WorldWideScience

Sample records for berkelium 240

  1. New berkelium isotope: 242Bk

    International Nuclear Information System (INIS)

    A new isotope of berkelium, 242Bk, was produced with a cross section of approx. 10 μb in reactions of boron on uranium and nitrogen on thorium. It decays by electron capture with a half-life of 7 +- 1.3 minutes. The branching ratio for this isotope for alpha decay is less than 1% and that for spontaneous fission is less than 0.03%. 2 figures, 2 tables

  2. Characterization of berkelium(III) dipicolinate and borate compounds in solution and the solid state.

    Science.gov (United States)

    Silver, Mark A; Cary, Samantha K; Johnson, Jason A; Baumbach, Ryan E; Arico, Alexandra A; Luckey, Morgan; Urban, Matthew; Wang, Jamie C; Polinski, Matthew J; Chemey, Alexander; Liu, Guokui; Chen, Kuan-Wen; Van Cleve, Shelley M; Marsh, Matthew L; Eaton, Teresa M; van de Burgt, Lambertus J; Gray, Ashley L; Hobart, David E; Hanson, Kenneth; Maron, Laurent; Gendron, Frédéric; Autschbach, Jochen; Speldrich, Manfred; Kögerler, Paul; Yang, Ping; Braley, Jenifer; Albrecht-Schmitt, Thomas E

    2016-08-26

    Berkelium is positioned at a crucial location in the actinide series between the inherently stable half-filled 5f(7) configuration of curium and the abrupt transition in chemical behavior created by the onset of a metastable divalent state that starts at californium. However, the mere 320-day half-life of berkelium's only available isotope, (249)Bk, has hindered in-depth studies of the element's coordination chemistry. Herein, we report the synthesis and detailed solid-state and solution-phase characterization of a berkelium coordination complex, Bk(III)tris(dipicolinate), as well as a chemically distinct Bk(III) borate material for comparison. We demonstrate that berkelium's complexation is analogous to that of californium. However, from a range of spectroscopic techniques and quantum mechanical calculations, it is clear that spin-orbit coupling contributes significantly to berkelium's multiconfigurational ground state. PMID:27563098

  3. HCA 240 uop / uophelp

    OpenAIRE

    uophelp

    2015-01-01

    HCA 240 Assignment: Blood Disorders HCA 240 Exercise: Name That Pathogen HCA 240 CheckPoint: Nervous System Diseases HCA 240 CheckPoint: Nutrition and the Food Pyramid HCA 240 CheckPoint 2: Radio Ad HCA 240 WEEK 1 Discussion Question 1 HCA 240 WEEK 1 Discussion Question 2 HCA 240 WEEK 3 Discussion Question 1 HCA 240 WEEK 3 Discussion Question 2 HCA 240 WEEK 5 Discussion Question 1 HCA 240 WEEK 5 Discussion Question 2 HCA 240 WEEK 7 Discussion Questi...

  4. PSY 240 Course Tutorial / Snaptutorial

    OpenAIRE

    Aster

    2015-01-01

    PSY 240 Week 1 CheckPoint The Nature-Nurture Issue PSY 240 Week 1 DQ 1 and DQ 2 PSY 240 Week 2 CheckPoint The Nervous System PSY 240 Week 2 Assignment The Brain PSY 240 Week 3 CheckPoint Brain Studies PSY 240 Week 3 DQ 1 and DQ 2 PSY 240 Week 4 CheckPoint Eating What, When, and How Much PSY 240 Week 4 CheckPoint Set and Settling Points PSY 240 Week 4 Assignment To Eat or Not to Eat PSY 240 Week 5 CheckPoint Sexual Orientation and Identity PSY 240 Week 5...

  5. FIS 240 UOP course tutorial/tutorialoutlet

    OpenAIRE

    NARESH 1

    2015-01-01

    For more course tutorials visit www.tutorialoutlet.com       FIS 240 Week 1 CheckPoint: Is Time on My Side (UOP) FIS 240 Week 1 DQs (UOP) FIS 240 Week 2 CheckPoint: Risk Assessment Matrix (UOP) FIS 240 Week 2 Exercise: Risk and Reward: First 10% (UOP) FIS 240 Week 2 Assignment: What’s In It for Me? (UOP) FIS 240 Week 3 DQs (UOP) FIS 240 Week 3 CheckPoint: Primary and Secondary…Not Just Schools (UOP) FIS 240 Week 4 CheckPoint...

  6. 40 CFR 240.203 - General design.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false General design. 240.203 Section 240.203 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR... design....

  7. 16 CFR 240.14 - Meeting competition.

    Science.gov (United States)

    2010-01-01

    ... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Meeting competition. 240.14 Section 240.14 Commercial Practices FEDERAL TRADE COMMISSION GUIDES AND TRADE PRACTICE RULES GUIDES FOR ADVERTISING ALLOWANCES AND OTHER MERCHANDISING PAYMENTS AND SERVICES § 240.14 Meeting competition. A seller charged...

  8. 46 CFR 126.240 - Posting.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Posting. 126.240 Section 126.240 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) OFFSHORE SUPPLY VESSELS INSPECTION AND CERTIFICATION Certificate of Inspection § 126.240 Posting. The Certificate of Inspection must be framed under glass or...

  9. 8 CFR 240.63 - Application process.

    Science.gov (United States)

    2010-01-01

    ... 8 Aliens and Nationality 1 2010-01-01 2010-01-01 false Application process. 240.63 Section 240.63 Aliens and Nationality DEPARTMENT OF HOMELAND SECURITY IMMIGRATION REGULATIONS PROCEEDINGS TO DETERMINE... Cancellation of Removal Under Section 203 of Pub. L. 105-100 § 240.63 Application process. (a) Form and...

  10. 21 CFR 573.240 - Calcium periodate.

    Science.gov (United States)

    2010-04-01

    ... with calcium hydroxide or calcium oxide to form a substance consisting of not less than 60 percent by... 21 Food and Drugs 6 2010-04-01 2010-04-01 false Calcium periodate. 573.240 Section 573.240 Food... Additive Listing § 573.240 Calcium periodate. The food additive calcium periodate may be safely used...

  11. 21 CFR 173.240 - Isopropyl alcohol.

    Science.gov (United States)

    2010-04-01

    ... 21 Food and Drugs 3 2010-04-01 2009-04-01 true Isopropyl alcohol. 173.240 Section 173.240 Food and..., Lubricants, Release Agents and Related Substances § 173.240 Isopropyl alcohol. Isopropyl alcohol may be... label of the hops extract specifies the presence of the isopropyl alcohol and provides for the use...

  12. 40 CFR 240.207 - Aesthetics.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Aesthetics. 240.207 Section 240.207 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.207 Aesthetics....

  13. 40 CFR 240.209 - Safety.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Safety. 240.209 Section 240.209 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.209 Safety....

  14. 40 CFR 240.203-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.203-1 Section 240.203-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.203-1...

  15. 40 CFR 240.206-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.206-1 Section 240.206-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.206-1...

  16. 40 CFR 240.209-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.209-1 Section 240.209-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.209-1...

  17. 40 CFR 240.205-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.205-1 Section 240.205-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.205-1...

  18. 40 CFR 240.207-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.207-1 Section 240.207-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.207-1...

  19. 40 CFR 240.210-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.210-1 Section 240.210... THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.210-1 Requirement... the design requirements. An operations manual describing the various tasks to be performed,...

  20. 40 CFR 240.200-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.200-1 Section 240.200-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.200-1...

  1. 40 CFR 240.202-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.202-1 Section 240.202-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.202-1...

  2. 40 CFR 240.201-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.201-1 Section 240.201-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.201-1...

  3. 40 CFR 240.204-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.204-1 Section 240.204-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.204-1...

  4. 40 CFR 240.208-1 - Requirement.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Requirement. 240.208-1 Section 240.208-1 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.208-1...

  5. 40 CFR 240.208 - Residue.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Residue. 240.208 Section 240.208 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.208 Residue....

  6. 40 CFR 240.206 - Vectors.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Vectors. 240.206 Section 240.206 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.206 Vectors....

  7. 12 CFR 19.240 - Inflation adjustments.

    Science.gov (United States)

    2010-01-01

    ... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Inflation adjustments. 19.240 Section 19.240... PROCEDURE Civil Money Penalty Inflation Adjustments § 19.240 Inflation adjustments. (a) The maximum amount... Civil Penalties Inflation Adjustment Act of 1990 (28 U.S.C. 2461 note) as follows: ER10NO08.001 (b)...

  8. 40 CFR 240.205 - Air quality.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Air quality. 240.205 Section 240.205 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.205 Air quality....

  9. 40 CFR 240.204 - Water quality.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Water quality. 240.204 Section 240.204 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) SOLID WASTES GUIDELINES FOR THE THERMAL PROCESSING OF SOLID WASTES Requirements and Recommended Procedures § 240.204 Water quality....

  10. 40 CFR 35.240 - Purpose.

    Science.gov (United States)

    2010-07-01

    ... ASSISTANCE Environmental Program Grants Pesticide Applicator Certification and Training (section 23(a)(2)) § 35.240 Purpose. (a) Purpose of section. Sections 35.240 through 35.245 govern Pesticide Applicator Certification and Training Grants to States (as defined in section 2 of Federal Insecticide, Fungicide,...

  11. 20 CFR 410.240 - Evidence.

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false Evidence. 410.240 Section 410.240 Employees' Benefits SOCIAL SECURITY ADMINISTRATION FEDERAL COAL MINE HEALTH AND SAFETY ACT OF 1969, TITLE IV-BLACK... claims, including the reasonable and necessary cost of travel incident thereto. A medical...

  12. 7 CFR 57.240 - Detaining product.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 3 2010-01-01 2010-01-01 false Detaining product. 57.240 Section 57.240 Agriculture... AGRICULTURAL MARKETING ACT OF 1946 AND THE EGG PRODUCTS INSPECTION ACT (CONTINUED) INSPECTION OF EGGS (EGG PRODUCTS INSPECTION ACT) Regulations Governing the Inspection of Eggs Administrative Detention §...

  13. 9 CFR 590.240 - Detaining product.

    Science.gov (United States)

    2010-01-01

    ... 9 Animals and Animal Products 2 2010-01-01 2010-01-01 false Detaining product. 590.240 Section 590.240 Animals and Animal Products FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE EGG PRODUCTS INSPECTION INSPECTION OF EGGS AND EGG PRODUCTS (EGG PRODUCTS INSPECTION ACT)...

  14. 33 CFR 106.240 - Communications.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Communications. 106.240 Section... Requirements § 106.240 Communications. (a) The Facility Security Officer (FSO) must have a means to effectively notify OCS facility personnel of changes in security conditions at the OCS facility. (b)...

  15. Modeling and production of 240Am by deuteron-induced activation of a 240Pu target

    International Nuclear Information System (INIS)

    A novel reaction pathway for production of 240Am is reported. Models of reaction cross-sections in EMPIRE II suggest that deuteron-induced activation of a 240Pu target produces maximum yields of 240Am from 11.5 MeV incident deuterons. This activation had not been previously reported in the literature. A 240Pu target was activated under the modeled optimum conditions to produce 240Am. The modeled cross-section for the 240Pu(d, 2n)240Am reaction is on the order of 20–30 mbarn, but the experimentally estimated value is 5.6 ± 0.2 mbarn. We discuss reasons for the discrepancy as well as production of other Am isotopes that contaminate the final product

  16. Modeling and production of 240Am by deuteron-induced activation of a 240Pu target

    Energy Technology Data Exchange (ETDEWEB)

    Finn, Erin C.; McNamara, Bruce K.; Greenwood, Lawrence R.; Wittman, Richard S.; Soderquist, Chuck Z.; Woods, Vincent T.; VanDevender, Brent A.; Metz, Lori A.; Friese, Judah I.

    2015-02-01

    A novel reaction pathway for production of 240Am is reported. Models of reaction cross-sections in EMPIRE II suggests that deuteron-induced activation of a 240Pu target produces maximum yields of 240Am from 11.5 MeV incident deuterons. This activation had not been previously reported in the literature. A 240Pu target was activated under the modeled optimum conditions to produce 240Am. The modeled cross-section for the 240Pu(d, 2n)240Am reaction is on the order of 20-30 mbarn, but the experimentally estimated value is 5.3 ± 0.2 mbarn. We discuss reasons for the discrepancy as well as production of other Am isotopes that contaminate the final product.

  17. C(240)-----The most Chemically Inert Fullerene?

    Science.gov (United States)

    Haddon, R. C.; Scuseria, G. E.; Smalley, R. E.

    1997-01-01

    The reactivity of the fullerenes is primarily a function of their strain, as measured by the pyramidalization angle or curvature of the conjugated carbon atoms. The development of faceting in the structure of large icosahedral fullerenes leads to a minimum in the value of the maximum fullerene pyramidalization angle that lies in the vicinity of C-240. On this basis it is argued that C-240 will be the most chemically inert fullerene. This observation explains the production of [10,10] single-walled nanotubes because a C-240 hemisphere is required for the nucleation of such tubes.

  18. Dicty_cDB: AFM240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available AF (Link to library) AFM240 (Link to dictyBase) - - - - AFM240P (Link to Original site) AFM240F 638 AFM...240Z 291 AFM240P 909 - - Show AFM240 Library AF (Link to library) Clone ID AFM240 (Link ...to dictyBase) Atlas ID - NBRP ID - dictyBase ID - Link to Contig - Original site URL http://dictycdb.biol.tsukuba.ac.jp/CSM/AF/AFM...2-B/AFM240Q.Seq.d/ Representative seq. ID AFM240P (Link to ...Original site) Representative DNA sequence >AFM240 (AFM240Q) /CSM/AF/AFM2-B/AFM240Q.Seq.d/ TATTAAAAAAATGTACT

  19. Dicty_cDB: SLB240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available SL (Link to library) SLB240 (Link to dictyBase) - G01905 DDB0216342 Contig-U01115-1 | Contig-U16357-1 SLB...240P (Link to Original site) SLB240F 367 SLB240Z 159 SLB240P 526 - - Show SLB240 Libra...ry SL (Link to library) Clone ID SLB240 (Link to dictyBase) Atlas ID - NBRP ID G01905 dictyBase ID DDB021634...cdb.biol.tsukuba.ac.jp/CSM/SL/SLB2-B/SLB240Q.Seq.d/ Representative seq. ID SLB240P (Link to Original site) R...epresentative DNA sequence >SLB240 (SLB240Q) /CSM/SL/SLB2-B/SLB240Q.Seq.d/ CAACAATATGAAACCTGAAGATGCAAACGCTGC

  20. 40 CFR 52.240 - Compliance schedules.

    Science.gov (United States)

    2010-07-01

    ... Register citations affecting § 52.240, see the List of CFR Sections Affected, which appears in the Finding... of adoption Effective date Final compliance date Simpson Lee Paper Co. (Order No. 72-V-7) Shasta...

  1. Dicty_cDB: SSC240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available SS (Link to library) SSC240 (Link to dictyBase) - - - Contig-U16341-1 SSC240F (Link to Original site) SSC...240F 545 - - - - - - Show SSC240 Library SS (Link to library) Clone ID SSC240 (Link to...ycdb.biol.tsukuba.ac.jp/CSM/SS/SSC2-B/SSC240Q.Seq.d/ Representative seq. ID SSC24...0F (Link to Original site) Representative DNA sequence >SSC240 (SSC240Q) /CSM/SS/SSC2-B/SSC240Q.Seq.d/ ACCAA...c reticulum 4.0 %: extracellular, including cell wall 4.0 %: cytoskeletal 4.0 %: vacuolar 4.0 %: plasma memb

  2. 7 CFR 240.2 - Definitions.

    Science.gov (United States)

    2010-01-01

    ... unmarried mothers and their infants; group homes; halfway houses; orphanages; temporary shelters for abused children and for runaway children; long-term care facilities for chronically ill children; and juvenile... CHILD NUTRITION PROGRAMS CASH IN LIEU OF DONATED FOODS § 240.2 Definitions. For the purpose of this...

  3. TRAP230/ARC240 and TRAP240/ARC250 Mediator subunits are functionally conserved through evolution

    DEFF Research Database (Denmark)

    Samuelsen, Camilla O; Baraznenok, Vera; Khorosjutina, Olga;

    2003-01-01

    In Saccharomyces cerevisiae Mediator, a subgroup of proteins (Srb8, Srb9, Srb10, and Srb11) form a module, which is involved in negative regulation of transcription. Homologues of Srb10 and Srb11 are found in some mammalian Mediator preparations, whereas no clear homologues have been reported for...... Srb8 and Srb9. Here, we identify a TRAP240/ARC250 homologue in Schizosaccharomyces pombe and demonstrate that this protein, spTrap240, is stably associated with a larger form of Mediator, which also contains conserved homologues of Srb8, Srb10, and Srb11. We find that spTrap240 and Sch. pombe Srb8 (sp...

  4. 16 CFR 240.1 - Purpose of the Guides.

    Science.gov (United States)

    2010-01-01

    ... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Purpose of the Guides. 240.1 Section 240.1 Commercial Practices FEDERAL TRADE COMMISSION GUIDES AND TRADE PRACTICE RULES GUIDES FOR ADVERTISING ALLOWANCES AND OTHER MERCHANDISING PAYMENTS AND SERVICES § 240.1 Purpose of the Guides. The purpose of these Guides is to provide assistance...

  5. 20 CFR 405.240 - Sunset of this subpart.

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 2 2010-04-01 2010-04-01 false Sunset of this subpart. 405.240 Section 405.240 Employees' Benefits SOCIAL SECURITY ADMINISTRATION ADMINISTRATIVE REVIEW PROCESS FOR ADJUDICATING INITIAL DISABILITY CLAIMS Review of Initial Determinations by a Federal Reviewing Official § 405.240 Sunset of this subpart. (a) If you filed...

  6. 16 CFR 240.4 - Definition of customer.

    Science.gov (United States)

    2010-01-01

    ... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Definition of customer. 240.4 Section 240.4... ALLOWANCES AND OTHER MERCHANDISING PAYMENTS AND SERVICES § 240.4 Definition of customer. A customer is any... “customer” is any buyer of the seller's product for resale who purchases from or through a wholesaler...

  7. Modeling and production of {sup 240}Am by deuteron-induced activation of a {sup 240}Pu target

    Energy Technology Data Exchange (ETDEWEB)

    Finn, Erin C., E-mail: Erin.Finn@pnnl.gov; McNamara, Bruce, E-mail: Bruce.McNamara@pnnl.gov; Greenwood, Larry, E-mail: Larry.Greenwood@pnnl.gov; Wittman, Richard, E-mail: Richard.Wittman@pnnl.gov; Soderquist, Charles, E-mail: Chuck.Soderquist@pnnl.gov; Woods, Vincent, E-mail: Vincent.Woods@pnnl.gov; VanDevender, Brent, E-mail: Brent.Vandevender@pnnl.gov; Metz, Lori, E-mail: Lori.Metz@pnnl.gov; Friese, Judah, E-mail: Judah.Friese@pnnl.gov

    2015-04-15

    A novel reaction pathway for production of {sup 240}Am is reported. Models of reaction cross-sections in EMPIRE II suggest that deuteron-induced activation of a {sup 240}Pu target produces maximum yields of {sup 240}Am from 11.5 MeV incident deuterons. This activation had not been previously reported in the literature. A {sup 240}Pu target was activated under the modeled optimum conditions to produce {sup 240}Am. The modeled cross-section for the {sup 240}Pu(d, 2n){sup 240}Am reaction is on the order of 20–30 mbarn, but the experimentally estimated value is 5.6 ± 0.2 mbarn. We discuss reasons for the discrepancy as well as production of other Am isotopes that contaminate the final product.

  8. 16 CFR 240.12 - Checking customer's use of payments.

    Science.gov (United States)

    2010-01-01

    ... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Checking customer's use of payments. 240.12... ADVERTISING ALLOWANCES AND OTHER MERCHANDISING PAYMENTS AND SERVICES § 240.12 Checking customer's use of... are furnished and that the seller is not overpaying for them. The customer should expend the...

  9. 49 CFR 240.125 - Criteria for testing knowledge.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 4 2010-10-01 2010-10-01 false Criteria for testing knowledge. 240.125 Section... Elements of the Certification Process § 240.125 Criteria for testing knowledge. (a) Each railroad's program... locomotive service to determine that the person has sufficient knowledge of the railroad's rules...

  10. 40 CFR 240.201-2 - Recommended procedures: Design.

    Science.gov (United States)

    2010-07-01

    ... carcasses, automobile bodies, dewatered sludges from water treatment plants, and industrial process wastes. ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Recommended procedures: Design. 240... § 240.201-2 Recommended procedures: Design. (a) Provision for storing, handling, and removing...

  11. 17 CFR 240.14a-8 - Shareholder proposals.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Shareholder proposals. 240.14a... Exchange Act of 1934 Regulation 14a: Solicitation of Proxies § 240.14a-8 Shareholder proposals. This section addresses when a company must include a shareholder's proposal in its proxy statement and...

  12. 46 CFR 16.240 - Serious marine incident testing requirements.

    Science.gov (United States)

    2010-10-01

    ... chemically tested for evidence of dangerous drugs and alcohol in accordance with the requirements of 46 CFR 4... 46 Shipping 1 2010-10-01 2010-10-01 false Serious marine incident testing requirements. 16.240... CHEMICAL TESTING Required Chemical Testing § 16.240 Serious marine incident testing requirements....

  13. 33 CFR 158.240 - Ship repair yards.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Ship repair yards. 158.240... Facilities: Oily Mixtures § 158.240 Ship repair yards. The reception facility that services oceangoing ships using a ship repair yard must have a capacity for receiving— (a) An amount of ballast from bunker...

  14. 50 CFR 665.240 - Hawaii crustacean fisheries. [Reserved

    Science.gov (United States)

    2010-10-01

    ... 50 Wildlife and Fisheries 9 2010-10-01 2010-10-01 false Hawaii crustacean fisheries. 665.240 Section 665.240 Wildlife and Fisheries FISHERY CONSERVATION AND MANAGEMENT, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE (CONTINUED) FISHERIES IN THE WESTERN PACIFIC...

  15. 31 CFR 240.17 - Powers of attorney.

    Science.gov (United States)

    2010-07-01

    ... in 26 CFR 601.506(c); and (3) Payments for goods and services. (c) Special powers of attorney. Checks... 31 Money and Finance: Treasury 2 2010-07-01 2010-07-01 false Powers of attorney. 240.17 Section... ON THE UNITED STATES TREASURY Indorsement of Checks § 240.17 Powers of attorney. (a) Specific...

  16. 42 CFR 455.240 - Conflict of interest resolution.

    Science.gov (United States)

    2010-10-01

    ... though the conflict of interest exists and a request for waiver is approved in accordance with 48 CFR 9... 42 Public Health 4 2010-10-01 2010-10-01 false Conflict of interest resolution. 455.240 Section... § 455.240 Conflict of interest resolution. (a) Review Board: CMS may establish a Conflicts of...

  17. 46 CFR 172.240 - Permeability of spaces.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 7 2010-10-01 2010-10-01 false Permeability of spaces. 172.240 Section 172.240 Shipping... Permeability of spaces. When doing the calculations required in § 172.225, (a) The permeability of a floodable... space permeability of 85% unless the use of an assumed permeability of less than 85% is justified...

  18. 17 CFR 240.17Ad-3 - Limitations on expansion.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Limitations on expansion. 240.17Ad-3 Section 240.17Ad-3 Commodity and Securities Exchanges SECURITIES AND EXCHANGE COMMISSION... expansion. (a) Any registered transfer agent which is required to file any notice pursuant to §...

  19. D2-40/podoplanin expression in the human placenta.

    Science.gov (United States)

    Wang, Y; Sun, J; Gu, Y; Zhao, S; Groome, L J; Alexander, J S

    2011-01-01

    Placental tissue expresses many lymphatic markers. The current study was undertaken to examine if D2-40/podoplanin, a lymphatic endothelial marker, was expressed in the human placenta, and how it is altered developmentally and pathologically. We examined D2-40/podoplanin and VEGFR-3 expressions in placentas from normotensive pregnancies at different gestational ages and in placentas from women with clinically defined preeclampsia. D2-40 expression in systemic lymphatic vessel endothelium served as a positive control. Protein expression for D2-40, VEGFR-3, and β-actin was determined by Western blot in placentas from normotensive (n = 6) and preeclamptic (n = 5) pregnancies. Our results show that D2-40/podoplanin was strongly expressed in the placenta, mainly as a network plexus pattern in the villous stroma throughout gestation. CD31 was limited to villous core fetal vessel endothelium and VEGFR-3 was found in both villous core fetal vessel endothelium and trophoblasts. D2-40/podoplanin expression was significantly decreased, and VEGFR-3 significantly increased in preeclamptic placental tissues compared to normotensive placental controls. Placental villous stroma is a reticular-like structure, and the localization of D2-40 to the stroma suggests that a lymphatic-like conductive network may exist in the human placenta. D2-40/podoplanin is an O-linked sialoglycoprotein. Although little is known regarding biological functions of sialylated glycoproteins within the placenta, placental D2-40/podoplanin may support fetal vessel angiogenesis during placenta development and reduced D2-40/podoplanin expression in preeclamptic placenta may contribute to altered interstitial fluid homeostasis and impaired angiogenesis in this pregnancy disorder.

  20. A double-blind, prospective, randomized, multicenter group comparison study of iopromide 240 vs iohexol 240 in myelography

    International Nuclear Information System (INIS)

    The aim of this study was to evaluate the safety and efficacy of iopromide 240 mgI/ml in comparison with iohexol 240 mgI/ml in myelography. A total of 421 patients in seven centers and four countries received an average of 11.9 ml of either iopromide 240 (278 patients) or iohexol 240 (143 patients) for X-ray and/or CT myelography in a randomized (2:1), prospective, double-blind study. All patients were followed up 3-4 h after the procedure, and 327 patients remained hospitalized for 24 h. In 82 patients an EEG was recorded prior to as well as 3-4 h and 24 h after myelography. Physical examinations, including measurement of vital signs, were performed in all patients at these time points. The results were subject to statistical analysis with the primary variable being the incidence of adverse events. Both contrast media (CM) were equally effective in terms of opacification. The rating for opacity was ''good'' or ''excellent'' in 88 % for both CM. Four patients (iopromide group: n = 3; iohexol group: n = 1) had transient EEG changes but did not show clinical symptomatology. The overall rate of patients experiencing any adverse event (AE) was 16.9 % for iopromide 240 and 14.0 % for iohexol 240. Equivalence testing was inconclusive; however, the results indicated equivalence. The rate for AEs considered as study-drug related was slightly lower with iopromide 240 than with iohexol 240 (7.2 vs 7.7 %, respectively). Neither unknown nor unexpected AEs known for myelographic X-ray CM nor serious adverse events were observed. Iopromide 240 and iohexol 240 are equally safe and effective and can be recommended for myelography. (orig.)

  1. 7 CFR 205.240-205.269 - [Reserved

    Science.gov (United States)

    2010-01-01

    ... Regulations of the Department of Agriculture (Continued) AGRICULTURAL MARKETING SERVICE (Standards, Inspections, Marketing Practices), DEPARTMENT OF AGRICULTURE (CONTINUED) ORGANIC FOODS PRODUCTION ACT PROVISIONS NATIONAL ORGANIC PROGRAM Organic Production and Handling Requirements §§ 205.240-205.269...

  2. 17 CFR 240.10A-2 - Auditor independence.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Auditor independence. 240.10A... Exchange Act of 1934 Reports Under Section 10a § 240.10A-2 Auditor independence. It shall be unlawful for an auditor not to be independent under § 210.2-01(c)(2)(iii)(B), (c)(4), (c)(6), (c)(7), and §...

  3. 17 CFR 240.14a-2 - Solicitations to which § 240.14a-3 to § 240.14a-15 apply.

    Science.gov (United States)

    2010-04-01

    ...) and specified in the Notice of Exempt Preliminary Roll-up Communication (§ 240.14a-104). If the communication is oral, this disclosure may be provided to the security holder orally. Whether the communication... another's behalf, the power to act as proxy for a shareholder and does not furnish or otherwise...

  4. Pu-239 and Pu-240 inventories and Pu-240/ Pu-239 atom ratios in the water column off Sanriku, Japan.

    Science.gov (United States)

    Yamada, Masatoshi; Zheng, Jian; Aono, Tatsuo

    2013-04-01

    A magnitude 9.0 earthquake and subsequent tsunami occurred in the Pacific Ocean off northern Honshu, Japan, on 11 March 2011 which caused severe damage to the Fukushima Dai-ichi Nuclear Power Plant. This accident has resulted in a substantial release of radioactive materials to the atmosphere and ocean, and has caused extensive contamination of the environment. However, no information is available on the amounts of radionuclides such as Pu isotopes released into the ocean at this time. Investigating the background baseline concentration and atom ratio of Pu isotopes in seawater is important for assessment of the possible contamination in the marine environment. Pu-239 (half-life: 24,100 years), Pu-240 (half-life: 6,560 years) and Pu-241 (half-life: 14.325 years) mainly have been released into the environment as the result of atmospheric nuclear weapons testing. The atom ratio of Pu-240/Pu-239 is a powerful fingerprint to identify the sources of Pu in the ocean. The Pu-239 and Pu-240 inventories and Pu-240/Pu-239 atom ratios in seawater samples collected in the western North Pacific off Sanriku before the accident at Fukushima Dai-ichi Nuclear Power Plant will provide useful background baseline data for understanding the process controlling Pu transport and for distinguishing additional Pu sources. Seawater samples were collected with acoustically triggered quadruple PVC sampling bottles during the KH-98-3 cruise of the R/V Hakuho-Maru. The Pu-240/Pu-239 atom ratios were measured with a double-focusing SF-ICP-MS, which was equipped with a guard electrode to eliminate secondary discharge in the plasma and to enhance overall sensitivity. The Pu-239 and Pu-240 concentrations were 2.07 and 1.67 mBq/m3 in the surface water, respectively, and increased with depth; a subsurface maximum was identified at 750 m depth, and the concentrations decreased with depth, then increased at the bottom layer. The total Pu-239+240 inventory in the entire water column (depth interval 0

  5. 17 CFR 240.15c3-1g - Conditions for ultimate holding companies of certain brokers or dealers (Appendix G to 17 CFR 240...

    Science.gov (United States)

    2010-04-01

    ... transactions, maximum potential exposure must be calculated using a time horizon of not less than five days; (F... holding companies of certain brokers or dealers (Appendix G to 17 CFR 240.15c3-1). 240.15c3-1g Section 240... companies of certain brokers or dealers (Appendix G to 17 CFR 240.15c3-1). As a condition for a broker...

  6. 17 CFR 240.15c3-1e - Deductions for market and credit risk for certain brokers or dealers (Appendix E to 17 CFR 240...

    Science.gov (United States)

    2010-04-01

    ... credit risk for certain brokers or dealers (Appendix E to 17 CFR 240.15c3-1). 240.15c3-1e Section 240... risk for certain brokers or dealers (Appendix E to 17 CFR 240.15c3-1). Preliminary Note: Appendices E....15c3-1(c)(2)(vi) and (c)(2)(vii) and to compute deductions for credit risk pursuant to this Appendix...

  7. Fabrication of 12% {sup 240}Pu calorimetry standards

    Energy Technology Data Exchange (ETDEWEB)

    Long, S.M.; Hildner, S.; Gutierrez, D.; Mills, C.; Garcia, W.; Gurule, C.

    1995-08-01

    Throughout the DOE complex, laboratories are performing calorimetric assays on items containing high burnup plutonium. These materials contain higher isotopic range and higher wattages than materials previously encountered in vault holdings. Currently, measurement control standards have been limited to utilizing 6% {sup 240}Pu standards. The lower isotopic and wattage value standards do not complement the measurement of the higher burnup material. Participants of the Calorimetry Exchange (CALEX) Program have identified the need for new calorimetric assay standards with a higher wattage and isotopic range. This paper describes the fabrication and verification measurements of the new CALEX standard containing 12% {sup 240}Pu oxide with a wattage of about 6 to 8 watts.

  8. 17 CFR 240.14a-1 - Definitions.

    Science.gov (United States)

    2010-04-01

    ... person, means: (1) Any corporation or organization (other than the registrant or a majority owned... securities positions of beneficial owners has been given pursuant to § 240.14a-13(b)(3), securities of the... broker, dealer, voting trustee, bank, association or other entity that exercises fiduciary powers...

  9. 17 CFR 240.14a-17 - Electronic shareholder forums.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Electronic shareholder forums... Securities Exchange Act of 1934 Regulation 14a: Solicitation of Proxies § 240.14a-17 Electronic shareholder forums. (a) A shareholder, registrant, or third party acting on behalf of a shareholder or registrant...

  10. 31 CFR 240.9 - Reclamation procedures; reclamation protests.

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 2 2010-07-01 2010-07-01 false Reclamation procedures; reclamation... OF CHECKS DRAWN ON THE UNITED STATES TREASURY General Provisions § 240.9 Reclamation procedures; reclamation protests. (a) Reclamation procedures. (1) Treasury will send a “REQUEST FOR REFUND...

  11. 46 CFR 179.240 - Foam flotation material.

    Science.gov (United States)

    2010-10-01

    ..., see 46 CFR 175.600). The fire resistance test is not required. (2) Foam may be installed only in void spaces that are free of ignition sources, unless the foam complies with the requirements of 33 CFR 183... 46 Shipping 7 2010-10-01 2010-10-01 false Foam flotation material. 179.240 Section...

  12. Evaluation of the neutron cross sections for Pu-240

    International Nuclear Information System (INIS)

    The present evaluation is proposed to supersede the ENDF/B-V, Revision 2 file for 240Pu. In this work, resonance parameters, cross sections, energy distributions, and angular distributions have been modified. These changes are outlined in detail and appropriate references included. 37 refs., 21 figs., 2 tabs

  13. Application of slingshot model to the giant radio galaxy DA240 (Brief : DA 240 in slingshot model)

    CERN Document Server

    Muthumeenal, S

    2010-01-01

    We attempt a slingshot model interpretation of the unusual association of some 1&1/3 dozen nonstellar galaxian objects around the parent optical galaxy of the giant radio galaxy DA 240 (= 0748.6+55.8 (J2000)). Similar interpretation may be possible for another large radio galaxy 3C 31 (= NGC 383 = 0104.6+32.1 (1950.0)).

  14. Neutron angular distribution in plutonium-240 spontaneous fission

    Science.gov (United States)

    Marcath, Matthew J.; Shin, Tony H.; Clarke, Shaun D.; Peerani, Paolo; Pozzi, Sara A.

    2016-09-01

    Nuclear safeguards applications require accurate fission models that exhibit prompt neutron anisotropy. In the laboratory reference frame, an anisotropic neutron angular distribution is observed because prompt fission neutrons carry momentum from fully accelerated fission fragments. A liquid organic scintillation detector array was used with pulse shape discrimination techniques to produce neutron-neutron cross-correlation time distributions and angular distributions from spontaneous fission in a 252Cf, a 0.84 g 240Pueff metal, and a 1.63 g 240Pueff metal sample. The effect of cross-talk, estimated with MCNPX-PoliMi simulations, is removed from neutron-neutron coincidences as a function of the angle between detector pairs. Fewer coincidences were observed at detector angles near 90°, relative to higher and lower detector angles. As light output threshold increases, the observed anisotropy increases due to spectral effects arising from fission fragment momentum transfer to emitted neutrons. Stronger anisotropy was observed in Cf-252 spontaneous fission prompt neutrons than in Pu-240 neutrons.

  15. 20 CFR 1010.240 - Will the Department be monitoring for compliance with priority of service?

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false Will the Department be monitoring for compliance with priority of service? 1010.240 Section 1010.240 Employees' Benefits OFFICE OF THE ASSISTANT... SERVICE FOR COVERED PERSONS Understanding Priority of Service § 1010.240 Will the Department be...

  16. 17 CFR 240.17Ad-13 - Annual study and evaluation of internal accounting control.

    Science.gov (United States)

    2010-04-01

    ... internal accounting control. 240.17Ad-13 Section 240.17Ad-13 Commodity and Securities Exchanges SECURITIES... Company Rules § 240.17Ad-13 Annual study and evaluation of internal accounting control. (a) Accountant's... accountant concerning the transfer agent's system of internal accounting control and related procedures...

  17. 17 CFR 240.12f-3 - Termination or suspension of unlisted trading privileges.

    Science.gov (United States)

    2010-04-01

    ... unlisted trading privileges. 240.12f-3 Section 240.12f-3 Commodity and Securities Exchanges SECURITIES AND... Regulations Under the Securities Exchange Act of 1934 Unlisted Trading § 240.12f-3 Termination or suspension of unlisted trading privileges. (a) The issuer of any security for which unlisted trading...

  18. 17 CFR 240.12f-1 - Applications for permission to reinstate unlisted trading privileges.

    Science.gov (United States)

    2010-04-01

    ... reinstate unlisted trading privileges. 240.12f-1 Section 240.12f-1 Commodity and Securities Exchanges... Rules and Regulations Under the Securities Exchange Act of 1934 Unlisted Trading § 240.12f-1 Applications for permission to reinstate unlisted trading privileges. (a) An application to reinstate...

  19. 17 CFR 240.14c-3 - Annual report to be furnished security holders.

    Science.gov (United States)

    2010-04-01

    ... security holders. 240.14c-3 Section 240.14c-3 Commodity and Securities Exchanges SECURITIES AND EXCHANGE... Section 14(c) § 240.14c-3 Annual report to be furnished security holders. (a) If the information statement... such meeting, of security holders at which directors of the registrant, other than an...

  20. 17 CFR 240.14d-4 - Dissemination of tender offers to security holders.

    Science.gov (United States)

    2010-04-01

    ... to security holders. 240.14d-4 Section 240.14d-4 Commodity and Securities Exchanges SECURITIES AND... offers to security holders. As soon as practicable on the date of commencement of a tender offer, the bidder must publish, send or give the disclosure required by § 240.14d-6 to security holders of the...

  1. 17 CFR 240.14a-3 - Information to be furnished to security holders.

    Science.gov (United States)

    2010-04-01

    ... Register citations affecting § 240.14a-3, see the List of CFR Sections Affected, which appears in the... security holders. 240.14a-3 Section 240.14a-3 Commodity and Securities Exchanges SECURITIES AND EXCHANGE... Information to be furnished to security holders. (a) No solicitation subject to this regulation shall be...

  2. 17 CFR 240.17Ad-21T - Operational capability in a Year 2000 environment.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Operational capability in a Year 2000 environment. 240.17Ad-21T Section 240.17Ad-21T Commodity and Securities Exchanges SECURITIES... Company Rules § 240.17Ad-21T Operational capability in a Year 2000 environment. (a) This section...

  3. 49 CFR 240.211 - Procedures for making the determination on performance skills.

    Science.gov (United States)

    2010-10-01

    ... performance skills. 240.211 Section 240.211 Transportation Other Regulations Relating to Transportation... determination on performance skills. (a) Each railroad, prior to initially certifying or recertifying any person... demonstrated, in accordance with the requirements of § 240.127 of this part, the skills to safely...

  4. 17 CFR 240.16a-9 - Stock splits, stock dividends, and pro rata rights.

    Science.gov (United States)

    2010-04-01

    ... acquisition of rights, such as shareholder or pre-emptive rights, pursuant to a pro rata grant to all holders..., and pro rata rights. 240.16a-9 Section 240.16a-9 Commodity and Securities Exchanges SECURITIES AND... Government Securities Dealers § 240.16a-9 Stock splits, stock dividends, and pro rata rights. The...

  5. 17 CFR 240.17g-4 - Prevention of misuse of material nonpublic information.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Prevention of misuse of material nonpublic information. 240.17g-4 Section 240.17g-4 Commodity and Securities Exchanges SECURITIES... Organizations § 240.17g-4 Prevention of misuse of material nonpublic information. (a) The written policies...

  6. 17 CFR 240.13a-20 - Plain English presentation of specified information.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Plain English presentation of specified information. 240.13a-20 Section 240.13a-20 Commodity and Securities Exchanges SECURITIES AND... Regulations Under the Securities Exchange Act of 1934 Other Reports § 240.13a-20 Plain English presentation...

  7. 17 CFR 240.15d-20 - Plain English presentation of specified information.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Plain English presentation of specified information. 240.15d-20 Section 240.15d-20 Commodity and Securities Exchanges SECURITIES AND... Regulations Under the Securities Exchange Act of 1934 Other Reports § 240.15d-20 Plain English presentation...

  8. 17 CFR 240.13b2-1 - Falsification of accounting records.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Falsification of accounting records. 240.13b2-1 Section 240.13b2-1 Commodity and Securities Exchanges SECURITIES AND EXCHANGE... Required Reports § 240.13b2-1 Falsification of accounting records. No person shall directly or...

  9. Vertical distributions of radionuclides ((239+240)Pu, (240)Pu/(239)Pu, and (137)Cs) in sediment cores of Lake Bosten in Northwestern China.

    Science.gov (United States)

    Liao, Haiqing; Bu, Wenting; Zheng, Jian; Wu, Fengchang; Yamada, Masatoshi

    2014-04-01

    Artificial radionuclides ((137)Cs, (239+240)Pu, (241)Pu, (241)Am) deposited in lacustrine sediments have been used for dating as well as radionuclide source identification. In the present work, we investigated the vertical distributions of (239+240)Pu and (137)Cs activities, (240)Pu/(239)Pu atom ratios, and (239+240)Pu/(137)Cs activity ratios in sediment cores collected from Lake Bosten, which is the lake closest to the Lop Nor Chinese Nuclear Weapon Test site in northwestern China. Uniformly high concentrations of (239+240)Pu and (137)Cs were found in the upper layers deposited since 1964 in the sediment cores, and these were controlled by the resuspension of soil containing radionuclides from the nearby land surface. As the Chinese nuclear tests varied remarkably in yield, the mixing of the tropospheric deposition from these tests and the stratospheric deposition of global fallout has led to a (240)Pu/(239)Pu atom ratio that is similar to that of global fallout and to a (239+240)Pu/(137)Cs activity ratio that is slightly higher than that of global fallout. However, a low (240)Pu/(239)Pu atom ratio of 0.080 and high (239+240)Pu/(137)Cs activity ratio of 0.087, significantly different from the global fallout values, were observed in one sediment core (07BS10-2), indicating the inhomogenous tropospheric deposition from the Chinese nuclear tests in Lake Bosten during 1967-1973. These results are important to understand the influence of the CNTs on the radionuclide contamination in Lake Bosten.

  10. 17 CFR 240.12b-12 - Requirements as to paper, printing and language.

    Science.gov (United States)

    2010-04-01

    ..., if the filing is an HTML document, as defined in Regulation S-T Rule 11 (17 CFR 232.11). (e) Where a..., printing and language. 240.12b-12 Section 240.12b-12 Commodity and Securities Exchanges SECURITIES AND... paper, printing and language. (a) Statements and reports shall be filed on good quality, unglazed...

  11. 17 CFR 240.15c2-12 - Municipal securities disclosure.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Municipal securities disclosure. 240.15c2-12 Section 240.15c2-12 Commodity and Securities Exchanges SECURITIES AND EXCHANGE... omission of no more than the following information: The offering price(s), interest rate(s),...

  12. 17 CFR 240.12d2-1 - Suspension of trading.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Suspension of trading. 240... Securities Exchange Act of 1934 Suspension of Trading, Withdrawal, and Striking from Listing and Registration § 240.12d2-1 Suspension of trading. (a) A national securities exchange may suspend from trading...

  13. 8 CFR 240.69 - Reliance on information compiled by other sources.

    Science.gov (United States)

    2010-01-01

    ... 8 Aliens and Nationality 1 2010-01-01 2010-01-01 false Reliance on information compiled by other sources. 240.69 Section 240.69 Aliens and Nationality DEPARTMENT OF HOMELAND SECURITY IMMIGRATION... Reliance on information compiled by other sources. In determining whether an applicant is eligible...

  14. 17 CFR 240.14d-10 - Equal treatment of security holders.

    Science.gov (United States)

    2010-04-01

    ... holders. 240.14d-10 Section 240.14d-10 Commodity and Securities Exchanges SECURITIES AND EXCHANGE... holders. (a) No bidder shall make a tender offer unless: (1) The tender offer is open to all security holders of the class of securities subject to the tender offer; and (2) The consideration paid to...

  15. 17 CFR 240.14d-6 - Disclosure of tender offer information to security holders.

    Science.gov (United States)

    2010-04-01

    ... information to security holders. 240.14d-6 Section 240.14d-6 Commodity and Securities Exchanges SECURITIES AND... information to security holders. (a) Information required on date of commencement—(1) Long-form publication. If a tender offer is published, sent or given to security holders on the date of commencement...

  16. 9 CFR 2.40 - Attending veterinarian and adequate veterinary care (dealers and exhibitors).

    Science.gov (United States)

    2010-01-01

    ... on problems of animal health, behavior, and well-being is conveyed to the attending veterinarian; (4... 9 Animals and Animal Products 1 2010-01-01 2010-01-01 false Attending veterinarian and adequate veterinary care (dealers and exhibitors). 2.40 Section 2.40 Animals and Animal Products ANIMAL AND...

  17. 17 CFR 240.17a-10 - Report on revenue and expenses.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Report on revenue and expenses. 240.17a-10 Section 240.17a-10 Commodity and Securities Exchanges SECURITIES AND EXCHANGE COMMISSION....17a-10 Report on revenue and expenses. (a)(1) Every broker or dealer exempted from the...

  18. 17 CFR 240.14d-8 - Exemption from statutory pro rata requirements.

    Science.gov (United States)

    2010-04-01

    ... rata requirements. 240.14d-8 Section 240.14d-8 Commodity and Securities Exchanges SECURITIES AND... rata requirements. Notwithstanding the pro rata provisions of section 14(d)(6) of the Act, if any... taken up and paid for as nearly as may be pro rata, disregarding fractions, according to the number...

  19. 17 CFR 240.15c1-9 - Use of pro forma balance sheets.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Use of pro forma balance sheets. 240.15c1-9 Section 240.15c1-9 Commodity and Securities Exchanges SECURITIES AND EXCHANGE... pro forma balance sheets. The term manipulative, deceptive, or other fraudulent device or...

  20. 33 CFR 138.240 - Procedure for calculating limit of liability adjustments for inflation.

    Science.gov (United States)

    2010-07-01

    .... (d) 33 CFR Ch. I (7-1-10 Edition) Coast Guard, DHS ... of liability adjustments for inflation. 138.240 Section 138.240 Navigation and Navigable Waters COAST... calculating limit of liability adjustments for inflation. (a) Formula for calculating a cumulative...

  1. 17 CFR 240.0-11 - Filing fees for certain acquisitions, dispositions and similar transactions.

    Science.gov (United States)

    2010-04-01

    ... involving a vote upon a merger, consolidation or acquisition of a company, a fee of one-fiftieth of one..., consolidation, acquisition of a company, or proposed sale or other disposition of substantially all the assets... acquisitions, dispositions and similar transactions. 240.0-11 Section 240.0-11 Commodity and...

  2. 40 CFR 436.240 - Applicability; description of the diatomite subcategory.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 29 2010-07-01 2010-07-01 false Applicability; description of the diatomite subcategory. 436.240 Section 436.240 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) EFFLUENT GUIDELINES AND STANDARDS MINERAL MINING AND PROCESSING POINT SOURCE CATEGORY...

  3. 20 CFR 404.240 - Old-start method-general.

    Science.gov (United States)

    2010-04-01

    ....240 Employees' Benefits SOCIAL SECURITY ADMINISTRATION FEDERAL OLD-AGE, SURVIVORS AND DISABILITY INSURANCE (1950- ) Computing Primary Insurance Amounts Old-Start Method of Computing Primary Insurance Amounts § 404.240 Old-start method—general. If you had all or substantially all your social...

  4. 33 CFR 96.240 - What functional requirements must a safety management system meet?

    Science.gov (United States)

    2010-07-01

    ... requirements must a safety management system meet? The functional requirements of a safety management system... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false What functional requirements must a safety management system meet? 96.240 Section 96.240 Navigation and Navigable Waters COAST...

  5. 49 CFR 240.207 - Procedures for making the determination on vision and hearing acuity.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 4 2010-10-01 2010-10-01 false Procedures for making the determination on vision and hearing acuity. 240.207 Section 240.207 Transportation Other Regulations Relating to... making the determination on vision and hearing acuity. (a) Each railroad, prior to initially...

  6. 49 CFR 240.121 - Criteria for vision and hearing acuity data.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 4 2010-10-01 2010-10-01 false Criteria for vision and hearing acuity data. 240... ENGINEERS Component Elements of the Certification Process § 240.121 Criteria for vision and hearing acuity... paragraph (e) of this section, a person's vision and hearing shall meet or exceed the standards...

  7. Restaurant No. 1 seating capacity increases by 240

    CERN Multimedia

    Laëtitia Pedroso

    2010-01-01

    These days you need patience when looking for a seat in Restaurant No. 1 to eat your lunch. The opening of the new dining room, which will increase the restaurant’s seating capacity by 240, should alleviate the problem and improve service.   The new restaurant area. For the past several years the number of people using Restaurant No. 1 has grown steadily. Now, for a change, the restaurant itself is growing. Luz Lopez-Hernandez, leader of the project in the GS Department, explains: “Enlarging the restaurant has been on the GS Department's agenda for several years, but the project really got off the ground in 2009. Once it was approved and the design completed, construction itself only took seven months.” Seven months later, the restaurant extension is indeed on the verge of opening. One of the people who will be particularly happy is Joël Nallet, who manages the Novae restaurant: “I am thrilled, because until now, even if we managed to increase...

  8. Concentrations of sup(239,240)Pu and 241Am in drinking water and organic fertilizer

    International Nuclear Information System (INIS)

    As part of an investigation of the chemistry and aquatic distribution of fallout-derived sup(239,240)Pu and 241Am in the aquatic environment a study has been made of the concentration of these nuclides in the drinking water and organic fertilizer, distributed to the populace of the Chicago area. The results clearly indicate that the concentration of sup(239,240)Pu is always lower in the water which has been treated at the Chicago Central Water Filtration Plant than in the raw water before treatment. Raw water levels are consistent with normal levels of sup(239,240)PU found in Lake Michigan waters which are approx 6 orders of magnitude below the maximum permissible concentration standard for drinking water. An additional possible source of sup(239,240)Pu and 241Am to humans can be through the distribution of the organic fertilizer, 'Nu Earth', by the Metropolitan Sanitary District, free of charge, for the use in home gardens. 'Nu Earth' consists primarily of sediment from an Imhoff Process which has been air-dried and aged in large, open-air piles. Samples of this organic fertilizer were analysed for sup(239,240)Pu and 241Am. The results indicate that there is little evidence to indicate that sup(239,240)Pu in drinking water or sup(239,240)Pu and 241Am from organic sludge will be health hazards in the Chicago area under current conditions. (U.K.)

  9. Weldability examination of ASTM A 240 S41500 martensitic stainless steel by thermal cycles simulation testings

    OpenAIRE

    Alberto Velázquez-del Rosario; Armín Mariño-Pérez; Maritza Mariño-Cala

    2015-01-01

    The weldability assets of ASTM A 240 S41500 (ASTM A 240/A 240M) martensitic stainless steel are presented through the study of the effects of single and double thermal weld cycles on mechanical properties and microstructure of base metal (BM) and the artificial heat affected zone (HAZ) created by thermal weld simulations. For single cycles, separate peak temperatures of 1000 ºC/12 s and 1350 ºC/12 s (cooling times: 12 s in both cases) were evaluated, whilst two combinations of peak temperatur...

  10. 17 CFR 240.15g-2 - Penny stock disclosure document relating to the penny stock market.

    Science.gov (United States)

    2010-04-01

    ... required by paragraph (a) of this section for the period specified in 17 CFR 240.17a-4(b) of this chapter... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Penny stock disclosure document relating to the penny stock market. 240.15g-2 Section 240.15g-2 Commodity and Securities...

  11. 49 CFR 240.119 - Criteria for consideration of data on substance abuse disorders and alcohol/drug rules compliance.

    Science.gov (United States)

    2010-10-01

    ... abuse disorders and alcohol/drug rules compliance. 240.119 Section 240.119 Transportation Other... Process § 240.119 Criteria for consideration of data on substance abuse disorders and alcohol/drug rules.... (b) Fitness requirement. (1) A person who has an active substance abuse disorder shall not...

  12. 7 CFR 240.4 - Cash in lieu of donated foods for nonresidential child and adult care institutions.

    Science.gov (United States)

    2010-01-01

    ... and adult care institutions. 240.4 Section 240.4 Agriculture Regulations of the Department of... LIEU OF DONATED FOODS § 240.4 Cash in lieu of donated foods for nonresidential child and adult care... or adult care institutions participating in the Child and Adult Care Food Program. FNS shall pay...

  13. Measurement of the 240Am production cross section via proton irradiation of 242Pu

    International Nuclear Information System (INIS)

    A new nuclear reaction for the production of 240Am was experimentally investigated. Targets of 150-500 μg/cm2242Pu on 2 μm Ti were produced through molecular deposition. Five irradiations, in which 242Pu, natTi, and natNi targets were jointly activated with protons from the Lawrence Berkeley National Laboratory 88-Inch Cyclotron produced 240Am, 48V, and 57Ni, respectively. The radioactive decay of these nuclides was monitored using high-purity Ge gamma ray detectors in the weeks following irradiation. A maximum 242Pu(p, 3n)240Am nuclear reaction cross section was measured to be 45 ± 13 mb with 23 MeV protons. While this value is lower than theoretical predictions, it is high enough to be the most viable nuclear reaction for the large-scale production of 240Am. (orig.)

  14. Worldwide data on fluxes of 239,240Pu, 238Pu to the oceans

    International Nuclear Information System (INIS)

    According to measurements (GEOSECS) the world's oceans contain approximately 16 PBq 239,240Pu, of which one-fourth is in the Atlantic and three-fourths in the Pacific Ocean. The expected inventory (from nuclear weapons testing) in the world's oceans is 12 PBq 239,240Pu including local fallout at the test sites. In the Irish Sea a local contamination of 0.3 PBq 239,240Pu from the Sellafield reprocessing plant resides in the sediments. No other sources than fallout and reprocessing add significantly to the 239,240Pu inventories in the oceans. The discrepancy between measurements and expectations are assumed to be due to an underestimate of the rainfall and dry fallout (seaspray) and thus of the Pu-deposition over the oceans, but may also to some degree be due to inadequate sampling

  15. 17 CFR 240.11a-1 - Regulation of floor trading.

    Science.gov (United States)

    2010-04-01

    ..., particularly sections 11(a) and 23(a) thereof, and Rule 11a-1 (17 CFR 240.11a-1) under the Act, deeming it... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Regulation of floor trading... Securities Exchange Act of 1934 Adoption of Floor Trading Regulation (rule 11a-1) § 240.11a-1 Regulation...

  16. Plutonium isotopes 238Pu, 239+240Pu, 241Pu and 240Pu/239Pu atomic ratios in the southern Baltic Sea ecosystem

    Directory of Open Access Journals (Sweden)

    Dagmara I. Strumińska-Parulska

    2010-09-01

    Full Text Available The paper summarizes the results of plutonium findings in atmospheric fallout samples and marine samples from the southern Baltic Sea during our research in 1986-2007. The activities of 238Pu and 239+240Pu isotopes were measured with an alpha spectrometer. The activities of 241Pu were calculated indirectly by 241Am activity measurements 16-18 years after the Chernobyl accident. The 240Pu/239Pu atomic ratios were measured using accelerator mass spectrometry (AMS. The 241Pu activities indicate that the main impact of the Chernobyl accident was on the plutonium concentration in the components of the Baltic Sea ecosystem examined in this work. The highest 241Pu/239+240Pu activity ratio was found in sea water (140 ± 33. The AMS measurements of atmospheric fallout samples collected during 1986 showed a significant increase in the 240Pu/239Pu atomic ratio from 0.29 ± 0.04 in March 1986 to 0.47 ± 0.02 in April 1986.

  17. 240例耳聋患者常见耳聋基因筛查分析%Analysis of common deafness genes screening in 240 deaf patients

    Institute of Scientific and Technical Information of China (English)

    曲长红; 张宁; 曹东华; 郝冬梅

    2014-01-01

    目的 分析非综合征型耳聋患者常见耳聋基因突变情况,探讨遗传性耳聋基因芯片检测的临床意义.方法 2013年3-8月来自沈阳市和平区残联的非综合征型耳聋患者240例,患者或监护人签署知情同意后提取被检者外周静脉血基因组DNA,采用晶芯8遗传性耳聋基因检测试剂盒对常见的4个耳聋基因(GJB2、GJB3、SLC26A4以及线粒体12S rRNA)的9个突变位点进行检测.结果 240例受检者中,102例存在被检测基因突变,其中GJB2基因突变44例(18.33%,44/240),SLC26A4基因突变38例(15.83%,38/240),线粒体12S rRNA基因突变17例(7.08%,17/240),GJB3538C>T1例(0.39%,1/240).明确诊断为遗传性耳聋60例,提示遗传性耳聋42例,占全部耳聋患者的42.5%(102/240).结论 非综合征型耳聋患者耳聋基因携带率较高,对高危人群进行耳聋基因突变的筛查和遗传咨询是防止和控制遗传性耳聋、优生优育的重要步骤.

  18. Decreased D2-40 immunoreactivity in stored paraffin sections and methods for preserving it.

    Science.gov (United States)

    Sasaki, T; Kawabata, Y; Suzuki, N; Tanaka, H; Sano, M; Kato, S; Takemura, A; Unno, N; Kojima, T; Sato, K

    2014-08-01

    D2-40, a monoclonal antibody against podoplanin, is a selective marker of lymphatic endothelium and is widely used for research on and diagnosis of pathology of lymphatic vessels. We examined the relation between the duration of tissue section storage and changes in immunostaining by D2-40 antibody; we evaluated also the effects of preservation methods on changes in immunostaining during storage. Staining by D2-40 was attenuated by long-term preservation of scalp skin and lymph node sections at room temperature. The attenuation of D2-40 staining in stored sections was improved by preservation at low temperature, i.e., 4° or - 30° C. We investigated also the immunostaining of preserved tissue sections using NZ-1 and Lyve-1, which are antibodies against lymphatic endothelium markers. Staining by NZ-1 or Lyve-1 antibody was detected clearly in sections that had been stored for 16 weeks. Our study suggests that either long-term storage of D2-40 immunostained tissue sections should be avoided or the section should be preserved at low temperature.

  19. Extension of 239+240Pu sediment geochronology to coarse-grained marine sediments

    Science.gov (United States)

    Kuehl, Steven A.; Ketterer, Michael E.; Miselis, Jennifer L.

    2012-01-01

    Sediment geochronology of coastal sedimentary environments dominated by sand has been extremely limited because concentrations of natural and bomb-fallout radionuclides are often below the limit of measurement using standard techniques. ICP-MS analyses of 239+240Pu from two sites representative of traditionally challenging (i.e., low concentration) environments provide a "proof of concept" and demonstrate a new application for bomb-fallout radiotracers in the study of sandy shelf-seabed dynamics. A kasten core from the New Zealand shelf in the Southern Hemisphere (low fallout), and a vibracore from the sandy nearshore of North Carolina (low particle surface area) both reveal measurable 239+240Pu activities at depth. In the case of the New Zealand site, independently verified steady-state sedimentation results in a 239+240Pu profile that mimics the expected atmospheric fallout. The depth profile of 239+240Pu in the North Carolina core is more uniform, indicating significant sediment resuspension, which would be expected in this energetic nearshore environment. This study, for the first time, demonstrates the utility of 239+240Pu in the study of sandy environments, significantly extending the application of bomb-fallout isotopes to coarse-grained sediments, which compose the majority of nearshore regions.

  20. HCC-240fa氟化合成HFC-245fa技术进展%Progress on Synthesizing HFC -245fa by Fluorinating HCC -240fa

    Institute of Scientific and Technical Information of China (English)

    张国利; 杨会娥; 张文庆; 赵新堂

    2009-01-01

    HFC-245fa作为ODS发泡剂HCHC-141b和CFC-11的良好替代品,具有很好工业前景.全面综述了以HCC-240fa为原料合成HFC-245fa的各种工艺,并对HFC-245fa粗品的提纯进行详细的讨论.

  1. The Modeling and Simulation of 8V240ZJ Turbocharged Diesel Engine%8V240ZJ柴油机的建模仿真

    Institute of Scientific and Technical Information of China (English)

    王迎迎; 周斌

    2012-01-01

    This paper uses the professional engine analysis software GT - POWER to model a di- rect injection diesel engine model for 8 V240ZJ which is four strokes, supercharged locomotive diesel engine. The working process simulation and computation of 8V240ZJ diesel engine are validated. From the contrast test resuks and computation results, there is good agreement and small error. On this base, the effect on the performance of the diesel engine caused by engine speed was analyzed.%本文应用GT—Power建立了直喷式四冲程涡轮增压柴油机8V240ZJ模型,并进行了工作过程模拟,将模拟结果与实验结果进行比较,吻合良好,误差较小。在此基础上分析了该发动机的速度特性。

  2. 17 CFR 240.15b7-3T - Operational capability in a Year 2000 environment.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Operational capability in a Year 2000 environment. 240.15b7-3T Section 240.15b7-3T Commodity and Securities Exchanges SECURITIES... § 240.15b7-3T Operational capability in a Year 2000 environment. (a) This section applies to...

  3. Presence of plutonium isotopes, {sup 239}Pu and {sup 240}Pu, in soils from Chile

    Energy Technology Data Exchange (ETDEWEB)

    Chamizo, E., E-mail: echamizo@us.es [Centro Nacional de Aceleradores, Avda. Thomas Alba Edison, 7, 41092 Sevilla (Spain); Garcia-Leon, M., E-mail: manugar@us.es [Departamento de Fisica Atomica, Molecular y Nuclear, Universidad de Sevilla, Avda. Reina Mercedes sn, 41012 Seville (Spain); Peruchena, J.I., E-mail: jiperuchena@gmail.com [Centro Nacional de Aceleradores, Avda. Thomas Alba Edison, 7, 41092 Sevilla (Spain); Cereceda, F., E-mail: francisco.cereceda@usm.cl [Laboratorio de Quimica Ambiental, Centro de Tecnologias Ambientales (CETAM), Universidad Tecnica Federico Santa Maria, Casilla 110-V, Valparaiso (Chile); Vidal, V., E-mail: victor.vidal@usm.cl [Laboratorio de Quimica Ambiental, Centro de Tecnologias Ambientales (CETAM), Universidad Tecnica Federico Santa Maria, Casilla 110-V, Valparaiso (Chile); Pinilla, E., E-mail: epinilla@unex.es [Departamento de Quimica Analitica, Facultad de Ciencias, Universidad de Extremadura, Avda. de Elvas sn, 06071 Badajoz (Spain); Miro, C., E-mail: cmiro@unex.es [Departamento de Fisica Aplicada, Universidad de Extremadura, Avda. de la Universidad sn, 10071 Caceres (Spain)

    2011-12-15

    Plutonium is present in every environmental compartment, due to a variety of nuclear activities. The Southern Hemisphere has received about 20% of the global {sup 239}Pu and {sup 240}Pu environmental inventory, with an important contribution of the so-called tropospheric fallout from both the atmospheric nuclear tests performed in the French Polynesia and in Australia by France and United Kingdom, respectively. In this work we provide new data on the impact of these tests to South America through the study of {sup 239}Pu and {sup 240}Pu in soils from different areas of Northern, Central and Southern Chile. The obtained results point out to the presence of debris from the French tests in the 20-40 Degree-Sign Southern latitude range, with {sup 240}Pu/{sup 239}Pu atomic ratios quite heterogeneous and ranging from 0.02 to 0.23. They are significantly different from the expected one for the global fallout in the Southern Hemisphere for the 30-53 Degree-Sign S latitude range (0.185 {+-} 0.047), but they follow the same trend as the reported values by the Department of Energy of United States for other points with similar latitudes. The {sup 239+240}Pu activity inventories show as well a wider variability range in that latitude range, in agreement with the expected heterogeneity of the contamination.

  4. The IMM Face Database - An Annotated Dataset of 240 Face Images

    DEFF Research Database (Denmark)

    Nordstrøm, Michael M.; Larsen, Mads; Sierakowski, Janusz;

    This note describes a dataset consisting of 240 annotated monocular images of 40 different human faces. Points of correspondence are placed on each image so the dataset can be readily used for building statistical models of shape. Format specifications and terms of use are also given in this note....

  5. 17 CFR 240.14a-20 - Shareholder approval of executive compensation of TARP recipients.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Shareholder approval of... § 240.14a-20 Shareholder approval of executive compensation of TARP recipients. If a solicitation is... shareholder vote to approve the compensation of executives, as disclosed pursuant to Item 402 of Regulation...

  6. Jiangrun Copper Planning for Copper Rod Production of 240,000 tons

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    <正>According to Jiangsu Jiangrun Copper Co Ltd, it is planning to achieve 240,000 tons of 8mm copper rod production this year due to brisk demand from the lower reaches and the gradual release of its SCR line capacity.

  7. 33 CFR 222.5 - Water control management (ER 1110-2-240).

    Science.gov (United States)

    2010-07-01

    ... included in the post flood reports required by ER 500-1-1, 33 CFR part 203. (n) Water Control Management... 33 Navigation and Navigable Waters 3 2010-07-01 2010-07-01 false Water control management (ER 1110... ARMY, DEPARTMENT OF DEFENSE ENGINEERING AND DESIGN § 222.5 Water control management (ER 1110-2-240)....

  8. 17 CFR 240.15g-4 - Disclosure of compensation to brokers or dealers.

    Science.gov (United States)

    2010-04-01

    ... transactions in the penny stock reported on a Qualifying Electronic Quotation System (as defined in 17 CFR 240... or dealer to effect a transaction in any penny stock for or with the account of a customer unless... connection with such transaction. (b) Timing. (1) The information described in paragraph (a) of this...

  9. 17 CFR 240.0-2 - Business hours of the Commission.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Business hours of the... Securities Exchange Act of 1934 Rules of General Application § 240.0-2 Business hours of the Commission. (a... Saving Time, whichever is currently in effect. (c) Electronic filings. Filings made by...

  10. 17 CFR 240.14a-13 - Obligation of registrants in communicating with beneficial owners.

    Science.gov (United States)

    2010-04-01

    ... the option of the registrant, any employee benefit plan established by an affiliate of the registrant that holds securities of the registrant that the registrant elects to treat as exempt employee benefit..., pursuant to § 240.14b-2(b)(1)(i), the names and addresses of its respondent banks, within one business...

  11. Biogalvanic aluminum--oxygen cells. [Al anode and O from body fluids; 240. mu. W output

    Energy Technology Data Exchange (ETDEWEB)

    Weidlich, E.; Wenzel, M.; Richter, G.; Von Strum, F.

    1973-01-01

    The cell consists of an Al anode between two activated carbon electrodes coated with tissue-compatible membranes that permit only the entrance of oxygen from body fluids. In vitro output is 240 ..mu..W and in vivo output is 200 ..mu..W. The cell can be used to power a cardiac pacemaker.

  12. 10 CFR 72.240 - Conditions for spent fuel storage cask reapproval.

    Science.gov (United States)

    2010-01-01

    ... Section 72.240 Energy NUCLEAR REGULATORY COMMISSION (CONTINUED) LICENSING REQUIREMENTS FOR THE INDEPENDENT STORAGE OF SPENT NUCLEAR FUEL, HIGH-LEVEL RADIOACTIVE WASTE, AND REACTOR-RELATED GREATER THAN CLASS C... adversely affected structures, systems, and components important to safety....

  13. 17 CFR 240.3a12-8 - Exemption for designated foreign government securities for purposes of futures trading.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Exemption for designated foreign government securities for purposes of futures trading. 240.3a12-8 Section 240.3a12-8 Commodity and... trading. (a) When used in this Rule, the following terms shall have the meaning indicated: (1) The...

  14. 17 CFR 240.19d-3 - Applications for review of final disciplinary sanctions, denials of membership, participation or...

    Science.gov (United States)

    2010-04-01

    ... limitations of access to services imposed by self-regulatory organizations. 240.19d-3 Section 240.19d-3... sanctions, denials of membership, participation or association, or prohibitions or limitations of access to... disciplinary sanction, denial or conditioning of membership, participation, bar from association,...

  15. 17 CFR 240.17i-7 - Calculations of allowable capital and risk allowances or alternative capital assessment.

    Science.gov (United States)

    2010-04-01

    ... factor. Each Value at Risk model shall meet the applicable qualitative and quantitative requirements set... risk management control system and practices, including a review of the Value at Risk model used to... capital and risk allowances or alternative capital assessment. 240.17i-7 Section 240.17i-7 Commodity...

  16. 239+240pn as a dating marker in lake sediments: An example from Lake Chenghai, China%239+240Pu作为湖泊沉积物计年时标:以云南程海为例

    Institute of Scientific and Technical Information of China (English)

    万国江; 吴丰昌; J Zheng; 万恩源; 廖海清; Y Masatoshi; 王长生

    2011-01-01

    137 CS time mark combined with210Pb dating has been widely applied to recent sedimentation. The 137Cs specific activity is, however, hard to detect after decay for two half-lifes. Due to its comparatively long - term half - life, plutonium from global fallout is expected to provide a dating mark for sedimentation. In the present work, we discuss the vertical distribution of 239 + 240Pu and 137 Cs specific activities, and the 240 pu/239 Pu atom ratio in a sediment core of Lake Chenghai. The distribution pattern of 239 +240pu was similar to those of 137Cs specific activities( decay corrected to deposition time)in the sediment core, and also corresponded well with the annual deposition of 137Cs in the northern hemisphere. These results demonstrate that the 239 +240pu specific activity is available to construct recent chronology for lacustrine sediment. In the examined sediment core, the values of 0. 016 for average 239 +24Opu/137Cs activity ratio and 0.012 for ∑239+240Pu/∑ 137Cs, are close to that of global fallout. The vertical variation of 239+240Pu/137Cs activity ratio indicated that the postdepositional transport of plutonium is much less than radiocesium. The average 240Pu/239 Pu atom ratio is 0. 195 ±0. 021, which means plutonium in Lake Chenghai originated from global fallout. The abnormal distribution of 239+240Pu and 137Cs at 8 cm in the sediment core may be explained by the influence of Chernobyl-source radionuclides.%在近代沉积作用领域137Cs时标与210Pb计年结合,获得了广泛而有效的应用.然而,137Cs经过两个半衰期的衰变已难于辩识.环境中的Pu核素具有相对较长的半衰期,也随全球大气扩散而散落于地球表面,可望作为沉积计年的时间标志.通过程海沉积物柱芯中239+240Pu比活度、240Pu/239Pu原子比率及校正到沉积年代的137Cs比活度的对比研究表明:二者比活度的垂直剖面基本相似、239+240pu比活度与北半球137Cs逐年沉降量之间也具有很

  17. MEMORIES 240

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    This holiday is very unique. On June 5,2004 (the 18th day of the fourth lunar month) the Xibe people celebrated their Western Migration Festival. This year, the celebration was grander and more enthusiastic than any before.

  18. Lymphatic marker podoplanin/D2-40 in human advanced cirrhotic liver- Re-evaluations of microlymphatic abnormalities

    Directory of Open Access Journals (Sweden)

    Yoshimura Kazunori

    2010-11-01

    Full Text Available Abstract Background From the morphological appearance, it was impossible to distinguish terminal portal venules from small lymphatic vessels in the portal tract even using histochemical microscopic techniques. Recently, D2-40 was found to be expressed at a high level in lymphatic endothelial cells (LECs. This study was undertaken to elucidate hepatic lymphatic vessels during progression of cirrhosis by examining the expression of D2-40 in LECs. Methods Surgical wedge biopsy specimens were obtained from non-cirrhotic portions of human livers (normal control and from cirrhotic livers (LC (Child A-LC and Child C-LC. Immunohistochemical (IHC, Western blot, and immunoelectron microscopic studies were conducted using D2-40 as markers for lymphatic vessels, as well as CD34 for capillary blood vessels. Results Imunostaining of D2-40 produced a strong reaction in lymphatic vessels only, especially in Child C-LC. It was possible to distinguish the portal venules from the small lymphatic vessels using D-40. Immunoelectron microscopy revealed strong D2-40 expression along the luminal and abluminal portions of the cell membrane of LECs in Child C-LC tissue. Conclusion It is possible to distinguish portal venules from small lymphatic vessels using D2-40 as marker. D2-40- labeling in lymphatic capillary endothelial cells is related to the degree of fibrosis in cirrhotic liver.

  19. 17 CFR 240.3a51-1 - Definition of “penny stock”.

    Science.gov (United States)

    2010-04-01

    ...) Except for purposes of section 7(b) of the Securities Act and Rule 419 (17 CFR 230.419), that has a price... prices displayed at that time in an interdealer quotation system, as defined in 17 CFR 240.15c2-7(c)(1... 17 CFR 210.2-02; or (ii) If the issuer is a foreign private issuer, are the most recent...

  20. A 240W Monolithic Class-D Audio Amplifier Output Stage

    DEFF Research Database (Denmark)

    Nyboe, Flemming; Kaya, Cetin; Risbo, Lars;

    2006-01-01

    A single-channel class-D audio amplifier output stage outputs 240W undipped into 4Omega 0.1% open-loop THD+N allows using the device in a fully-digital audio signal path with no feedback. The output current capability is plusmn18A and the part is fabricated in a 0.4mum/1.8mum high-voltage Bi...

  1. Irradiation Effects of 22 and 240 MeV Protons on Several Transistors and Solar Cells

    Science.gov (United States)

    Hulten, W. C.; Honaker, W. C.; Patterson, John L.

    1961-01-01

    The work covered in this report has been directed toward the investigation of the irradiation effects of 22 and 240 MeV protons on several transistors, solar cells, resistors, and condensers to be used in the space radiation environment. The experimental data indicated definite detrimental effects on transistors and solar cells but no apparent effects on the types of resistors and condensers tested. The detrimental effects are of two distinct types: transient and permanent.

  2. Minimally invasive video-assisted thyroidectomy: seven-year experience with 240 cases

    OpenAIRE

    Barczyński, Marcin; Konturek, Aleksander; Stopa, Małgorzata; Papier, Aleksandra; Nowak, Wojciech

    2012-01-01

    Introduction Minimally invasive video-assisted thyroidectomy (MIVAT) has gained acceptance in recent years as an alternative to conventional thyroid surgery. Aim Assessment of our 7-year experience with MIVAT. Material and methods A retrospective study of 240 consecutive patients who underwent MIVAT at our institution between 01/2004 and 05/2011 was conducted. The inclusion criterion was a single thyroid nodule below 30 mm in diameter within the thyroid of 25 ml or less in volume. The exclusi...

  3. Fission barriers of 237 to 240 plutonium isotopes with the 236U(α,xn) reactions

    International Nuclear Information System (INIS)

    Excitation functions for the reactions 236U(α,xn)sup(240-x)Pu have been measured for x=2, 3, 4. The production of 236U targets as well as the chemical separation of Pu from the irradied targets are given. Experimental results have been analysed using the preequilibrium mechanism (PREEQ code) and the statistical model description of fission through a double humped barrier (GIVAB code)

  4. Prompt fission γ -ray spectrum characteristics from 240Pu(sf ) and 242Pu(sf )

    Science.gov (United States)

    Oberstedt, S.; Oberstedt, A.; Gatera, A.; Göök, A.; Hambsch, F.-J.; Moens, A.; Sibbens, G.; Vanleeuw, D.; Vidali, M.

    2016-05-01

    In this paper we present first results for prompt fission γ -ray spectra (PFGS) characteristics from the spontaneous fission (sf) of 240Pu and 242Pu. For 242Pu(sf ) we obtained, after proper unfolding of the detector response, an average energy per photon ɛ¯γ=(0.843 ±0.012 ) MeV, an average multiplicity M¯γ=(6.72 ±0.07 ) , and an average total γ -ray energy release per fission E¯γ ,tot = (5.66 ± 0.06) MeV. The 240Pu(sf ) emission spectrum was obtained by applying a so-called detector-response transformation function determined from the 242Pu spectrum measured in exactly the same geometry. The results are an average energy per photon ɛ¯γ=(0.80 ±0.07 ) MeV, the average multiplicity M¯γ = (8.2 ± 0.4), and an average total γ -ray energy release per fission E¯γ ,tot = (6.6 ± 0.5) MeV. The PFGS characteristics for 242Pu(sf ) are in very good agreement with those from thermal-neutron-induced fission on 241Pu and scales well with the corresponding prompt neutron multiplicity. Our results in the case of 240Pu(sf ), although drawn from a limited number of events, show a significantly enhanced average multiplicity and average total energy, but may be understood from a different fragment yield distribution in 240Pu(sf ) compared to that of 242Pu(sf ).

  5. Design of 240,000 orthogonal 25mer DNA barcode probes

    OpenAIRE

    Xu, Qikai; Schlabach, Michael R.; Hannon, Gregory J.; Elledge, Stephen J.

    2009-01-01

    DNA barcodes linked to genetic features greatly facilitate screening these features in pooled formats using microarray hybridization, and new tools are needed to design large sets of barcodes to allow construction of large barcoded mammalian libraries such as shRNA libraries. Here we report a framework for designing large sets of orthogonal barcode probes. We demonstrate the utility of this framework by designing 240,000 barcode probes and testing their performance by hybridization. From the ...

  6. A 240W Monolithic Class-D Audio Amplifier Output Stage

    OpenAIRE

    Nyboe, Flemming; Kaya, Cetin; Risbo, Lars; Andreani, Pietro

    2006-01-01

    A single-channel class-D audio amplifier output stage outputs 240W undipped into 4Omega 0.1% open-loop THD+N allows using the device in a fully-digital audio signal path with no feedback. The output current capability is plusmn18A and the part is fabricated in a 0.4mum/1.8mum high-voltage BiCMOS process. Over-current sensing protects the output from short circuits.

  7. Measurement of the ${240}$Pu(n,f) reaction cross-section

    CERN Multimedia

    Following proposal CERN-INTC-2010-042 / INTC-P-280 (“Measurement of the fission cross-section of $^{240}$Pu and $^{242}$Pu at CERN’s n_TOF Facility”), the parallel measurement of the $^{240}$Pu(n,f) and $^{242}$Pu(n,f) reaction cross-sections was carried out at n_TOF EAR-1. While the $^{242}$Pu measurement was successful, unexpected sample-induced damage to the detectors caused by the high α-activity of the 240Pu samples resulted in a deterioration of the detector performance over the data taking period of several months, which compromised the measurement. This obstacle can be eliminated by performing the measurement in EAR-2, where the higher neutron flux will allow collecting data in a much shorter time, thus preventing the degradation of the detectors. In addition to this obvious advantage, the measurement would also benefit from the stronger suppression of the sample-induced α-background, due to the shorter times-of-flight involved.

  8. Weldability examination of ASTM A 240 S41500 martensitic stainless steel by thermal cycles simulation testings

    Directory of Open Access Journals (Sweden)

    Alberto Velázquez-del Rosario

    2015-07-01

    Full Text Available The weldability assets of ASTM A 240 S41500 (ASTM A 240/A 240M martensitic stainless steel are presented through the study of the effects of single and double thermal weld cycles on mechanical properties and microstructure of base metal (BM and the artificial heat affected zone (HAZ created by thermal weld simulations. For single cycles, separate peak temperatures of 1000 ºC/12 s and 1350 ºC/12 s (cooling times: 12 s in both cases were evaluated, whilst two combinations of peak temperatures: (1350 ºC/5 s + 1000 ºC/5 s ºC and (1350 ºC/12 s + 1000 ºC/12 s ºC (cooling times: 5 s and 12 s, were applied for double cycles. Post weld heat treatment (PWHT with short and long holding times were applied and Vickers hardness, impact toughness and metallographic examinations were used in order to assess mechanical and metallographic properties in the as-simulated (no heat treated and postweld heat treated conditions. Best properties of the welded joint for double thermal weld cycles with long holding times were reached, which reveals the good weldability and applicability of the tested material in post weld heat treated conditions.

  9. Percutaneous Ethanol Intratumoral Injection for Treatment of Small Primary Liver Cancer:Summary of 240 Cases

    Institute of Scientific and Technical Information of China (English)

    GUOJia; CHENHan; 等

    2002-01-01

    Objective To evaluate the therapeutic effects of percutaneous ethanol intratumoral injection(PETT) for treatment of small primary liver cancer(SPLC). Methods 240 patients with surgically or pathologically proved SPLC(<3 cm in diameter)were treated by PETT(under the guidance of B-ultrasound).Of the 240 patients ,163 had recurrent liver cancer,55 had inoperable liver cancer because of cardiac ,pulmonary ,hepat-ic and renal dydfunctions or due to the close proximity of trmor to the major vessels,and 22 refused to receive surgical resection.In 40 pa-tients who received surgical resection after PETT treatment, the resected tumors were pathologically evaluated for necrotic status and the pa-tients were followed up postoperatively.Results Postoperative1-,2- and 3-year survival rate of the 240 patients was 94.9%,84.2% and 66.3% respectively.Conclusion PETTcan be used as a non-invasive treatment for SPLC,and preoperative PETT appears to be helpful in reducing recurrence of postoperative liver cancer.

  10. Background distributions of 239+240Pu and 137Cs of upland soil in Rokkasho, Japan

    International Nuclear Information System (INIS)

    The background distributions of Pu and 137Cs in soil were investigated in Rokkasho, Aomori Prefecture, where the first commercial nuclear fuel reprocessing plant in Japan is now being constructed. Soil core samples to 1 m depth were collected at 13 upland fields in Rokkasho and control sites in Hachinohe and Hirosaki. Since fields under yam (Dioscorea babatus) cultivation, which is a common crop in Rokkasho, were dug to approximately 1 m depth at harvesting, depth profiles of fallout radionuclides are heavily disturbed for most fields in Rokkasho. The mean inventories of 239+240Pu and 137Cs in three fields with no yam cultivation history were 116 Bq m-2 and 3.4 kBq m-2, respectively and similar to values in Hachinohe. However, the inventories were approximately a half of those in Hirosaki. The mean ratio of 239Pu/240Pu for all studied fields was 0.18±0.04, and similar to that of global fallout. The Pu concentrations correlate very well with 137Cs (r=0.97) in spite of heavy disturbance of soil, and the ratio of 239+240Pu/137Cs was 0.037±0.007, which is a typical value for global fallout. (author)

  11. Evaluation both level and 239+240Pu spatial contamination of the Lira object and the neighbouring areas

    International Nuclear Information System (INIS)

    In the work the generalization of considerable data collection for revealing of 239+240Pu content range discriminative for Lira object and neighbouring areas is carried out. 239+240Pu mean specific activity in the soil cover surface and in the Berezovka River bottom sedimentations are determined. The correlation dependence between 239+240Pu artificial radionuclides and 137Cs is revealed. The general source of artificial radionuclide origination for examined isotopes is shown up, and it is related with global radioactive fallout

  12. A Design of 240 W Communication Power Based on LLC Resonant Topology%基于LLC谐振拓扑的240W通讯电源设计

    Institute of Scientific and Technical Information of China (English)

    张灵迪; 施华虎; 魏涛

    2011-01-01

    This paper analyzes the principle of new resonant topology LLC based on half bridge detailedly, then proposes the design method for calculating the three parameters of serial resonant inductance, capacitance in resonance tank and transformer excitation in%详细分析了基于半桥的新型谐振拓扑结构LLC的原理,并采用基波近似结合时域仿真的方法,给出上LLC谐振腔的串联谐振电感、串联谐振电容和变压器励磁电感等三个重要参数的设计方法,同时给出了采用锁相控制法搭建240W功率输出的通讯电源的实现方案。

  13. 17 CFR 240.14a-7 - Obligations of registrants to provide a list of, or mail soliciting material to, security holders.

    Science.gov (United States)

    2010-04-01

    ... Internet Availability of Proxy Materials (as described in § 240.14a-16), furnished by the security holder... security holder shall be sent to that address, provided that if multiple copies of the Notice of Internet... provide a list of, or mail soliciting material to, security holders. 240.14a-7 Section 240.14a-7...

  14. Clinical significances of D2-40 expression in thymic epithelial tumors%D2-40在胸腺上皮肿瘤中的表达及临床意义

    Institute of Scientific and Technical Information of China (English)

    袁东风; 江华; 刘凡英

    2012-01-01

    目的 探讨D2-40在胸腺上皮肿瘤(TET)中的表达,分析D2-40表达与肿瘤侵袭和预后的关系.方法 采用免疫组织化学染色法观察D2-40在160例胸腺上皮肿瘤和40例正常胸腺标本中的表达情况,术后连续随访5年以上.应用统计学软件分析D2-40表达与肿瘤侵袭和预后的关系.结果 D2-40在TET及正常胸腺中的阳性表达率分别为58.8% (94/160)和20% (8/40),差异有统计学意义(P=0.013).D2-40在TET中的表达与TET侵袭性有关(P<0.01).D2-40阳性表达组和阴性表达组患者5年生存率分别为32%、90%(P<0.01).结论 D2-40在TET中的表达高于正常胸腺组织,且随着侵袭性的增强,表达也增强.D2-40表达阳性的患者预后较差.%Objective To investigate the expression of D2-40 in thymic epithelial tumors (TET) and its significance in tumor invasion and prognosis. Methods Immunohistochemical method was used to assess the expression of D240 in 160 samples of thymic epithelial tumors and 40 samples of normal thymuses. All cases were followed-up for more than 5 years after operation. Statistics softwares were used to analyze the correlation between the expression of D2-40 and the tumor invasion and prognosis. Results The positive rate of D2-40 expression in 160 TET and 40 normal thymuses were 58.8% (94/160) and20%(8/40) respectively, and the difference was statistically significant (P = 0.013). The expression of D2-40 in TET was correlated with the invasion of TET (P<0.01). The 5-year-survival rates of the patients in the D2-40 expression positive group and the negative group were 32% and 90% respectively (P<0. 01). Conclusion Expression of 02-40 is higher in the TET than in the normal thymus, which correlates with the aggression of TET. The patients with D2-40 positive expression have worse prognosis.

  15. Studies of the Pu-239/240 content in tissues from non-occupationally exposed individuals. Progress report

    International Nuclear Information System (INIS)

    Environmental levels of alpha-emitting actinides, specifically plutonium 239, 240 have been determined in tissues from non-occupationally exposed individuals of different ages, sexes and geographical areas and the results compared with those from other laboratories

  16. 240 km 10 Gbit/s CS-RZ Repeaterless Transmission over SSMF without Raman or Remotely Pumped Amplifiers

    Institute of Scientific and Technical Information of China (English)

    2003-01-01

    10Gbit/s repeaterless transmission over 240km SSMF using CS-RZ format is reported. No Raman or remotely pumped amplifiers are used in this experiment. Effect of channel space in multi-channel application is also investigated.

  17. Complete genome sequence of the complex carbohydrate-degrading marine bacterium, Saccharophagus degradans strain 2-40 T.

    OpenAIRE

    Weiner, Ronald M.; Taylor, Larry E.; Bernard Henrissat; Loren Hauser; Miriam Land; Coutinho, Pedro M; Corinne Rancurel; Saunders, Elizabeth H.; Atkinson G Longmire; Haitao Zhang; Bayer, Edward A.; Gilbert, Harry J.; Frank Larimer; Zhulin, Igor B.; Ekborg, Nathan A.

    2008-01-01

    The marine bacterium Saccharophagus degradans strain 2-40 (Sde 2-40) is emerging as a vanguard of a recently discovered group of marine and estuarine bacteria that recycles complex polysaccharides. We report its complete genome sequence, analysis of which identifies an unusually large number of enzymes that degrade >10 complex polysaccharides. Not only is this an extraordinary range of catabolic capability, many of the enzymes exhibit unusual architecture including novel combinations of catal...

  18. Neutron inelastic-scattering cross sections of 232Th, 233U, 235U, 238U, 239Pu and 240Pu

    International Nuclear Information System (INIS)

    Differential-neutron-emission cross sections of 232Th, 233U, 235U, 238U, 239Pu and 240Pu are measured between approx. = 1.0 and 3.5 MeV with the angle and magnitude detail needed to provide angle-integrated emission cross sections to approx. 232Th, 233U, 235U and 238U inelastic-scattering values, poor agreement is observed for 240Pu, and a serious discrepancy exists in the case of 239Pu

  19. 重症脑瘫240例临床分析%Clinical analysis of 240 children with severe cerebral palsy

    Institute of Scientific and Technical Information of China (English)

    刘卫鹏; 屈素清; 栾佐

    2013-01-01

    [Objective] In terms of clinical features as a comprehensive observation and analysis of children with severe cerebral palsy(CP),to determine the efficacy of the results and better prevention.[Methods] A total of 240 severe CP children were examined by perinatal history,history of growth and development,symptom,signs,imaging studies,electroencephalogram,and Gross Motor Function Measure (GMFM),Peabody Developmental Motor Scale-Fine Scale (PDMSFM),to detect the clinical features.[Result] Among the 240 cases of CP,103 cases (42.9%) with spastic type CP,81 cases (33.8%) with dyskinetic type,49 cases(20.4%) with mixed type,7 cases (2.9%) with hypotonia type,gross motor function classification were than grade Ⅳ;the main risk factors for preterm delivery (37.9 %),intrauterine hypoxia (20.4%),neonatal jaundice (15.8%);90% cases with mental retardation,44% cases with visual impairment,8.3% cases with hearing impairment,27.1% cases with symptomatic epilepsy,42.9 % patients with swallowing dysfunction lead to malnutrition;brain morphological damage reduced to white matter volume,myelination delay,periventricular leukomalacia,multiple brain softening,cerebral dysplasia,basal ganglia lesions.[Conclusion] The pathogenic factors of severe cerebral palsy are complex and diversiform;severe CP patients' motor function is severely restricted;with even multiple concurrent disorders.To know these disease risk factors and complications of damage could help us to prevent and treat severe CP better.%[目的]通过对住院康复治疗240例重症脑瘫(cerebral palsy,CP)患儿临床特点进行分析,提高对重症CP的认识,并尽早防治. [方法]对资料完善的240例重症CP患儿围产史、生长发育史、症状、体征、影像学检查、电生理学检查、粗大运动功能评估量表和Peabody精细运动量表评估检查,进行回顾性研究分析. [结果]240例CP患儿中痉挛型103例(42.9%),不随意运动型81例(33.8

  20. Clinicopathological significance of D2-40 expression in craniopharyngioma%颅咽管瘤中D2-40的表达及临床意义

    Institute of Scientific and Technical Information of China (English)

    刘雪咏; 朱琼; 陈余朋; 张声; 王行富; 吴晶晶; 李国平

    2015-01-01

    目的:探讨D2-40在颅咽管瘤中的表达及与临床病理学特征的关系及意义。方法采用免疫组化法检测D2-40在126例颅咽管瘤中的表达,并复习相关文献。结果 D2-40在颅咽管瘤中的总阳性率为87.30%(110/126),其中(+)、()、()阳性率分别为44.44%(56/126)、37.30%(47/126)和5.56%(7/126)。造釉细胞型主要表达在中间层细胞,乳头瘤样型主要表达在基底层细胞,两型表达模式不同。随着肿瘤伴发炎症程度的加重,D2-40表达程度上调。在肿瘤浸润灶及侵袭前沿, D2-40常常高表达,表现为基底层细胞及中间层细胞同时弥漫表达,侵袭性颅咽管瘤中D2-40的表达程度高于非侵袭性颅咽管瘤。复发性颅咽管瘤中D2-40的表达程度高于非复发性颅咽管瘤。D2-40表达与患者性别、肿瘤组织学分型无明显相关性。结论 D2-40表达上调与颅咽管瘤的发生、发展相关,可能导致肿瘤细胞的侵袭能力增强,并可能与炎症相关机制有关。D2-40高表达可能是颅咽管瘤患者易复发的因素之一。%Purpose To investigate the expression pattern and c1inicopatho1ogica1 significance of D2-40 in craniopharyngioma( CP). Methods Immunohistochemica1 method was used to assess D2-40 expression in 126 cases of craniopharyngioma. Statistic software was used to ana1yze the corre1ation between D2-40 expression and c1inicopatho1ogica1 features. Results The overa11 positive rate of D2-40 expression in 126 craniopharyngioma was 87. 30%. The rate of +, and  were 44. 44%( 56/126 ),37. 30%( 47/126 )and 5. 56%(7/126)respective1y. In adamantinomatous CPs,D2-40 expression was observed in epithe1ia1 components corresponding to the stratum intermedium,whi1e in papi11ary CPs,it was immuno-positive in basa1 ce11s. With the increasing of the existence of inf1amma-tion in tumor,D2-40 expression was up-regu1ated. Tumor ce11s were over-expressed for D2-40 in basa1

  1. Application possibilities of Acqiris digital card DP240 for positron lifetime measurement

    Energy Technology Data Exchange (ETDEWEB)

    Petriska, M; Slugen, V [Department of Nuclear Physics and Technology, Slovak University of Technology, Ilkovicova 3, 81219 Bratislava (Slovakia); Krsjak, V [Institute for Energy, Joint Research Centre of the European Commission, PO Box 2, 1755ZG Petten (Netherlands); Zeman, A, E-mail: martin.petriska@stuba.sk [International Atomic Energy Agency, Department of Nuclear Sciences and Applications, Wagramer Strasse 5, A-1400, Vienna (Austria)

    2011-01-10

    Based on existing knowledge, a software for the digital positron lifetime (LT) spectrometer has been designed at the Slovak University of Technology. As a digitizer, Acqiris DP240 card was used. Start and stop timing signals have been digitised separately with sampling rate 1GS/s in 8 bit resolution. This sampling rate was not sufficient; therefore a joined delayed channel mode with 2GS/s sampling rate was used. Next applications for the study of advanced materials for nuclear industry are foreseen.

  2. Metamaterial composite bandpass filter with an ultra-broadband rejection bandwidth of up to 240 terahertz

    DEFF Research Database (Denmark)

    Strikwerda, Andrew; Zalkovskij, Maksim; Lorenzen, Dennis Lund;

    2014-01-01

    We present a metamaterial, consisting of a cross structure and a metal mesh filter, that forms a composite with greater functional bandwidth than any terahertz (THz) metamaterial to date. Metamaterials traditionally have a narrow usable bandwidth that is much smaller than common THz sources...... frequency (f) that is scalable from 0.86–8.51 THz, that highly extinguishes other frequencies up to >240 THz. The performance of these filters is demonstrated in experiment, using both air biased coherent detection and a Fourier transform infrared spectrometer (FTIR), as well as in simulation. We present...

  3. {sup 239+240}Pu in the Barents Sea Regions. Sources and radioecological assessment

    Energy Technology Data Exchange (ETDEWEB)

    Iosjpe, Mikhail [Norwegian Radiation Protection Authority, P.O. Box 55, N-1332 Oesteraas (Norway)

    2014-07-01

    The radioecological assessment for {sup 239+240}Pu in the Barents sea regions was made using the compartment modelling approach. The following sources of radioactive contamination were under consideration: global fallout from atmospheric testing of nuclear weapons, transport of {sup 239+240}Pu from the Sellafield and La Hauge nuclear plants and underwater testing of nuclear weapons in Chernaya Bay, Novaya Zemlya. The box model developed at NRPA uses a modified approach for compartmental modeling, which takes into account the dispersion of radionuclides over time. The box structures for surface, mid-depth and deep water layers have been developed based on the description of polar, Atlantic and deep waters in the Arctic Ocean and the Northern Seas, as well as site-specific information for the boxes. The volume of the three water layers in each box has been calculated using detailed bathymetry together with Geographical Information Systems. The box model includes the processes of advection of radioactivity between compartments, sedimentation, diffusion of radioactivity through pore water in sediments, resuspension, mixing due to bioturbation, particle mixing and a burial process for radionuclides in deep sediment layers. Radioactive decay is calculated for all compartments. The contamination of biota is further calculated from the known radionuclide concentrations in filtered seawater in the different water regions. Doses to man are calculated on the basis of seafood consumptions, in accordance with available data for seafood catches and assumptions about human diet in the respective areas. Dose to biota are determined on the basis of calculated radionuclide concentrations in marine organisms, water and sediment, using dose conversion factors. Results of the calculations show that atmospheric deposition is the dominant source for the Barents Sea, except for the Chernaya Bay region. It is also demonstrated that the impact of the Sellafield nuclear facilities has

  4. Microscopic modeling of mass and charge distributions in the spontaneous fission of 240Pu

    Science.gov (United States)

    Sadhukhan, Jhilam; Nazarewicz, Witold; Schunck, Nicolas

    2016-01-01

    We propose a methodology to calculate microscopically the mass and charge distributions of spontaneous fission yields. We combine the multidimensional minimization of collective action for fission with stochastic Langevin dynamics to track the relevant fission paths from the ground-state configuration up to scission. The nuclear potential energy and collective inertia governing the tunneling motion are obtained with nuclear density functional theory in the collective space of shape deformations and pairing. We obtain a quantitative agreement with experimental data and find that both the charge and mass distributions in the spontaneous fission of 240Pu are sensitive both to the dissipation in collective motion and to adiabatic fission characteristics.

  5. Microscopic modeling of mass and charge distributions in the spontaneous fission of 240Pu

    CERN Document Server

    Sadhukhan, Jhilam; Schunck, Nicolas

    2016-01-01

    In this letter, we outline a methodology to calculate microscopically mass and charge distributions of spontaneous fission yields. We combine the multi-dimensional minimization of collective action for fission with stochastic Langevin dynamics to track the relevant fission paths from the ground-state configuration up to scission. The nuclear potential energy and collective inertia governing the tunneling motion are obtained with nuclear density functional theory in the collective space of shape deformations and pairing. We obtain a quantitative agreement with experimental data and find that both the charge and mass distributions in the spontaneous fission of 240Pu are sensitive both to the dissipation in collective motion and to adiabatic characteristics.

  6. American Chemical Society - 240th national meeting - chemistry for preventing and combating disease: part 2.

    Science.gov (United States)

    Kibble, Alexandra

    2010-10-01

    The 240th National Meeting of the American Chemical Society, held in Boston, included topics covering new therapeutic research. This conference report highlights selected presentations on (S)-adenosylhomocysteine (AHCY) inhibitors for the treatment of Alzheimer's disease, 2,4-diphenyl-1H-imidazole analogs as cannabinoid CB2 agonists for the treatment of pain, checkpoint kinase 1 (Chk1) and Aurora kinase B as therapeutic targets for cancer treatment, pyridylmethylthio derivatives as VEGFR2 inhibitors, and Janus kinase 2 (JAK2) for the treatment of myeloproliferative disorders. Investigational drugs discussed include L-002259713 (Merck & Co), AZD-1480 (AstraZeneca), CYT-387 (YM Biosciences) and ruxolitinib (Incyte).

  7. 64 Gbit/s Transmission over 850 m Fixed Wireless Link at 240 GHz Carrier Frequency

    Science.gov (United States)

    Kallfass, Ingmar; Boes, Florian; Messinger, Tobias; Antes, Jochen; Inam, Anns; Lewark, Ulrich; Tessmann, Axel; Henneberger, Ralf

    2015-02-01

    A directive fixed wireless link operating at a center frequency of 240 GHz achieves a data rate of 64 Gbit/s over a transmission distance of 850 m using QPSK and 8PSK modulation, in a single-channel approach without the use of spatial diversity concepts. The analog transmit and receive frontend consists of active monolithic integrated circuits including broadband RF amplification and quadrature subharmonic mixer channels. The analog frontend is addressed by 64 GSa/s ADC and DAC boards, which are amenable to real-time data transmission. A link budget calculation allows for the estimation of the performance under adverse weather conditions.

  8. Annular cylinders experimental programme containing plutonium solutions at different 240Pu contents

    International Nuclear Information System (INIS)

    From 1963 to 1976, 730 critical experiments dealing with annular cylinders containing plutonium nitrate solutions were conducted on Valduc critical facility, called 'Apparatus B'. They aimed at validating critical configurations encountered in the fuel cycle, especially in storage and also at validating the 240Pu cross-sections in thermal neutron spectrum. It is to be noticed that these experiments validate criticality codes either in configurations with reactor-grade plutonium coming from the reprocessing cycle or with weapon-grade plutonium coming from the decommissioning of nuclear weapons. (authors)

  9. A multi-radionuclide approach to evaluate the suitability of (239+240)Pu as soil erosion tracer.

    Science.gov (United States)

    Meusburger, Katrin; Mabit, Lionel; Ketterer, Michael; Park, Ji-Hyung; Sandor, Tarjan; Porto, Paolo; Alewell, Christine

    2016-10-01

    Fallout radionuclides have been used successfully worldwide as tracers for soil erosion, but relatively few studies exploit the full potential of plutonium (Pu) isotopes. Hence, this study aims to explore the suitability of the plutonium isotopes (239)Pu and (240)Pu as a method to assess soil erosion magnitude by comparison to more established fallout radionuclides such as (137)Cs and (210)Pbex. As test area an erosion affected headwater catchment of the Lake Soyang (South Korea) was selected. All three fallout radionuclides confirmed high erosion rates for agricultural sites (>25tha(-1)yr(-1)). Pu isotopes further allowed determining the origin of the fallout. Both (240)Pu/(239)Pu atomic ratios and (239+240)Pu/(137)Cs activity ratios were close to the global fallout ratio. However, the depth profile of the (239+240)Pu/(137)Cs activity ratios in undisturbed sites showed lower ratios in the top soil increments, which might be due to higher migration rates of (239+240)Pu. The activity ratios further indicated preferential transport of (137)Cs from eroded sites (higher ratio compared to the global fallout) to the depositional sites (smaller ratio). As such the (239+240)Pu/(137)Cs activity ratio offered a new approach to parameterize a particle size correction factor that can be applied when both (137)Cs and (239+240)Pu have the same fallout source. Implementing this particle size correction factor in the conversion of (137)Cs inventories resulted in comparable estimates of soil loss for (137)Cs and (239+240)Pu. The comparison among the different fallout radionuclides highlights the suitability of (239+240)Pu through less preferential transport compared to (137)Cs and the possibility to gain information regarding the origin of the fallout. In conclusion, (239+240)Pu is a promising soil erosion tracer, however, since the behaviour i.e. vertical migration in the soil and lateral transport during water erosion was shown to differ from that of (137)Cs, there is a clear

  10. A multi-radionuclide approach to evaluate the suitability of (239+240)Pu as soil erosion tracer.

    Science.gov (United States)

    Meusburger, Katrin; Mabit, Lionel; Ketterer, Michael; Park, Ji-Hyung; Sandor, Tarjan; Porto, Paolo; Alewell, Christine

    2016-10-01

    Fallout radionuclides have been used successfully worldwide as tracers for soil erosion, but relatively few studies exploit the full potential of plutonium (Pu) isotopes. Hence, this study aims to explore the suitability of the plutonium isotopes (239)Pu and (240)Pu as a method to assess soil erosion magnitude by comparison to more established fallout radionuclides such as (137)Cs and (210)Pbex. As test area an erosion affected headwater catchment of the Lake Soyang (South Korea) was selected. All three fallout radionuclides confirmed high erosion rates for agricultural sites (>25tha(-1)yr(-1)). Pu isotopes further allowed determining the origin of the fallout. Both (240)Pu/(239)Pu atomic ratios and (239+240)Pu/(137)Cs activity ratios were close to the global fallout ratio. However, the depth profile of the (239+240)Pu/(137)Cs activity ratios in undisturbed sites showed lower ratios in the top soil increments, which might be due to higher migration rates of (239+240)Pu. The activity ratios further indicated preferential transport of (137)Cs from eroded sites (higher ratio compared to the global fallout) to the depositional sites (smaller ratio). As such the (239+240)Pu/(137)Cs activity ratio offered a new approach to parameterize a particle size correction factor that can be applied when both (137)Cs and (239+240)Pu have the same fallout source. Implementing this particle size correction factor in the conversion of (137)Cs inventories resulted in comparable estimates of soil loss for (137)Cs and (239+240)Pu. The comparison among the different fallout radionuclides highlights the suitability of (239+240)Pu through less preferential transport compared to (137)Cs and the possibility to gain information regarding the origin of the fallout. In conclusion, (239+240)Pu is a promising soil erosion tracer, however, since the behaviour i.e. vertical migration in the soil and lateral transport during water erosion was shown to differ from that of (137)Cs, there is a clear

  11. Alpha-particle emission probabilities in the decay of {sup 240}Pu

    Energy Technology Data Exchange (ETDEWEB)

    Sibbens, G., E-mail: goedele.sibbens@ec.europa.e [European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg 111, B-2440 Geel (Belgium); Pomme, S.; Altzitzoglou, T. [European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg 111, B-2440 Geel (Belgium); Garcia-Torano, E. [Laboratorio de Metrologia de Radiaciones Ionizantes, CIEMAT, Avda. Complutense 22, 28040 Madrid (Spain); Janssen, H.; Dersch, R.; Ott, O. [Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig (Germany); Martin Sanchez, A. [Departamento de Fisica, Universidad de Extremadura, Badajoz, E-06071 (Spain); Rubio Montero, M.P. [Departamento de Fisica Aplicada, Universidad de Extremadura, Merida, Badajoz, E-06800 (Spain); Loidl, M. [Laboratoire National Henri Becquerel, LNE/CEA-LIST, 91191 Gif-sur-Yvette (France); Coron, N.; Marcillac, P. de [Institut d' Astrophysique Spatiale, CNRS, 91405 Orsay Campus (France); Semkow, T.M. [Wadsworth Center, New York State Department of Health, Albany, NY 12201 (United States)

    2010-07-15

    Sources of enriched {sup 240}Pu were prepared by vacuum evaporation on quartz substrates. High-resolution alpha-particle spectrometry of {sup 240}Pu was performed with high statistical accuracy using silicon detectors and with low statistical accuracy using a bolometer. The alpha-particle emission probabilities of six transitions were derived from the spectra and compared with literature values. Additionally, some alpha-particle emission probabilities were derived from {gamma}-ray intensity measurements with a high-purity germanium detector. The alpha-particle emission probabilities of the three main transitions at 5168.1, 5123.6 and 5021.2 keV were derived from seven aggregate spectra analysed with five different fit functions and the results were compatible with evaluated data. Two additional weak peaks at 4863.5 and 4492.0 keV were fitted separately, using the exponential of a polynomial function to represent the underlying tailing of the larger peaks. The peak at 4655 keV could not be detected by alpha-particle spectrometry, while {gamma}-ray spectrometry confirms that its intensity is much lower than expected from literature.

  12. Evaluation of 239+240Pu, 137Cs and natural 210Pb fallout in agricultural upland fields in Rokkasho, Japan

    International Nuclear Information System (INIS)

    The background distributions of 239+240Pu and 137Cs fallout in agricultural soil were investigated in Rokkasho where Japan's first commercial nuclear fuel reprocessing plant is now being constructed. The mean inventories of 239+240Pu and 137Cs in three fields with non-yam-cultivation history were 116 Bq x m-2 and 3.4 kBq x m-2, respectively. The mean atomic ratio of 240Pu/239Pu for all studied fields was 0.18±0.04, and was similar to that of global fallout. The 239+240Pu concentrations correlated very well with 137Cs (r = 0.97) in spite of heavy disturbance of the soil, and the activity ratio of 239+240Pu/137Cs was 0.037 ± 0.007, which is a typical value for global fallout. These results showed that the nuclides had similar behavior in agricultural upland fields in Rokkasho. Since 210Pb is steadily deposited from the atmosphere to the land, this nuclide could be an index for the degree of disturbance of a field and of soil lost from the field. The ratio of excess 210Pb inventory in the soil to the equivalent inventory of atmospheric 210Pb deposition was 96%, and indicated that soil was not lost from the cultivated fields. (author)

  13. Transuranic concentrations in reef and pelagic fish from the Marshall Islands. [/sup 239/Pu, /sup 240/Pu

    Energy Technology Data Exchange (ETDEWEB)

    Noshkin, V.E.; Eagle, R.J.; Wong, K.M.; Jokela, T.A.

    1980-09-01

    Concentrations of /sup 239 + 240/Pu are reported in tissues of several species of reef and pelagic fish caught at 14 different atolls in the northern Marshall Islands. Several regularities that are species dependent are evident in the distribution of /sup 239 + 240/Pu among different body tissues. Concentrations in liver always exceeded those in bone and concentrations were lowest in the muscle of all fish analyzed. A progressive discrimination against /sup 239 + 240/Pu was observed at successive trophic levels at all atolls except Bikini and Enewetak, where it was difficult to conclude if any real difference exists between the average concentration factor for /sup 239 + 240/Pu among all fish, which include bottom feeding and grazing herbivores, bottom feeding carnivores, and pelagic carnivores from different atoll locations. The average concentration of /sup 239 + 240/Pu in the muscle of surgeonfish from Bikini and Enewetak was not significantly different from the average concentrations determined in these fish at the other, lesser contaminated atolls. Concentrations among all 3rd, 4th, and 5th trophic level species are highest at Bikini where higher environmental concentrations are found. The reasons for the anomalously low concentrations in herbivores from Bikini and Enewetak are not known.

  14. Precision of gamma-ray measurements of the effective specific power and effective {sup 240}Pu fraction of plutonium

    Energy Technology Data Exchange (ETDEWEB)

    Sampson, T.E.

    1992-05-01

    This paper uses gamma-ray spectrometry data from replicate measurements on 40 plutonium-bearing samples to examine the repeatability of the effective {sup 240}Pu fraction ({sup 240}Pu{sub eff}) and the effective specific power (P{sub eff}) calculated from the isotopic distribution analyzed with gamma-ray spectrometry codes. The measurements were used to identify the error component arising from repeatability in the determination of the isotopic composition of plutonium in the sample and the contribution of the error component to the uncertainty in total plutonium mass measurements from neutron coincidence counting ({sup 240}Pu{sub eff}) and calorimetry (P{sub eff}). The 40 samples had {sup 240}Pu{sub eff} percentages ranging from 2 to 39% and P{sub eff} values ranging from 2 to 16 mW/g Pu. Four different gamma-ray spectrometry codes (FRAM, MGA, Blue Box, and PUJRC) were used to analyze the data (not all samples were analyzed with each code). All analyses showed that the % relative standard deviation of P{sub eff} was smaller than that of {sup 240}Pu{sub eff}. This result coupled with a cursory examination of uncertainties in coincidence counting of well-characterized samples and water-bath calorimetry errors for the same types of samples lead to the conclusion that smaller uncertainties will be present in the total plutonium mass determined by the combination of calorimetry/gamma-ray spectrometry than in the mass determined by coincidence counting/gamma-ray spectrometry. An additional examination of the biases arising from the {sup 240}Pu correlation used in the gamma-ray spectrometry codes also supported this conclusion. 17 refs.

  15. 320×240 Pixels CMOS Digital Image Sensor with Wide Dynamic Range

    Institute of Scientific and Technical Information of China (English)

    FANG Jie; WANG Jing-guang; HONG Zhi-liang

    2004-01-01

    A 320×240 CMOS image sensor is demonstrated,which is implemented by a standard 0.6 μm 2P2M CMOS process.For reducing the chip area,each 2×2-pixel block shares a sample/hold circuit,analog-to-digital converter and 1-b memory.The 2×2 pixel pitch has an area of 40 μm×40 μm and the fill factor is about 16%.While operating at a low frame rate,the sensor dissipates a very low power by power-management circuit making pixel-level comparators in an idle state.A digital correlated double sampling,which eliminates fixed pattern noise,improves SNR of the sensor, and multiple sampling operations make the sensor have a wide dynamic range.

  16. Wolf River at Memphis, Tennessee: floodflow characteristics along proposed Interstate Highway 240, Shelby County

    Science.gov (United States)

    Randolph, William J.; Gamble, Charles R.

    1973-01-01

    This report has been prepared by the U.S. Geological Survey at the request of Mr. Henry Derthick, Engineer of Structures of the Tennessee Department of Transportation, under the authority of a cooperative agreement between the two agencies. It supplements information contained in a report with the same title dated September 1966. The Department of Transportation proposes to construct a segment of Interstate Highway 240 and several bridges across the Wolf River on the northern side off Memphis, Shelby Count. Mt. Derthick has requested an analysis of the 50-year flood or the maximum flood of record to determine the possible effect of the proposed construction on flood profiles along the Wolf River.

  17. American Chemical Society - 240th national meeting - chemistry for preventing and combating disease: part 1.

    Science.gov (United States)

    Burt, Jessica

    2010-10-01

    The 240th National Meeting of the American Chemical Society, held in Boston, included topics covering new therapeutic research. This conference report highlights selected presentations on negative allosteric modulators of metabotropic glutamate receptor 5 (mGluR5) for the treatment of Parkinson's disease, BACE1 inhibitors and γ-secretase inhibitors for the prevention or treatment of Alzheimer's disease, opioid modulators for the treatment of reward disorders, SGLT2 inhibitors for the treatment of diabetes, backup compounds to the DPP-4 inhibitor sitagliptin (Januvia) for type 2 diabetes, and MCH R1 inhibitors for the treatment of obesity. Investigational drugs discussed include SCH-1359113 and SCH-1682496 (both Merck & Co), NGP-555 (NeuroGenetic Pharmaceuticals), ALKS-33 (Alkermes), dapagliflozin (Bristol-Myers Squibb/AstraZeneca) and GSK-882380 (GlaxoSmithKline).

  18. 320x240 GaAs pixel detectors with improved X-ray imaging quality

    Energy Technology Data Exchange (ETDEWEB)

    Irsigler, R.; Andersson, J.; Alverbro, J.; Fakoor-Biniaz, Z.; Froejdh, C.; Helander, P.; Martijn, H.; Meikle, D.; Oestlund, M.; O' Shea, V.; Smith, K

    2001-03-11

    We report on gain and offset corrections for GaAs X-ray pixel detectors, which were hybridised to silicon CMOS readout integrated circuits (ROICs). The whole detector array contains 320x240 square-shaped pixels with a pitch of 38 {mu}m. The GaAs pixel detectors are based on semi-insulating and VPE grown substrates. The ROIC operates in the charge integration mode and provides snapshot as well as real time video images. Previously we have reported that the image quality of semi-insulating GaAs pixel detectors suffer from local variations in X-ray sensitivity. We have now developed a method to compensate for the sensitivity variations by applying suitable offset and gain corrections. The improvement in image quality is demonstrated in the measured signal-to-noise ratio of flood exposure images.

  19. 320x240 GaAs pixel detectors with improved X-ray imaging quality

    International Nuclear Information System (INIS)

    We report on gain and offset corrections for GaAs X-ray pixel detectors, which were hybridised to silicon CMOS readout integrated circuits (ROICs). The whole detector array contains 320x240 square-shaped pixels with a pitch of 38 μm. The GaAs pixel detectors are based on semi-insulating and VPE grown substrates. The ROIC operates in the charge integration mode and provides snapshot as well as real time video images. Previously we have reported that the image quality of semi-insulating GaAs pixel detectors suffer from local variations in X-ray sensitivity. We have now developed a method to compensate for the sensitivity variations by applying suitable offset and gain corrections. The improvement in image quality is demonstrated in the measured signal-to-noise ratio of flood exposure images

  20. Solar irradiance models and measurements: a comparison in the 220 nm to 240 nm wavelength band

    CERN Document Server

    Unruh, Yvonne C; Krivova, Natalie A

    2011-01-01

    Solar irradiance models that assume solar irradiance variations to be due to changes in the solar surface magnetic flux have been successfully used to reconstruct total solar irradiance on rotational as well as cyclical and secular time scales. Modelling spectral solar irradiance is not yet as advanced, and also suffers from a lack of comparison data, in particular on solar-cycle time scales. Here we compare solar irradiance in the 220 nm to 240 nm band as modelled with SATIRE-S and measured by different instruments on the UARS and SORCE satellites. We find good agreement between the model and measurements on rotational time scales. The long-term trends, however, show significant differences. Both SORCE instruments, in particular, show a much steeper gradient over the decaying part of cycle 23 than the modelled irradiance or that measured by UARS/SUSIM.

  1. Induced Fission of $^{240}$Plutonium within a Real-Time Microscopic Framework}

    CERN Document Server

    Bulgac, Aurel; Roche, Kenneth J; Stetcu, Ionel

    2015-01-01

    We describe the fissioning dynamics of $^{240}$Pu from a configuration in the proximity of the outer fission barrier to full scission and the formation of the fragments within an implementation of the Density Functional Theory (DFT) extended to superfluid systems and real-time dynamics. We predict the total kinetic energy released, the average proton and neutron numbers, and the excitation energies of the fission fragments. The fission fragments emerge with properties similar to those determined experimentally, while the fission dynamics appears to be quite complex, with various shape and pairing modes being excited during the evolution. The time scales of the evolution are found to be much slower than previously expected and the role of the collective inertia in the dynamics is found to be negligible.

  2. 17 CFR 240.10b5-1 - Trading “on the basis of” material nonpublic information in insider trading cases.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Trading âon the basis ofâ material nonpublic information in insider trading cases. 240.10b5-1 Section 240.10b5-1 Commodity and... Deceptive Devices and Contrivances § 240.10b5-1 Trading “on the basis of” material nonpublic information...

  3. Radioecologycal study of {sup 239/240}Pu in Bangka Island and Muria Peninsula: Determination of {sup 239/240}Pu in marine sediment and seawater as part of baseline data collecting for sitting of candidates of first Indonesia NPP

    Energy Technology Data Exchange (ETDEWEB)

    Suseno, Heny, E-mail: henis@batan.go.id [Radioactive Waste Technology Center - The Indonesian National Nuclear Energy Agency (Indonesia); Wisnubroto, Djarot S. [The Indonesian National Nuclear Energy Agency (Indonesia)

    2014-03-24

    Radioisotope Pu-239/240 are alpha emitting nuclides important indicators of radioactive contamination of the marine environment. Global fallout is the main source of plutonium in the marine environment. There are very limited study on {sup 239/240}Pu in Indonesia coastal environments. The data of this radioisotopes is needed for baseline data of nuclear power plant (NPP) site candidates both in Bangka Island and Muria Peninsula. Bottom sediments play an important role in radioecological studies of the marine environment because a large proportion of radioactive substances entering the sea is adsorbed over time onto suspended particulate matter and deposited in sediments. Plutonium is particle reactive and deposited in marine sediment. Radioisotope {sup 239/240}Pu was determinated by alpha spectrometry after radiochemical procedure that was performed in both water and marine sediment from Bangka Island and Muria Peninsula. The sediment baseline of concentration {sup 239/240}Pu in Bangka Island and Muria Peninsula were range from 0.013 to 0.021 Bq.kg{sup −1} and 0.018 to 0.024 Bq.kg{sup −1} respectively. The water baseline concentration this isotope were range from 2.73 to 4.05 mBq.m{sup −3} and 2.98 to 4.50 mBq.m{sup −3}.

  4. ZPR-6 assembly 7 high {sup 240}Pu core experiments : a fast reactor core with mixed (Pu,U)-oxide fuel and a centeral high{sup 240}Pu zone.

    Energy Technology Data Exchange (ETDEWEB)

    Lell, R. M.; Morman, J. A.; Schaefer, R.W.; McKnight, R.D.; Nuclear Engineering Division

    2009-02-23

    ZPR-6 Assembly 7 (ZPR-6/7) encompasses a series of experiments performed at the ZPR-6 facility at Argonne National Laboratory in 1970 and 1971 as part of the Demonstration Reactor Benchmark Program (Reference 1). Assembly 7 simulated a large sodium-cooled LMFBR with mixed oxide fuel, depleted uranium radial and axial blankets, and a core H/D near unity. ZPR-6/7 was designed to test fast reactor physics data and methods, so configurations in the Assembly 7 program were as simple as possible in terms of geometry and composition. ZPR-6/7 had a very uniform core assembled from small plates of depleted uranium, sodium, iron oxide, U{sub 3}O{sub 8} and Pu-U-Mo alloy loaded into stainless steel drawers. The steel drawers were placed in square stainless steel tubes in the two halves of a split table machine. ZPR-6/7 had a simple, symmetric core unit cell whose neutronic characteristics were dominated by plutonium and {sup 238}U. The core was surrounded by thick radial and axial regions of depleted uranium to simulate radial and axial blankets and to isolate the core from the surrounding room. The ZPR-6/7 program encompassed 139 separate core loadings which include the initial approach to critical and all subsequent core loading changes required to perform specific experiments and measurements. In this context a loading refers to a particular configuration of fueled drawers, radial blanket drawers and experimental equipment (if present) in the matrix of steel tubes. Two principal core configurations were established. The uniform core (Loadings 1-84) had a relatively uniform core composition. The high {sup 240}Pu core (Loadings 85-139) was a variant on the uniform core. The plutonium in the Pu-U-Mo fuel plates in the uniform core contains 11% {sup 240}Pu. In the high {sup 240}Pu core, all Pu-U-Mo plates in the inner core region (central 61 matrix locations per half of the split table machine) were replaced by Pu-U-Mo plates containing 27% {sup 240}Pu in the plutonium

  5. The inflow of 238Pu and 239+240Pu from the Vistula River catchment area to the Baltic Sea

    International Nuclear Information System (INIS)

    The aim of the work was to estimate plutonium inflow from the Vistula River's catchments area to the Baltic Sea. There were differences in plutonium activities depending on season and sampling site. The highest activities of 238Pu and 239+240Pu were transported from the Vistula River watershed to the Baltic Sea in spring and the lowest in summer. Annually, the southern Baltic Sea is enriched via the Vistula River with 10.3 MBq of 238Pu and 89.0 MBq of 239+240Pu. The enhanced concentration of plutonium in water from the Vistula River is the result of its runoff from the Vistula drainage area, mostly from snowmelt, enhanced rainfalls and leached materials from river bed. - Highlights: → We estimated plutonium inflow from the Vistula River catchment area to the Baltic Sea. → We found differences in Pu activities depending on season and sampling site. → The highest amount of 239 + 240Pu was transported in spring and the lowest in summer. → Annually, the southern Baltic Sea is enriched with 89.0 MBq of 239 + 240Pu. → Enhanced Pu amount in water came from snowmelt, rainfalls and leached materials.

  6. 17 CFR 240.10b5-2 - Duties of trust or confidence in misappropriation insider trading cases.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Duties of trust or confidence... Devices and Contrivances § 240.10b5-2 Duties of trust or confidence in misappropriation insider trading... circumstances in which a person has a duty of trust or confidence for purposes of the “misappropriation”...

  7. Ribosomal protein s6-ps240 is expressed in lesional skin from patients with autoimmune skin blistering diseases

    Directory of Open Access Journals (Sweden)

    Ana Maria Abreu Velez

    2013-01-01

    Full Text Available Background: The in situ signaling transduction within skin biopsies from patients affected by autoimmune skin blistering diseases is not well-characterized. Aim : In autoimmune skin blistering diseases, autoantibodies seem to trigger several intracellular signaling pathways and we investigated the presence of the phosphorylated form of ribosomal protein S6-pS240 within autoimmune skin blistering diseases biopsies. Materials and Methods: We utilized immunohistochemistry to evaluate the presence of S6-pS240 in lesional skin biopsies of patients affected by autoimmune skin blistering diseases including patients with an endemic and nonendemic pemphigus foliaceus (non EPF, with bullous pemphigoid (BP, pemphigus vulgaris (PV, dermatitis herpetiformis (DH, and the respective controls. Results: Most autoimmune bullous skin diseases biopsies stained positive for S6-pS240 around lesional blisters, including adjacent areas of the epidermis; and within upper dermal inflammatory infiltrates, and/or mesenchymal-endothelial cell junctions within the dermis. Conclusions: We document that S6-pS240 is expressed in lesional areas of skin biopsies from patients with autoimmune skin blistering diseases, as well as on eccrine glands and piloerector muscles. Thus, the role of this molecule in autoimmune skin blistering diseases warrants further study.

  8. 17 CFR 240.17a-4 - Records to be preserved by certain exchange members, brokers and dealers.

    Science.gov (United States)

    2010-04-01

    ... created pursuant to § 240.17a-3(f). (2) All check books, bank statements, cancelled checks and cash reconciliations. (3) All bills receivable or payable (or copies thereof), paid or unpaid, relating to the business... capital (and working papers in connection therewith), financial statements, branch office...

  9. 33 CFR 334.240 - Potomac River, Mattawoman Creek and Chicamuxen Creek; U.S. Naval Surface Weapons Center, Indian...

    Science.gov (United States)

    2010-07-01

    ..., DEPARTMENT OF DEFENSE DANGER ZONE AND RESTRICTED AREA REGULATIONS § 334.240 Potomac River, Mattawoman Creek... shore of Mattawoman Creek to the pilings remaining from the footbridge connecting the left bank of the... Mattawoman Creek from the pilings remaining from the footbridge to the mouth of the creek; thence in...

  10. 17 CFR 240.17i-4 - Internal risk management control system requirements for supervised investment bank holding...

    Science.gov (United States)

    2010-04-01

    ... Supervised Investment Bank Holding Company Rules § 240.17i-4 Internal risk management control system...) As part of its internal risk management control system, a supervised investment bank holding company... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Internal risk...

  11. 17 CFR 240.15c3-4 - Internal risk management control systems for OTC derivatives dealers.

    Science.gov (United States)

    2010-04-01

    ...-Counter Markets § 240.15c3-4 Internal risk management control systems for OTC derivatives dealers. (a) An... derivatives dealer's internal risk management control system shall include the following elements: (1) A risk control unit that reports directly to senior management and is independent from business trading units;...

  12. 17 CFR 240.17a-25 - Electronic submission of securities transaction information by exchange members, brokers, and...

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Electronic submission of... Preservation of Records and Reports of Certain Stabilizing Activities § 240.17a-25 Electronic submission of... transaction information for transactions involving entities that trade using multiple accounts: (1)(i) If...

  13. Assessing the Impact of 240-Credit-Hour Programme for Urban Primary School Teachers of English in China

    Science.gov (United States)

    Ping, Wang

    2013-01-01

    This action research explores a 240-credit-hour training programme in urban Chinese primary school educational settings. A survey of 90 primary school teachers of English was conducted via classroom observation and questionnaires focusing on their reflection on the training programme. Analyses of variance were applied by comparison and contrast.…

  14. Measurement of fallout radionuclides, (239)(,240)Pu and (137)Cs, in soil and creek sediment: Sydney Basin, Australia.

    Science.gov (United States)

    Smith, B S; Child, D P; Fierro, D; Harrison, J J; Heijnis, H; Hotchkis, M A C; Johansen, M P; Marx, S; Payne, T E; Zawadzki, A

    2016-01-01

    Soil and sediment samples from the Sydney basin were measured to ascertain fallout radionuclide activity concentrations and atom ratios. Caesium-137 ((137)Cs) was measured using gamma spectroscopy, and plutonium isotopes ((239)Pu and (240)Pu) were quantified using accelerator mass spectrometry (AMS). Fallout radionuclide activity concentrations were variable ranging from 0.6 to 26.1 Bq/kg for (137)Cs and 0.02-0.52 Bq/kg for (239+240)Pu. Radionuclides in creek sediment samples were an order of magnitude lower than in soils. (137)Cs and (239+240)Pu activity concentration in soils were well correlated (r(2) = 0.80) although some deviation was observed in samples collected at higher elevations. Soil ratios of (137)Cs/(239+240)Pu (decay corrected to 1/1/2014) ranged from 11.5 to 52.1 (average = 37.0 ± 12.4) and showed more variability than previous studies. (240)Pu/(239)Pu atom ratios ranged from 0.117 to 0.165 with an average of 0.146 (±0.013) and an error weighted mean of 0.138 (±0.001). These ratios are lower than a previously reported ratio for Sydney, and lower than the global average. However, these ratios are similar to those reported for other sites within Australia that are located away from former weapons testing sites and indicate that atom ratio measurements from other parts of the world are unlikely to be applicable to the Australian context.

  15. Corrective Action Decision Document for Corrective Action Unit 240: Area 25 Vehicle Washdown, Nevada Test Site, Nevada

    International Nuclear Information System (INIS)

    This Corrective Action Decision Document identifies and rationalizes the U.S. Department of Energy, Nevada Operations Offices's selection of a recommended corrective action alternative (CAA) appropriate to facilitate the closure of Corrective Action Unit (CAU) 240: Area 25 Vehicle Washdown, Nevada Test Site, Nevada. This corrective action investigation was conducted in accordance with the Corrective Action Investigation Plan for CAU 240 as developed under the Federal Facility Agreement and Consent Order. Located in Area 25 at the Nevada Test Site in Nevada, CAU 240 is comprised of three Corrective Action Sites (CASs): 25-07-01, Vehicle Washdown Area (Propellant Pad); 25-07-02, Vehicle Washdown Area (F and J Roads Pad); and 25-07-03, Vehicle Washdown Station (RADSAFE Pad). In March 1999, the corrective action investigation was performed to detect and evaluate analyte concentrations against preliminary action levels (PALs) to determine contaminants of concern (COCs). There were no COCs identified at CAS 25-07-01 or CAS 25-07-03; therefore, there was no need for corrective action at these two CASs. At CAS 25-07-02, diesel-range organics and radionuclide concentrations in soil samples from F and J Roads Pad exceeded PALs. Based on this result, potential CAAs were identified and evaluated to ensure worker, public, and environmental protection against potential exposure to COCs in accordance with Nevada Administrative Code 445A. Following a review of potential exposure pathways, existing data, and future and current operations in Area 25, two CAAs were identified for CAU 240 (CAS 25-07-02): Alternative 1 - No Further Action and Alternative 2 - Clean Closure by Excavation and Disposal. Alternative 2 was identified as the preferred alternative. This alternative was judged to meet all requirements for the technical components evaluated, compliance with all applicable state and federal regulations for closure of the site, as well as minimizing potential future exposure

  16. Measurement of fallout radionuclides, (239)(,240)Pu and (137)Cs, in soil and creek sediment: Sydney Basin, Australia.

    Science.gov (United States)

    Smith, B S; Child, D P; Fierro, D; Harrison, J J; Heijnis, H; Hotchkis, M A C; Johansen, M P; Marx, S; Payne, T E; Zawadzki, A

    2016-01-01

    Soil and sediment samples from the Sydney basin were measured to ascertain fallout radionuclide activity concentrations and atom ratios. Caesium-137 ((137)Cs) was measured using gamma spectroscopy, and plutonium isotopes ((239)Pu and (240)Pu) were quantified using accelerator mass spectrometry (AMS). Fallout radionuclide activity concentrations were variable ranging from 0.6 to 26.1 Bq/kg for (137)Cs and 0.02-0.52 Bq/kg for (239+240)Pu. Radionuclides in creek sediment samples were an order of magnitude lower than in soils. (137)Cs and (239+240)Pu activity concentration in soils were well correlated (r(2) = 0.80) although some deviation was observed in samples collected at higher elevations. Soil ratios of (137)Cs/(239+240)Pu (decay corrected to 1/1/2014) ranged from 11.5 to 52.1 (average = 37.0 ± 12.4) and showed more variability than previous studies. (240)Pu/(239)Pu atom ratios ranged from 0.117 to 0.165 with an average of 0.146 (±0.013) and an error weighted mean of 0.138 (±0.001). These ratios are lower than a previously reported ratio for Sydney, and lower than the global average. However, these ratios are similar to those reported for other sites within Australia that are located away from former weapons testing sites and indicate that atom ratio measurements from other parts of the world are unlikely to be applicable to the Australian context. PMID:26344369

  17. Suitability of 239+240Pu and 137Cs as tracers for soil erosion assessment in mountain grasslands.

    Science.gov (United States)

    Alewell, Christine; Meusburger, Katrin; Juretzko, Gregor; Mabit, Lionel; Ketterer, Michael E

    2014-05-01

    Anthropogenic radionuclides have been distributed globally due to nuclear weapons testing, nuclear accidents, nuclear weapons fabrication, and nuclear fuel reprocessing. While the negative consequences of this radioactive contamination are self-evident, the ubiquitous fallout radionuclides (FRNs) distribution form the basis for the use as tracers in ecological studies, namely for soil erosion assessment. Soil erosion is a major threat to mountain ecosystems worldwide. We compare the suitability of the anthropogenic FRNs, 137Cs and 239+240Pu as soil erosion tracers in two alpine valleys of Switzerland (Urseren Valley, Canton Uri, Central Swiss Alps and Val Piora, Ticino, Southern Alps). We sampled reference and potentially erosive sites in transects along both valleys. 137Cs measurements of soil samples were performed with a Li-drifted Germanium detector and 239+240Pu with ICP-MS. Our data indicates a heterogeneous deposition of the 137Cs, since most of the fallout origins from the Chernobyl April/May 1986 accident, when large parts of the European Alps were still snow-covered. In contrast, 239+240Pu fallout originated mainly from 1950s to 1960s atmospheric nuclear weapons tests, resulting in a more homogenous distribution and thus seems to be a more suitable tracer in mountainous grasslands. Soil erosion assessment using 239+240Pu as a tracer pointed to a huge dynamic and high heterogeneity of erosive processes (between sedimentation of 1.9 and 7 t ha(-1) yr(-1) and erosion of 0.2-16.4 t ha(-1) yr(-1) in the Urseren Valley and sedimentation of 0.4-20.3 t ha(-1) yr(-1) and erosion of 0.1-16.4 t ha(-1) yr(-1) at Val Piora). Our study represents a novel and successful application of 239+240Pu as a tracer of soil erosion in a mountain environment. PMID:24374184

  18. 17 CFR 240.14e-3 - Transactions in securities on the basis of material, nonpublic information in the context of...

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Transactions in securities on the basis of material, nonpublic information in the context of tender offers. 240.14e-3 Section 240... information in the context of tender offers. (a) If any person has taken a substantial step or steps...

  19. 17 CFR 240.15g-3 - Broker or dealer disclosure of quotations and other information relating to the penny stock market.

    Science.gov (United States)

    2010-04-01

    ... purchases. (C) If the dealer's bid or offer prices to the customer do not satisfy the criteria of paragraphs... CFR 240.10b-10 of this chapter. (2) A broker or dealer, at the time of making the disclosure pursuant... such disclosure for the period specified in 17 CFR 240.17a-4(b). (c) Definitions. For purposes of...

  20. 17 CFR 240.15c3-1f - Optional market and credit risk requirements for OTC derivatives dealers (Appendix F to 17 CFR...

    Science.gov (United States)

    2010-04-01

    ... control systems as described in its application, including any material change in the categories of non... measures must include the risks arising from the non-linear price characteristics of options positions and... risk requirements for OTC derivatives dealers (Appendix F to 17 CFR 240.15c3-1). 240.15c3-1f...

  1. A 240-channel thick film multi-chip module for readout of silicon drift detectors

    Science.gov (United States)

    Lynn, D.; Bellwied, R.; Beuttenmueller, R.; Caines, H.; Chen, W.; DiMassimo, D.; Dyke, H.; Elliott, D.; Grau, M.; Hoffmann, G. W.; Humanic, T.; Jensen, P.; Kleinfelder, S. A.; Kotov, I.; Kraner, H. W.; Kuczewski, P.; Leonhardt, B.; Li, Z.; Liaw, C. J.; LoCurto, G.; Middelkamp, P.; Minor, R.; Mazeh, N.; Nehmeh, S.; O'Conner, P.; Ott, G.; Pandey, S. U.; Pruneau, C.; Pinelli, D.; Radeka, V.; Rescia, S.; Rykov, V.; Schambach, J.; Sedlmeir, J.; Sheen, J.; Soja, B.; Stephani, D.; Sugarbaker, E.; Takahashi, J.; Wilson, K.; STAR-SVT Collaboration

    2000-01-01

    We have developed a thick film multi-chip module for readout of silicon drift (or low capacitance ˜200 fF) detectors. Main elements of the module include a custom 16-channel NPN-BJT preamplifier-shaper (PASA) and a custom 16-channel CMOS Switched Capacitor Array (SCA). The primary design criteria of the module were the minimizations of the power (12 mW/channel), noise (ENC=490 e - rms), size (20.5 mm×63 mm), and radiation length (1.4%). We will discuss various aspects of the PASA design, with emphasis on the preamplifier feedback network. The SCA is a modification of an integrated circuit that has been previously described [1]; its design features specific to its application in the SVT (Silicon Vertex Tracker in the STAR experiment at RHIC) will be discussed. The 240-channel multi-chip module is a circuit with five metal layers fabricated in thick film technology on a beryllia substrate and contains 35 custom and commercial integrated circuits. It has been recently integrated with silicon drift detectors in both a prototype system assembly for the SVT and a silicon drift array for the E896 experiment at the Alternating Gradient Synchrotron at the Brookhaven National Laboratory. We will discuss features of the module's design and fabrication, report the test results, and emphasize its performance both on the bench and under experimental conditions.

  2. A microrod-resonator Brillouin laser with 240 Hz absolute linewidth

    CERN Document Server

    Loh, William; Cole, Daniel C; Coillet, Aurelien; Baynes, Fred N; Papp, Scott B; Diddams, Scott A

    2015-01-01

    We demonstrate an ultralow-noise microrod-resonator based laser that oscillates on the gain supplied by the stimulated Brillouin scattering optical nonlinearity. Microresonator Brillouin lasers are known to offer an outstanding frequency noise floor, which is limited by fundamental thermal fluctuations. Here, we show experimental evidence that thermal effects also dominate the close-to-carrier frequency fluctuations. The 6-mm diameter microrod resonator used in our experiments has a large optical mode area of ~100 {\\mu}m$^2$, and hence its 10 ms thermal time constant filters the close-to-carrier optical frequency noise. The result is an absolute laser linewidth of 240 Hz with a corresponding white-frequency noise floor of 0.1 Hz$^2$/Hz. We explain the steady-state performance of this laser by measurements of its operation state and of its mode detuning and lineshape. Our results highlight a mechanism for noise that is common to many microresonator devices due to the inherent coupling between intracavity power...

  3. Enhancement of Real-Time THz Imaging System Based on 320 × 240 Uncooled Microbolometer Detector

    Science.gov (United States)

    Zheng, Xing; Wu, Zhiming; Gou, Jun; Liu, Ziji; Wang, Jun; Zheng, Jie; Luo, Zhenfei; Chen, Weiqing; Que, Longcheng; Jiang, Yadong

    2016-05-01

    A real-time terahertz (THz) imaging system was demonstrated based on a 320 × 240 uncooled microbolometer detector combined with a 2.52 THz far-infrared CO2 laser. On the top of micro-bridge structure (35 × 35 μm2), a 10 nm nickel-chromium (NiCr) thin film was deposited to enhance THz absorption, which was fabricated by a combined process of magnetron sputtering and reactive ion etching (RIE). By mechanical simulation using design of experiment (DOE) method, the minimum deformation was optimized to 0.0385 μm, and a measured deformation of 0.097 μm was achieved in the fabrication. The fabricated micro-bridge pixel was used for THz detection, and a responsivity of 1235 V/W was achieved with a noise equivalent power (NEP) of 87.4 pW/Hz1/2. THz imaging of metal gasket covered by label paper, paper clip in an envelope, and watermark of a banknote was demonstrated by a combination of histogram equalization (HE) and linear enhancement algorithm.

  4. Application of fast-digitizer card Acqiris DP-240 in positron lifetime spectroscopy

    Energy Technology Data Exchange (ETDEWEB)

    Petriska, Martin; Slugen, Vladimir; Krsjak, Vladimir; Sojak, Stanislav [Slovak University of Technology, FEI, Bratislava (Slovakia); Zeman, Andrej; Debarberis, Luigi [European Commission, Joint Research Centre, Institute for Energy, Petten (Netherlands)

    2009-11-15

    Based on the available knowledge base in positron annihilation measurements, new software for digital positron lifetime spectrometry has been designed within the frame of joint activity between STU Bratislava and JRC Petten. The tests of the new positron digital-life time setup have been carried out. Detectors with BaF{sub 2} scintillators and fast-dynode outputs were chosen for such studies. As the digitiser unit, the card Acqiris DP240 was fully tested. Originally, start and stop timing signals were sampled to digital waveforms separately at a rate of 1 GS/s in 8 bit resolution. However, due to limited quality of collected waveforms which significantly affected post-processing of data, the joined delayed channel mode with 2 GS/s sampling rate was applied for further studies. The full setup was benchmarked by a series of calibration measurements of two high purity materials, specifically Si and Ni. The inter-comparison of conventional analogue- and digital-based processing are discussed in detail. Further, the optimisation of main parameters for waveform-processing are analysed too. Such a new approach in the digital life-time spectroscopy will help to improve the resolution of existing methodology which might enhance the capabilities of this technique for further applications, especially in materials science. (copyright 2009 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) (orig.)

  5. Design of a 16 gray scales 320×240 pixels OLED-on-silicon driving circuit

    Institute of Scientific and Technical Information of China (English)

    Huang Ran; Wang Xiaohui; Wang Wenbo; Du Huan; Han Zhengsheng

    2009-01-01

    A 320×240 pixel organic-light-emitting-diode-on-silicon (OLEDoS) driving circuit is implemented using the standard 0.5 μm CMOS process of CSMC. It gives 16 gray scales with integrated 4 bit D/A converters. A three-transistor voltage-programmed OLED pixel driver is proposed, which can realize the very small current driving required for the OLEDoS microdisplay. Both the D/A converter and the pixel driver are implemented with pMOS devices. The pass-transistor and capacitance in the OLED pixel driver can be used to sample the output of the D/A converter. An additional pMOS is added to OLED pixel driver, which is used to control the D/A converter operating only when one row is on. This can reduce the circuit's power consumption. This driving circuit can work properly in a frame frequency of 50 Hz, and the final layout of this circuit is given. The pixel area is 28.4×28.4 μm2 and the display area is 10.7×8.0 mm2 (the diagonal is about 13 mm). The measured pixel gray scale voltage shows that the function of the driver circuit is correct, and the power consumption of the chip is about 350 mW.

  6. Fission dynamics of 240Cf* formed in 34,36S induced reactions

    Directory of Open Access Journals (Sweden)

    Jain Deepika

    2015-01-01

    Full Text Available We have studied the entrance channel effects in the decay of Compound nucleus 240Cf* formed in 34S+206Pb and 36S+204Pb reactions by using energy density dependent nuclear proximity potential in the framework of dynamical cluster-decay model (DCM. At different excitation energies, the fragmentation potential and preformation probability of decaying fragments are almost identical for both the entrance channels, which seem to suggest that decay is independent of its formation and entrance channel excitation energy. It is also observed that, with inclusion of deformation effects upto quadrupole within the optimum orientation approach, the fragmentation path governing potential energy surfaces gets modified significantly. Beside this, the fission mass distribution of Cf* isotopes is also investigated. The calculated fission cross-sections using SIII force for both the channels find nice agreement with the available experimental data for deformed choice of fragments, except at higher energies. In addition to this, the comparative analysis with Blocki based nuclear attraction is also worked out. It is observed that Blocki proximity potential accounts well for the CN decay at all energies whereas the use of EDF based nuclear potential suggests the presence of some non-compound nucleus process (such as quasi-fission (qf at higher energies.

  7. A 240-channel thick film multi-chip module for readout of silicon drift detectors

    International Nuclear Information System (INIS)

    We have developed a thick film multi-chip module for readout of silicon drift (or low capacitance ∼200 fF) detectors. Main elements of the module include a custom 16-channel NPN-BJT preamplifier-shaper (PASA) and a custom 16-channel CMOS Switched Capacitor Array (SCA). The primary design criteria of the module were the minimizations of the power (12 mW/channel), noise (ENC=490 e- rms), size (20.5 mmx63 mm), and radiation length (1.4%). We will discuss various aspects of the PASA design, with emphasis on the preamplifier feedback network. The SCA is a modification of an integrated circuit that has been previously described [1]; its design features specific to its application in the SVT (Silicon Vertex Tracker in the STAR experiment at RHIC) will be discussed. The 240-channel multi-chip module is a circuit with five metal layers fabricated in thick film technology on a beryllia substrate and contains 35 custom and commercial integrated circuits. It has been recently integrated with silicon drift detectors in both a prototype system assembly for the SVT and a silicon drift array for the E896 experiment at the Alternating Gradient Synchrotron at the Brookhaven National Laboratory. We will discuss features of the module's design and fabrication, report the test results, and emphasize its performance both on the bench and under experimental conditions

  8. Deep Broadband Observations of the Distant Gamma-ray Blazar PKS 1424+240

    CERN Document Server

    Archambault, S; Behera, B; Beilicke, M; Benbow, W; Berger, K; Bird, R; Biteau, J; Bugaev, V; Byrum, K; Cardenzana, J V; Cerruti, M; Chen, X; Ciupik, L; Connolly, M P; Cui, W; Dumm, J; Errando, M; Falcone, A; Federici, S; Feng, Q; Finley, J P; Fleischhack, H; Fortson, L; Furniss, A; Galante, N; Gillanders, G H; Griffin, S; Griffiths, S T; Grube, J; Gyuk, G; Hanna, D; Holder, J; Hughes, G; Humensky, T B; Johnson, C A; Kaaret, P; Kertzman, M; Khassen, Y; Kieda, D; Krawczynski, H; Krennrich, F; Kumar, S; Lang, M J; Madhavan, A S; Maier, G; McCann, A; Meagher, K; Moriarty, P; Mukherjee, R; Nieto, D; de Bhroithe, A O'Faolain; Ong, R A; Otte, A N; Park, N; Pohl, M; Popkow, A; Prokoph, H; Quinn, J; Ragan, K; Rajotte, J; Reyes, L C; Reynolds, P T; Richards, G T; Roache, E; Sembroski, G H; Shahinyan, K; Staszak, D; Telezhinsky, I; Tucci, J V; Tyler, J; Varlotta, A; Vassiliev, V V; Vincent, S; Wakely, S P; Weinstein, A; Welsing, R; Wilhelm, A; Williams, D A; Ackermann, M; Ajello, M; Albert, A; Baldini, L; Bastieri, D; Bellazzini, R; Bissaldi, E; Bregeon, J; Buehler, R; Buson, S; Caliandro, G A; Cameron, R A; Caraveo, P A; Cavazzuti, E; Charles, E; Chiang, J; Ciprini, S; Claus, R; Cutini, S; D'Ammando, F; de Angelis, A; de Palma, F; Dermer, C D; Digel, S W; Di Venere, L; Drell, P S; Favuzzi, C; Franckowiak, A; Fusco, P; Gargano, F; Gasparrini, D; Giglietto, N; Giordano, F; Giroletti, M; Grenier, I A; Guiriec, S; Jogler, T; Kuss, M; Larsson, S; Latronico, L; Longo, F; Loparco, F; Lubrano, P; Madejski, G M; Mayer, M; Mazziotta, M N; Michelson, P F; Mizuno, T; Monzani, M E; Morselli, A; Murgia, S; Nuss, E; Ohsugi, T; Ormes, J F; Perkins, J S; Piron, F; Pivato, G; Raino, S; Razzano, M; Reimer, A; Reimer, O; Ritz, S; Schaal, M; Sgro, C; Siskind, E J; Spinelli, P; Takahashi, H; Tibaldo, L; Tinivella, M; Troja, E; Vianello, G; Werner, M; Wood, M

    2014-01-01

    We present deep VERITAS observations of the blazar PKS 1424+240, along with contemporaneous Fermi Large Area Telescope, Swift X-ray Telescope and Swift UV Optical Telescope data between 2009 February 19 and 2013 June 8. This blazar resides at a redshift of $z\\ge0.6035$, displaying a significantly attenuated gamma-ray flux above 100 GeV due to photon absorption via pair-production with the extragalactic background light. We present more than 100 hours of VERITAS observations from three years, a multiwavelength light curve and the contemporaneous spectral energy distributions. The source shows a higher flux of (2.1$\\pm0.3$)$\\times10^{-7}$ ph m$^{-2}$s$^{-1}$ above 120 GeV in 2009 and 2011 as compared to the flux measured in 2013, corresponding to (1.02$\\pm0.08$)$\\times10^{-7}$ ph m$^{-2}$s$^{-1}$ above 120 GeV. The measured differential very high energy (VHE; $E\\ge100$ GeV) spectral indices are $\\Gamma=$3.8$\\pm$0.3, 4.3$\\pm$0.6 and 4.5$\\pm$0.2 in 2009, 2011 and 2013, respectively. No significant spectral change...

  9. SEGUE: A Spectroscopic Survey of 240,000 stars with g=14-20

    Energy Technology Data Exchange (ETDEWEB)

    Yanny, Brian; /Fermilab; Rockosi, Constance; /UC, Santa Cruz; Newberg, Heidi Jo; /Rensselaer Poly.; Knapp, Gillian R.; /Princeton U.; Adelman-McCarthy, Jennifer K.; /Fermilab; Alcorn, Bonnie; /Fermilab; Allam, Sahar S.; /Fermilab; Prieto, Carlos Allende; /Texas U. /University Coll. London; An, Deokkeun; /Ohio State U.; Anderson, Kurt S.J.; /Apache Point Observ. /New Mexico State U.; Anderson, Scott; /Washington U., Seattle

    2009-02-01

    The Sloan Extension for Galactic Understanding and Exploration (SEGUE) Survey obtained {approx}240,000 moderate-resolution (R {approx} 1800) spectra from 3900 {angstrom} to 9000 {angstrom} of fainter Milky Way stars (14.0 < g < 20.3) of a wide variety of spectral types, both main-sequence and evolved objects, with the goal of studying the kinematics and populations of our Galaxy and its halo. The spectra are clustered in 212 regions spaced over three quarters of the sky. Radial velocity accuracies for stars are {sigma}(RV) {approx} 4 km s{sup -1} at g < 18, degrading to {sigma}(RV) {approx} 15 km s{sup -1} at g {approx} 20. For stars with signal-to-noise ratio >10 per resolution element, stellar atmospheric parameters are estimated, including metallicity, surface gravity, and effective temperature. SEGUE obtained 3500 deg{sup 2} of additional ugriz imaging (primarily at low Galactic latitudes) providing precise multicolor photometry ({sigma}(g, r, i) {approx} 2%), ({sigma}(u, z) {approx} 3%) and astrometry ({approx}0.1) for spectroscopic target selection. The stellar spectra, imaging data, and derived parameter catalogs for this survey are publicly available as part of Sloan Digital Sky Survey Data Release 7.

  10. Widespread pollution of the South American atmosphere predates the industrial revolution by 240 y.

    Science.gov (United States)

    Uglietti, Chiara; Gabrielli, Paolo; Cooke, Colin A; Vallelonga, Paul; Thompson, Lonnie G

    2015-02-24

    In the Southern Hemisphere, evidence for preindustrial atmospheric pollution is restricted to a few geological archives of low temporal resolution that record trace element deposition originating from past mining and metallurgical operations in South America. Therefore, the timing and the spatial impact of these activities on the past atmosphere remain poorly constrained. Here we present an annually resolved ice core record (A.D. 793-1989) from the high-altitude drilling site of Quelccaya (Peru) that archives preindustrial and industrial variations in trace elements. During the precolonial period (i.e., pre-A.D. 1532), the deposition of trace elements was mainly dominated by the fallout of aeolian dust and of ash from occasional volcanic eruptions, indicating that metallurgic production during the Inca Empire (A.D. 1438-1532) had a negligible impact on the South American atmosphere. In contrast, a widespread anthropogenic signal is evident after around A.D. 1540, which corresponds with the beginning of colonial mining and metallurgy in Peru and Bolivia, ∼240 y before the Industrial Revolution. This shift was due to a major technological transition for silver extraction in South America (A.D. 1572), from lead-based smelting to mercury amalgamation, which precipitated a massive increase in mining activities. However, deposition of toxic trace metals during the Colonial era was still several factors lower than 20th century pollution that was unprecedented over the entirety of human history.

  11. Analysis of 6Li Scattering at 240 MeV Using Different Nuclear Potentials

    Science.gov (United States)

    Al-Ghamdi, A. H.; Ibraheem, Awad A.

    2016-06-01

    Angular distributions of the elastic and inelastic scattering cross sections of 6Li projectile on different heavy ion target nuclei including the 24Mg, 28Si, 48Ca, 58Ni, 90Zr, and 116Sn at energy of 240 MeV have been analyzed by using two different folded potentials based on the CDM3Y6 and São Paulo potentials for the real part of the optical potential, while the imaginary parts have a phenomenological Woods-Saxon shape. Coupled channel calculations for the low-lying 2+ state at 1.369, 1.779, 3.832, 1.454, 2.186, and 1.29 MeV for 24Mg, 28Si, 48Ca, 58Ni, 90Zr, and 116Sn, respectively, have been carried out, and the best fit values for B(EL) with the above models have been extracted by fitting the inelastic scattering cross section and compared with the values of previous works. The total reaction cross section and real and imaginary volume integrals have also been investigated.

  12. Residual strain, scale effects, and time-dependent behaviour at the 240-m level of the underground research laboratory

    International Nuclear Information System (INIS)

    Two subhorizontal, orthogonal boreholes were monitored continuously during concentric overcoring at the 240-m level of the Underground Research Laboratory (URL). The magnitude and orientation of principal residual strain components in the near-field stress regime were determined assuming linear elastic behaviour of the rock mass and isotropic conditions. In terms of magnitude, results compared favourably with those from previous tests at the 240-m level. However, orientation results were inconclusive. The effects of scale and borehole orientation relative to the principal stress direction on the results from a modified CSIR triaxial cell overcore test were also investigated; no scale effects were apparent in the experiment, but borehole orientation did affect results. Finally, time-dependent behaviour was detected in the Lac du Bonnet granite, and was monitored between successive overcore tests in one of the boreholes. Results on residual strain, scale effects, and time-dependent behaviour are presented, along with limitations and possible modifications to the testing procedure

  13. Assessment of 238Pu and 239+240Pu, in marine sediments of the oceans Atlantic and Pacific of Guatemala

    International Nuclear Information System (INIS)

    In this investigation samples of marine sediments were taken from 14 places representatives of the oceans coast of Guatemala. For the assesment of 238Pu and 239+240Pu in sediments a radiochemical method was used to mineralize sediments and by ionic interchange it was separated from other elements, after that an electrodeposition of plutonium was made in metallic discs. The radioactivity of plutonium was measured by alpha spectrometry system and the alpha spectrums were obtained. The levels of plutonium are not higher than other countries that shown contamination. The contamination of isotope of 239+240Pu is higher than 238Pu and the contamination by two isotopes of plutonium is higher in the Atlantic than the Pacific ocean

  14. Complete genome sequence of the complex carbohydrate-degrading marine bacterium, Saccharophagus degradans strain 2-40 T.

    Directory of Open Access Journals (Sweden)

    Ronald M Weiner

    2008-05-01

    Full Text Available The marine bacterium Saccharophagus degradans strain 2-40 (Sde 2-40 is emerging as a vanguard of a recently discovered group of marine and estuarine bacteria that recycles complex polysaccharides. We report its complete genome sequence, analysis of which identifies an unusually large number of enzymes that degrade >10 complex polysaccharides. Not only is this an extraordinary range of catabolic capability, many of the enzymes exhibit unusual architecture including novel combinations of catalytic and substrate-binding modules. We hypothesize that many of these features are adaptations that facilitate depolymerization of complex polysaccharides in the marine environment. This is the first sequenced genome of a marine bacterium that can degrade plant cell walls, an important component of the carbon cycle that is not well-characterized in the marine environment.

  15. Closure Report for Corrective Action Unit 240: Area 25 Vehicle Washdown Nevada Test Site, Nevada

    Energy Technology Data Exchange (ETDEWEB)

    D. L. Gustafason

    2001-03-01

    The Area 25 Vehicle Washdown, Corrective Action Unit (CAU) 240, was clean-closed following the approved Corrective Action Decision Document closure alternative and in accordance with the Federal Facility Agreement and Consent Order (FFACO, 1996). The CAU consists of thee Corrective Action Sites (CASs): 25-07-01 - Vehicle Washdown Area (Propellant Pad); 25-07-02 - Vehicle Washdown Area (F and J Roads Pad); and 25-07-03 - Vehicle Washdown Station (RADSAFE Pad). Characterization activities indicated that only CAS 25-07-02 (F and J Roads Pad) contained constituents of concern (COCs) above action levels and required remediation. The COCs detected were Total Petroleum Hydrocarbons (TPH) as diesel, cesium-137, and strontium-90. The F and J Roads Pad may have been used for the decontamination of vehicles and possibly disassembled engine and reactor parts from Test Cell C. Activities occurred there during the 1960s through early 1970s. The F and J Roads Pad consisted of a 9- by 5-meter (m) (30- by 15-foot [ft]) concrete pad and a 14- by 13-m (46-by 43-ft) gravel sump. The clean-closure corrective action consisted of excavation, disposal, verification sampling, backfilling, and regrading. Closure activities began on August 21, 2000, and ended on September 19, 2000. Waste disposal activities were completed on December 12, 2000. A total of 172 cubic meters (223 cubic yards) of impacted soil was excavated and disposed. The concrete pad was also removed and disposed. Verification samples were collected from the bottom and sidewalls of the excavation and analyzed for TPH diesel and 20-minute gamma spectroscopy. The sample results indicated that all impacted soil above remediation standards was removed. The closure was completed following the approved Corrective Action Plan. All impacted waste was disposed in the Area 6 Hydrocarbon Landfill. All non-impacted debris was disposed in the Area 9 Construction Landfill and the Area 23 Sanitary Landfill.

  16. Pb-210 and Pu-239,240 in nearshore Gulf of Mexico sediments

    International Nuclear Information System (INIS)

    Pb-210, Ra-226, and Pu-239,240 activities were measured in nearshore Gulf of Mexico sediments. Sediment cores were collected from the Mississippi delta, and the western Gulf of Mexico shelf. Mississippi delta cores which exhibit significantly higher sedimentation rates show larger inventories of Pb-210. The measured Pu levels from the western shelf are lower than from the delta at comparable depths. In three of the western shelf cores, the observed Pu inventory is considerably less than predicted from atmospheric flux. Therefore, Pu is not being removed to the sediment, or is being released following deposition. A key difference between these isotopes is that Pu exists in a less particle-reactive state. The ratio of excess Pb-210 to Pu levels increases with water depth in the delta and the western shelf. Water depth acts as an integrator of depth-sensitive processes. Pu scavenging is more sensitive to these processes. A sub-surface Pu maximum has been observed. Excess Pb-210 and Pu levels correlate well with sedimentation rates. This suggests that particle flux is important in removal of Pb-210 and Pu to the sediment. The flux of Mn out of the sediment is correlated with inventory data, suggesting that redox cycling of Mn may play a role in increasing Pb-210 and Pu sediment inventories. It is unclear whether the effects of increased sedimentation rates and increased Mn fluxes can be evaluated independently. Mixing of surface sediment correlates with inventory data. Increased sediment mixing allows for additional scavenging of Pb-210 and Pu from overlying waters. Mixing of sediment at depths below the mixed surface layer may play a role in increasing sediment inventories of Pb-210 and Pu

  17. Comparison of evaluations for 235U, 239Pu, 240Pu, 241Pu and 242Pu with integral measurements

    International Nuclear Information System (INIS)

    The evaluations for 235U, 239Pu, 240Pu, 241Pu and 242Pu are considered. Intercomparison is made of the neutron cross section data from INDL/A, ENDL-84, ENDF/B-5 and ENDF/B-6 (where applicable). Integral measurements of the spectrum averaged cross sections are compared to the values derived from evaluated data libraries. (author). 40 refs, 49 figs, 11 tabs

  18. L655,240, acting as a competitive BACE1 inhibitor,efficiently decreases β-amyloid peptide production in HEK293-APPswe cells

    Institute of Scientific and Technical Information of China (English)

    Qin LU; Wu-yan CHEN; Zhi-yuan ZHU; Jing CHEN; Ye-chun XU; Morakot KAEWPET; Vatcharin RUKACHAISIRIKUL; Li-li CHEN; Xu SHEN

    2012-01-01

    Aim: To identify a small molecule L655,240 as a novel β-secretase (BACE1) inhibitor and to investigate its effects on β-amyloid (Aβ)generation in vitro.Methods: Fluorescence resonance energy transfer (FRET) was used to characterize the inhibitory effect of L655,240 on BACE1.Surface plasmon resonance (SPR) technology-based assay was performed to study the binding affinity of L655,240 for BACE1.The selectivity of L655,240 toward BACE1 over other aspartic proteases was determined with enzymatic assay.The effects of L655,240 on Aβ40,Aβ42,and sAPPβ production were studied in HEK293 cells stably expressing APP695 Swedish mutantK595N/M596L (HEK293-APPswe cells).The activities of BACE1,ν-secretase and α-secretase were assayed,and both the mRNA and protein levels of APP and BACE1 were evaluated using real-time PCR (RT-PCR) and Western blot analysis.Results: L655,240 was determined to be a competitive,selective BACE1 inhibitor (IC50=4.47±1.37 μmol/L),which bound to BACE1 directly (KD=17.9±0.72 μmol/L).L655,240 effectively reduced Aβ40,Aβ42,and sAPPβ production by inhibiting BACE1 without affecting the activities of y-secretase and α-secretase in HEK293-APPswe cells.L655,240 has no effect on APP and BACE1 mRNA or protein levels in HEK293-APPswe cells.Conclusion: The small molecule L655,240 is a novel BACE1 inhibitor that can effectively decreases Aβ production in vitro,thereby highlighting its therapeutic potential for the treatment of Alzheimer's disease.

  19. Effects of confinement (110 and 240 days) on neuroendocrine stress response and changes of immune cells in men.

    Science.gov (United States)

    Choukèr, A; Smith, L; Christ, F; Larina, I; Nichiporuk, I; Baranov, V; Bobrovnik, E; Pastushkova, L; Messmer, K; Peter, K; Thiel, M

    2002-04-01

    The aim of the study was to evaluate the effects of long-term confinement on stress-permissive neuroendocrine and immune responses in humans. Two groups of four male subjects were confined 240 days (group 240) or 110 days (group 110) in two space modules of 100 or 200 m3, respectively. During confinement, none of the volunteers developed psychic stress as could be examined and verified by a current stress test. However, in group 240 but not in group 110, the diurnal rhythm of cortisol secretion was slightly depressed and the urine excretion of norepinephrine significantly increased. The innate part of the immune system became activated as seen by a rise in the number of circulating granulocytes and the enhanced expression of beta2-integrins. In contrast, the ratio of T-helper to T-suppressor cells decreased. All these effects, observed during confinement, were even more pronounced in both groups when values of endocrinological and immunological parameters were compared between before and 1 wk after the end of the confinement period. Hence, return to normal life exerts pronounced effects to a much higher degree, irrespective of how long or under which conditions individuals were confined. Because the delayed-type hypersensitivity skin reaction against recall antigens remained unaffected, it is to be presumed that confinement appears to induce distinct sympathoadrenergic activation and immunological changes but no clinically relevant immunosuppression.

  20. Distribution and source of 129I, 239,240Pu, 137Cs in the environment of Lithuania

    DEFF Research Database (Denmark)

    Ezerinskis, Z.; Hou, Xiaolin; Druteikiene, R.;

    2016-01-01

    Fifty five soil samples collected in the Lithuania teritory in 2011 and 2012 were analyzed for 129I, 137Cs and Pu isotopes in order to investigate the level and distribution of artificial radioactivity in Lithuania. The activity and atomic ratio of 238Pu/239,240Pu, 129I/127I and 131I/137Cs were...... used to identify the origin of these radionuclides. The 238Pu/239þ240Pu and 240Pu/239Pu ratios in the soil samples analyzed varied in the range of 0.02e0.18 and 0.18e0.24, respectively, suggesting the global fallout as the major source of Pu in Lithuania. The values of 109 to 106 for 129I/127I atomic....... No correlation of the 137Cs and Pu isotopes with 129I was observed, indicating their different sources terms. Results demonstrate uneven distribution of these radionuclides in the Lithuanian territory and several sources of contamination i.e. Chernobyl accident, reprocessing releases and global fallout....

  1. Estimation of 240Pu Mass in a Waste Tank Using Ultra-Sensitive Detection of Radioactive Xenon Isotopes from Spontaneous Fission

    Energy Technology Data Exchange (ETDEWEB)

    Bowyer, Ted W. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Gesh, Christopher J. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Haas, Derek A. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Hayes, James C. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Mahoney, Lenna A. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Meacham, Joseph E. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Mendoza, Donaldo P. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Olsen, Khris B. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Prinke, Amanda M. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Reid, Bruce D. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Woods, Vincent T. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

    2014-12-01

    We report on a technique to detect and quantify the amount of 240Pu in a large tank used to store nuclear waste from plutonium production at the Hanford nuclear site. While the contents of this waste tank are known from previous grab sample measurements, our technique could allow for determination of the amount of 240Pu in the tank without costly sample retrieval and analysis of this highly radioactive material. This technique makes an assumption, which was confirmed, that 240Pu dominates the spontaneous fissions occurring in the tank.

  2. I. Nuclear Production Reaction and Chemical Isolation Procedure for 240Am II. New Superheavy Element Isotopes: 242Pu(48Ca,5n)285-114

    OpenAIRE

    Ellison, Paul Andrew

    2011-01-01

    Part I discusses the study of a new nuclear reaction and chemical separation procedure for the production of 240Am. Thin 242Pu, natTi, and natNi targets were coincidently activated with protons from the 88-Inch Cyclotron, producing 240Am, 48V, and 57Ni, respectively. The radioactive decay of these isotopes was monitored using high-purity Ge gamma ray detectors in the weeks following irradiation. The excitation function for the 242Pu(p, 3n)240Am nuclear reaction was measured to be lower than t...

  3. Corrective Action Decision Document for Corrective Action Unit 240: Area 25 Vehicle Washdown, Nevada Test Site, Nevada

    Energy Technology Data Exchange (ETDEWEB)

    US Department of Energy Nevada Operations Office

    1999-09-16

    This Corrective Action Decision Document identifies and rationalizes the U.S. Department of Energy, Nevada Operations Offices's selection of a recommended corrective action alternative (CAA) appropriate to facilitate the closure of Corrective Action Unit (CAU) 240: Area 25 Vehicle Washdown, Nevada Test Site, Nevada. This corrective action investigation was conducted in accordance with the Corrective Action Investigation Plan for CAU 240 as developed under the Federal Facility Agreement and Consent Order. Located in Area 25 at the Nevada Test Site in Nevada, CAU 240 is comprised of three Corrective Action Sites (CASs): 25-07-01, Vehicle Washdown Area (Propellant Pad); 25-07-02, Vehicle Washdown Area (F and J Roads Pad); and 25-07-03, Vehicle Washdown Station (RADSAFE Pad). In March 1999, the corrective action investigation was performed to detect and evaluate analyte concentrations against preliminary action levels (PALs) to determine contaminants of concern (COCs). There were no COCs identified at CAS 25-07-01 or CAS 25-07-03; therefore, there was no need for corrective action at these two CASs. At CAS 25-07-02, diesel-range organics and radionuclide concentrations in soil samples from F and J Roads Pad exceeded PALs. Based on this result, potential CAAs were identified and evaluated to ensure worker, public, and environmental protection against potential exposure to COCs in accordance with Nevada Administrative Code 445A. Following a review of potential exposure pathways, existing data, and future and current operations in Area 25, two CAAs were identified for CAU 240 (CAS 25-07-02): Alternative 1 - No Further Action and Alternative 2 - Clean Closure by Excavation and Disposal. Alternative 2 was identified as the preferred alternative. This alternative was judged to meet all requirements for the technical components evaluated, compliance with all applicable state and federal regulations for closure of the site, as well as minimizing potential future exposure

  4. Characterization of ^{239,240}Pu Radionuclide Adsorption to Soil Particles and Mineral Dust Aerosols

    Science.gov (United States)

    Tatro, D. P.; Arimoto, R.; McMillan, N. J.; Barnes, M.

    2006-12-01

    The release of ^{239,240}Pu into the environment by nuclear weapons testing 50 years ago initiated the cyclic mobilization of Pu-contaminated soil particles via the resuspension of dust resulting in a widespread distribution of Pu and other radionuclides. It is unclear what enables the aeolian transport of Pu in the environment; plausible hypotheses of Pu binding to dust and soil particles include Pu adsorption to iron oxides/hydroxides, organic acids, or silicate minerals such as clays. To investigate the connections between surface soils, dust and radionuclides, samples of soil and/or dust were collected from the Project Gnome Site in Eddy County, NM, the Jemez Mountains near Los Alamos, NM, and two 50-year old attics and wind-blown dust in Big Spring, TX. This study tests the hypothesis that Pu is adsorbed onto Fe oxides and hydroxides that coat dust/soil particles. The samples are generally low in organic carbon (0.2 - 4.8%, except for the unburned Los Alamos sample at 9.4%), as measured by LOI (Loss On Ignition) at 360 °C. The citrate-bicarbonate-dithionite method (CDB) of Fe oxide removal, first proposed by Mehra and Jackson in 1960, was used to selectively extract Fe oxides from the samples while leaving silicate Fe intact. Chemical digestion of each sample creates two fractions, the extracted supernatant and a solid pellet residue. If the Pu were associated with Fe oxides, then Fe and Pu should both be selectively removed from the bulk sample during the CBD process, leaving the pellet depleted in Fe and Pu and the supernatant enriched. For Fe, this was confirmed by scanning electron microscope and petrographic analyses. Preliminary radiochemical analyses of Pu activity also verify this hypothesis. Pu activity is significantly lower in pellets than bulk samples (Pu activitypellet/Pu activitybulk average = 0.07, range 0.02-0.12); Pu activity in supernatants is significantly higher than in bulk samples (Pu activitysupernatant/Pu activitybulk average = 4

  5. The High Court's lost chance in medical negligence: Tabet v Gett (2010) 240 CLR 537.

    Science.gov (United States)

    Faunce, Thomas; McEwan, Alexandra

    2010-12-01

    In 2010 the High Court of Australia in Tabet v Gett (2010) 240 CLR 537 determined an appeal in a medical negligence case concerning a six-year-old girl who had presented to a major paediatric hospital with symptoms over several weeks of headaches and vomiting after a recent history of chicken pox. The differential diagnosis was varicella, meningitis or encephalitis and two days later, after she deteriorated neurologically, she received a lumbar puncture. Three days later she suffered a seizure and irreversible brain damage. A CT scan performed at that point showed a brain tumour. As Australia does not have a no-fault system providing compensation to cover the long-term care required for such a condition, the girl (through her parents and lawyers) sued her treating physician. She alleged that, because a cerebral CT scan was not performed when clinically indicated after the diagnosis of meningitis or encephalitis and before the lumbar puncture, she had "lost the chance" to have her brain tumour treated before she sustained permanent brain damage. She succeeded at first instance, but lost on appeal. The High Court also rejected her claim, holding unanimously that there were no policy reasons to allow recovery of damages based on possible (less than 50%) "loss of a chance" of a better medical outcome. The court held that the law of torts in Australia required "all or nothing" proof that physical injury was caused or contributed to by a negligent party. The High Court, however, did not exclude loss of chance as forming the substance of a probable (greater than 50%) claim in medical negligence in some future case. In the meantime, patients injured in Australia as a result of possible medical negligence (particularly in the intractable difficult instances of late diagnosis) must face the injustice of the significant day-to-day care needs of victims being carried by family members and the taxpayer-funded public hospital system. The High Court in Tabet v Gett again provides

  6. Determination of plutonium isotopes (238Pu, 239Pu, 240Pu, 241Pu) in environmental samples using radiochemical separation combined with radiometric and mass spectrometric measurements

    DEFF Research Database (Denmark)

    Xu, Yihong; Qiao, Jixin; Hou, Xiaolin;

    2014-01-01

    This paper reports an analytical method for the determination of plutonium isotopes (238Pu, 239Pu, 240Pu, 241Pu) in environmental samples using anion exchange chromatography in combination with extraction chromatography for chemical separation of Pu. Both radiometric methods (liquid scintillation......, this is critical for the measurement of plutonium isotopes using mass spectrometric technique. Although the chemical yield of Pu in the entire procedure is about 55%, the analytical results of IAEA soil 6 and IAEA-367 in this work are in a good agreement with the values reported in the literature or reference...... values, revealing that the developed method for plutonium determination in environmental samples is reliable. The measurement results of 239+240Pu by alpha spectrometry agreed very well with the sum of 239Pu and 240Pu measured by ICP-MS. ICP-MS can not only measure 239Pu and 240Pu separately but also 241...

  7. Oral intake of Lactobacillus pentosus strain b240 accelerates salivary immunoglobulin A secretion in the elderly: A randomized, placebo-controlled, double-blind trial

    Directory of Open Access Journals (Sweden)

    Kotani Yoshifumi

    2010-08-01

    Full Text Available Abstract Background Immunoglobulin A (IgA secretion in saliva decreases with age and may be the cause of increased vulnerability of the elderly to respiratory infections. The effect of oral intake of lactic acid bacteria on salivary secretory IgA (SIgA in the elderly has not been reported. The objective of this study was to demonstrate the acceleration of salivary SIgA secretion by oral intake of Lactobacillus pentosus strain b240 (b240 in the elderly. Results A total of 80 healthy elderly individuals were randomly allocated to either an intervention (i.e., b240 or a control (i.e., placebo group. The elderly individuals in the b240 group were given a sterile water beverage (125 mL containing heat-killed b240 (4 × 109 cells, while those in the placebo group were given only a sterile water beverage (125 mL; both groups received their respective beverages once daily for 12 weeks. Saliva was collected before initiation of the study and every 2 weeks thereafter. Saliva flow rate and SIgA concentration were determined, and the SIgA secretion rate was calculated. The mean salivary SIgA secretion rate in the b240 group steadily increased until week 4 (exhibiting a 20% elevation relative to that at week 0, and then remained stable until week 12. Changes in SIgA secretion rate over the intervention period were significantly greater in the b240 group than in the placebo group. The treatment groups exhibited no significant differences in adverse events. Conclusions Oral intake of L. pentosus strain b240 for 12 weeks significantly accelerated salivary SIgA secretion, thereby indicating its potential utility in the improvement of mucosal immunity and resistance against infection in the elderly.

  8. 240kA普通平底电解槽低电压生产探索%Low-pressure Production of 240 kA Common Flat Base Electrolytic Cell

    Institute of Scientific and Technical Information of China (English)

    闫飞; 程世凯; 李炬

    2011-01-01

    强化电流是提高铝电解槽产量和经济效益的有效手段,广西投资集团银海铝业有限责任公司240 kA普通平底电解槽通过强化电流和降低电压,实现平均电压在4.0 V以下平稳运行,降低直流电耗约200 kW· h/t-Al.

  9. Study of neutron-deficient isotopes of Fl in the 239Pu, 240Pu + 48Ca reactions

    Science.gov (United States)

    Voinov, A. A.; Utyonkov, V. K.; Brewer, N. T.; Oganessian, Yu Ts; Rykaczewski, K. P.; Abdullin, F. Sh; Dmitriev, S. N.; Grzywacz, R. K.; Itkis, M. G.; Miernik, K.; Polyakov, A. N.; Roberto, J. B.; Sagaidak, R. N.; Shirokovsky, I. V.; Shumeiko, M. V.; Tsyganov, Yu S.; Subbotin, V. G.; Sukhov, A. M.; Sabelnikov, A. V.; Vostokin, G. K.; Hamilton, J. H.; Stoyer, M. A.; Strauss, S. Y.

    2016-07-01

    The results of the experiments aimed at the synthesis of Fl isotopes in the 239Pu + 48Ca and 240Pu + 48Ca reactions are presented. The experiment was performed using the Dubna gas-filled recoil separator at the U400 cyclotron. In the 239Pu+48Ca experiment one decay of spontaneously fissioning 284Fl was detected at 245-MeV beam energy. In the 240Pu+48Ca experiment three decay chains of 285Fl were detected at 245 MeV and four decays were assigned to 284Fl at the higher 48Ca beam energy of 250 MeV. The α-decay energy of 285Fl was measured for the first time and decay properties of its descendants 281Cn, 277Ds, 273Hs, 269Sg, and 265Rf were determined more precisely. The cross section of the 239Pu(48Ca,3n)284Fl reaction was observed to be about 20 times lower than those predicted by theoretical models and 50 times less than the value measured in the 244Pu+48Ca reaction. The cross sections of the 240Pu(48Ca,4-3n)284,285Fl at both 48Ca energies are similar and exceed that observed in the reaction with lighter isotope 239Pu by a factor of 10. The decay properties of the synthesized nuclei and their production cross sections indicate rapid decrease of stability of superheavy nuclei with departing from the neutron number N=184 predicted to be the next magic number.

  10. Determination of 238Pu and 239+240Pu in soils of different agricultural regions of Guatemala

    International Nuclear Information System (INIS)

    This study allowed to determine the concentration of radioactivity alpha, due to contamination for plutonium in cultivated soils of different regions of Guatemala. They were carried out samplings for convenience in cultivated soils of 15 departments of the republic, determined in each soils sample, the activity concentration for plutonium 238Plutonium and 239+240Plutonium expressed in mili-becquerel by kilogram (mBq/Kg), which has been caused from all over the world by the different provoked liberations or accidents of radioactive particles to the atmosphere

  11. Measurement of the Am241(γ,n)Am240 reaction in the giant dipole resonance region

    Science.gov (United States)

    Tonchev, A. P.; Hammond, S. L.; Howell, C. R.; Huibregtse, C.; Hutcheson, A.; Kelley, J. H.; Kwan, E.; Raut, R.; Rusev, G.; Tornow, W.; Kawano, T.; Vieira, D. J.; Wilhelmy, J. B.

    2010-11-01

    The photodisintegration cross section of the radioactive nucleus Am241 has been obtained using activation techniques and monoenergetic γ-ray beams from the HIγS facility. The induced activity of Am240 produced via the Am241(γ,n) reaction was measured in the energy interval from 9 to 16 MeV utilizing high-resolution γ-ray spectroscopy. The experimental data for the Am241(γ,n) reaction in the giant dipole resonance energy region are compared with statistical nuclear-model calculations.

  12. Improved absorption cross-sections of oxygen in the wavelength region 205-240 nm of the Herzberg continuum

    Science.gov (United States)

    Yoshino, K.; Cheung, A. S.-C.; Esmond, J. R.; Parkinson, W. H.; Freeman, D. E.

    1988-01-01

    The laboratory values of the Herzberg continuum absorption cross-section of oxygen at room temperature from Cheung et al. (1986) and Jenouvrier et al. (1986) are compared and analyzed. It is found that there is no discrepancy between the absolute values of these two sets of independent measurements. The values are combined in a linear least-squares fit to obtain improved values of the Herzberg continuum cross-section of oxygen at room temperature throughout the wavelength region 205-240 nm. The results are compared with in situ and other laboratory measurements.

  13. 240 kW peak power at 266 nm in nonlinear YAl3(BO3)4 single crystal.

    Science.gov (United States)

    Ilas, Simon; Loiseau, Pascal; Aka, Gérard; Taira, Takunori

    2014-12-01

    We report the fourth harmonic generation at 266 nm using a type I YAl3(BO3)4 (YAB) single crystal from a Q-switch microchip laser Nd:YAG/Cr⁴⁺:YAG frequency doubled with a LiB3O5 (LBO) crystal. 240 kW peak power at 266 nm corresponding to a mean conversion efficiency of 12.2% from 532 to 266 nm has been obtained with a 2.94 mm thick YAB crystal. The influences of optical homogeneity and absorption on the conversion efficiency are discussed. PMID:25606961

  14. Measurement of the $^{240,242}$Pu(n,f) cross section at the CERN n_TOF facility

    CERN Document Server

    Tsinganis, A; Guerrero, C; Colonna, N; Calviani, M; Vlastou, R; Andriamonje, S; Vlachoudis, V; Gunsing, F; Massimi, C; Altstadt, S; Andrzejewski, J; Audouin, L; Barbagallo, M; Bécares, V; Becvár, F; Belloni, F; Billowes, J; Boccone, V; Bosnar, D; Brugger, M; Calviño, F; Cano-Ott, D; Carrapiço, C; Cerutti, F; Chin, M; Cortés, G; Cortés-Giraldo, M A; Diakaki, M; Domingo-Pardo, C; Duran, I; Dressler, R; Dzysiuk, N; Eleftheriadis, C; Ferrari, A; Fraval, K; Ganesan, S; García, A R; Giubrone, G; Gómez-Hornillos, M B; Gonçalves, I F; González-Romero, E; Griesmayer, E; Gurusamy, P; Hernández-Prieto, A; Jenkins, D G; Jericha, E; Kadi, Y; Käppeler, F; Karadimos, D; Kivel, N; Koehler, P; Kokkoris, M; Krtiˇcka, M; Kroll, J; Lampoudis, C; Langer, C; Leal-Cidoncha, E; Lederer, C; Leeb, H; Leong, L S; Losito, R; Mallick, A; Manousos, A; Marganiec, J; Martínez, T; Mastinu, P F; Mastromarco, M; Meaze, M; Mendoza, E; Mengoni, A; Milazzo, P M; Mingrone, F; Mirea, M; Mondalaers, W; Paradela, C; Pavlik, A; Perkowski, J; Plompen, A; Praena, J; Quesada, J M; Rauscher, T; Reifarth, R; Riego, A; Robles, M S; Roman, F; Rubbia, C; Sabaté-Gilarte, M; Sarmento, R; Saxena, A; Schillebeeckx, P; Schmidt, S; Schumann, D; Tagliente, G; Tain, J L; Tarrío, D; Tassan-Got, L; Valenta, S; Vannini, G; Variale, V; Vaz, P; Ventura, A; Versaci, R; Vermeulen, M J; Wallner, A; Ware, T; Weigand, M; Weiss, C; Wright, T; Zugec, P

    2014-01-01

    Knowledge of neutron cross sections of various plutonium isotopes and other minor actinides is crucial for the design of advanced nuclear systems. The $^{240 , 242}$Pu(n,f) cross sections were measured at the CERN n_TOF facility, taking advantage of the wide energy range (from thermal to GeV) and the high instantaneous f ux of the neutron beam. In this work, preliminary results for $^{242}$Pu are presented along with a theoretical cross section calculation performed with the EMPIRE code.

  15. DESIGN OF 320×240 LONG WAVE UNCOOLED MICROBOLOMETER INFRARED THERMAL CAMERA%320×240长波非致冷微测辐射热计红外热象仪的研制

    Institute of Scientific and Technical Information of China (English)

    孔令彬; 易新建; 王典洪; 陈四海

    2002-01-01

    介绍了基于微测辐射热计320×240长波非致冷红外热象仪的研制,详细说明了其电气系统的设计方法及技术关键,并对其光学系统进行了简要说明.采用高象质的双反射光学系统以减少象差;红外探测器采用320×240长波非致冷集成微测辐射热计红外焦平面阵列(FPA);电气系统采用复杂可编程逻辑器件(CPLD)完成红外焦平面阵列的驱动,应用数字信号处理(DSP)技术实现红外焦平面阵列的非均匀性校正、图象增强及红外图象实时显示等.

  16. 阴道镜检查及活检诊断宫颈病变240例分析%Analysis of colposcopy and biopsy in the diagnosis of cervical lesions in 240 cases

    Institute of Scientific and Technical Information of China (English)

    古丽尼沙·特海

    2015-01-01

    Objective:To explore the diagnosis value of colposcopy and biopsy in the diagnosis of cervical lesions.Methods:240 patients with cervical lesions were selected.They were given colposcopy and biopsy.Results:The colposcopy and vaginal biopsy were compared with pathological diagnosis,and the diagnose accordance rate of colposcopy was higher than that of vaginal biopsy. Conclusion:Colposcopy is better than vaginal biopsy,so colposcopy can be used as an important method of cervical disease screening.%目的:探讨阴道镜检查及活检诊断宫颈病变的诊断价值。方法:收治宫颈病变患者240例,均采用阴道镜检查及活检。结果:阴道镜检查、阴道活检与病理诊断情况比较,阴道镜检查的诊断符合率高于阴道活检。结论:阴道镜检查优于阴道活检,阴道镜检查可以作为筛查宫颈疾病的重要方法。

  17. Nursing Experience Based on Combination of Traditional Chinese and Western Medicine for 240 Cases of Hand-Foot-and-Mouth Disease%240例小儿手足口病中西医结合的护理体会

    Institute of Scientific and Technical Information of China (English)

    曹春菊

    2013-01-01

    Objective: To discuss the nursing interventions of hand-food-and-mouth disease. Methods:The clinical data of 240 cases was retrospectively analyzed. Results: After treatment and nursing,the prognosis was good. The mild cases were cured within one week. The average course was 7-8 days. There was no death case. Conclusion:The hand foot and mouth disease is an acute infectious disease caused by a variety of intestinal virus. Through intensive nursing based on combination of traditional Chinese and Western medicine can make speedy recovery.%目的:通过对手足口病患儿的护理,探讨小儿手足口病的护理措施.方法:回顾分析240例患儿的临床资料.结果:经过治疗和护理本组预后良好,轻症在1周内痊愈,平均疗程7~8天左右,未出现1例死亡病例.结论:小儿手足口病是一种由多种肠道病毒引起的急性传染病,通过中西医结合等精心护理,可使患儿早日康复.

  18. P63、Calponin和D2-40在涎腺肿瘤肌上皮细胞中的表达及意义%Expressions and clinical significance of P63,Calponin and D2-40 in myoepithelial cells of salivary gland tumors

    Institute of Scientific and Technical Information of China (English)

    唐文军; 周静萍

    2011-01-01

    OBJECTIVE: To analyze the expressions of P63, Calponin and D2-40 in myoepithelial cells of salivary gland tumors and to investigate the value of D2-40 in identification of myoepithelial cells in salivary gland tumor.METHODS: Various types of salivary gland tumor specimens were collected during surgeries in affiliated Yijishan Hospital from January 2004 to January 2010. We used immunohistochemical technique (S-P) to examine the expressions of P63, Calponin and D2-40 in each salivary gland tumor organization. RESULTS: P63, Calponin, D2-40 were expressed in myoepithelial cells, and the expressions of P63, Calponin,D2-40 were 82.14%, 76.79% and 66.07%, respectively. D2-40was expressed in polymorphic adenomas, adenoid cystic carcinoma, epithelial-myoepithelial carcinoma and the expressions were 94.12%, 61.90% and 66.67%, respectively. D2-40 was not expressed in malignant polymorphic adenomas. The expression of D2-40 in polymorphic adenomas, tissues adjacent to the salivary gland malignancy and the cancerous tissues showed decreasing expressions that were significant (P < 0.05). CONCLUSION: D2-40 could be one kind of ideal salivary gland tumor myoepithelial cell marker. Low expression of D2-40 is probably an indicator of malignant progresion of salivary gland tumor.%目的:分析P63、Calponin、D2-40在各型涎腺肿瘤肌上皮细胞中的表达情况,探讨D2-40标记涎腺肿瘤肌上皮细胞的价值.方法:收集附属弋矶山医院2004年1月至2010年1月的6年间,手术切除的各型涎腺肿瘤标本切片作为研究材料.采用免疫组化SP法检测各型涎腺肿瘤组织中P63、Calponin、D2-40的表达.结果:P63、Calponin、D2-40均表达于肌上皮细胞,在各型涎腺肿瘤中总的表达率分别为82.14%、76.79%、66.07%.D2-40在多形性腺瘤、腺样囊性癌、上皮-肌上皮癌均有表达,表达率分别为94.12%、61.90%、66.67%,在恶性多形性腺瘤中未见表达.D2-40在多形性腺瘤、涎腺恶性肿瘤的

  19. Discovery of Very High Energy Gamma Rays from PKS 1424+240 and Multiwavelength Constraints on its Redshift

    Energy Technology Data Exchange (ETDEWEB)

    Acciari, V.A.; /Harvard-Smithsonian Ctr. Astrophys.; Aliu, E.; /Delaware U., Bartol Inst.; Arlen, T.; /UCLA; Aune, T.; /UC, Santa Cruz; Bautista, M.; /McGill U.; Beilicke, M. /Washington U., St. Louis; Benbow, W.; /Harvard-Smithsonian Ctr. Astrophys.; Bottcher, M.; /Ohio U.; Boltuch, D.; /Delaware U., Bartol Inst.; Bradbury, S.M.; /Leeds U.; Buckley, J.H.; /Washington U., St. Louis; Bugaev, V.; /Washington U., St. Louis; Byrum, K.; /Argonne; Cannon, A.; /University Coll., Dublin; Cesarini, A.; /Natl. U. of Ireland, Galway; Chow, Y.C.; /UCLA; Ciupik, L.; /Roosevelt U., Chicago; Cogan, P.; /McGill U.; Cui, W.; /Purdue U.; Duke, C.; /Grinnell Coll.; Falcone, A.; /Penn State U. /Purdue U. /Utah U. /Roosevelt U., Chicago /Harvard-Smithsonian Ctr. Astrophys. /Purdue U. /Natl. U. of Ireland, Galway /Utah U. /University Coll., Dublin /McGill U. /Roosevelt U., Chicago /McGill U. /Delaware U., Bartol Inst. /Utah U. /Chicago U., EFI /Iowa State U. /Roosevelt U., Chicago /DePauw U. /Utah U. /Pittsburg State U. /Washington U., St. Louis /Iowa State U. /Natl. U. of Ireland, Galway /Utah U. /McGill U. /Washington U., St. Louis /McGill U. /McGill U. /Purdue U. /Anderson U. /Galway-Mayo Inst. of Tech. /Iowa State U. /UCLA; /more authors..

    2012-04-05

    We report the first detection of very-high-energy (VHE) gamma-ray emission above 140GeV from PKS 1424+240, a BL Lac object with an unknown redshift. The photon spectrum above 140GeV measured by VERITAS is well described by a power law with a photon index of 3.8 {+-}0.5{sub stat} {+-} 0.3{sub syst} and a flux normalization at 200 GeV of (5.1 {+-} 0.9{sub stat} {+-} 0.5{sub syst}) x 10{sup -11} TeV{sup -1} cm{sup -2} s{sup -1}, where stat and syst denote the statistical and systematical uncertainty, respectively. The VHE flux is steady over the observation period between MJD 54881 and 55003 (2009 February 19 to June 21). Flux variability is also not observed in contemporaneous high energy observations with the Fermi Large Area Telescope (LAT). Contemporaneous X-ray and optical data were also obtained from the Swift XRT and MDM observatory, respectively. The broadband spectral energy distribution (SED) is well described by a one-zone synchrotron self-Compton (SSC) model favoring a redshift of less than 0.1. Using the photon index measured with Fermi in combination with recent extragalactic background light (EBL) absorption models it can be concluded from the VERITAS data that the redshift of PKS 1424+240 is less than 0.66.

  20. The Tanita SC-240 to Assess Body Composition in Pre-School Children: An Evaluation against the Three Component Model

    Science.gov (United States)

    Delisle Nyström, Christine; Henriksson, Pontus; Alexandrou, Christina; Löf, Marie

    2016-01-01

    Quick, easy-to-use, and valid body composition measurement options for young children are needed. Therefore, we evaluated the ability of the bioelectrical impedance (BIA) device, Tanita SC-240, to measure fat mass (FM), fat free mass (FFM) and body fatness (BF%) in 40 healthy, Swedish 5.5 years old children against the three component model (3C model). Average BF%, FM, and FFM for BIA were: 19.4% ± 3.9%, 4.1 ± 1.9 kg, and 16.4 ± 2.4 kg and were all significantly different (p < 0.001) from corresponding values for the 3C model (25.1% ± 5.5%, 5.3 ± 2.5 kg, and 15.2 ± 2.0 kg). Bland and Altman plots had wide limits of agreement for all body composition variables. Significant correlations ranging from 0.81 to 0.96 (p < 0.001) were found for BF%, FM, and FFM between BIA and the 3C model. When dividing the children into tertiles for BF%, 60% of children were classified correctly by means of BIA. In conclusion, the Tanita SC-240 underestimated BF% in comparison to the 3C model and had wide limits of agreement. Further work is needed in order to find accurate and easy-to-use methods for assessing body composition in pre-school children. PMID:27322313

  1. Determination of 90Sr, 137Cs and (239+240)Pu in waters with use of preliminary concentration

    International Nuclear Information System (INIS)

    A method for the simultaneous determination of artificial radionuclides (90Sr, 137Cs and (239+240)Pu) in water samples is described. The following preconcentration steps are used: co-precipitation of cesium on copper ferrocyanide; co-precipitation of plutonium on iron hydroxide; and precipitation of strontium in the carbonate form. The chemical yield is determined by using the tracers: 88Y, 85Sr, 134Cs and 236Pu or 242Pu. The method was applied to the determination of artificial radionuclides in water sources at nuclear test sites - the former Semipalatinsk nuclear test site and the 'Azgir' and 'Lira' test sites. The volume of water samples was 0.5 - 30.0 l, and the mineralization ranged from 0.1g/l to 100 g/l. The determination limits were: < 1 mBq/l for cesium-137; 0.02 mBq/l for plutonium-(239+240); and 1.5 mBq/l for strontium-90. The chemical yield was 60 - 90%

  2. Distribution and source of (129)I, (239)(,240)Pu, (137)Cs in the environment of Lithuania.

    Science.gov (United States)

    Ežerinskis, Ž; Hou, X L; Druteikienė, R; Puzas, A; Šapolaitė, J; Gvozdaitė, R; Gudelis, A; Buivydas, Š; Remeikis, V

    2016-01-01

    Fifty five soil samples collected in the Lithuania teritory in 2011 and 2012 were analyzed for (129)I, (137)Cs and Pu isotopes in order to investigate the level and distribution of artificial radioactivity in Lithuania. The activity and atomic ratio of (238)Pu/((239,24)0)Pu, (129)I/(127)I and (131)I/(137)Cs were used to identify the origin of these radionuclides. The (238)Pu/(239+240)Pu and (240)Pu/(239)Pu ratios in the soil samples analyzed varied in the range of 0.02-0.18 and 0.18-0.24, respectively, suggesting the global fallout as the major source of Pu in Lithuania. The values of 10(-9) to 10(-6) for (129)I/(127)I atomic ratio revealed that the source of (129)I in Lithuania is global fallout in most cases though several sampling sites shows a possible impact of reprocessing releases. Estimated (129)I/(131)I ratio in soil samples from the southern part of Lithuania shows negligible input of the Chernobyl fallout. No correlation of the (137)Cs and Pu isotopes with (129)I was observed, indicating their different sources terms. Results demonstrate uneven distribution of these radionuclides in the Lithuanian territory and several sources of contamination i.e. Chernobyl accident, reprocessing releases and global fallout. PMID:26476410

  3. On the photochemistry of IONO2: absorption cross section (240-370 nm) and photolysis product yields at 248 nm.

    Science.gov (United States)

    Joseph, D M; Ashworth, S H; Plane, J M C

    2007-11-01

    The absolute absorption cross section of IONO(2) was measured by the pulsed photolysis at 193 nm of a NO(2)/CF(3)I mixture, followed by time-resolved Fourier transform spectroscopy in the near-UV. The resulting cross section at a temperature of 296 K over the wavelength range from 240 to 370 nm is given by log(10)(sigma(IONO(2))/cm(2) molecule(-1)) = 170.4 - 3.773 lambda + 2.965 x 10(-2)lambda(2)- 1.139 x 10(-4)lambda(3) + 2.144 x 10(-7)lambda(4)- 1.587 x 10(-10)lambda(5), where lambda is in nm; the cross section, with 2sigma uncertainty, ranges from (6.5 +/- 1.9) x 10(-18) cm(2) at 240 nm to (5 +/- 3) x 10(-19) cm(2) at 350 nm, and is significantly lower than a previous measurement [J. C. Mössinger, D. M. Rowley and R. A. Cox, Atmos. Chem. Phys., 2002, 2, 227]. The photolysis quantum yields for IO and NO(3) production at 248 nm were measured using laser induced fluorescence of IO at 445 nm, and cavity ring-down spectroscopy of NO(3) at 662 nm, yielding phi(IO) iodine oxides, but the formation and subsequent photolysis of IONO(2) is very inefficient as an ozone-depleting cycle.

  4. The Tanita SC-240 to Assess Body Composition in Pre-School Children: An Evaluation against the Three Component Model

    Directory of Open Access Journals (Sweden)

    Christine Delisle Nyström

    2016-06-01

    Full Text Available Quick, easy-to-use, and valid body composition measurement options for young children are needed. Therefore, we evaluated the ability of the bioelectrical impedance (BIA device, Tanita SC-240, to measure fat mass (FM, fat free mass (FFM and body fatness (BF% in 40 healthy, Swedish 5.5 years old children against the three component model (3C model. Average BF%, FM, and FFM for BIA were: 19.4% ± 3.9%, 4.1 ± 1.9 kg, and 16.4 ± 2.4 kg and were all significantly different (p < 0.001 from corresponding values for the 3C model (25.1% ± 5.5%, 5.3 ± 2.5 kg, and 15.2 ± 2.0 kg. Bland and Altman plots had wide limits of agreement for all body composition variables. Significant correlations ranging from 0.81 to 0.96 (p < 0.001 were found for BF%, FM, and FFM between BIA and the 3C model. When dividing the children into tertiles for BF%, 60% of children were classified correctly by means of BIA. In conclusion, the Tanita SC-240 underestimated BF% in comparison to the 3C model and had wide limits of agreement. Further work is needed in order to find accurate and easy-to-use methods for assessing body composition in pre-school children.

  5. Measurement of trace uranium-235 and plutonium-239, 240 in waste tank material at the Savannah River Site

    Energy Technology Data Exchange (ETDEWEB)

    Mahannah, F.N.; Maxwell, S.L. III.

    1992-01-01

    At the Savannah River Site (SRS), large quantities of radioactive liquid waste are evaporated to reduce volume before eventual processing through the In-Tank Precipitation process. Actinides in the liquid waste are only slightly soluble in the highly alkaline waste solution. Since some of the actinide isotopes are fissionable, the quantities being processed through the evaporator system are of interest. To better quantify the concentration and mass of fissionable material entering the evaporator system and eventually deposited as salt, analysis of the actinide elements were necessary. The predominant fissionable actinide isotopes of interest are U{sup 235} and Pu{sup 239}. To enable the reliable measurement of these radionuclides, the Central Laboratory has developed high speed separation techniques to measure U{sup 235} content by Isotope Dilution Mass Spectrometry and Pu{sup 239,240} by alpha spectrometry. Due to the high radioactivity levels in the samples all separations are performed in shielded analytical cells. Uranium is purified and concentrated using a high speed extraction chromatography technique that employs applied vacuum and columns containing tri (2-ethylene) phosphate solvent coated on a small particle inert support. The uranium method enables measurement of U{sup 235} concentrations to 1 {times} 10{sup {minus}4} g/L. Plutonium is purified and concentrated using a high speed anion exchange technique. The Pu method enables measurements of Pu{sup 239,240} to 2 {times} 10{sup {minus}6} g/L.

  6. Measurement of trace uranium-235 and plutonium-239, 240 in waste tank material at the Savannah River Site

    Energy Technology Data Exchange (ETDEWEB)

    Mahannah, F.N.; Maxwell, S.L. III

    1992-08-01

    At the Savannah River Site (SRS), large quantities of radioactive liquid waste are evaporated to reduce volume before eventual processing through the In-Tank Precipitation process. Actinides in the liquid waste are only slightly soluble in the highly alkaline waste solution. Since some of the actinide isotopes are fissionable, the quantities being processed through the evaporator system are of interest. To better quantify the concentration and mass of fissionable material entering the evaporator system and eventually deposited as salt, analysis of the actinide elements were necessary. The predominant fissionable actinide isotopes of interest are U{sup 235} and Pu{sup 239}. To enable the reliable measurement of these radionuclides, the Central Laboratory has developed high speed separation techniques to measure U{sup 235} content by Isotope Dilution Mass Spectrometry and Pu{sup 239,240} by alpha spectrometry. Due to the high radioactivity levels in the samples all separations are performed in shielded analytical cells. Uranium is purified and concentrated using a high speed extraction chromatography technique that employs applied vacuum and columns containing tri (2-ethylene) phosphate solvent coated on a small particle inert support. The uranium method enables measurement of U{sup 235} concentrations to 1 {times} 10{sup {minus}4} g/L. Plutonium is purified and concentrated using a high speed anion exchange technique. The Pu method enables measurements of Pu{sup 239,240} to 2 {times} 10{sup {minus}6} g/L.

  7. Measurement of trace uranium-235 and plutonium-239, 240 in waste tank material at the Savannah River Site

    International Nuclear Information System (INIS)

    At the Savannah River Site (SRS), large quantities of radioactive liquid waste are evaporated to reduce volume before eventual processing through the In-Tank Precipitation process. Actinides in the liquid waste are only slightly soluble in the highly alkaline waste solution. Since some of the actinide isotopes are fissionable, the quantities being processed through the evaporator system are of interest. To better quantify the concentration and mass of fissionable material entering the evaporator system and eventually deposited as salt, analysis of the actinide elements were necessary. The predominant fissionable actinide isotopes of interest are U235 and Pu239. To enable the reliable measurement of these radionuclides, the Central Laboratory has developed high speed separation techniques to measure U235 content by Isotope Dilution Mass Spectrometry and Pu239,240 by alpha spectrometry. Due to the high radioactivity levels in the samples all separations are performed in shielded analytical cells. Uranium is purified and concentrated using a high speed extraction chromatography technique that employs applied vacuum and columns containing tri (2-ethylene) phosphate solvent coated on a small particle inert support. The uranium method enables measurement of U235 concentrations to 1 x 10-4 g/L. Plutonium is purified and concentrated using a high speed anion exchange technique. The Pu method enables measurements of Pu239,240 to 2 x 10-6 g/L

  8. On the origin of the soft photons of the high synchrotron peaked blazar : PKS 1424+240

    CERN Document Server

    Kang, Shiju; Wu, Qingwen; Chen, Liang

    2016-01-01

    PKS 1424+240 is a distant very high energy gamma-ray BL Lac object with redshift $z=0.601$. It was found that pure synchrotron self-Compton (SSC) process normally need extreme input parameters (e.g., very low magnetic field intensity and extraordinarily large Doppler factor) to explain its multi-wavelength spectral energy distributions (SEDs). To avoid the extreme model parameters, different models have been proposed (e.g., two-zone SSC model or lepto-hadronic model). In this work, we employ the traditional one-zone leptonic model after including a weak external Compton component to re-explore the simultaneous multi-wavelength SEDs of PKS 1424+240 in both high (2009) and low (2013) states. We find that the input parameters of magnetic field and Doppler factor are roughly consistent with those of other BL Lacs if a weak external photon field from either broad line region (BLR) or the dust torus. However, the required energy density of seed photons from BLR or torus is about 3 orders of magnitude less than that...

  9. The Tanita SC-240 to Assess Body Composition in Pre-School Children: An Evaluation against the Three Component Model.

    Science.gov (United States)

    Delisle Nyström, Christine; Henriksson, Pontus; Alexandrou, Christina; Löf, Marie

    2016-01-01

    Quick, easy-to-use, and valid body composition measurement options for young children are needed. Therefore, we evaluated the ability of the bioelectrical impedance (BIA) device, Tanita SC-240, to measure fat mass (FM), fat free mass (FFM) and body fatness (BF%) in 40 healthy, Swedish 5.5 years old children against the three component model (3C model). Average BF%, FM, and FFM for BIA were: 19.4% ± 3.9%, 4.1 ± 1.9 kg, and 16.4 ± 2.4 kg and were all significantly different (p FFM between BIA and the 3C model. When dividing the children into tertiles for BF%, 60% of children were classified correctly by means of BIA. In conclusion, the Tanita SC-240 underestimated BF% in comparison to the 3C model and had wide limits of agreement. Further work is needed in order to find accurate and easy-to-use methods for assessing body composition in pre-school children. PMID:27322313

  10. Distribution and source of (129)I, (239)(,240)Pu, (137)Cs in the environment of Lithuania.

    Science.gov (United States)

    Ežerinskis, Ž; Hou, X L; Druteikienė, R; Puzas, A; Šapolaitė, J; Gvozdaitė, R; Gudelis, A; Buivydas, Š; Remeikis, V

    2016-01-01

    Fifty five soil samples collected in the Lithuania teritory in 2011 and 2012 were analyzed for (129)I, (137)Cs and Pu isotopes in order to investigate the level and distribution of artificial radioactivity in Lithuania. The activity and atomic ratio of (238)Pu/((239,24)0)Pu, (129)I/(127)I and (131)I/(137)Cs were used to identify the origin of these radionuclides. The (238)Pu/(239+240)Pu and (240)Pu/(239)Pu ratios in the soil samples analyzed varied in the range of 0.02-0.18 and 0.18-0.24, respectively, suggesting the global fallout as the major source of Pu in Lithuania. The values of 10(-9) to 10(-6) for (129)I/(127)I atomic ratio revealed that the source of (129)I in Lithuania is global fallout in most cases though several sampling sites shows a possible impact of reprocessing releases. Estimated (129)I/(131)I ratio in soil samples from the southern part of Lithuania shows negligible input of the Chernobyl fallout. No correlation of the (137)Cs and Pu isotopes with (129)I was observed, indicating their different sources terms. Results demonstrate uneven distribution of these radionuclides in the Lithuanian territory and several sources of contamination i.e. Chernobyl accident, reprocessing releases and global fallout.

  11. Determination of Pu-239, 240 tissue concentrations in non-occupationally exposed residents of New York City

    Energy Technology Data Exchange (ETDEWEB)

    Wrenn, M.E.; Cohen, N.

    1977-03-01

    The study reports on the Pu-239, 240 concentrations in various tissues obtained from individuals residing in New York City. Twenty-six tissue samples have been analyzed for their Pu-239, 240 content, which include sections from the right lung, the liver, bone (4th and 5th vertebrae) and the kidney. The tissues were obtained at autopsy from a selected population not occupationally exposed to plutonium and whose deaths were the result of causes other than metabolic disorders. A detailed description is presented of the radiochemical procedures employed to separate Pu and electrochemically deposit plutonium isotopes prior to alpha spectrometry with Si surface-barrier detectors. Results of these measurements are given as activity per gram wet weight and activity per gram of calcium in the individual tissue. All results have been compared to similar measurements made at other laboratories and with estimates of concentration based on metabolic models. To date, the magnitudes and the distribution of the measured values are consistent with the values inferred from the ICRP lung model and measured concentrations of air.

  12. Effects of exchange-correlation potentials on the density functional description of C_60 versus C_240 photoionization

    CERN Document Server

    Choi, Jinwoo; Anstine, Dylan M; Madjet, Mohamed El-Amine; Chakraborty, Himadri S

    2016-01-01

    We study the photoionization properties of the C_60 versus C_240 molecule in a spherical jellium frame of density functional method. Two different approximations to the exchange-correlation (xc) functional are used: (i) The Gunnerson-Lundqvist parametrization [Phys. Rev. B 13, 4274 (1976)] with an explicit correction for the electron self-interaction (SIC) and (ii) a gradient-dependent augmentation of (i) by using the van Leeuwen and Baerends model potential [Phys. Rev. A 49, 2421 (1994)], in lieu of SIC, to implicitly restore electrons' asymptotic properties. Ground state results from the two schemes for both molecules show differences in the shapes of mean-field potentials and bound-level properties. The choice of a xc scheme also significantly alters the dipole single-photoionization cross sections obtained by an abinitio method that incorporates linear-response dynamical correlations. Differences in the structures and ionization responses between C_60 and C_240 uncover the effect of molecular size on the ...

  13. A modelling study on {sup 137}Cs and {sup 239,240}Pu behaviour in the Alboran Sea, western Mediterranean

    Energy Technology Data Exchange (ETDEWEB)

    Perianez, R. [Departamento Fisica Aplicada I, E.U. Ingenieria Tecnica Agricola, Universidad de Sevilla, Ctra., Utrera km 1, 41013 Sevilla (Spain)], E-mail: rperianez@us.es

    2008-04-15

    A model for simulating the dispersion processes of {sup 137}Cs and {sup 239,240}Pu in the Alboran Sea is described. The model consists of two hydrodynamic models: a 2D depth-averaged model and a two-layer model which provide tidal and geostrophic currents, respectively; a sediment transport model which provides suspended particle concentrations and sedimentation rates over the domain; and the radionuclide dispersion model including interactions of dissolved radionuclides with suspended particles and bed sediments. These processes are formulated using kinetic transfer coefficients. The hydrodynamic and sediment models are run and validated in advance, and their results are then used to simulate the dispersion of {sup 137}Cs and {sup 239,240}Pu, which are introduced from atmospheric fallout. Radionuclide concentrations in the water column and distributions in bed sediments have been compared with measurements in the sea. Both set of data are, in general, in agreement. The model has also been applied to calculate radionuclide fluxes through the Strait of Gibraltar. These computed fluxes have been compared with previous estimations as well.

  14. Oxidation-reduction properties of americium, curium, berkelium, californium, einsteinium and fermium, and thermodynamic consequences for the 5f series

    International Nuclear Information System (INIS)

    The amalgamation of 5f elements from Am to Fm has been studied by using 241Am, 244Cm, 249Bk, 249Cf, 252Cf, 253Es, 254Es, 252Fm and 255Fm with two electrochemical methods, radiocoulometry and radiopolarography, perfectly adapted to investigate extremely diluted solutions when the concentration of electroactive species is as low as 10-16M. The theory of radiocoulometry has been developed in the general cases of reversible and irreversible electrode process. It has been used to interpret the experimental data on the kinetic curves of amalgamation, and to estimate the standard rate constant of the electrode process in complexing medium (citric). On the other hand the radiopolarographic method has been applied to study the mechanism of reduction at the dropping mercury electrode of cations M3+ in aqueous medium to the metal M with formation of amalgam. The results are exploited into two directions: 1- Acquisition of some data concerning the oxidation-reduction properties of elements from Am to Fm. Therefore the standard electrode E0 [M(III-0)] potentials for Bk, Cf and Es, and the standard electrode E0 [M(II-0)] potential for Fm are estimated and the relative stability of each oxidation state (from II to VII) of 5f elements is discussed; 2- Acquisition of unknown thermodynamic data on transcalifornium elements. Correlations between 4f and 5f elements are precised and some divergences appear for the second half of 4f and 5f series (i.e. for 65<=Z<=71 and 97<=Z<=103)

  15. Migration of 137Cs, 90Sr, and 239+240Pu in Mediterranean forests: influence of bioavailability and association with organic acids in soil

    International Nuclear Information System (INIS)

    The understanding of downward migration of anthropogenic radionuclides in soil is a key factor in the assessment of their environmental behavior. There are several factors that can affect this process, such as the radionuclide source, their chemical form, soil and environmental characteristics, etc. Two Mediterranean pinewood ecosystems in Spain, which were affected mainly by global fallout, were selected to assess the migration of 137Cs, 90Sr, and 239+240Pu. Using auxiliary modeling (diffusion–convection equation and compartmental model), it followed from field observations that the migration velocities of 90Sr and 239+240Pu were similar and higher than that of 137Cs. The downward migration of radionuclides can be considered a consequence of their association with soil particles. A sequential speciation procedure also confirmed that 90Sr was the most bioavailable radionuclide followed by 239+240Pu and 137Cs. Although this can explain the different velocity of 90Sr and 137Cs, bioavailability could not explain by itself the similar velocities of 239+240Pu and 90Sr. The presence of organic acids in the soil can also influence the migration of radionuclides attached to them, which decreased in the order: 239+240Pu > 90Sr > 137Cs. Thus, the joint consideration of bioavailable and humic + fulvic acid fractions can explain the observed differences in the downward velocities. - Highlights: • Downward migration velocities of 137Cs, 90Sr and 239+240Pu in two Mediterranean forests were determined. • Downward migration velocities: 90Sr ≈ 239+240Pu > 137Cs. • Bioavailability by itself (90Sr > 239+240Pu > 137Cs) does not explain differences in migration velocities. • Humic + Fulvic acids: 239+240Pu > 90Sr > 137Cs. • Humic + Fulvic acids and bioavailable fraction can explain the downward migration velocities

  16. Migration of (137)Cs, (90)Sr, and (239+240)Pu in Mediterranean forests: influence of bioavailability and association with organic acids in soil.

    Science.gov (United States)

    Guillén, J; Baeza, A; Corbacho, J A; Muñoz-Muñoz, J G

    2015-06-01

    The understanding of downward migration of anthropogenic radionuclides in soil is a key factor in the assessment of their environmental behavior. There are several factors that can affect this process, such as the radionuclide source, their chemical form, soil and environmental characteristics, etc. Two Mediterranean pinewood ecosystems in Spain, which were affected mainly by global fallout, were selected to assess the migration of (137)Cs, (90)Sr, and (239+240)Pu. Using auxiliary modeling (diffusion-convection equation and compartmental model), it followed from field observations that the migration velocities of (90)Sr and (239+240)Pu were similar and higher than that of (137)Cs. The downward migration of radionuclides can be considered a consequence of their association with soil particles. A sequential speciation procedure also confirmed that (90)Sr was the most bioavailable radionuclide followed by (239+240)Pu and (137)Cs. Although this can explain the different velocity of (90)Sr and (137)Cs, bioavailability could not explain by itself the similar velocities of (239+240)Pu and (90)Sr. The presence of organic acids in the soil can also influence the migration of radionuclides attached to them, which decreased in the order: (239+240)Pu > (90)Sr > (137)Cs. Thus, the joint consideration of bioavailable and humic + fulvic acid fractions can explain the observed differences in the downward velocities.

  17. Application of milling machine control system based on TMS320C240 DSP and single chip micro processor%基于TMS320C240 DSP的龙门铣床控制系统应用

    Institute of Scientific and Technical Information of China (English)

    李祖林; 周冬芳

    2003-01-01

    TMS320C24X是专为电机数字控制和其它控制应用系统而设计的系列DSP芯片,针对龙门铣床直流拖动控制系统,设计了以TMS320C240 DSP为控制核心与单片机相结合的数字控制系统,介绍了系统的硬件组成和软件设计算法,实际运行结果表明该系统具有良好的动态性能和较高的速度控制精度.

  18. Comparative study of scattered radiation levels from 80-kVp and 240-kVp x rays in the surgical intensive care unit

    International Nuclear Information System (INIS)

    The levels of scattered radiation from 80-kVp and 240-kVp mobile x-ray units were measured in the surgical intensive care unit (ICU). The intensity of scatter of the 240-kVp x rays does not decrease with distance as rapidly as with the 80-kVp beam. In an ICU with four beds, the weekly radiation exposure at the nurses's station approximated 0.05 mR (0.13 x 10-7 C/kg) for the 80-kVp beam and 0.2 mR (0.52 x 10-7 C/kg) for the 240-kVp beam. Thus, the annual exposure from either unit would be well below the Maximum Permissible Exposure for nonoccupational workers

  19. Pertubation in the 240Pu/239Pu global fallout ratio in local sediments following the nuclear accidents at Thule (Greenland) and Palomares (Spain)

    DEFF Research Database (Denmark)

    Mitchell, P.I.; León Vintró, L.; Dahlgaard, H.;

    1997-01-01

    It is well established that the main source of the plutonium found in marinesediments throughout the Northern Hemisphere is global stratospheric fallout, characterized by a typical Pu-240/Pu-239 atom ratio of similar to 0.18. Measurement of perturbations in this ratio at various sites which had...... been subjected to close-in fallout, mainly from surface-based testing (e.g. Bikini Atoll, Nevada test site, Mururoa Atoll), has confirmed the feasibility of using this ratio to distinguish plutonium from different fallout sources. In the present study, the Pu-240/Pu-239 ratio has been examined...... in samples of sediment (and soil) collected at Thule (Greenland) and Palomares (Spain), where accidents involving the release and dispersion of plutonium from fractured nuclear weapons occurred in 1968 and 1966, respectively. The Pu-240/Pu-239 ratio was measured by high-resolution alpha spectrometry...

  20. Measurement of the fission cross-section of $^{240}$Pu and $^{242}$Pu at CERN's n_TOF Facility

    CERN Multimedia

    Pavlik, A F; Gonzalez romero, E M

    The n_TOF Collaboration proposes to continue the fission program, already started in 2002-2004, taking advantage of the newly constructed Work Sector Type A, with the measurement of the two isotopes : $^{240}$ Pu and $^{242}$ Pu. They are both of major importance for reactor physics applications and are included in the Nuclear Energy Agency (NEA) High Priority List [1], in the NEA WPEC Subgroup 26 Report on the accuracy of nuclear data for advanced reactor designe [2] and in the EU 6$^{th}$ Framework Programme IP-EUROTRANS/NUDATRA reports [3]. Based on those requests, the measurement of the fission cross-section of the two Pu isotopes is one of the objectives of the project ANDES of the FP7 EURATOM program [4].

  1. 复发性念珠菌外阴阴道炎240例治疗观察

    Institute of Scientific and Technical Information of China (English)

    黄立冬

    2008-01-01

    念珠菌性外阴阴道炎(recurrent vulvovaginal candidiasis,RVVC)是妇科常见病,多数病例一经治疗即可痊愈,但少数病例治疗效果较差,反复发作,难以根治,严重影响患者正常的工作和生活。我院2005年3月至2006年10月诊治240例念珠菌性外阴阴道炎患者,现将治疗结果报告如下。

  2. Test and evaluation of the Hoppecke Model E240G144/16 electric vehicle battery charger

    Science.gov (United States)

    Driggans, R. L.; Reese, R. W.; Keller, A. S.

    1984-11-01

    The Hoppecke Model E240 G 144/16 electric vehicle battery charger was tested. Charger input/output voltage, current, and power characteristics and input waveform distortion were measured and induced electromagnetic interference was evaluated as the charger recharged a lead acid battery pack. Electrical quantities were measured with precision volt-ampere-watt meters, frequency counters, a digital storage oscilloscope, and a spectrum analyzer. The Hoppecke charger required 12.2 hours to recharge a 144V battery from 100% depth of discharge (DOD). Energy efficiency was 82%, specific power was 81.2W/Kg (36.8W/lb), input current distortion varied from 52.6 to 73.6%, and electromagnetic interference was observed on AM radio. Charge factor was 1.25 from 100% DOD, increasing to 1.52 from 25% DOD.

  3. Polonium 210Po, uranium (234U, 238U and plutonium (238Pu, 239+240Pu bioaccumulation in marine birds

    Directory of Open Access Journals (Sweden)

    Strumińska-Parulska D. I.

    2013-04-01

    Full Text Available The aim of this work was the determination of 210Po, 234U, 238U, 238Pu and 239+240Pu concentration in marine birds which permanently or temporally live in the southern Baltic Sea coast. We chose 11 species of seabirds: three species permanently residing at southern Baltic Sea, four species of wintering birds and three species of migrating birds. The results show that analyzed radionuclides are non-uniformly distributed in the marine birds. The highest activities of 210Po were observed in feathers, muscles and liver. The highest uranium content was found in liver, rest of viscera and feathers, while plutonium in the digestion organs and feathers. Omnivore seabirds accumulated more polonium, plutonium than species that feed on fish, while herbivore seabirds accumulated more uranium than carnivore.

  4. Enhanced amorphous silicon technology for 320 x 240 microbolometer arrays with a pitch of 35 μm

    Science.gov (United States)

    Mottin, Eric; Martin, Jean-Luc; Ouvrier-Buffet, Jean-Louis; Vilain, Michel; Bain, Astrid; Yon, Jean-Jacques; Tissot, Jean-Luc; Chatard, Jean-Pierre

    2001-10-01

    LETI LIR has been involved in Amorphous Silicon uncooled microbolometer development for years. This technology is now in production at Sofradir and first delivery have already been done to customers. From our background in modeling and material mastering LETI/LIR concentrate now on performance enhancement. This is a key point for cost reduction due to the fact that signal to noise ratio enhancement will allow us to decrease the pitch. A new approach of packaging is also described in this paper and first results are displayed. A new technological stack of amorphous silicon fully compatible with industrial process is presented. Electro-optical results obtained from an IRCMOS 320 X 240 with 35 μm pitch are presented. NETD close to 35 mK has been obtained with our new embodiment of amorphous silicon microbolometer technology.

  5. References to Studies of 137Cs, 90Sr and 239+240Pu in the Pacific Ocean a Bibliography

    Energy Technology Data Exchange (ETDEWEB)

    Noshkin, V.E.

    2001-02-01

    This report contains a listing of publications known to this author on reported concentrations, reviews and discussions of {sup 137}Cs, {sup 90}Sr and {sup 239+240}Pu in seawater, sediment and the biota from parts of the North and South Pacific Ocean. Each reference has been assigned an accession number consisting of the first three letters of the first author's last name followed by the first letter of the first name, the year of the publication and an assigned number. Studies in both the coastal areas and the open ocean are included as well as those providing data within lagoons of coral atolls. Some references to the radionuclides in the Indian Ocean are also provided.

  6. Bioturbation depths, rates and processes in Massachusetts Bay sediments inferred from modeling of 210Pb and 239 + 240Pu profiles

    Science.gov (United States)

    Crusius, John; Bothner, Michael H.; Sommerfield, Christopher K.

    2004-01-01

    Profiles of 210Pb and 239 + Pu from sediment cores collected throughout Massachusetts Bay (water depths of 36-192 m) are interpreted with the aid of a numerical sediment-mixing model to infer bioturbation depths, rates and processes. The nuclide data suggest extensive bioturbation to depths of 25-35 cm. Roughly half the cores have 210Pb and 239 + 240Pu profiles that decrease monotonically from the surface and are consistent with biodiffusive mixing. Bioturbation rates are reasonably well constrained by these profiles and vary from ~0.7 to ~40 cm2 yr-1. As a result of this extensive reworking, however, sediment ages cannot be accurately determined from these radionuclides and only upper limits on sedimentation rates (of ~0.3 cm yr-1) can be inferred. The other half of the radionuclide profiles are characterized by subsurface maxima in each nuclide, which cannot be reproduced by biodiffusive mixing models. A numerical model is used to demonstrate that mixing caused by organisms that feed at the sediment surface and defecate below the surface can cause the subsurface maxima, as suggested by previous work. The deep penetration depths of excess 210Pb and 239 + 240Pu suggest either that the organisms release material over a range of >15 cm depth or that biodiffusive mixing mediated by other organisms is occurring at depth. Additional constraints from surficial sediment 234Th data suggest that in this half of the cores, the vast majority of the present-day flux of recent, nuclide-bearing material to these core sites is transported over a timescale of a month or more to a depth of a few centimeters below the sediment surface. As a consequence of the complex mixing processes, surface sediments include material spanning a range of ages and will not accurately record recent changes in contaminant deposition.

  7. On the origin of the soft photons of the high-synchrotron-peaked blazar PKS 1424+240

    Science.gov (United States)

    Kang, Shi-Ju; Zheng, Yong-Gang; Wu, Qingwen; Chen, Liang

    2016-09-01

    PKS 1424+240 is a distant very-high-energy gamma-ray BL Lac object with redshift z = 0.601. It has been found that models utilizing pure synchrotron self-Compton (SSC) processes normally need extreme input parameters (e.g. a very low magnetic field intensity and an extraordinarily high Doppler factor) to explain this particular object spectral energy distributions (SEDs). In order to avoid these extreme model parameters, various other models have been proposed (e.g. the two-zone SSC model or lepto-hadronic model). In this work, we employ the traditional one-zone leptonic model after including a weak external Compton component in order to explore the simultaneous multiwavelength SEDs of PKS 1424+240 in both the high (2009) and the low (2013) state. We find that the input parameters of the magnetic field and Doppler factor are roughly consistent with those of other BL Lacs if a weak external photon field from either the broad line region (BLR) or the dust torus is assumed. However, the required energy density of seed photons from the BLR or torus is about three orders of magnitude lower than that the energy density estimated from the observations in luminous quasars (e.g. flat-spectrum radio quasars, FSRQs). This result suggests that the BLR/torus in BL Lacs is much weaker than that of luminous FSRQs (but has not fully disappeared), and that the inverse-Compton process of external photons from the BLR/torus may still play a role even in high-synchrotron-peaked blazars.

  8. Analysis on Slope Excavation and Supporting Process of Highway k103+240~580%某高速K103+240~580边坡开挖与支护过程分析

    Institute of Scientific and Technical Information of China (English)

    杨树宝; 代帆; 周灏

    2015-01-01

    某高速公路K103+240~580段以路堑边坡形式通过,前缘开挖坡度较大,造成前缘边坡侧岩土体变薄,形成有利的前缘临空剪出条件,致使滑坡失稳。为此提出了在合理的削坡下,采用“重力式抗滑挡墙+框架锚索”的联合支护方案。通过geo-studio数值模拟软件探讨了边坡的稳定性和支护方案的效果。结果表明:边坡稳定性系数为0.665,处于不稳定状态;合理的削坡急剧减少了滑面上方的土体质量,致使坡面附近应力应变明显降低,一定程度上控制住了滑坡的变形;“重力式抗滑挡墙+框架锚索”支护体系,对边坡变形起到有效的控制,确保了边坡稳定,保证了公路施工安全和正常运营。%The highway k103+240~580 segment adopts the cutting slope, with steep front edge excavation, causing the thinning of the invading side of the front edge,forming favorable cutting conditions for the front edge and causing landslide failure. Therefore, the supporting system of "gravity anti-slide retaining wall + frame anchor" under the reasonable cutting slope is presented. The slope stability and supporting scheme efficiency are discussed with the numerical simulation software geo-studio. The results show that the slope is in the unstable state with the slope stability coefficient of 0. 665, the reason-able cutting slope sharply reduces the quality of soil body at the top of the sliding surface, significantly lowering the stress and strain near the slope and to some extent controlling the deformation of the landslide, and that the supporting system of "gravity anti-slide retaining wall + frame anchor" can effective-ly control slope deformation, ensuring slope stability and highway construction safety and normal operation.

  9. 240 W全桥移相ZVS变换器的设计%Design of a 240 W full-bridge converter with phase shift control and zero voltage switching

    Institute of Scientific and Technical Information of China (English)

    张本庚; 刘平

    2011-01-01

    The phase-shifted full-bridge zero-voltage-switching (PS-FB-ZVS) PWM converter is widely used in medium and high power levels. However, there are two problems existing in this kind of converter; one is that lagging leg has narrow zero-voltage-switching ranges,and the other is that the output rectifier diodes suffer the parasitic oscillation and voltage spike resulted by the reverse recovery of the rectifier diodes. The converter discussed in the literalure one had wide zero-voltage-switching ranges of lagging leg switches by using the magnetizing current. In addition, the resonance between the leakage inductor of the transformer and the rectifier capacitors could reduce the current stresses of the rectifier diodes and coeduction losses. Based on the principle of the converter, one 240 W zero-voltage-switching (ZVS) soft-switching power supply on the phase shift control was designed The procedures of main circuit design were presented. The experimental waveforms were given in the end.%移相全桥零电压变换器在中大功率场合中得到了广泛的应用,但其滞后臂只能在较窄的负载范围内实现软开关,并且其输出整流二极管反向恢复时产生严重的寄生振荡,二极管上存在很高的尖峰压.而文献[1]中变换器的滞后臂利用励磁电感电流可以在较宽的负载范围内实现软开关.变压器的漏感与电容的谐振可以减小整流管的电流应力和导通损失.基于此变换器的工作原理,设计了一台240 W移相控制零电压软开关电源,给出了主电路的设计过程,最后给出了实验波形.

  10. Deposition of [sup 210]Pb, [sup 137]Cs, [sup 239+240]Pu, [sup 238]Pu, and [sup 241]Am in the Antarctic peninsula area

    Energy Technology Data Exchange (ETDEWEB)

    Roos, P.; Holm, E.; Persson, R.B.R. (Lund Univ. (Sweden). Dept. of Radiation Physics); Aarkrog, A.; Nielsen, S.P. (Risoe National Lab., Roskilde (Denmark))

    1994-01-01

    [sup 210]Pb, [sup 137]Cs, [sup 239+240]Pu, [sup 238]Pu, and [sup 241]Am were analysed in lichen, moss, grass and soil samples, as well as in lake sediments, from the South Shetland Islands, the Antarctic, in order to evaluate the flux and deposition of these elements. Average inventories of the analysed radionuclides in 1988 are given. The ratios [sup 238]Pu/[sup 239+240]Pu and [sup 241]Am/[sup 239+240]Pu of 0.21 [+-] 0.04 and 0.35 [+-] 0.08 respectively agree well with expected values in this area. A significant difference in [sup 137]Cs/[sup 239+240]Pu ratios between lichens and moss/grass/soil is observed which may be an effect of submerging and melt water altering radionuclide ratios. From one of three lakes studied it is possible to perform [sup 210]Pb dating with reasonable accuracy showing an average annual sediment accumulation in this lake of about 45 g m[sup -2]. (author).

  11. 17 CFR 240.12f-2 - Extending unlisted trading privileges to a security that is the subject of an initial public...

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Extending unlisted trading... Unlisted Trading § 240.12f-2 Extending unlisted trading privileges to a security that is the subject of an initial public offering. (a) General provision. A national securities exchange may extend unlisted...

  12. Genotype by environment interaction in different birth seasons for weight at 240, 365 and 450 days of age in Tabapuã cattle

    Directory of Open Access Journals (Sweden)

    Severino Cavalcante de Sousa Júnior

    2012-10-01

    Full Text Available The objective of this study was to evaluate the effect of genotype by environment interaction (GEI on the weight of Tabapuã cattle at 240 (W240, 365 (W365 and 450 (W450 days of age. In total, 35,732 records of 8,458 Tabapuã animals which were born in the state of Bahia, Brazil, from 1975 to 2001, from 167 sires and 3,707 dams, were used. Two birth seasons were tested as for the environment effect: the dry (D and rainy (R ones. The covariance components were obtained by a multiple-trait analysis using Bayesian inference, in which each trait was considered as being different in each season. Covariance components were estimated by software gibbs2f90. As for W240, the model was comprised of contemporary groups and cow age (in classes as fixed effects; animal and maternal genetic additive, maternal permanent environmental and residual were considered as random effects. Concerning W365 and W450, the model included only the contemporary aged cow groups as fixed effects and the genetic additive and residual effects of the animal as the random ones. The GEI was assessed considering the genetic correlation, in which values below 0.80 indicated the presence of GEI. Regarding W365 and W450, the GEI was found in both seasons. As for post-weaning weight (W240, the effect of such interaction was not observed.

  13. Perturbation in the 240Pu/239Pu global fallout ratio in local sediment following the nuclear accidents at Thule (Greenland) and Palomares (Spain)

    International Nuclear Information System (INIS)

    It is well established that the main source of the plutonium found in marine sediments throughout the Northern Hemisphere is global stratospheric fallout, characterized by a typical 240Pu/239Pu atom ratio of ∼0.18. Measurements of perturbations in this ratio at various sites which had been subjected to close-in fallout, mainly from surface-based testing, has confirmed the feasibility of using this ratio to distinguish plutonium from different fallout sources. In the present study, the 240Pu/239Pu ratio has been examined in samples of sediment collected at Thule (Greenland) and Palomares (Spain), where accidents involving the release and dispersion of plutonium from fractured nuclear weapons occurred in 1968 and 1966, respectively. The 240Pu/239Pu ratio was measured by high-resolution alpha spectrometry and spectral deconvolution. The analytical results showed that at Thule the mean 240Pu/239Pu atom ratio was 0.033±0.004, while at Palomares the equivalent ratio appeared to be significantly higher at 0.056±0.003. Both ratios are consistent with those reported for soils samples at the Nevada site and Nagasaki, and are clearly indicative of weapons-grade plutonium. 27 refs., 1 fig., 2 tabs

  14. 17 CFR 240.17Ad-11 - Reports regarding aged record differences, buy-ins and failure to post certificate detail to...

    Science.gov (United States)

    2010-04-01

    ... Securities Exchange Act of 1934 Supervised Investment Bank Holding Company Rules § 240.17Ad-11 Reports... and subsidiary files. (a) Definitions. (1) Issuer capitalization means the market value of the issuer... differences, buy-ins and failure to post certificate detail to master securityholder and subsidiary files....

  15. Determination of plutonium isotopes (238Pu, 239Pu, 240Pu, 241Pu) in environmental samples using radiochemical separation combined with radiometric and mass spectrometric measurements.

    Science.gov (United States)

    Xu, Yihong; Qiao, Jixin; Hou, Xiaolin; Pan, Shaoming; Roos, Per

    2014-02-01

    This paper reports an analytical method for the determination of plutonium isotopes ((238)Pu, (239)Pu, (240)Pu, (241)Pu) in environmental samples using anion exchange chromatography in combination with extraction chromatography for chemical separation of Pu. Both radiometric methods (liquid scintillation counting and alpha spectrometry) and inductively coupled plasma mass spectrometry (ICP-MS) were applied for the measurement of plutonium isotopes. The decontamination factors for uranium were significantly improved up to 7.5 × 10(5) for 20 g soil compared to the level reported in the literature, this is critical for the measurement of plutonium isotopes using mass spectrometric technique. Although the chemical yield of Pu in the entire procedure is about 55%, the analytical results of IAEA soil 6 and IAEA-367 in this work are in a good agreement with the values reported in the literature or reference values, revealing that the developed method for plutonium determination in environmental samples is reliable. The measurement results of (239+240)Pu by alpha spectrometry agreed very well with the sum of (239)Pu and (240)Pu measured by ICP-MS. ICP-MS can not only measure (239)Pu and (240)Pu separately but also (241)Pu. However, it is impossible to measure (238)Pu using ICP-MS in environmental samples even a decontamination factor as high as 10(6) for uranium was obtained by chemical separation. PMID:24401459

  16. 20 CFR 666.240 - Under what circumstances may a sanction be applied to a State that fails to achieve negotiated...

    Science.gov (United States)

    2010-04-01

    ....240 Employees' Benefits EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR PERFORMANCE... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false Under what circumstances may a sanction be... agreed to under § 666.120 for core indicators of performance or customer satisfaction indicators for...

  17. 20 CFR 661.240 - How do the unified planning requirements apply to the five-year strategic WIA and Wagner-Peyser...

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false How do the unified planning requirements apply to the five-year strategic WIA and Wagner-Peyser plan and to other Department of Labor plans? 661... ACT State Governance Provisions § 661.240 How do the unified planning requirements apply to the...

  18. Speciation analysis of 129I, 137Cs, 232Th, 238U, 239Pu and 240Pu in environmental soil and sediment

    DEFF Research Database (Denmark)

    Qiao, Jixin; Hansen, Violeta; Hou, Xiaolin;

    2012-01-01

    The environmental mobility and bioavailability of radionuclides are related to their physicochemical forms, namely species. We here present a speciation analysis of important radionuclides including 129I (also 127I), 137Cs, 232Th, 238U and plutonium isotopes (239Pu and 240Pu) in soil (IAEA-375...

  19. Determination of plutonium isotopes (238Pu, 239Pu, 240Pu, 241Pu) in environmental samples using radiochemical separation combined with radiometric and mass spectrometric measurements.

    Science.gov (United States)

    Xu, Yihong; Qiao, Jixin; Hou, Xiaolin; Pan, Shaoming; Roos, Per

    2014-02-01

    This paper reports an analytical method for the determination of plutonium isotopes ((238)Pu, (239)Pu, (240)Pu, (241)Pu) in environmental samples using anion exchange chromatography in combination with extraction chromatography for chemical separation of Pu. Both radiometric methods (liquid scintillation counting and alpha spectrometry) and inductively coupled plasma mass spectrometry (ICP-MS) were applied for the measurement of plutonium isotopes. The decontamination factors for uranium were significantly improved up to 7.5 × 10(5) for 20 g soil compared to the level reported in the literature, this is critical for the measurement of plutonium isotopes using mass spectrometric technique. Although the chemical yield of Pu in the entire procedure is about 55%, the analytical results of IAEA soil 6 and IAEA-367 in this work are in a good agreement with the values reported in the literature or reference values, revealing that the developed method for plutonium determination in environmental samples is reliable. The measurement results of (239+240)Pu by alpha spectrometry agreed very well with the sum of (239)Pu and (240)Pu measured by ICP-MS. ICP-MS can not only measure (239)Pu and (240)Pu separately but also (241)Pu. However, it is impossible to measure (238)Pu using ICP-MS in environmental samples even a decontamination factor as high as 10(6) for uranium was obtained by chemical separation.

  20. 17 CFR 240.12a-7 - Exemption of stock contained in standardized market baskets from section 12(a) of the Act.

    Science.gov (United States)

    2010-04-01

    ... Exempted from Registration § 240.12a-7 Exemption of stock contained in standardized market baskets from section 12(a) of the Act. (a) Any component stock of a standardized market basket shall be exempt from the... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Exemption of stock...

  1. 137Cs, 239,240Pu and 241Am in boreal forest soil and their transfer into wild mushrooms and berries

    International Nuclear Information System (INIS)

    Profiles of podzolic soil from boreal forests were sampled from eight sites in Finland and the distribution of 137Cs in the soil layers was determined. In addition, 239,240Pu and 241Am were determined from two soil profiles taken at one sampling site. Inventories of 137Cs in the soil profiles varied between 1.7 kBq/m2 and 42 kBq/m2, reflecting known variation in 137Cs fallout from the Chernobyl accident. The highest proportions of the radionuclides were found in the organic layer at a depth of less than 5 cm, which on average contained 47% of 137Cs, 76% of 239,240Pu and 79% of 241Am. In the litter, clearly higher proportions of 137Cs were found compared to 239,240Pu and 241Am, probably indicating its more effective recycling from the organic layer back to the surface. Only very minor proportions of 137Cs were recorded below 20 cm. The concentration of 137Cs in the soil profiles could be approximated with a declining logarithmic trend. The activity concentrations of 137Cs were determined for six wild mushroom species and three wild berry species at two sites, as well as the aggregated transfer factors and the distribution of 137Cs between their various parts. In addition, 239,240Pu and 241Am were determined in one mushroom and three berry species at one site. Very high concentrations of 137Cs, up to 20 kBq/kg (d.w.), were found in mushrooms, and their transfer factors were between 0.1 m2/kg and 1.0 m2/kg. In berries, the transfer factors were an order of magnitude lower. 137Cs accumulated more in the caps of mushrooms and in the fruits of berries than in other parts. Transfer factors for 239,240Pu and 241Am were two to three orders of magnitude lower than those of 137Cs. - Highlights: ► 137Cs, 239,240Pu and 241Am mainly concentrated in organic layer in podzolic soil. ► Distribution of 137Cs in the upper 20 cm soil follows exponential declining trend. ► 137Cs concentrates into mushrooms but varies considerably between species. ► 137Cs concentrates in mushroom

  2. Plutonium concentration and (240)Pu/(239)Pu atom ratio in biota collected from Amchitka Island, Alaska: recent measurements using ICP-SFMS.

    Science.gov (United States)

    Bu, Kaixuan; Cizdziel, James V; Dasher, Douglas

    2013-10-01

    Three underground nuclear tests, including the Unites States' largest, were conducted on Amchitka Island, Alaska. Monitoring of the radiological environment around the island is challenging because of its remote location. In 2008, the Department of Energy (DOE) Office of Legacy Management (LM) became responsible for the long term maintenance and surveillance of the Amchitka site. The first DOE LM environmental survey occurred in 2011 and is part of a cycle of activities that will occur every 5 years. The University of Alaska Fairbanks, a participant in the 2011 study, provided the lichen (Cladonia spp.), freshwater moss (Fontinalis neomexicanus), kelp (Eualaria fistulosa) and horse mussel (Modiolus modiolus) samples from Amchitka Island and Adak Island (a control site). These samples were analyzed for (239)Pu and (240)Pu concentration and (240)Pu/(239)Pu atom ratio using inductively coupled plasma sector field mass spectrometry (ICP-SFMS). Plutonium concentrations and (240)Pu/(239)Pu atom ratios were generally consistent with previous terrestrial and marine studies in the region. The ((239)+)(240)Pu levels (mBq kg(-1), dry weight) ranged from 3.79 to 57.1 for lichen, 167-700 for kelp, 27.9-148 for horse mussel, and 560-573 for moss. Lichen from Adak Island had higher Pu concentrations than Amchitka Island, the difference was likely the result of the higher precipitation at Adak compared to Amchitka. The (240)Pu/(239)Pu atom ratios were significantly higher in marine samples compared to terrestrial and freshwater samples (t-test, p Pu occurred into the North Pacific Ocean, likely from the Marshall Island high yield nuclear tests, but other potential sources, such as the Kamchatka Peninsula Rybachiy Naval Base and Amchitka Island underground nuclear test site cannot be ruled out.

  3. Clinical observation of 3 antifungal creams in treating the 240 patients with superficial mycoses%3种抗真菌药物治疗浅部真菌病240例临床探讨

    Institute of Scientific and Technical Information of China (English)

    陈德华; 刘群英; 黄熙; 程培华; 黄苹

    2006-01-01

    目的:探讨复方硝酸益康唑乳膏、特比奈芬乳膏、联苯苄唑乳膏外用治疗浅部皮肤真菌病的疗效.方法:共观察浅部皮肤真菌病240例,随机分为A、B、C 3组,每组各80例.A组外用复方硝酸益康唑乳膏;B组外用特比奈芬乳膏;C组外用联苯苄唑乳膏;均外涂2次/d,3组疗程均为2周,比较其临床疗效.结果:A组治愈率65.0%,总有效率为82.5%;B组治愈率60.0%,总有效率为80.0%;C组治愈率61.3%,总有效率为81.3%,3组临床疗效经统计学处理无显著差异(P>0.05).结论:3种抗真菌药物乳膏外用治疗浅部皮肤真菌病疗效肯定,安全性好,价格适中,可作为临床常规用药.

  4. Using 239+240Pu atmospheric deposition and a simplified mass-balance model to re-estimate the soil erosion rate. A case study of Liaodong Bay in China

    International Nuclear Information System (INIS)

    By using the mass balance model of 137Cs and introducing 239+240Pu atmospheric deposition, a simplified mass balance model of 239+240Pu was developed and the soil erosion rate was re-estimated. The results indicated that the reference inventory of 239+240Pu was estimated to be 88.4 Bq/m2 in Liaodong Bay. In addition, the atomic ratios of 240Pu/239Pu in all core samples were approximately 0.18, which indicated that the major source of Pu was the global fallout. Statistical analysis of the erosion rates derived from the model demonstrates that the 239+240Pu atmospheric deposition is a feasible way to estimate the soil erosion rate and further improve tracer technique to assess the soil erosion rate. (author)

  5. (236)U and (239,)(240)Pu ratios from soils around an Australian nuclear weapons test site.

    Science.gov (United States)

    Tims, S G; Froehlich, M B; Fifield, L K; Wallner, A; De Cesare, M

    2016-01-01

    The isotopes (236)U, (239)Pu and (240)Pu are present in surface soils as a result of global fallout from nuclear weapons tests carried out in the 1950's and 1960's. These isotopes potentially constitute artificial tracers of recent soil erosion and sediment movement. Only Accelerator Mass Spectrometry has the requisite sensitivity to measure all three isotopes at these environmental levels. Coupled with its relatively high throughput capabilities, this makes it feasible to conduct studies of erosion across the geographical extent of the Australian continent. In the Australian context, however, global fallout is not the only source of these isotopes. As part of its weapons development program the United Kingdom carried out a series of atmospheric and surface nuclear weapons tests at Maralinga, South Australia in 1956 and 1957. The tests have made a significant contribution to the Pu isotopic abundances present in the region around Maralinga and out to distances ∼1000 km, and impact on the assessment techniques used in the soil and sediment tracer studies. Quantification of the relative fallout contribution derived from detonations at Maralinga is complicated owing to significant contamination around the test site from numerous nuclear weapons safety trials that were also carried out around the site. We show that (236)U can provide new information on the component of the fallout that is derived from the local nuclear weapons tests, and highlight the potential of (236)U as a new fallout tracer.

  6. Suzaku measurement of electron and magnetic energy densities in the east lobe of the giant radio galaxy DA 240

    CERN Document Server

    Isobe, Naoki; Tashiro, Makoto S

    2011-01-01

    A careful analysis of the Suzaku data of the giant radio galaxy DA 240, of which the size is 1.48 Mpc, revealed diffuse X-ray emission associated with its east lobe. The diffuse X-ray spectrum was described with a simple power-law model with a photon index of 1.92 (-0.17+0.13) (-0.06+0.04), where the first and second errors represent the statistical and systematic ones. The agreement with the synchrotron radio photon index, 1.95 +- 0.01 in 326 -- 608.5 MHz, ensures that the excess X-ray emission is attributed to the inverse Compton emission from the synchrotron-radiating electrons, boosting up the cosmic microwave background photons. From the X-ray flux density, 51.5 +-3.9 (-5.4+6.2) nJy at 1 keV derived with the photon index fixed at the radio index, in comparison with the synchrotron radio intensity of 10.30 +- 0.12 Jy at 326 MHz, the magnetic and electron energy densities was estimated as u_m = (3.0 +-0.2 +-0.4) \\times 10^(-14) ergs/cm3 and u_e = (3.4 (-0.2+0.3) (-0.4+0.5)) \\times 10^(-14) ergs/cm3 integra...

  7. Corrective Action Investigation Plan for Corrective Action Unit 240: Area 25 Vehicle Washdown Nevada Test Site, Nevada

    Energy Technology Data Exchange (ETDEWEB)

    DOE/NV

    1999-01-25

    This Corrective Action Investigation Plan (CAIP) has been developed in accordance with the Federal Facility Agreement and Consent Order (FFACO) that was agreed to by the US Department of Energy, Nevada Operations Office (DOE/NV); the State of Nevada Division of Environmental Protection (NDEP); and the US Department of Defense (FFACO, 1996). The CAIP is a document that provides or references all of the specific information for investigation activities associated with Corrective Action Units (CAUs) or Corrective Action Sites (CASs). According to the FFACO, CASs are sites potentially requiring corrective action(s) and may include solid waste management units or individual disposal or release sites (FFACO, 1996). Corrective Action Units consist of one or more CASs grouped together based on geography, technical similarity, or agency responsibility for the purpose of determining corrective actions. This CAIP contains the environmental sample collection objectives and the criteria for conducting site investigation activities at CAU 240, Area 25 Vehicle Washdown, which is located on the Nevada Test Site (NTS).

  8. MAGIC long-term study of the distant TeV blazar PKS 1424+240 in a multiwavelength context

    CERN Document Server

    Aleksić, J; Antonelli, L A; Antoranz, P; Babic, A; Bangale, P; de Almeida, U Barres; Barrio, J A; González, J Becerra; Bednarek, W; Bernardini, E; Biland, A; Blanch, O; Bonnefoy, S; Bonnoli, G; Borracci, F; Bretz, T; Carmona, E; Carosi, A; Fidalgo, D Carreto; Colin, P; Colombo, E; Contreras, J L; Cortina, J; Covino, S; Da Vela, P; Dazzi, F; De Angelis, A; De Caneva, G; De Lotto, B; Mendez, C Delgado; Doert, M; Domínguez, A; Prester, D Dominis; Dorner, D; Doro, M; Einecke, S; Eisenacher, D; Elsaesser, D; Farina, E; Ferenc, D; Fonseca, M V; Font, L; Frantzen, K; Fruck, C; López, R J García; Garczarczyk, M; Terrats, D Garrido; Gaug, M; Godinović, N; Muñoz, A González; Gozzini, S R; Hadasch, D; Hayashida, M; Herrera, J; Herrero, A; Hildebrand, D; Hose, J; Hrupec, D; Idec, W; Kadenius, V; Kellermann, H; Kodani, K; Konno, Y; Krause, J; Kubo, H; Kushida, J; La Barbera, A; Lelas, D; Lewandowska, N; Lindfors, E; Lombardi, S; López, M; López-Coto, R; López-Oramas, A; Lorenz, E; Lozano, I; Makariev, M; Mallot, K; Maneva, G; Mankuzhiyil, N; Mannheim, K; Maraschi, L; Marcote, B; Mariotti, M; Martínez, M; Mazin, D; Menzel, U; Meucci, M; Miranda, J M; Mirzoyan, R; Moralejo, A; Munar-Adrover, P; Nakajima, D; Niedzwiecki, A; Nilsson, K; Nishijima, K; Noda, K; Nowak, N; Orito, R; Overkemping, A; Paiano, S; Palatiello, M; Paneque, D; Paoletti, R; Paredes, J M; Paredes-Fortuny, X; Partini, S; Persic, M; Prada, F; Moroni, P G Prada; Prandini, E; Preziuso, S; Puljak, I; Reinthal, R; Rhode, W; Ribó, M; Rico, J; Garcia, J Rodriguez; Rügamer, S; Saggion, A; Saito, T; Saito, K; Satalecka, K; Scalzotto, V; Scapin, V; Schultz, C; Schweizer, T; Shore, S N; Sillanpää, A; Sitarek, J; Snidaric, I; Sobczynska, D; Spanier, F; Stamatescu, V; Stamerra, A; Steinbring, T; Storz, J; Sun, S; Surić, T; Takalo, L; Takami, H; Tavecchio, F; Temnikov, P; Terzić, T; Tescaro, D; Teshima, M; Thaele, J; Tibolla, O; Torres, D F; Toyama, T; Treves, A; Uellenbeck, M; Vogler, P; Wagner, R M; Zandanel, F; Zanin, R; Cutini, S; Gasparrini, D; Furniss, A; Hovatta, T; Kangas, T; Kankare, E; Kotilainen, J; Lister, M; Lähteenmäki, A; Max-Moerbeck, W; Pavlidou, V; Readhead, A; Richards, J

    2014-01-01

    Aims. We present a study of the very high energy (VHE; E>100 GeV) gamma-ray emission of the blazar PKS 1424+240 observed with the MAGIC telescopes. The primary aim of this paper is the multiwavelength spectral characterization and modeling of this blazar, made particularly interesting by the recent discovery of a lower limit of its redshift of z>0.6, which makes it a promising candidate to be the most distant VHE source. Methods. The source has been observed with the MAGIC telescopes in VHE gamma rays for a total observation time of 33.6 h from 2009 to 2011. Results. The source was marginally detected in VHE gamma rays during 2009 and 2010 and later the detection was confirmed during an optical outburst in 2011. The combined significance of the stacked sample is 7.2 sigma. The differential spectra measured during the different campaigns can be described by steep power laws, with the indices ranging from 3.5+/-1.2 to 5.0+/-1.7. The MAGIC spectra corrected for the absorption due to the extragalactic background ...

  9. (236)U and (239,)(240)Pu ratios from soils around an Australian nuclear weapons test site.

    Science.gov (United States)

    Tims, S G; Froehlich, M B; Fifield, L K; Wallner, A; De Cesare, M

    2016-01-01

    The isotopes (236)U, (239)Pu and (240)Pu are present in surface soils as a result of global fallout from nuclear weapons tests carried out in the 1950's and 1960's. These isotopes potentially constitute artificial tracers of recent soil erosion and sediment movement. Only Accelerator Mass Spectrometry has the requisite sensitivity to measure all three isotopes at these environmental levels. Coupled with its relatively high throughput capabilities, this makes it feasible to conduct studies of erosion across the geographical extent of the Australian continent. In the Australian context, however, global fallout is not the only source of these isotopes. As part of its weapons development program the United Kingdom carried out a series of atmospheric and surface nuclear weapons tests at Maralinga, South Australia in 1956 and 1957. The tests have made a significant contribution to the Pu isotopic abundances present in the region around Maralinga and out to distances ∼1000 km, and impact on the assessment techniques used in the soil and sediment tracer studies. Quantification of the relative fallout contribution derived from detonations at Maralinga is complicated owing to significant contamination around the test site from numerous nuclear weapons safety trials that were also carried out around the site. We show that (236)U can provide new information on the component of the fallout that is derived from the local nuclear weapons tests, and highlight the potential of (236)U as a new fallout tracer. PMID:26141189

  10. 人工流产术后即时放置宫内节育器240例观察

    Institute of Scientific and Technical Information of China (English)

    郝丽

    2011-01-01

    目的 观察比较人工流产术后即时放置爱母IUD和母体乐375 IUD的临床效果.方法 选择知情同意于人工流产术后放置IUD的育龄妇女240例,随机分成A、B 2组各120例,分别放置爱母IUD、母体乐375 IUD,并进行12个月的随访观察和比较.结果 爱母IUD和母体乐375 IUD在腰酸腹坠、白带增多、移位脱落、带器妊娠、因症取出率等方面差异有显著性(P<0.05).结论 爱母IUD更适合人工流产术后即时放置.

  11. Decreasing monsoon precipitation in southwest China during the last 240 years associated with the warming of tropical ocean

    Science.gov (United States)

    Tan, Liangcheng; Cai, Yanjun; An, Zhisheng; Cheng, Hai; Shen, Chuan-Chou; Gao, Yongli; Edwards, R. Lawrence

    2016-05-01

    Based on an absolutely dated stalagmite δ18O record from Yunnan province, China, we reconstructed monsoon precipitation variations in southwest China since 1760 AD with a resolution of about 2 years. Combining the speleothem δ18O and observed rainfall records, we find an overall decreasing trend in monsoon precipitation in this region and suggest that the recent drought in 2009-2012 AD has been the driest since 1760 AD. Our speleothem record is consistent with the monsoon precipitation records reconstructed from tree rings in the Nepal Himalaya and southeastern Tibetan Plateau. However, it is anti-correlated with a speleothem record from central India, which confirms the observed anti-phase variations of Indian monsoon precipitation with moistures from the Bay of Bengal and Arabian Sea on multi-decadal to centennial timescales during historical time. The long-term warming of tropical ocean may have caused the decrease of the land-sea thermal gradient and the amount of moisture transported from the Bay of Bengal, which may reduce precipitations in southwest China during the last 240 years. On decadal scale, El Nińo-like conditions of tropical Pacific sea surface temperature may cause drought in this region. Climate model simulations suggest El Niño-like conditions exist in tropical Pacific under global warming scenarios. As a result, it is crucial to have adaptive strategies to overcome future declines in precipitation and/or drought events in southwest China.

  12. MM-MDS: a multidimensional scaling database with similarity ratings for 240 object categories from the Massive Memory picture database.

    Science.gov (United States)

    Hout, Michael C; Goldinger, Stephen D; Brady, Kyle J

    2014-01-01

    Cognitive theories in visual attention and perception, categorization, and memory often critically rely on concepts of similarity among objects, and empirically require measures of "sameness" among their stimuli. For instance, a researcher may require similarity estimates among multiple exemplars of a target category in visual search, or targets and lures in recognition memory. Quantifying similarity, however, is challenging when everyday items are the desired stimulus set, particularly when researchers require several different pictures from the same category. In this article, we document a new multidimensional scaling database with similarity ratings for 240 categories, each containing color photographs of 16-17 exemplar objects. We collected similarity ratings using the spatial arrangement method. Reports include: the multidimensional scaling solutions for each category, up to five dimensions, stress and fit measures, coordinate locations for each stimulus, and two new classifications. For each picture, we categorized the item's prototypicality, indexed by its proximity to other items in the space. We also classified pairs of images along a continuum of similarity, by assessing the overall arrangement of each MDS space. These similarity ratings will be useful to any researcher that wishes to control the similarity of experimental stimuli according to an objective quantification of "sameness." PMID:25390369

  13. MM-MDS: a multidimensional scaling database with similarity ratings for 240 object categories from the Massive Memory picture database.

    Directory of Open Access Journals (Sweden)

    Michael C Hout

    Full Text Available Cognitive theories in visual attention and perception, categorization, and memory often critically rely on concepts of similarity among objects, and empirically require measures of "sameness" among their stimuli. For instance, a researcher may require similarity estimates among multiple exemplars of a target category in visual search, or targets and lures in recognition memory. Quantifying similarity, however, is challenging when everyday items are the desired stimulus set, particularly when researchers require several different pictures from the same category. In this article, we document a new multidimensional scaling database with similarity ratings for 240 categories, each containing color photographs of 16-17 exemplar objects. We collected similarity ratings using the spatial arrangement method. Reports include: the multidimensional scaling solutions for each category, up to five dimensions, stress and fit measures, coordinate locations for each stimulus, and two new classifications. For each picture, we categorized the item's prototypicality, indexed by its proximity to other items in the space. We also classified pairs of images along a continuum of similarity, by assessing the overall arrangement of each MDS space. These similarity ratings will be useful to any researcher that wishes to control the similarity of experimental stimuli according to an objective quantification of "sameness."

  14. 242Pu as tracer for simultaneous determination of 237Np and 239,240Pu in environmental samples

    DEFF Research Database (Denmark)

    Chen, Q.J.; Dahlgaard, H.; Nielsen, S.P.;

    2002-01-01

    A procedure has been developed using Pu-242 as tracer for simultaneous determination of Np-237 and Pu-239,Pu-240 in environmental samples. The validity of the method has been demonstrated by ICPMS and alpha-spectroscopy for up to 10 gram soil and sediment, seawater up to 200 litres. The paper...... describes a suitable chemical procedure for Np and Pu including a quantitative pre-concentration of neptunium and plutonium, preparation of Np4+ and Pu4+, NP(NO3)(6)(2-) and Pu(NO3)(6)(2-), The ratio of Np-237/Pu-242 (or Np-237/Pu-239) before and after the procedure has been determined using 10 g soil (free...... from Np and Pu) R-before/R-after = 1.004 +/- 3.3% (S.D n = 20) and 1 litre seawater R-before/R-after = 1.019+/-1.9% (S.D., n = 12). Results from the intercomparison samples LAEA-135, LAEA-381 and from environmental samples are presented....

  15. Expressions of D2-40, CK19, galectin-3, VEGF and EGFR in papillary thyroid carcinoma and their clinical significances%D2-40,CK19,galectin-3,VEGF和EGFR在甲状腺乳头状癌中的表达及其临床意义

    Institute of Scientific and Technical Information of China (English)

    巩雷; 陈萍; 刘宪军; 韩影; 周艳萍; 张卫东; 李红; 李传甲; 谢江

    2011-01-01

    目的 研究甲状腺乳头状癌中D2-40,CK19,galectin-3,VEGF和EGFR的表达及其临床意义.方法 应用免疫组化法检测38例甲状腺乳头状癌和12例甲状腺乳头状增生组织中D2-40,CK19,galectin-3,VEGF和EGFR的表达水平.结果 D2-40,CK19,galectin-3,VEGF和EGFR在甲状腺乳头状癌中的阳性表达率明显高于甲状腺乳头状增生组织(P<0.05);D2-40,VEGF,EGFR在甲状腺乳头状癌组织中有淋巴结转移组的表达高于无淋巴结转移组(P<0.05);CK19,galectin-3在甲状腺乳头状癌中的表达在有、无淋巴结转移组之间无统计学差异(P>0.05).结论 D2-40,CK19,galectin-3,VEGF及EGFR的检测有助于甲状腺乳头状癌与甲状腺乳头状增生的诊断和鉴别诊断;D2-40,VEGF和EGFR的表达与甲状腺乳头状癌淋巴结转移有关,对预测淋巴结的转移与否可能有帮助.%Objective To investigate the expressions of D2-40, CK19, galectin-3 , VEGF and EGFR in papillary thyroid carcinoma and their clinical significances. Methods The expressions of D2-40, CK19, galectin-3, VEGF and EGFR in 38 cases of papillary thyroid carcinoma and 12 cases of thyroid papillary hyperplasia were detected by immunohistochemical staining. Results The positive expression rates of D2-40 , CK19 , Galectin-3 , VEGF and EGFR in patients with papillary thyroid carcinoma were all significantly higher than those in patients with thyroid papillary hyperplasia (all P < 0. 05 ) . The expressions of D2-40, VEGF and EGFR in papillary thyroid carcinoma with lymph node metastasis were significantly higher than those without lymph node metastasis (P<0.05). The expressions of CK19 and galectin-3 showed no significant differences between the papillary thyroid carcinomas with and without lymph node metastasis ( P > 0. 05 ). Conclusions The detection of D2-40, CK19, galectin-3, VEGF and EGFR is helpful to diagnosis and differential diagnosis of papillary thyroid carcinoma and thyroid papillary hyperplasia

  16. I. Nuclear Production Reaction and Chemical Isolation Procedure for Americium-240 II. New Superheavy Element Isotopes: Plutonium-242(Calcium-48,5n)(285)114

    Science.gov (United States)

    Ellison, Paul Andrew

    2011-12-01

    Part I discusses the study of a new nuclear reaction and chemical separation procedure for the production of 240Am. Thin 242Pu, natTi, and natNi targets were coincidently activated with protons from the 88-Inch Cyclotron, producing 240Am, 48V, and 57Ni, respectively. The radioactive decay of these isotopes was monitored using high-purity Ge gamma ray detectors in the weeks following irradiation. The excitation function for the 242 Pu(p, 3n)240Am nuclear reaction was measured to be lower than theoretical predictions, but high enough to be the most viable nuclear reaction for the large-scale production of 240 Am. Details of the development of a chemical separation procedure for isolating 240Am from proton-irradiated 242Pu are discussed. The separation procedure, which includes two anion exchange columns and two extraction chromatography columns, was experimentally investi- gated using tracer-level 241Am, 239Pu, and model proton-induced fission products 95Zr, 95Nb, 125Sb, and 152Eu. The separation procedure was shown to have an Am/Pu separation factor of >2x10 7 and an Am yield of ˜70%. The separation procedure was found to purify the Am sample from >99.9% of Eu, Zr, Nb, and Sb. The procedure is well suited for the processing of ˜1 gram of proton-irradiated 242Pu to produce a neutron-induced fission target consisting of tens of nanograms of 240Am. Part II describes the use of the Berkeley Gas-filled Separator at the Lawrence Berkeley National Laboratory 88-Inch Cyclotron for the study of the 242Pu(48Ca,5n)285114 nuclear re- action. The new, neutron-deficient, superheavy element isotope 285114 was produced in 48Ca irradiations of 242Pu targets at a center-of-target beam energy of 256 MeV ( E* = 50 MeV). The alpha decay of 285114 was followed by the sequential alpha decay of four daughter nuclides, 281Cn, 277Ds, 273Hs, and 269 Sg. 265Rf was observed to decay by spontaneous fission. The measured alpha-decay Q-values were compared with those from a macroscopic

  17. Effect of adjuvant S240 on atomization of water dispersible granule and emulsion solution%助剂S240对水分散性粒剂及乳油药液雾化的影响

    Institute of Scientific and Technical Information of China (English)

    张文君; 何雄奎; 宋坚利; 王昌陵; Andreas. Herbst

    2014-01-01

    为探究药液性质对喷头雾化的影响,该文应用粒子图像分析系统、高速摄影仪及粒径分析仪对ST110-03喷头与IDK120-03喷头进行试验研究,分析了水分散性粒剂Don-q、乳油Score及2种药剂条件下助剂Breakthru S240浓度对雾化区及雾滴谱的影响。未添加助剂时,农药剂型不同,2类喷头的雾化区及雾滴体积中径(volume medium diameter, VMD)均发生显著变化,水分散性粒剂溶液与自来水的雾化区结构、液膜长度和VMD相差不大;乳油溶液可以使2类喷头的雾化区结构发生显著变化,液膜长度分别减小35.2%和40.5%,VMD分别增大13.5%和28.9%;不同剂型农药条件下,随助剂浓度增大,2类喷头液膜区及破碎区结构均发生不同程度的变化,液膜长度均先减小后增大,VMD先增加后减小,即液膜长度变化与VMD变化呈现负相关性。结合药液理化性质研究发现表面张力是影响雾化的重要因素之一。该研究可为田间助剂浓度的添加范围及喷头雾化特性的模拟与模型建立提供参考。%In order to study effect liquid characteristic on nozzle atomization process, this article applied Particle Droplets Image Analysis, high speed camera, and Malvern particle sizer to carry out experiment which focused on how Don-q, Score and the concentration of Breakthru S240 affected spraying sheet and droplet spectrum with conventional fan nozzle ST110-03 and anti-drift nozzle IDK120-03. The concentration of Don-q, Score solution was 0.275 % and 0.1 % respectively and the concentration of Breakthru S240 added into Don-q and Score was 0, 0.01%, 0.03%, 0.05%, 0.07%, 0.1%. Whole images and Detail image of ST110-03 and IDK120-03 nozzles’ spraying sheet were taken at 0.3 MPa to observe its structure and to analyze the influence of type of formulation and adjuvant concentration using high speed camera and PDIA respectively. And VMD was obtained from Malvern particle sizer

  18. The relationship between interictal epileptic discharges and sleep cycle of 240 epilepsy patients%癫痫患者240例发作间期癫痫样放电与睡眠周期的关系

    Institute of Scientific and Technical Information of China (English)

    吕玉丹; 初凤娜; 孟红梅; 崔俐; 王赞

    2014-01-01

    目的 癫痫患者的癫痫样放电(EDs)常常引起较差的睡眠质量.我们通过观察癫痫患者不同睡眠分期中EDs情况,探讨EDs与睡眠周期的关系.方法 240例癫痫患者与213名健康志愿者参与此项研究,所有参与者均行24 h视频脑电监测及多导睡眠图检查,检测EDs及分析睡眠结构.结果 在88.7% (213/240)的癫痫患者中检测出EDs,但最常见于颞叶癫痫.不同睡眠分期中EDs的构成比不同,如:清醒期EDs的构成比为20.6% (44/213),睡眠期EDs的构成比为40.4%(86/213),清醒及睡眠期EDs构成比为38.9%(83/213).总睡眠时间及快速眼动期睡眠时间在癫痫患者及健康志愿者中无差异,但癫痫患者非快速眼动睡眠Ⅰ~Ⅱ期睡眠时间明显延长于健康人群[(304±39) min与(225±29) min,t=3.51,P=0.000],非快速眼动睡眠Ⅲ~Ⅳ期睡眠时间明显缩短[(49±7) min与(133±17) min,t=2.30,P=0.000],两组总睡眠时间及快速眼动睡眠时间差异无统计学意义.此外,睡眠纺锤波不对称性、高觉醒指数出现于癫痫组睡眠结构中.结论 长程视频脑电图及多导睡眠图联合应用,有助于分析EDs与睡眠周期之间的关系,有助于识别癫痫患者的睡眠障碍,进行早期的干预及治疗.%Objective The poor sleep quality of epileptic patients may be partly due to the occurrence epileptiform discharges (EDs).We observed the number of interictal discharges in each sleep stage and explored the associations between EDs and sleep phases in epilepsy patients.Methods Two hundred and forty epileptic patients and 213 healthy volunteers were enrolled in the current study.For all subjects,video-electroencephalogram monitoring and 24 h-night polysomnography were conducted to detect EDs and analyze the sleep structures.Results EDs were detected in 88.7% (213/240) of epilepsy patients with the most frequent cases from the temporal lobe.The EDs detected during waking,sleeping,or both waking and non-rapid eye

  19. Assinatura da deposição atmosférica de testes nucleares em sedimentos da costa brasileira (240+239Pu e 137Cs

    Directory of Open Access Journals (Sweden)

    Christian J. Sanders

    2012-01-01

    Full Text Available The aim of this review is to take a look at Cold War era nuclear tests signatures found in Brazilian coastal sediments. Both137Cs and 240+239Pu signatures have been documented in mangrove, coastal mudflats and continental shelf sediments, associated with above ground nuclear tests beginning in the 1950's. The dates associated to the anthropogenic radionuclide signatures 137Cs and 240+239Pu along sediment columns are confirmed by 210Pb geochronology in many of the studies highlighted in this review. The results outlined in this review characterize the extent to which nuclear fallout products reach the Brazilian coast in quantities sufficient for detection, allowing the use of these radioisotopes as geochronometers.

  20. Analytical Method for Pu-239, Pu-240, Np-237 and Tc-99 using Inductively Coupled Plasma Mass Spectrometry

    International Nuclear Information System (INIS)

    An efficient analytical method for Pu isotopes (Pu-239 and Pu-240), Np-237 and Tc-99 in environmental samples has been developed using sector field inductively coupled plasma mass spectrometry (SF-ICPMS) detection. The chemical separation of Pu in terrestrial samples, soil, and sediment was carried out on two extraction resins, Sr-Spec and TEVA, which were sequentially combined in PrepLab, an integrated liquid handing device. By reducing the final eluent volume to 2.4 mL, directly injecting it to SF-ICPMS, and employing MCN-6000, a membrane desolvating sample introduction system, the analysis of Pu isotopes was found to be feasible in 1 g of soil. The detection limits of Pu-239, Pu-240, and Pu-242 were approximately 4 fg mL-1 (9.2 Bq mL-1), 3 fg mL-1 (25 Bq mL-1), and 6 fg mL-1 (0.87 Bq mL-1), which represent total amounts of 9.6, 7.2, and 14 fg, respectively, in the final eluent. Chemical separation and measurement were fully automated by a sequential injection (SI) program in an on-line system, and the analysis could thereby be completed within roughly 5 hours. The reliability of this method was confirmed by a validity test with several certified standard reference materials (NIST-4350b, IAEA-6, IAEA-300, IAEA-367, IAEA-368, IAEA-375). The analytical method for Pu in environmental seawater is different from that of terrestrial samples owing to the strong interference effect of U as well as ultra-low level Pu. Although the principle of chemical separation is nearly the same as in soil, seawater was co-precipitated with Fe(OH)2 in the pre-treatment step and a micro TEVA column (50 L) was used in the on-line system to improve precision and the lower detection limit. With this method, it was possible to analyze ultra-trace level Pu isotopes in only 5 L of surface seawater within 1 day, and the precision for Pu-239 and Pu-240 was less than 3.4% (n=7) and 5% (n=7), respectively. The accuracy of this method was verified by analysis of reference seawater (IAEA-381) as

  1. Analytical Method for Pu-239, Pu-240, Np-237 and Tc-99 using Inductively Coupled Plasma Mass Spectrometry

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Cheol Su

    2007-02-15

    An efficient analytical method for Pu isotopes (Pu-239 and Pu-240), Np-237 and Tc-99 in environmental samples has been developed using sector field inductively coupled plasma mass spectrometry (SF-ICPMS) detection. The chemical separation of Pu in terrestrial samples, soil, and sediment was carried out on two extraction resins, Sr-Spec and TEVA, which were sequentially combined in PrepLab, an integrated liquid handing device. By reducing the final eluent volume to 2.4 mL, directly injecting it to SF-ICPMS, and employing MCN-6000, a membrane desolvating sample introduction system, the analysis of Pu isotopes was found to be feasible in 1 g of soil. The detection limits of Pu-239, Pu-240, and Pu-242 were approximately 4 fg mL-1 (9.2 Bq mL-1), 3 fg mL-1 (25 Bq mL-1), and 6 fg mL-1 (0.87 Bq mL-1), which represent total amounts of 9.6, 7.2, and 14 fg, respectively, in the final eluent. Chemical separation and measurement were fully automated by a sequential injection (SI) program in an on-line system, and the analysis could thereby be completed within roughly 5 hours. The reliability of this method was confirmed by a validity test with several certified standard reference materials (NIST-4350b, IAEA-6, IAEA-300, IAEA-367, IAEA-368, IAEA-375). The analytical method for Pu in environmental seawater is different from that of terrestrial samples owing to the strong interference effect of U as well as ultra-low level Pu. Although the principle of chemical separation is nearly the same as in soil, seawater was co-precipitated with Fe(OH)2 in the pre-treatment step and a micro TEVA column (50 L) was used in the on-line system to improve precision and the lower detection limit. With this method, it was possible to analyze ultra-trace level Pu isotopes in only 5 L of surface seawater within 1 day, and the precision for Pu-239 and Pu-240 was less than 3.4% (n=7) and 5% (n=7), respectively. The accuracy of this method was verified by analysis of reference seawater (IAEA-381) as

  2. Discovery of a 240 million year old nematode parasite egg in a cynodont coprolite sheds light on the early origin of pinworms in vertebrates

    OpenAIRE

    Hugot, Jean-Pierre; Scott L. Gardner; Borba, Victor; Araujo, Priscilla; Leles, Daniela; Stock Da-Rosa, Átila Augusto; Dutra, Juliana; Ferreira, Luiz Fernando; Araújo, Adauto

    2014-01-01

    Background We report the discovery of a nematode parasite egg (Nemata: Oxyurida) from a coprolite closely associated with the remains of several species of Cynodontia, dated to 240 million years old. This finding is particularly significant because this is the oldest record of an oxyurid nematode yet discovered, and because the cynodonts are considered a stem-group of the mammals. Methods We extracted material from a fully mineralized coprolite by both scraping the surface, and removing fragm...

  3. Report to Congress in response to Public Law 99-240: 1990 Annual report on low-level radioactive waste management progress

    International Nuclear Information System (INIS)

    This report summarizes the progress during 1990 of states and compact regions in establishing new low-level radioactive waste disposal facilities. It also provides summary information on the volume of low-level radioactive waste received for disposal in 1990 by commercially operated low-level radioactive waste disposal facilities. This report is in response to section 7 (b) of the Low-Level Radioactive Waste Policy Act, as amended by Public Law 99-240

  4. Estimates of /sup 239-240/Pu + 241Am inventory, spatial pattern, and soil tonnage for removal at nuclear site-201, NTS

    International Nuclear Information System (INIS)

    Estimates of /sup 239-240/Pu + 241Am inventory and spatial pattern in surface soil are given for Nuclear Site (NS)-201 in Area 18 on the Nevada Test Site (NTS). These estimates were obtained using Kriging techniques and the estimated average /sup 239-240/Pu to 241Am ratio of 7.5. (Henceforth, Pu and Am refer to /sup 239-240/Pu and 241Am.) Estimated concentration contours, 68% confidence bands on contours, and estimated average concentrations in 100- x 100-foot blocks are given. The total Pu + Am inventory estimated to be in the top 5 cm of soil over the defined area is approximately 9.4 curies. Lower and upper limits on this inventory estimate are 4 and 30 curies. It is estimated that about 33 acres (approx. = 13 hectares) of land are contaminated at levels greater than 160 pCi/g and about 51 acres (approx. = 21 hectares) to levels greater than 40 pCi/g. Approximately 23,000 tons of soil would need to be removed (to 15-cm depth) to clean up all areas with estimated concentrations greater than or equal to 160 pCi/g. About 36,000 tons would require removal at the 40- pCi/g level. The above estimates will be updated when additional data become available early in Calender Year 1980. 10 references, 7 figures, 1 table

  5. The serendipitous discovery of a group or cluster of young galaxies at z = 2.40 in deep Hubble space telescope WFPC2 images

    CERN Document Server

    Pascarelle, S M; Driver, S P; Ostrander, E J; Keel, W C; Pascarelle, Sebastian M; Windhorst, Rogier A; Driver, Simon P; Ostrander, Eric J; Keel, William C

    1995-01-01

    We report the serendipitous discovery of a group or cluster of young galaxies at z\\simeq2.40 in a 24-orbit HST/WFPC2 exposure of the field around the weak radio galaxy 53W002. Potential cluster members were identified on ground-based narrow-band redshifted Ly\\alpha images and confirmed via spectroscopy. In addition to the known weak radio galaxy 53W002 at z=2.390, two other objects were found to have excess narrow-band Ly\\alpha emission at z\\simeq2.40. Both have been spectroscopically confirmed, and one clearly contains a weak AGN. They are located within one arcminute of 53W002, or \\sim0.23h_{100}^{-1}Mpc (q_o=0.5) at z\\simeq2.40, which is the physical scale of a group or small cluster of galaxies. Profile fitting of the WFPC2 images shows that the objects are very compact, with scale lengths \\simeq0\\farcs 1 (\\simeq0.39h_{100}^{-1}kpc), and are rather faint (luminosities < L*), implying that they may be sub-galactic sized objects. We discuss these results in the context of galaxy and cluster evolution and...

  6. Spatial distributions of {sup 137}Cs and {sup 239+240}Pu in surface seawater within the Exclusive Economic Zone of East Coast Peninsular Malaysia

    Energy Technology Data Exchange (ETDEWEB)

    Ahmad, Zaharudin, E-mail: zahar@nuclearmalaysia.gov.m [Radiochemistry and Environmental Group, Malaysian Nuclear Agency (Nuclear Malaysia), Bangi, 43000 Kajang (Malaysia); Mei-Wo, Yii; Abu Bakar, Ahmad Sanadi; Shahar, Hidayah [Radiochemistry and Environmental Group, Malaysian Nuclear Agency (Nuclear Malaysia), Bangi, 43000 Kajang (Malaysia)

    2010-09-15

    The studies of {sup 137}Cs and {sup 239+240}Pu distributions in surface seawater at South China Sea within the Exclusive Economic Zone (EEZ) of Peninsular Malaysia were carried out in June 2008. The analysis results will serve as additional information to the expanded baseline data for Malaysia's marine environment. Thirty locations from extended study area were identified in the EEZ from which large volumes of surface seawater samples were collected. Different co-precipitation techniques were employed to concentrate cesium and plutonium separately. A known amount of {sup 134}Cs and {sup 242}Pu tracers were used as yield determinant. The precipitate slurry was collected and oven dried at 60 {sup o}C for 1-2 days. Cesium precipitate was fine-ground and counted using gamma-ray spectrometry system at 661.62 keV, while plutonium was separated from other radionuclides using anion exchange, electrodeposited and counted using alpha spectrometry. The activity concentrations of {sup 137}Cs and {sup 239+240}Pu were in the range of 3.40-5.89 Bq/m{sup 3} and 2.3-7.9 mBq/m{sup 3}, respectively. The {sup 239+240}Pu/{sup 137}Cs ratios indicate that there are no new inputs of these radionuclides into the area.

  7. Spatial distributions of (137)Cs and (239+240)Pu in surface seawater within the Exclusive Economic Zone of East Coast Peninsular Malaysia.

    Science.gov (United States)

    Ahmad, Zaharudin; Mei-Wo, Yii; Abu Bakar, Ahmad Sanadi; Shahar, Hidayah

    2010-09-01

    The studies of (137)Cs and (239+240)Pu distributions in surface seawater at South China Sea within the Exclusive Economic Zone (EEZ) of Peninsular Malaysia were carried out in June 2008. The analysis results will serve as additional information to the expanded baseline data for Malaysia's marine environment. Thirty locations from extended study area were identified in the EEZ from which large volumes of surface seawater samples were collected. Different co-precipitation techniques were employed to concentrate cesium and plutonium separately. A known amount of (134)Cs and (242)Pu tracers were used as yield determinant. The precipitate slurry was collected and oven dried at 60(o)C for 1-2 days. Cesium precipitate was fine-ground and counted using gamma-ray spectrometry system at 661.62keV, while plutonium was separated from other radionuclides using anion exchange, electrodeposited and counted using alpha spectrometry. The activity concentrations of (137)Cs and (239+240)Pu were in the range of 3.40-5.89Bq/m(3) and 2.3-7.9mBq/m(3), respectively. The (239+240)Pu/(137)Cs ratios indicate that there are no new inputs of these radionuclides into the area. PMID:20430636

  8. Examining (239+240)Pu, (210)Pb and historical events to determine carbon, nitrogen and phosphorus burial in mangrove sediments of Moreton Bay, Australia.

    Science.gov (United States)

    Sanders, Christian J; Santos, Isaac R; Maher, Damien T; Breithaupt, Joshua L; Smoak, Joseph M; Ketterer, Michael; Call, Mitchell; Sanders, Luciana; Eyre, Bradley D

    2016-01-01

    Two sediment cores were collected in a mangrove forest to construct geochronologies for the previous century using natural and anthropogenic radionuclide tracers. Both sediment cores were dated using (239+240)Pu global fallout signatures as well as (210)Pb, applying both the Constant Initial Concentration (CIC) and the Constant Rate of Supply (CRS) models. The (239+240)Pu and CIC model are interpreted as having comparable sediment accretion rates (SAR) below an apparent mixed region in the upper ∼5 to 10 cm. In contrast, the CRS dating method shows high sediment accretion rates in the uppermost intervals, which is substantially reduced over the lower intervals of the 100-year record. A local anthropogenic nutrient signal is reflected in the high total phosphorus (TP) concentration in younger sediments. The carbon/nitrogen molar ratios and δ(15)N values further support a local anthropogenic nutrient enrichment signal. The origin of these signals is likely the treated sewage discharge to Moreton Bay which began in the early 1970s. While the (239+240)Pu and CIC models can only produce rates averaged over the intervals of interest within the profile, the (210)Pb CRS model identifies elevated rates of sediment accretion, organic carbon (OC), nitrogen (N), and TP burial from 2000 to 2013. From 1920 to 2000, the three dating methods provide similar OC, N and TP burial rates, ∼150, 10 and 2 g m(-2) year(-1), respectively, which are comparable to global averages. PMID:26004816

  9. A study on artificial radionuclides ({sup 134}Cs, {sup 137}Cs and {sup 239+240}Pu) distribution in the sediment form lake euiam

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Seung Hwan; Lee, Sang Han; Oh, Jung Suk; Choi, Jong Ki [Korea Research Institute of Standards and Science, Daejeon (Korea, Republic of); Kang, Tae Gu [National Institute of Environmental Research, Sejong (Korea, Republic of)

    2015-12-15

    The objective of this study is to identify the radionuclide distribution in public water by carrying out the analysis of artificial radionuclides(({sup 134}Cs, {sup 137}Cs, {sup 239+240}Pu), natural radionuclide({sup 210}Pb) and TOC in the lake Euiam sediment in Chuncheon, South Korea. The {sup 134}Cs concentration in all lake sediments showed below MDA values, and the {sup 137}Cs concentration in lake sediment were ranged from MDA to 8.79 Bq · kg{sup -1}-dry. The {sup 137}Cs concentrations in surface sediment were reported to be 2.4 to 4.2 Bq · kg{sup -1}-dry. The lowest concentration of {sup 137}Cs was reported at St. 4 and the highest concentration was reported at St. 3, respectively. The {sup 239+240}Pu concentration in lake sediment were ranged from 0.049 to 0.47 Bq · kg{sup -1}-dry. The lowest concentration of was reported at St. 2 and the highest concentration was reported at St. 3. The correlation(r) between the {sup 239+240}Pu concentration and {sup 137}Cs concentration in lake sediment presented higher values (0.54 to 0.97) and this suggests the behavior and origin of {sup 137}Cs is identical to the {sup 239+240}Pu in the sediment. The {sup 134}Cs concentration below MDA value and the {sup 239+240}Pu/{sup 134}Cs ratio(mean value of 0.041) indicated that the artificial radionuclides in the sediment were originated from global fallout by the atmospheric testing of nuclear weapons conducted by former USSR and U.S.A, but not from the Fukushima Daiichi NPP accident. The sedimentation rate derived from {sup 2}'1{sup 0}Pb age-dating method at St. 2 is calculated to be 0.31±0.06 cm · y{sup -1}. This value is similar to the value (0.41±0.05 cm · y{sup -1}) estimated from the {sup 137}Cs maximum peak produced from early 1960's. The content of TOC in lake Euiam sediments varied from 0.20 to 13.01%. While the highest correlation between TOC and {sup 137}Cs concentration in the sediment were found at St. 1, the others presented the low correlation.

  10. {sup 238}Pu, {sup 239+240}Pu and {sup 241}Am levels in the terrestrial and aquatic environment of the Loire and Garonne rivers basins (France)

    Energy Technology Data Exchange (ETDEWEB)

    Rousseau, G.; Mokili, M.B.; Le Roy, C.; Pagano, V. [SUBATECH/IN2P3 (France); Gontier, G.; Boyer, C. [EDF-DPI-DIN-CIDEN (France); Chardon, P. [CNRS/IN2P3 (France); Hemidy, P.Y. [EDF-DPN-UNIE-GPRE-IEV (France)

    2014-07-01

    Plutonium and americium long-lived alpha emitter isotopes can be found in the environment because of atmospheric global fallout due to thermonuclear tests performed between 1945 and 1980, to the American SNAP 9A satellite explosion in 1964, to the Chernobyl nuclear power plant accident,... In France, the nuclear safety authority does not allow the release of artificial alpha emitters from nuclear power plants. Thus, monitoring is performed to verify the absence of these alpha emitters in liquid discharges to respect the limits set by the regulations. These thresholds ensure a very low dosimetric impact to the population compared to other radionuclides. With the objective of environmental monitoring around nuclear facilities, activity measurements of long-lived alpha emitters are carried out to detect the traces of these radionuclides. Analysis of low activity by alpha spectrometry after chemical steps were performed and used to determine the {sup 238}Pu, {sup 239+240}Pu and {sup 241}Am activities on a large set of environmental solid samples likely to be encountered in environmental monitoring as soils, sediments, terrestrial and aquatic bio-indicators. The samples collected in the terrestrial and aquatic environment of the Loire and Garonne rivers basins (France) was investigated for the 2009-2014 period. It was found that the mean activity concentration of the most frequently detected was for the radionuclide {sup 238}Pu: from <0.00031 to 0.0061 Bq/kg dry in terrestrial samples and from <0.00086 to 0.011 Bq/kg dry in aquatic samples; for the radionuclide {sup 239+240}Pu: from 0.00041 to 0.150 Bq/kg dry in terrestrial samples and from 0.0023 to 0.240 Bq/kg dry in aquatic samples and for the radionuclide {sup 241}Am: from <0.00086 to 0.087 Bq/kg dry in terrestrial samples and from 0.0022 to 0.120 Bq/kg dry in aquatic samples. {sup 238}Pu/{sup 239+240}Pu and {sup 241}Am/{sup 239+240}Pu ratios determined are in accordance with an environmental contamination due to

  11. 社区住院2型糖尿病患者240例综合状况评估%The evaluation of integrated status of 240 inpatients with type 2 diabetes in community

    Institute of Scientific and Technical Information of China (English)

    付丽媛; 郭琳; 马建华; 曹峰; 徐荣辉; 何正文

    2013-01-01

    Objective To investigate integrated status of community inpatients with type 2 diabetes mellitus.Methods 240 cases of type 2 diabetic patients in the Zhangjiagang Aoyang Hospital were included in the study from May 1,2007 to Dec 31,2008.A uniform questionnaire was applicated.Gender,disease duration,age,academic qualifications,occupation,education,height,weight,waist circumference,hip,relevant medical history and so on were collected.Results The onset age of inpatients with type 2 diabetes was (48.91 ± 12.38),onset age of male was(46.32 ±12.08),which was significantly lower than female (52.42 ± 11.97) (P<0.01).The onset age female and male proportion also had significant differences,age onset of male was in advance.The average body mass index was (24 ±3.47)kg/m2,most of the inpatients were workers and farmers,the level of education was primary and secondary.Multiple regression analysis hints,risk factor of onset age is the family history of diabetes,the history of hypertension,male,low academic qualifications.Percentage of newly diagnosed patients was 28.3%,about one-third in patients were with the metabolic syndrome,hyperlipidemia,high blood pressure,fatty liver.Conclusions Education level of the inpatients was lowe in the community,so strengthening diabetes education was required.The persons in the commuities who were male,or with the family history of diabetes,with high blood pressure history were of the communities require for early screening of diabetes mellitus,so the occurrence and development of diabetes woule be controlled.%目的 探讨社区住院2型糖尿病患者综合状况.方法 以2007年5月1日至2008年12月31日在张家港澳洋医院住院的240例2型糖尿病患者为研究对象,应用统一的调查表,分别收集住院患者性别、病程、年龄、学历、职业、教育、身高、体质量、腰围、臀围、相关病史等.结果 社区住院的2型糖尿病患者发病年龄(48.91±12.38)岁,男性发病年龄(46.32±12

  12. 当武器“邂逅”艺术——大比例M240B机枪雕塑制作记

    Institute of Scientific and Technical Information of China (English)

    李旭东

    2010-01-01

    2010年4月24日~5月6日,《再关系——李晓伟2010》艺术作品展在上海多伦现代美术馆举办。其中展出了一个富有特色的玻璃钢浇铸实体模型——4米多长的M240B机枪和15米长的M13可散式弹链,还有2米多高的AK47弹夹等。

  13. Role of natural organic matter on iodine and (239)(,240)Pu distribution and mobility in environmental samples from the northwestern Fukushima Prefecture, Japan.

    Science.gov (United States)

    Xu, Chen; Zhang, Saijin; Sugiyama, Yuko; Ohte, Nobuhito; Ho, Yi-Fang; Fujitake, Nobuhide; Kaplan, Daniel I; Yeager, Chris M; Schwehr, Kathleen; Santschi, Peter H

    2016-03-01

    In order to assess how environmental factors are affecting the distribution and migration of radioiodine and plutonium that were emitted from the Fukushima Dai-ichi Nuclear Power Plant (FDNPP) accident, we quantified iodine and (239,240)Pu concentration changes in soil samples with different land uses (urban, paddy, deciduous forest and coniferous forest), as well as iodine speciation in surface water and rainwater. Sampling locations were 53-63 km northwest of the FDNPP within a 75-km radius, in close proximity of each other. A ranking of the land uses by their surface soil (forest > deciduous forest > urban > paddy, and (239,240)Pu concentrations ranked as deciduous forest > coniferous forest > paddy ≥ urban. Both were quite distinct from that of (134)Cs and (137)Cs: urban > coniferous forest > deciduous forest > paddy, indicating differences in their sources, deposition phases, and biogeochemical behavior in these soil systems. Although stable (127)I might not have fully equilibrated with Fukushima-derived (129)I, it likely still works as a proxy for the long-term fate of (129)I. Surficial soil (127)I content was well correlated to soil organic matter (SOM) content, regardless of land use type, suggesting that SOM might be an important factor affecting iodine biogeochemistry. Other soil chemical properties, such as Eh and pH, had strong correlations to soil (127)I content, but only within a given land use (e.g., within urban soils). Organic carbon (OC) concentrations and Eh were positively, and pH was negatively correlated to (127)I concentrations in surface water and rain samples. It is also noticeable that (127)I in the wet deposition was concentrated in both the deciduous and coniferous forest throughfall and stemfall water, respectively, comparing to the bulk rainwater. Further, both forest throughfall and stemflow water consisted exclusively of organo-iodine, suggesting all inorganic iodine in the original bulk deposition (∼ 28.6% of total iodine) have

  14. Plants as bio-monitors for Cs-137, Pu-238, Pu-239,240 and K-40 at the Savannah River Site.

    Science.gov (United States)

    Caldwell, Eric Frank; Duff, Martine C; Ferguson, Caitlin E; Coughlin, Daniel P

    2011-05-01

    The Savannah River Site was constructed in South Carolina to produce plutonium (Pu) in the 1950s. Discharges associated with these now-ceased operations have contaminated large areas within the site, particularly streams associated with reactor cooling basins. Evaluating the exposure risk of contamination to an ecosystem requires methodologies that can assess the bioavailability of contaminants. Plants, as primary producers, represent an important mode of transfer of contaminants from soils and sediments into the food chain. The objective of this study was to identify local area plants for their ability to act as bio-monitors of radionuclides. The concentrations of cesium-137 ((137)Cs), potassium-40 ((40)K), (238)Pu and (239,240)Pu in plants and their associated soils were determined using γ and α spectrometry. The ratio of contamination concentration found in the plant relative to the soil was calculated to assess a concentration ratio (CR). The highest CR for (137)Cs was found in Pinus palustris needles (CR of 2.18). The correlation of soil and plant (137)Cs concentration was strong (0.76) and the R(2) (0.58) from the regression was significant (p = 0.006). This suggests the ability to predict the degree of (137)Cs contamination of a soil through analysis of the pine needles. The (238)Pu and (239,240)Pu concentrations were most elevated within the plant roots. Extremely high CR values were found in Sparganium americanum (bur-reed) roots with a value of 5.86 for (238)Pu and 5.66 for (239,240)Pu. The concentration of (40)K was measured as a known congener of (137)C. Comparing (40)K and (137)C concentrations in each plant revealed an inverse relationship for these radioisotopes. Correlating (40)K and (137)Cs was most effective in identifying plants that have a high affinity for (137)Cs uptake. The P. palustris and S. americanum proved to be particularly strong accumulators of all K congeners from the soil. Some species that were measured, warrant further

  15. 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)

  16. The implementation of the Chongqing municipal government Decree 240 to strengthen operations and guidance of urban construction archives%落实重庆市政府240号令加强城建档案的业务指导工作

    Institute of Scientific and Technical Information of China (English)

    彭利

    2011-01-01

    重庆市人民政府令第240号从2010年11月1日起施行.如何从城建档案业务指导角度进行落实宣传,本文根据和工作实际就城建档案的重要性、业务指导的性质和具体内容进行了论述.

  17. Model testing of radioactive contamination by {sup 90}Sr, {sup 137}Cs and {sup 239,240}Pu of water and bottom sediments in the Techa River (Southern Urals, Russia)

    Energy Technology Data Exchange (ETDEWEB)

    Kryshev, I.I. [Scientific and Production Association ' Typhoon' , 82 Lenin Ave., Obninsk, Kaluga Region, 249038 (Russian Federation)], E-mail: ecomod@obninsk.com; Boyer, P.; Monte, L.; Brittain, J.E.; Dzyuba, N.N.; Krylov, A.L.; Kryshev, A.I.; Nosov, A.V.; Sanina, K.D.; Zheleznyak, M.I. [Scientific and Production Association ' Typhoon' , 82 Lenin Ave., Obninsk, Kaluga Region, 249038 (Russian Federation)

    2009-03-15

    This paper presents results of testing models for the radioactive contamination of river water and bottom sediments by {sup 90}Sr, {sup 137}Cs and {sup 239,240}Pu. The scenario for the model testing was based on data from the Techa River (Southern Urals, Russia), which was contaminated as a result of discharges of liquid radioactive waste into the river. The endpoints of the scenario were model predictions of the activity concentrations of {sup 90}Sr, {sup 137}Cs and {sup 239,240}Pu in water and bottom sediments along the Techa River in 1996. Calculations for the Techa scenario were performed by six participant teams from France (model CASTEAUR), Italy (model MARTE), Russia (models TRANSFER-2, CASSANDRA, GIDRO-W) and Ukraine (model RIVTOX), all using different models. As a whole, the radionuclide predictions for {sup 90}Sr in water for all considered models, {sup 137}Cs for MARTE and TRANSFER-2, and {sup 239,240}Pu for TRANSFER-2 and CASSANDRA can be considered sufficiently reliable, whereas the prediction for sediments should be considered cautiously. At the same time the CASTEAUR and RIVTOX models estimate the activity concentrations of {sup 137}Cs and {sup 239,240}Pu in water more reliably than in bottom sediments. The models MARTE ({sup 239,240}Pu) and CASSANDRA ({sup 137}Cs) evaluated the activity concentrations of radionuclides in sediments with about the same agreement with observations as for water. For {sup 90}Sr and {sup 137}Cs the agreement between empirical data and model predictions was good, but not for all the observations of {sup 239,240}Pu in the river water-bottom sediment system. The modelling of {sup 239,240}Pu distribution proved difficult because, in contrast to {sup 137}Cs and {sup 90}Sr, most of models have not been previously tested or validated for plutonium.

  18. Lymphangiosis carcinomatosa in squamous cell carcinomas of larynx and hypopharynx – value of conventional evaluation and additional immunohistochemical staining of D2-40

    Directory of Open Access Journals (Sweden)

    Puppe Bernhard

    2009-03-01

    Full Text Available Abstract Background Recent studies revealed a predictive value of lymphatic vessel invasion (L1 for the nodal metastasizing and poor prognosis in malignant tumors at different sites. The monoclonal antibody D2-40 (podoplanin stains specifically endothelial cells of lymphatic vessels and improves the search for L1. However, the importance of this immunohistochemical staining was not investigated in squamous cell carcinomas (SCC of larynx and hypopharynx. Aim This study was performed to compare the diagnostic potential of convential and immunohistochemical determination of L1 in SCC of larynx and hypopharynx with special respect to the predictive value for nodal metastasizing and prognosis. Methods 119 SCCs of the larynx (n = 70 respectively hypopharynx (n = 49 were investigated. The lymphatic vessel invasion was assessed by conventional method (HE stain and immunohistochemical staining with an antibody against D2-40 (DAKO, Germany. Immunohistochemistry was performed in accordance with manufacturer's protocol. L1 was searched microscopically in a standardized magnification (×200 in serial sections of tumor samples (1 section per cm tumor diameter. Results The immunohistochemical investigation did not show significant advantages for the prediction of regional nodal metastases. Despite a low sensitivity ( Conclusion The status of lymphatic vessel invasion should be documented in standardized tumor reports. A benefit of an additional immunohistochemical investigation was not found, for the daily routine HE-stain seems sufficient.

  19. The neutron capture cross sections of {sup 237}Np(n,{gamma}) and {sup 240}Pu(n,{gamma}) and its relevance in the transmutation of nuclear waste

    Energy Technology Data Exchange (ETDEWEB)

    Guerrero, C.; Abbondanno, U.; Aerts, G.; Alvarez, H.; Alvarez-Velarde, F.; Andriamonje, S.; Andrzejewski, J.; Assimakopoulos, P.; Audouin, L.; Badurek, G.; Baumann, P.; Becvar, F.; Berthoumieux, E.; Calvino, F.; Calviani, M.; Cano-Ott, D.; Capote, R.; Carrapico, C.; Cennini, P.; Chepel, V.; Chiaveri, E.; Colonna, N.; 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.; Gonzalez-Romero, E.; Gramegna, F.; Gunsing, F.; Haas, B.; Haight, R.; Heil, M.; Herrera-Martinez, A.; Igashira, M.; Jericha, E.; Kappeler, 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.; Martinez, T.; Massimi, C.; Mastinu, P.; Mengoni, A.; Milazzo, P.M.; 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.; Vaz, P.; Ventura, A.; Villamarin, D.; Vincente, M.C.; Vlachoudis, V.; Vlastou, R.; Voss, F.; Walter, S.; Wiescher, M.; Wisshak, K

    2008-07-01

    Neutron capture cross sections of actinides are of great relevance for the Transmutation of Nuclear Waste in Accelerator Driven Systems (ADS) and Generation-IV reactors. The neutron capture cross sections of {sup 237}Np and {sup 240}Pu in the range of 1 eV to 2 keV were measured at the n-TOF facility with a Total Absorption Calorimeter. The data have been analyzed with the SAMMY code. The corresponding covariance matrices have been generated. The final cross sections are presented and compared to the previously existing ones.The n-TOF {sup 237}Np {sigma}(n,{gamma}) is in agreement with the evaluated data files below 300 eV and its is lower by 10 to 15% up to 2 keV. This discrepancy with the evaluated data files is also observed in the capture cross section derived from the transmission measurements of Gressier et al. In the case of the {sup 240}Pu {sigma}(n,{gamma}), the n-TOF {sigma}(n,{gamma}) agrees within uncertainties with JENDL-3.3 and JEFF-3.1, except for a group of resonances around 800 eV. Endf/B-VII data are lower than n-TOF and the mentioned evaluations, with differences that increase with neutron energy up to 15-20 per cent.

  20. XMM-Newton Observations of the Nuclei of the Radio Galaxies 3C 305, DA 240, and 4C 73.08

    CERN Document Server

    Evans, Daniel A; Lee, Julia C; Kraft, Ralph P; Worrall, Diana M; Birkinshaw, Mark; Croston, Judith H

    2008-01-01

    We present new XMM-Newton EPIC observations of the nuclei of the nearby radio galaxies 3C 305, DA 240, and 4C 73.08, and investigate the origin of their nuclear X-ray emission. The nuclei of the three sources appear to have different relative contributions of accretion- and jet-related X-ray emission, as expected based on earlier work. The X-ray spectrum of the FRII narrow-line radio galaxy (NLRG) 4C 73.08 is modeled with the sum of a heavily absorbed power law that we interpret to be associated with a luminous accretion disk and circumnuclear obscuring structure, and an unabsorbed power law that originates in an unresolved jet. This behavior is consistent with other narrow-line radio galaxies. The X-ray emission of the low-excitation FRII radio galaxy DA 240 is best modeled as an unabsorbed power law that we associate with a parsec-scale jet, similar to other low-excitation sources that we have studied previously. However, the X-ray nucleus of the narrow-line radio galaxy 3C 305 shows no evidence for the hea...

  1. The BL-Lac gamma-ray blazar PKS 1424+240 associated with a group of galaxies at z=0.6010

    CERN Document Server

    Rovero, A C; Donzelli, C; Pichel, A

    2016-01-01

    PKS 1424+240 is a BL-Lac blazar with unknown redshift that was detected at high-energy gamma rays by Fermi-LAT with a hard spectrum. At VHE, it was first detected by VERITAS and later confirmed by MAGIC. Its spectral energy distribution is highly attenuated at VHE gamma rays, which is coherent with distant sources. Several estimations enabled the redshift to be constrained to the range 0.6 < z < 1.3. These results place PKS 1424+240 in the very interesting condition of being probably the most distant blazar that has been detected at VHE. The ambiguity in the redshift is still large enough to prevent precise studies of the EBL and the intrinsic blazar spectrum. Given the difficulty of measuring spectroscopic redshifts for BL-Lac objects directly, we aim to establish a reliable redshift value for this blazar by finding its host group of galaxies. Elliptical galaxies are associated with groups, and BL-Lac objects are typically hosted by them, so we decided to search for the host group of the blazar. For th...

  2. Measurement of the 240Pu/239Pu mass ratio using a transition-edge-sensor microcalorimeter for total decay energy spectroscopy.

    Science.gov (United States)

    Hoover, Andrew S; Bond, Evelyn M; Croce, Mark P; Holesinger, Terry G; Kunde, Gerd J; Rabin, Michael W; Wolfsberg, Laura E; Bennett, Douglas A; Hays-Wehle, James P; Schmidt, Dan R; Swetz, Daniel; Ullom, Joel N

    2015-04-01

    We have developed a new category of sensor for measurement of the (240)Pu/(239)Pu mass ratio from aqueous solution samples with advantages over existing methods. Aqueous solution plutonium samples were evaporated and encapsulated inside of a gold foil absorber, and a superconducting transition-edge-sensor microcalorimeter detector was used to measure the total reaction energy (Q-value) of nuclear decays via heat generated when the energy is thermalized. Since all of the decay energy is contained in the absorber, we measure a single spectral peak for each isotope, resulting in a simple spectral analysis problem with minimal peak overlap. We found that mechanical kneading of the absorber dramatically improves spectral quality by reducing the size of radioactive inclusions within the absorber to scales below 50 nm such that decay products primarily interact with atoms of the host material. Due to the low noise performance of the microcalorimeter detector, energy resolution values of 1 keV fwhm (full width at half-maximum) at 5.5 MeV have been achieved, an order of magnitude improvement over α-spectroscopy with conventional silicon detectors. We measured the (240)Pu/(239)Pu mass ratio of two samples and confirmed the results by comparison to mass spectrometry values. These results have implications for future measurements of trace samples of nuclear material. PMID:25723106

  3. Relationship of lymphatic vessel invasion by D2-40 and metastasis of lymph nodes in the tissues of breast cancer%乳腺癌组织中D2-40标记的淋巴管浸润与淋巴结转移的关系

    Institute of Scientific and Technical Information of China (English)

    高强; 丁贵坡; 张旋

    2014-01-01

    Objective To investigate the feasibility of D2-40 for the detection of lymphatic and clinicopathological of lymphatic vessel invasion in breast cancer.Methods Immunohistochemistry was used to detect the expression of D2-40 in 72 cases of breast cancer and 15 cases of benigh breast tumor and lymphatic invasion,and the correlation of D2-40 expression with axillary lymph node metastasis was analyzed.Results LVI positive rate in breast cancer was 69.4 %,it was 85.7 % in lymph nodepositive group,54.1% in lymph node-negative group,the former was significantly higher than the latter(P <0.01) ; LVI was positively correlated with axillary lymph node metastasis(r =0.382).Conclusions D2-40 can specially mark the lymphatic vessel in breast cancer,get a better staining result,which makes it a reliable marker of lymph vessel; LVI is positively correlated with axillary lymph node metastasis and earlier than axillary lymph node metastasis,so it should be the conventional clinical pathological testing item.%目的 探讨D2-40标记乳腺癌组织淋巴管的可行性(LVI)与淋巴结转移的关系.方法 采用二步法免疫组化染色检测72例乳腺癌和15例乳腺良性病变组织中D2-40的表达及淋巴管受癌细胞浸润情况,分析其与乳腺癌腋窝淋巴结转移的关系.结果 乳腺癌组织中的LVI阳性率为69.4%,腋淋巴结转移组为85.7%,未转移组为54.1%,转移组高于未转移组,差异有统计学意义(P<0.01);LVI与患者腋窝淋巴结转移呈正相关(r =0.382),淋巴结转移>10个患者中LVI阳性率最高(100%),淋巴结阴性组LVI阳性率最低(54.1%).结论 D2-40可作为可靠的淋巴管标记物;LVI与乳腺癌淋巴结转移呈正相关,早于淋巴结转移出现,可作为临床病理学的检测项目.

  4. Análise comparativa da imunoexpressão da proteína p53 (clones DO-7 e PAb-240 em carcinomas de células escamosas intrabucais e labiais Comparative analysis of p53 protein immunostaining (antibodies DO-7 and PAb-240 in oral cavity and lip squamous cell carcinomas

    Directory of Open Access Journals (Sweden)

    José de Assis Silva Júnior

    2009-08-01

    Full Text Available INTRODUÇÃO: A carcinogênese caracteriza-se como um processo multifatorial, e a inativação da proteína p53 é uma alteração genética comumente observada nos carcinomas de células escamosas de boca (CCEB. OBJETIVO: Analisar e comparar a imunoexpressão da proteína p53, por meio dos clones DO-7 e PAb-240, em CCEB com localização intrabucal e em lábio inferior. MATERIAL E MÉTODOS: Foram selecionados 40 casos de CCEB, sendo 20 de localização intrabucal e 20 em lábio inferior. Foi realizado um estudo imuno-histoquímico utilizando os anticorpos anti-p53 clone DO-7 e PAb-240. A imunoquantificação foi realizada por meio de análise digital de imagem, e os resultados, submetidos a tratamentos estatísticos. RESULTADOS: A imunoexpressão da proteína p53 foi verificada com o anticorpo DO-7 em 13 casos (65% de carcinoma intrabucal e em 19 (95% de carcinoma de lábio inferior. Imunorreatividade para o anticorpo PAb-240 foi observada em 9 casos (45% de lesões intrabucais e em 15 (75% localizados em lábio inferior. Não foram observadas, segundo o teste de Mann-Whitney, diferenças estatisticamente significativas (p > 0,05 na expressão da proteína p53 entre as duas localizações estudadas, independentemente do anticorpo avaliado. Foram identificadas, pelo teste de Wilcoxon, diferenças estatisticamente significativas entre a expressão dos clones DO-7 e PAb-240 em cada um dos grupos analisados (valor p = 0,013 - lábio inferior; valor p = 0,016 - intrabucal. CONCLUSÕES: A expressão da proteína p53 observada nos CCEB, com localizações intrabucais e labiais, sugere a ocorrência de mutações no gene TP53. As diferenças quantitativas obtidas entre os anticorpos estudados, independentemente da localização das lesões, refletem uma especificidade distinta entre os clones DO-7 e PAb-240. O desenvolvimento de mais estudos será fundamental para estabelecer o anticorpo mais adequado para proteína p53 em CCEB

  5. 人乳腺癌组织中D2-40标记的微淋巴管密度与血管内皮生长因子C表达的关系%Relation of lymphatic microvessel density detected by monoclonal antibody D2-40 with VEGF-C expression in breast cancer

    Institute of Scientific and Technical Information of China (English)

    谢晓冬; 屈淑贤; 郑振东; 宋福林; 刘大为

    2008-01-01

    Objective To investigate the relationship of lymphatic micovessel density (LMVD) detected by monoclonal antibody D2-40 with the VEGF-C expression in human breast cancer. Methods Tissue samples of 102 breast cancers,25 breast fibroadenomas and 10 normal breasts were collected. Immunohistochemical staining was used to detected the lymphatic micovessels with monoclonal antibody D2-40. The expression of VEGF-C was detect by SP immunohistochemistry, and VEGF-C mRNA by hybridization in situ. Results In 102 breast cancers, the positive rate of D2-40 was 76.5% (78/102), higher than that in the breast fibroadenomas. LMVD in the periphery of breast cancer was 30.1 lymphatic microvessels per×100 field of vision, which was significantly higher than that in the central area of the tumors (P=0.000). The LMVD in the periphery of the breast cancers was correlated with the number of metastatic lymph nodes (r=0.964,P<0.01). The positive rates of VEGF-C protein and mRNA were 55.9% (57/102) and 59.8% (61/102), respectively, significantly higher than that in the breast fiberoadenomas and normal breast tissues (χ2=11.653,P=0.003;χ2=10.345,P=0.006), and were significantly correlated with the status of lymph node metastasis,clinical stage and the expressions of c-erbB-2 and p53 protein (P<0.05). Both of VEGF-C protein and mRNA were significantly correlated with LMVD detected by D2-40 (P<0.05), especially with the LMVD in the periphery of breast cancers (P<0.05). Conclusion The monoclonal antibody D2-40 can be used to detect the lymphatic endothelium in human breast cancer. The lymphatic microvessel density in the periphery of breast cancer is correlated with the lymph node metastasis and expression of VEGF-C. Therefore, VEGF-C may play a significant role in the lymphangiogenesis leading to metastasis of breast cancer.%目的 探讨人乳腺癌组织中D2-40标记的微淋巴管密度(LMVD)与血管内皮生长因子C(VEGF-C)表达的关系.方法 收集102例乳腺癌、25

  6. Simultaneous measurement of 239Pu, 240Pu, 241Pu, and 242Pu by high resolution inductively coupled plasma mass spectrometer (HR ICP-MS) in marine sediments

    International Nuclear Information System (INIS)

    Transuranics elements are of particular interest in radioecological studies because of their radiotoxicity and their potential use to decipher source fingerprints and transport processes. The simultaneous measurement of 239Pu, 240Pu, 241Pu, and 242Pu in environmental samples requires a specific chemical procedure. This work deals with an analytical procedure which yields a very high grade of purification of Pu suitable for ultra low level detection by HR ICP-MS, from marine sediments. After the elimination of major elements (Fe, Al, Mg...) by a first chromatographic separation, a new device of purification by solvent extraction and concentration by a second chromatographic separation is used to obtain a concentrated and high purified solution of plutonium. The chemical procedure have been validated on IAEA certified sediment samples and on sediment samples collected in the roads of Cherbourg which had been previously analysed by other techniques (a spectrometry and thermo-ionisation mass spectrometer). (author)

  7. Spatial distribution of (241)Am, (137)Cs, (238)Pu, (239,240)Pu and (241)Pu over 17 year periods in the Ravenglass saltmarsh, Cumbria, UK.

    Science.gov (United States)

    Oh, J-S; Warwick, P E; Croudace, I W

    2009-01-01

    Ninety five surface scrape samples were collected at the Ravenglass saltmarsh and analysed for radionuclides by alpha spectrometry ((238)Pu and (239,240)Pu), gamma spectrometry ((241)Am and (137)Cs) and liquid scintillation counting ((241)Pu). Both (241)Am and (137)Cs activities are compared with those reported by Horrill [1983. Concentrations and spatial distribution of radioactivity in an ungrazed saltmarsh. In: Coughtrey, P.J. (Ed.), Ecological Aspects of Radionuclide Release. British Ecological Society Special Publication No. 3. Blackwell, Oxford, pp. 119-215.] Significant decreases in activities for both radionuclides were observed which is caused by the declining levels of discharges from the Sellafield nuclear reprocessing plant since the 1980s. It has been concluded that the spatial distribution of these radionuclides are controlled by the tidal currents and the clay contents in the sediments. There is evidence of surface erosion of the saltmarsh and redistribution of radionuclides in the saltmarsh using isotopic ratios of measured Pu.

  8. Hard photon yields from (70-240) GeV electrons incident near axial directions on Si, Ge and W single crystals with a large thickness variation

    Science.gov (United States)

    Medenwaldt, R.; Møller, S. P.; Tang-Petersen, S.; Uggerhøj, E.; Elsener, K.; Hage-Ali, M.; Siffert, P.; Stoquert, J.; Sona, P.; Maier, K.

    1990-06-01

    The dramatic peak found in photon spectra from 150 GeV channelled electrons has for the first time been investigated for 70, 150, and 240 GeV electrons incident on crystals with thickness from 100μ (Si). Very pronounced variations for the high energy part of the photon spectra are found. In Si the photon peak is not found for lower energies and thin crystals. For well-aligned electrons in Si the yield is more than 160 times the Bethe-Heitler one. In general the peak in the photon spectra disaapears for incident angles larger than half the critical angle for channeling. Dramatic radiative energy losses are found along axial directions - in 0.6 mm Ge a 150 GeV electron loses more than 60% of its total energy.

  9. Hard photon yields from (70-240) GeV electrons incident near axial directions on Si, Ge and W single crystals with a large thickness variation

    Energy Technology Data Exchange (ETDEWEB)

    Medenwaldt, R.; Moeller, S.P.; Tang-Petersen, S.; Uggerhoej, E. (Aarhus Univ. (Denmark). Inst. of Physics); Elsener, K. (European Organization for Nuclear Research, Geneva (Switzerland)); Hage-Ali, M.; Siffert, P.; Stoquert, J. (Strasbourg-1 Univ., 67 (France). Centre de Recherches Nucleaires); Sona, P. (Florence Univ. (Italy). Dipt. di Fisica Istituto Nazionale di Fisica Nucleare, Florence (Italy)); Maier, K. (Max-Planck-Institut fuer Metallforschung, Stuttgart (Germany, F.R.))

    1990-06-14

    The dramatic peak found in photon spectra from 150 GeV channelled electrons has for the first time been investigated for 70, 150, and 240 GeV electrons incident on crystals with thicknesses from 100 {mu}m to 1400 {mu}m (Si). Very pronounced variations for the high energy part of the photon spectra are found. In Si the photon peak is not found for lower energies and thin crystals. For well-aligned electrons in Si the yield is more than 160 times the Bethe-Heitler one. In general the peak in the photon spectra disappears for incident angles larger than half the critical angle for channelling. Dramatic radiative energy losses are found along axial directions - in 0.6 mm <110> Ge a 150 GeV electron loses more than 60% of its total energy. (orig.).

  10. Evaluation of 320x240 pixel LEC GaAs Schottky barrier X-ray imaging arrays, hybridized to CMOS readout circuit based on charge integration

    CERN Document Server

    Irsigler, R; Alverbro, J; Borglind, J; Froejdh, C; Helander, P; Manolopoulos, S; O'Shea, V; Smith, K

    1999-01-01

    320x240 pixels GaAs Schottky barrier detector arrays were fabricated, hybridized to silicon readout circuits, and subsequently evaluated. The detector chip was based on semi-insulating LEC GaAs material. The square shaped pixel detector elements were of the Schottky barrier type and had a pitch of 38 mu m. The GaAs wafers were thinned down prior to the fabrication of the ohmic back contact. After dicing, the chips were indium bump, flip-chip bonded to CMOS readout circuits based on charge integration, and finally evaluated. A bias voltage between 50 and 100 V was sufficient to operate the detector. Results on I-V characteristics, noise behaviour and response to X-ray radiation are presented. Images of various objects and slit patterns were acquired by using a standard dental imaging X-ray source. The work done was a part of the XIMAGE project financed by the European Community (Brite-Euram). (author)

  11. 护理人员多药耐药菌知识掌握的调查%Investigation on knowledge level of multiple antibiotic resistant bacteria in 240 nurses

    Institute of Scientific and Technical Information of China (English)

    高岸英; 王子珍; 李燕; 韩贞; 王秀梅; 赵新惠

    2015-01-01

    OBJECTIVE To understand the knowledge level of staff in hospital clinical departments about the pre‐vention and control of multi‐resistant bacteria so as to promote the prevention and control of multi‐drug resistant bacteria and decrease nosocomial infections .METHODS The 240 clinical nursing staff had taken the closed‐book ex‐am to know their knowledge level about multi‐drug resistant bacteria .The result was statistically analyzed by SPSS 17 .0 software .RESULTS Of the 240 clinical nursing staff ,those with or under junior college degree got the excellent rate in examination of 32 .25% ,and those with bachelor′s degree got 58 .12% (P0 .05) .Staff with middle intermediate title or below had the excellent rate of 46 .07% , while those with senior vice title or above had 40 .81% (P>0 .05) .CONCLUSION Recruitment selection of nursing staff should pay attention to school education ,and the selected nurses need to pass the exams ,at the same time knowledge about multi‐drug resistant bacteria should be strengthened in clinical nursing staff and regular assess‐ment should be perfumed to improve their prevention ability of nosocomial infections .%目的:了解医院临床科室护理人员对多药耐药菌预防控制知识的掌握情况,以提高护理人员多药耐药菌预防控制水平,有效降低医院感染。方法以闭卷考试的方式对240名临床护理人员进行多药耐药菌知识掌握情况的调查,对考试成绩采用SPSS17.0软件进行统计分析。结果240名临床护理人员学历大专及其以下考试成绩优秀率32.52%,本科及其以上学历成绩优秀率58.12%( P<0.01);考试成绩优秀率非重点科室40.00%、重点科室88.00%( P<0.01);性别及职称不同,考试成绩优秀率无明显差异,考试成绩优秀率男性护理人员51.22%、女性护理人员43.72%( P>0.05);考试成绩优秀率中级及中级以下46.07

  12. Studying of distribution of 137Cs, 90Sr, 239+240Pu, 241Am and 244Cm according to the organic acids fractions of the alienation zone soils

    International Nuclear Information System (INIS)

    The paper deals with data of research on the distribution of the radionuclides 137Cs, 90Sr, 239+240Pu, 241Am and 244Cm of ''the Chornobyl rains'' by the fractions of the organic matters of derno-podzolic sandy, derno-meadow and peat soils sampled in the alienation zone of the Chornobyl NPP. Functioning of organic matters was carried according to Tyurin's method. It is stressed that, independently on soil type, 137Cs is connected with the mineral contituent by 80-95%. It is found out that, independently on the soil type, 50-70% 137Sr and 15-45% 241Am are associated with fulvic acid fractions. The 241Am and 244Cm distribution according to organic acids taking into account deviations while carrying out determinations is unambiguous. It is found out that in all the soils tested the main quality of 239+24Pu is connected with humic acids

  13. On the dependence of the efficiency of a 240 GHz high-power gyrotron on the displacement of the electron beam and on the azimuthal index

    Energy Technology Data Exchange (ETDEWEB)

    Dumbrajs, O. [Institute of Solid State Physics (ISSP), Association EUROATOM-University of Latvia, Kengaraga iela 8, LV-1063 Riga (Latvia); Avramidis, K. A.; Franck, J.; Jelonnek, J. [Karlsruhe Institute of Technology (KIT), Institute for Pulsed Power and Microwave Technology (IHM), Association EURATOM-KIT, Kaiserstrasse 12, 76131 Karlsruhe (Germany)

    2014-01-15

    Two issues in the cavity design for a Megawatt-class, 240 GHz gyrotron are addressed. Those are first, the effect of a misaligned electron beam on the gyrotron efficiency and second, a possible azimuthal instability of the gyrotron. The aforementioned effects are important for any gyrotron operation, but could be more critical in the operation of Megawatt-class gyrotrons at frequencies above 200 GHz, which will be the anticipated requirement of DEMO. The target is to provide some basic trends to be considered during the refinement and optimization of the design. Self-consistent calculations are the base for simulations wherever possible. However, in cases for which self-consistent models were not available, fixed-field results are presented. In those cases, the conservative nature of the results should be kept in mind.

  14. On the dependence of the efficiency of a 240 GHz high-power gyrotron on the displacement of the electron beam and on the azimuthal index

    International Nuclear Information System (INIS)

    Two issues in the cavity design for a Megawatt-class, 240 GHz gyrotron are addressed. Those are first, the effect of a misaligned electron beam on the gyrotron efficiency and second, a possible azimuthal instability of the gyrotron. The aforementioned effects are important for any gyrotron operation, but could be more critical in the operation of Megawatt-class gyrotrons at frequencies above 200 GHz, which will be the anticipated requirement of DEMO. The target is to provide some basic trends to be considered during the refinement and optimization of the design. Self-consistent calculations are the base for simulations wherever possible. However, in cases for which self-consistent models were not available, fixed-field results are presented. In those cases, the conservative nature of the results should be kept in mind

  15. Impact of oscillations of photons into axion-like particles on the very-high energy γ-ray spectrum of the blazar PKS 1424+240

    CERN Document Server

    Meyer, Manuel

    2013-01-01

    Very high energy (VHE) gamma-rays undergo pair production with low energy photons of background radiation fields. This leads to an attenuation of the primary gamma-ray flux of extragalactic sources in the interaction with the extragalactic background light (EBL) which stretches from ultraviolet to far-infrared wavelengths. In the presence of magnetic fields, gamma-rays could oscillate into hypothetical axion-like particles (ALPs). This might lead to a reduced opacity of the Universe for VHE gamma-rays, as ALPs circumvent pair production. Here, the impact of photon-ALP conversions on the spectrum of PKS1424+240 is demonstrated. A lower limit on the redshift of this blazar was recently determined to be $z \\geqslant 0.6035$, making it the farthest source ever observed at VHE energies. Under the assumption of a specific magnetic field scenario and EBL model, photon-ALP couplings are derived that lead to an overall concave intrinsic blazar spectrum.

  16. 齐鲁石化资源优化项目240t/hCFB锅炉安装要点

    Institute of Scientific and Technical Information of China (English)

    张建忠

    2012-01-01

    三台240t/h循环流化床锅炉是齐鲁石化资源优化项目的重要组成部分,工期紧、施工难度大、焊接质量要求高。工程安装质量对装置的试车和平稳运行都有着重要的影响。结合项目管理工作体会,对CYB锅炉安装的施工要点进行了总结。限于篇幅,锅炉筑炉烘炉、防腐保温、大件吊装、附件安装、化学清洗、电气仪表施工、安全措施等不在这里阐述。

  17. Development Of VHF (240-270 MHz) Antennas For SoOp (Signal Of Opportunity) Receiver For 6u Cubesat Platforms

    Science.gov (United States)

    Joseph, A. T.; Deshpande, M.; O'Neill, P. E.; Miles, L.

    2016-01-01

    The main goal of this research is to design, fabricate, and test deployable VHF antennas for 6U Cubesat platforms to enable validation of root zone soil moisture (RZSM) estimation algorithms for signal of opportunity (SoOp) remote sensing over the 240-270 MHz frequency band. The proposed work provides a strong foundation for establishing a technology development path for maturing a truly global direct surface soil moisture (SM) and RZSM measurement system (Figure 1) over a variety of land covers with limited density restrictions. In SoOp methodology, signals transmitted by already existing transmitters (known as transmitters of opportunity, in this case the Military Satellite Communication (MilSatCom) System's UHF Follow-On program) are utilized to measure properties of reflecting targets by recording reflected signals using a simple passive microwave receiver.

  18. Induction of DNA strand breaks in normal human fibroblasts exposed to monochromatic ultraviolet and visible wavelengths in the 240-546 nm range

    International Nuclear Information System (INIS)

    The induction of DNA single-strand breaks in normal human fibroblasts exposed to monochromatic wavelengths from 240-546 nm was measured by the alkaline elution assay. The cells were irradiated at 1%C to prevent both repair of induced breaks and formation of enzymatically induced breaks through excision repair. The cultures were also washed with and irradiated while suspended in phosphate buffered saline to prevent the formation of DNA damaging photoproducts from medium components. The action spectrum for DNA strand breakage was found to exhibit one peak at 265 nm, consistent with DNA absorption, and a second peak at 450 nm. The normalized action spectrum in the visible is similar to the normalized absorption spectrum for riboflavin, a known photosensitizing agent, implicating this molecule as the absorbing chromophore. (author)

  19. Rare earth metals influence on mechanical properties and crack resistance of GP240GH and G17CrMo5-5 cast steels

    Directory of Open Access Journals (Sweden)

    M. Gajewski

    2009-10-01

    Full Text Available This paper presents results of research on modification influence of REM on mechanical properties and crack resistance of GP240GH cast carbon steel and G17CrMo5-5 high-temperature cast steel. The tests have been performed on successive industrial melts. The rare earth metals were put into the ladle during tapping of heat melt from the furnace. Each time ca 2000 kg of liquid metals were modified. Because of this the amount of sulphur in the cast steel was decreased and the non-metallic inclusion morphology was significantly changed. There were tested mechanical properties (Re,Rm, plastic properties (A5,Z and impact strength (KV, and on the basis of the three-point bend test the KJC stress intensity factor was evaluated. It was noticed that the REM modification brings essential increase of impact strength as well as fracture toughness determined by KJC factor.

  20. C22:0- and C24:0-dihydroceramides confer mixed cytotoxicity in T-cell acute lymphoblastic leukemia cell lines.

    Directory of Open Access Journals (Sweden)

    Michael W Holliday

    Full Text Available We previously reported that fenretinide (4-HPR was cytotoxic to acute lymphoblastic leukemia (ALL cell lines in vitro in association with increased levels of de novo synthesized dihydroceramides, the immediate precursors of ceramides. However, the cytotoxic potentials of native dihydroceramides have not been defined. Therefore, we determined the cytotoxic effects of increasing dihydroceramide levels via de novo synthesis in T-cell ALL cell lines and whether such cytotoxicity was dependent on an absolute increase in total dihydroceramide mass versus an increase of certain specific dihydroceramides. A novel method employing supplementation of individual fatty acids, sphinganine, and the dihydroceramide desaturase-1 (DES inhibitor, GT-11, was used to increase de novo dihydroceramide synthesis and absolute levels of specific dihydroceramides and ceramides. Sphingolipidomic analyses of four T-cell ALL cell lines revealed strong positive correlations between cytotoxicity and levels of C22:0-dihydroceramide (ρ = 0.74-0.81, P ≤ 0.04 and C24:0-dihydroceramide (ρ = 0.84-0.90, P ≤ 0.004, but not between total or other individual dihydroceramides, ceramides, or sphingoid bases or phosphorylated derivatives. Selective increase of C22:0- and C24:0-dihydroceramide increased level and flux of autophagy marker, LC3B-II, and increased DNA fragmentation (TUNEL assay in the absence of an increase of reactive oxygen species; pan-caspase inhibition blocked DNA fragmentation but not cell death. C22:0-fatty acid supplemented to 4-HPR treated cells further increased C22:0-dihydroceramide levels (P ≤ 0.001 and cytotoxicity (P ≤ 0.001. These data demonstrate that increases of specific dihydroceramides are cytotoxic to T-cell ALL cells by a caspase-independent, mixed cell death mechanism associated with increased autophagy and suggest that dihydroceramides may contribute to 4-HPR-induced cytotoxicity. The targeted increase of specific acyl chain dihydroceramides

  1. Chandra X-ray observations of the HII region G5.89-0.39 and TeV Source HESSJ1800-240B

    Science.gov (United States)

    Rowell, G.; Horns, D.; Uchiyama, Y.; Funk, S.; Wagner, S.; Nicholas, B.; H.E.S.S. Collaboration

    The TeV gamma-ray sources in the field of the old age (> 10000 yr) supernova remnant (SNR) W28 present a unique opportunity to probe for a new type of multi-TeV particle accelerator, namely, HII regions. One such example is the TeV source HESS J1800-240B which is found towards the highly unusual HII region complex G5.89-0.39. In this context X-rays studies are highly valuable in probing the particle acceleration potential of such HII regions and their subsequent contribution to the gamma-ray emission. Previous high resolution XMM-Newton X-ray observations despite being affected by stray light from a nearby X-ray binary, revealed several sources co-located with the two star forming components of G5.89-0.39, namely G5.89-0.39A, a HII region, as well as G5.89-0.39B, an ultracompact or UCHII region. Here we describe preliminary analysis and results from our Chandra observations towards G5.89-0.39 and HESS J1800-240B (∼80 ks) which are not affected by stray light. With Chandra, we reveal over 200 X-ray sources which appear to cluster somewhat towards G5.89-0.39A and B respectively. This includes possibly extended emission towards a massive O5 or earlier spectral type star (known as Feldt's star) thought to provide much of the ionisation and energetics in G5.89-0.39B. Some of the X-ray sources exhibit energetics typical of young moderate to high mass stars. Our Chandra observations reveal for the first time the extent of star formation in the two HII components. Ongoing work centres on detailed spectral studies, cross-correlation with stellar catalogues, and the search for extended X-ray emission.

  2. The marginal efficiency of utilization of all ileal digestible indispensable amino acids for protein gain is lower than 30% in preruminant calves between 80 and 240 kg live weight

    NARCIS (Netherlands)

    Gerrits, W.J.J.; Schrama, J.W.; Tamminga, S.

    1998-01-01

    A previous study showed that the marginal efficiency of utilization of digestible nitrogen for deposition in the body in preruminant calves is only ~30%. The study consisted of two similar experiments that were performed in two live weight ranges: 80-160 and 160-240 kg. In each experiment, 36 calves

  3. Radionuclides 137Cs, 90Sr, 241Am and 239+240Pu in vegetation cover of the former Semipalatinsk test site

    International Nuclear Information System (INIS)

    The Semipalatinsk Test Site (STS) is one of the largest testing grounds for nuclear weapons. Diverse nuclear explosions were carried out on its territory: 340 underground tests (sites 'Degelen', 'Balapan' and 'Sary-Uzen'), 30 surface and 86 nuclear air explosions (site for radioactive warfare agent (RWA) and 'Experimental Field'). Since the STS was shutdown a large amount of information about current radiological situation in its territory has been collected. In recent years, one of the main problems is gradual transfer of its lands for national economy. Under these conditions, an essential element for prediction of radioactive contamination levels of food products is radionuclides redistribution parameters in soil-plant system used in calculation of doses to the population living within STS territory. Until recently, matter of radionuclides migration from soil to plants has been poorly studied. Individual researches, more or less devoted to this issue occurred in the past, but have virtually no information about accumulation of transuranic radionuclides in plants. More regular studies in this direction have been initiated recently. Between 2007 and 2013 features of artificial radionuclides accumulation in certain plant species under radioactive tunnel watercourses at 'Degelen' site were studied. We've obtained statistically reliable data characterizing accumulation of radionuclides, including 239+240Pu and 241Am, in steppe plants at 'Experimental field' site. The content of radionuclides in plants was researched at the RWA site. Comprehensive ecological survey in order to release the lands to the national economic turnover investigated parameters of radionuclides accumulation in steppe grasses at conditionally 'background' areas of STS and some parts of radioactive trace plume caused by the explosion in 1953. To date, all the findings have been generalized. We present an integrated picture about accumulation of artificial radionuclides 137Cs, 90Sr, 239+240Pu and

  4. Chandra observations of the HII complex G5.89-0.39 and TeV gamma-ray source HESSJ1800-240B

    Science.gov (United States)

    Hampton, E. J.; Rowell, G.; Hofmann, W.; Horns, D.; Uchiyama, Y.; Wagner, S.

    2016-09-01

    We present the results of our investigation, using a Chandra X-ray observation, into the stellar population of the massive star formation region G5.89-0.39, and its potential connection to the coincident TeV gamma-ray source HESSJ1800-240B. G5.89-0.39 comprises two separate HII regions G5.89-0.39A and G5.89-0.39B (an ultra-compact HII region). We identified 159 individual X-ray point sources in our observation using the source detection algorithm wavdetect. 35 X-ray sources are associated with the HII complex G5.89-0.39. The 35 X-ray sources represent an average unabsorbed luminosity (0.3-10 keV) of ∼1030.5erg /s, typical of B7-B5 type stars. The potential ionising source of G5.89-0.39B known as Feldt's star is possibly identified in our observation with an unabsorbed X-ray luminosity suggestive of a B7-B5 star. The stacked energy spectra of these sources is well-fitted with a single thermal plasma APEC model with kT ∼ 5 keV, and column density NH = 2.6 ×1022cm-2 (AV ∼ 10). The residual (source-subtracted) X-ray emission towards G5.89-0.39A and B is about 30% and 25% larger than their respective stacked source luminosities. Assuming this residual emission is from unresolved stellar sources, the total B-type-equivalent stellar content in G5.89-0.39A and B would be 75 stars, consistent with an earlier estimate of the total stellar mass of hot stars in G5.89-0.39. We have also looked at the variability of the 35 X-ray sources in G5.89-0.39. Ten of these sources are flagged as being variable. Further studies are needed to determine the exact causes of the variability, however the variability could point towards pre-main sequence stars. Such a stellar population could provide sufficient kinetic energy to account for a part of the GeV to TeV gamma-ray emission in the source HESSJ1800-240B. However, future arc-minute angular resolution gamma-ray imaging will be needed to disentangle the potential gamma-ray components powered by G5.89-0.39 from those powered by the

  5. Root Zone Soil Moisture (RZSM) Estimates Using VHF (240-270 MHZ) Antenna for SoOp (Signal of Opportunity) Receiver for 6U CubeSat Platforms

    Science.gov (United States)

    Joseph, A. T.

    2015-12-01

    The main goal of this research is to develop VHF antennas for 6U Cubesat platforms to enable validation of root zone soil moisture (RZSM) estimation algorithms for signal of opportunity (SoOp) remote sensing over the 240-270 MHz frequency band. This study provides a strong foundation for establishing a path for maturing truly global direct surface soil moisture (SM) and RZSM measurement system over a variety of land covers with limited density restrictions. In SoOp methodology, signals transmitted by already existing transmitters, in this case the Military Satellite Communication (MilSatCom) System's UHF Follow-On program, are utilized to measure properties of reflecting targets by recording reflected signals using a simple passive microwave receiver. We developed and will test VHF (240-270 MHz) antenna technology for SoOp receivers for 6U Cubesat platforms and perform measurement of SM and RZSM using the proposed antennas deployed on a ground-based Soil Moisture Active Passive (SMAP) simulator boom truck. We will validate the RZSM and SM estimation algorithms from measured data (where RZSM is defined as the volumetric SM contained in the top 1 m of the soil column). Knowledge of RZSM up to a depth of 1 m and surface SM up to a depth of 0.05 m on a global scale, at a spatial resolution of 1-10 km through moderate-to-heavy vegetation, is critical to understanding global water resources and the vertical moisture gradient in the Earth's surface layer which controls moisture interactions between the soil, vegetation, and atmosphere. Current observations of surface SM from space by L-band radiometers and radars are limited to measurements of surface SM up to a depth of ~0.05 m through moderate amounts of vegetation. Developing bi-static reflectometry using VHF geostationary satellite SoOp creates the potential of directly observing SM and RZSM on a truly global basis from a constellation of small satellite-based receivers in low earth orbit. The technique provides the

  6. The dwarf phenotype in GH240B mice, haploinsufficient for the autism candidate gene Neurobeachin, is caused by ectopic expression of recombinant human growth hormone.

    Directory of Open Access Journals (Sweden)

    Kim Nuytens

    Full Text Available Two knockout mouse models for the autism candidate gene Neurobeachin (Nbea have been generated independently. Although both models have similar phenotypes, one striking difference is the dwarf phenotype observed in the heterozygous configuration of the GH240B model that is generated by the serendipitous insertion of a promoterless human growth hormone (hGH genomic fragment in the Nbea gene. In order to elucidate this discrepancy, the dwarfism present in this Nbea mouse model was investigated in detail. The growth deficiency in Nbea+/- mice coincided with an increased percentage of fat mass and a decrease in bone mineral density. Low but detectable levels of hGH were detected in the pituitary and hypothalamus of Nbea+/- mice but not in liver, hippocampus nor in serum. As a consequence, several members of the mouse growth hormone (mGH signaling cascade showed altered mRNA levels, including a reduction in growth hormone-releasing hormone mRNA in the hypothalamus. Moreover, somatotrope cells were less numerous in the pituitary of Nbea+/- mice and both contained and secreted significantly less mGH resulting in reduced levels of circulating insulin-like growth factor 1. These findings demonstrate that the random integration of the hGH transgene in this mouse model has not only inactivated Nbea but has also resulted in the tissue-specific expression of hGH causing a negative feedback loop, mGH hyposecretion and dwarfism.

  7. Statistical activities during 1976 and the design and initial analysis of nuclear site studies. [/sup 241/Am, /sup 137/Cs, /sup 239/Pu, /sup 240/Pu

    Energy Technology Data Exchange (ETDEWEB)

    Gilbert, R O; Essington, E H; Brady, D N; Doctor, P G; Eberhardt, L L

    1977-05-01

    Statistical design and analysis activities for the Nevada Applied Ecology Group (NAEG) during 1976 are briefly outlined. This is followed by a description of soil data collected thus far at nuclear study sites. Radionuclide concentrations in surface soil collected along a transect from ground zero (GZ) along the main fallout pattern are given for Nuclear Site (NS) 201. Concentrations in soil collected at 315 locations on a grid system at 200 foot spacings are also given for this site. The /sup 241/Am to /sup 137/Cs ratios change over NS 201 depending on location relative to GZ. They range from less than one where /sup 241/Am is at low levels, to more than fifty where /sup 241/Am levels are high (near GZ). The estimated median /sup 239/ /sup 240/Pu to /sup 241/Am ratio is 11 and appears to be relatively constant over the area (the 95 percent lower and upper limits on the true median ratio are about 8 and 14).

  8. Sequential leaching extraction of 239,240Pu, 238Pu, 241Pu and 241Am from a mud sample: An intercomparison study

    International Nuclear Information System (INIS)

    Full text: The determination of the association percentages of transuranics to different sediment phases could define their fate once they have been deposited onto the marine floor and their possible reactivity at the sediment/sea water interphase. Nowadays, there is a wide variety of leaching methods to extract transuranics from the different geochemical compounds conforming the sediments. Nevertheless, a general controversy is extended in the scientific world due to the extreme difficulty in testing their reliability, since the standards of transuranics linked to a certain sedimentary phase are not commercially available. Two mud subsamples taken from a storage container were analysed employing the same sequential extraction method, but with small handling differences.The following fractions were isolated: (1) Readily available (2) Carbonate bound and specifically adsorbed (3) Organically bound (4) Oxide and hydroxides bound and (5) residual. The 239,240Pu, 238Pu and 241Am extracted in each phase were analysed using standard radiochemical procedures. 241Pu was determined by both direct scintillation counting and through the 241Am in-growth up on the old disks containing Plutonium. The procedure for uncertainty calculations has been also included. (author)

  9. Sequential leaching extraction of 239,240Pu, 238Pu, 241Pu, 237Np and 241Am from a mud sample: An intercomparison study

    International Nuclear Information System (INIS)

    The transuranics content of a mud sample taken from a nuclear waste storage container was analysed employing two different sequential extraction methods. The following fractions were isolated: (1)Water soluble (2) Readily available (3) Carbonate bound and specifically adsorbed (4) Organically bound (5) Oxide and hydroxides bound and (6) residual. Both methods differ in the reagents employed, the extraction sequence applied as well as the temperature and means of extraction. The 239,240Pu, 238Pu, 237Np and 241Am extracted in each phase were determined using standard radiochemical procedures. 241Pu was analysed through the 241Am in-growth on just one old disk of the residual fraction containing plutonium. Plutonium was mainly associated to organic-oxides fractions (89-92 %). The percentage extracted in each fraction depended on the method and the extraction sequence used. The soluble fraction of plutonium was less than 13%. Neptunium seemed to be the more soluble than the other transuranics (27%) and the americium showed a tendency to be associated to carbonates (30%). (author)

  10. Updated estimates of /sup 239-240/Pu + 241Am inventory, spatial pattern, and soil tonnage for removal at nuclear site-201, NTS

    International Nuclear Information System (INIS)

    These new estimates are based on 712 241Am soil concentrations including 185 data values not previously available. Estimates were obtained using essentially the same kriging techniques and the estimated average /sup 239-240/Pu to 241Am ratio of 7.5 used to obtain previous results. The total Pu + Am inventory estimated to be in the top 5 cm of soil over the 109 hectare study is approximately 16.3 curies. Lower and upper limits on this inventory estimate are about 6.7 and 45.6 curies, respectively. It is estimated that about 58 acres (approx. = 23 hectares) of land in the study are contaminated at levels greater than 40 pCi/g which includes about 40 acres (approx. = 16 hectares) at levels greater than 160 pCi/g. Approximately 28,000 tons of soil would need to be removed (to 15-cm depth) to clean up all areas with estimated concentrates greater than or equal to 160 pCi/g. About 41,000 tons would require removal at the 40 pCi/g level. 5 references, 6 figures, 2 tables

  11. Chandra observations of the HII complex G5.89-0.39 and TeV gamma-ray source HESSJ1800-240B

    CERN Document Server

    Hampton, E J; Hofmann, W; Horns, D; Uchiyama, Y; Wagner, S

    2016-01-01

    We present the results of our investigation, using a Chandra X-ray observation, into the stellar population of the massive star formation region G5.89-0.39, and its potential connection to the coincident TeV gamma-ray source HESSJ1800-240B. G5.89-0.39 comprises two separate HII regions G5.89-0.39A and G5.89-0.39B (an ultra-compact HII region). We identified 159 individual X-ray point sources in our observation using the source detection algorithm \\texttt{wavdetect}. 35 X-ray sources are associated with the HII complex G5.89-0.39. The 35 X-ray sources represent an average unabsorbed luminosity (0.3-10\\,keV) of $\\sim10^{30.5}$\\,erg/s, typical of B7-B5 type stars. The potential ionising source of G5.89-0.39B known as Feldt's star is possibly identified in our observation with an unabsorbed X-ray luminosity suggestive of a B7-B5 star. The stacked energy spectra of these sources is well-fitted with a single thermal plasma APEC model with kT$\\sim$5\\,keV, and column density N$_{\\rm H}=2.6\\times10^{22}$\\,cm$^{-2}$ (A...

  12. Submillimeter Array Observations of Magnetic Fields in G240.31+0.07: an Hourglass in a Massive Cluster-forming Core

    CERN Document Server

    Qiu, Keping; Menten, Karl M; Liu, Hauyu B; Tang, Ya-Wen; Girart, Josep M

    2014-01-01

    We report the first detection of an hourglass magnetic field aligned with a well-defined outflow-rotation system in a high-mass star-forming region. The observations were performed with Submillimeter Array toward G240.31+0.07, which harbors a massive, flattened, and fragmenting molecular cloud core and a wide-angle bipolar outflow. The polarized dust emission at 0.88 mm reveals a clear hourglass-shaped magnetic field aligned within 20 degree of the outflow axis. Maps of high-density tracing spectral lines, e.g., H13CO+ (4-3), show that the core is rotating about its minor axis, which is also aligned with the magnetic field axis. Therefore, both the magnetic field and kinematic properties observed in this region are surprisingly consistent with the theoretical predictions of the classic paradigm of isolated low-mass star formation. The strength of the magnetic field in the plane of sky is estimated to be about 1.1 mG, resulting in a mass-to-magnetic flux ratio of 1.4 times the critical value and a turbulent to...

  13. The Experience of Pilot Studies of Lymph Capillaries Pathomorphology of Thyroid Papillary Carcinoma According to the Data from the Images Stained by D2-40 Marker

    Directory of Open Access Journals (Sweden)

    Sprindzhuk M.V.

    2011-09-01

    Full Text Available The aim of the work is to study the growth and development regularities of lymph vascular bed of thyroid papillary carcinomas according to the results of image processing of pathohistological specimens. Materials and Methods. The objects of the research were microslides (n=40 stained by D2-40 marker, prepared from surgically removed tumours (thyroid papillary carcinoma of patients with sporadic thyroid carcinoma. The tumour specimens were stored frozen. The majority of patients were female (82.5%, age varying from 9 to 18 years. An average tumour size was 10 mm. There was used special software that processed images and calculated 5 parameters: relative area of vessels; relative fraction of small objects of vessels (noise; relative fraction of great vessels; average colority of distinguished vessels. Results. There was revealed the relationship between the infiltration growth of thyroid papillary carcinomas and the relative area of capillary lymph bed measured on digital images (Pearson correlation — 0.32; 2-tailed — 0.43; p<0.05.

  14. Estimation of covariances of {sup 10}B, {sup 11}B, {sup 55}Mn, {sup 240}Pu and {sup 241}Pu neutron nuclear data in JENDL-3.2

    Energy Technology Data Exchange (ETDEWEB)

    Shibata, Keiichi [Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Tokai Research Establishment; Nakajima, Yutaka; Murata, Toru

    1998-08-01

    Covariances of nuclear data have been estimated for 5 nuclides contained in JENDL-3.2. The nuclides considered are {sup 10}B, {sup 11}B, {sup 55}Mn, {sup 240}Pu, and {sup 241}Pu, which are regarded as important for the nuclear design study of fast reactors. The physical quantities for which covariances are deduced are cross sections, resolved and unresolved resonance parameters, and the first order Legendre-polynomial coefficient for the angular distribution of elastically scattered neutrons. The covariances were estimated by using the same methodology that had been used in the JENDL-3.2 evaluation in order to keep a consistency between mean values and their covariances. The least-squares fitting code GMA was used in estimating covariances for reactions of which JENDL-3.2 cross sections had been evaluated by taking account of measurements. Covariances of nuclear model calculations were deduced by the KALMAN system. The covariance data obtained were compiled in the ENDF-6 format, and will be put into the JENDL-3.2 Covariance File which is one of JENDL special purpose files. (author)

  15. Measurement of electro-sprayed 238 and 239+240 plutonium isotopes using 4{pi}-alpha spectrometry. Application to environmental samples; Spectrometrie alpha 4{pi} de sources d'actinides realisees par electronebulisation. Developpement et optimisation d'un protocole applique au mesurage des isotopes 238 et 239+240 du plutonium dans l'environnement

    Energy Technology Data Exchange (ETDEWEB)

    Charmoille-Roblot, M. [CEA/Fontenay-aux-Roses, Dept. de Protection de l' Environnement (DPRE), 92 (France)]|[Paris-11 Univ., 91 - Orsay (France)

    1999-07-01

    A new protocol for plutonium deposition using the electro-spray technique coupled with 4{pi}-{alpha} spectrometry is proposed to improve the detection limit, shorten the counting time. In order to increase the detection efficiency, it was proposed to measure 238 and 239+240 plutonium isotopes electro-sprayed deposit simultaneously on both sides of the source support, that must be as transparent as possible to alpha-emissions, in a two-alpha detectors chamber. A radiochemical protocol was adapted to electro-spray constraints and a very thin carbon foil was selected for 4{pi} -alpha spectrometry. The method was applied to a batch of sediment samples and gave the same results as an electrodeposited source measured using conventional alpha spectrometry with a 25 % gain on counting time and 10 % on plutonium 238 detection limit. Validation and application of the technique have been made on reference samples. (author)

  16. Markers aiding the diagnosis of chondroid tumors: an immunohistochemical study including osteonectin, bcl-2, cox-2, actin, calponin, D2-40 (podoplanin), mdm-2, CD117 (c-kit), and YKL-40

    DEFF Research Database (Denmark)

    Daugaard, Søren; Christensen, Lise H; Høgdall, Estrid

    2009-01-01

    (s) for the different subgroups. Archival material from three extraskeletal myxoid chondrosarcomas, five chordomas, five chondromyxoid fibromas, five chondroblastomas and 25 chondrosarcomas was stained with antibodies against osteonectin, bcl-2, cox-2, actin, calponin, D2-40 (podoplanin), mdm-2, CD117 (c-kit) and YKL......-40. All 25 chondrosarcomas showed a positive staining reaction for D2-40, none for actin and CD117, and a partial reactivity for bcl-2 (36%). Chondroblastomas (5/5) and chondromyxoid fibromas (2/5) were the only tumors with a positive reaction for actin, and all chondroblastomas (n=5...... chondrosarcomas. A convincing immunoreactivity for calponin and/or actin in chondromyxoid fibromas and chondroblastomas may also be helpful in differentiating these tumors from chondrosarcomas....

  17. Field Efficacy of Sulfoxaflor 240 g/L SC against Nilaparvata lugens(St(a)l)%氟啶虫胺腈对褐飞虱的田间防治效果

    Institute of Scientific and Technical Information of China (English)

    林仁魁; 邹华娇; 吴德飞

    2012-01-01

    [目的]明确240 g/L氟啶虫胺腈悬浮剂对褐飞虱的田间控制作用及最佳使用剂量.[方法]采用田间喷雾法,对氟啶虫胺腈37.5、50、75、100 g a.i./hm2四种不同剂量处理防治褐飞虱效果进行试验研究.[结果]240 g/L氟啶虫胺腈悬浮剂37.5、50 g a.i./hm2两种剂量处理,药后1~3 d对褐飞虱的防效为51.42%~68.51%,药后7~14 d的防效为61.00%~79.10%,与对照药剂25%噻嗪酮可湿性粉剂112.5 g a.i./hm2剂量处理相比,速效性相当,但持效性差;而75、100 g a.i./hm2两种剂量处理,药后1~3 d防效为67.18%~74.11%,药后7~14 d防效为81.26%~89.22%,与对照药剂25%噻嗪酮可湿性粉剂112.5 g a.i./hm2剂量处理相比,速效性更好,而持效性相当.[结论]240 g/L氟啶虫胺腈悬浮剂75~100 g a.i./hm2剂量喷雾处理,能有效控制褐飞虱的发生为害,可供生产上推广应用.%[Aims] The paper aims to conform the efficacy and the optimum dosage of sulfoxaflor 240 g/L SC on controlling Nilaparvata lugens (Stal) in rice field. [Methods] Using the method of field spray, the efficacy of sulfoxaflor 240 g/L SC with dosage of 37.5, 50, 75, 100 g a.i./ha on controling N. lugens were determined. [Results] The control effects of sulfoxaflor 240 g/L SC with dosage of 37.5 and 50 g a.i./ha after 1-3 days after treatment were 51.42-68.51%, and 61.00-79.10% after 7-14 days, the rapid control effects had no significant difference compared with uprofezin 25% WP at 1 125 g a.i./ha , but the uprofezin 25% WP did have more persistent control effects. The control effects at 75 and 100 g a.i./ha after application of 1-3 days were 67.18-74.11%, and 81.26-89.22% after 7-14 days, the persistent control effects had no significant difference with uprofezin 25% WP at 1125 g a.i./ha, but sulfoxaflor 240 g/L SC has more rapid control effects. [Conclusions] The dosage of 75-100 g a.i./ha of sulfoxaflor 240 g/L SC could effectively control the populations of N

  18. SELECTION OF RUSSIAN STEAM TURBINES FOR THE VIETNAMESE COMBINED GASSTEAM PLANT. THE INFLUENCE OF THE EFFICIENCY OF HIGH-PRESSURE CYLINDER OF STEAM TURBINE K-300-240-2 ON THE POWER OF A GAS-STEAM PLANT IN VIETNAM

    Directory of Open Access Journals (Sweden)

    Pham A. H.

    2015-06-01

    Full Text Available The article looks at the current state of energy in Vietnam and the selection of new Russian steam turbines for operation in combined gas-steam plant in Vietnam. The calculated results of thermal performance scheme 3x1 with combined gas-steam plant 1090 MW based on the Russian steam turbines K-330-240-2 and on the steam turbines TS2A40 Mitsubishi (station PhuMy-1, Vietnam. It also looks at the influence of the efficiency of high-pressure cylinders of Russian steam turbine K-330-240-2 on the efficiency and power of a gas-steam plant 3x1 with 1090 MW, increasing the efficiency of high-pressure cylinder of steam turbine through the use of honeycomb seals in flow part

  19. Cytotoxicity of PEGylated liposomes co-loaded with novel pro-apoptotic drug NCL-240 and the MEK inhibitor cobimetinib against colon carcinoma in vitro.

    Science.gov (United States)

    Sriraman, Shravan Kumar; Geraldo, Vananelia; Luther, Ed; Degterev, Alexei; Torchilin, Vladimir

    2015-12-28

    The overactivation of signaling pathways, such as the PI3K and MAPK, which are crucial to cell growth and survival, is a common feature in many cancer types. Though a number of advances have been made in the development of molecular agents targeting these pathways, their application as monotherapies has not significantly improved clinical outcome. A novel liposomal preparation was developed, co-loaded with NCL-240, a small-molecule inhibitor of the PI3K/mTOR pathway, along with cobimetinib, a MEK/ERK pathway inhibitor. This combination drug-loaded nanocarrier, (N+C)-LP, was able to significantly enhance the cytotoxicity of these drugs against colon carcinoma cells in vitro demonstrating a clear synergistic effect (combination index of 0.79). The (N+C)-LP was also able to induce cell cycle arrest of the cells, specifically in the G1 phase thereby preventing their progression to the S-phase, typical of the action of MEK inhibitors. Analyzing the apoptotic events, it was found that this effect on cell cycle regulation is followed by the induction of apoptosis. The quantified distribution of apoptotic events showed that the (N+C)-LP induced apoptosis significantly by over 3-4 fold (P<0.001) compared to other treatment groups. The co-loaded liposomal preparation was also targeted to the transferrin receptor of cancer cells by modifying the surface of the liposome with transferrin. FACS analysis showed that transferrin-mediated targeting enhanced the association of liposomes to HCT 116 cells by almost 5-fold. This could potentially allow for cancer cell-specific effects in vivo thereby minimizing any non-specific interactions of the liposomes with non-cancerous cells. Taken together, this study clearly shows that the combined inhibition of the PI3K and MEK pathways correlates with a significant anti-proliferative effect, due to cell-cycle regulation leading to the induction of apoptosis. PMID:26497930

  20. Single-molecule spectroscopy and femtosecond transient absorption studies on the excitation energy transfer process in ApcE(1-240) dimers.

    Science.gov (United States)

    Long, Saran; Zhou, Meng; Tang, Kun; Zeng, Xiao-Li; Niu, Yingli; Guo, Qianjin; Zhao, Kai-Hong; Xia, Andong

    2015-05-28

    ApcE(1-240) dimers with one intrinsic phycocyanobilin (PCB) chromophore in each monomer that is truncated from the core-membrane linker (ApcE) of phycobilisomes (PBS) in Nostoc sp. PCC 7120 show a sharp and significantly red-shifted absorption. Two explanations either conformation-dependent Förster resonance energy transfer (FRET) or the strong exciton coupling limit have been proposed for red-shifted absorption. This is a classic example of the special pair in the photosynthetic light harvesting proteins, but the mechanism of this interaction is still a matter of intense debate. We report the studies using single-molecule and transient absorption spectra on the interaction in the special pair of ApcE dimers. Our results demonstrate the presence of conformation-dependent FRET between the two PCB chromophores in ApcE dimers. The broad distributions of fluorescence intensities, lifetimes and polarization difference from single-molecule measurements reveal the heterogeneity of local protein-pigment environments in ApcE dimers, where the same molecular structures but different protein environments are the main reason for the two PCB chromophores with different spectral properties. The excitation energy transfer rate between the donor and the acceptor about (110 ps)(-1) is determined from transient absorption measurements. The red-shifted absorption in ApcE dimers could result from more extending conformation, which shows another type of absorption redshift that does not depend on strong exciton coupling. The results here stress the importance of conformation-controlled spectral properties of the chemically identical chromophores, which could be a general feature to control energy/electron transfer, widely existing in the light harvesting complexes. PMID:25925197

  1. Research on UNS S32101 Duplex Stainless Steel SMAW Welding Process%ASTM A240UNS S32101双相不锈钢SMAW焊接工艺研究

    Institute of Scientific and Technical Information of China (English)

    朱金胜; 廖素萍

    2013-01-01

    In this article, the properties and welding characteristics of ASTM A240 UNS S32101 duplex stainless steel were introduced. By using SMAW process, selecting appropriate welding material, adjusting welding process and technical measures, and strictly controlling the interlayer temperature and heat input, the ferrite with proper proportions and austenite dual-phase structure in weld and HAZ were obtained, and the welded joint is with good mechanical properties. Through welding procedure qualification test, the feasibility and effectiveness of SMAW were verified, and the reasonable SMAW welding process for ASTM A240 UNS S32101 duplex stainless steel was determined, thus it will provide instruction to site welding.%针对ASTM A240 UNS S32101双相不锈钢的性能特点和焊接特性,采用手工电弧焊接(SMAW),选用合理的焊接材料,调整焊接工艺和技术措施,严格控制层间温度和焊接热输入,焊接后焊缝及热影响区获得了与母材较为相近、比例适当的铁素体和奥氏体双相组织,焊接接头具有良好的力学性能.并通过焊接工艺评定试验,验证了SMAW焊接方法的可行性和有效性,确定了ASTM A240 UNS S32101双相不锈钢合理的SMAW焊接工艺,为现场焊接提供了指导.

  2. Retention and translocation of foliar applied {sup 239,240}Pu and {sup 241}Am, as compared to {sup 137}Cs and {sup 85}Sr, into bean plants (Phaseolus vulgaris)

    Energy Technology Data Exchange (ETDEWEB)

    Henner, P. [Institute for Radioprotection and Nuclear Safety, Environment and Emergency Operations Division, Department for the Study of Radionuclides Behaviour in Ecosystems, Laboratory of Radioecology and Ecotoxicology, IRSN/DPRE/SECRE/LRE, Cadarache Centre, Building 186, BP 3, 13115 Saint-Paul-lez-Durance (France)]. E-mail: pascale.henner@irsn.fr; Colle, C. [Institute for Radioprotection and Nuclear Safety, Environment and Emergency Operations Division, Department for the Study of Radionuclides Behaviour in Ecosystems, Laboratory of Radioecology and Ecotoxicology, IRSN/DPRE/SECRE/LRE, Cadarache Centre, Building 186, BP 3, 13115 Saint-Paul-lez-Durance (France); Morello, M. [Institute for Radioprotection and Nuclear Safety, Environment and Emergency Operations Division, Department for the Study of Radionuclides Behaviour in Ecosystems, Laboratory of Radioecology and Ecotoxicology, IRSN/DPRE/SECRE/LRE, Cadarache Centre, Building 186, BP 3, 13115 Saint-Paul-lez-Durance (France)

    2005-07-01

    Foliar transfer of {sup 241}Am, {sup 239,240}Pu, {sup 137}Cs and {sup 85}Sr was evaluated after contamination of bean plants (Phaseolus vulgaris) at the flowering development stage, by soaking their first two trifoliate leaves into contaminated solutions. Initial retentions of {sup 241}Am (27%) and {sup 239,240}Pu (37%) were higher than those of {sup 137}Cs and {sup 85}Sr (10-15%). Mean fraction of retained activity redistributed among bean organs was higher for {sup 137}Cs (20.3%) than for {sup 239,240}Pu (2.2%), {sup 241}Am (1%) or {sup 85}Sr (0.1%). Mean leaf-to-pod translocation factors (Bq kg{sup -1}dry weight pod/Bq kg{sup -1}dry weight contaminated leaves) were 5.0 x 10{sup -4} for {sup 241}Am, 2.7 x 10{sup -6} for {sup 239,240}Pu, 5.4 x 10{sup -2} for {sup 137}Cs and 3.6 x 10{sup -4} for {sup 85}Sr. Caesium was mainly recovered in pods (12.8%). Americium and strontium were uniformly redistributed among leaves, stems and pods. Plutonium showed preferential redistribution in oldest bean organs, leaves and stems, and very little redistribution in forming pods. Results for americium and plutonium were compared to those of strontium and caesium to evaluate the consistency of the attribution of behaviour of strontium to transuranium elements towards foliar transfer, based on translocation factors, as stated in two radioecological models, ECOSYS-87 and ASTRAL.

  3. Retrospective determination of 238Pu, 239,240Pu and 90Sr activities in the outer bark of Norway spruce (Picea abies (L.) Karst.) collected at various sites in the Czech Republic

    International Nuclear Information System (INIS)

    The activity concentrations of 238Pu, 239,240Pu and 90Sr were determined in 25 archived spruce outer bark samples collected in coniferous forests across the Czech Republic in 1995. At three sampling sites the radionuclide activity concentrations were determined in forest soil. Data was provided on the cumulative deposition and vertical distribution of 238Pu, 239,240Pu and 90Sr in forest soil. The median activity concentration of 238Pu in the spruce bark samples was 0.009 Bq kg-1. The median activity concentration of 239,240Pu was 0.212 Bq kg-1, and the median activity concentration of 90Sr was 10.6 Bq kg-1. The radionuclide activity concentration distribution was not significantly explained by the local long-term (1961-2000) mean annual precipitation totals, by site elevation, by bark acidity, by soil moisture and soil texture. The activity concentrations of the radionuclides in bark were found to be higher than or comparable with the published and measured figures for radionuclide activity concentrations in cultivated and uncultivated soils (0-20 cm layer) in the Czech Republic and abroad. The activity concentration ratio of 90Sr/239,240Pu in the investigated spruce bark samples was higher than in the relevant soil samples. We assume that the crucial radioactive contamination loads in bark occurred in the first half of the 1960s, when the concentration of the investigated radionuclides in the air was highest. Spruce trunk bark has preserved relatively high activity concentrations of these radionuclides. The mechanism governing the long-term radionuclide activity concentrations in outer bark proportional to the local radioactive fallout rates is not correctly known. Our results indicate the suitability of spruce bark for use as an effective monitor of radioactive plume fallout loads even several decades after the contamination episode. (author)

  4. Induction of Mitochondrial Changes Associated with Oxidative Stress on Very Long Chain Fatty Acids (C22:0, C24:0, or C26:0-Treated Human Neuronal Cells (SK-NB-E

    Directory of Open Access Journals (Sweden)

    Amira Zarrouk

    2012-01-01

    Full Text Available In Alzheimer's disease, lipid alterations point towards peroxisomal dysfunctions. Indeed, a cortical accumulation of saturated very long chain fatty acids (VLCFAs: C22:0, C24:0, C26:0, substrates for peroxisomal β-oxidation, has been found in Alzheimer patients. This study was realized to investigate the effects of VLCFAs at the mitochondrial level since mitochondrial dysfunctions play crucial roles in neurodegeneration. On human neuronal SK-NB-E cells treated with C22:0, C24:0, or C26:0 (0.1–20 μM; 48 h, an inhibition of cell growth and mitochondrial dysfunctions were observed by cell counting with trypan blue, MTT assay, and measurement of mitochondrial transmembrane potential (Δψm with DiOC6(3. A stimulation of oxidative stress was observed with DHE and MitoSOX used to quantify superoxide anion production on whole cells and at the mitochondrial level, respectively. With C24:0 and C26:0, by Western blotting, lower levels of mitochondrial complexes III and IV were detected. After staining with MitoTracker and by transmission electron microscopy used to study mitochondrial topography, mass and morphology, major changes were detected in VLCFAs treated-cells: modification of the cytoplasmic distribution of mitochondria, presence of large mitochondria, enhancement of the mitochondrial mass. Thus, VLCFAs can be potential risk factors contributing to neurodegeneration by inducing neuronal damages via mitochondrial dysfunctions.

  5. Ultra-trace determination of (90)Sr, (137)Cs, (238)Pu, (239)Pu, and (240)Pu by triple quadruple collision/reaction cell-ICP-MS/MS: Establishing a baseline for global fallout in Qatar soil and sediments.

    Science.gov (United States)

    Amr, Mohamed A; Helal, Abdul-Fattah I; Al-Kinani, Athab T; Balakrishnan, Perumal

    2016-03-01

    The development of practical, fast, and reliable methods for the ultra-trace determination of anthropogenic radionuclides (90)Sr, (137)Cs, (238)Pu, (239)Pu, and (240)Pu by triple quadruple collision/reaction cell inductively coupled plasma mass spectrometry (CRC-ICP-MS/MS) were investigated in term of its accuracy and precision for producing reliable results. The radionuclides were extracted from 1 kg of the environmental soil samples by concentrated nitric and hydrochloric acids. The leachate solutions were measured directly by triple quadrupole CRC-ICP-MS/MS. For quality assurance, a chemical separation of the concerned radionuclides was conducted and then measured by single quadrupole-ICP-MS. The developed methods were next applied to measure the anthropogenic radionuclides (90)Sr, (137)Cs, (238)Pu, (239)Pu, and (240)Pu in soil samples collected throughout the State of Qatar. The average concentrations of (90)Sr, (137)Cs, (238)Pu, (239)Pu, and (240)Pu were 0.606 fg/g (3.364 Bq/kg), 0.619 fg/g (2.038 Bq/kg), 0.034 fg/g (0.0195 Bq/kg), 65.59 fg/g (0.150 Bq/kg), and 12.06 fg/g (0.103 Bq/kg), respectively.

  6. Simultaneous determination of radiocesium ((135)Cs, (137)Cs) and plutonium ((239)Pu, (240)Pu) isotopes in river suspended particles by ICP-MS/MS and SF-ICP-MS.

    Science.gov (United States)

    Cao, Liguo; Zheng, Jian; Tsukada, Hirofumi; Pan, Shaoming; Wang, Zhongtang; Tagami, Keiko; Uchida, Shigeo

    2016-10-01

    Due to radioisotope releases in the Fukushima Dai-ichi Nuclear Power Plant (FDNPP) accident, long-term monitoring of radiocesium ((135)Cs and (137)Cs) and Pu isotopes ((239)Pu and (240)Pu) in river suspended particles is necessary to study the transport and fate of these long-lived radioisotopes in the land-ocean system. However, it is expensive and technically difficult to collect samples of suspended particles from river and ocean. Thus, simultaneous determination of multi-radionuclides remains as a challenging topic. In this study, for the first time, we report an analytical method for simultaneous determination of radiocesium and Pu isotopes in suspended particles with small sample size (1-2g). Radiocesium and Pu were sequentially pre-concentrated using ammonium molybdophosphate and ferric hydroxide co-precipitation, respectively. After the two-stage ion-exchange chromatography separation from the matrix elements, radiocesium and Pu isotopes were finally determined by ICP-MS/MS and SF-ICP-MS, respectively. The interfering elements of U ((238)U(1)H(+) and (238)U(2)H(+) for (239)Pu and (240)Pu, respectively) and Ba ((135)Ba(+) and (137)Ba(+) for (135)Cs and (137)Cs, respectively) were sufficiently removed with the decontamination factors of 1-8×10(6) and 1×10(4), respectively, with the developed method. Soil reference materials were utilized for method validation, and the obtained (135)Cs/(137)Cs and (240)Pu/(239)Pu atom ratios, and (239+240)Pu activities showed a good agreement with the certified/information values. In addition, the developed method was applied to analyze radiocesium and Pu in the suspended particles of land water samples collected from Fukushima Prefecture after the FDNPP accident. The (135)Cs/(137)Cs atom ratios (0.329-0.391) and (137)Cs activities (23.4-152Bq/g) suggested radiocesium contamination of the suspended particles mainly originated from the accident-released radioactive contaminates, while similar Pu contamination of suspended

  7. Simultaneous determination of radiocesium ((135)Cs, (137)Cs) and plutonium ((239)Pu, (240)Pu) isotopes in river suspended particles by ICP-MS/MS and SF-ICP-MS.

    Science.gov (United States)

    Cao, Liguo; Zheng, Jian; Tsukada, Hirofumi; Pan, Shaoming; Wang, Zhongtang; Tagami, Keiko; Uchida, Shigeo

    2016-10-01

    Due to radioisotope releases in the Fukushima Dai-ichi Nuclear Power Plant (FDNPP) accident, long-term monitoring of radiocesium ((135)Cs and (137)Cs) and Pu isotopes ((239)Pu and (240)Pu) in river suspended particles is necessary to study the transport and fate of these long-lived radioisotopes in the land-ocean system. However, it is expensive and technically difficult to collect samples of suspended particles from river and ocean. Thus, simultaneous determination of multi-radionuclides remains as a challenging topic. In this study, for the first time, we report an analytical method for simultaneous determination of radiocesium and Pu isotopes in suspended particles with small sample size (1-2g). Radiocesium and Pu were sequentially pre-concentrated using ammonium molybdophosphate and ferric hydroxide co-precipitation, respectively. After the two-stage ion-exchange chromatography separation from the matrix elements, radiocesium and Pu isotopes were finally determined by ICP-MS/MS and SF-ICP-MS, respectively. The interfering elements of U ((238)U(1)H(+) and (238)U(2)H(+) for (239)Pu and (240)Pu, respectively) and Ba ((135)Ba(+) and (137)Ba(+) for (135)Cs and (137)Cs, respectively) were sufficiently removed with the decontamination factors of 1-8×10(6) and 1×10(4), respectively, with the developed method. Soil reference materials were utilized for method validation, and the obtained (135)Cs/(137)Cs and (240)Pu/(239)Pu atom ratios, and (239+240)Pu activities showed a good agreement with the certified/information values. In addition, the developed method was applied to analyze radiocesium and Pu in the suspended particles of land water samples collected from Fukushima Prefecture after the FDNPP accident. The (135)Cs/(137)Cs atom ratios (0.329-0.391) and (137)Cs activities (23.4-152Bq/g) suggested radiocesium contamination of the suspended particles mainly originated from the accident-released radioactive contaminates, while similar Pu contamination of suspended

  8. Acoustic neuroma (vestibular schwannoma: surgical results on 240 patients operated on dorsal decubitus position Neurinoma do acústico (schwannoma do vestibular: resultados do tratamento cirúrgico de 240 pacientes operados na posição de decúbito dorsal

    Directory of Open Access Journals (Sweden)

    Arquimedes Cavalcante Cardoso

    2007-09-01

    Full Text Available OBJECTIVE: To evaluate the result of the surgical treatment of vestibular schwannoma (VS operated in dorsal decubitus (mastoid position. METHOD: 240 patients with a VS underwent a retrosigmoid craniotomy for tumor resection in dorsal decubitus (mastoid position. The function of 7th and 8th cranial nerves was monitored during surgery and the opened internal auditory canal (IAC was reconstructed using a vascularized dura flap, muscle and fibrin glue. RESULTS: Complete tumor removal was achieved in 99% of the cases, with a mortality of 1.6%. The facial nerve function was preserved in 85% of cases and hearing in 40% of the patients (with preoperative hearing with tumors of up 1.5 cm in diameter. The incidence of cerebrospinal fluid leak was 5.8% and meningitis 2.9%. Venous air embolism was registered in 3% of cases; it was not associated to mortality. CONCLUSION: Surgical removal of VS in dorsal position has several advantages; the morbidity and mortality are very low.OBJETIVO: Avaliar o resultado do tratamento cirúrgico de pacientes portadores de schwannoma do vestibular (SV operados em decúbito dorsal (posição de mastóide. MÉTODO: 240 pacientes foram submetidos a craniotomia retrosigmóide na posição de mastóide. A função do VII e VIII nervos cranianos foi monitorizada durante a cirurgia e a reconstrução da abertura do conduto auditivo interno foi realizada com retalho vascularizado de dura-mater, músculo e cola de fibrina. RESULTADOS: A exérese foi completa em 99% dos casos, com mortalidade de 1,6%. Houve preservação da função do nervo facial em 85% dos casos e da audição em 40% dos pacientes com audição prévia e tumores menores de 1,5 cm. A incidência de fístula liquórica foi 5,8% e meningite 2,9%. Embolia gasosa foi registrada em 3% dos casos, não associada à mortalidade. CONCLUSÃO: O tratamento cirúrgico dos SV utilizando-se a posição de mastóide tem várias vantagens, com baixa morbidade e mortalidade.

  9. Experimental Study on the Cyclic Deformation Behaviourof a Stainless Steel Pipe-weld Metal under Temperature of 240℃%不锈钢管道焊缝金属240℃循环变形行为的试验研究

    Institute of Scientific and Technical Information of China (English)

    赵永翔; 蔡力勋; 高庆; 谷芳毓

    2001-01-01

    基于增量步和成组法低周疲劳试验,研究了1Cr18Ni9Ti不锈钢管道焊缝金属在240℃下的循环变形行为。结果表明,材料为循环软化材料,具有轻微Non-masing行为特征。相同总应变范围的循环应力-应变(CSS)行为存在很大分散性,意味着任何外载,即使恒幅载荷也将导入一个随机应变载荷史,现有确定性方法可能导致偏于危险的设计分析,有必要引入概率方法表征材料的循环变形行为。基于验证的应力幅统计分布——正态分布,建议了概率Ramberg-Osgood CSS曲线的描述方法。文中试验结果分析验证了方法的有效性。%An experimental study on the cyclic deformation behaviour of a nuclear engineering material, 1Crl8Ni9Ti stainless steel pipe-weld metal, is performed on a basis of incremental step test and group test of low-cycle fatigue under temperature of 240℃. The results reveal that this material is a cyclic softening material and it exhibits a non-Masing behaviour. In addition, the cyclic stress-strain (CSS) responses under a same load show a significant scatter. This implies that a stochastic applied strain history should be introduced under any of loading modes even a deterministic loading history and the previous deterministic characterization to the CSS behaviour might give a non-conservative evaluation of design. Therefore, it is necessary to introduce a probabilistic description. Based on a statistical analysis result that the normal distribution can give an appropriate description to the cyclic stress amplitudes of present material, probability-based Ramberg-Osgood CSS curves are suggested to characterizing the stochastic CSS behaviour. Availability of this characterization has been verified by the analysis of present test data.

  10. Radio quite site qualification for the Brasilian Southern Space Observatory by monitoring the low frequency 10-240 MHz Eletromagnetic Spectrum

    Science.gov (United States)

    da Rosa, Guilherme Simon; Schuch, Nelson Jorge; Espindola Antunes, Cassio; Gomes, Natanael

    The monitoring of the level of the radio interference in the Site of the Brazilian Southern Space Observatory - SSO/CRS/CIE/INPE - MCT, (29S, 53W), São Martinho da Serra, RS, in south a of Brazil, aims to gather spectral data for the Observatory's Site qualification as a radio quite site for installation of Radio Astronomy instrumentation, free of radio noise. The determination of the radio interference level is being conducted by using a spectrum analyzer and Omni directional antennas remotely controlled through a GPIB interface, via IEEE 488 bus, and programs written in C language. That procedure allows the scanning of the Electromagnetic Spectrum power over the examined frequency range from 10 - 240MHz. The methodology for these tests was to amplify the radio signal from the antenna by a block amplifier. Subsequently, the received signals are evaluated by the spectrum analyzer. A dedicated PC computer is used for the control and data acquisition, with the developed software. The data are instantly stored in digital format and remotely transferred via VNC software from the SSO-Observatory Site to the Radio Frequency and Telecommunication Laboratory at the Southern Regional Space Research Center - CRS/CIE/INPE - MCT, in Santa Maria, RS, for analysis and storage on the radio interference data base for long period. It is compared the SSO's Electromagnetic Spectrum data obtained since the beginning of the 1990's decade, before the Site constructions, with the current observed data. Some radio transmissions were found in the observed frequency range due to some local FMs, mostly between 93.5 MHz to 105.7 MHz, which were observed in previous monitoring. A good evidence of the site quality is the fact that the power of the Electromagnetic Spectrum is much lower than that measured at the Radio Frequency and Telecommunication Laboratory, in Santa Maria, RS, where the signals do not exceed -60 dB. On the Site of the SSO, due to the low power observed, weak radio signals

  11. Process parameters and changes in the microbial community patterns during the first 240 days of an agricultural energy crop digester.

    Science.gov (United States)

    Weithmann, Nicolas; Weig, Alfons Rupert; Freitag, Ruth

    2016-12-01

    Commercial biogas production takes place by complex microbial communities enclosed in controlled "technical ecosystems". Once established, the communities tend to be resilient towards disturbances, although the relative abundance of their members may vary. The start-up phase, during which the community establishes itself, is therefore decisive for the later performance of the reactor. In this study, we followed the first 240 days of a standard agricultural energy crop digester consisting of a 400 m(3) plug flow fermenter and a 1000 m(3) agitated post digester, operated at 40-45 °C. The feed consisted of corn and later grass silage augmented by ground wheat. Changes in both the eubacterial and methanogenic archaeal communities were followed by automated ribosomal intergenic spacer analysis (ARISA). In addition the copy number of the methyl-coenzyme reductase A (mcrA)-genes found in all known methanogens were followed by quantitative PCR, while selected samples from two phases-one early, one late-of the community structure development were subjected to high throughput sequencing. Biogas volume and composition (CH4, CO2, H2, H2S, O2), pH, ammonia-N, and volatile fatty acids (VFA), were measured as part of the routine process control. VFA/TIC values were calculated on this basis. Whereas the total gas production of the plant established itself at about 2500 m(3) biogas per day within the first months, the composition of the microbial communities showed distinct spatial and temporal differences over the investigated time period. Absolute values for DNA isolation procedures are difficult to certify, hence comparative results on community structures obtained using standardized ARISA with identical primers are of value. Moreover, ARISA patterns can be statistically analyzed to identify distinct subgroups and transitions between them as well as serial correlations. Thereby the microbial community and its structural development can be correlated with statistical

  12. 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

  13. Complete genome analysis of Clostridium bornimense strain M2/40(T): A new acidogenic Clostridium species isolated from a mesophilic two-phase laboratory-scale biogas reactor.

    Science.gov (United States)

    Tomazetto, Geizecler; Hahnke, Sarah; Koeck, Daniela E; Wibberg, Daniel; Maus, Irena; Pühler, Alfred; Klocke, Michael; Schlüter, Andreas

    2016-08-20

    Taxonomic and functional profiling based on metagenome analyses frequently revealed that members of the class Clostridia dominate biogas reactor communities and perform different essential metabolic pathways in the biogas fermentation process. Clostridium bornimense strain M2/40(T) was recently isolated from a mesophilic two-phase lab-scale biogas reactor continuously fed with maize silage and wheat straw. The genome of the strain was completely sequenced and manually annotated to reconstruct its metabolic potential regarding carbohydrate active enzyme production and fermentation of organic compounds for consolidated biofuel production from biomass. The C. bornimense M2/40(T) genome consists of a chromosome (2,917,864bp in size) containing 2613 protein coding sequences, and a 699,161bp chromid (secondary replicon) harboring 680 coding sequences. Both replicons feature very similar GC-contents of approximately 29%. The complex genome comprises three prophage regions, two CRISPR-cas systems and a putative cellulosomal gene cluster that is located on the second replicon (chromid) of the strain. The overexpressed glycosyl hydrolases (GH) CelK (GH9) and CelA (GH48) encoded in the cellulosomal gene cluster were shown to be active on the substrates xylan and xyloglucan whereas XghA (GH74) is highly active on xyloglucan. Reconstruction of fermentation pathways from genome sequence data revealed that strain M2/40(T) encodes all enzymes for hydrogen, acetate, formate, lactate, butyrate, and ethanol production, leading to the classification of the isolate as acidogenic bacterium. Phylogenetic analyses uncovered that the closest characterized relative of C. bornimense is C. cellulovorans. Comparative analyses of the C. bornimense and C. cellulovorans genomes revealed considerable rearrangements within their chromosomes suggesting that both species evolved separately for a relatively long period of time and adapted to specific tasks within microbial consortia responsible for

  14. Seasonal and spatial variability of {sup 210}Po, {sup 238}U and {sup 239+240}Pu levels in the river catchment area assessed by application of neural-network based classification

    Energy Technology Data Exchange (ETDEWEB)

    Skwarzec, Bogdan [University of Gdansk, Faculty of Chemistry, Chair of Analytical Chemistry, 18/19 Sobieskiego Street, 80-952 Gdansk (Poland)], E-mail: bosk@chem.univ.gda.pl; Kabat, Krzysztof [University of Gdansk, Faculty of Chemistry, Chair of Analytical Chemistry, 18/19 Sobieskiego Street, 80-952 Gdansk (Poland); Astel, Aleksander [Pomeranian Academy, Biology and Environmental Protection Institute, Environmental Chemistry Research Unit, 22a Arciszewskiego Street, 76-200 Slupsk (Poland)

    2009-02-15

    The present study deals with the application of self-organizing maps (SOM) in order to model, classify and interpret seasonal and spatial variability of {sup 210}Po, {sup 238}U and {sup 239+240}Pu levels in the Vistula river basin. The data set represents concentration values for 3 alpha emitters ({sup 210}Po, {sup 238}U and {sup 239+240}Pu) measured in surface water samples collected at 19 different sampling locations (8 in major Vistula stream while 11 in right or left Vistula tributaries) during four seasons (winter, spring, summer and autumn) in the framework of a one-year quality monitoring study. The advantages of an SOM algorithm, its classification and visualization ability for environmental data sets, are stressed. The neural-network based classification made it possible to reveal specific patterns related to both seasonal and spatial variability. In the middle and upper part of Vistula catchment as well as in the right-shore tributaries, concentrations of {sup 210}Po and {sup 238}U during summer and winter are the lowest. Concentrations of {sup 210}Po and {sup 238}U increase significantly during spring and autumn in the Vistula river catchment, especially in the delta of Vistula river. High concentration of anthropogenic originated {sup 239+240}Pu indicates 'site-specific' character of pollution in two large left-shore tributaries located in the middle part of the Vistula drainage area. Efficient classification of sampling locations could lead to an optimization of river radiochemical sampling networks and to a better tracing of natural and anthropogenic changes along Vistula river stream.

  15. Strong founder effect of p.P240L in CDH23 in Koreans and its significant contribution to severe-to-profound nonsyndromic hearing loss in a Korean pediatric population

    OpenAIRE

    Kim, So Young; Kim, Ah Reum; Nayoung K.D. Kim; Kim, Min Young; Jeon, Eun-Hee; Kim, Bong Jik; Han, Young Eun; Chang, Mun Young; Park, Woong-Yang; Choi, Byung Yoon

    2015-01-01

    Background Despite the prevalence of CDH23 mutations in East Asians, its large size hinders investigation. The pathologic mutation p.P240L in CDH23 is common in East Asians. However, whether this mutation represents a common founder or a mutational hot spot is unclear. The prevalence of CDH23 mutations with prelingual severe-to-profound sporadic or autosomal recessive sensorineural hearing loss (arSNHL) is unknown in Koreans. Methods From September 2010 to October 2014, children with severe-t...

  16. Plans and schedules for implementation of US Nuclear Regulatory Commission responsibilities under the Low-Level Radioactive Waste Policy Amendments Act of 1985 (P.L. 99-240)

    International Nuclear Information System (INIS)

    The purpose of this document is to make available to the states and other interested parties, the plans and schedules for the US Nuclear Regulatory Commission's (NRC's) implementation of its responsibilities under Public Law 99-240, the Low-Level Radioactive Waste Policy Amendments Act of 1985 (LLRWPAA). This document identifies the provisions of the LLRWPAA which affect the programs of the NRC, identifies what the NRC must do to fulfill each of its requirements under the LLRWPAA, and establishes schedules for carrying out these requirements. The plans and schedules are current as of June 1986

  17. 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...

  18. Distribution of C16:0, C18:0, C24:1, and C24:0 sulfatides in central nervous system lipid rafts by quantitative ultra-high-pressure liquid chromatography tandem mass spectrometry.

    Science.gov (United States)

    Moyano, Ana Lis; Li, Guannan; Lopez-Rosas, Aurora; Månsson, Jan-Eric; van Breemen, Richard B; Givogri, Maria Irene

    2014-12-15

    Sulfated galactosylceramides (sulfatides) are glycosphingolipids associated with cholesterol- and sphingolipid-enriched membrane microdomains (lipid rafts) and are highly expressed in brain tissue. Although it is known that sulfatide species show heterogeneity in their fatty acid acyl group composition throughout brain development, their lipid raft distribution and biological relevance is poorly understood. We validated a fast and sensitive ultra-high-pressure liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method to measure developmentally regulated sulfatide species (C16:0, C18:0, C24:1, and C24:0) in central nervous system (CNS) lipid rafts isolated without using detergent. Our UHPLC-MS/MS assay showed good accuracy and precision with a linear range of 5 to 1,000 nM for C18:0 and C24:1 sulfatides and 10 to 1,000 nM for C16:0 and C24:0 sulfatides. We applied this quantitative analysis to detergent-free lipid rafts isolated from wild-type mice and arylsulfatase A-deficient (ASA knockout) mice that accumulate sulfatides. All four sulfatide species were more abundant in raft membranes than in non-raft membranes, with a significant increase in lipid rafts isolated from ASA knockout mice. This is the first description of an analytical method to study these sulfatide species in raft and non-raft membranes and has the potential to be applied to preparations from other tissues.

  19. Lymphatic vessel invasion detected by the endothelial lymphatic marker D2-40 (podoplanin is predictive of regional lymph node status and an independent prognostic factor in patients with resected esophageal cancer

    Directory of Open Access Journals (Sweden)

    Jerzy Laudański

    2011-04-01

    Full Text Available The discovery of markers to lymphatic endothelial cells and the development of novel antibodies to these markers have brought increasing attention to the lymphatics and progress in the understanding of lymphangiogenesis and cancer metastasis. In this study, we investigate the presence of lymphatic vessel invasion (LVI detected by D2-40 immunohistochemical staining in resected esophageal cancer and correlated with clinicopathologic data and patient survival. Sixty nine patients, who had a primary resection of esophageal cancer, were analyzed by univariate and multivariate logistic regression, and univariate and multivariate survival analysis. The total rate of LVI was 72% (50/69. Positive LVI was significantly correlated with lymph node metastasis (p < 0.001, tumor size (p < 0.001, histological grading (p = 0.017, tumor depth (p = 0.001, and stage (p < 0.001. Multivariate logistic analysis identified LVI (p = 0.036 as a predictor of regional lymph node metastasis. On univariate survival analysis, patients with LVI had a significantly shorter disease-free survival, cancer-specific survival and overall survival. Multivariate analysis proved that LVI diagnosed by D2-40 is an independent prognostic factor of both disease-free survival (p = 0.04 and overall survival (p = 0.032 in resected esophageal cancer. These results show that LVI assessment identifies patients at high risk for regional lymph node metastasis and that LVI is an independent prognostic factor in patients with esophageal cancer. (Folia Histochemica et Cytobiologica 2011; Vol. 49, No. 1, pp. 90–97

  20. Seasonal variations in activity concentrations of 137Cs, 40K, 7Be, 228Ac, 99Tc, 90Sr, and 239/240Pu in Fucus vesiculosus and Ascophyllum nodosum from the South-Eastern coast of Norway

    International Nuclear Information System (INIS)

    Brown algae have been proven to be useful indicator organisms for heavy metals and radionuclides in the marine environments due to their ability to concentrate elements from the ambient water. There is quite a lot of data available on 137Cs in brown algae, especially for Fucus Vesiculosus. Fucus Vesiculosus is also commonly used to monitor the impact of the releases of 99Tc from the reprocessing plant in Sellafield. There is however a lack of data for other long-lived anthropogenic nuclides as 90Sr and Pu, and for natural occurring radionuclides. There is also a need for more knowledge about the mechanisms for uptake and accumulation of the different elements, and about different factors influencing the uptake. In this study activity concentrations of 137Cs, 40K, 7Be, 228Ac, 99Tc, 90Sr and 239/240Pu are measured in whole plants of Fucus vesiculosus and Ascophyllum nodosum collected over a period of one year from the south-eastern coast of Norway. Significant differences between the two species have been found. For 137Cs, 40K, 7Be, 228Ra and 239/240Pu, the activity concentrations were significantly higher in Fucus vesiculosus than in Ascophyllum nodosum, whereas for 99Tc the activity concentrations were higher in Ascophyllum nodosum than in Fucus vesiculosus. There were great seasonal variations in the concentrations of the measured radionuclides. For 99Tc there was also a difference in the temporal pattern for the two species. Possible uptake mechanisms will be discussed based on the results and on the known physiological differences between the two species. (author)

  1. Spatial distribution of {sup 241}Am, {sup 137}Cs, {sup 238}Pu, {sup 239,240}Pu and {sup 241}Pu over 17 year periods in the Ravenglass saltmarsh, Cumbria, UK

    Energy Technology Data Exchange (ETDEWEB)

    Oh, J.-S. [GAU-Radioanalytical, School of Ocean and Earth Science, National Oceanography Centre, Southampton SO14 3ZH (United Kingdom)], E-mail: jsoh@noc.soton.ac.uk; Warwick, P.E. [GAU-Radioanalytical, School of Ocean and Earth Science, National Oceanography Centre, Southampton SO14 3ZH (United Kingdom)], E-mail: pew@noc.soton.ac.uk; Croudace, I.W. [GAU-Radioanalytical, School of Ocean and Earth Science, National Oceanography Centre, Southampton SO14 3ZH (United Kingdom)], E-mail: iwc@noc.soton.ac.uk

    2009-07-15

    Ninety five surface scrape samples were collected at the Ravenglass saltmarsh and analysed for radionuclides by alpha spectrometry ({sup 238}Pu and {sup 239,240}Pu), gamma spectrometry ({sup 241}Am and {sup 137}Cs) and liquid scintillation counting ({sup 241}Pu). Both {sup 241}Am and {sup 137}Cs activities are compared with those reported by Horrill [1983. Concentrations and spatial distribution of radioactivity in an ungrazed saltmarsh. In: Coughtrey, P.J. (Ed.), Ecological Aspects of Radionuclide Release. British Ecological Society Special Publication No. 3. Blackwell, Oxford, pp. 119-215.] Significant decreases in activities for both radionuclides were observed which is caused by the declining levels of discharges from the Sellafield nuclear reprocessing plant since the 1980s. It has been concluded that the spatial distribution of these radionuclides are controlled by the tidal currents and the clay contents in the sediments. There is evidence of surface erosion of the saltmarsh and redistribution of radionuclides in the saltmarsh using isotopic ratios of measured Pu.

  2. Measurement of the (pressure, density, temperature) relation of two (methane + nitrogen) gas mixtures at temperatures between 240 and 400 K and pressures up to 20 MPa using an accurate single-sinker densimeter

    Energy Technology Data Exchange (ETDEWEB)

    Chamorro, C.R. [Grupo de Termodinamica y Calibracion (TERMOCAL), Dpto. Ingenieria Energetica y Fluidomecanica, E.T.S. de Ingenieros Industriales, Universidad de Valladolid, E-47071 Valladolid (Spain)]. E-mail: cescha@eis.uva.es; Segovia, J.J. [Grupo de Termodinamica y Calibracion (TERMOCAL), Dpto. Ingenieria Energetica y Fluidomecanica, E.T.S. de Ingenieros Industriales, Universidad de Valladolid, E-47071 Valladolid (Spain); Martin, M.C. [Grupo de Termodinamica y Calibracion (TERMOCAL), Dpto. Ingenieria Energetica y Fluidomecanica, E.T.S. de Ingenieros Industriales, Universidad de Valladolid, E-47071 Valladolid (Spain); Villamanan, M.A. [Grupo de Termodinamica y Calibracion (TERMOCAL), Dpto. Ingenieria Energetica y Fluidomecanica, E.T.S. de Ingenieros Industriales, Universidad de Valladolid, E-47071 Valladolid (Spain); Estela-Uribe, J.F. [Facultad de Ingenieria, Universidad Javeriana-Cali, Calle 18, 118-250 Cali (Colombia); Trusler, J.P.M. [Department of Chemical Engineering, Imperial College London, London SW7 2AZ (United Kingdom)

    2006-07-15

    Comprehensive (p, {rho}, T) measurements on two gas mixtures of (0.9CH{sub 4} + 0.1N{sub 2}) and (0.8CH{sub 4} + 0.2N{sub 2}) have been carried out at six temperatures between 240 and 400 K and at pressures up to 20 MPa. A total of 108 (p, {rho}, T) data for the first mixture and 134 for the second one are given. These measurements were performed using a compact single-sinker densimeter based on Archimedes' buoyancy principle. The overall uncertainty in density {rho} is estimated to be (1.5 . 10{sup -4} . {rho} + 2 . 10{sup -3} kg . m{sup -3}) (coverage factor k = 2), the uncertainty in temperature T is estimated to be 0.006 K (coverage factor k = 2), and the uncertainty in pressure p is estimated to be 1 . 10{sup -4}.p (coverage factor k = 2). The equipment has been previously checked with pure nitrogen over the whole temperature and pressure working ranges and experimental results (35 values) are given and a comparison with the reference equation of state for nitrogen is presented.

  3. Summary of expenditures of rebates from the low-level radioactive waste surcharge escrow account for calendar year 1989: Report to Congress in response to Public Law 99-240

    International Nuclear Information System (INIS)

    This response is submitted in response to the Low-Level Radioactive Waste Policy Amendments Act of 1985 (the Act), Public Law 99-240. The report summarizes expenditures made during the calendar year 1989 of surcharge rebates from the July 1, 1986, milestones. Title I of the Act requires the Department of Energy (DOE) to administer a Surcharge Escrow Account. This account consists of a portion of the surcharge fees paid by generators of low-level radioactive waste in nonsited compacts (regional compacts currently without operating disposal sites) and nonmember States (States without disposal sites that are not members of compacts) to the three States with operating disposal facilities (Nevada, South Carolina, and Washington) (sited States) for using their disposal facilities. In administering the Surcharge Escrow Account, the Act requires DOE to: invest the funds in interest-bearing United States Government securities; determine eligibility of rebates of the funds by evaluating State and compact progress toward developing new disposal sites against milestones set forth in the Act; disburse the collected rebates and interest; assess compliance of rebate expenditures with the limitations prescribed in the Act; and submit a report annually to Congress summarizing rebate expenditures by States and regions. 5 tabs

  4. Accumulation of polonium 210Po, uranium (234U and 238U and plutonium (238Pu and 239+240Pu in tissues and organs of deer Carvidae from northern Poland

    Directory of Open Access Journals (Sweden)

    Strumińska-Parulska D. I.

    2013-04-01

    Full Text Available Livers, kidneys and muscles of large herbivorous animals: roe deer (Capreolus capreolus, red deer (Cervus elaphus and fallow deer (Dama dama, collected in northern Poland, were the subject of the investigation. Polonium, uranium and plutonium activities were measured using alpha spectrometry along with relevant radiochemical procedures. The average concentrations of 210Po ranged between 0.02±0.01 Bq kg−1 ww in muscles and 7.15±0.12 Bq kg−1 ww in kidneys. The concentration of 238U ranged widely between 2.49±0.18 and 69.37±5.45 mBq kg−1 ww. The average concentrations of 239+240Pu ranged between 0.18±0.04 mBq kg−1 ww in muscle and 2.77±0.60 mBq kg−1 ww in kidneys. Statistical analysis showed that the sampling location, sex, age and species did not influence on the radioisotope activities in the analyzed samples.

  5. McNamara cephalometric analysis of the 240 Changchun children with normal occlusion%长春地区正常(牙合)儿童X线头影测量McNamara分析

    Institute of Scientific and Technical Information of China (English)

    陈远萍; 冯小东; 周德春; 李霞

    2004-01-01

    目的建立长春地区正常(牙合)儿童X线头影测量McNamara分析法的正常值.方法选取长春地区7~12岁正常(牙合)儿童240名.拍摄X线头颅定位侧位片,进行McNamara分析,并与上海、成都地区的正常值进行比较.结果得出长春地区正常(牙合)儿童X线头影测量McNamara分析法的正常值,各年龄段性别间几乎没有差异.与上海、成都地区正常值相比,在部分项目上存在差异.结论正常(牙合)儿童X线头影测量McNamara分析法的正常值存在地区差异.

  6. 15 CFR 240.5 - Required marking.

    Science.gov (United States)

    2010-01-01

    ... name of the brand, if any, under which it sold, and, if imported, the name of the country from which it... lime and where manufactured, and, if imported, the name of the country from which it is imported, shall... manufacturer of the lime and the name of the brand, if any, under which it is sold, and, if imported, the...

  7. 15 CFR 904.240 - Discovery generally.

    Science.gov (United States)

    2010-01-01

    ... relevant to the allegations of the charging document, to the proposed relief, or to the defenses of any... the materials by other means. Mental impressions, conclusions, opinions, or legal theories of...

  8. 40 CFR 240.101 - Definitions.

    Science.gov (United States)

    2010-07-01

    .... (p) Infectious waste means: (1) Equipment, instruments, utensils, and fomites of a disposable nature... obtained from patients or laboratory animals) and disposable fomites (any substance that may harbor or... disposable fomites attendant thereto and similar disposable materials from outpatient areas and...

  9. 15 CFR 240.4 - Definitions.

    Science.gov (United States)

    2010-01-01

    ... container not in barrel form containing therein a net weight of lime of less than 180 pounds. (b) The term.... (c) The term tag is defined as a tough and strong strip of cloth or paper or the like, bearing...

  10. 49 CFR 240.7 - Definitions.

    Science.gov (United States)

    2010-10-01

    ... to time (21 CFR parts 1301-1316). Current Employee is any employee with at least one year of... in connection with alcohol or substance abuse evaluation or counseling. As used in this rule, the EAP... governmental agency or a court of law, or (3) Any other legally binding directive. Knowingly means...

  11. Desarrollo del Robot Paralelo Parallix LKF-240

    Directory of Open Access Journals (Sweden)

    Eduardo Castillo Castañeda

    2013-09-01

    Full Text Available En este trabajo se presenta al robot paralelo PARALLIX LKF-2040 desarrollado en la Instituto Politécnico Nacional y actualmente comercializado en Instituciones de Educación Superior para fortalecer la enseñanza de la mecatrónica. Este mecanismo posee una plataforma fija y otra móvil. Los actuadores están montados en la plataforma fija, reduciendo el cableado y manteniéndolo fuera del espacio de trabajo. La plataforma móvil es el elemento efector y puede ser posicionada en un amplio espacio de trabajo. La estructura del manipulador es ligera, simplificando la dinámica y minimizando el peso a desplazar. Lo anterior, permite utilizar el par generado por los motores sólo para el desplazamiento de la carga. El robot PARALLIX LKF-2040 tiene sus orígenes en la configuración del robot tipo Delta pero tiene articulaciones rotacionales en lugar de esféricas, proporcionando un espacio de trabajo más amplio. Primeramente, se presenta el concepto de robot paralelo y sus ventajas respecto a los robots convencionales tipo serial. Se muestra la estructura geométrica de un robot paralelo tipo 3RSS y se encuentra la solución de su cinemática inversa. También, se presentan los resultados obtenidos del análisis del espacio de trabajo y el diseño de una arquitectura de control de tres ejes para servomotores con encoder incremental en cuadratura. Además, se proponen técnicas novedosas basadas en análisis de imágenes para determinar la precisión y la repetibilidad del robot, así como la rigidez bajo diferentes condiciones de carga.

  12. 8 CFR 240.60 - Definitions.

    Science.gov (United States)

    2010-01-01

    ... the principal or derivative asylum application. IIRIRA means the Illegal Immigration Reform and... and Nationality DEPARTMENT OF HOMELAND SECURITY IMMIGRATION REGULATIONS PROCEEDINGS TO DETERMINE... Immigration Court. Filed an application for asylum means the proper filing of a principal asylum...

  13. Desarrollo del Robot Paralelo Parallix LKF-240

    OpenAIRE

    Eduardo Castillo Castañeda; Angel O Vázquez Rodríguez; Abraham González Hernández

    2013-01-01

    En este trabajo se presenta al robot paralelo PARALLIX LKF-2040 desarrollado en la Instituto Politécnico Nacional y actualmente comercializado en Instituciones de Educación Superior para fortalecer la enseñanza de la mecatrónica. Este mecanismo posee una plataforma fija y otra móvil. Los actuadores están montados en la plataforma fija, reduciendo el cableado y manteniéndolo fuera del espacio de trabajo. La plataforma móvil es el elemento efector y puede ser posicionada en un amplio espacio de...

  14. 46 CFR 184.240 - Gas systems.

    Science.gov (United States)

    2010-10-01

    ... requirements: (a) The design, installation and testing of each LPG system must meet ABYC A-1, “Marine Liquefied... design, installation and testing of each CNG system must meet ABYC A-22, “Marine Compressed Natural Gas... specified in paragraph 6-5.1 of NFPA 302. (f) If the fuel supply line of an LPG or CNG system enters...

  15. 33 CFR 240.6 - General policy.

    Science.gov (United States)

    2010-07-01

    ..., 1986; a congressionally authorized study is underway; or where the feasibility report has been..., drainage, or to protect against land erosion, and which, in conjunction with the project, do not produce... preauthorization studies but prior to project authorization. No credit is available under section 104 for...

  16. QTL Information Table: 240 [Q-TARO

    Lifescience Database Archive (English)

    Full Text Available qGB Physiological trait Eating quality grain breadth Mixture d)Co-segregated F2 Bas...sis to detect main effect QTL associated with grain quality parameters in Basmati 370/ASD 16 cross in rice O

  17. Impact of post-brentuximab vedotin consolidation on relapsed/refractory CD30+ Hodgkin lymphomas: a large retrospective study on 240 patients enrolled in the French Named-Patient Program.

    Science.gov (United States)

    Perrot, Aurore; Monjanel, Hélène; Bouabdallah, Réda; Quittet, Philippe; Sarkozy, Clémentine; Bernard, Marc; Stamatoullas, Aspasia; Borel, Cécile; Bouabdallah, Krimo; Nicolas-Virelizier, Emmanuelle; Fournier, Marion; Morschhauser, Franck; Brice, Pauline

    2016-04-01

    Brentuximab vedotin was reported to be effective and safe against refractory/relapsed Hodgkin lymphoma in cohorts of between 12 to 102 patients. Herein we report our retrospective analysis of the French experience with brentuximab vedotin used alone to treat 240 refractory/relapsed Hodgkin lymphoma patients enrolled in a named patient program between 2011 and 2013. All patients had histologically documented CD30+ Hodgkin lymphoma; 74% had refractory disease or early relapses. After a median of 3 lines of chemotherapy, brentuximab vedotin was infused intravenously (1.8 mg/kg every 3 weeks). The primary endpoint was best response. Response at the end of treatment, its duration, survival data and toxicity profile were secondary endpoints. Patients received a median of 6 cycles; 68 underwent a consolidation thereafter. The best response was observed after a median of 4 cycles in 145 (60.4%) patients: 33.8% complete response/unconfirmed complete response, 26.7% partial response. Objective responses were observed as decreased (39.3%) in the 28 patients >60 years. The median response duration was 8.4 months. With median follow-up at 16.1 months, median progression-free survival was 6.8 months and this was significantly longer for patients transplanted after brentuximab vedotin (a median of 18,8 months); median overall survival was not reached. No death has been linked to brentuximab vedotin toxicity. The most common adverse events were peripheral sensory neuropathy (29.3%) and hematological toxicity. The results of this analysis support the previously reported brentuximab vedotin efficacy with manageable toxicity. Because of the short-term responses in most patients, a high-dose therapy with stem cell transplantation for responders should be considered as quickly as possible. PMID:26768687

  18. Effects of Dietary Carbohydrate/Protein Levels on Intramuscular Fat Concentration and Gastrointestinal Tract Weight, Length and Digestive Enzyme Activity in Different Breeds of 240-day-old Pigs%日粮碳水化合物/蛋白质水平对240日龄不同品种猪肌内脂肪含量和胃肠道重量、长度及消化酶活性的影响

    Institute of Scientific and Technical Information of China (English)

    刘宏伟; 王康宁

    2009-01-01

    本试验旨在研究日粮碳水化合物/蛋白质水平对240日龄不同品种猪肌内脂肪(IMF)含量和胃肠道重量、长度及消化酶活性的影响,并探讨IMF含量与胃肠道重量、长度及消化酶活性的关系.试验采用2×2因子试验没计,即杜洛克×长白×大约克三元杂交猪(DLY)和太湖猪2个品种,每个品种分别饲喂高碳水化合物/低蛋白(HC/LP)和低碳水化合物/高蛋白(LC/HP)2种日粮.选用150日龄的DLY猪和太湖猪各12头,按体重相近、性别一致的原则共分为4个试验组,每个试验组6个重复,每个重复1头猪.饲养90 d后屠宰取样.结果表明:与LC/HP日粮相比,HC/LP日粮极显著提高了DLY猪的IMF含量(IMF为5.83%)(P0.05),但2种日粮对2品种猪眼肌面积和背膘厚没有显著影响(P>0.05);HC/LP日粮显著(P0.05),其中对太湖猪的胃蛋白酶和胰脂肪酶活性的影响达到极显著水平(P0.05), but the effects of the two diets on loin eye area and back fat thickness in two breeds were not signifi-cant (P>0.05); compared with LC/HP diet, HC/LP diet had lower pancreas weight and pancreas index in two breeds of pigs (P0.05), moreover, the effects of HC/LP diet on Taihu pigs pepsin and pancreatic lipase activity were significant (P<0.01); the pancreatic lipase activity of Taihu pigs was higher than that of DLY pigs (P<0.01), and pancreatic amylase activity of DLY pigs were higher than that of Taihu pigs in HC/LP diet (P<0.05).Therefore, The IMF concentration of 240-day-old DLY pigs was elevated greatly by LC/HP diet, but the effect of it on loin eye area and back fat thickness in two breeds was little, and the weight of pan-creas in DLY pigs and pepsin and pancreatic lipase activity in Taihu pigs were lowed greatly by HC/LP diet.The effect of HC/LP diet on stomach, liver and small intestinal weight or length was little.

  19. Use of trioctylphosphine oxide for transplutonium element extraction and purification

    International Nuclear Information System (INIS)

    Investigated was extraction of tri-valent curium, berkelium, californium, einsteinium as well as cerium and europium with trioctylphosphin oxide from lactic acid solutions, containing DTPA and aluminium nitrate depending on the aluminium nitrate and TOPO concentrations and nitric acid solutions of variable concentration as well. Under optimum conditions of extraction chromatography of berkelium studied was the distribution of cobalt, nickel, chromium, iron, aluminium, titanium, zirconium and niobium ions, and the coefficients of berkelium purification from cations investigated were determined. The effect of weight quantities of cation impurities on extraction chromatographic yield of berkelium has been investigated. Examples of practice application of the extraction chromatography with the use of TOPO are given

  20. Reliability and validity of the Chinese version of the temperament and character inventory-revised (TCI-R) 240%气质性格量表中文版信效度研究

    Institute of Scientific and Technical Information of China (English)

    蔡启霞; 刘浩; 邵云; 夏静; 韩继阳; 何强; 战玉华; 刘果; Immanuel Decker

    2014-01-01

    Objective To evaluate the reliability and validity of the 240-item Chinese version of the Temperament and Character Inventory-Revised (TCI-R) in a chinese community sample.Methods A representative Chinese sample of 1220 adults filled out the Chinese version of TCI-R,Self-rating Depression Scale (SDS) and Self-rating Anxiety (SAS).A test-retest study of the TCI was conducted across one and a half months interval with 84 subjects.Internal consistency was calculated by Cronbach's α.Factor analyses for the temperament and character dimensions were performed using principal component analysis,rotating factors obliquely by Promax,test-retest reliability and the inter correlations between the four temperament dimensions and three character dimensions was analyzed by Pearson correlation analysis.Results The Cronbach's α for the seven TCI-R scales ranged from 0.677 to 0.860.The cumulative variances for temperament and character were 59.535% and 54.415%.SAS and SDS were positively correlated with harm avoidance(r=0.549,r=0.521,P<0.01)) and negatively with persistence (r=-0.285,P<0.01),self-directedness(r=-0.460,P<0.01) and cooperativeness (r=-0.416,P<0.01).An EFA suggested a four-factor structure for temperament domains and a three-factor structure for character domains.Conclusion Factor analysis result shows that the TCI-R scales are consistent with the 7-factor.The factor structure of the Chinese TCI-R is similar to the original factor structure.The results of this study confirm the theory of temperament and character as a seven-factor model of personality.%目的 评估气质性格量表(TCI-R)中文版在社区样本中的信效度.方法 采用方便抽样方法抽取1 220名成人完成气质性格量表(TCI-R)中文版、抑郁自评量表(SDS)和焦虑自评量表(SAS).一个半月后进行重测.信度采取内部一致性信度及重测信度来测量,对TCI-R的因子结构进行探索性因素分析,采用主成分分析最优斜交转轴法(Promax

  1. Simultaneous measurement of {sup 239}Pu, {sup 240}Pu, {sup 241}Pu, and {sup 242}Pu by high resolution inductively coupled plasma mass spectrometer (HR ICP-MS) in marine sediments; Mesure des isotopes du plutonium des sediments marins par spectrometrie de masse a plasma couple inductivement haute resolution (HR ICP-MS)

    Energy Technology Data Exchange (ETDEWEB)

    Bruneau, F

    1999-07-01

    Transuranics elements are of particular interest in radioecological studies because of their radiotoxicity and their potential use to decipher source fingerprints and transport processes. The simultaneous measurement of {sup 239}Pu, {sup 240}Pu, {sup 241}Pu, and {sup 242}Pu in environmental samples requires a specific chemical procedure. This work deals with an analytical procedure which yields a very high grade of purification of Pu suitable for ultra low level detection by HR ICP-MS, from marine sediments. After the elimination of major elements (Fe, Al, Mg...) by a first chromatographic separation, a new device of purification by solvent extraction and concentration by a second chromatographic separation is used to obtain a concentrated and high purified solution of plutonium. The chemical procedure have been validated on IAEA certified sediment samples and on sediment samples collected in the roads of Cherbourg which had been previously analysed by other techniques (a spectrometry and thermo-ionisation mass spectrometer). (author)

  2. Seasonal variations in activity concentrations of {sup 137}Cs, {sup 40}K, {sup 7}Be, {sup 228}Ac, {sup 99}Tc, {sup 90}Sr, and {sup 239/240}Pu in Fucus vesiculosus and Ascophyllum nodosum from the South-Eastern coast of Norway

    Energy Technology Data Exchange (ETDEWEB)

    Raaum, A.; Christensen, G.C. [Institute for Energy Technology, Health and Safety Dept., Kjeller (Norway)

    2004-07-01

    Brown algae have been proven to be useful indicator organisms for heavy metals and radionuclides in the marine environments due to their ability to concentrate elements from the ambient water. There is quite a lot of data available on {sup 137}Cs in brown algae, especially for Fucus Vesiculosus. Fucus Vesiculosus is also commonly used to monitor the impact of the releases of {sup 99}Tc from the reprocessing plant in Sellafield. There is however a lack of data for other long-lived anthropogenic nuclides as {sup 90}Sr and Pu, and for natural occurring radionuclides. There is also a need for more knowledge about the mechanisms for uptake and accumulation of the different elements, and about different factors influencing the uptake. In this study activity concentrations of {sup 137}Cs, {sup 40}K, {sup 7}Be, {sup 228}Ac, {sup 99}Tc, {sup 90}Sr and {sup 239/240}Pu are measured in whole plants of Fucus vesiculosus and Ascophyllum nodosum collected over a period of one year from the south-eastern coast of Norway. Significant differences between the two species have been found. For {sup 137}Cs, {sup 40}K, {sup 7}Be, {sup 228}Ra and {sup 239/240}Pu, the activity concentrations were significantly higher in Fucus vesiculosus than in Ascophyllum nodosum, whereas for {sup 99}Tc the activity concentrations were higher in Ascophyllum nodosum than in Fucus vesiculosus. There were great seasonal variations in the concentrations of the measured radionuclides. For {sup 99}Tc there was also a difference in the temporal pattern for the two species. Possible uptake mechanisms will be discussed based on the results and on the known physiological differences between the two species. (author)

  3. Determinación de los ácidos grasos de alto y muy alto peso molecular que componen el D003 (C24:0-C36:0 en tabletas recubiertas con dosis de 5 mg a través de un método rápido de metilación que emplea la cromatografía de gases

    OpenAIRE

    Méndez Antolín, Ernesto J.; Marrero Delange, David; González Canavaciolo, Víctor L.

    2008-01-01

    Fue validada una metodología rápida para determinar 5 mg de D003 (ingrediente activo que consiste en una mezcla de ácidos grasos de alto y muy alto peso molecular, desde el C24:0 hasta el C36:0 , con efectos antioxidantes, antiosteoporóticos, antiagragante plaquetario e hipocolesterolémico) en tabletas recubiertas empleando la Cromatografía de Gases (CG). Esta metodología aplicó primeramente una extracción de los ácidos grasos presentes en las tabletas usando cloroformo caliente, después invo...

  4. Dicty_cDB: AFF240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available e ZMMBBb0237K14 3', genomic survey sequence. 46 0.35 1 BZ402539 |BZ402539.1 OGAAN...0577H08f ZMMBBb (HindIII) Zea mays subsp. mays genomic clone ZMMBBb0577H08 5', genomic survey sequence. 46 0...enomic clone ZMMBBb0616I12 3', genomic survey sequence. 46 0.35 1 CG830936 |CG830936.1 ZMMBBc0253J11f ZMMBBc... (EcoRI) Zea mays subsp. mays genomic clone ZMMBBc0253J11 5', genomic survey sequence. 46 0.35 1 CL285740 |C...L285740.1 ZMMBBb0630P01f ZMMBBb (HindIII) Zea mays subsp. mays genomic clone ZMMBBb0630P01 5', genomic survey

  5. 16 CFR 240.10 - Availability to all competing customers.

    Science.gov (United States)

    2010-01-01

    ... advertising on radio, TV, or in newspapers of general circulation. Because the purchases of some of the... daily newspapers, which are the regular advertising media of the seller's large or chain store customers..., the seller in offering to pay allowances for newspaper advertising should offer to pay the...

  6. 16 CFR 240.9 - Proportionally equal terms.

    Science.gov (United States)

    2010-01-01

    ... 12 cents a case purchased for expenditures on either newspaper advertising or handbills. Example 1: A...; e.g., the offer of $1.00 per line for advertising in a newspaper that charges competing customers... allocating advertising funds if the seller offers small retailers that pay more than the lowest...

  7. 16 CFR 240.13 - Customer's and third party liability.

    Science.gov (United States)

    2010-01-01

    ... newspaper or other advertising medium that provides for a deferred rebate or other reduction in the price of... advertising plan. The newspaper should not send the retailer two bills, one at the national rate and another... actual net cost or the discount rate. Example 4: An advertising agent buys a large volume of...

  8. Dicty_cDB: VFD240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available ts: (bits) Value N BD092935 |BD092935.1 Methods and compositions for synthesis of... long chain polyunsaturated fatty acids in plants. 1316 0.0 1 BD082645 |BD082645.1 Methods and compositions ...for synthesis of long chain polyunsaturated fatty acids. 1316 0.0 1 BD082630 |BD082630.1 Methods and composition

  9. 38 CFR 21.240 - Medical treatment, care and services.

    Science.gov (United States)

    2010-07-01

    ... AFFAIRS (CONTINUED) VOCATIONAL REHABILITATION AND EDUCATION Vocational Rehabilitation and Employment Under... ambulation, and one-hand typewriting; (ii) Orientation, adjustment, mobility and related services;...

  10. Dicty_cDB: VSK240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available rlvsl*wy altttnyky*i*qrnefqlclvnyfvlffflynncnkidly*IYCHFIIKKK--- ---VIQSMGTPYQGTALAGTWASIGSAVGVGCSANDDLTVDGA...nyky*i*qrnefqlclvnyfvlffflynncnkidly*IYCHFIIKKK--- ---VIQSMGTPYQGTALAGTWASIGSAVGVGCSANDDLTVDGAALWLKSIPADKRAL...wffn*ll*fgfqcslrmak*wcc***aystrrwcifk*l*rlvsl*wyaltttn yky*i*qrnefqlclvnyfvlffflynncnkidly* Homology vs CSM-

  11. 20 CFR 627.240 - On-the-job training.

    Science.gov (United States)

    2010-04-01

    ... participant will learn, and any other separate classroom training that may be provided. (2) The agreement... compensated by the employer at the same rates, including periodic increases, as similarly situated employees... benefits and have the same working conditions as similarly situated employees. (f) Suitability...

  12. 49 CFR Appendix F to Part 240 - Medical Standards Guidelines

    Science.gov (United States)

    2010-10-01

    ... used as signals in the railroad industry. The acceptable test methods are shown in the left hand column...—second edition Any error on plates 1-6 (plates 1-4 are for demonstration—test plate 1 is actually plate 5 in book) Dvorine—Second edition 3 or more errors on plates 1-15 Ishihara (14 plate) 2 or more...

  13. Annotated bibliography on high-intensity linear accelerators. [240 citations

    Energy Technology Data Exchange (ETDEWEB)

    Jameson, R.A.; Roybal, E.U.

    1978-01-01

    A technical bibliography covering subjects important to the design of high-intensity beam transport systems and linear accelerators is presented. Space charge and emittance growth are stressed. Subject and author concordances provide cross-reference to detailed citations, which include an abstract and notes on the material. The bibliography resides in a computer database that can be searched for key words and phrases.

  14. 40 CFR 170.240 - Personal protective equipment.

    Science.gov (United States)

    2010-07-01

    ...) Goggles. (ii) Face shield. (iii) Safety glasses with front, brow, and temple protection. (iv) Full-face... respiratory protection equivalent to or greater than the vapor- or gas-removing respirator specified on... interval is in effect may wear the personal protective equipment specified on the pesticide labeling...

  15. 40 CFR 161.240 - Residue chemistry data requirements.

    Science.gov (United States)

    2010-07-01

    ...), (14) TEP TEP 171-4 Processed food/feed (5), (14) EP EP 171-4 Meat/milk/poultry/eggs (6), (14) TGAI or... claimed as confidential business information. (5) Data on the nature and level of residue in processed... occurs as a residue in a livestock feed. Use involving direct application to livestock, including...

  16. Test of timing properties of the Photek 240 PMT

    Energy Technology Data Exchange (ETDEWEB)

    Ronzhin, A.; Albrow, M.; Demarteau, M.; Pronko, S.; Ramberg, E.; /Fermilab; Zatserklyaniy, A.; /Puerto Rico U., Mayaguez

    2010-01-01

    Timing measurements of Silicon Photomultipliers (SiPM) at the picosecond level were performed at Fermilab. The core timing resolution of the electronic measurement technique is approximately 2 picoseconds. The single photoelectron time resolution (SPTR) was measured for the signals coming from the SiPM's. A SPTR of about one hundred picoseconds was obtained for SiPM's illuminated by laser pulses. The dependence of the SPTR on applied bias voltage and on the wavelength of the light was measured. A simple model is proposed to explain the difference in the SPTR for blue and red light. A time of flight system based on the SiPM's, with quartz Cherenkov radiators, was tested in a proton beam at Fermilab. The time resolution obtained is 35 picoseconds per SiPM. Finally, requirements for the SiPM's temperature and bias voltage stability to maintain the time resolution are discussed.

  17. Euroopa Liit abistab tsunamipiirkonna riike 240 miljoni euroga / Ahto Lobjakas

    Index Scriptorium Estoniae

    Lobjakas, Ahto, 1970-

    2005-01-01

    EL-i, USA toetusest hiidlaines kannatada saanud riikidele. Indoneesia pealinnas Jakartas toimuvast katastroofipiirkonna riikide tippkohtumisest võtavad osa ka Euroopa Komisjoni president Jose Manuel Barroso, Luksemburgi peaminister Jean-Claude Juncker, ÜRO peasekretär Kofi Annan ja USA välisminister Colin Powell

  18. 28 CFR 2.40 - Conditions of release.

    Science.gov (United States)

    2010-07-01

    ... offender-rehabilitation program and firearm, as used in § 2.204, have the meanings given those terms by § 2... federal offense who has been released on parole or released through good-time deduction; and (3) The...

  19. 239 240Pu in Lake Michigan: 1971 to 1978

    International Nuclear Information System (INIS)

    The plutonium concentration data presented previously have consisted primarily of results from studies of short-term variations, i.e., the annual plutonium cycle conducted at Lake Michigan station ANL-5, 12 km SW of Grand Haven, Michigan. In this report, mean annual concentrations of total plutonium in unfiltered water from far off-shore (> 30 km) stations for the period 1971 through 1977, and from station ANL-5 (1975 through 1978) are summarized to establish the long-term trend in plutonium concentration in Lake Michigan. The results presented show that the mean annual concentration in the water column is similar at ANL-5 and at offshore stations and has decreased at the rate of only 6% per year during the period 1972 through 1978. The nearly constant concentration indicates that steady-state equilibria exist between plutonium inputs to the lake and the loss of plutonium from the water column. Observations suggest the existence of an active redox cycle for Pu in Lake Michigan. In this cycle, Pu IV atoms in solution are continually taken up by particulate materials but may be oxidized within microzones of the particles such as freshly deposited manganese coatings and also in solution by agents such as dissolved oxygen. In turn, the concentration of Pu VI in solution may be limited by reaction with reducing constituents of the coloidal-sized fraction (or decomposer organisms such as bacteria or fungi, which might have been present after filtration) and with planktonic organisms in the environment to produce Pu IV and thus maintain the cycle

  20. 16 CFR 24.0 - Scope and purpose of guides.

    Science.gov (United States)

    2010-01-01

    ... bags, purses, pocketbooks, footwear, belts (when not sold as part of a garment) and similar articles (hereinafter, “industry products”). (b) These Guides represent administrative interpretations of laws... Act (15 U.S.C. 45) to the manufacture, sale, distribution, marketing, and advertising of...

  1. 17 CFR 240.10b-10 - Confirmation of transactions.

    Science.gov (United States)

    2010-04-01

    ... transaction in any NMS stock as defined in § 242.600 of this chapter or a security authorized for quotation on... purchases) or sale price (for customer sales); or (B) In the case of any other transaction in an NMS stock...) of this section for the next three succeeding payments. (7) NMS stock shall have the meaning...

  2. 240 Mold Sensitization in Chronic Rhinosinusitis Patients

    Science.gov (United States)

    Gawlik, Radoslaw; Czecior, Eugeniusz

    2012-01-01

    Background It is estimated that about 10% of the population have IgE antibodies to common inhalant molds. Exposure to fungal allergens could be linked to the presence and persistence of asthma, rhinitis and atopic dermatitis. Mold sensitization is a risk factor for development and deterioration of upper airway allergy, especially chronic rhinosinusitis. We addressed the incidence of mold allergy measured as specific IgE to molds and skin prick tests in chronic sinusitis patients. We assessed prevalence of allergic reactions to mould among surgery treated chronic sinusitis patients. Methods A group of 28 chronic sinusitis patients after surgery were included into the study. Routine medical examination, skin prick tests with common inhaled allergens and extended mold panel (Alternaria alternate, Cladosporium herbarium, Aspergilus fumigatus, Candida albicans, Mucor mucedo, Botrytis cinerea, Rhisopus nigricans, Penicilliumi notatum, Fusarum moniliforme Pullularia pullulans (Allergopharma, Germany), tIgE, asIgE measurement were performed (Phadia, Sweden). All investigated patients were consulted by laryngologist and mycological examination was performed. Results We found that sensitization to at least one allergen was present in 43.8(14/32) of sinusitis patients. The most prevalent was sensitization to house dust mite Dermatophagoides pt., found in 21.8 % (7/32) patients. Positive results of skin prick tests with Candida albicans we observed in 18.8% (6/32), with Alternaria alternate in 15,6% (5/32), Cladosporium herbarium in 6,3% (2/32), Aspergilus fumigatus in 3,13 % (1/32). None of investigated patients presented sensitization to other mold allergens. Microbiological methods demonstrated fungal infection only in 2 patients. Conclusions Almost half of chronic sinusitis patients presented sensitization to at least one allergen. Fungal allergy is relatively rare in chronic sinusitis patients.

  3. Dicty_cDB: VSF240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available pdate 2001. 3.22 Translated Amino Acid sequence *df*xhylqfslystah*qtlppmlvnf*lvspkvlkshstvthkhv*vvspqhlmnskl...KEAVEIWEHKNDLSADFKTAIADWKSSNYNGSGVAVGSIIGDLXQGAK*iy yyyn Frame B: *df*xhylqfslystah*qtlppmlvnf*lvspkvlkshstv...lmls*rkpsksgntktislltsklpslignhqttmvqvlpsvqslvi*SKVLNKFIIII IILYLKKK--- ---*df*shylqfslystah*qtlppmlvnf*lvsp

  4. 40 CFR 240.203-2 - Recommended procedures: Design.

    Science.gov (United States)

    2010-07-01

    ..., easy to maintain, and consistent with the land use of the area. (d) Employee convenience facilities and... operating unit malfunctions. (j) Sampling capability should be designed into the facility so that each process stream can be sampled, and the utilities required to do so should be close at hand. The...

  5. 8 CFR 240.64 - Eligibility-general.

    Science.gov (United States)

    2010-01-01

    ... applicant were deported or removed from the United States. In making such a determination, the adjudicator... extreme hardship if the applicant were deported or removed from the United States. (4) Effect of rebuttal... relative would suffer extreme hardship if the applicant were deported or removed from the United...

  6. 17 CFR 240.14c-5 - Filing requirements.

    Science.gov (United States)

    2010-04-01

    ... statement regarding an acquisition, merger, spinoff, consolidation or proposed sale or other disposition of substantially all the assets of the company, the registrant shall pay the Commission a fee, no part of which... by means of underscoring or in some other appropriate manner. (f) Merger material....

  7. 17 CFR 240.12b-2 - Definitions.

    Science.gov (United States)

    2010-04-01

    ..., whether by merger, consolidation, purchase, or other direct transfer; or the acquisition of control of a... company, the term does not include the acquisition of control of a business unless followed by the direct... for smaller reporting companies in part 229 of this chapter for its annual and quarterly reports....

  8. 17 CFR 240.14a-6 - Filing requirements.

    Science.gov (United States)

    2010-04-01

    ... Commission the following applicable fee: (1) For preliminary proxy material involving acquisitions, mergers... lieu of the annual) meeting, or for an investment company registered under the Investment Company Act of 1940 (15 U.S.C. 80a-1 et seq.) or a business development company, if the solicitation relates...

  9. 45 CFR 2541.240 - Matching or cost sharing.

    Science.gov (United States)

    2010-10-01

    ... supported by the same methods that the organization uses to support the allocability of regular personnel... fixed-price contract may count towards satisfying a cost sharing or matching requirement only if it..., and only depreciation or use allowances may be counted for donated equipment and buildings....

  10. 17 CFR 240.17Ad-6 - Recordkeeping.

    Science.gov (United States)

    2010-04-01

    ... record of calculations demonstrating the registered transfer agent's monitoring of its performance under..., exchange, redemption, liquidation, conversion or the sale of securities registered pursuant to...

  11. 16 CFR 240.5 - Definition of competing customers.

    Science.gov (United States)

    2010-01-01

    ...-buying retailing customers reselling exclusively within the Baltimore area, and other customers within... confined to the Baltimore area, provided that it affords all of its retailing customers within the area...

  12. Dicty_cDB: CFK240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available Entamoeba histolytica HM1:IMSS enolase (enl-1) mRNA, complete cds. 56 1e-25 5 BD183626 |BD183626.1 Material for diagnosing...8 3e-16 5 BD183625 |BD183625.1 Material for diagnosing malaria and immune antigen for suppressing growth of

  13. Dicty_cDB: SHA240 [Dicty_cDB

    Lifescience Database Archive (English)

    Full Text Available O21 of DrosBAC library from Drosophila melanogaster (fruit fly). 32 4.8 2 BF297343 |BF297343.1 050PbE09 Pb c...DNA #17, Tommaso Pace, Marta Ponzi, and Clara Frontali Plasmodium berghei cDNA 5'

  14. 31 CFR 240.14 - Checks issued to incompetent payees.

    Science.gov (United States)

    2010-07-01

    ...) FISCAL SERVICE, DEPARTMENT OF THE TREASURY FINANCIAL MANAGEMENT SERVICE INDORSEMENT AND PAYMENT OF CHECKS... without submission of documentary proof of the authority of the guardian or other fiduciary, with the... the certifying agency with information as to the incompetence of the payee and documentary...

  15. 31 CFR 240.15 - Checks issued to deceased payees.

    Science.gov (United States)

    2010-07-01

    ...) FISCAL SERVICE, DEPARTMENT OF THE TREASURY FINANCIAL MANAGEMENT SERVICE INDORSEMENT AND PAYMENT OF CHECKS... a financial institution, it will be paid by Treasury without the submission of documentary proof...

  16. USERDA computer software summaries: numbers 240 through 324

    International Nuclear Information System (INIS)

    Since 1960 the Argonne Code Center has served as a U.S. Atomic Energy Commission information center for computer programs developed and used primarily for the solution of problems in nuclear physics, reactor design, reactor engineering and operation. The Center, through a network of registered installations, collects, validates, maintains, and distributes a library of these computer programs and publishes a compilation of abstracts describing them. In 1972 the scope of the Center's activities was officially expanded to include computer programs developed in all of the U.S. Atomic Energy Commission program areas and the compilation and publicatuon of this report. The Computer Software Summary report contains summaries of computer programs at the specification stage, under development, being checked out, in use, or available at ERDA offices, laboratories, and contractor installations. Programs are divided into the following categories : cross section and resonance integral calculations; spectrum calculations, generation of group constants, lattice and cell problems; static design studies; depletion, fuel management, cost analysis, and reactor economics; space-independent k;inetics; pace--time kinetics, coupled neutronics--hydrodynamics--thermodynmics and excursion simulations; radiological safety, hazard and accident analysis; heat transfer and fluid flow; deformation and stress distribution computations, structural analysis and engineering design studies; gamma heating and shielddesign programs; reactor systems analysis; data preparation; data management; subsidiary calculations; experimental data processing; general mathematical and computing system routines; materials; environmental and earth sciences; space sciences; electronics and engineering equipment; chemistry; particle accelerators and high-voltage machines; physics; controlled thermonuclear research; biology and medicine; and data

  17. SINK OR SWIM? DEBT REVIEW'S AMBIVALENT "LIFELINE" ---- A SECOND SEQUEL TO "… A TALE OF TWO JUDGMENTS" NEDBANK V ANDREWS (240/2011 2011 ZAECPEHC 29 (10 May 2011; FIRSTRAND BANK LTD V EVANS 2011 4 SA 597 (KZD AND FIRSTRAND BANK LTD V JANSE VAN RENSBURG 2012 2 All SA 186 (ECP

    Directory of Open Access Journals (Sweden)

    L Steyn

    2012-11-01

    Full Text Available The interface between the National Credit Act 34 of 2005 and the Insolvency Act 24 of 1936 has been the object of our courts' attention in a number of recent cases including Ex parte Ford and Two Similar Cases 2009 3 SA 376 (WCC, Investec Bank Ltd v Mutemeri 2010 1 SA 265 (GSJ, Naidoo v ABSA Bank Ltd 2010 4 SA 597 (SCA and, more recently, Nedbank v Andrews (240/2011 2011 ZAECPEHC 29 (10 May 2011, FirstRand Bank Ltd v Evans 2011 4 597 (KZD and FirstRand Bank Ltd v Janse van Rensburg 2012 2 All SA 186 (ECP. The question raised in all of the three most recent cases was whether or not a debtor's application for debt review in terms of the National Credit Act constitutes an "act of insolvency" in terms of section 8 of the Insolvency Act, upon which a creditor may rely in an application for the compulsory sequestration of the debtor's estate. If it does, it would mean that by resorting to the debt relief measures provided by the National Credit Act a debtor commits the very act on which a creditor may base an application for a sequestration order which, if granted, will render the debtor's estate insolvent and bring about the liquidation of his assets. From the debtor's perspective, this is probably precisely the situation that he seeks to avert by applying for debt review. Further, sequestration would frustrate the stated purpose of the National Credit Act, which is that debtors should take responsibility for their debts by satisfying them in full. Concurrent creditors might also ultimately receive a dividend which falls far short of what is due to them. The question of whether a debtor's resorting to debt review may or should be the very act that triggers his estate's sequestration and its attendant consequences is an important issue, the treatment of which impacts significantly on the efficacy of the South African consumer debt relief system. This article analyses the most recent judgments and considers whether or not statutory regulation of the

  18. ZPR-6 assembly 7 high {sup 240} PU core : a cylindrical assemby with mixed (PU, U)-oxide fuel and a central high {sup 240} PU zone.

    Energy Technology Data Exchange (ETDEWEB)

    Lell, R. M.; Schaefer, R. W.; McKnight, R. D.; Tsiboulia, A.; Rozhikhin, Y.; Nuclear Engineering Division; Inst. of Physics and Power Engineering

    2007-10-01

    Over a period of 30 years more than a hundred Zero Power Reactor (ZPR) critical assemblies were constructed at Argonne National Laboratory. The ZPR facilities, ZPR-3, ZPR-6, ZPR-9 and ZPPR, were all fast critical assembly facilities. The ZPR critical assemblies were constructed to support fast reactor development, but data from some of these assemblies are also well suited to form the basis for criticality safety benchmarks. Of the three classes of ZPR assemblies, engineering mockups, engineering benchmarks and physics benchmarks, the last group tends to be most useful for criticality safety. Because physics benchmarks were designed to test fast reactor physics data and methods, they were as simple as possible in geometry and composition. The principal fissile species was {sup 235}U or {sup 239}Pu. Fuel enrichments ranged from 9% to 95%. Often there were only one or two main core diluent materials, such as aluminum, graphite, iron, sodium or stainless steel. The cores were reflected (and insulated from room return effects) by one or two layers of materials such as depleted uranium, lead or stainless steel. Despite their more complex nature, a small number of assemblies from the other two classes would make useful criticality safety benchmarks because they have features related to criticality safety issues, such as reflection by soil-like material. The term 'benchmark' in a ZPR program connotes a particularly simple loading aimed at gaining basic reactor physics insight, as opposed to studying a reactor design. In fact, the ZPR-6/7 Benchmark Assembly (Reference 1) had a very simple core unit cell assembled from plates of depleted uranium, sodium, iron oxide, U3O8, and plutonium. The ZPR-6/7 core cell-average composition is typical of the interior region of liquid-metal fast breeder reactors (LMFBRs) of the era. It was one part of the Demonstration Reactor Benchmark Program,a which provided integral experiments characterizing the important features of demonstration-size LMFBRs. As a benchmark, ZPR-6/7 was devoid of many 'real' reactor features, such as simulated control rods and multiple enrichment zones, in its reference form. Those kinds of features were investigated experimentally in variants of the reference ZPR-6/7 or in other critical assemblies in the Demonstration Reactor Benchmark Program.

  19. 17 CFR 240.13d-101 - Schedule 13D-Information to be included in statements filed pursuant to § 240.13d-1(a) and...

    Science.gov (United States)

    2010-04-01

    ... securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a... reported on that were effected during the past sixty days or since the most recent filing of Schedule...

  20. Advanced high-performance 320x240 VOx microbolometer uncooled IR focal plane

    Science.gov (United States)

    Howard, Philip E.; Clarke, John E.; Parrish, William J.; Woolaway, James T., II

    1999-07-01

    This paper describes Boeing's next-generation 320 X 320 uncooled IR focal plane product. The basic objectives have ben to at least double focal plane performance, improve focal pane operating stability, and significantly enhance the control interface between the focal pane and the camera. All of these basic objectives have been achieved. Focal plane temporal NETD equals 0.028 degrees C has been demonstrated at a frame rate of 60 Hz on the first lot of UFPAs produced, as well as a worst-case spatial NETD < 0.016 degrees C measured over 10 degrees C temperature calibration range. Operating stability improvement has been successfully demonstrated. The design has validated a 'smart sensor' UFPA/camera control interface that provides externally programmability of on-chip signal gain, on-chip pixel offset compensation, on-chip detector bias regulation, precision on-chip temperature measurement, and a 16 test- point Built In Test function. Based on Lot-1 test results, the next lot, which is now in wafer processing, is expected to achieve NETD < 0.02 degrees C at a 60 Hz frame rate. With an improved microbolometer Thermal Isolation Structure, currently in development at Boeing, NETD < 0.010 degrees C can be demonstrated before the end of this year.

  1. Degarelix 240/80 mg: a new treatment option for patients with advanced prostate cancer

    DEFF Research Database (Denmark)

    Boccon-Gibod, L.; Iversen, P.; Persson, B.E.;

    2009-01-01

    Gonadotrophin-releasing hormone (GnRH) receptor blockers (antagonists) are the latest addition to the hormonal therapy armamentarium for patients with prostate cancer. In contrast to the GnRH agonists, GnRH blockers have an immediate onset of action and do not cause an initial surge in testosterone...... levels that can lead to clinical flare in patients with advanced disease. Degarelix (Firmagon is a new GnRH blocker that has recently been approved by the EMEA and US FDA for the treatment of men with hormone-sensitive advanced prostate cancer. In this article, we briefly review the Phase III trial data...

  2. Semi-empirical Calculation for Yield of 240Pu Spontaneous Fission

    Institute of Scientific and Technical Information of China (English)

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

    2012-01-01

    <正>The spontaneous fission yield has important implication in the nuclear engineering. This work used semi-empirical model to calculate its chain yield, the result shows good agreement with the measured data. There are only 3 sets of measured data, and only too gave the chain yields and cumulative yields, covering 17 chains. It is not enough to satisfy the requirement of users. So it is needed to use theoretical model to calculate the chain yield without measured data.

  3. [Epidemiological, clinical and biological features of infantile visceral leishmaniasis at Kairouan hospital (Tunisia): about 240 cases].

    Science.gov (United States)

    Aissi, W; Ben Hellel, K; Habboul, Z; Ben Sghaier, I; Harrat, Z; Bouratbine, A; Aoun, K

    2015-10-01

    Visceral leishmaniasis (VL) is an important health problem in Tunisia. It is most common in children under five years of age. The governorate of Kairouan (central Tunisia) is one of the most affected foci. The aim of this study was to update the epidemiological, clinical and biological features of the disease. The study concerned all VL cases admitted in the pediatric department of Kairouan hospital during 10 years (from 2004 to 2013). For every patient included in this study and when available, data such as sex, age, geographical origin and the condition of the patient at admission (clinical and biological findings) were collected. The myelogram results were also exploited as well as results of serology, culture, Real-Time polymerase chain reaction (PCR) and isoenzymatic typing of Leishmania isolates. Two hundred and forty cases were recorded. Rural cases (87.1%) were more prevalent than urban ones (12.9%). Age ranged from 2 months to 13 years (median, 18 months). The female/male sex ratio was 1.03. The diagnosis delays ranged from 1 day to 8 months (median, 15 days). The most common clinical symptoms at admission were splenomegaly (97.9%), fever (79.9%) and hepatomegaly (47.3%). The principal biological disturbances were anemia (91.7%), thrombocytopenia (83.9%) and leucopenia (56.1%). Among the different biological tools used for diagnosis confirmation, PCR was the most sensitive (100%). All 43 typed stocks corresponded to Leishmania (L.) infantum species. Although zymodeme MON-1 was predictably the most frequent (27 cases), L. infantum MON-24 and MON-80 were responsible of no negligible numbers of cases (11 and 5 cases respectively). The present study gave an updated epidemiological, clinical and biological profile of infantile VL in Tunisia. The diagnosis delays were considerably shortened compared to previous reports. However, an even earlier diagnosis of cases is needed to improve the disease prognosis. Real-Time PCR showed to be helpful in VL management.

  4. 7 CFR 1951.240 - State Director's additional authorizations and guidance.

    Science.gov (United States)

    2010-01-01

    ... authorizations and guidance. (a) Promote financing purposes and improve or maintain collectibility. The State... instruments. (4) Approve the extension or expansion of facilities and services. (5) Require...

  5. 17 CFR 240.14a-16 - Internet availability of proxy materials.

    Science.gov (United States)

    2010-04-01

    ... complies with each of the following plain English writing principles: (i) Short sentences; (ii) Definite... taken by written consent, the earliest date on which the corporate action may be effected; (6) A clear... registrant's use of the rules detailed in this section and the process of receiving and reviewing the...

  6. 17 CFR 240.15a-1 - Securities activities of OTC derivatives dealers.

    Science.gov (United States)

    2010-04-01

    ... options, forwards, futures, swap agreements, or collars involving currencies, interest or other rates... in accordance with Regulation S (17 CFR 230.901 through 230.904)) issued by a person not organized or... in accordance with Regulation S (17 CFR 230.901 through 230.904). (i) For purposes of this...

  7. 17 CFR 240.14a-9 - False or misleading statements.

    Science.gov (United States)

    2010-04-01

    ... of this section. (a) Predictions as to specific future market values. (b) Material which directly or indirectly impugns character, integrity or personal reputation, or directly or indirectly makes...

  8. 40 CFR 1065.240 - Dilution air and diluted exhaust flow meters.

    Science.gov (United States)

    2010-07-01

    ...) AIR POLLUTION CONTROLS ENGINE-TESTING PROCEDURES Measurement Instruments Flow-Related Measurements... dilution system, you may use a laminar flow element, an ultrasonic flow meter, a subsonic venturi, a... 40 Protection of Environment 32 2010-07-01 2010-07-01 false Dilution air and diluted exhaust...

  9. 49 CFR 240.129 - Criteria for monitoring operational performance of certified engineers.

    Science.gov (United States)

    2010-10-01

    ... employs the skills to safely operate locomotives and/or trains, including the proper application of the... compliance with provisions of the railroad's operating rules, timetable or other mandatory directives that... operating rules, timetable or other mandatory directives violation of which by engineers were cited by...

  10. 17 CFR 240.10A-3 - Listing standards relating to audit committees.

    Science.gov (United States)

    2010-04-01

    ... issuer until the earlier of the next annual shareholders meeting of the listed issuer or one year from... shareholders meeting after January 15, 2004, or October 31, 2004. (ii) Each national securities exchange and... registration statement; and (2) A minority of the members of the listed issuer's audit committee may be...

  11. 20 CFR 662.240 - What are a program's applicable core services?

    Science.gov (United States)

    2010-04-01

    ... profiling), and orientation to the information and other services available through the One-Stop delivery... postsecondary vocational education activities and vocational education activities available to school dropouts under the Carl D. Perkins Vocational and Applied Technology Education Act (20 U.S.C. 2301 et seq.);...

  12. 17 CFR 240.3b-15 - Definition of ancillary portfolio management securities activities.

    Science.gov (United States)

    2010-04-01

    ... activities means securities activities that: (1) Are limited to transactions in connection with: (i) Dealer... exposures within the market, credit, leverage, and liquidity risk parameters set forth in: (i) The trading... particular transaction for, or on behalf of, the dealer; and (ii) The written guidelines approved by...

  13. 17 CFR 240.17a-5 - Reports to be made by certain brokers and dealers.

    Science.gov (United States)

    2010-04-01

    ... working papers supporting adjustments; (D) Proof of arithmetical accuracy of the calculations reflected in... extent of testing, consideration shall be given to the materiality of an area and the possible effect...

  14. 29 CFR 1952.240 - Description of the plan as initially approved.

    Science.gov (United States)

    2010-07-01

    ... of Labor has full authority to enforce and administer laws respecting safety and health of employees in all workplaces of the State, including coverage of public employees, with the exceptions of... is a statement of legal opinion that the law, which was supported by the Governor in accordance...

  15. 17 CFR 240.13e-4 - Tender offers by issuers.

    Science.gov (United States)

    2010-04-01

    ... employment compensation, severance or other employee benefit arrangement solely by independent directors as... Investment Company Act of 1940, a director is considered to be independent if the director is not, other than... security is a “margin security” within the meaning of Regulation T (12 CFR 220.2) and the issuer...

  16. 17 CFR 240.17a-12 - Reports to be made by certain OTC derivatives dealers.

    Science.gov (United States)

    2010-04-01

    ... at the decision-making level (i.e., between principal financial officers of the OTC derivatives... affirmation that, to the best knowledge and belief of the person making such oath or affirmation, the..., address, and telephone number of the certified public accounting firm; and (iii) The audit date of the...

  17. Sébastien Lechevalier (editor), The Great Transformation of Japanese Capitalism. London: Routledge, 2014. 240 pp

    DEFF Research Database (Denmark)

    Kravtsova, Victoria

    2015-01-01

    Book review of: Sébastien Lechevalier (editor), The Great Transformation of Japanese Capitalism. London: Routledge, 2014.......Book review of: Sébastien Lechevalier (editor), The Great Transformation of Japanese Capitalism. London: Routledge, 2014....

  18. 17 CFR 240.16b-3 - Transactions between an issuer and its officers or directors.

    Science.gov (United States)

    2010-04-01

    ... approved by the board of directors of the issuer, or a committee of the board of directors that is composed... chapter, based on information readily available to the issuer and the director at the time such director proposes to act as a Non-Employee Director. At such time as the issuer believes in good faith, based...

  19. 17 CFR 240.10b-17 - Untimely announcements of record dates.

    Science.gov (United States)

    2010-04-01

    ... dividend or distribution of any security of the same or another issuer; (2) A stock split or reverse split... to participate in the stock or reverse split; (iv) Date of payment or distribution or, in the case of a stock or reverse split or rights or other subscription offering, the date of delivery; (v) For...

  20. 49 CFR Appendix E to Part 240 - Recommended Procedures for Conducting Skill Performance Tests

    Science.gov (United States)

    2010-10-01

    ... subjectivity. Any skill performance test will contain some amount of subjectivity. While compliance with the... reduce or eliminate such subjectivity through use of some type of observation or evaluation....

  1. 17 CFR 240.3b-12 - Definition of OTC derivatives dealer.

    Science.gov (United States)

    2010-04-01

    ... to options, forwards, futures, swap agreements, or collars involving currencies, interest or other... derivatives dealer means any dealer that is affiliated with a registered broker or dealer (other than an OTC... securities activities; and (5) Engaging in such other securities activities that the Commission designates...

  2. The uptake of plutonium-239, 240, americium-241, strontium-90 into plants

    International Nuclear Information System (INIS)

    This report describes the results of measurements on the uptake of plutonium, americium, strontium-90 and caesium-137 into peas, beet, oats, sweet corn, tomatoes and vegetable marrow grown in tubs containing radioactively-contaminated silts. The silts had been taken from an area of West Cumbria commonly referred to as the Ravenglass estuary. The experiments are categorised as being carried out under non-standard conditions because of the manner in which the radioactivity came to be incorporated into the growth medium. The growth medium was representative of conditions which could arise when the estuarine silt moves inland under the influence of wind and tide and mixes with the adjacent farm land. The silt had been contaminated by radioactive effluents from the nuclear fuels reprocessing plant at Sellafield and this contamination had been brought about by natural means. (Auth.)

  3. Control System of Sensorless Brushless DC Motor Based on TMS320F240

    Directory of Open Access Journals (Sweden)

    Li Zeng

    2011-11-01

    Full Text Available A brushless DC(BLDC motor with the characteristics of high speed and high power density has been more widely used in industrial area. The BLDC motor requires the position and speed sensors for control. However the position sensors are undesirable from standpoints of size, cost, maintenance and reliability. There are some different ways that can solve this problem, depending on the flux distribution. This paper describes a control system of sensorless BLDC motor. The back-EMF is adopted to detect the rotor position. The back-EMF is very small in the motor starting process, and it is difficult to obtain rotor position efficiently. A re-setting method of the rotor is proposed in the paper, and current closed loop is used for high-speed and safety in the motor starting process. A good speed and current double closed loops system is designed. The speed and current regulators are implemented by a digital signal processor(DSP. A simple algorithm is used to calculate motor speed indirectly by the software, which simplifies the system hardware structure. The hardware structure and software design of sensorless BLDC motor control system are described in details. The simulation and experimental results have shown the validity of the sensorless control system and the accuracy of the detective position signal obtained.

  4. 17 CFR 240.17f-2 - Fingerprinting of securities industry personnel.

    Science.gov (United States)

    2010-04-01

    ... the sale of shares of registered open-end management investment companies, variable contracts, or... Act of 1934; (C) Has insurance or bonding indemnifying it for losses to customers caused by the... less than three years after termination of that person's employment or relationship with...

  5. 46 CFR 128.240 - Hydraulic or pneumatic power and control-materials and pressure design.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Hydraulic or pneumatic power and control-materials and... Hydraulic or pneumatic power and control—materials and pressure design. (a) Each standard piping component (such as pipe runs, fittings, flanges, and standard valves) for hydraulic or pneumatic power and...

  6. 50 CFR 216.240 - Specified activity and specified geographical region.

    Science.gov (United States)

    2010-10-01

    ... (MFAS) sources, high frequency active sonar (HFAS) sources, or explosive sonobuoys for U.S. Navy anti...) SSQ-62 (Directional Command Activated Sonobuoy System (DICASS) sonobuoys)—up to 29265 sonobuoys over the course of 5 years (an average of 5853 sonobuoys per year). (7) MK-48 (heavyweight torpedoes)—up...

  7. 17 CFR 240.14d-2 - Commencement of a tender offer.

    Science.gov (United States)

    2010-04-01

    ... oral or written communication by the bidder, or any person authorized to act on the bidder's behalf... shares into the offer; and (2) All written communications relating to the tender offer, from and... under this section. 3. Each pre-commencement written communication must include a prominent legend...

  8. 17 CFR 240.14d-9 - Recommendation or solicitation by the subject company and others.

    Science.gov (United States)

    2010-04-01

    ... of such customers or clients or solely pursuant to a contract or a relationship providing for advice... management; (3) States that on or before a specified date (which shall be no later than 10 business days from... section. (g) Statement of management's position. A statement by the subject company's of its position...

  9. Definition of the optimal terms isotope 82Sr obtaining on cyclotrons U-240

    International Nuclear Information System (INIS)

    Analysis of the various nuclear reactions for the production of radionuclide 82Sr was performed and optimum process for the production of this radionuclide was determined. Proton beam energy range for minimizing 85Sr impurity was also determined. The thickness of the RbCl target was calculated

  10. 17 CFR 240.15c3-2 - Customers' free credit balances.

    Science.gov (United States)

    2010-04-01

    ... 17 Commodity and Securities Exchanges 3 2010-04-01 2010-04-01 false Customers' free credit... Customers' free credit balances. No broker or dealer shall use any funds arising out of any free credit... customer for whom a free credit balance is carried will be given or sent, together with or as a part of...

  11. 7 CFR 1493.240 - Initial application and letter of preliminary commitment.

    Science.gov (United States)

    2010-01-01

    ... to improve handling, marketing, processing, storage, or distribution of agricultural commodities or... goods or services and the basis of sale for goods to be exported (e.g., FOB, CFR, CIF); (12) The... countries of origin for each input; (iii) Estimated annual quantities, in metric tons, of each input...

  12. 17 CFR 240.12g-1 - Exemption from section 12(g).

    Science.gov (United States)

    2010-04-01

    ... pursuant to section 12(g)(1) if on the last day of its most recent fiscal year the issuer had total assets... quoted in an automated inter-dealer quotation system. (Secs. 6, 7, 8, 10, 19(a), 48 Stat. 78, 79, 81,...

  13. 17 CFR 240.13e-3 - Going private transactions by certain issuers or their affiliates.

    Science.gov (United States)

    2010-04-01

    ... be quoted in an inter-dealer quotation system of a registered national securities association to be neither listed on any national securities exchange nor authorized to be quoted on an inter-dealer... later than 20 days prior to: any such purchase; any such vote, consent or authorization; or with...

  14. 17 CFR 240.16b-7 - Mergers, reclassifications, and consolidations.

    Science.gov (United States)

    2010-04-01

    ... exempt from the provisions of section 16(b) of the Act: (1) The acquisition of a security of a company, pursuant to a merger, reclassification or consolidation, in exchange for a security of a company that... securities of all other companies involved in the merger, reclassification or consolidation, or in the...

  15. 17 CFR 240.17Ad-16 - Notice of assumption or termination of transfer agent services.

    Science.gov (United States)

    2010-04-01

    ... of securities because of a merger or acquisition by another transfer agent, shall send written notice... issuer of securities because of a merger or acquisition of another transfer agent, shall send written... services resulting from the merger or acquisition of another transfer agent, shall include the full...

  16. 17 CFR 240.15a-5 - Exemption of certain nonbank lenders.

    Science.gov (United States)

    2010-04-01

    ... engage in the business of effecting transactions in securities or of buying and selling securities for its own account except in respect of receiving notes evidencing loans to small business concerns and... certain nonbank lenders. A lender approved under the rules and regulations of the Small...

  17. Users Manual for the Program LCP2 (Version 2.40)

    DEFF Research Database (Denmark)

    Gaunholt, Hans

    1996-01-01

    LCP2 (Linear Circuit Program) is developed as an analysis and optimization tool to be used in the design of passive, active and digital filters with arbitrary structures. By the aid of an optimization loop the program may be used to solve nonlinear design equations for active filter structures...... is a set of corrected component values according to a minimum of some error-function. The error function may be chosen to be of the least square, the least "2p", the minimax and the L1-norm type. Sensitivity information is available from the program together with the worst-case sensitivity index...... and the standard deviation (Shoeffler) sensitivity index....

  18. 17 CFR 240.15a-6 - Exemption of certain foreign brokers or dealers.

    Science.gov (United States)

    2010-04-01

    ..., insurance company, business development company, small business investment company, or employee benefit plan... private business development company defined in Rule 501(a)(2) (17 CFR 230.501(a)(2)); an organization... communications with the U.S. institutional investor or the major U.S institutional investor; and (2)...

  19. 49 CFR 240.123 - Criteria for initial and continuing education.

    Science.gov (United States)

    2010-10-01

    ... another, the engineer(s) of the acquiring company may receive familiarization training from the selling company prior to the acquiring railroad commencing operation; or (2) Failing to obtain familiarization... acquire familiarity with the physical characteristics of a territory through the following methods if...

  20. 20 CFR 645.240 - What are the reporting requirements for Welfare-to-Work programs?

    Science.gov (United States)

    2010-04-01

    ... 20 Employees' Benefits 3 2010-04-01 2010-04-01 false What are the reporting requirements for.../tegltein.htm. The Internet reporting system for WtW grantees is accessible at http://www.etareports.doleta..., the recipient must develop accrual information through an analysis of the documentation on hand....

  1. 农业科学(210-240) 210农学

    Institute of Scientific and Technical Information of China (English)

    2005-01-01

    05100001 210·20农业基础学科洪水灾情评价的遗传程序设计方法=Genetic programming method for evaluation of flood disaster loss[刊,中],05100002 210·20灰色关联分析用于稻米品质综合评价的改进=Application of revised gray rela-tional analysis in comprehensive evaluation of rice quality[刊,中],05100003 210·20基于GIS的松嫩平原农业干旱敏感性分析=The study on the susceptibility of agricultural drought hazard in Songnen plain based on GIS[刊,中],05100004 210·20计算机辅助设计技术在大田棉花喷灌设计中的应用=Application of computer aided design(CAD)technique on sprinkling irrigation designing in the land for growing cotton[刊,中]……

  2. 17 CFR 240.15c3-1 - Net capital requirements for brokers or dealers.

    Science.gov (United States)

    2010-04-01

    ... other factors, the special nature of its business, its financial position, its internal risk management... any short term promissory note or evidence of indebtedness which has a fixed rate of interest or is.... Futures Commission Merchants (iii) No broker or dealer registered as a futures commission merchant...

  3. 17 CFR 240.24c-1 - Access to nonpublic information.

    Science.gov (United States)

    2010-04-01

    ... in Section 3(a)(47) of the Act) or the Commission's Rules of Practice, 17 CFR part 201, or otherwise... Commission's Rules of Practice; (7) A bar association, state accountancy board or other federal, state,...

  4. Managing the Finances. PACE Revised. Level 2. Unit 16. Research & Development Series No. 240BB16.

    Science.gov (United States)

    Ashmore, M. Catherine; Pritz, Sandra G.

    This unit on managing the finances of a small business, the 16th in a series of 18 modules, is on the second level of the revised PACE (Program for Acquiring Competence in Entrepreneurship) comprehensive curriculum. Geared to advanced secondary and beginning postsecondary or adult students, the modules provide an opportunity to learn about and try…

  5. 49 CFR 178.55 - Specification 4B240ET welded or brazed cylinders.

    Science.gov (United States)

    2010-10-01

    ... tight fit and calculated shear strength at least 10 times the test pressure of the cylinder; gaskets... between knife edges, wedge shaped, 60° angle, rounded to 1/2 inch radius. (k) Physical test. A physical test must be conducted to determine yield strength, tensile strength, elongation, and reduction of...

  6. 17 CFR 240.12g-4 - Certifications of termination of registration under section 12(g).

    Science.gov (United States)

    2010-04-01

    ... Commission on Form 15 (17 CFR 249.323) that the class of securities is held of record by: (1) Less than 300... on the last day of each of the issuer's most recent three fiscal years. (b) The issuer's duty to file... suspension resulted from the issuer's merger into, or consolidation with, another issuer or issuers,...

  7. 17 CFR 240.15d-6 - Suspension of duty to file reports.

    Science.gov (United States)

    2010-04-01

    ... 15(d) of the Act as to any fiscal year is suspended as provided in section 15(d) of the Act, such issuer shall, within 30 days after the beginning of the first fiscal year, file a notice on Form 15... the suspension resulted from the issuer's merger into, or consolidation with, another issuer...

  8. 17 CFR 240.14a-101 - Schedule 14A. Information required in proxy statement.

    Science.gov (United States)

    2010-04-01

    ....304 of this chapter). (e)(1) Disclose, under the caption Audit Fees, the aggregate fees billed for...) Disclose, under the caption Audit-Related Fees, the aggregate fees billed in each of the last two fiscal...) Disclose the audit committee's pre-approval policies and procedures described in 17 CFR...

  9. Discovery of Isotopes of the Transuranium Elements with 93 <= Z <= 98

    CERN Document Server

    Fry, C

    2012-01-01

    One hundred and five isotopes of the transuranium elements neptunium, plutonium, americium, curium, berkelium and californium 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.

  10. Исследование эффективности применения предпускового подогревателя для тепловой подготовки двигателя Д-240

    OpenAIRE

    Шарангович, Владимир Александрович

    2016-01-01

    В результате исследования обоснована конструкция автономного предпускового подогревателя ДВС на базе бензиновой горелки, изготовлена конструкция предлагаемого устройства и проведены экспериментальные исследования, подтверждающие эффективность применения предложенной установки применительно к двигателю Д-240 в условиях отрицательных температур. Основные конструктивные, технологические и технико-эксплуатационные характеристики: применение предложенного устройства позволит, обеспечить пуск ди...

  11. 17 CFR 240.15c3-3a - Exhibit A-formula for determination reserve requirement of brokers and dealers under § 240.15c3-3.

    Science.gov (United States)

    2010-04-01

    ... is made. (6) Debit balances of joint accounts, custodian accounts, participations in hedge funds or... compliance with the requirements of section 4(b) of Regulation T under the Act (12 CFR 220.4(b) or similar... purposes of this Note G, the term “security deposits” refers to a general fund, other than margin...

  12. On-line programming technology of on-chip Flash in TMS320LF240x DSP based on CH376%基于 CH376实现 TMS320 LF240 x片内Flash在线编程

    Institute of Scientific and Technical Information of China (English)

    熊金

    2014-01-01

    This paper particular introduced the software and hardware design that apply with on-line programming technology.The flows of search files and read or write data through CH376, also the con-version method of bin files and on-line programming were provided.This technology applied to practical engineering and brought more convenience and reduced the product recall because of the system update and maintenance.%详细介绍利用CH376芯片实现在线编程的软硬件设计,给出通过CH376实现文件查找和文件数据块读取的详细流程,bin文件的转换方法以及在线编程的流程。该设计成功应用于系统开发中,给系统升级维护提供了诸多便利,减少因系统升级维护导致的产品召回。

  13. 17 CFR 240.15c2-11 - Initiation or resumption of quotations without specific information.

    Science.gov (United States)

    2010-04-01

    ... fraudulent, deceptive, or manipulative acts or practices, it shall be unlawful for a broker or dealer to... security, or any indication by a broker or dealer that he wishes to advertise his general interest in... unconditionally or on specified terms and conditions, as not constituting a fraudulent, manipulative or...

  14. CALORIMETER-BASED ADJUSTMENT OF MULTIPLICITY DETERMINED 240PU EFF KNOWN-A ANALYSIS FOR THE ASSAY OF PLUTONIUM

    Energy Technology Data Exchange (ETDEWEB)

    Dubose, F.

    2012-02-21

    In nuclear material processing facilities, it is often necessary to balance the competing demands of accuracy and throughput. While passive neutron multiplicity counting is the preferred method for relatively fast assays of plutonium, the presence of low-Z impurities (fluorine, beryllium, etc.) rapidly erodes the assay precision of passive neutron counting techniques, frequently resulting in unacceptably large total measurement uncertainties. Conversely, while calorimeters are immune to these impurity effects, the long count times required for high accuracy can be a hindrance to efficiency. The higher uncertainties in passive neutron measurements of impure material are driven by the resulting large (>>2) {alpha}-values, defined as the ({alpha},n):spontaneous fission neutron emission ratio. To counter impurity impacts for high-{alpha} materials, a known-{alpha} approach may be adopted. In this method, {alpha} is determined for a single item using a combination of gamma-ray and calorimetric measurements. Because calorimetry is based on heat output, rather than a statistical distribution of emitted neutrons, an {alpha}-value determined in this way is far more accurate than one determined from passive neutron counts. This fixed {alpha} value can be used in conventional multiplicity analysis for any plutonium-bearing item having the same chemical composition and isotopic distribution as the original. With the results of single calorimeter/passive neutron/gamma-ray measurement, these subsequent items can then be assayed with high precision and accuracy in a relatively short time, despite the presence of impurities. A calorimeter-based known-{alpha} multiplicity analysis technique is especially useful when requiring rapid, high accuracy, high precision measurements of multiple plutonium bearing items having a common source. The technique has therefore found numerous applications at the Savannah River Site. In each case, a plutonium (or mixed U/Pu) bearing item is divided into multiple containers. A single item from that batch is then selected for both neutron and calorimetric measurements; all remaining items undergo a neutron measurement only. Using the technique mentioned above, the 'true' {alpha} value determined from the first (calorimeter and passive neutron measured) item is used in multiplicity analysis for all other items in the batch. The justification for using this {alpha} value in subsequent calculations is the assumption that the chemical composition and isotopic distribution of all batch items are the same, giving a constant ({alpha},n):spontaneous fission ratio. This analysis method has been successfully applied to the KIS Facility, significantly improving measurement uncertainties and reducing processing times for numerous items. Comprehensive plans were later developed to extend the use of this method to other applications, including the K-Area Shuffler and the H-Area Pu-Blending Project. While only the feasibility study for the Shuffler has been completed, implementation of the method in the H-Area Pu-Blending Project is currently in progress and has been successfully applied to multiple items. This report serves to document the details of this method in order to serve as a reference for future applications. Also contained herein are specific examples of the application of known-{alpha} multiplicity analysis.

  15. 49 CFR Appendix B to Part 240 - Procedures for Submission and Approval of Locomotive Engineer Qualification Programs

    Science.gov (United States)

    2010-10-01

    ... training program the railroad submits. This section must also state which class or classes of service the... need is satisfied in terms of the interval between attendance at such training, the nature of the... conduct training away from the railroad's own trackage, must indicate how the student will be...

  16. 17 CFR 240.17h-1T - Risk assessment recordkeeping requirements for associated persons of brokers and dealers.

    Science.gov (United States)

    2010-04-01

    ... than quarter end, of commercial paper, secured and other unsecured borrowing, bank loans, lines of...'s criteria for the determination of which loans are not current, or which are in the process of..., section 10(b) of the Home Owners' Loan Act, or section 5 of the Bank Holding Company Act of 1956...

  17. 17 CFR 240.3b-18 - Definitions of terms used in Section 3(a)(5) of the Act.

    Science.gov (United States)

    2010-04-01

    ... the value of the obligations in a pool of obligations used to back the securities issued through a grantor trust or other separate entity. (d) The term obligation means any note, draft, acceptance, loan... evidenced by the loan documents of the bank or its affiliates, other than its broker or dealer...

  18. Variations in the concentrations of Pu-239, 240 in children's teeth removed for orthodontic purposes throughout the United Kingdom

    International Nuclear Information System (INIS)

    The mean plutonium concentration measured in children's teeth samples from the U.K. was found to be 4.8 mBq.kg-1, ash, with a median of 3.6 mBq.kg-1, ash, and a range of 0.2 -21 mBq.kg-1, ash. These values are consistent with the results of other studies on plutonium in humans worldwide. Approximately 75% of the samples analysed to date had a concentration of less than 5.0 mBq.kg-1, ash. No correlation with mean annual rainfall was found, nor did there appear to be any correlation with linear distance from Sellafield. The origin of the detected plutonium could not be established directly because of the ultra-low levels involved. (author)

  19. 17 CFR 240.17g-2 - Records to be made and retained by nationally recognized statistical rating organizations.

    Science.gov (United States)

    2010-04-01

    ... publicly available on its corporate Internet Web site in an XBRL (eXtensible Business Reporting Language... the List of XBRL Tags for NRSROs as specified on the Commission's Internet Web site. (3)(i)(A) A... not limited to XBRL format, until 60 days after the date on which the Commission publishes a List...

  20. Advanced Hybrid Propulsion and Energy Management System for High Efficiency, Off Highway, 240 Ton Class, Diesel Electric Haul Trucks

    Energy Technology Data Exchange (ETDEWEB)

    Richter, Tim; Slezak, Lee; Johnson, Chris; Young, Henry; Funcannon, Dan

    2008-12-31

    The objective of this project is to reduce the fuel consumption of off-highway vehicles, specifically large tonnage mine haul trucks. A hybrid energy storage and management system will be added to a conventional diesel-electric truck that will allow capture of braking energy normally dissipated in grid resistors as heat. The captured energy will be used during acceleration and motoring, reducing the diesel engine load, thus conserving fuel. The project will work towards a system validation of the hybrid system by first selecting an energy storage subsystem and energy management subsystem. Laboratory testing at a subscale level will evaluate these selections and then a full-scale laboratory test will be performed. After the subsystems have been proven at the full-scale lab, equipment will be mounted on a mine haul truck and integrated with the vehicle systems. The integrated hybrid components will be exercised to show functionality, capability, and fuel economy impacts in a mine setting.