233), of which 62/233 were case studies or case series, while fewer (24/233) used experimental study designs. Several knowledge gaps were identified by this review with respect to ZIKV epidemiology, the importance of potential non-human primates and other hosts in the transmission cycle, the burden of disease in humans, and complications related to human infection with ZIKV. Historically there has been little research on ZIKV; however, given its current spread through Australasia and the Americas, research resources are now being allocated to close many of the knowledge gaps identified in this scoping review. Future updates of this project will probably demonstrate enhanced evidence and understanding of ZIKV and its impact on public health.

  12. Scoping Review of the Zika Virus Literature

    Science.gov (United States)

    2016-01-01

    The global primary literature on Zika virus (ZIKV) (n = 233 studies and reports, up to March 1, 2016) has been compiled using a scoping review methodology to systematically identify and characterise the literature underpinning this broad topic using methods that are documented, updateable and reproducible. Our results indicate that more than half the primary literature on ZIKV has been published since 2011. The articles mainly covered three topic categories: epidemiology of ZIKV (surveillance and outbreak investigations) 56.6% (132/233), pathogenesis of ZIKV (case symptoms/ outcomes and diagnosis) 38.2% (89/233) and ZIKV studies (molecular characterisation and in vitro evaluation of the virus) 18.5% (43/233). There has been little reported in the primary literature on ZIKV vectors (12/233), surveillance for ZIKV (13/233), diagnostic tests (12/233) and transmission (10/233). Three papers reported on ZIKV prevention/control strategies, one investigated knowledge and attitudes of health professionals and two vector mapping studies were reported. The majority of studies used observational study designs, 89.7% (209/233), of which 62/233 were case studies or case series, while fewer (24/233) used experimental study designs. Several knowledge gaps were identified by this review with respect to ZIKV epidemiology, the importance of potential non-human primates and other hosts in the transmission cycle, the burden of disease in humans, and complications related to human infection with ZIKV. Historically there has been little research on ZIKV; however, given its current spread through Australasia and the Americas, research resources are now being allocated to close many of the knowledge gaps identified in this scoping review. Future updates of this project will probably demonstrate enhanced evidence and understanding of ZIKV and its impact on public health. PMID:27244249

  13. Drug: D02052 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available D02052 Drug Barium sulfate (JP16/USP); Baricon (TN) Ba. SO4 233.857 233.3896 D02052...R:br08301] 7 Agents not mainly for therapeutic purpose 72 Intracorporeal diagnostic agents 721 X-ray contrast media 7212 Barium... salts D02052 Barium sulfate (JP16/USP) CAS: 7727-43-7 PubChem

  14. PROCESS FOR CONTINUOUSLY SEPARATING IRRADIATION PRODUCTS OF THORIUM

    Science.gov (United States)

    Hatch, L.P.; Miles, F.T.; Sheehan, T.V.; Wiswall, R.H.; Heus, R.J.

    1959-07-01

    A method is presented for separating uranium-233 and protactinium from thorium-232 containing compositions which comprises irradiating finely divided particles of said thorium with a neutron flux to form uranium-233 and protactinium, heating the neutron-irradiated composition in a fluorine and hydrogen atmosphere to form volatile fluorides of uranium and protactinium and thereafter separating said volatile fluorides from the thorium.

  15. 77 FR 40380 - Outer Continental Shelf, Gulf of Mexico, Oil and Gas Lease Sales, Western Planning Area Lease...

    Science.gov (United States)

    2012-07-09

    ... Bureau of Ocean Energy Management Outer Continental Shelf, Gulf of Mexico, Oil and Gas Lease Sales, Western Planning Area Lease Sale 233 and Central Planning Area Lease Sale 231 AGENCY: Bureau of Ocean... proposed Western Planning Area (WPA) Lease Sale 233 and Central Planning Area (CPA) Lease Sale 231...

  16. Domain Modeling: NP_001009882.1 [SAHG[Archive

    Lifescience Database Archive (English)

    Full Text Available NP_001009882.1 chr1 Crystal structure of human myristoyl-CoA:protein N-myristoyltra...nsferase. d1rxta_ chr1/NP_001009882.1/NP_001009882.1_apo_91-233.pdb c1rxtc_ chr1/NP_001009882.1/NP_001009882.1_holo_91-233.pdb forte 197E CMO 1 ...

  17. GETDB: 104773 [GETDB

    Lifescience Database Archive (English)

    Full Text Available cells (SG) cns+pns shs2, coxal ring. - lethal - comment1:A, comment2:33E1-E7 d1 d...xal ring. Adult GFP - Lethality lethal Also known as - Original Comments comment1:A, comment2:33E1-E7 Disc (

  18. GETDB: 103756 [GETDB

    Lifescience Database Archive (English)

    Full Text Available # of cells - sg, hg, tr (all) - lethal - comment1:A, comment2:33B1 - - - - Show 1...lity lethal Also known as - Original Comments comment1:A, comment2:33B1 Disc (Image) - Disc (number) 0 Embry

  19. School functioning in 8- to 18-year-old children born after in vitro fertilization

    NARCIS (Netherlands)

    Wagenaar, Karin; Ceelen, Manon; Weissenbruch, van Mirjam; Knol, Dirk; Delemarre-van de Waal, Henriette; Huisman, Jaap

    2008-01-01

    The aim of this study was to examine the school functioning of 8- to 18-year-old children born after in vitro fertilization (IVF). We compared 233 children born after IVF to 233 matched control children born spontaneously from parents with fertility problems on measures of education level, general c

  20. Dicty_cDB: VFJ896 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available sapiens CRR9 mRNA for cisplat... 233 1e-59 (Q5ZKJ0) RecName: Full=Cleft lip and palate transmembrane protei...... 233 1e-59 (Q5R7B1) RecName: Full=Cleft lip and palate transmembrane protei...

  1. Ecology of marine deposit feeders. Ed. by G. Lopez, C. Taghon and J. Levinton

    Digital Repository Service at National Institute of Oceanography (India)

    Royan, J.P

    stream_size 2 stream_content_type text/plain stream_name Indian_J_Mar_Sci_19_233.pdf.txt stream_source_info Indian_J_Mar_Sci_19_233.pdf.txt Content-Encoding ISO-8859-1 Content-Type text/plain; charset=ISO-8859-1 ...

  2. NCBI nr-aa BLAST: CBRC-BTAU-01-2984 [SEVENS

    Lifescience Database Archive (English)

    Full Text Available CBRC-BTAU-01-2984 ref|NP_048305.1| ORF MSV233 hypothetical protein [Melanoplus sang...uinipes entomopoxvirus] gb|AAC97745.1| ORF MSV233 hypothetical protein [Melanoplus sanguinipes entomopoxvirus] NP_048305.1 0.005 34% ...

  3. NCBI nr-aa BLAST: CBRC-DDIS-01-0174 [SEVENS

    Lifescience Database Archive (English)

    Full Text Available CBRC-DDIS-01-0174 ref|NP_048305.1| ORF MSV233 hypothetical protein [Melanoplus sang...uinipes entomopoxvirus] gb|AAC97745.1| ORF MSV233 hypothetical protein [Melanoplus sanguinipes entomopoxvirus] NP_048305.1 7e-08 46% ...

  4. NASA/DoD Aerospace Knowledge Diffusion Research Project. Report Number 13. Source Selection and Information Use by U.S. Aerospace Engineers and Scientists: Results of a Telephone Survey

    Science.gov (United States)

    1992-09-01

    Aerospace Knowledge Diffusion Research Project. Government Information Quarterly 8(2), 219- 233. Shuchman, H. L. (1981). Information Transfer in...Research Project. Reprinted from Government Information Quarterly , Volume 8, No. 2 (1991): 219-233. (Available from AIAA 91A35455.) 1 1 Pinelli, Thomas

  5. Engineering Work and Information Use in Aerospace: Results of a Telephone Survey

    Science.gov (United States)

    1992-10-01

    and Rebecca 0. Barclay. "The NASA/DoD Aerospace Knowledge Diffusion Research Project." Government Information Quarterly 8.2 (1991): 219-233. Polanyi...Aerospace Knowledge Diffusion Research Project. Reprinteo .om Government Information Quarterly , Volume 8, No. 2 (1991): 219-233. (Available from AIAA

  6. NASA/DOD Aerospace Knowledge Diffusion Research Project. A Comparison of the Technical Communication Practices of Aerospace Engineers and Scientists in India and the United States

    Science.gov (United States)

    1993-09-01

    34The NASA/DoD Aerospace Knowledge Diffusion Research Project." Government Information Quarterly 8:2 (1991): 219-233. 35 APPENDIX A AEROSPACE KNOWLEDGE... Government Information Quarterly , Volume 8, No. 2 (1991): 219-233. (Available from AIAA 91A35455.) 1 1 Pinelli, Thomas E. and John M. Kennedy. The

  7. Technical Uncertainty and Project Complexity as Correlates of Information Use by U.S. Industry-Affiliated Aerospace Engineers and Scientists: Results of an Exploratory Investigation

    Science.gov (United States)

    1993-09-01

    Barclay. (1991). "The NASA/DoD Aerospace Knowledge Diffusion Research Project." Government Information Quarterly 8:2, 219-233. Randolph, W. Alan. (1978...from Government Information Quarterly , Volume 8, No. 2 (1991): 219-233. (Available from AIAA 91A35455.) 1 1 Pinelli, Thomas E. and John M. Kennedy

  8. GETDB: 113556 [GETDB

    Lifescience Database Archive (English)

    Full Text Available titute of Genetics. FM7c Link to clone table - 1 233 Link to cluster table 233 1 Request - CNS+PNS in stg 15. limited...nic Expression CNS+PNS in stg 15. limited to posterior midline in stg 10 bro. Larval GFP subset of PNS? two

  9. Drug: D10007 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available D10007 Drug Faxeladol (USAN/INN) C15H23NO 233.178 233.3492 D10007.gif Analgesic age...nt CAS: 433265-65-7 PubChem: 135626728 LigandBox: D10007 ATOM 17 1 C1a C 20.3000 -24.1500 2 N1c N 21.5124 -2

  10. Summary and conclusions

    Digital Repository Service at National Institute of Oceanography (India)

    Rao, D.G.; Murthy, K.S.R.; Neprochnov, Y.P.; Subrahmanyam, C.

    stream_size 4 stream_content_type text/plain stream_name Mem_Geol_Soc_India_1998_39_233.pdf.txt stream_source_info Mem_Geol_Soc_India_1998_39_233.pdf.txt Content-Encoding ISO-8859-1 Content-Type text/plain; charset=ISO-8859-1 ...

  11. Process for radioisotope recovery and system for implementing same

    Science.gov (United States)

    Meikrantz, David H.; Todd, Terry A.; Tranter, Troy J.; Horwitz, E. Philip

    2007-01-02

    A method of recovering daughter isotopes from a radioisotope mixture. The method comprises providing a radioisotope mixture solution comprising at least one parent isotope. The at least one parent isotope is extracted into an organic phase, which comprises an extractant and a solvent. The organic phase is substantially continuously contacted with an aqueous phase to extract at least one daughter isotope into the aqueous phase. The aqueous phase is separated from the organic phase, such as by using an annular centrifugal contactor. The at least one daughter isotope is purified from the aqueous phase, such as by ion exchange chromatography or extraction chromatography. The at least one daughter isotope may include actinium-225, radium-225, bismuth-213, or mixtures thereof. A liquid-liquid extraction system for recovering at least one daughter isotope from a source material is also disclosed.

  12. Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

    Science.gov (United States)

    Ferrer, R.; Barzakh, A.; Bastin, B.; Beerwerth, R.; Block, M.; Creemers, P.; Grawe, H.; de Groote, R.; Delahaye, P.; Fléchard, X.; Franchoo, S.; Fritzsche, S.; Gaffney, L. P.; Ghys, L.; Gins, W.; Granados, C.; Heinke, R.; Hijazi, L.; Huyse, M.; Kron, T.; Kudryavtsev, Yu.; Laatiaoui, M.; Lecesne, N.; Loiselet, M.; Lutton, F.; Moore, I. D.; Martínez, Y.; Mogilevskiy, E.; Naubereit, P.; Piot, J.; Raeder, S.; Rothe, S.; Savajols, H.; Sels, S.; Sonnenschein, V.; Thomas, J-C; Traykov, E.; Van Beveren, C.; Van den Bergh, P.; Van Duppen, P.; Wendt, K.; Zadvornaya, A.

    2017-01-01

    Resonant laser ionization and spectroscopy are widely used techniques at radioactive ion beam facilities to produce pure beams of exotic nuclei and measure the shape, size, spin and electromagnetic multipole moments of these nuclei. However, in such measurements it is difficult to combine a high efficiency with a high spectral resolution. Here we demonstrate the on-line application of atomic laser ionization spectroscopy in a supersonic gas jet, a technique suited for high-precision studies of the ground- and isomeric-state properties of nuclei located at the extremes of stability. The technique is characterized in a measurement on actinium isotopes around the N=126 neutron shell closure. A significant improvement in the spectral resolution by more than one order of magnitude is achieved in these experiments without loss in efficiency. PMID:28224987

  13. Temporal Variations in Surface Concentrations of Terrestrial Lead 210 and Uranium 235 Radionucleides

    Science.gov (United States)

    Yoshimori, M.

    We have started to measure the surface concentrations of terrestrial radionucleides of lead 210 and uranium 235 in Tokyo (N35, E139) in 2002. Lead 210 which is a daughter nucleus of Rn-222 (uranium series) emits 46 keV gamma-ray with a half-life of 22.4 years, while uranium 235 (actinium series) emits a gamma-ray at 186 keV with a half-life of 0.7 billion years. The present measurement of the surface concentration of lead 210 exhibits two peaks in spring and fall, similar to the beryllium 7 seasonal variations, while the uranium 235 concentration does not vary with time within statistical errors. These two terrestrial radionucleides exhibit different temporal variations on the surface. We discuss possible explanations for the differences in the temporal variations from a point of view of differences in their altitude distribution.

  14. 两种稀土产品中放射性核素分析研究%ANALYSIS OF RADIONUCLIDES IN TWO RARE EARTH PRODUCTS

    Institute of Scientific and Technical Information of China (English)

    周程; 孙恋君

    2009-01-01

    利用高纯锗γ谱仪对两个稀土产品氯化镧和氯化钇的样品进行能谱分析,研究经湿法冶炼工艺后的稀土产品中放射性核素的活度变化.结果表明,样品中存在天然放射性钍系和锕-铀系的核素,以及天然放射性核素~(138)La和~(176)Lu,但两个样品中所含的放射性核素不相同.氯化镧产品中锕-铀系和钍系核素放射性未达平衡,其主要子体~(224)Ra和~(227)Th的含量随时间发生明显变化,约60天达到平衡;而氯化钇产品没有这种现象.%This paper describes a study on raidoactivity change of rare-earth products after hydrometallurgy technology,using HPGe gamma spectrometer to analyze two rare earth products (LaCl_3 and YCl_3).The results show that in the two samples exist natural radionuclides of thorium series and actinium-uranium series as well as other natural radionuclides 138 La and 176 Lu.In the sample of lanthanum chloride the radioactivity of actinium-uranium series and thorium series has not reached balance,the contents of their main progenies ~(226)Ra and ~(227)Th obviously changes with the time,reaching balance 60 days later,while YCl_3 keeps stability.

  15. Evaluation of total effective dose due to certain environmentally placed naturally occurring radioactive materials using a procedural adaptation of RESRAD code.

    Science.gov (United States)

    Beauvais, Z S; Thompson, K H; Kearfott, K J

    2009-07-01

    Due to a recent upward trend in the price of uranium and subsequent increased interest in uranium mining, accurate modeling of baseline dose from environmental sources of radioactivity is of increasing interest. Residual radioactivity model and code (RESRAD) is a program used to model environmental movement and calculate the dose due to the inhalation, ingestion, and exposure to radioactive materials following a placement. This paper presents a novel use of RESRAD for the calculation of dose from non-enhanced, or ancient, naturally occurring radioactive material (NORM). In order to use RESRAD to calculate the total effective dose (TED) due to ancient NORM, a procedural adaptation was developed to negate the effects of time progressive distribution of radioactive materials. A dose due to United States' average concentrations of uranium, actinium, and thorium series radionuclides was then calculated. For adults exposed in a residential setting and assumed to eat significant amounts of food grown in NORM concentrated areas, the annual dose due to national average NORM concentrations was 0.935 mSv y(-1). A set of environmental dose factors were calculated for simple estimation of dose from uranium, thorium, and actinium series radionuclides for various age groups and exposure scenarios as a function of elemental uranium and thorium activity concentrations in groundwater and soil. The values of these factors for uranium were lowest for an adult exposed in an industrial setting: 0.00476 microSv kg Bq(-1) y(-1) for soil and 0.00596 microSv m(3) Bq(-1) y(-1) for water (assuming a 1:1 234U:238U activity ratio in water). The uranium factors were highest for infants exposed in a residential setting and assumed to ingest food grown onsite: 34.8 microSv kg Bq(-1) y(-1) in soil and 13.0 microSv m(3) Bq(-1) y(-1) in water.

  16. Origin of elements of the Uranium-235 family observed in the Ellez river near the EL-4 experimental nuclear reactor in dismantling (Monts d'Arree- Finistere department); Origine des elements de la famille de l'uranium-235 observes dans la riviere Ellez a proximite du reacteur nucleaire experimental EL4 en cours de demantelement (Mont d'Arree - departement du Finistere). Resultats et premiers constats annee 2006

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2006-07-01

    In a previous study which concerned the catchment basin of the harbour of Brest, the A.C.R.O. put in evidence a marking by artificial radioelements around the power plant of Brennilis which can be imputed without ambiguities to the nuclear installation. It also put in evidence abnormalities concerning the natural radioactivity which justifies this new study. In the area of the Monts d'Arree, actinium 227 ({sup 227}Ac), non born by its ascendents which are {sup 235}U and {sup 231}Pa is observed. This phenomenon is characterized by mass activities superior to these ones of {sup 235}U and able to reach these ones of {sup 238}U. Its presence corresponds with the drainage of the Ellez river since the former channel of radioactive effluents releases from the nuclear power plant EL-4 up to the reservoir Saint-Herblot situated 6 km downstream. The strongest values of radioactivity are registered near the disused power plant, at this place a relationship exists between the level of actinium 227 and this one of the artificial radioactivity as it exists a relationship with the decay products of radon exhaled from the subsoil ({sup 210}Pb). But its presence is not limited to a part of the Ellez river, it is equally observed in terrestrial medium, in places in priori not influenced by the direct liquid effluents of the power plant. This place is situated at more than 4 km and without any connection with the Ellez waters. At this stage of the study, it is not possible to answer with certainty the question of the origin of this phenomenon. A new reorientation is considered indispensable to clarify definitively the origin of this unknown phenomenon in the scientific publications and the environmental monitoring. (N.C.)

  17. The mode of operation of CANDU power reactor in thorium self-sufficient fuel cycle

    Directory of Open Access Journals (Sweden)

    Bergelson Boris R.

    2008-01-01

    Full Text Available This paper presents the results of calculations for CANDU reactor operation in the thorium fuel cycle. The calculations were performed to estimate feasibility of operation of a heavy-water thermal neutron power reactor in the self-sufficient thorium cycle. The parameters of the active core and the scheme of fuel reloading were considered to be the same as for the standard operation in the uranium cycle. Two modes of operation are discussed in the paper: the mode of preliminary accumulation of 233U and the mode of operation in the self-sufficient cycle. For calculations for the mode of accumulation of 233U, it was assumed that plutonium was used as the additional fissile material to provide neutrons for 233U production. Plutonium was placed in fuel channels, while 232Th was located in target channels. The maximum content of 233U in the target channels was about 13 kg/t of ThO2. This was achieved by six year irradiation. The start of reactor operation in the self-sufficient mode requires content of 233U not less than 12 kg/t. For the mode of operation in the self-sufficient cycle, it was assumed that all the channels were loaded with the identical fuel assemblies containing ThO2 and a certain amount of 233U. It was shown that the non-uniform distribution of 233U in a fuel assembly is preferable.

  18. α谱法测定低微量铀、钍含量的研究

    Institute of Scientific and Technical Information of China (English)

    夏明; 周秀云

    1982-01-01

    Alpha-spectrometric technique is described as an independent method of determining micro-content of U233 and Th233. This method is based on the comparison of U234 and Th233 alpha spectral activity in geological samples with U232 and Th233 spectral activity contributed by the spike of known concentration. The experiment procedure consists in dissolving fine powdered sample with acid and adding a given amount of U232-Th223 spike. The uranium and thorium are then separated by ion exchange. After purification each fraction is mounted on a separate stainless steel disk for measurement by alpha spectrometer which consist essentially of a surface barrier deterctor and a low noise amplification system connected to a multichannel analyser. After correcting for background, tail and other factors, the desired U232 and Th232 concentrations can be calculated. The data obtained by the alpha-spectrometric method using U232-Th223 spike are compared with colorimetric determination. Excellent agreement is obtained between the two sets of results. The coefficient of correlation is about 0.98 for U234 and 0.97 for Th232. The accuracy of uranium and thorium analyses by this method depends primarily upon the counting statistics of U233, U232, Th233 and Th223 and, to a lesser extent, upon the calibration of U233-Th238 spike. Errors of uranium and thorium concentration by this method are generally 2 to 5 per cent.

  19. Operation of CANDU power reactor in thorium self-sufficient fuel cycle

    Indian Academy of Sciences (India)

    B R Bergelson; A S Gerasimov; G V Tikhomirov

    2007-02-01

    This paper presents the results of calculations for CANDU reactor operation in thorium fuel cycle. Calculations are performed to estimate the feasibility of operation of heavy-water thermal neutron power reactor in self-sufficient thorium cycle. Parameters of active core and scheme of fuel reloading were considered to be the same as for standard operation in uranium cycle. Two modes of operations are discussed in the paper: mode of preliminary accumulation of 233U and mode of operation in self-sufficient cycle. For the mode of accumulation of 233U it was assumed for calculations that plutonium can be used as additional fissile material to provide neutrons for 233U production. Plutonium was placed in fuel channels, while 232Th was located in target channels. Maximum content of 233U in target channels was estimated to be ∼ 13 kg/t of ThO2. This was achieved by irradiation for six years. The start of the reactor operation in the self-sufficient mode requires 233U content to be not less than 12 kg/t. For the mode of operation in self-sufficient cycle, it was assumed that all channels were loaded with identical fuel assemblies containing ThO2 and certain amount of 233U. It is shown that nonuniform distribution of 233U in fuel assembly is preferable.

  20. Critical role of intestinal interleukin-4 modulating regulatory T cells for desensitization, tolerance, and inflammation of food allergy

    Science.gov (United States)

    Fujimura, Yoko; Takeyama, Jun; Hiraide, Erika; Kikuchi, Akira; Murakami, Hitoshi; Hosono, Akira; Nochi, Tomonori; Wakatsuki, Yoshio; Shimojo, Naoki; Kaminogawa, Shuichi; Sato, Ryuichiro; Kiyono, Hiroshi; Hachimura, Satoshi

    2017-01-01

    Background and objective The mechanism inducing either inflammation or tolerance to orally administered food allergens remains unclear. To investigate this we analyzed mouse models of food allergy (OVA23-3) and tolerance (DO11.10 [D10]), both of which express ovalbumin (OVA)-specific T-cell receptors. Methods OVA23-3, recombination activating gene (RAG)-2-deficient OVA23-3 (R23-3), D10, and RAG-2-deficient D10 (RD10) mice consumed a diet containing egg white (EW diet) for 2–28 days. Interleukin (IL)-4 production by CD4+ T cells was measured as a causative factor of enteropathy, and anti-IL-4 antibody was used to reveal the role of Foxp3+ OVA-specific Tregs (aiTreg) in this process. Results Unlike OVA23-3 and R23-3 mice, D10 and RD10 mice did not develop enteropathy and weight loss on the EW diet. On days 7–10, in EW-fed D10 and RD10 mice, splenic CD4+ T cells produced significantly more IL-4 than did those in the mesenteric lymph nodes (MLNs); this is in contrast to the excessive IL-4 response in the MLNs of EW-fed OVA23-3 and R23-3 mice. EW-fed R23-3 mice had few aiTregs, whereas EW-fed RD10 mice had them in both tissues. Intravenous injections of anti-IL-4 antibody recovered the percentage of aiTregs in the MLNs of R23-3 mice. On day 28, in EW-fed OVA23-3 and R23-3 mice, expression of Foxp3 on CD4+ T cells corresponded with recovery from inflammation, but recurrence of weight loss was observed on restarting the EW diet after receiving the control-diet for 1 month. No recurrence developed in D10 mice. Conclusions Excessive IL-4 levels in the MLNs directly inhibited the induction of aiTregs and caused enteropathy. The aiTregs generated in the attenuation of T cell-dependent food allergic enteropathy may function differently than aiTregs induced in a tolerance model. Comparing the two models enables to investigate their aiTreg functions and to clarify differences between inflammation with subsequent desensitization versus tolerance. PMID:28234975

  1. Gclust Server: 94051 [Gclust Server

    Lifescience Database Archive (English)

    Full Text Available sequences Cluster Sequences Link to related sequences Related Sequences(233) Sequence length 379 Representative...tering threshold 9.98e-01 Plants and algae (7species) (%) 0.0 Other Bikonts (Chromalveolata, Excavata) (9spe

  2. Tritium Facilities Modernization and Consolidation Project Process Waste Assessment (Project S-7726)

    Energy Technology Data Exchange (ETDEWEB)

    Hsu, R.H. [Westinghouse Savannah River Company, AIKEN, SC (United States); Oji, L.N.

    1997-11-14

    Under the Tritium Facility Modernization {ampersand} Consolidation (TFM{ampersand}C) Project (S-7726) at the Savannah River Site (SS), all tritium processing operations in Building 232-H, with the exception of extraction and obsolete/abandoned systems, will be reestablished in Building 233-H. These operations include hydrogen isotopic separation, loading and unloading of tritium shipping and storage containers, tritium recovery from zeolite beds, and stripping of nitrogen flush gas to remove tritium prior to stack discharge. The scope of the TFM{ampersand}C Project also provides for a new replacement R&D tritium test manifold in 233-H, upgrading of the 233- H Purge Stripper and 233-H/234-H building HVAC, a new 234-H motor control center equipment building and relocating 232-H Materials Test Facility metallurgical laboratories (met labs), flow tester and life storage program environment chambers to 234-H.

  3. System Requirements Document for the Molten Salt Reactor Experiment

    Energy Technology Data Exchange (ETDEWEB)

    Aigner, R.D.

    2000-04-01

    The purpose of the conversion process is to convert the {sup 233}U fluoride compounds that are being extracted from the Molten Salt Reactor Experiment (MSRE) equipment to a stable oxide for long-term storage at Bldg. 3019.

  4. Clinical Evaluation of the Joints of Patients with Hemophilia

    Directory of Open Access Journals (Sweden)

    Sezai Ozkan

    2014-08-01

    Conclusion: Treatment and monitoring of patients with hemophilia requires a multidisciplinary approach. Early diagnosis, treatment, rehabilitation and a constant monitoring will be effective in preventing arthropaty. [Arch Clin Exp Surg 2014; 3(4.000: 233-239

  5. Gender dysphoria

    Science.gov (United States)

    ... concept Gender dysphoria is not the same as homosexuality. Identity conflicts need to continue over time to ... ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 233. Review Date 2/21/2016 Updated by: Timothy Rogge, ...

  6. Concealed Leather and Fur Finds from Kempten/ Allgäu (Germany)

    DEFF Research Database (Denmark)

    Atzbach, Rainer

    2002-01-01

    , in: Guido Helmig, Barbara Scholkmann, Matthias Untermann (Hgg.), Centre-Region-Periphery, Medieval Europe 2002 Preprinted Papers Vol. 3 (Hertingen 2002) 233-238. Online-Version der Posterpräsentation...

  7. Drug: D03207 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available YSP DTKVLDICVS LLMGEQFLVS WC (Glycosylation sites: 140, 233, 390, 652, 882, 925) Peptide Treatment of Pompe's disease [enzyme replace...ment therapy] Therapeutic category: 3959 ATC code: A16AB

  8. Kinetics Formulations for ICM-Lite: A Tool to Predict and Quantify Ecosystem Benefits in Aquatic Systems

    Science.gov (United States)

    2015-07-01

    2.3.3 Vertical transport ........................................................................................................ 8 2.3.4 Summary of...17 3.5.3 Nutrients ...3.5.5 Combining the effects of light, nutrients , and temperature ................................... 20 3.5.6 Respiration

  9. Organization and management of the treatment for the wounded in 8.12 Tinjin Port Explosion, China

    Institute of Scientific and Technical Information of China (English)

    Xiao-Xia Guo; Zhi-Jun Li; Hui Li; Zhi-Xiang Zhang; Cong-Zhe Xu; Bin Zhu

    2015-01-01

    Tianjin Medical University General Hospital treated 233 wounded in 8.12 Tinjin Port explosion.Here we would like to analyze the treatment process for the wounded, and share the experiences of organization and management for emergency rescue operation.

  10. Seitse retke isamaale : mälestuslikud esseed / Hellar Grabbi ; [toimetanud Urmas Tõnisson ; kaanekujundus: Mari Ainso ; esikaane foto: Helmuth Neider

    Index Scriptorium Estoniae

    Grabbi, Hellar, 1929-

    2010-01-01

    Mälestusteraamatus meenutatakse ka kohtumisi Toomas Hendrik Ilvesega raadiojaamas "Vaba Euroopa" töötamise ajal (lk. 233, 285-286), 1988. a. Münchenis ilmunud almanahhis Põrp! ilmunud esseed "Niikuinii" (lk. 207)

  11. Bestimmung und Deutung von Angebotskurven Ein Beispiel

    NARCIS (Netherlands)

    J. Tinbergen (Jan)

    1930-01-01

    textabstractIn English: Determination and Interpretation of Supply Curves: an example In: David F. Hendry and Mary S. Morgan (Eds), The Foundations of Econometric Analysis, Cambridge University Press, New York, 1995, pp. 233-245

  12. 29 CFR 2.32 - Equal participation of religious organizations.

    Science.gov (United States)

    2010-07-01

    ... governments administering DOL support from accommodating religion in a manner consistent with the..., and expression of its religious beliefs, subject to the provisions of § 2.33 of this subpart....

  13. Chondroblastoma

    Science.gov (United States)

    ... 25 years old. The tumors are very rare, accounting for only about 1 percent of all bone ... Orthop Surg 2013; 21: 225-233. Computerized tomography (CT) scans. More detailed than a plain x-ray, ...

  14. Drug: D08709 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available 08301] 2 Agents affecting individual organs 23 Digestive organ agents 233 Stomachics and digestives 2339 Others D08709 Picrasma wood - sodium bicarbonate mixt PubChem: 96025392 ...

  15. A Collaborative Virtual Environment for Situated Learning of Car Driving

    NARCIS (Netherlands)

    Miao, Yongwu; Pinkwart, Niels; Hoppe, Ulrich

    2007-01-01

    Miao, Y., Pinkwart, N., and Hoppe, H.U. (2006). "A Collaborative Virtual Environment for Situated Learning of Car Driving". International Journal on Advanced Technology for Learning (ATL), 3(4), 233-240.

  16. Children and Adults with Attention-Deficit/Hyperactivity Disorder

    Science.gov (United States)

    ... All Rights Reserved. Press Privacy Attention Magazine Archives Advertise with CHADD Contact Us Site Map Report a Problem For help call: 800-233-4050 Follow CHADD on Facebook Follow CHADD on Twitter

  17. Kohtuvõimu sõltumatus Euroopa Liiduga ühinemise protsessis. Kohtute sõltumatus Eestis / tõlkinud õigustõlkebüroo Interlex OÜ ... [jt.] ; Avatud Ühiskonna Instituut, Euroopa Liiduga liitumise seireprogramm

    Index Scriptorium Estoniae

    2001-01-01

    Eesti osa autor: Jaan Ginter. - Originaali tiitel: Judicial independence in Estonia : [elektrooniline teavik] // Monitoring the EU accession process: judicial independence. Open Society Institute, 2001 - http://www.eumap.org/reports/content/20/233/html

  18. Chronic Liver Disease and Asian Americans/Pacific Islanders

    Science.gov (United States)

    ... Childhood Trauma Grants HIV/AIDS Grants Lupus Grants Justice and Health Grants State Partnership Grants Violence Prevention ... Vietnamese, 33.9 for Koreans, 23.3 for Chinese, 16.8 for Filipino and 9.3 for ...

  19. Dicty_cDB: Contig-U03442-1 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available ||||| Sbjct: 1 gttnttttggaaagagatatggggtattcatacacatgntactgttttanataaanagag 60 Query: 61 atcnttgataattccatan...|||||||||||||| Sbjct: 293 gttnttttggaaagagatatggggtattcatacacatgntactgttttanataaanagag 234 Query: 61 atcnttgataattccatan...|||||||||| Sbjct: 233 atcnttgataattccatantttaagntcttccagatgaggactggaatgatgatagagtg 174 Query: 121 nctcaagtta...tttaagntcttccagatgaggactggaatgatgatagagtg 120 |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| S...bjct: 61 atcnttgataattccatantttaagntcttccagatgaggactggaatgatgatagagtg 120 Query:

  20. 77 FR 59953 - Changes in Flood Hazard Determinations

    Science.gov (United States)

    2012-10-01

    ... Unincorporated The Honorable Public Works http://www.rampp- November 9, 2012..... 480035 areas of Bexar Nelson W........ 480035 areas of Bexar Nelson W. Wolff, Department, 233 team.com/lomrs.htm. County, (12-06- Bexar...

  1. 77 FR 77087 - Changes in Flood Hazard Determinations

    Science.gov (United States)

    2012-12-31

    ... 78231. Bexar Unincorporated The Honorable Public Works http://www.rampp- January 10, 2013..... 480035... http://www.rampp- January 10, 2013..... 480035 areas of Bexar Nelson W. Wolff, Department, 233...

  2. Organization and management of the treatment for the wounded in 8.12 Tinjin Port Explosion, China.

    Science.gov (United States)

    Guo, Xiao-Xia; Li, Zhi-Jun; Li, Hui; Zhang, Zhi-Xiang; Xu, Cong-Zhe; Zhu, Bin

    2015-01-01

    Tianjin Medical University General Hospital treated 233 wounded in 8.12 Tinjin Port explosion. Here we would like to analyze the treatment process for the wounded, and share the experiences of orga- nization and management for emergency rescue operation.

  3. Power level effects on thorium-based fuels in pressure-tube heavy water reactors

    Energy Technology Data Exchange (ETDEWEB)

    Bromley, B.P.; Edwards, G.W.R., E-mail: blair.bromley@cnl.ca [Canadian Nuclear Laboratories, Chalk River, Ontario (Canada); Sambavalingam, P. [Univ. of Ontario Inst. of Technology, Oshawa, Ontario (Canada)

    2016-06-15

    Lattice and core physics modeling and calculations have been performed to quantify the impact of power/flux levels on the reactivity and achievable burnup for 35-element fuel bundles made with Pu/Th or U-233/Th. The fissile content in these bundles has been adjusted to produce on the order of 20 MWd/kg burnup in homogeneous cores in a 700 MWe-class pressure-tube heavy water reactor, operating on a once-through thorium cycle. Results demonstrate that the impact of the power/flux level is modest for Pu/Th fuels but significant for U-233/Th fuels. In particular, high power/flux reduces the breeding and burnup potential of U-233/Th fuels. Thus, there may be an incentive to operate reactors with U-233/Th fuels at a lower power density or to develop alternative refueling schemes that will lower the time-average specific power, thereby increasing burnup.(author)

  4. Make or Buy: A Systematic Approach to Department of Defense Sourcing Decisions

    Science.gov (United States)

    2013-07-30

    de- Silanes ) Is It Efficient for Public Producers to Outsource More than Private Producers? It is worth asking whether government producers—to the...Comparisons. Santa Monica, CA: RAND. Lopez-de- Silanes , F., A. Shliefer, and R.W. Vishnay. (1995) Privatization in the United States. NBER Working Paper...Utilities - Water & Sewage 23.3 Communications, Utilities and Misc Charges Facilities Utilities 2365 Purchased Utilities - Steam 23.3

  5. Minimizing the fissile inventory of the molten salt fast reactor

    OpenAIRE

    Merle-Lucotte, E.; Heuer, D.; Allibert, M.; Doligez, X.; Ghetta, V.

    2009-01-01

    International audience; Molten salt reactors in the configurations presented here, called Molten Salt Fast Reactors (MSFR), have been selected for further studies by the Generation IV International Forum. These reactors may be operated in simplified and safe conditions in the Th/233U fuel cycle with fluoride salts. We present here the concept, before focusing on a possible optimization in term of minimization of the initial fissile inventory. Our studies demonstrate that an inventory of 233U ...

  6. Drug: D04999 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available D04999 Drug Methylphenidate (USAN/INN); Daytrana (TN) C14H19NO2 233.1416 233.3062 D...ENTS USED FOR ADHD AND NOOTROPICS N06BA Centrally acting sympathomimetics N06BA04 Methylphenidate...em Agents Attention Deficit Hyperactivity Disorder Agents, Non- amphetamines Methylphenidate D04999 Methylphenidate... D04999 Methylphenidate (USAN/INN) USP drug classification [BR:br08302] Central Nervous Syst

  7. Prevalence and incidence of Parkinson's disease in The Faroe Islands

    DEFF Research Database (Denmark)

    Wermuth, Lene; Bech, Sara Brynhild Winther; Petersen, Maria Skaalum;

    2008-01-01

    A study in The Faroe Islands in 1995 suggested a high prevalence of idiopathic Parkinson's disease (IPD) and total parkinsonism of 187.6 and 233.4 per 100,000 inhabitants respectively.......A study in The Faroe Islands in 1995 suggested a high prevalence of idiopathic Parkinson's disease (IPD) and total parkinsonism of 187.6 and 233.4 per 100,000 inhabitants respectively....

  8. Drug: D07806 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available D07806 Drug Dexmethylphenidate (INN) C14H19NO2 233.1416 233.3062 D07806.gif Psychos...pathomimetics N06BA11 Dexmethylphenidate D07806 Dexmethylphenidate (INN) USP drug...ylphenidate D07806 Dexmethylphenidate (INN) CAS: 40431-64-9 PubChem: 96024503 Ligan... classification [BR:br08302] Central Nervous System Agents Attention Deficit Hyperactivity Disorder Agents, Non- amphetamines Dexmeth

  9. Self Assembled Nano-Photonic Devices Derived from Marine DNA for Opto-Electronic Applications

    Science.gov (United States)

    2006-03-30

    SPIE., 5724, 224-233 (2005) 13. A. Watanuki , J. Yoshida, S. Kobayashi, H. Ikeda and N. Ogata, 12 Proceedings of SPIE., 5724, 234-241 (2005) 14...J. Yoshida, A. Watanuki , S. Kobayashi, H. Ikeda and N. Ogata, Tech. Digest, 10th Optoelectronics and Communication Conference (OECC2005), 342-343...optical waveguides fabricated with DNA”, Proc. SPIE, 5724, 224-233, 2005. 5. A. Watanuki , J. Yoshida, S. Kobayashi, H. Ikeda and N. Ogata: “Optical

  10. The Potential Role of the Thorium Fuel Cycle in Reducing the Radiotoxicity of Long-Lived Waste - 13477

    Energy Technology Data Exchange (ETDEWEB)

    Hesketh, Kevin; Thomas, Mike [The UK' s National Nuclear Laboratory, Preston Laboratory, Preston, PR4 0XJ (United Kingdom)

    2013-07-01

    The thorium (or more accurately the Th-232/U-233) fuel cycle is attracting growing interest world wide and one reason for this is the reduced radiotoxicity of long-lived waste, with the Th- 232/U-233 fuel cycle often being justified partly on the grounds of low radiotoxicity for long cooling times. This paper considers the evolution of heavy metal radiotoxicity in a Molten Salt Fast Reactor (MSFR) operating a closed Th-232/U-233 cycle during different operational phases. The paper shows that even in the MSFR core, the equilibrium radiotoxicity of the thorium fuel cycle is only reached after almost 100 years of operation. MSFR was chosen because it has many theoretical advantages that favour the Th-232/U-233 fuel cycle. Conventional solid fuel systems would be expected to behave similarly, but with even longer timescales and therefore the MSFR cycle can be used to define the limits of what is practically achievable. The results are used to argue the case that a fair approach to justifying the Th-232/U-233 breeder cycle should not quote the long term equilibrium radiotoxicity, but rather the somewhat less favourable radiotoxicity that could be achieved within the operational lifetime of the first generation of Th-232/U-233 breeder reactors. (authors)

  11. Burn-up calculation of different thorium-based fuel matrixes in a thermal research reactor using MCNPX 2.6 code

    Directory of Open Access Journals (Sweden)

    Gholamzadeh Zohreh

    2014-12-01

    Full Text Available Decrease of the economically accessible uranium resources and the inherent proliferation resistance of thorium fuel motivate its application in nuclear power systems. Estimation of the nuclear reactor’s neutronic parameters during different operational situations is of key importance for the safe operation of nuclear reactors. In the present research, thorium oxide fuel burn-up calculations for a demonstrative model of a heavy water- -cooled reactor have been performed using MCNPX 2.6 code. Neutronic parameters for three different thorium fuel matrices loaded separately in the modelled thermal core have been investigated. 233U, 235U and 239Pu isotopes have been used as fissile element in the thorium oxide fuel, separately. Burn-up of three different fuels has been calculated at 1 MW constant power. 135X and 149Sm concentration variations have been studied in the modelled core during 165 days burn-up. Burn-up of thorium oxide enriched with 233U resulted in the least 149Sm and 135Xe productions and net fissile production of 233U after 165 days. The negative fuel, coolant and void reactivity of the used fuel assures safe operation of the modelled thermal core containing (233U-Th O2 matrix. Furthermore, utilisation of thorium breeder fuel demonstrates several advantages, such as good neutronic economy, 233U production and less production of long-lived α emitter high radiotoxic wastes in biological internal exposure point of view

  12. [Improving maltodextrin specificity by site-saturation engineering of subsite +1 in cyclodextrin glycosyltransferase from Paenibacillus macerans].

    Science.gov (United States)

    Xu, Qiaoyan; Han, Ruizhi; Li, Jianghua; Du, Guocheng; Liu, Long; Chen, Jian

    2014-01-01

    By engineering the subsite +1 of cyclodextrin glycosyltransferase (CGTase) from Paenibacillus macerans, we improved its maltodextrin specificity for 2-O-D-glucopyranosyl-L-ascorbic acid (AA-2G) synthesis. Specifically, we conducted site-saturation mutagenesis on Leu194, Ala230, and His233 in subsite +1 separately and gained 3 mutants L194N (leucine --> asparagine), A230D (alanine --> aspartic acid), and H233E (histidine --> glutamic acid) produced higher AA-2G yield than the wild-type and the other mutant CGTases. Therefore, the 3 mutants L194N, A230D, and H233E were further used to construct the double and triple mutations. Among the 7 obtained combinational mutants, the triple mutant L194N/A230D/H233E produced the highest AA-2G titer of 1.95 g/L, which was increased by 62.5% compared with that produced by the wild-type CGTase. Then, we modeled the reaction kinetics of all the mutants and found a substrate inhibition by high titer of L-AA for the mutants. The optimal temperature, pH, and reaction time of all the mutants were also determined. The structure modeling indicated that the enhanced maltodextrin specificity may be related with the changes of hydrogen bonding interactions between the side chain of residue at the three positions (194, 230 and 233) and the substrate sugars.

  13. Rutherford's curriculum vitae, 1894-1907.

    Science.gov (United States)

    Cohen, M

    1995-06-01

    A single page, handwritten document was discovered when the Macdonald Physics building of McGill University in Montreal was gutted in 1978. This proved to be the draft of Ernest Rutherford's curriculum vitae (C.V.) covering the years 1894-1907, probably written in the autumn of 1906 when Rutherford was preparing to leave McGill. The C.V. contains 21 headings in chronological order, referring to research and other activities of Rutherford and his coauthors (especially Soddy and Barnes), plus a further set of headings relating to the associated investigations of Rutherford's team, including Eve and Hahn. A transcript of the document is provided, although in several places, Rutherford's handwriting is difficult to interpret, and the significance of his abbreviations is not always clear. Each of the items in the C.V. is discussed briefly in this review, in the light both of Rutherford's personal career and of the contribution of his team to the development and understanding of radioactivity. This contribution included the cause and nature of radioactivity (with Soddy), energy aspects of radioactive decay (with Barnes), elucidation of the uranium-radium, thorium and actinium series (Godlewski and Hahn), the radioactivity of the earth and atmosphere (Eve), the nature of the gamma rays (Eve) and, perhaps most important of all, the nature and properties of the alpha particle (Rutherford himself). The latter investigations led directly to Rutherford's later work in Manchester, including the nuclear model of the atom and artificial disintegration of the nucleus.

  14. Electronic structure and dynamics of ordered clusters with ME or RE ions on oxide surface

    Energy Technology Data Exchange (ETDEWEB)

    Kulagin, N.A., E-mail: nkulagin@bestnet.kharkov.u [Kharkiv National University for Radio Electronics, Avenue Shakespeare 6-48, 61045 Kharkiv (Ukraine)

    2011-03-15

    Selected data of ab initio simulation of the electronic structure and spectral properties of either cluster with ions of iron, rare earth or actinium group elements have been presented here. Appearance of doped Cr{sup +4} ions in oxides, Cu{sup +2} in HTSC, Nd{sup +2} in solids has been discussed. Analysis of experimental data for plasma created ordered structures of crystallites with size of about 10{sup -9} m on surface of separate oxides are given, too. Change in the spectroscopic properties of clusters and nano-structures on surface of strontium titanate crystals discussed shortly using the X-ray line spectroscopy experimental results. - Research highlights: External influence and variation of technology induce changes in valence of nl ions in compounds. Wave function of cluster presented as anti-symmetrical set of ions wave functions. The main equation describes the self-consistent field depending on state of all electrons of cluster. Level scheme of Cr{sup 4+} ions in octo- and tetra-site corresponds to doped oxides spectra after treatment. Plasma treatment effects in appearance of systems of unit crystallites with size of about 10{sup -6}-10{sup -9} m.

  15. Cyclotron production of cesium radionuclides as analogues for francium-221 biodistribution

    Science.gov (United States)

    Finn, R.; McDevitt, M.; Sheh, Y.; Lom, C.; Qiao, J.; Cai, S.; Burnazi, E.; Nacca, A.; Pillarsetty, N.; Jaggi, J.; Scheinberg, D.

    2005-12-01

    In our clinical investigations focussing on improved therapeutic treatment of specific tumors we have concentrated on a targeted therapy approach utilizing designed radiolabeled monoclonal antibodies as the cytotoxic reagent. The physical characteristics of the alpha particle emitting radionuclide bismuth-213 including the short half-life of 45.6 min, has shown promise for the treatment of specific cancers such as leukemias and lymphomas or micrometastatic carcinomas. In an effort to increase the cytocidal effect of the HuM195, a humanized monoclonal antibody carrier to the CD33 antigen expressed on leukemia cells, our focus is directed toward an "internal" nano-generator composed of Ac-225 radionuclide, the parent of the bismuth-213. The actinium-225 radionuclide decays through several short-lived, alpha emitting daughters including francium-221, astatine-217 and bismuth-213. In order to study the biodistribution and the pharmacokinetics of the individual daughter nuclide, francium-221, the cyclotron production and separation of cesium radionuclides, specifically cesium-132, from a natural xenon gas target was undertaken. The choice of cesium as an analogue for francium was predicated upon both elements being in Group 1A alkali metals and cesium radionuclide possesses a sufficient half-life to allow biodistribution studies to be performed. The preliminary experimental results of this investigation are presented.

  16. Ac, La, and Ce radioimpurities in {sup 225}Ac produced in 40-200 MeV proton irradiations of thorium

    Energy Technology Data Exchange (ETDEWEB)

    Engle, Jonathan W.; Ballard, Beau D. [Los Alamos National Laboratory, NM (United States); Weidner, John W. [Air Force Institute of Technology, Wright Patterson Air Force Base, OH (United States); and others

    2014-10-01

    Accelerator production of {sup 225}Ac addresses the global supply deficiency currently inhibiting clinical trials from establishing {sup 225}Ac's therapeutic utility, provided that the accelerator product is of sufficient radionuclidic purity for patient use. Two proton activation experiments utilizing the stacked foil technique between 40 and 200 MeV were employed to study the likely co-formation of radionuclides expected to be especially challenging to separate from {sup 225}Ac. Foils were assayed by nondestructive γ-spectroscopy and by α-spectroscopy of chemically processed target material. Nuclear formation cross sections for the radionuclides {sup 226}Ac and {sup 227}Ac as well as lower lanthanide radioisotopes {sup 139}Ce, {sup 141}Ce, {sup 143}Ce, and {sup 140}La whose elemental ionic radii closely match that of actinium were measured and are reported. The predictions of the latest MCNP6 event generators are compared with measured data, as they permit estimation of the formation rates of other radionuclides whose decay emissions are not clearly discerned in the complex spectra collected from {sup 232}Th(p,x) fission product mixtures. (orig.)

  17. An Ion Exchange Study of Possible Hydridized 5f Bonding in theActinides

    Energy Technology Data Exchange (ETDEWEB)

    Diamond, R.M.; Street, Jr., K.; Seaborg, G.T.

    1951-08-28

    A study has been made of the elution behavior of curium(III), americium(III), plutonium(III), actinium(III), plutonium(IV), neptunium(IV), uraniuM(IV), thorium(IV), neptunium(V), plutonium (VI), uranium (VI), lanthanum(III), cerium(III), europium(III), ytterbium(III), ytterium(III), strontium(II), barium(II), radium(II), cesium(I) with 3.2 M, 6.2 M, 9.3 M, and 12.2 M HCl solutions from Dowex-50 cation exchange resin columns. These elutions show that in high concentrations of hydrochloric acid the actinides form complex ions with chloride ion to a much greater extent than the lanthanides. The strengths of the tripositive actinide complex ions apparently go in the order plutonium > americium> curium, although their ionic radii also decrease in this same order. To explain these results, a partial covalent character may be ascribed to the bonding in the transuranium complex ions. It is shown that a reasonable structure for such covalent bonding involves hybridization of the 5f orbitals in the actinide elements.

  18. Tumor Immunotargeting Using Innovative Radionuclides

    Directory of Open Access Journals (Sweden)

    Françoise Kraeber-Bodéré

    2015-02-01

    Full Text Available This paper reviews some aspects and recent developments in the use of antibodies to target radionuclides for tumor imaging and therapy. While radiolabeled antibodies have been considered for many years in this context, only a few have reached the level of routine clinical use. However, alternative radionuclides, with more appropriate physical properties, such as lutetium-177 or copper-67, as well as alpha-emitting radionuclides, including astatine-211, bismuth-213, actinium-225, and others are currently reviving hopes in cancer treatments, both in hematological diseases and solid tumors. At the same time, PET imaging, with short-lived radionuclides, such as gallium-68, fluorine-18 or copper-64, or long half-life ones, particularly iodine-124 and zirconium-89 now offers new perspectives in immuno-specific phenotype tumor imaging. New antibody analogues and pretargeting strategies have also considerably improved the performances of tumor immunotargeting and completely renewed the interest in these approaches for imaging and therapy by providing theranostics, companion diagnostics and news tools to make personalized medicine a reality.

  19. Pulse-shape discrimination and energy quenching of alpha particles in Cs$_2$LiLaBr$_6$:Ce$^{3+}$

    CERN Document Server

    Mesick, Katherine E; Stonehill, Laura C

    2016-01-01

    Cs$_2$LiLaBr$_6$:Ce$^{3+}$ (CLLB) is an elpasolite scintillator that offers excellent linearity and gamma-ray energy resolution and sensitivity to thermal neutrons with the ability to perform pulse-shape discrimination (PSD) to distinguish gammas and neutrons. Our investigation of CLLB has indicated the presence of intrinsic radioactive alpha background that we have determined to be from actinium contamination of the lanthanum component. We measured the pulse shapes for gamma, thermal neutron, and alpha events and determined that PSD can be performed to separate the alpha background with a moderate figure of merit of 0.98. We also measured the electron-equivalent-energy of the alpha particles in CLLB and simulated the intrinsic alpha background from $^{227}$Ac to determine the quenching factor of the alphas. A linear quenching relationship $L_{\\alpha} = E_{\\alpha} \\times q + L_0$ was found at alpha particle energies above 5 MeV, with a quenching factor $q = 0.71$ MeVee/MeV and an offset $L_0 = - 1.19$ MeVee.

  20. Liquid Scintillation Counting of Environmental Radioisotopes: A Review of the Impact of Background Reduction

    Energy Technology Data Exchange (ETDEWEB)

    Douglas, Matthew; Bernacki, Bruce E.; Erchinger, Jennifer L.; Finn, Erin C.; Fuller, Erin S.; Hoppe, Eric W.; Keillor, Martin E.; Morley, Shannon M.; Mullen, Crystal A.; Orrell, John L.; Panisko, Mark E.; Warren, Glen A.; Wright, Michael E.

    2016-03-09

    Liquid scintillation counting (LSC) is a versatile and commonplace method for radiometric measurement of charged particle emitting radionuclides. The LSC method provides utility in a range of environmental science applications including hydrological studies of water transport, anthropogenic releases of radionuclides into the environment, and vertical mixing rates within oceans. Instrumental measurement background is one limiting factor of radiometric measurement sensitivity. As part of the development of a custom low background LSC system located in a shallow underground laboratory at Pacific Northwest National Laboratory, a number of measurement applications of LSC have been considered and are summarized here. The focus is on determining which aspects of such measurements would gain the greatest benefit from the reduction of LSC backgrounds by a factor of 10-100 relative to values reported in the literature. Examples of benefits include lowering the minimum detectable activity, reducing the sample size required, and shortening the elapsed timeline of the processing and analysis sequence. In particular tritium, strontium, and actinium isotopes are examined as these isotopes cover a range of requirements related to the LSC measurement method (e.g., 3H: low energy; Sr: spectral deconvolution; Ac: alpha/beta discrimination).

  1. Development of an Ultra-Low Background Liquid Scintillation Counter for Trace Level Analysis

    Energy Technology Data Exchange (ETDEWEB)

    Erchinger, Jennifer L.; Orrell, John L.; Aalseth, Craig E.; Bernacki, Bruce E.; Douglas, Matthew; Finn, Erin C.; Fuller, Erin S.; Keillor, Martin E.; Morley, Shannon M.; Mullen, Crystal A.; Panisko, Mark E.; Shaff, Sarah M.; Warren, Glen A.; Wright, Michael E.

    2015-09-01

    Low-level liquid scintillation counting (LSC) has been established as one of the radiation detection techniques useful in elucidating environmental processes and environmental monitoring around nuclear facilities. The Ultra-Low Background Liquid Scintillation Counter (ULB-LSC) under construction in the Shallow Underground Laboratory at Pacific Northwest National Laboratory aims to further reduce the MDAs and/or required sample processing. Through layers of passive shielding in conjunction with an active veto and 30 meters water equivalent overburden, the background reduction is expected to be 10 to 100 times below typical analytic low-background liquid scintillation systems. Simulations have shown an expected background of around 14 counts per day. A novel approach to the light collection will use a coated hollow light guide cut into the inner copper shielding. Demonstration LSC measurements will show low-energy detection, spectral deconvolution, and alpha/beta discrimination capabilities, from trials with standards of tritium, strontium-90, and actinium-227, respectively. An overview of the system design and expected demonstration measurements will emphasize the potential applications of the ULB-LSC in environmental monitoring for treaty verification, reach-back sample analysis, and facility inspections.

  2. Purification of lanthanides for double beta decay experiments

    Energy Technology Data Exchange (ETDEWEB)

    Polischuk, O. G. [Institute for Nuclear Research, MSP 03680 Kyiv, Ukraine and INFN, Section of Rome, La Sapienza, I-00185 Rome (Italy); Barabash, A. S. [Institute of Theoretical and Experimental Physics, 117259 Moscow (Russian Federation); Belli, P. [INFN, Section of Rome Tor Vergata, I-00133 Rome (Italy); Bernabei, R. [INFN, Section of Rome Tor Vergata, I-00133 Rome, Italy and Department of Physics, University of Rome Tor Vergata, I-00133 Rome (Italy); Boiko, R. S.; Danevich, F. A.; Mokina, V. M.; Poda, D. V.; Tretyak, V. I. [Institute for Nuclear Research, MSP 03680 Kyiv (Ukraine); Cappella, F.; Incicchitti, A. [INFN, Section of Rome La Sapienza, I-00185 Rome, Italy and Department of Physics, University of Rome La Sapienza, I-00185 Rome (Italy); Cerulli, R.; Laubenstein, M.; Nisi, S. [INFN, Gran Sasso National Laboratories, I-67100 Assergi (Aq) (Italy)

    2013-08-08

    There are several potentially double beta active isotopes among the lanthanide elements. However, even high purity grade lanthanide compounds contain {sup 238}U, {sup 226}Ra and {sup 232,228}Th typically on the level of ∼ (0.1 - 1) Bq/kg. The liquid-liquid extraction technique was used to remove traces of U, Ra and Th from CeO{sub 2}, Nd{sub 2}O{sub 3} and Gd{sub 2}O{sub 3}. The radioactive contamination of the samples before and after the purification was tested by using ultra-low-background HPGe γ spectrometry at the underground Gran Sasso National Laboratories of the INFN (Italy). After the purification the radioactive contamination of gadolinium oxide by Ra and Th was decreased at least one order of magnitude. The efficiency of the approach to purify cerium oxide from Ra was on same level, while the radioactive contamination of neodymium sample before and after the purification is below the sensitivity of analytical methods. The purification method is much less efficient for chemically very similar radioactive elements like lanthanum, lutetium and actinium. R and D of the methods to remove the pollutions with improved efficiency is in progress.

  3. Radium-228 determination of natural waters via concentration on manganese dioxide and separation using Diphonix ion exchange resin.

    Science.gov (United States)

    Nour, S; El-Sharkawy, A; Burnett, W C; Horwitz, E P

    2004-12-01

    The objective of this work was to establish a new procedure for 228Ra determination of natural waters via preconcentration of radium on MnO2 and separation of its daughter, 228Ac, using Diphonix ion exchange resin. Following removal of potential interferences via passage through an initial Diphonix Resin column, the first daughter of 228Ra, 228Ac, is isolated by chromatographic separation via a second Diphonix column. A holding time of > 30 h for 228Ac ingrowth in between the two column separations ensures secular equilibrium. Barium-133 is used as a yield tracer. Actinium-228 is eluted from the second Diphonix Resin with 5 ml 1M 1-Hydroxyethane-1,1-diphosphonic acid (HEDPA) and quantified by addition of scintillation cocktail and LSC counting. Radium (and 133Ba) from the load and rinse solutions from the 2nd Diphonix column may be prepared for alpha spectrometry (for determination of 223Ra, 224Ra, and 226Ra) by BaSO4 microprecipitation and filtration. Decontamination tests indicate that U, Th, and Ra series nuclides do not interfere with these measurements, although high contents of 90Sr (90Y) require additional treatment for accurate measurement of 228Ra. Addition of stable Sr as a "hold back" carrier during the initial MnO2 preconcentration step was shown to remove most 90Sr interference.

  4. Soil and river sediments radionuclides monitoring at Aramar Experimental Center: an historical overview

    Energy Technology Data Exchange (ETDEWEB)

    Segre, Nadia; Fagundes, Rosane Correa, E-mail: nadia.segre@ctmsp.mar.mil.br [Centro Tecnologico da Marinha (CTM-SP/CEA/LARE), Ipero, SP (Brazil). Centro Experimental Aramar. Lab. Radioecologico; Moraes, Marco Antonio P.V. [Instituto de Pesquisas Energeticas e Nucleares (IPEN/CNEN-SP), Sao Paulo, SP (Brazil)

    2013-07-01

    In order to evaluate possible effects to the environment resulting from the implementation of the Centro Tecnologico da Marinha - Centro Experimental Aramar (CTMSP-CEA) at Ipero in Sao Paulo state, Brazil, which came into operation in 1989, an Environmental Monitoring Program (PMA) was established in October, 1987. One of the aims of this program is to monitor the soil and river sediments radionuclides levels at CEA and beyond its boundary. The utilization of statistical tools to evaluate the results of radiometric environmental monitoring is a procedure required by National Nuclear Energy Commission (CNEN). The box plot is a simple statistical tool for displaying data. The central tendency and dispersion of the results as well as the observation of unusual results (outliers) in the dataset are easily visualized. Control chart is a graph that maps data and provides a picture of how a process is performing over time. A control chart always has a central line for the mean, an upper line for the upper control limit and a lower line for the lower control limit. Box plots and control charts were used to visualize the annual amount of natural uranium, lead-214, actinium-228 and lead-212 in soil and river sediment detected between 1987 and 2011, considering the measurements of all monitored places each year. This historical observation shows that, in average, the results obtained are below than the 1987-1988 levels (CEA's pre-operational) or below than the backgrounds radionuclides values. (author)

  5. Background radiation and individual dosimetry in the costal area of Tamil Nadu, India.

    Science.gov (United States)

    Matsuda, Naoki; Brahmanandhan, G M; Yoshida, Masahiro; Takamura, Noboru; Suyama, Akihiko; Koguchi, Yasuhiro; Juto, Norimichi; Raj, Y Lenin; Winsley, Godwin; Selvasekarapandian, S

    2011-07-01

    South coast of India is known as the high-level background radiation area (HBRA) mainly due to beach sands that contain natural radionuclides as components of the mineral monazite. The rich deposit of monazite is unevenly distributed along the coastal belt of Tamil Nadu and Kerala. An HBRA site that laid in 2×7 m along the sea was found in the beach of Chinnavillai, Tamil Nadu, where the maximum ambient dose equivalent reached as high as 162.7 mSv y(-1). From the sands collected at the HBRA spot, the high-purity germanium semi-conductor detector identified six nuclides of thorium series, four nuclides of uranium series and two nuclides belonging to actinium series. The highest radioactivity observed was 43.7 Bq g(-1) of Th-228. The individual dose of five inhabitants in Chinnavillai, as measured by the radiophotoluminescence glass dosimetry system, demonstrated the average dose of 7.17 mSv y(-1) ranging from 2.79 to 14.17 mSv y(-1).

  6. DISSOLVED CONCENTRATION LIMITS OF RADIOACTIVE ELEMENTS

    Energy Technology Data Exchange (ETDEWEB)

    NA

    2004-11-22

    The purpose of this study is to evaluate dissolved concentration limits (also referred to as solubility limits) of elements with radioactive isotopes under probable repository conditions, based on geochemical modeling calculations using geochemical modeling tools, thermodynamic databases, field measurements, and laboratory experiments. The scope of this modeling activity is to predict dissolved concentrations or solubility limits for 14 elements with radioactive isotopes (actinium, americium, carbon, cesium, iodine, lead, neptunium, plutonium, protactinium, radium, strontium, technetium, thorium, and uranium) important to calculated dose. Model outputs for uranium, plutonium, neptunium, thorium, americium, and protactinium are in the form of tabulated functions with pH and log (line integral) CO{sub 2} as independent variables, plus one or more uncertainty terms. The solubility limits for the remaining elements are either in the form of distributions or single values. The output data from this report are fundamental inputs for Total System Performance Assessment for the License Application (TSPA-LA) to determine the estimated release of these elements from waste packages and the engineered barrier system. Consistent modeling approaches and environmental conditions were used to develop solubility models for all of the actinides. These models cover broad ranges of environmental conditions so that they are applicable to both waste packages and the invert. Uncertainties from thermodynamic data, water chemistry, temperature variation, and activity coefficients have been quantified or otherwise addressed.

  7. Antineutrino Monitoring of Thorium Reactors

    CERN Document Server

    Akindele, Oluwatomi A; Norman, Eric B

    2015-01-01

    Various groups have demonstrated that antineutrino monitoring can be successful in assessing the plutonium content in water-cooled nuclear reactors for nonproliferation applications. New reactor designs and concepts incorporate nontraditional fuels types and chemistry. Understanding how these properties affect the antineutrino emission from a reactor can extend the applicability of antineutrino monitoring.Thorium molten salt reactors (MSR) breed U-233, that if diverted constitute an IAEA direct use material. The antineutrino spectrum from the fission of U-233 has been determined, the feasibility of detecting the diversion of a significant quantity, 8 kg of U-233, within the IAEA timeliness goal of 30 days has been evaluated. The antineutrino emission from a thorium reactor operating under normal conditions is compared to a diversion scenario at a 25 meter standoff by evaluating the daily antineutrino count rate and the energy spectrum of the detected antineutrinos. It was found that the diversion of a signifi...

  8. Hyperfine anomaly in the f{sup 3}ds{sup 2} {sup 5}L{sub 6}{sup 0}, f{sup 3}dsp{sup 7}M{sub 7} and f{sup 3}dsp{sup 7}L{sub 6} levels in U I

    Energy Technology Data Exchange (ETDEWEB)

    Gangrsky, Yu.P.; Markov, B.N.; Zemlyanoi, S.G. [JINR, Dubna (Russian Federation). Lab. of Nucl. Reactions; Kul`djanov, B.K. [AN Uzbekskoj SSR, Tashkent (Uzbekistan). Inst. Yadernoj Fiziki; Marinova, K.P. [Sofia Univ. (Bulgaria). Fizicheski Fakultet

    1997-10-01

    The hyperfine structures of two optical lines in U I were investigated using high resolution laser spectroscopy of a well-collimated atomic beam. The hyperfine splitting constants A and B for the ground {sup 5}L{sub 6}{sup 0} level of {sup 233}U and for the {sup 7}M{sub 7} (16900 cm{sup -1}) and {sup 7}L{sub 6} (17362 cm{sup -1}) excited levels for both long-lived uranium isotopes, {sup 233}U and {sup 235}U, were obtained. Using the ratio of the gyromagnetic factors g{sub 1}({sup 235}U)/g{sub 1}({sup 233}U) = 0.4650(14), directly measured by a paramagnetic resonance absorption experiment, a tendency for existence of a nonvanishing experimental hyperfine anomaly of the order of 1% in the investigated U I levels was shown. (orig.) 17 refs.

  9. 钍俘获反应率离线伽马测量方法%Thorium capture ratio determination throughγ-ray off-line method∗

    Institute of Scientific and Technical Information of China (English)

    羊奕伟; 刘荣; 严小松

    2013-01-01

      为了测定聚变-裂变反应堆模型钍包层中的钍俘获率以及钍–铀转化率,探索了一种新的钍活化离线γ测量法.利用测量232Th俘获反应产物233Th衰变链中233Pa衰变放出的311.98 keV特征γ射线,来反推计算并最终确定232Th(n,γ)233Th的反应率,测试实验中不确定度约6%(233Th/232Th量级为10−17情况下).详细介绍了此方法的背景和原理方法,并进行简单的校验实验,证明其能够较好地得到模拟装置中的俘获率.与瞬发γ测量法以及质谱分析法进行对比,本方法更适合用于聚变-裂变反应堆模型钍包层中的钍俘获率以及钍-铀转化率测量,并有望进一步测量其他相关参数.%To determine the thorium capture ratio and thorium-uranium conversion ratio in the thorium cladding of the fusion-fission reactor model, a new approach, activated thorium sample decay γ-ray off-line measurement, is introduced in this paper. This method is based on the measurement of the 311.98 keV characteristic decayγ-ray emitted by 233Pa which is produced through decay of 233Th, the capture product of 232Th. Then some reverse mathematic approach is brought in and finally the 232Th (n,γ) 233Th reaction ratio is determined, with an uncertainty of 6%in the test experiment (233Th/232Th under the order of magnitude 10−17). In the paper, we introduce the detail of the approach including the background, principle and the result of a simple test experiment which shows that this approach can work well in thorium capture ratio determination. Compared with promptγ-ray method and mass spectrometer method, this decayγ-ray off-line method has many advantages in determining the thorium capture ratio and thorium-uranium conversion ratio in the thorium cladding. It is also promising in the measurement of other relevant parameters.

  10. Technical Basis for Environmental Qualification of Microprocessor-Based Safety-Related Equipment in Nuclear Power Plants

    Science.gov (United States)

    1998-01-01

    FRXLPE CSPE 1.8 38.6 57 Anaconda Flameguard lkv EPR CSPE 1 17.3 30.4 Brand Rex XLPE XLPE CSPE 20 Okonite Okolon EPR CSPE 16.3 Kerite HTK 0.8 16.7 23.3...Rockbestos Coax (le) 0.5 13.8 15.6 Raycheon XLPE XLPE 0.4 9.9 10.2 Dekoran Dekorad EPDM CSPE 0.7 11.7 23.3 Brw EPR CSPE 8.11 Kerite FR 7 PVC PVC

  11. Expert Systems Development Methodology

    Science.gov (United States)

    1989-07-28

    7 2.3.3 Alan Turing .................... 8 2.3.4 John von Neumann .. .............. 9 2.3.5 Are Computers Intelligent? ............ 9 2.3.7 The...various versions of the analytical engine for some 50 years and when he died in 1871 he had finished none of them. 3 2.3.3 Alan Turing . Skipping forward...five decades or so, the next figure in the pursuit of artificial intelligence was a British mathematician named Alan Turing . Turing took the next

  12. Work on Sabot-Projectiles and Supplements, 1942-1944

    Science.gov (United States)

    1946-10-01

    Projectiles by C. L. Critchfield. NDRC Report A-233 (OSRD No. 2067), "Development of Subcaliber Projectiles for the Hispano- Suiza Gun" by C. L. Critchfield...Millar, "Development of Subcaliber Projectiles for the Hispano- Suiza Gun," NDRC Report A-233 (OSRD No. 2067). C 0 N F I D F N T I A L - 18 - however...jectiles for the Hisnano- Suiza Gun," by C. L. Critchfield snd J. -McG. Millnr. * Projectile Test Report AD-P99 Ordnance Research Center, A.P.G. Report on

  13. Binary Star Orbits. 3. Revisiting the Remarkable Case of Tweedledum and Tweedledee

    Science.gov (United States)

    2010-06-11

    Observation Date 0.00 0.05 0.10 0.15 0.20 S ep ar at io n D iff er en ce FIN 332 Aa,Ab Unresolved Aa,Ab bB,aBdevlosernU bB,aB 233 NIF 1960 1970 1980 1990...2000 2010 Observation Date 0 50 100 150 200 P os iti on A ng le D iff er en ce FIN 332 Aa,Ab Unresolved Aa,Ab bB,aBdevlosernU bB,aB 233 NIF Figure

  14. Falling Behind: International Scrutiny of the Peaceful Atom

    Science.gov (United States)

    2008-02-01

    making mixed-oxide ( MOX ) fuel out of powdered uranium and nuclear weapons usable separated plutonium, the IAEA could not account for 69 kilograms of...20 Dr. Lyman details a similarly disturbing incident involving MOX scrap in Japan where at least one bomb’s worth of weapons-usable plutonium went...Pu(NO3)4 or other pure Pu compounds: HEU or 233U oxide or other pure U compounds; MOX or other nonirradiated pure mixtures containing Pu, U (233U

  15. PCR identification of bacteria in blood culture does not fit the daily workflow of a routine microbiology laboratory.

    Science.gov (United States)

    Karumaa, Santra; Kärpänoja, Pauliina; Sarkkinen, Hannu

    2012-03-01

    We have evaluated the GenoType blood culture assay (Hain Lifescience, Nehren, Germany) for the identification of bacteria in 233 positive blood cultures and assessed its suitability in the workflow of a routine microbiology laboratory. In 68/233 (29.2%) samples, the culture result could not be confirmed by the GenoType assay due to a lack of primers in the test, multiple organisms in the sample, or inconsistency with respect to the identification by culture. Although the GenoType blood culture assay gives satisfactory results for bacteria for which primers are available, there are difficulties in applying the test in the routine microbiology laboratory.

  16. Oral Administration of T Cell Epitope Peptide Inhibits the Systemic IL-4 Response Elicited by an Egg-White Diet in a TCR Transgenic Mouse Model

    OpenAIRE

    HIRAIDE, Erika; NAKAJIMA-ADACHI, Haruyo; Hachimura, Satoshi

    2014-01-01

    Oral immunotherapy with T cell epitope peptides is a promising treatment for food allergy. We examined the effect of oral administration of an ovalbumin T cell epitope peptide (OVA323-339) in a TCR transgenic mouse model (OVA23-3 mice). OVA23-3 mice were fed egg-white diet containing ovalbumin and subsequently orally administrated the OVA323-339 peptide. Cytokine measurements revealed that the IL-4 production of splenic CD4+ T cells was significantly decreased by feeding the OVA323-339 peptid...

  17. Anxiety, Depression, and Irritability in Children with Autism Relative to Other Neuropsychiatric Disorders and Typical Development

    Science.gov (United States)

    Mayes, Susan Dickerson; Calhoun, Susan L.; Murray, Michael J.; Ahuja, Meesha; Smith, Laura A.

    2011-01-01

    Maternal ratings of anxiety, depression, and irritability were analyzed in 1390 children (6-16 years of age), including 233 children with high functioning autism (HFA, IQ greater than or equal to 80), 117 children with low functioning autism (LFA, IQ less than 80), 187 typical children, and 853 children with other disorders. As a group, children…

  18. Composition of ending inventory, November 1966

    Energy Technology Data Exchange (ETDEWEB)

    Budd, R.O.

    1966-12-14

    Submitted herewith are source and special nuclear material composition of ending inventory reports for the month of November 1966. The depleted uranium, enriched uranium, plutonium, enriched lithium, U-233, normal uranium, neptunium 237, plutonium 238, deuterium, tritium, and thorium compositions are all broken down.

  19. Social media and higher education: Introversion and collaborative learning from the student's perspective

    NARCIS (Netherlands)

    Voorn, R.J.J.; Kommers, Piet A.M.

    2013-01-01

    The aim of this study is to understand how social media contribute to face-to-face collaborative learning by introvert students in higher education. A total of 233 students participated. This study shows that more introvert students perceive that social media are more helpful for increasing their co

  20. 数据处理、信息处理

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    IELDVD060:9286:29507-230 0607693 微观有机体的数值分析=The numerical analyses of mi- croscopic organisms[会,英]/Ballan,M.//Signal Pro- cessing and Communications Applications Conference, 2004.Proceedings of the IEEE 12th.-230-233(A) In this work,the limited amount of mould images,

  1. Organic carbon in Antarctic snow: spatial trends and possible sources

    Digital Repository Service at National Institute of Oceanography (India)

    Antony, R.; Mahalinganathan, K.; Thamban, M.; Nair, S.

    .; Shepson, P. B. Snowpack production of formalde- hyde and its effect on the Arctic troposphere. Nature 1999, 398,230–233. (9) Guimbaud, C.; Grannas, A. M.; Shepson, P. B.; Fuentes, J. D.; Boudries, H.; Bottenheim, J. W.; DominC19e, F.; Houdier, S.; Perrier...

  2. Fission-suppressed hybrid reactor: the fusion breeder

    Energy Technology Data Exchange (ETDEWEB)

    Moir, R.W.; Lee, J.D.; Coops, M.S.

    1982-12-01

    Results of a conceptual design study of a /sup 233/U-producing fusion breeder are presented. The majority of the study was devoted to conceptual design and evaluation of a fission-suppressed blanket and to fuel cycle issues such as fuel reprocessing, fuel handling, and fuel management. Studies in the areas of fusion engineering, reactor safety, and economics were also performed.

  3. Disease: H00016 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available 8 (marker) Schliephake H. Prognostic relevance of molecular markers of oral cancer--a review. Int J Oral Max...illofac Surg 32:233-45 (2003) PMID:14693233 (marker) Bettendorf O, Piffko J, Bankfalvi A. Prognostic and pre

  4. Involvement of Human Estrogen Related Receptor Alpha 1 (hERR 1) in Breast Cancer and Hormonally Insensitive Disease

    Science.gov (United States)

    2002-08-01

    and Hertz, J. E. (1997) Mol. Endocrino !. 11, 342-352 43. Burbach, J. P. H., Lopes do Silva, S., Cox, J. J., Adan, R. A. H., Cooney, A. J., 12. Shigeta... Endocrino ). 172, 223-233 50. Allegra, J. C., Lipprman, H. E., Thompson, E. B., Simon, R., Barlockc, A., Green, 22. Tremoblay, G. B., Kunath, T

  5. Data of evolutionary structure change: 1BDBA-2UVDB [Confc[Archive

    Lifescience Database Archive (English)

    Full Text Available 1BDBA-2UVDB 1BDB 2UVD A B MKLKGEAVLITGGASGLGRALVDRFVAEGAKVAVLDKS-...line> ALA CA 233 2UVD B 2UV...CA 396 GLY CA 396 ILE CA 361 VAL CA 290 2UV...D B 2UVDB VAL CA 467 ASN CA 453 GLY CA 474 2UV

  6. Data of evolutionary structure change: 1BDBA-2UVDG [Confc[Archive

    Lifescience Database Archive (English)

    Full Text Available 1BDBA-2UVDG 1BDB 2UVD A G MKLKGEAVLITGGASGLGRALVDRFVAEGAKVAVLDKS-...LA CA 233 2UVD G 2UV...LEU CA 396 GLY CA 396 ILE CA 361 VAL CA 290 2UVD G 2UVDG VAL CA 467 ASN CA 453 GLY CA 474 2UV

  7. Optimization of the self-sufficient thorium fuel cycle for CANDU power reactors

    Directory of Open Access Journals (Sweden)

    Bergelson Boris R.

    2008-01-01

    Full Text Available The results of optimization calculations for CANDU reactors operating in the thorium cycle are presented in this paper. Calculations were performed to validate the feasibility of operating a heavy-water thermal neutron power reactor in a self-sufficient thorium cycle. Two modes of operation were considered in the paper: the mode of preliminary accumulation of 233U in the reactor itself and the mode of operation in a self-sufficient cycle. For the mode of accumulation of 233U, it was assumed that enriched uranium or plutonium was used as additional fissile material to provide neutrons for 233U production. In the self-sufficient mode of operation, the mass and isotopic composition of heavy nuclei unloaded from the reactor should provide (after the removal of fission products the value of the multiplication factor of the cell in the following cycle K>1. Additionally, the task was to determine the geometry and composition of the cell for an acceptable burn up of 233U. The results obtained demonstrate that the realization of a self-sufficient thorium mode for a CANDU reactor is possible without using new technologies. The main features of the reactor ensuring a self-sufficient mode of operation are a good neutron balance and moving of fuel through the active core.

  8. Content of Transuranium Nuclide in Process of Irradiating Thorium

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Currently, sufficient nuclear fuel supply is most important problem with the nuclear power grow rapidly, so the use of thorium fuel is being put on the agenda. The applicability of thorium as a power reactor is based on a (n, γ) reaction on 232Th. The consequent nucleus, 233Th,

  9. PLUTONIUM-THORIUM ALLOYS

    Science.gov (United States)

    Schonfeld, F.W.

    1959-09-15

    New plutonium-base binary alloys useful as liquid reactor fuel are described. The alloys consist of 50 to 98 at.% thorium with the remainder plutonium. The stated advantages of these alloys over unalloyed plutonium for reactor fuel use are easy fabrication, phase stability, and the accompanying advantuge of providing a means for converting Th/sup 232/ into U/sup 233/.

  10. Promoting Young Children's Social Competence through the Preschool PATHS Curriculum and MyTeachingPartner Professional Development Resources

    Science.gov (United States)

    Hamre, Bridget K.; Pianta, Robert C.; Mashburn, Andrew J.; Downer, Jason T.

    2012-01-01

    Research Findings: Children's (n = 980) social competence during prekindergarten was assessed as a function of their teachers' (n = 233) exposure to the Preschool Promoting Alternative Thinking Strategies (PATHS) curriculum and 2 levels of support through MyTeachingPartner, a Web-based approach to professional development. Children in classrooms…

  11. THERMAL MUONIUM IN VACUO FROM SILICA AEROGELS

    NARCIS (Netherlands)

    Schwarz, Willi; Ebert, Volker; Geerds, Hans; Jungmann, Klaus-Peter; Kirches, Stefan; Koppe, Stefan; Maas, Frank Ewald; Mundinger, Hans Juergen; zu Putlitz, Gisbert; Rosenkranz, Juergen; Schaefer, Willi; Schiff, Guenther; Zhang, Zhizhang; Boshier, MG; Hughes, V.W.

    1992-01-01

    Muonium atoms have been observed emerging into vacuum from silica aerogel surfaces with a thermal velocity distribution corresponding to a temperature of 298(10) K after stopping positive muons from a subsurface muon beam. Yields up to 2.3(3)% could be achieved for aerogel samples of 160 mg/cm3 dens

  12. Image Segmentation for Improvised Explosive Devices

    Science.gov (United States)

    2012-12-01

    Soltani and Wong in 1988 [23]. Also, Sezgin and Sankur 2004 and Shapiro 2001 12 Figure 2.3: Comparing the usefulness of histograms to define the threshold...S. Soltani , and A. K. Wong. A survey of thresholding techniques. Computer Vision, Graphics, and Image Processing, 41(2):233–260, 1988. [24] M

  13. Study of an ADS Loaded with Thorium and Reprocessed Fuel

    Directory of Open Access Journals (Sweden)

    Graiciany de Paula Barros

    2012-01-01

    Full Text Available Accelerator-driven systems (ADSs are investigated for long-lived fission product transmutation and fuel regeneration. The aim of this paper is to investigate the nuclear fuel evolution and the neutronic parameters of a lead-cooled accelerator-driven system used for fuel breeding. The fuel used in some fuel rods was T232hO2 for U233 production. In the other fuel rods was used a mixture based upon Pu-MA, removed from PWR-spent fuel, reprocessed by GANEX, and finally spiked with thorium or depleted uranium. The use of reprocessed fuel ensured the use of T232hO2 without the initial requirement of U233 enrichment. In this paper was used the Monte Carlo code MCNPX 2.6.0 that presents the depletion/burnup capability, combining an ADS source and kcode-mode (for criticality calculations. The multiplication factor (keff evolution, the neutron energy spectra in the core at BOL, and the nuclear fuel evolution during the burnup were evaluated. The results indicated that the combined use of T232hO2 and reprocessed fuel allowed U233 production without the initial requirement of U233 enrichment.

  14. 40 CFR Appendix A to Part 191 - Table for Subpart B

    Science.gov (United States)

    2010-07-01

    ...-90 1,000 Technetium-99 10,000 Thorium-230 or -232 10 Tin-126 1,000 Uranium-233, -234, -235, -236, or... from (a) and (b) of Note 1 shall no longer be used. Instead, the units of waste defined in (c) and...

  15. 77 FR 20478 - Proposed Agency Information Collection Activities; Comment Request

    Science.gov (United States)

    2012-04-04

    ... Appliances). Section 233.5 provides that each railroad must report to FRA within 24 hours after learning of an accident or incident arising from the failure of a signal appliance, device, method, or ] system... departure test test of cab signal, train stop, or train control devices on locomotives before...

  16. Nursing Care Hour Standards Study. Part 1. Section A. Patient Classification System Model Development

    Science.gov (United States)

    1981-09-01

    Medication = 2103 (232) Suppository, Rectal/Vaginal = 2104 (233) Topical Medication = 2105 (234) Sublingual Medication = 2106 (235) Bone Marrow...2106 SUBLINGUAL : Place equipment at bedside, place medication under patient’s tongue; then remove equipment from area. DIAGNOSTIC TESTS: 2201 BONE MARROW...INSTRUCTION: 2301 TEACHING - MEDICATION ADMINISTRATION: Upon arrival at bedside, provide instruction on dosage, route , and specific drug related

  17. Adolescent Loneliness Assessment

    Science.gov (United States)

    de Minzi, Maria Cristina Richaud; Sacchi, Carla

    2004-01-01

    The aim of the present work was to develop a loneliness scale for adolescents in order to assess their perceptions of the quality of their relationships with parents and peers. The scale was administered to 1,233 Argentine secondary school students, aged 13-16 years. Factor analyses (principal axes, oblimin solution) were conducted. Four factors…

  18. 77 FR 51568 - Outer Continental Shelf, Gulf of Mexico, Oil and Gas Lease Sales, Western Planning Area Lease...

    Science.gov (United States)

    2012-08-24

    ... Bureau of Ocean Energy Management Outer Continental Shelf, Gulf of Mexico, Oil and Gas Lease Sales, Western Planning Area Lease Sale 233 and Central Planning Area Lease Sale 231 AGENCY: Bureau of Ocean... announced its intent to prepare a Supplemental EIS for proposed Western Planning Area (WPA) Lease Sale...

  19. 7 CFR 4290.720 - Enterprises that may be ineligible for Financing.

    Science.gov (United States)

    2010-01-01

    ... to others, purchasing debt obligations, factoring, or long-term leasing of equipment with no...: (i) Any Enterprise classified under sector 233 (Building, Developing, and General Contracting) of the NAICS Manual, or (ii) Any Enterprise listed under sector 531 (Real Estate) unless at least 80 percent...

  20. Drug: D04380 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available Therapeutic category of drugs in Japan [BR:br08301] 2 Agents affecting individual organs 23 Digestive organ agents... 233 Stomachics and digestives 2332 Yeast agents D04380 Dried yeast (JP16) CAS: 68876-77-7 PubChem: 17398081 ...

  1. 78 FR 64175 - Hashemite Kingdom of Jordan Loan Guarantees Issued Under the Further Continuing Appropriations...

    Science.gov (United States)

    2013-10-28

    ... DEVELOPMENT 22 CFR Part 233 Hashemite Kingdom of Jordan Loan Guarantees Issued Under the Further Continuing... applicable to loan guarantees to be issued for the benefit of the Hashemite Kingdom of Jordan pursuant to the..., may issue certain loan guarantees applicable to sums borrowed by the Hashemite Kingdom of Jordan...

  2. 33 CFR 165.506 - Safety Zones; Fifth Coast Guard District Fireworks Displays.

    Science.gov (United States)

    2010-07-01

    ... will be enforced on that day. This notice will consist of a diamond shaped sign 4 feet by 4 feet with a...°13′23.3″ N, longitude 076°40′11.8″ W, located near Kingsmill Resort. (d) Coast Guard Sector...

  3. Height and blood chemistry in adults with a history of developmental arsenic poisoning from contaminated milk powder

    DEFF Research Database (Denmark)

    Yorifuji, Takashi; Matsuoka, Kenichi; Grandjean, Philippe

    2017-01-01

    . RESULTS: The average height of the exposed group was 6.5cm below that of the unexposed group (p=0.02), while the latter was in accordance with national data for both sexes. In addition, the exposed participants had a higher mean (SD) serum concentration of alkaline phosphatase (ALP) of 233 (63) U/L than...

  4. 'We Are Not Here to Claim Better Services than Any Other': Social Exclusion among Men from Refugee Backgrounds in Urban and Regional Australia

    NARCIS (Netherlands)

    I. Correa-Velez; R. Spaaij; S. Upham

    2013-01-01

    This article reports on a mixed-methods study of social exclusion experiences among 233 resettled refugees living in urban and regional Queensland, Australia. The findings reported here are drawn from the SettleMEN project, a longitudinal investigation of health and settlement experiences among rece

  5. Narcissistic Features in Young Adolescents: Relations to Aggression and Internalizing Symptoms.

    Science.gov (United States)

    Washburn, Jason J.; McMahon, Susan D.; King, Cheryl A.; Reinecke, Mark A.; Silver, Carrie

    2004-01-01

    Recent research and theory suggest narcissistic features contribute to aggression in adults. The present study examined the association of narcissistic features with aggression and internalizing symptoms in 233 students of 5th-8th grade at three inner-city schools. A factor analysis of the Narcissistic Personality Inventory in this sample revealed…

  6. Relationship of cardiac structure and function to cardiorespiratory fitness and lean body mass in adolescents and young adults with Type 2 Diabetes

    Science.gov (United States)

    To investigate the relationships of cardiac structure and function with body composition and cardiorespiratory fitness (CRF) among adolescents with type 2 diabetes in the Treatment Options for Type 2 Diabetes in Adolescents and Youth (TODAY) Study Group. Cross-sectional evaluation of 233 participant...

  7. Multichannel Relative-Entropy Spectrum Analysis.

    Science.gov (United States)

    1986-03-25

    infinity. Inverting the spectral matrix and using the same algebraic manipulations as before gives the following equivalent formula for Q(w.): Qxw, eIwr Q...Math Phys. 25, pp. 261-278 (1947). 32. J. Durbin , "The fitting of time series models," Rev. Inst. Int. de Stat. 28, pp. 233-244 (1960). LL 22

  8. Respiratory System

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    7.1 Bronchial asthma2004362 The effects of anti-inflammatory and anti-asthmatic agents on CD34+ hematopoietic cells in bone marrow of asthmatic mice. MAO Hui(毛辉) ,et al. Dept Respir, West China Hosp, Sichuan Univ, Chengdu 610041. Chin J Tuberc Respir Dis 2004; 27 (4):229-233.

  9. Finger temperature as a predictor of thermal comfort for sedentary passengers in a simulated aircraft cabin

    DEFF Research Database (Denmark)

    Strøm-Tejsen, Peter; Wyon, David Peter; Zukowska, Daria

    2009-01-01

    Experiments were carried out in a simulated aircraft cabin with 21 seats installed in a climate chamber, to determine the extent to which passengers’ perception of cabin air quality is affected by air temperature. The temperature inside the cabin was set at three different levels, 20.6, 23.3 and ...

  10. EST Table: FS920155 [KAIKOcDNA[Archive

    Lifescience Database Archive (English)

    Full Text Available /09/13 78 %/233 aa FBpp0232921|DvirPros28.1-PA 10/08/29 62 %/212 aa C36B1.4#CE05371#WBGene00003925#locus:pas-4#proteasome A-type subm...it#status:Confirmed#UniProt:Q95005#protein_id:CAB022 69.

  11. Socially Coherent Negotiation for Cooperative Multiagent Systems

    Science.gov (United States)

    2008-07-16

    Logical Essays, R. B. Braithwaite, Ed. New York, NY: The Humanities Press, 1950. [9] B. de Finetti , “La prévision: ses lois logiques, ses sources...Springer Verlag, New York, NY, 1999. 10. F. G. Cozman. Credal networks. Artificial Intelligence, 120:199– 233, 2000. 11. B. de Finetti . La prévision: ses

  12. Curriculum-Based Measurement of Writing in Kindergarten and First Grade: An Investigation of Production and Qualitative Scores

    Science.gov (United States)

    Coker, David L., Jr.; Ritchey, Kristen D.

    2010-01-01

    Despite the growing body of research on writing assessment, little attention has been devoted to developing and validating measures for beginning writers. This study examined the technical adequacy of a Sentence Writing measure with 233 students in kindergarten and first grade. The reliability, validity, and sensitivity to growth were investigated…

  13. Deployment of Military Mothers during Wartime

    Science.gov (United States)

    2012-11-12

    looked to the other parent or caregiver for their needs out of habit . [P14] Just coming back into the family, all the roles that my husband...Psychiatry, 13(4), 233-243. PMID: 16126609 Shamai, M. & Kimhi, S. (2007), Teenagers response to threat of war and terror: gender and the role of

  14. Gclust Server: 25795 [Gclust Server

    Lifescience Database Archive (English)

    Full Text Available 25795 HSA_89056940 Cluster Sequences Related Sequences(5) 233 XP_209187.4 PREDICTED: similar to fasting...tative annotation XP_209187.4 PREDICTED: similar to fasting-inducible integral membrane protein TM6P1 isofor

  15. 10 CFR 73.2 - Definitions.

    Science.gov (United States)

    2010-01-01

    ... 104, 105, and 202 of the Uranium Mill Tailings Radiation Control Act of 1978), any state or political... material of moderate strategic significance in this section, but more than 15 grams of uranium-235 (contained in uranium enriched to 20 percent or more in U-235 isotope) or 15 grams of uranium-233 or 15...

  16. The Effect of Social and Classroom Ecological Factors on Promoting Self-Determination in Elementary School

    Science.gov (United States)

    Cho, Hyun-Jeong; Wehmeyer, Michael L.; Kingston, Neal M.

    2012-01-01

    The authors surveyed 233 elementary special educators in 23 states to determine (a) how the teaching of self-regulation strategies and classroom setting affected their perceptions of the importance of teaching self-determination, (b) the frequency with which they did so, and (c) the barriers to promoting self-determination. Results indicated that…

  17. Molecular phylogeny, diversity and bioprospecting of endophytic fungi associated with wild ethnomedicinal North American plant Echinacea purpurea (Asteraceae)

    Science.gov (United States)

    The endophytic fungal community associated with the wild ethnomedicinal North American plant Echinacea purpurea was investigated as well as its potential for providing antifungal compounds against plant pathogenic fungi. A total of 233 endophytic fungal isolates were obtained and classified into 42 ...

  18. An A Priori Multiobjective Optimization Model of a Search and Rescue Network

    Science.gov (United States)

    1992-03-01

    Vehicle Routing Problem .................. 9...necessary to prevent the resulting tree from becoming disconnected. (6:1021) 8 2.3.3 Probabilistic Vehicle Routing Problem . The third area where a priori...optimization is used is the probabilistic vehicle routing problem (PVRP). Like the previous two problems, the stochastic problem is an extension of

  19. Petroleum hydrocarbons in surface sediments in Kandla creek (Gujarat)

    Digital Repository Service at National Institute of Oceanography (India)

    Kadam, A.N.

    Petroleum hydrocarbons in the surface sediments were determined gravimetrically and spectroscopically to evaluate petroleum oil pollution in the Kandla creek. They ranged from 9.6 — 140.5 and 6.5 — 23.3 μg g-1 (wet wt.) respectively. Gas...

  20. Epibiotic community on the acorn barnacle (Balanus amphitrite) from a monsoon-influenced tropical estuary

    Digital Repository Service at National Institute of Oceanography (India)

    Sahoo, G.; Khandeparker, L.

    of Phycology, 23(3), 434-441. Ianora, A., A. Miralto (2010) Toxigenic effects of diatoms on grazers, phytoplankton and other microbes: a review. Ecotoxicology, 19(3), 493-511. Jackson, D., S.P. Leys, V.F. Hinman, R. Woods, M.F. Lavin, B.M. Degnan (2002...

  1. A Psychometric Validation of the Internal and External Motivation to Respond without Prejudice toward People with Disabilities Scale

    Science.gov (United States)

    Pruett, Steven R.; Deiches, Jon; Pfaller, Joseph; Moser, Erin; Chan, Fong

    2014-01-01

    Objective: To determine the factorial validity of the Internal and External Motivation to Respond without Prejudice toward People with Disabilities Scale (D-IMS/EMS). Design: A quantitative descriptive design using factor analysis. Participants: 233 rehabilitation counseling and rehabilitation services students. Results: Both exploratory and…

  2. Implementing the Health Promoting School in Denmark: A Case Study

    Science.gov (United States)

    Nordin, Lone Lindegaard

    2016-01-01

    Purpose: The purpose of this paper is to provide insight into teachers' practice in implementing school-based health promotion. Design/methodology/approach: This qualitative research was designed as a multiple case study. The study involved five schools, 233 pupils in the age 12-16 and 23 teachers. The primary data generation method were focus…

  3. Therapeutic Influence as a Function of Therapist Attire and the Seating Arrangement in an Initial Interview.

    Science.gov (United States)

    Gass, Carlton S.

    1984-01-01

    Investigated the impact of therapist attire and seating arrangement on observers' perceptions of a therapist's attractiveness, expertise, and trustworthiness. Undergraduates (N=233) listened to an audiotaped interview while viewing a slide presentation. The casual attire/no desk setting elicited the highest attraction ratings, mediated by the…

  4. Universality and scaling in a charge two-channel Kondo device

    NARCIS (Netherlands)

    Mitchell, Andrew K.; Landau, L. A.; Fritz, L.; Sela, E.

    2016-01-01

    We study a charge two-channel Kondo model, demonstrating that recent experiments [Iftikhar et al, Nature 526, 233 (2015)] realize an essentially perfect quantum simulation -- not just of its universal physics, but also nonuniversal effects away from the scaling limit. Numerical renormalization group

  5. Elderly women with breast cancer often die due to other causes regardless of primary endocrine therapy or primary surgical therapy

    NARCIS (Netherlands)

    Traa, M.J.; Meijs, C.M.E.M.; Jongh, M.A. de; Borst, E.C. van der; Roukema, J.A.

    2011-01-01

    Survival and cause of death was investigated for Primary Surgical Therapy (PST) and Primary Endocrine Therapy (PET). Of women aged >/=75 years 113 patients received PET, 233 patients underwent PST. PST gave better survival, although this group was younger (p < 0.001). During follow-up the perc

  6. Classification of headache on the basis of the IHS diagnostic criteria

    NARCIS (Netherlands)

    de Bruijn-Kofman, AT; van de Wiel, H; Sorbi, MJ

    1999-01-01

    Objective: To test the effects of a mass-media behavioral treatment program on migraine and tension-type headache, patients with pure migraine, and with pure tension-type headache were to be selected. Patient Selection: A random sample of 233 headache sufferers of 15,000 subscribers to the program.

  7. Oxygen sensing and conducted vasomotor responses in mouse cremaster arterioles in situ

    DEFF Research Database (Denmark)

    Ngo, Thuc Anh; Jensen, Lars Jørn; Riemann, Mads Achen;

    2010-01-01

    to low or high oxygen. Induction of localized low (PO(2) = 23.3 +/- 5.7 mmHg) or high (PO(2) = 300.0 +/- 25.7 mm Hg) oxygen tension caused vasodilatation or -constriction locally and at a site 1,000 mum upstream (distantly). Glibenclamide blocker of ATP-sensitive K(+) channels inhibited vasodilatation...

  8. Mars' radio spectrum and the flying dust.

    NARCIS (Netherlands)

    M. Roos-Serote; D.M. Stam; R.P. Fender

    2004-01-01

    Mars' radio spectrum at centimeter wavelengths is produced by thermal radiation from the surface and sub-surface. Observations at 2.8 cm made in the 1975 and 1978 show variations of its radio brightness as a function of longitude on the planet (Doherty et al. , ApJ 233, 1979). In addition, an overal

  9. Data of evolutionary structure change: 1CTWA-1SX2A [Confc[Archive

    Lifescience Database Archive (English)

    Full Text Available 1CTWA-1SX2A 1CTW 1SX2 A A MNIFEMLRIDEGLRLKIYKDTEGYYTIGIGHLLTKSPSL...entryIDChain>1SX2A LRMLQ-KRWDE ure>HHHH - HHH...G CA 233 TRP CA 289 ASP CA 237 GLU CA 237 1CT...W A 1CTWA LRMLQQ...KRWDE ure>HHHHH HHHure>

  10. 76 FR 11268 - In the Matter of Certain Digital Televisions and Components Thereof; Notice of Commission...

    Science.gov (United States)

    2011-03-01

    ... terminate the investigation in its entirety. FOR FURTHER INFORMATION CONTACT: Michael Liberman, Esq., Office...,906; and U.S. Patent No. 6,598,233. 75 FR 63857 (Oct. 18, 2010). Complainant LG named Vizio, Inc. of.... Bishop, Hearings and Meetings Assistant. BILLING CODE 7020-02-P...

  11. Psychological Climates in Action Learning Sets: A Manager's Perspective

    Science.gov (United States)

    Yeadon-Lee, Annie

    2015-01-01

    Action learning (AL) is often viewed as a process that facilitates professional learning through the creation of a positive psychological climate [Marquardt, M. J. 2000. "Action Learning and Leadership." "The Learning Organisation" 7 (5): 233-240; Schein, E. H. 1979. "Personal Change Through Interpersonal…

  12. EST Table: FY004385 [KAIKOcDNA[Archive

    Lifescience Database Archive (English)

    Full Text Available FY004385 bmov13f11 11/11/04 100 %/233 aa ref|NP_001040121.1| endothelial-monocyte a...ctivating polypeptide II [Bombyx mori] gb|ABD36113.1| endothelial-monocyte activating polypeptide II [Bombyx

  13. 76 FR 72189 - Notice of Proposed Information Collection Requests

    Science.gov (United States)

    2011-11-22

    .... Title of Collection: Teacher Education Assistance for College and Higher Education Grant (TEACH... Annual Responses: 233,276. Total Estimated Annual Burden Hours: 32,739. Abstract: The Teacher Education Assistance for College and Higher Education (TEACH) Grant program is a non-need-based grant program...

  14. Data of evolutionary structure change: 1BS7A-3CPMA [Confc[Archive

    Lifescience Database Archive (English)

    Full Text Available 1BS7A-3CPMA 1BS7 3CPM A A -----SVLQVLHIPDERLRKVAKPVEEVNAEIQRIVDDM... 3CPM A 3CPMA THR CA 223 GLY CA 250 ILE CA 233 3CPM... A 3CPMA IKKYSDKLVPF ILE CA 313 ARG CA 309 GLN CA 237 3CPM

  15. 77 FR 1941 - National Heart, Lung, and Blood Institute; Notice of Closed Meeting

    Science.gov (United States)

    2012-01-12

    ... Enhancement Grants for Stem Cell Research. Date: February 1, 2012. Time: 1 p.m. to 3 p.m. Agenda: To review... Domestic Assistance Program Nos. 93.233, National Center for Sleep Disorders Research; 93.837, Heart and Vascular Diseases Research; 93.838, Lung Diseases Research; 93.839, Blood Diseases and Resources...

  16. 78 FR 7795 - National Heart, Lung, and Blood Institute; Notice of Closed Meeting

    Science.gov (United States)

    2013-02-04

    ... grant application in rat embryonic stem cell lines. Date: February 21, 2013. Time: 1:00 p.m. to 3:00 p.m... . (Catalogue of Federal Domestic Assistance Program Nos. 93.233, National Center for Sleep Disorders Research; 93.837, Heart and Vascular Diseases Research; 93.838, Lung Diseases Research; 93.839, Blood...

  17. 77 FR 30542 - National Heart, Lung, and Blood Institute; Notice of Closed Meetings

    Science.gov (United States)

    2012-05-23

    ... Enhancement Grants for Stem Cell Research Date: June 13, 2012. Time: 1 p.m. to 4 p.m. Agenda: To review and... Federal Domestic Assistance Program Nos. 93.233, National Center for Sleep Disorders Research; 93.837, Heart and Vascular Diseases Research; 93.838, Lung Diseases Research; 93.839, Blood Diseases...

  18. 40 CFR 122.27 - Silvicultural activities (applicable to State NPDES programs, see § 123.25).

    Science.gov (United States)

    2010-07-01

    ... conveyance related to rock crushing, gravel washing, log sorting, or log storage facilities which are... 404 permit (See 33 CFR 209.120 and part 233). (2) Rock crushing and gravel washing facilities means... whose discharges result from the holding of unprocessed wood, for example, logs or roundwood with...

  19. 77 FR 2643 - Revisions to the California State Implementation Plan, Placer County Air Pollution Control District

    Science.gov (United States)

    2012-01-19

    ... finalizing a limited approval and limited disapproval of revisions to the Placer County Air Pollution Control...) * * * (i) * * * (D) Placer County Air Pollution Control District (1) Rule 233, ``Biomass Boilers,'' amended... AGENCY 40 CFR Part 52 Revisions to the California State Implementation Plan, Placer County Air...

  20. Gclust Server: 185180 [Gclust Server

    Lifescience Database Archive (English)

    Full Text Available 185180 NGR_67711 Cluster Sequences - 233 fgeneshNG_pg.scaffold_24000185; no annotat...ion 1 1.00e-99 0.0 11.11 0.0 0.0 0.0 0.0 Show 185180 Cluster ID 185180 Sequence ID NGR_67711 Link to cluster

  1. Dicty_cDB: Contig-U14116-1 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available rtii subsp. stewartii... 219 2e-55 AB010049_1( AB010049 |pid:none) Schizosaccharomy...3 1e-59 AM743169_795( AM743169 |pid:none) Stenotrophomonas maltophilia K27... 233 1e-59 AY851371_1( AY851371 |pid:none) Pantoea stewa

  2. Internet Protocol-Hybrid Opto-Electronic Ring Network (IP-HORNET): A Novel Internet Protocol-Over-Wavelength Division Multiplexing (IP-Over-WDM) Multiple-Access Metropolitan Area Network (MAN)

    Science.gov (United States)

    2003-04-01

    Technology, STMicroelectronics. 0020-0255/02/$ - see front matter 2002 Elsevier Science Inc . All rights reserved. PII: S0020 -0255 (02 )00250 -5 233...scheduling algorithms. 2002 Elsevier Science Inc . All rights reserved. Keywords: Scheduling; Unslotted CSMA/CA with backoff; MAC; RS; LQF; DPQ; SPF; WDM

  3. Data of evolutionary structure change: 1WWKA-1GDHA [Confc[Archive

    Lifescience Database Archive (English)

    Full Text Available 1WWKA-1GDHA 1WWK 1GDH A A -MKVLVAAPLHEKAIQVLKDAGLEVIYEEY---PDEDRL...5 ARG CA 233 1GDH A 1GDH...ine> LEU CA 378 LYS CA 339 VAL CA 421 1GDH... A 1GDHA VIDRIPENIKCGLU CA 202 1GDH A 1GDH

  4. Special Analysis for the Disposal of the Consolidated Edison Uranium Solidification Project Waste Stream at the Area 5 Radioactive Waste Management Site, Nevada National Security Site, Nye County, Nevada

    Energy Technology Data Exchange (ETDEWEB)

    NSTec Environmental Management

    2013-01-31

    The purpose of this Special Analysis (SA) is to determine if the Oak Ridge (OR) Consolidated Edison Uranium Solidification Project (CEUSP) uranium-233 (233U) waste stream (DRTK000000050, Revision 0) is acceptable for shallow land burial (SLB) at the Area 5 Radioactive Waste Management Site (RWMS) on the Nevada National Security Site (NNSS). The CEUSP 233U waste stream requires a special analysis because the concentrations of thorium-229 (229Th), 230Th, 232U, 233U, and 234U exceeded their NNSS Waste Acceptance Criteria action levels. The acceptability of the waste stream is evaluated by determining if performance assessment (PA) modeling provides a reasonable expectation that SLB disposal is protective of human health and the environment. The CEUSP 233U waste stream is a long-lived waste with unique radiological hazards. The SA evaluates the long-term acceptability of the CEUSP 233U waste stream for near-surface disposal as a two tier process. The first tier, which is the usual SA process, uses the approved probabilistic PA model to determine if there is a reasonable expectation that disposal of the CEUSP 233U waste stream can meet the performance objectives of U.S. Department of Energy Manual DOE M 435.1-1, “Radioactive Waste Management,” for a period of 1,000 years (y) after closure. The second tier addresses the acceptability of the OR CEUSP 233U waste stream for near-surface disposal by evaluating long-term site stability and security, by performing extended (i.e., 10,000 and 60,000 y) modeling analyses, and by evaluating the effect of containers and the depth of burial on performance. Tier I results indicate that there is a reasonable expectation of compliance with all performance objectives if the OR CEUSP 233U waste stream is disposed in the Area 5 RWMS SLB disposal units. The maximum mean and 95th percentile PA results are all less than the performance objective for 1,000 y. Monte Carlo uncertainty analysis indicates that there is a high likelihood of

  5. Situation Tracking in Large Data Streams

    Science.gov (United States)

    2015-02-01

    tell about what they see, even if they see little.” ( Kahneman , D. 2011, pp87-88). This leads us to believe that narrative is vital for understanding...233 Kahneman , D. 2011. Thinking, fast and slow. Macmillan. Lakoff, G. 1987. Women, Fire, and Dangerous Things. The University of Chicago Press

  6. 78 FR 20331 - Changes in Flood Hazard Determinations

    Science.gov (United States)

    2013-04-04

    ... that the community must change any existing ordinances that are more stringent in their floodplain..., 200 Lincoln Avenue, Santa Fe, NM 87501. Oklahoma: Tulsa City of Tulsa (12- The Honorable Stormwater... Works, 233 1791P). Judge, Paul North Pecos La- Elizondo Tower, Trinidad, Suite 101 West Nueva 420,...

  7. 78 FR 14565 - Changes in Flood Hazard Determinations

    Science.gov (United States)

    2013-03-06

    ... that the community must change any existing ordinances that are more stringent in their floodplain... modification No. Oklahoma: Tulsa City of Jenks (12- Mr. Mike Tinker, 211 North Elm http://www.rampp- April 12... W. Wolff, Public Works team.com/lomrs.htm. County (12-06- Bexar County Department, 233 2059P)....

  8. 78 FR 32676 - Changes in Flood Hazard Determinations

    Science.gov (United States)

    2013-05-31

    .... Whippany, NJ 07981. Oklahoma: Tulsa City of Sand The Honorable Public Works http://www.rampp-team.com/ July... to mean that the community must change any existing ordinances that are more stringent in their.... Public Works lomrs.htm. County (13-06- Wolff, Bexar Department, 233 0666P). County Judge, North...

  9. 78 FR 43899 - Changes in Flood Hazard Determinations

    Science.gov (United States)

    2013-07-22

    ... community must change any existing ordinances that are more stringent in their floodplain management... repository Effective date of modification No. Oklahoma: Tulsa (FEMA Docket No.: City of Tulsa (12-06- The... Bexar County (12- Wolff, Bexar County Works Department, 233 06-2059P). Judge, 101 West Nueva North...

  10. 78 FR 8174 - Changes in Flood Hazard Determinations

    Science.gov (United States)

    2013-02-05

    ... to mean that the community must change any existing ordinances that are more stringent in their... repository revision modification No. Oklahoma: Tulsa City of The Honorable Herb 106 North 12th http://www... Bexar Nelson W. Wolff, Works Department, team.com/lomrs.hrm. County (12-06- Bexar County 233 North...

  11. Disease: H01056 [KEGG MEDICUS

    Lifescience Database Archive (English)

    Full Text Available orms Toxocara canis and T. cati, whose definitive hosts are dogs and cats, respectively. Humans become infec...sis. Crit Rev Microbiol 23:215-31 (1997) PMID:9347222 (description) Overgaauw PA Aspects of Toxocara epidemiology: toxocarosis in dogs and cats. Crit Rev Microbiol 23:233-51 (1997) ...

  12. 75 FR 65498 - National Heart, Lung, and Blood Institute; Notice of Closed Meeting

    Science.gov (United States)

    2010-10-25

    ... Awards for Stem Cell Research. Date: November 10, 2010. Time: 12:30 p.m. to 3:30 p.m. Agenda: To review... Program Nos. 93.233, National Center for Sleep Disorders Research; 93.837, Heart and Vascular Diseases Research; 93.838, Lung Diseases Research; 93.839, Blood Diseases and Resources Research,...

  13. 76 FR 20358 - National Heart, Lung, and Blood Institute; Notice of Closed Meeting

    Science.gov (United States)

    2011-04-12

    ... Award for Stem Cell Research. Date: May 4, 2011. Time: 12:30 p.m. to 3 p.m. Agenda: To review and... Program Nos. 93.233, National Center for Sleep Disorders Research; 93.837, Heart and Vascular Diseases Research; 93.838, Lung Diseases Research; 93.839, Blood Diseases and Resources Research,...

  14. 77 FR 25596 - Inspection Service Authority; Seizure and Forfeiture

    Science.gov (United States)

    2012-05-01

    ... without change. List of Subjects in 39 CFR Part 233 Administrative practice and procedure, Crime, Law... appraised value as defined in paragraph (c)(2) of this section. (7) Expense means all costs incurred to... form by requesting one in writing from the appropriate official. (4) Cost bond not required. Any...

  15. 77 FR 56608 - Designation for the Pocatello, ID; Evansville, IN; and Salt Lake City, UT Areas

    Science.gov (United States)

    2012-09-13

    ... regarding the designation criteria in section 79(f) of the USGSA (7 U.S.C. 79(f)) and determined that Idaho... location and Designation Designation Official agency telephone start end Idaho Pocatello, ID (208) 233-8303... unless terminated by the Secretary; however, designations may be renewed according to the criteria...

  16. Team Theory and Decentralized Resource Allocation: An Example.

    Science.gov (United States)

    1982-02-01

    continues through Walras [1954, pp. 84-86, 90-91, 105-106, 169-172, 243-254, and 184-1951, Pareto 11927, pp. 233-2341, Barone, pp. 245-290 in von Hayek...politique (Deuxi~me edition), Marcel Girard, Paris. Walras , L. [19541, Elements of Pure Economics, ed. and tr. by W. Jaffe, George Allen and Unwin

  17. Effects of Soot Structure on Soot Oxidation Kinetics

    Science.gov (United States)

    2011-06-01

    e.g. in document binarization and handwriting recognition (Sauvola et al., 2000; Gatos et al., 2006). Local means that the value of T is not constant...Lahaye, Combustion and Flame. 79, (1990) 226-233. Gatos , B., Pratikakis, I., Perantonis, S. Pattern Recognition 39 (2006) 317– 327. Hagen D. P

  18. A Preliminary Study of the Osteogenic Potential of a Biodegradable Alloplastic-Osteoinductive Alloimplant

    Science.gov (United States)

    1987-06-01

    Glowacki, J., and Mulliken, J. B.: Demineralized bone implants. Clin. Plast. Surg. 12:233, 1985. 12. Higashi, S., Yamamuro , T., Nakamura, T., Ikada... Yamamuro , T., Nakamura, T. , Ikada, Y., Hyon, p S. H., and Jamshidi, K.: Polymer-hydroxyapatite composites for biodegradable bone fillers

  19. 78 FR 38027 - ISO New England Inc.; Notice of Initiation of Proceeding and Refund Effective Date

    Science.gov (United States)

    2013-06-25

    ... Energy Regulatory Commission ISO New England Inc.; Notice of Initiation of Proceeding and Refund... determine the justness and reasonableness of section III.A.15 of Appendix A of ISO New England Inc.'s existing tariff. Dominion Energy Marketing, Inc. and ISO New England Inc., 143 FERC ] 61,233 (2013)....

  20. Data of evolutionary structure change: 1ALCA-1VEDA [Confc[Archive

    Lifescience Database Archive (English)

    Full Text Available 1ALCA-1VEDA 1ALC 1VED A A KQFTKCELSQNL--YDIDGYGRIALPELICTMFHTSGYD...CA 233 THR CA 295 GLU CA 388 TYR CA 428 1VED... A 1VEDA ASP CA 290 1VED A 1VED... CA 249 GLU CA 193 GLN CA 219 TRP CA 312 1VED

  1. 75 FR 47059 - Notice To Rescind Notice of Intent To Prepare an Environmental Impact Statement: Warren County, IA

    Science.gov (United States)

    2010-08-04

    ... Statement: Warren County, IA AGENCY: Federal Highway Administration (FHWA), Iowa DOT, Warren County. ACTION... Division Office, 105 Sixth Street, Ames, IA 50010, Phone 515-233-7302; or James P. Rost, Director, Office of Location and Environment, Iowa Department of Transportation, 800 Lincoln Way, Ames, IA...

  2. Middle Eastern Geographies of World War I

    Science.gov (United States)

    2010-05-21

    retain.131 Soon after the fall of Basra, Sir Percy Cox, Chief Political Officer to the campaign, and Lord Hardinge, the Viceroy of India, both made...34Why Geography Matters ... But So Little is Learned." Orbis 47, no. 2 (Spring 2003): 217- 233. McFate, Montgomery, and Andrea Jackson . "An

  3. Identifying Acquisition Framing Assumptions Through Structured Deliberation

    Science.gov (United States)

    2014-01-01

    idea generation tasks in a meta-analysis of the electronic group brainstorming literature,” Computers in Human Behavior , 23(3), 1549-1581. (IHI...Merit of Group Interaction in Creative Idea Generation Tasks in a Meta-Analysis of the Electronic Group Brainstorming Literature,” Computers in Human Behavior , Vol

  4. Listening Comprehension Performance Viewed in the Light of Emotional Intelligence and Foreign Language Listening Anxiety

    Science.gov (United States)

    Valizadeh, Mohammad Reza; Alavinia, Parviz

    2013-01-01

    The researchers in the current study were after probing the potential relationship between emotional intelligence, foreign language listening anxiety (FLLA), and listening comprehension performance of Iranian EFL learners. To this end, 233 participants, studying English language and literature at three different Universities in Urmia, were…

  5. English as a Foreign Language Spelling: Comparisons between Good and Poor Spellers

    Science.gov (United States)

    Russak, Susie; Kahn-Horwitz, Janina

    2015-01-01

    This study examined English as a foreign language (EFL) spelling development amongst 233 fifth-grade, eighth-grade and 10th-grade Hebrew first-language speakers to examine effects of English orthographic exposure on spelling. Good and poor speller differences were examined regarding the acquisition of novel phonemes (/ae/, /?/ and /?/) and…

  6. A randomized study of KRAS-guided maintenance therapy with bevacizumab, erlotinib or metronomic capecitabine after first-line induction treatment of metastatic colorectal cancer

    DEFF Research Database (Denmark)

    Hagman, H; Frödin, J-E; Berglund, Å

    2016-01-01

    -free survival (PFS) rate (PFSr) at 3 months after start of mt. A pooled analysis of KRAS wt patients from the previous ACT study was performed. RESULTS: We included 233 patients. Median age was 64 years, 62% male, 68% ECOG 0, 52% with primary tumor in situ. A total of 138 patients started mt after randomization...

  7. A STUDY OF FACTORS ASSOCIATED WITH OUTCOMES OF MDTA AGRICULTURAL EDUCATION PROJECTS IN THE SOMERSET AREA. FINAL REPORT.

    Science.gov (United States)

    GOUGH, LOWELL A.; ROWE, HAROLD R.

    THREE MANPOWER DEVELOPMENT AND TRAINING ACT (MDTA) AGRICULTURAL EDUCATION COURSES WERE EVALUATED TO DETERMINE WHETHER THEY ARE A GOOD INVESTMENT FOR TRAINING FARM WORKERS TO PROFITABLY PROVIDE PRODUCTS FOR A DIVERSIFIED FARM MARKET. A SURVEY OF 233 ENROLLEES DURING TRAINING, AND EMPLOYMENT SERVICE FOLLOWUP RECORDS PROVIDED INFORMATION FOR PRE- AND…

  8. Russian Political, Economic, and Security Issues and U.S. Interests

    Science.gov (United States)

    2014-03-05

    Council on Fitness, Sports and Nutrition ” (she later waas unable to attend); and Brian Boitano, Olympic gold medalist in figure skating.124 William Burns...defense.”233 Another Russian official later referred to the changed U.S. policy as a “ cosmetic adjustment.”234 Andonov also rebuffed the proposal to

  9. Studies on use of reflector material and its position within FBR core for reducing U{sup 232} content of U produced in ThO{sub 2} radial blankets

    Energy Technology Data Exchange (ETDEWEB)

    Sen, Sujoy, E-mail: sujoy@igcar.gov.in [Core Design Group, IGCAR, Kalpakkam (India); Prasad, Rajeev Ranjan; Bagchi, Subhrojit [Core Design Group, IGCAR, Kalpakkam (India); Mohanakrishnan, P. [MCNS, Manipal University, Manipal (India); Arul, A. John; Puthiyavinayagam, P. [Core Design Group, IGCAR, Kalpakkam (India)

    2015-11-15

    Highlights: • Nuclear data processing for multigroup neutron transport calculation. • Discrete ordinate and Monte Carlo neutron transport. • Breeding of Thorium in Fast Reactor. • Minimization of U{sup 232} in U{sup 233}. • Fuel burn up using Neutron Diffusion. - Abstract: Presence of U{sup 232} in U{sup 233} bred in thorium blanket of fast reactor is a major concern in fuel reprocessing. The former's daughter products being hard gamma emitter and the isotope itself having substantial half life, its presence beyond 10 ppm makes fuel recycle complicated and expensive. In this study possibility of decreasing U{sup 232} production in a typical FBR blanket by means of spectrum modification is examined. SS, depleted B{sub 4}C, SiC, Mo and W regions were introduced between core and radial blanket and evolution of isotopes were studied to arrive at an optimal configuration that satisfies requirements of breeding U{sup 233} and lowering U{sup 232}concentration. SS, B{sub 4}C, SiC, Mo and W are known to be high temperature material with appropriate stability in harsh fast reactor environment. Study has shown that introducing two SS reflector rows can achieve the required low value of U{sup 232}concentration without greatly compromising the U{sup 233}production.

  10. Being a Closely Spaced Second Child Is Not So Bad. Child-Spacing Effects on Intelligence, Personality, and Social Competence.

    Science.gov (United States)

    Nuttall, Ronald L.; Nuttall, Ena Vazquez

    This study focuses on the effects of family size and spacing on intellectual, social, and personality development of children. The sample consisted of 533 suburban, middle class, large family (five or more) and small two child family children. The children, 233 boys and 300 girls, were teenagers attending either junior or senior high school.…

  11. Mass, Mobility, and the Red Army’s Road to Operational Art, 1918-1936

    Science.gov (United States)

    1987-07-01

    34 associated with the Francophile approach to the teaching of applied tactics which N. N. Golovin championed, were removed thanks to the...germanii," in: Izbrannye proizvedeniia, II, pp. 233-239. 102. G. I. Isserson, Novye formy bor’by (Moscow: Gosvoenizdat, * . 1940 ). Isserson

  12. 10 CFR 150.17 - Submission to Commission of nuclear material status reports.

    Science.gov (United States)

    2010-01-01

    ..., special nuclear material in a quantity totaling one gram or more of contained uranium-235, uranium-233, or..., disposed of, or lost. This prescribed computer-readable report replaces the DOE/NRC Form 742 which has been... Material Balance Report. This prescribed computer-readable report replaces the DOE/NRC Form 742C which...

  13. 10 CFR 74.13 - Material status reports.

    Science.gov (United States)

    2010-01-01

    ... quantity totaling one gram or more of contained uranium-235, uranium-233, or plutonium shall complete and... computer-readable report replaces the DOE/NRC form 742 which has been previously submitted in paper form... prescribed computer-readable report replaces the DOE/NRC Form 742C which has been previously submitted...

  14.  Fashion Mediators and Distributed Agency

    DEFF Research Database (Denmark)

    Sommerlund, Julie

    , and Belief - A New Sociology of Knowledge. J. Law. London, Routledge and Keagan Paul: 196-233. Hennion, A. (1997). "Baroque and rock: Music, mediators and musical taste." Poetics 24: 414 - 435. Latour, B. (1993). We Have Never Been Modern. New York, Harvester-Wheatsheaf....

  15. State of the Market

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Foreign Trade In the first three months, the volume of China's foreign trade reached $371.3 billion, growing 25.8 percent compared with the same period of last year, according to statistics released by the General Administration of Customs (see graph 1). The trade surplus stood at $23.3 billion at the end of March.

  16. Download - The Rice Growth Monitoring for The Phenotypic Functional Analysis | LSDB Archive [Life Science Database Archive metadata

    Lifescience Database Archive (English)

    Full Text Available 2 The list of strains and growth conditions phenome_data.zip (1KB) Simple search and download 3 The list of growth image files image...raph.zip (36KB) - 5 The rice growth image files image files (directory) (233MB) - 6 Explanation of the proje

  17. Department of Defense Base Closure and Realignment Report

    Science.gov (United States)

    1993-03-01

    Fayetteville, Arkansas Fort Smith, Arkansas Pacific Grove, California Macon, Georgia Terre Haute, Indiana Hutchinson, Kansas Monroe, Louisiana New Bedford...the body of this report. 233 Table 1. - ASE CLOSURE AND R&EALIGNMENT RECAP Bumox lam 8mmm Rqm (4m5US& M~ 10 ~MOM ed pomm ") Cbmuk APE. L Phlk Naval Hmp

  18. Profiles of Motivated Self-Regulation in College Computer Science Courses: Differences in Major versus Required Non-Major Courses

    Science.gov (United States)

    Shell, Duane F.; Soh, Leen-Kiat

    2013-01-01

    The goal of the present study was to utilize a profiling approach to understand differences in motivation and strategic self-regulation among post-secondary STEM students in major versus required non-major computer science courses. Participants were 233 students from required introductory computer science courses (194 men; 35 women; 4 unknown) at…

  19. The Effect of Moral Intensity on Ethical Decision Making in Accounting

    Science.gov (United States)

    Yang, Hui-Ling; Wu, Wei-Pang

    2009-01-01

    The purpose of this study was to examine the dimensionality of a moral intensity construct in four ethical accounting scenarios and how the dimensions directly affect the specific processes of moral decision making of accounting students. A survey was conducted with 233 accounting students enrolled in the school of accounting in a university of…

  20. C. J. Ebhardi ja Balthasar von Campenhauseni projektid / Toivo Meikar

    Index Scriptorium Estoniae

    Meikar, Toivo, 1947-

    2005-01-01

    Lisatud: C. J. Ebhardi Eesti- ja Liivimaa metsa- ja jahiseaduse projekt (valmis hiljemalt aastaks 1770), lk. 199-222 ; Härra maanõuniku parun von Campenhauseni ettepanekud kõikide metsade nõuetekohaseks korralduseks (4. juuli 1778), lk. 223-233