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Sample records for survey instrument sm

  1. Development of the physician satisfaction survey instrument.

    Science.gov (United States)

    Soo Hoo, W E; Ramer, L

    1998-01-01

    Continuous quality improvement (CQI) activities depend on valid and reliable instruments to generate data. An evaluation of internal and external customer satisfaction is one of the pillars of the CQI process. This article describes the development of a valid and reliable instrument for measuring physicians' satisfaction with the orthopedic nursing units at a major medical trauma center. The physician satisfaction survey instrument was found to be internally consistent (alpha = .95). Confirmatory factor analysis revealed that 68% of the variance in physician satisfaction scores (eigenvalue = 8.14) was explained by using a single-factor model.

  2. Star Formation & Stellar Evolution: Future Surveys & Instrumentation

    CERN Document Server

    Evans, C J

    2015-01-01

    The next generation of multi-object spectrographs (MOS) will deliver comprehensive surveys of the Galaxy, Magellanic Clouds and nearby dwarfs. These will provide us with the vast samples, spanning the full extent of the Hertzsprung-Russell diagram, that are needed to explore the chemistry, history and dynamics of their host systems. Further ahead, the Extremely Large Telescopes (ELTs) will have sufficient sensitivity and angular resolution to extend stellar spectroscopy well beyond the Local Group, opening-up studies of the chemical evolution of galaxies across a broad range of galaxy types and environments. In this contribution I briefly reflect on current and future studies of stellar populations, and introduce plans for the MOSAIC instrument for the European ELT.

  3. Advanced Camera for Surveys Instrument Handbook for Cycle 25 v. 16.0

    Science.gov (United States)

    Avila, R. J.

    2017-01-01

    The Advanced Camera for Surveys (ACS), a third-generation instrument, was installed in the Hubble Space Telescope during Servicing Mission 3B, on March 7, 2002. Its primary purpose was to increase HST imaging discovery efficiency by about a factor of 10, with a combination of detector area and quantum efficiency that surpasses previous instruments. ACS has three independent cameras that have provided wide-field, high resolution, and ultraviolet imaging capabilities respectively, using a broad assortment of filters designed to address a large range of scientific goals. In addition, coronagraphic, polarimetric, and grism capabilities have made the ACS a versatile and powerful instrument. The ACS Instrument Handbook, which is maintained by the ACS Team at STScI, descr ibes the instrument properties, performance, operations, and calibration. It is the basic technical reference manual for the instrument, and should be used with other documents (listed in Table 1.1) for writing Phase I proposals, detailed Phase II programs, and for data analysis. (See Figure 1.1). In May 2009, Servicing Mission 4 (SM4) successfully restored the ACS Wide Field Camera (WFC) to regular service after its failure in January 2007. Unfortunately, the ACS High Resolution Camera (HRC) was not restored to operation during SM4, so it cannot be proposed for new observations. Nevertheless, this handbook retains description of the HRC to support analysis of archived observations. The ACS Solar Blind Channel (SBC) was unaffected by the January 2007 failure of WFC and HRC. The SBC has remained in steady operation, and was not serviced during SM4. It remains available for new observations.

  4. The development of a clinical outcomes survey research application: Assessment CenterSM

    Science.gov (United States)

    Rothrock, Nan E.; Hanrahan, Rachel T.; Jansky, Liz J.; Harniss, Mark; Riley, William

    2013-01-01

    Introduction The National Institutes of Health sponsored Patient-Reported Outcome Measurement Information System (PROMIS) aimed to create item banks and computerized adaptive tests (CATs) across multiple domains for individuals with a range of chronic diseases. Purpose Web-based software was created to enable a researcher to create study-specific Websites that could administer PROMIS CATs and other instruments to research participants or clinical samples. This paper outlines the process used to develop a user-friendly, free, Web-based resource (Assessment CenterSM) for storage, retrieval, organization, sharing, and administration of patient-reported outcomes (PRO) instruments. Methods Joint Application Design (JAD) sessions were conducted with representatives from numerous institutions in order to supply a general wish list of features. Use Cases were then written to ensure that end user expectations matched programmer specifications. Program development included daily programmer “scrum” sessions, weekly Usability Acceptability Testing (UAT) and continuous Quality Assurance (QA) activities pre- and post-release. Results Assessment Center includes features that promote instrument development including item histories, data management, and storage of statistical analysis results. Conclusions This case study of software development highlights the collection and incorporation of user input throughout the development process. Potential future applications of Assessment Center in clinical research are discussed. PMID:20306332

  5. Higher Education and Students with Orthopedic Disabilities: A Survey Instrument.

    Science.gov (United States)

    Singh, Delar K.

    A survey instrument is presented that was used in a national survey of 160 colleges and universities to explore facilities and services to students with orthopedic disabilities. The survey contains 33 items that focus on the following areas: structural accessibility, academic accessibility, dorm-living, and recreational opportunities. The total…

  6. Urbis: Instrument ofr local environmental survey

    NARCIS (Netherlands)

    Borst, H.C.

    2000-01-01

    TNO has developed a GIS based instrument, named Urbis, which makes it possible to assess the noise situation in a municipality or region as a whole, with a high level of detail. On the basis of activity or emission data (road-traffic intensities, acoustical reports, etc.), noise loads are calculated

  7. Development of an RDECOM Workforce Motivational Survey Instrument

    Science.gov (United States)

    2016-09-01

    compensation and workplace environment structure to motivate the target generational workforce demographic to improve productivity. The deliverables from this...factors. We developed a closed-loop survey instrument and analysis methodology to identify distinct generational workforce motivational factors. Nine...United States Army Research Development and Engineering Command (RDECOM) supervisory engineers, General Schedule (GS) 14 and 15, reviewed the survey

  8. Inertial instrument system for aerial surveying

    Science.gov (United States)

    Brown, R.H.; Chapman, W.H.; Hanna, W.F.; Mongan, C.E.; Hursh, J.W.

    1985-01-01

    An inertial guidance system for aerial surveying has been developed under contract to the U.S. Geological Survey. This prototype system, known as the aerial profiling of terrain (APT) system, is designed to determine continuously the positions of points along an aircraft flight path, or the underlying terrain profile, to an accuracy of + or - 0.5 ft (15 cm) vertically and + or - 2 ft (61 cm) horizontally. The system 's objective thus is to accomplish, from a fixed-wing aircraft, what would traditionally be accomplished from ground-based topographic surveys combined with aerial photography and photogrammetry. The two-part strategy for measuring the terrain profile entails: (1) use of an inertial navigator for continuous determination of the three-coordinate position of the aircraft, and (2) use of an eye-safe pulsed laser profiler for continuous measurement of the vertical distance from aircraft to land surface, so that the desired terrain profile can then be directly computed. The APT system, installed in a DeHavilland Twin Otter aircraft, is typically flown at a speed of 115 mph (105 knots) at an altitude of 2,000 ft (610 m) above the terrain. Performance-evaluation flights have shown that the vertical and horizontal accuracy specifications are met. (USGS)

  9. Survey Instrument Validity Part I: Principles of Survey Instrument Development and Validation in Athletic Training Education Research

    Science.gov (United States)

    Burton, Laura J.; Mazerolle, Stephanie M.

    2011-01-01

    Context: Instrument validation is an important facet of survey research methods and athletic trainers must be aware of the important underlying principles. Objective: To discuss the process of survey development and validation, specifically the process of construct validation. Background: Athletic training researchers frequently employ the use of…

  10. Instrumentation

    Institute of Scientific and Technical Information of China (English)

    2015-01-01

    Journal Scope:Instrumentation is a high quality open access peer reviewed research journal.Authors are solicited to contribute to these journals by submitting articles that illustrate most up-to-date research results,projects,surveying works and industrial experiences that describe significant advances in the instrumental science.The mission of the Instrumentation is

  11. [French residents' training in instrumental deliveries: A national survey].

    Science.gov (United States)

    Saunier, C; Raimond, E; Dupont, A; Pelissier, A; Bonneau, S; Gabriel, R; Graesslin, O

    2016-11-01

    To evaluate French residents in Obstetrics and Gynaecology's training in instrumental deliveries in 2015. We conducted a national descriptive survey among 758 residents between December 2014 and January 2015. Respondents were invited by email to specify their University Hospital, their current university term, the number of instrumental deliveries performed by vacuum extractor, forceps or spatulas, and whether they made systematic ultrasound exams before performing the extraction. Response rate was 34.7 % (n=263). There were important differences between regions in terms of type of instruments used. Vacuum extractor was the most commonly used instrument for instrumental deliveries by French residents (56.9 %), more than forceps (25.2 %) and spatulas (17.9 %). At the end of the residency, all the residents had been trained in instrumental deliveries with at least two instruments. The training of difficult techniques as well as their perfect control is required for instrumental deliveries. Yet, we are forced to note that there are substantial differences in the French residents' training in instrumental deliveries depending on their region. So, teaching at least two techniques seems essential as well as improving the training capacities and standardizing practices. A greater systematization of the teaching of the mechanics and obstetric techniques might be a solution to be considered too. Copyright © 2016 Elsevier Masson SAS. All rights reserved.

  12. Applications of Calendar Instruments in Social Surveys: a review

    NARCIS (Netherlands)

    Glasner, T.J.; Vaart, van der W.

    2009-01-01

    Retrospective reports in survey interviews and questionnaires are subject to many types of recall error, which affect completeness, consistency, and dating accuracy. Concerns about this problem have led to the development of so-called calendar instruments, or timeline techniques. These aided recall

  13. The Undergraduate Instrumental Analysis Course: A Survey of Available Equipment.

    Science.gov (United States)

    Leggett, D. J.

    1981-01-01

    Reports results of a survey in which 110 universities were selected to respond to questions regarding approximate age and cost of the instruments used in three major areas: separations, spectroscopy, and electroanalysis. Respondents (N=41) also indicated which pieces of equipment were used in undergraduate courses or were used for research. (CS)

  14. Technical evaluation of available state of Nevada survey instruments

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1993-02-01

    Argonne National Laboratory (ANL) is reviewing the survey research studies completed by Mountain West Research (1987-1989) for the state of Nevada`s Nuclear Waste Project Office. In this research, 14 survey instruments were used to seek data on whether perceptions of risk could be associated with the possible siting of a high-level radioactive waste repository in Nevada and could be a dominant source of potential, significant, adverse economic impacts. This report presents results from phase 1 of the review, in which ANL contracted with the National Opinion Research Center (NORC) at the University of Chicago to evaluate the technical merits of the nine survey instruments that ANL had been able to acquire. The scope of NORC`s work was limited to rating the questions and stating their strengths and weaknesses. NORC concluded that the surveys could provide valuable data about risk perceptions and potential behavioral responses. NORC identified a few minor problems with a number of questions and the calculated response rates but claimed these problems would probably not have any major biasing effect. The NORC evaluation would have been more complete if the terms used in the questionnaires had been defined, all survey instruments had been acquired, and all data had been made available to the public.

  15. Antisocial sport behaviors survey: instrument development and initial validation.

    Science.gov (United States)

    Kaye, Miranda P; Hoar, Sharleen

    2015-04-01

    The development of a self-report instrument to measure antisocial sport behavior, labeled the Antisocial Sport Behavior Survey (ASBS), among large and diverse samples of athletes is reported. Grounded in the social cognitive theory of moral thought and action (Bandura, 1991) and interpersonal theory (Horowitz, 2004), this instrument was developed and tested in accordance with the traditions of construct validity and classical test theory (Gehlback & Brinkworth, 2011). In Phase 1, 272 college-aged competitive sport participants confirmed a theoretical structure of antisocial sport behavior including eight factors (hypercompetitive, intimidating, antagonistic, disrespectful, exploitable, overly accommodating, abetting, and melodramatic). Phase 2 reports on item development and the response structure of the instrument. In Phase 3, evidence of structural validity and external validity for the ASBS was established with 340 college-aged competitive sport participants. The ASBS presents as a promising new instrument to advance understanding of antisocial sport behavior acts committed by competitive athletes.

  16. Instrumentation

    Institute of Scientific and Technical Information of China (English)

    2016-01-01

    Journal Scope:Instrumentation is a high quality open access peer reviewed research journal.Authors are solicited to contribute to these journals by submitting articles that illustrate most up-to-date research results,projects,surveying works and industrial experiences that describe significant advances in the instrumental science.The mission of the Instrumentation is to provide a platform for the researchers,academicians,

  17. Instrument and Survey Analysis Technical Report: Program Implementation Survey. Technical Report #1112

    Science.gov (United States)

    Alonzo, Julie; Tindal, Gerald

    2011-01-01

    This technical document provides guidance to educators on the creation and interpretation of survey instruments, particularly as they relate to an analysis of program implementation. Illustrative examples are drawn from a survey of educators related to the use of the easyCBM learning system. This document includes specific sections on…

  18. Human factors survey of advanced instrumentation and controls

    Energy Technology Data Exchange (ETDEWEB)

    Carter, R.J.

    1989-01-01

    A survey oriented towards identifying the human factors issues in regard to the use of advanced instrumentation and controls (I C) in the nuclear industry was conducted. A number of United States (US) and Canadian nuclear vendors and utilities were participants in the survey. Human factors items, subsumed under the categories of computer-generated displays (CGD), controls, organizational support, training, and related topics, were discussed. The survey found the industry to be concerned about the human factors issues related to the implementation of advanced I C. Fifteen potential human factors problems were identified. They include: the need for an advanced I C guideline equivalent to NUREG-0700; a role change in the control room from operator to supervisor; information overload; adequacy of existing training technology for advanced I C; and operator acceptance and trust. 11 refs., 1 tab.

  19. Weak Lensing from Space I: Instrumentation and Survey Strategy

    Energy Technology Data Exchange (ETDEWEB)

    Rhodes, Jason; Refregier, Alexandre; Massey, Richard; Albert, Justin; Bacon, David; Bernstein, Gary; Ellis, Richard; Jain, Bhuvnesh; Kim, Alex; Lampton, Mike; McKay, Tim; Akerlof, C.; Aldering, G.; Amanullah, R.; Astier, P.; Barrelet, E.; Bebek, C.; Bergstrom, L.; Bercovitz, J.; Bester, M.; Bonissent, A.; Bower, C.; Carithers, W.; Commins, E.; Day, C.; Deustua, S.; DiGennaro, R.; Ealet, A.; Eriksson, M.; Fruchter, A.; Genat, J.-F.; Goldhaber, G.; Goobar, A.; Groom, D.; Harris, S.; Harvey, P.; Heetderks, H.; Holland, S.; Huterer, D.; Karcher, A.; Kolbe, W.; Kreiger, B.; Lafever, R.; Lamoureux, J.; Levi, M.; Devin, D.; Linder, E.; Loken, S.; Malina, R.; McKee, S.; Miquel, R.; Mortsell, E.; Mostek, N.; Mufson, S.; Musser, J.; Nugent, P.; Oluseyi, H.; Pain, R.; Palaio, N.; Pankow, D.; Perlmutter, S.; Pratt, R.; Prieto, E.; Robinson, K.; Roe, N.; Sholl, M.; Schubnell, M.; Smadja, G.; Smoot, G.; Spadafora, A.; Tarle, G.; Tomasch, A.; von der Lippe, H.; Vincent, D.; Walder, J.-P.; Wang, G.

    2003-04-23

    A wide field space-based imaging telescope is necessary to fully exploit the technique of observing dark matter via weak gravitational lensing. This first paper in a three part series outlines the survey strategies and relevant instrumental parameters for such a mission. As a concrete example of hardware design, we consider the proposed Supernova/Acceleration Probe (SNAP). Using SNAP engineering models, we quantify the major contributions to this telescope's Point Spread Function (PSF). These PSF contributions are relevant to any similar wide field space telescope. We further show that the PSF of SNAP or a similar telescope will be smaller than current ground-based PSFs, and more isotropic and stable over time than the PSF of the Hubble Space Telescope. We outline survey strategies for two different regimes - a ''wide'' 300 square degree survey and a ''deep'' 15 square degree survey that will accomplish various weak lensing goals including statistical studies and dark matter mapping.

  20. Lateral Violence in Nursing Survey: Instrument Development and Validation

    Directory of Open Access Journals (Sweden)

    Lynne S. Nemeth

    2017-07-01

    Full Text Available An examination of the psychometric properties of the Lateral Violence in Nursing Survey (LVNS, an instrument previously developed to measure the perceived incidence and severity of lateral violence (LV in the nursing workplace, was carried out. Conceptual clustering and principal components analysis were used with survey responses from 663 registered nurses and ancillary nursing staff in a southeastern tertiary care medical center. Where appropriate, Cronbach’s alpha (α evaluated internal consistency. The prevalence/severity of lateral violence items constitute two distinct subscales (LV by self and others with Cronbach’s alpha of 0.74 and 0.86, respectively. The items asking about potential causes of LV are unidimensional and internally consistent (alpha = 0.77 but there is no conceptually coherent theme underlying the various causes. Respondents rating a potential LV cause as “major” scored higher on both prevalence/severity subscales than those rating it a “minor” cause or not a cause. Subsets of items on the LVNS are internally reliable, supporting construct validity. Revisions of the original LVNS instrument will improve its use in future work.

  1. Instrumentation

    Institute of Scientific and Technical Information of China (English)

    2015-01-01

    Journal Scope:Instrumentation is a high quality open access peer reviewed research journal,Authors are solicited to contribute to these journals by submitting articles that illustrate most up-to-date research results,projects,surveying works and industrial

  2. Major Survey Findings of Listening to MothersSM III: New Mothers Speak Out

    Science.gov (United States)

    Declercq, Eugene R.; Sakala, Carol; Corry, Maureen P.; Applebaum, Sandra; Herrlich, Ariel

    2014-01-01

    To understand the experiences and views of childbearing women in the United States and trends over time, Childbirth Connection carried out the third national Listening to Mothers survey among 2,400 women who gave birth in U.S. hospitals to a single baby from mid-2011 to mid-2012 and could participate in English. A follow-up survey directed to the same participants explored postpartum experiences, in depth and well into the second year after birth; views about maternity care; and some additional pregnancy and birth items. Harris Interactive conducted the surveys using a validated methodology that includes data weighting to ensure that results closely reflect the target population. The follow-up survey was reported in Listening to Mothers III: New Mothers Speak Out. PMID:24453464

  3. Star Formation and Stellar Evolution: Future Surveys and Instrumentation

    Science.gov (United States)

    Evans, C. J.

    2016-10-01

    The next generation of multi-object spectrographs (MOS) will deliver comprehensive surveys of the Galaxy, Magellanic Clouds and nearby dwarfs. These will provide us with the vast samples, spanning the full extent of the Hertzsprung-Russell diagram, that are needed to explore the chemistry, history and dynamics of their host systems. Further ahead, the Extremely Large Telescopes (ELTs) will have sufficient sensitivity and angular resolution to extend stellar spectroscopy well beyond the Local Group, opening-up studies of the chemical evolution of galaxies across a broad range of galaxy types and environments. In this contribution I briefly reflect on current and future studies of stellar populations, and introduce plans for the MOSAIC instrument for the European ELT.

  4. New hydrologic instrumentation in the U.S. Geological Survey

    Science.gov (United States)

    Latkovich, V.J.; Shope, W.G.; ,

    1991-01-01

    New water-level sensing and recording instrumentation is being used by the U.S. Geological Survey for monitoring water levels, stream velocities, and water-quality characteristics. Several of these instruments are briefly described. The Basic Data Recorder (BDR) is an electronic data logger, that interfaces to sensor systems through a serial-digital interface standard (SDI-12), which was proposed by the data-logger industry; the Incremental Shaft Encoder is an intelligent water-level sensor, which interfaces to the BDR through the SDI-12; the Pressure Sensor is an intelligent, nonsubmersible pressure sensor, which interfaces to the BDR through the SDI-12 and monitors water levels from 0 to 50 feet; the Ultrasonic Velocity Meter is an intelligent, water-velocity sensor, which interfaces to the BDR through the SDI-12 and measures the velocity across a stream up to 500 feet in width; the Collapsible Hand Sampler can be collapsed for insertion through holes in the ice and opened under the ice to collect a water sample; the Lighweight Ice Auger, weighing only 32 pounds, can auger 6- and 8-inch holes through approximately 3.5 feet of ice; and the Ice Chisel has a specially hardened steel blade and 6-foot long, hickory D-handle.

  5. Predictions for surveys with the SPICA Mid-infrared Instrument

    CERN Document Server

    Bonato, M; Cai, Z -Y; De Zotti, G; Bressan, A; Wada, T; Kohno, K; Maiolino, R; Gruppioni, C; Pozzi, F; Lapi, A

    2015-01-01

    We present predictions for number counts and redshift distributions of galaxies detectable in continuum and in emission lines with the Mid-infrared (MIR) Instrument (SMI) proposed for the Space Infrared Telescope for Cosmology and Astrophysics (SPICA). We have considered 24 MIR fine-structure lines, four Polycyclic Aromatic Hydrocarbon (PAH) bands (at 6.2, 7.7, 8.6 and 11.3$\\mu$m) and two silicate bands (in emission and in absorption) at 9.7$\\mu$m and 18.0$\\mu$m. Six of these lines are primarily associated with Active Galactic Nuclei (AGNs), the others with star formation. A survey with the SMI spectrometers of 1 hour integration per field-of-view (FoV) over an area of $1\\,\\hbox{deg}^2$ will yield $5\\,\\sigma$ detections of $\\simeq 140$ AGN lines and of $\\simeq 5.2\\times10^{4}$ star-forming galaxies, $\\simeq 1.6\\times10^{4}$ of which will be detected in at least two lines. The combination of a shallow ($20.0\\,\\hbox{deg}^{2}$, $1.4\\times10^{-1}$ h integration per FoV) and a deep survey ($6.9\\times10^{-3}\\,\\hbox...

  6. ACS after SM4: On-orbit Verification of the HST Advanced Camera for Surveys Repair

    Science.gov (United States)

    Golimowski, David A.; Cheng, E. S.; Loose, M.; Sirianni, M.; Lupie, O. L.; Smith, L. J.; Arslanian, S.; Boyce, K. R.; Chapman, G.; Chiaberge, M.; Desjardins, T.; Dye, D.; Ellis, T.; Grogin, N. A.; Lim, P.; Lucas, R. A.; Maybhate, A.; Mil, K. J.; Mutchler, M.; Ricardo, R.; Scott, B.; Serrano, B.; Suchkov, A.; Waczynski, A.; Welty, A. D.; Wheeler, T.; Wilson, E.

    2010-01-01

    The newly replaced CCD electronics box (CEB-R) of the Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) features a programmable SIDECAR ASIC manufactured by Teledyne. The CEB-R not only restores the functionality of the ACS Wide Field Camera (WFC), but it allows optimization of the WFC's imaging performance via on-orbit adjustment of CCD bias and clock voltages and serial-data transmission timing. We describe the strategy, preparation, execution, and results of the ACS Optimization Campaign, an unprecedented on-orbit extension of ground-based integration and testing that was conducted during the HST Servicing Mission Observatory Verification period.

  7. Survey Instrument Validity Part II: Validation of a Survey Instrument Examining Athletic Trainers' Knowledge and Practice Beliefs Regarding Exertional Heat Stroke

    Science.gov (United States)

    Burton, Laura J.; Mazerolle, Stephanie M.

    2011-01-01

    Objective: The purpose of this article is to discuss the process of developing and validating an instrument to investigate an athletic trainer's attitudes and behaviors regarding the recognition and treatment of exertional heat stroke. Background: Following up from our initial paper, which discussed the process of survey instrument design and…

  8. Parents' childhood fever management: community survey and instrument development.

    Science.gov (United States)

    Walsh, Anne; Edwards, Helen; Fraser, Jenny

    2008-08-01

    This paper is a report of a study to explore Australian parents' knowledge, beliefs, practices and information sources about fever management and develop a scale to measure parents' fever management practices. Parental fever phobia and overuse of antipyretics to reduce fever continue. No scales to measure parents' fever management practices are available. A community-based, postal survey was carried out in 2005 with 401 Australian parents of well children aged 6 months-5 years. Respondents were recruited through advertising (48.4%), face-to-face (26.4%) and snowball (24.4%) methods. A 33-item instrument was developed; construct and content validity were determined by an expert panel and item reliability by test-retest. Moderate fever (40.0 +/- 1.0 degrees C) was reported to be harmful (88%), causing febrile convulsions (77.7%). Usual practices targeted temperature reduction, antipyretic administration (87.8%), temperature monitoring (52.5%). Fewer evidence-based practices, such as encouraging fluids (49.0%) and light clothing (43.8%), were reported. Positive changes over time (36.4%) included less concern and delayed or reduced antipyretic use. Negative practice changes (22.7%) included greater concern and increased antipyretic use. Medical advice was sought for illness symptoms (48.7%) and high (37.4%) or persistent (41.5%) fevers. Fever management was learnt from doctors, family and friends and working experience, while receiving conflicting information (41.9%) increased concerns and created uncertainty about best practice. Parents need consistent evidence-based information about childhood fever management. The Parental Fever Management Scale requires further testing with different populations and in different cultures and healthcare systems to evaluate its usefulness in nursing practice and research.

  9. Surveying Instruments: Their History and Classroom Use. National Council of Teachers of Mathematics, Yearbook 19 [1947].

    Science.gov (United States)

    Kiely, Edmond R.

    The first four chapters trace the history of surveying instruments from beginnings in Egypt, China, and Babylonia to Greece and Rome, then Europe, Islam, and India and finally in the Renaissance in Europe. The organization of these chapters is generally by the major areas of leveling instruments, right-angle instruments, staff combinations, and…

  10. Survey of instrumentation for environmental monitoring: major update. Volume 3. Radiation

    Energy Technology Data Exchange (ETDEWEB)

    1979-09-01

    This is the third volume of a four-volume (seven-part) series, the culmination of a comprehensive survey of instrumentation for environmental monitoring. Consideration is given to instruments and techniques presently in use and to those developed for other purposes but having possible applications to radiation monitoring. The results of the survey are given as descriptions of the physical and operating characteristics of available instruments, critical comparisons among instrumentation methods, and recommendations of promising methodology and development of new instrumentation. Information is also given regarding the pollutants to be monitored, their characteristics and forms, their sources and pathways, their effects on the ecosystem, and the means of controlling them through process and regulatory controls. The discussion is presented under sections entitled radiation sources; instrumentation: by type of radiation or instrument type; and, instrumentation for specific radionuclides. (JGB)

  11. Measuring teamwork in health care settings: a review of survey instruments.

    Science.gov (United States)

    Valentine, Melissa A; Nembhard, Ingrid M; Edmondson, Amy C

    2015-04-01

    Teamwork in health care settings is widely recognized as an important factor in providing high-quality patient care. However, the behaviors that comprise effective teamwork, the organizational factors that support teamwork, and the relationship between teamwork and patient outcomes remain empirical questions in need of rigorous study. To identify and review survey instruments used to assess dimensions of teamwork so as to facilitate high-quality research on this topic. We conducted a systematic review of articles published before September 2012 to identify survey instruments used to measure teamwork and to assess their conceptual content, psychometric validity, and relationships to outcomes of interest. We searched the ISI Web of Knowledge database, and identified relevant articles using the search terms team, teamwork, or collaboration in combination with survey, scale, measure, or questionnaire. We found 39 surveys that measured teamwork. Surveys assessed different dimensions of teamwork. The most commonly assessed dimensions were communication, coordination, and respect. Of the 39 surveys, 10 met all of the criteria for psychometric validity, and 14 showed significant relationships to nonself-report outcomes. Evidence of psychometric validity is lacking for many teamwork survey instruments. However, several psychometrically valid instruments are available. Researchers aiming to advance research on teamwork in health care should consider using or adapting one of these instruments before creating a new one. Because instruments vary considerably in the behavioral processes and emergent states of teamwork that they capture, researchers must carefully evaluate the conceptual consistency between instrument, research question, and context.

  12. Designing, Testing, and Validating an Attitudinal Survey on an Environmental Topic: A Groundwater Pollution Survey Instrument for Secondary School Students

    Science.gov (United States)

    Lacosta-Gabari, Idoya; Fernandez-Manzanal, Rosario; Sanchez-Gonzalez, Dolores

    2009-01-01

    Research in environmental attitudes' assessment has significantly increased in recent years. The development of specific attitude scales for specific environmental problems has often been proposed. This paper describes the Groundwater Pollution Test (GPT), a 19-item survey instrument using a Likert-type scale. The survey has been used with…

  13. Designing, Testing, and Validating an Attitudinal Survey on an Environmental Topic: A Groundwater Pollution Survey Instrument for Secondary School Students

    Science.gov (United States)

    Lacosta-Gabari, Idoya; Fernandez-Manzanal, Rosario; Sanchez-Gonzalez, Dolores

    2009-01-01

    Research in environmental attitudes' assessment has significantly increased in recent years. The development of specific attitude scales for specific environmental problems has often been proposed. This paper describes the Groundwater Pollution Test (GPT), a 19-item survey instrument using a Likert-type scale. The survey has been used with…

  14. Survey instruments used in clinical and epidemiological research on waterpipe tobacco smoking: a systematic review

    Directory of Open Access Journals (Sweden)

    Gunukula Sameer K

    2010-07-01

    Full Text Available Abstract Background The primary objective was to systematically review the medical literature for instruments validated for use in epidemiological and clinical research on waterpipe smoking. Methods We searched the following databases: MEDLINE, EMBASE, and ISI the Web of Science. We selected studies using a two-stage duplicate and independent screening process. We included papers reporting on the development and/or validation of survey instruments to measure waterpipe tobacco consumption or related concepts. Two reviewers used a standardized and pilot tested data abstraction form to collect data from each eligible study using a duplicate and independent screening process. We also determined the percentage of observational studies assessing the health effects of waterpipe tobacco smoking and the percentage of studies of prevalence of waterpipe tobacco smoking that have used validated survey instruments. Results We identified a total of five survey instruments. One instrument was designed to measure knowledge, attitudes, and waterpipe use among pregnant women and was shown to have internal consistency and content validity. Three instruments were designed to measure waterpipe tobacco consumption, two of which were reported to have face validity. The fifth instrument was designed to measure waterpipe dependence and was rigorously developed and validated. One of the studies of prevalence and none of the studies of health effects of waterpipe smoking used validated instruments. Conclusions A number of instruments for measuring the use of and dependence on waterpipe smoking exist. Future research should study content validity and cross cultural adaptation of these instruments.

  15. BUSINESS SURVEYS-EVALUATION INSTRUMENT OF THE EUROPEAN ECONOMIC CLIMATE

    Directory of Open Access Journals (Sweden)

    SECAREANU CONSTANTIN

    2010-07-01

    Full Text Available Business surveys or conjuncture surveys are specific statiostical researches, but complementary to traditional, official statistics.While official statistics provide quantitive information regardin the level,structure and evolution of varied economic process and phenomena, business surveys offer quality information, essential to the short term evolutional analysis of economic indicators: the diagnosis of the current situation, the timely detection of inflexion points within the economic cycle and the rapid estimation of short term tendencies of the main macroeconomic indicators (the dynamics of the gross domestic product, the index of industrial production, etc.

  16. Measuring Quality of Life: A New and Practical Survey Instrument.

    Science.gov (United States)

    Greenley, James R.; Greenberg, Jan Steven; Brown, Roger

    1997-01-01

    Presents a new, short, self-administered questionnaire that assesses the quality of life in seven areas. Evidence for the reliability and validity of the questionnaire was based on data gathered from 971 clients; results indicate instrument reliability. The questionnaire features low-cost administration and valid psychometric properties. (RJM)

  17. Language Awareness Surveys: A Rationale and Three Instruments.

    Science.gov (United States)

    Belanger, Joe

    Noting that language study (one leg of the traditional English tripod of language, literature, and composition) has received mixed attention internationally and is almost forgotten in North America, this paper presents a rationale for researching language awareness and three instruments that can be used in such research. The paper begins with…

  18. The SAMI Galaxy Survey: instrument specification and target selection

    CERN Document Server

    Bryant, J J; Robotham, A S G; Croom, S M; Driver, S P; Drinkwater, M J; Lorente, N P F; Cortese, L; Scott, N; Colless, M; Schaefer, A; Taylor, E N; Konstantopoulos, I S; Allen, J T; Baldry, I; Barnes, L; Bauer, A E; Bland-Hawthorn, J; Bloom, J V; Brooks, A M; Brough, S; Cecil, G; Couch, W; Croton, D; Davies, R; Ellis, S; Fogarty, L M R; Foster, C; Glazebrook, K; Goodwin, M; Green, A; Gunawardhana, M L; Hampton, E; Ho, I -T; Hopkins, A M; Kewley, L; Lawrence, J S; Leon-Saval, S G; Leslie, S; Lewis, G; Liske, J; Lopez-Sanchez, A R; Mahajan, S; Medling, A M; Metcalfe, N; Meyer, M; Mould, J; Obreschkow, D; O'Toole, S; Pracy, M; Richards, S N; Shanks, T; Sharp, R; Sweet, S M; Thomas, A D; Tonini, C; Walcher, C J

    2014-01-01

    The SAMI Galaxy Survey will observe 3400 galaxies with the Sydney-AAO Multi-object Integral-field spectrograph (SAMI) on the Anglo-Australian Telescope (AAT) in a 3-year survey which began in 2013. We present the throughput of the SAMI system, the science basis and specifications for the target selection, the survey observation plan and the combined properties of the selected galaxies. The survey includes four volume limited galaxy samples based on cuts in a proxy for stellar mass, along with low-stellar mass dwarf galaxies all selected from the Galaxy And Mass Assembly (GAMA) survey. The GAMA regions were selected because of the vast array of ancillary data available, including ultraviolet through to radio bands. These fields are on the celestial equator at 9, 12, and 14.5 hours, and cover a total of 144 square degrees (in GAMA-I). Higher density environments are also included with the addition of eight clusters. The clusters have spectroscopy from 2dFGRS and SDSS and photometry in regions covered by the Slo...

  19. Site survey instrumentation for the National New Technology Telescope (NNTT)

    Science.gov (United States)

    Forbes, F. F.; Morse, D. A.; Poczulp, G. A.

    1988-10-01

    The characterization of atmospheric turbulence at and above the two candidate sites for the 15 m National New Technology Telescope (NNTT) has required the development of specialized measurement techniques. The equipment used to measure astronomical seeing, microthermals, water vapor, and temperature is discussed, along with sample data and calibration results. By use of instruments with overlapping altitude coverage, it has been possible to 'bookkeep' qualitatively all of the sources of innate degradation, especially near the ground.

  20. School Leadership Preparation and Practice Survey Instruments and Their Uses

    Science.gov (United States)

    Pounder, Diana

    2012-01-01

    This article addresses the leadership preparation line of inquiry developed in the past decade by the University Council for Educational Administration/Learning and Teaching in Educational Leadership Special Interest Group Taskforce on Evaluating Leadership Preparation Programs, and it particularly addresses the series of survey instruments…

  1. Survey of instrumentation used for monitoring metals in water

    Energy Technology Data Exchange (ETDEWEB)

    Quinby-Hunt, M.S.

    1978-06-01

    A study was conducted of instrumentation used to determine metals in water. Several of the techniques most commonly used for analysis and routine determinations of metals in water are shown in Table 1. They are atomic absorption spectroscopy, both flame and flameless, atomic emission spectroscopy using conventional flame sources and inductively-coupled plasma sources, and ultraviolet-visible absorption techniques. Other less frequently employed methods are x-ray fluorescence analysis using both photon and charged particle excitation with energy-dispersive and wavelength-dispersive spectral analysis. Also electrochemical techniques and activation analysis are studied.

  2. The New Mexico Tech Extrasolar Spectroscopic Survey Instrument (NESSI)

    Science.gov (United States)

    Creech-Eakman, Michelle J.; Jurgenson, C.; Vasisht, G.; Swain, M.; Boston, P.; Santoro, F.

    2010-01-01

    We present the design and scientific objectives behind NESSI, a near-infrared spectroscopic purpose-built for studying exoplanet atmospheres. This instrument is being designed and assembled by a team of scientists and engineers at New Mexico Tech (NMT), the Magdalena Ridge Observatory (MRO) and NASA's Jet Propulsion Lab (JPL), and is scheduled for deployment in late 2010 at the MRO 2.4m telescope. NESSI's unique design is driven by recent space and ground-based NIR spectroscopy of exoplanet atmospheres by members of our team. Optimization of the instrument to achieve 0.01% relative accuracies in spectra of exoplanetary molecular constituents requires careful attention to certain design features and a new technical approach. We present an overview of NESSI's design, including the four major subassemblies: 1) a field derotator, 2) a reimaging module, 3) an optical guiding module, and 4) a multi-object spectrograph subassembly. We also present an overview of our science program specifically designed to build the community of exoplanet researchers and students in NM. The financial support of our team and NESSI itself have been made possible by a NM NASA EPSCoR grant, matching funds from the NMT administration, and internal support for the NESSI hardware from Dr. Van Romero, NMT's Research Vice-President.

  3. Application of instrumental neutron activation analysis for determining As, Br, K, La, Mn, Na and Sm in samples of pine wood; Aplicacao da analise por ativacao neutronica instrumental para determinacao de As, Br, K, La, Mn, Na e Sm em amostras de madeiras de Pinus

    Energy Technology Data Exchange (ETDEWEB)

    Oliveira, Helder de; Fernandes, Elisabete A. de Nadai; Bacchi, Marcio Arruda; Tagliaferro, Fabio Sileno [Centro de Energia Nuclear na Agricultura (CENA), Piracicaba, SP (Brazil); Sarries, Gabriel Adrian [Sao Paulo Univ., Piracicaba, SP (Brazil). Escola Superior de Agricultura Luiz de Queiroz

    1999-11-01

    Multi-elementary and considered non destructive, the neutron activation analysis is a technique that allows simultaneous and instrumental determination of several elements, becoming especially useful when it is fundamental the knowledge of the total chemical composition, as in the certification of reference materials, application in geochemistry, analyses of aerosols, determination of origin of materials, forensic analyzes and of environmental pollution. However, the dependence of reactors, or other neutrons sources, the generation of radioactive material and the time waiting needed for some determinations are the main barriers pointed int he application of that technique. The present work aimed at establishing the best conditions for the detection of elements of short half-life Br, K, La, Mn, Na and Sm in samples of wood of Pinus, because the reactor used is located distant of the laboratory where the measures of the induced radioactivity are made, to determine trace elements that possess half-lives smaller than two days. For such, suitable equations, using the Surface of Response technique in the SAS software, to minimize the uncertainties of detection of the photopeak function of the elementary concentration and as a decay time.(author) 6 refs., 3 figs., 11 tabs.

  4. The Multi-sensor Airborne Radiation Survey (MARS) Instrument

    Energy Technology Data Exchange (ETDEWEB)

    Fast, James E. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Aalseth, Craig E. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Asner, David M. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Bonebrake, Christopher A. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Day, Anthony R. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Dorow, Kevin E. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Fuller, Erin S. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Glasgow, Brian D. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Hossbach, Todd W. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Hyronimus, Brian J. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Jensen, Jeffrey L. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Johnson, Kenneth I. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Jordan, David V. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Morgen, Gerald P. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Morris, Scott J. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Mullen, O Dennis [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Myers, Allan W. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Pitts, W. Karl [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Rohrer, John S. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Runkle, Robert C. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Seifert, Allen [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Shergur, Jason M. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Stave, Sean C. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Tatishvili, Gocha [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Thompson, Robert C. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Todd, Lindsay C. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Warren, Glen A. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Willett, Jesse A. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Wood, Lynn S. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

    2013-01-11

    The Multi-sensor Airborne Radiation Survey (MARS) project has developed a new single cryostat detector array design for high purity germanium (HPGe) gama ray spectrometers that achieves the high detection efficiency required for stand-off detection and actionable characterization of radiological threats. This approach, we found, is necessary since a high efficiency HPGe detector can only be built as an array due to limitations in growing large germanium crystals. Moreover, the system is ruggedized and shock mounted for use in a variety of field applications, including airborne and maritime operations.

  5. Two valuation questions in one survey: Is it a recipe for sequencing and instrument context effects?

    Science.gov (United States)

    Giraud, K.L.; Loomis, J.B.; Johnson, R.L.

    1999-01-01

    Economic theory suggests that willingness to pay for two goods independently offered should remain unchanged when the survey instrument changes slightly. Four survey treatments consisting of comprehensive good and a subset of that good were used. The surveys alternated in the question ordering and in the embedded good which accompanied the comprehensive good. We tested for sequencing and instrument context effects using both a combined and split sample designs. In the combined sample case we found some evidence to sequencing effects in the data containing the first subset good. Likelihood ratio tests indicated that sequencing did not effect scale or location of parameters. In the test for instrument context effects, evidence was found indicating context does effect willingness to pay estimates.

  6. Instrumentation

    Energy Technology Data Exchange (ETDEWEB)

    Decreton, M

    2001-04-01

    SCK-CEN's research and development programme on instrumentation involves the assessment and the development of sensitive measurement systems used within a radiation environment. Particular emphasis is on the assessment of optical fibre components and their adaptability to radiation environments. The evaluation of ageing processes of instrumentation in fission plants, the development of specific data evaluation strategies to compensate for ageing induced degradation of sensors and cable performance form part of these activities. In 2000, particular emphasis was on in-core reactor instrumentation applied to fusion, accelerator driven and water-cooled fission reactors. This involved the development of high performance instrumentation for irradiation experiments in the BR2 reactor in support of new instrumentation needs for MYRRHA, and for diagnostic systems for the ITER reactor.

  7. Using Moodle as On-line Survey Instrument in Medical Education

    Directory of Open Access Journals (Sweden)

    Dan ISTRATE

    2013-02-01

    Full Text Available One of the principal issues in any university community is the lack of communication between community categories – leadership, administration, teaching staff and students. Sometimes is important to know in a short time the opinion of one particular group, without investing a lot of resources and without being extremely formal. The aim of this study was to test if an open-source platform – Moodle – can be used for quick surveys inside the Faculty of Medicine, UMF “Iuliu Hatieganu” Cluj-Napoca community. For this, on existing Moodle platform was installed one specific survey instrument – a questionnaire module and a survey containing a real life issue to the students of Faculty of Medicine was launched. The researchers have focused on how the specific problems of a survey - preparing of the survey, the survey process and the analysis of the results can be handle in Moodle. The pilot survey was a success; the conclusion of the study was that Moodle can be used as on-line survey instrument for that community.

  8. Instrumentation

    Energy Technology Data Exchange (ETDEWEB)

    Decreton, M

    2002-04-01

    SCK-CEN's R and D programme on instrumentation involves the development of advanced instrumentation systems for nuclear applications as well as the assessment of the performance of these instruments in a radiation environment. Particular emphasis is on the use of optical fibres as umbilincal links of a remote handling unit for use during maintanance of a fusion reacor, studies on the radiation hardening of plasma diagnostic systems; investigations on new instrumentation for the future MYRRHA accelerator driven system; space applications related to radiation-hardened lenses; the development of new approaches for dose, temperature and strain measurements; the assessment of radiation-hardened sensors and motors for remote handling tasks and studies of dose measurement systems including the use of optical fibres. Progress and achievements in these areas for 2001 are described.

  9. Instrumentation

    Energy Technology Data Exchange (ETDEWEB)

    Decreton, M

    2000-07-01

    SCK-CEN's research and development programme on instrumentation aims at evaluating the potentials of new instrumentation technologies under the severe constraints of a nuclear application. It focuses on the tolerance of sensors to high radiation doses, including optical fibre sensors, and on the related intelligent data processing needed to cope with the nuclear constraints. Main achievements in these domains in 1999 are summarised.

  10. Development and validation of a survey instrument to measure children's advertising literacy

    NARCIS (Netherlands)

    Rozendaal, E.; Opree, S.J.; Buijzen, M.A.

    2016-01-01

    The aim of this study was to develop and validate a survey measurement instrument for children's advertising literacy. Based on the multidimensional conceptualization of advertising literacy by 0056"> Rozendaal, Lapierre, Van Reijmersdal, and Buijzen (2011), 39 items were created to measure two d

  11. Establishing Educational Priorities through the Illinois Problems Index. Survey Instruments [and] User's Manual.

    Science.gov (United States)

    Illinois State Board of Education, Springfield.

    The Illinois Problems Index (IPI), a process with supporting survey instruments, enables local school districts to assess and evaluate the adequacy of current programs and services and plan improvements where problems exist. A User's Manual provides a step-by-step "walk through" of the process, while permitting alternative techniques for…

  12. Development and validation of a survey instrument to measure children's advertising literacy

    NARCIS (Netherlands)

    Rozendaal, E.; Opree, S.J.; Buijzen, M.A.

    2016-01-01

    The aim of this study was to develop and validate a survey measurement instrument for children's advertising literacy. Based on the multidimensional conceptualization of advertising literacy by 0056"> Rozendaal, Lapierre, Van Reijmersdal, and Buijzen (2011), 39 items were created to measure two

  13. Comparing NICU teamwork and safety climate across two commonly used survey instruments.

    Science.gov (United States)

    Profit, Jochen; Lee, Henry C; Sharek, Paul J; Kan, Peggy; Nisbet, Courtney C; Thomas, Eric J; Etchegaray, Jason M; Sexton, Bryan

    2016-12-01

    Measurement and our understanding of safety culture are still evolving. The objectives of this study were to assess variation in safety and teamwork climate and in the neonatal intensive care unit (NICU) setting, and compare measurement of safety culture scales using two different instruments (Safety Attitudes Questionnaire (SAQ) and Hospital Survey on Patient Safety Culture (HSOPSC)). Cross-sectional survey study of a voluntary sample of 2073 (response rate 62.9%) health professionals in 44 NICUs. To compare survey instruments, we used Spearman's rank correlation coefficients. We also compared similar scales and items across the instruments using t tests and changes in quartile-level performance. We found significant variation across NICUs in safety and teamwork climate scales of SAQ and HSOPSC (pteamwork scales (teamwork climate and teamwork within units) of the two instruments correlated strongly (safety r=0.72, pteamwork r=0.67, p<0.001). However, the means and per cent agreements for all scale scores and even seemingly similar item scores were significantly different. In addition, comparisons of scale score quartiles between the two instruments revealed that half of the NICUs fell into different quartiles when translating between the instruments. Large variation and opportunities for improvement in patient safety culture exist across NICUs. Important systematic differences exist between SAQ and HSOPSC such that these instruments should not be used interchangeably. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

  14. Instruments

    Energy Technology Data Exchange (ETDEWEB)

    Buehrer, W. [Paul Scherrer Inst. (PSI), Villigen (Switzerland)

    1996-12-31

    The present paper mediates a basic knowledge of the most commonly used experimental techniques. We discuss the principles and concepts necessary to understand what one is doing if one performs an experiment on a certain instrument. (author) 29 figs., 1 tab., refs.

  15. Understanding Teachers' Conceptions of Classroom Inquiry With a Teaching Scenario Survey Instrument

    Science.gov (United States)

    Kang, Nam-Hwa; Orgill, Marykay; Crippen, Kent J.

    2008-08-01

    A survey instrument using everyday teaching scenarios was developed to measure teacher conceptions of inquiry. Validity of the instrument was established by comparing responses for a group of secondary teachers to narrative writing and group discussion. Participating teachers used only three of the five essential features of inquiry detailed in the standards documents (NRC 2000) when expressing their ideas of classroom inquiry. The features of ‘evaluating explanations in connection with scientific knowledge’ and ‘communicating explanations’ were rarely mentioned. These missing components indicate a gap between the teachers’ conceptions of inquiry and the ideals of the reform movement.

  16. Evaluation of a Brief Survey Instrument for Assessing Subtle Differences in Cognitive Function Among Older Adults.

    Science.gov (United States)

    Kotwal, Ashwin A; Schumm, Philip; Kern, David W; McClintock, Martha K; Waite, Linda J; Shega, Joseph W; Huisingh-Scheetz, Megan J; Dale, William

    2015-01-01

    Most measures of cognitive function used in large-scale surveys of older adults have limited ability to detect subtle differences across cognitive domains, and standard clinical instruments are impractical to administer in general surveys. The Montreal Cognitive Assessment (MoCA) can address this need, but has limitations in a survey context. Therefore, we developed a survey adaptation of the MoCA, called the MoCA-SA, and describe its psychometric properties in a large national survey. Using a pretest sample of older adults (n=120), we reduced MoCA administration time by 26%, developed a model to accurately estimate full MoCA scores from the MoCA-SA, and tested the model in an independent clinical sample (n=93). The validated 18-item MoCA-SA was then administered to community-dwelling adults aged 62 to 91 as part of the National Social life Health and Aging Project Wave 2 sample (n=3196). In National Social life Health and Aging Project Wave 2, the MoCA-SA had good internal reliability (Cronbach α=0.76). Using item-response models, survey-adapted items captured a broad range of cognitive abilities and functioned similarly across sex, education, and ethnic groups. Results demonstrate that the MoCA-SA can be administered reliably in a survey setting while preserving sensitivity to a broad range of cognitive abilities and similar performance across demographic subgroups.

  17. The Dark Energy Spectroscopic Instrument (DESI): Science from the DESI Survey

    Science.gov (United States)

    Eisenstein, Daniel; DESI Collaboration

    2015-01-01

    The Dark Energy Spectroscopic Instrument (DESI) will enable an ambitious redshift survey to probe dark energy by the baryon acoustic oscillation and redshift-space distortion methods. The same data set will serve numerous other goals in cosmology and astrophysics. Using a new 5000-fiber instrument and 8 square degree field of view at the Mayall telescope, the DESI survey plans to cover 14,000 square degrees and about 25 million high-redshift objects. The targets include 4M luminous red galaxies (redshift 0.4-1.0), 18M emission line galaxies (redshift 0.6-1.6), and 2.4M quasars, including 0.7M Lyman-alpha forest sight lines. With this, DESI can map the expansion history of the Universe to redshift 3, achieving unprecedented performance from the baryon acoustic oscillation method. We will describe the present state of the survey design and the cosmological forecasts for dark energy, inflation, and neutrino physics. We also give an update on the DESI Science Collaboration.

  18. The Application of Surveying Biochemistry Light Instrument in the Reaction System of Starch with Mn3+

    Institute of Scientific and Technical Information of China (English)

    Gu Zhengbiao; Wu Jiagen

    2000-01-01

    The possibility of the application of Surveying Biochemistry Light Instrument (SBLI) in the reaction system of starch with Mn3+was studied. The results showed: neither starch nor initiator(Mn3+) could produce light because no factor that could produce light existed in them. But starch could produce light when it was acted by Mn3 + and the intensity of light depended on the kind and concentration of starch, the amount of Mn3 +, the temperature and pH of the reaction system. In addition, the intensity of light decreased with the reaction time because of the gradual disappearance of starch free radicals.

  19. Creation and Use of a Survey Instrument for Comparing Mobile Computing Devices

    Science.gov (United States)

    Macri, Jennifer M.; Lee, Paul P.; Silvey, Garry M.; Lobach, David F.

    2005-01-01

    Both personal digital assistants (PDAs) and tablet computers have emerged to facilitate data collection at the point of care. However, little research has been reported comparing these mobile computing devices in specific care settings. In this study we present an approach for comparing functionally identical applications on a Palm operating system-based PDA and a Windows-based tablet computer for point-of-care documentation of clinical observations by eye care professionals when caring for patients with diabetes. Eye-care professionals compared the devices through focus group sessions and through validated usability surveys. This poster describes the development and use of the survey instrument used for comparing mobile computing devices. PMID:16779327

  20. Assessing or Reaffirming Accreditation Criteria for the Southern Association of Colleges and Schools (SACS): Development of an Alumni Survey Instrument.

    Science.gov (United States)

    Johnson, William L.; Johnson, Annabel M.

    The "Criteria for Accreditation" (1991) and reaffirmation published by the Southern Association of Colleges and Schools were validated through a survey of alumni. The criteria were developed to assist institutions in evaluating their effectiveness. In all, 2,300 survey instruments were mailed to college alumni in the United States. Of…

  1. Predicting Student Performance in Web-Based Distance Education Courses Based on Survey Instruments Measuring Personality Traits and Technical Skills

    Science.gov (United States)

    Hall, Michael

    2008-01-01

    Two common web-based surveys, "Is Online Learning Right for Me?' and "What Technical Skills Do I Need?", were combined into a single survey instrument and given to 228 on-campus and 83 distance education students. The students were enrolled in four different classes (business, computer information services, criminal justice, and…

  2. Psychometric properties of the Dutch version of the hospital-level consumer assessment of health plans survey (R) instrument

    NARCIS (Netherlands)

    O.A. Arah; A.H.A. ten Asbroek; D.M.J. Delnoij; J.S. de Koning; P.J.A. Stam; A.H. Poll; B. Vriens; P.F. Schmidt; N.S. Klazinga

    2006-01-01

    Objectives. To assess the reliability and validity of a translated version of the American Hospital-level Consumer Assessment of Health Plans Survey (R) (H-CAHPS) instrument for use in Dutch health care. Data Sources/Study Setting. Primary survey data from adults aged 18 years or more who were recen

  3. Measuring determinants of career satisfaction of anesthesiologists: validation of a survey instrument.

    Science.gov (United States)

    Afonso, Anoushka M; Diaz, James H; Scher, Corey S; Beyl, Robbie A; Nair, Singh R; Kaye, Alan David

    2013-06-01

    To measure the parameter of job satisfaction among anesthesiologists. Survey instrument. Academic anesthesiology departments in the United States. 320 anesthesiologists who attended the annual meeting of the ASA in 2009 (95% response rate). The anonymous 50-item survey collected information on 26 independent demographic variables and 24 dependent ranked variables of career satisfaction among practicing anesthesiologists. Mean survey scores were calculated for each demographic variable and tested for statistically significant differences by analysis of variance. Questions within each domain that were internally consistent with each other within domains were identified by Cronbach's alpha ≥ 0.7. P-values ≤ 0.05 were considered statistically significant. Cronbach's alpha analysis showed strong internal consistency for 10 dependent outcome questions in the practice factor-related domain (α = 0.72), 6 dependent outcome questions in the peer factor-related domain (α = 0.71), and 8 dependent outcome questions in the personal factor-related domain (α = 0.81). Although age was not a variable, full-time status, early satisfaction within the first 5 years of practice, working with respected peers, and personal choice factors were all significantly associated with anesthesiologist job satisfaction. Improvements in factors related to job satisfaction among anesthesiologists may lead to higher early and current career satisfaction. Copyright © 2013 Elsevier Inc. All rights reserved.

  4. Survey Instruments for Knowledge, Skills, Attitudes and Behaviour Related to Evidence-based Practice in Occupational Therapy: A Systematic Review.

    Science.gov (United States)

    Buchanan, Helen; Siegfried, Nandi; Jelsma, Jennifer

    2016-06-01

    The purpose of this study was to evaluate, through a systematic review, assessment instruments for evidence-based practice (EBP). The specific objectives were to (1) identify survey instruments testing EBP knowledge, skills, attitudes and behaviour; (2) determine the attributes measured by each instrument; (3) evaluate the psychometric properties of the instruments; and (4) evaluate the methodological quality of the instruments. Using the Cochrane approach, searches were conducted in Pubmed, EBSCOHost and Scopus from inception to February 2014. Papers were screened by two independent assessors, and data were extracted by one researcher. Forty papers reporting 34 instruments met the inclusion criteria and were included in the qualitative synthesis. Most instruments measured EBP behaviour (n = 33) and attitudes (n = 21). This review provides a single source of information to enable researchers to select the most robust descriptive instruments to measure EBP learner attributes. Instruments used only with occupational therapists may have resulted in some instruments being missed. For further research, it is recommended that attention is given to developing objective instruments with a focus on knowledge and skills. Copyright © 2015 John Wiley & Sons, Ltd.

  5. Development and validation of a survey instrument for assessing prescribers' perception of computerized drug-drug interaction alerts.

    Science.gov (United States)

    Zheng, Kai; Fear, Kathleen; Chaffee, Bruce W; Zimmerman, Christopher R; Karls, Edward M; Gatwood, Justin D; Stevenson, James G; Pearlman, Mark D

    2011-12-01

    To develop a theoretically informed and empirically validated survey instrument for assessing prescribers' perception of computerized drug-drug interaction (DDI) alerts. The survey is grounded in the unified theory of acceptance and use of technology and an adapted accident causation model. Development of the instrument was also informed by a review of the extant literature on prescribers' attitude toward computerized medication safety alerts and common prescriber-provided reasons for overriding. To refine and validate the survey, we conducted a two-stage empirical validation study consisting of a pretest with a panel of domain experts followed by a field test among all eligible prescribers at our institution. The resulting survey instrument contains 28 questionnaire items assessing six theoretical dimensions: performance expectancy, effort expectancy, social influence, facilitating conditions, perceived fatigue, and perceived use behavior. Satisfactory results were obtained from the field validation; however, a few potential issues were also identified. We analyzed these issues accordingly and the results led to the final survey instrument as well as usage recommendations. High override rates of computerized medication safety alerts have been a prevalent problem. They are usually caused by, or manifested in, issues of poor end user acceptance. However, standardized research tools for assessing and understanding end users' perception are currently lacking, which inhibits knowledge accumulation and consequently forgoes improvement opportunities. The survey instrument presented in this paper may help fill this methodological gap. We developed and empirically validated a survey instrument that may be useful for future research on DDI alerts and other types of computerized medication safety alerts more generally.

  6. Measuring social exclusion in routine public health surveys: construction of a multidimensional instrument.

    Directory of Open Access Journals (Sweden)

    Addi P L van Bergen

    Full Text Available INTRODUCTION: Social exclusion is considered a major factor in the causation and maintenance of health inequalities, but its measurement in health research is still in its infancy. In the Netherlands the Institute for Social Research (SCP developed an instrument to measure the multidimensional concept of social exclusion in social and economic policy research. Here, we present a method to construct a similar measure of social exclusion using available data from public health surveys. METHODS: Analyses were performed on data from the health questionnaires that were completed by 20,877 adults in the four largest cities in the Netherlands. From each of the four questionnaires we selected the items that corresponded to those of the SCP-instrument. These were entered into a nonlinear canonical correlation analysis. The measurement properties of the resulting indices and dimension scales were assessed and compared to the SCP-instrument. RESULTS: The internal consistency of the indices and most of the dimension scales were adequate and the internal structure of the indices was as expected. Both generalisabiliy and construct validity were good: in all datasets strong associations were found between the index and a number of known risk factors of social exclusion. A limitation of content validity was that the dimension "lack of normative integration" could not be measured, because no relevant items were available. CONCLUSIONS: Our findings indicate that a measure for social exclusion can be constructed with available health questionnaires. This provides opportunities for application in public health surveillance systems in the Netherlands and elsewhere in the world.

  7. The Gaia spectrophotometric standard stars survey -II. Instrumental effects of six ground-based observing campaigns

    CERN Document Server

    Altavilla, G; Pancino, E; Galleti, S; Ragaini, S; Bellazzini, M; Cocozza, G; Bragaglia, A; Carrasco, J M; Castro, A; Di Fabrizio, L; Federici, L; Figueras, F; Gebran, M; Jordi, C; Masana, E; Schuster, W; Valentini, G; Voss, H

    2015-01-01

    The Gaia SpectroPhotometric Standard Stars (SPSS) survey started in 2006, it was awarded almost 450 observing nights, and accumulated almost 100,000 raw data frames, with both photometric and spectroscopic observations. Such large observational effort requires careful, homogeneous, and automated data reduction and quality control procedures. In this paper, we quantitatively evaluate instrumental effects that might have a significant (i.e.,$\\geq$1%) impact on the Gaia SPSS flux calibration. The measurements involve six different instruments, monitored over the eight years of observations dedicated to the Gaia flux standards campaigns: DOLORES@TNG in La Palma, EFOSC2@NTT and ROSS@REM in La Silla, CAFOS@2.2m in Calar Alto, BFOSC@Cassini in Loiano, and LaRuca@1.5m in San Pedro Martir. We examine and quantitatively evaluate the following effects: CCD linearity and shutter times, calibration frames stability, lamp flexures, second order contamination, light polarization, and fringing. We present methods to correct ...

  8. Dental Management Survey Brazil (DMS-BR): creation and validation of a management instrument

    Science.gov (United States)

    Gonzales, Paola Sampaio; Martins, Ismar Eduardo; Biazevic, Maria Gabriela Haye; Silva, Paulo Roberto da; Michel-Crosato, Edgard

    2017-04-10

    Questionnaires for the assessment of knowledge and self-perception can be useful to diagnose what a dentist knows about management and administration. The aim of the present study was to create and validate the Dental Management Survey Brazil (DMS-BR) scale, based on meetings with experts in the field. After having elaborated the first version, 10 audits were performed in dental offices in order to produce the final version, which included nine dimensions: location, patient, finance, marketing, competition, quality, staff, career, and productivity. The accuracy of the instrument was measured by intrarater and interrater reliability. In the validation phase, 247 Brazilian dentists answered a web-based questionnaire. The data were processed using Stata 13.0 and the significance level was set at 95%. The instrument had intrarater and interrater reliability (ICC-0.93 and 0.94). The overall average of respondents for the DMS-BR scale was 3.77 (SD = 0.45). Skewness and kurtosis were below absolute values 3 and 7, respectively. Internal validity measured by Cronbach's alpha was 0.925 and the correlation of each dimension with the final result of the DMS-BR ranged between 0.606 and 0.810. Correlation with the job satisfaction scale was 0.661. The SEM data ranged between 0.80 and 0.56. The questionnaire presented satisfactory indicators of dentists' self-perception about management and administration activities.

  9. Mechanical Design of NESSI: New Mexico Tech Extrasolar Spectroscopic Survey Instrument

    Science.gov (United States)

    Santoro, Fernando G.; Olivares, Andres M.; Salcido, Christopher D.; Jimenez, Stephen R.; Jurgenson, Colby A.; Hrynevych, Michael A.; Creech-Eakman, Michelle J.; Boston, Penny J.; Schmidt, Luke M.; Bloemhard, Heather; Rodeheffer, Dan; Vaive, Genevieve; Vasisht, Gautam; Swain, Mark R.; Deroo, Pieter

    2011-01-01

    NESSI: the New Mexico Tech Extrasolar Spectroscopic Survey Instrument is a ground-based multi-object spectrograph that operates in the near-infrared. It will be installed on one of the Nasmyth ports of the Magdalena Ridge Observatory (MRO) 2.4-meter Telescope sited in the Magdalena Mountains, about 48 km west of Socorro-NM. NESSI operates stationary to the telescope fork so as not to produce differential flexure between internal opto-mechanical components during or between observations. An appropriate mechanical design allows the instrument alignment to be highly repeatable and stable for both short and long observation timescales, within a wide-range of temperature variation. NESSI is optically composed of a field lens, a field de-rotator, re-imaging optics, an auto-guider and a Dewar spectrograph that operates at LN2 temperature. In this paper we report on NESSI's detailed mechanical and opto-mechanical design, and the planning for mechanical construction, assembly, integration and verification.

  10. Småhuse

    DEFF Research Database (Denmark)

    Munch-Andersen, Jørgen

    Denne SBI-anvisning indeholder vejledning om dimensionering og udførelse af almindelige småhuse med indtil 2 etager i overensstemmelse med kravene i Bygningsreglement for småhuse, 1998. Anvisningen behandler varmeisolering, fugtisolering, lydisolering, brand, vådrum, indeklima samt styrke og...

  11. A frailty instrument for primary care: findings from the Survey of Health, Ageing and Retirement in Europe (SHARE).

    LENUS (Irish Health Repository)

    Romero-Ortuno, Roman

    2010-01-01

    A frailty paradigm would be useful in primary care to identify older people at risk, but appropriate metrics at that level are lacking. We created and validated a simple instrument for frailty screening in Europeans aged ≥50. Our study is based on the first wave of the Survey of Health, Ageing and Retirement in Europe (SHARE, http:\\/\\/www.share-project.org), a large population-based survey conducted in 2004-2005 in twelve European countries.

  12. Economic instruments for obesity prevention: results of a scoping review and modified delphi survey

    Directory of Open Access Journals (Sweden)

    LaFrance Jeffrey

    2011-10-01

    Full Text Available Abstract Background Comprehensive, multi-level approaches are required to address obesity. One important target for intervention is the economic domain. The purpose of this study was to synthesize existing evidence regarding the impact of economic policies targeting obesity and its causal behaviours (diet, physical activity, and to make specific recommendations for the Canadian context. Methods Arksey and O'Malley's (2005 methodological framework for conducting scoping reviews was adopted for this study and this consisted of two phases: 1 a structured literature search and review, and 2 consultation with experts in the research field through a Delphi survey and an in-person expert panel meeting in April 2010. Results Two key findings from the scoping review included 1 consistent evidence that weight outcomes are responsive to food and beverage prices. The debate on the use of food taxes and subsidies to address obesity should now shift to how best to address practical issues in designing such policies; and 2 very few studies have examined the impact of economic instruments to promote physical activity and clear policy recommendations cannot be made at this time. Delphi survey findings emphasised the relatively modest impact any specific economic instrument would have on obesity independently. Based on empirical evidence and expert opinion, three recommendations were supported. First, to create and implement an effective health filter to review new and current agricultural polices to reduce the possibility that such policies have a deleterious impact on population rates of obesity. Second, to implement a caloric sweetened beverage tax. Third, to examine how to implement fruit and vegetable subsidies targeted at children and low income households. Conclusions In terms of economic interventions, shifting from empirical evidence to policy recommendation remains challenging. Overall, the evidence is not sufficiently strong to provide clear policy

  13. Alpinia zerumbet (Pers. B. L. Burtt & R. M. Sm. (Zingiberaceae: levantamento de publicações nas áreas farmacológica e química para o período de 1987 a 2008 Alpinia zerumbet (Pers. B. L. Burtt & R. M. Sm. (Zingiberaceae: survey of publications in pharmacological and chemical areas from 1987 to 2008

    Directory of Open Access Journals (Sweden)

    A.J.C Correa

    2010-03-01

    Full Text Available Espécie muito encontrada no nordeste do Brasil, Alpinia zerumbet (Pers. B. L. Burtt & R. M. Sm. é conhecida popularmente como colônia. Na medicina popular é utilizada como antihipertensiva, diurética e febrífuga. Alguns estudos com óleos essenciais mostram sua atividade antimicrobiana, hipotensiva e um leve efeito diurético. Visando contribuir para o maior conhecimento da espécie realizou-se uma revisão de publicações envolvendo estudos nas áreas farmacológica e química para o período de 1987 a 2008.Normally found in the northeast of Brazil, Alpinia zerumbet (Pers. B. L. Burtt. & R. M. Sm. is commonly known as "colônia". In folk medicine, it has been used as antihypertensive, diuretic and febrifuge. Some studies with essential oils have shown its antimicrobial and hypotensive activities, besides a slight diuretic effect. Aimed at improving the knowledge of such species, a survey of publications involving studies in pharmacological and chemical areas was conducted from 1987 to 2008.

  14. Ergonomics and design of laparoscopic instruments: results of a survey among laparoscopic surgeons.

    Science.gov (United States)

    Van Veelen, M A; Meijer, D W

    1999-12-01

    This study determined which types of laparoscopic instruments are most often used in Europe, why they are being used, and what problems exist while using the instruments. The handles were also evaluated according to ergonomic design criteria. A questionnaire was send to 62 experienced surgeons in 19 countries. The laparoscopic instruments were divided into four groups: instruments with similar functionality and handgrip model were grouped together. Eight questions were asked for every group about the type of instrument (disposable, reusable, or semireusable), the type of handle, the reason for using a specific instrument, and the experience of discomfort while using the instrument. The handles of the instruments of the group that were associated with the greatest discomfort were ergonomically evaluated on eight aspects (dimensions, angles, and control). Half of the questionnaires were returned. In every group, about 80% of the instruments the surgeons employed were reusable. The chief reason for using a specific type was the good cost-quality of the product and satisfying experiences with other products of the brand. The discomfort was pressure on thumb and fingers (scissors handle) and fixating the tip (ratchet). The handle of the instruments that causes the most discomfort met only three of the eight ergonomic requirements. Most of the laparoscopic instruments employed by surgeons in Europe are reusable. A significant number of the instruments cause discomfort. These instruments do not meet standard ergonomic requirements.

  15. Avionics Instrument Systems Specialist Career Ladder: AFSCs 32531, 32551, 31571, and 32591. Occupational Survey Report.

    Science.gov (United States)

    Air Force Occupational Measurement Center, Lackland AFB, TX.

    The Avionics Instrument Systems career ladder (AFSC 325X1) provides flight line and shop maintenance training on aircraft instrument systems, electromechancial instruments, components, and test equipment. Duties involve inspecting, removing, installing, repairing, operating, troubleshooting, overhauling, and modifying systems such as flight and…

  16. GASS: The Parkes Galactic All-Sky Survey. Update: improved correction for instrumental effects and new data release

    CERN Document Server

    Kalberla, Peter M W

    2015-01-01

    The Galactic All-Sky Survey is a survey of Galactic atomic hydrogen emission in the southern sky observed with the Parkes 64-m Radio Telescope. The first data release (GASS I) concerned survey goals and observing techniques, the second release (GASS II) focused on stray radiation and instrumental corrections. We seek to remove the remaining instrumental effects and present a third data release. We use the HEALPix tessellation concept to grid the data on the sphere. Individual telescope records are compared with averages on the nearest grid position for significant deviations. All averages are also decomposed into Gaussian components with the aim of segregating unacceptable solutions. Improved priors are used for an iterative baseline fitting and cleaning. In the last step we generate 3-D FITS data cubes and examine them for remaining problems. We have removed weak, but systematic baseline offsets with an improved baseline fitting algorithm. We have unraveled correlator failures that cause time dependent oscil...

  17. Development and measurement properties of the Orthotics and Prosthetics Users' Survey (OPUS): a comprehensive set of clinical outcome instruments.

    Science.gov (United States)

    Heinemann, A W; Bode, R K; O'Reilly, C

    2003-12-01

    The need to measure and evaluate orthotics and prosthetics (O&P) practice has received growing recognition in the past several years. Reliable and valid self-report instruments are needed that can help facilities evaluate patient outcomes. The objective of this project was to develop a set of self-report instruments that assess functional status, quality of life, and satisfaction with devices and services that can be used in an orthotics and prosthetics clinic. Selecting items from a variety of existing instruments, the authors developed and revised four instruments that differentiate patients with varying levels of lower limb function, quality of life, and satisfaction with devices and services. Evidence of construct validity is provided by hierarchies of item difficulty that are consistent with clinical experience. For example, with the lower limb function instrument, running one block was much more difficult than walking indoors. The instruments demonstrate adequate internal consistency (0.88 for lower limb function, 0.88 for quality of life, 0.74 for service satisfaction, 0.78 for device satisfaction). The next steps in their research programme are to evaluate sensitivity and construct validity. The Orthotics and Prosthetics Users' Survey (OPUS) is a promising self-report instrument which may, with further development, allow orthotic and prosthetic practitioners to evaluate the quality and effectiveness of their services as required by accreditation standards such as those of the American Board for Certification in Orthotics and Prosthetics that mandate quality assessment.

  18. Draft Genome Sequences of Stenotrophomonas maltophilia Strains Sm32COP, Sm41DVV, Sm46PAILV, SmF3, SmF22, SmSOFb1, and SmCVFa1, Isolated from Different Manures in France

    Science.gov (United States)

    Bodilis, Josselin; Youenou, Benjamin; Briolay, Jérome; Brothier, Elisabeth; Favre-Bonté, Sabine

    2016-01-01

    Stenotrophomonas maltophilia is a major opportunistic human pathogen responsible for nosocomial infections. Here, we report the draft genome sequences of Sm32COP, Sm41DVV, Sm46PAILV, SmF3, SmF22, SmSOFb1, and SmCVFa1, isolated from different manures in France, which provide insights into the genetic determinism of intrinsic or acquired antibiotic resistance in this species. PMID:27540065

  19. New Instruments for Survey: on Line Softwares for 3d Recontruction from Images

    Science.gov (United States)

    Fratus de Balestrini, E.; Guerra, F.

    2011-09-01

    3d scanning technologies had a significant development and have been widely used in documentation of cultural, architectural and archeological heritages. Modern methods of three-dimensional acquiring and modeling allow to represent an object through a digital model that combines visual potentialities of images (normally used for documentation) to the accuracy of the survey, becoming at the same time support for the visualization that for metric evaluation of any artefact that have an historical or artistic interest, opening up new possibilities for cultural heritage's fruition, cataloging and study. Despite this development, because of the small catchment area and the 3D laser scanner's sophisticated technologies, the cost of these instruments is very high and beyond the reach of most operators in the field of cultural heritages. This is the reason why they have appeared low-cost technologies or even free, allowing anyone to approach the issues of acquisition and 3D modeling, providing tools that allow to create three-dimensional models in a simple and economical way. The research, conducted by the Laboratory of Photogrammetry of the University IUAV of Venice, of which we present here some results, is intended to figure out whether, with Arc3D, it is possible to obtain results that can be somehow comparable, in therms of overall quality, to those of the laser scanner, and/or whether it is possible to integrate them. They were carried out a series of tests on certain types of objects, models made with Arc3D, from raster images, were compared with those obtained using the point clouds from laser scanner. We have also analyzed the conditions for an optimal use of Arc3D: environmental conditions (lighting), acquisition tools (digital cameras) and type and size of objects. After performing the tests described above, we analyzed the patterns generated by Arc3D to check what other graphic representations can be obtained from them: orthophotos and drawings. The research

  20. NEW INSTRUMENTS FOR SURVEY: ON LINE SOFTWARES FOR 3D RECONTRUCTION FROM IMAGES

    Directory of Open Access Journals (Sweden)

    E. Fratus de Balestrini

    2012-09-01

    Full Text Available 3d scanning technologies had a significant development and have been widely used in documentation of cultural, architectural and archeological heritages. Modern methods of three-dimensional acquiring and modeling allow to represent an object through a digital model that combines visual potentialities of images (normally used for documentation to the accuracy of the survey, becoming at the same time support for the visualization that for metric evaluation of any artefact that have an historical or artistic interest, opening up new possibilities for cultural heritage's fruition, cataloging and study. Despite this development, because of the small catchment area and the 3D laser scanner's sophisticated technologies, the cost of these instruments is very high and beyond the reach of most operators in the field of cultural heritages. This is the reason why they have appeared low-cost technologies or even free, allowing anyone to approach the issues of acquisition and 3D modeling, providing tools that allow to create three-dimensional models in a simple and economical way. The research, conducted by the Laboratory of Photogrammetry of the University IUAV of Venice, of which we present here some results, is intended to figure out whether, with Arc3D, it is possible to obtain results that can be somehow comparable, in therms of overall quality, to those of the laser scanner, and/or whether it is possible to integrate them. They were carried out a series of tests on certain types of objects, models made with Arc3D, from raster images, were compared with those obtained using the point clouds from laser scanner. We have also analyzed the conditions for an optimal use of Arc3D: environmental conditions (lighting, acquisition tools (digital cameras and type and size of objects. After performing the tests described above, we analyzed the patterns generated by Arc3D to check what other graphic representations can be obtained from them: orthophotos and drawings

  1. Understanding nature's particle accelerators using high energy gamma-ray survey instruments

    Science.gov (United States)

    Abeysekara, Anushka Udara

    Nature's particle accelerators, such as Pulsars, Pulsar Wind Nebulae, Active Galactic Nuclei and Supernova Remnants accelerate charged particles to very high energies that then produce high energy photons. The particle acceleration mechanisms and the high energy photon emission mechanisms are poorly understood phenomena. These mechanisms can be understood either by studying individual sources in detail or, alternatively, using the collective properties of a sample of sources. Recent development of GeV survey instruments, such as Fermi-LAT, and TeV survey instruments, such as Milagro, provides a large sample of high energy gamma-ray flux measurements from galactic and extra-galactic sources. In this thesis I provide constraints on GeV and TeV radiation mechanisms using the X-ray-TeV correlations and GeV-TeV correlations. My data sample was obtained from three targeted searches for extragalactic sources and two targeted search for galactic sources, using the existing Milagro sky maps. The first extragalactic candidate list consists of Fermi-LAT GeV extragalactic sources, and the second extragalactic candidate list consists of TeVCat extragalactic sources that have been detected by Imaging Atmospheric Cerenkov Telescopes (IACTs). In both extragalactic candidate lists Markarian 421 was the only source detected by Milagro. A comparison between the Markarian 421 time-averaged flux, measured by Milagro, and the flux measurements of transient states, measured by IACTs, is discussed. The third extragalactic candidate list is a list of potential TeV emitting BL Lac candidates that was synthesized using X-ray observations of BL Lac objects and a Synchrotron Self-Compton model. Milagro's sensitivity was not sufficient to detect any of those candidates. However, the 95% confidence flux upper limits of those sources were above the predicted flux. Therefore, these results provide evidence to conclude that the Synchrotron Self-Compton model for BL Lac objects is still a viable

  2. Development and Validation of an Instrument for Assessing Climate Change Knowledge and Perceptions: The Climate Stewardship Survey (CSS)

    OpenAIRE

    Scott L. WALKER; McNeal, Karen S

    2013-01-01

    The Climate Stewardship Survey (CSS) was developed to measure knowledge and perceptions of global climate change, while also considering information sources that respondents ‘trust.’ The CSS was drafted using a three-stage approach: development of salient scales, writing individual items, and field testing and analyses. Construct validity and alpha-level reliability was conducted on the 122-item test instrument to produce a refined 84-item CSS.  The field tested C...

  3. Temperature performance of portable radiation survey instruments used for environmental monitoring and clean-up activities in Fukushima

    Science.gov (United States)

    Saegusa, Jun; Yanagisawa, Kayo; Hasumi, Atsushi; Shimizu, Takenori; Uchita, Yoshiaki

    2017-08-01

    Following the Fukushima Dai-ichi Nuclear Power Plant accident in March 2011, extensive radiation monitoring and environmental clean-up activities have been conducted throughout the Fukushima region. Outside air temperatures there reach 40 °C in summer and -20 °C in winter, which are beyond the quoted operational range of many radiation survey instruments. Herein, temperature performance of four types of portable Japanese radiation survey instruments widely used in Fukushima was experimentally investigated using a temperature-controlled chamber. They included two ionization chamber type instruments, Fuji NHA1 and Aloka ICS-323C, and two NaI(Tl) scintillation type ones, Fuji NHC7 and Aloka TCS-172B. Experimental results showed significantly diverse characteristics on the temperature dependences from one type of instrument to another. For example, NHA1 overestimated the ambient dose-equivalent rate by as much as 17% at -30 °C and 10% at 40 °C, whereas the TCS-172B readings underestimated the rate by 30% at -30 °C and 7% at 40 °C.

  4. Program Evaluation Using the Project Dakota Parent Satisfaction Survey. A Manual for Administration and Interpretation of Findings Using a Validated Instrument.

    Science.gov (United States)

    Kovach, JoAnne; Jacks, Robert

    This manual presents an instrument (the Dakota Parent Satisfaction Survey) and procedures for evaluating parent satisfaction with early intervention programs. The survey procedures have been used to evaluate seven early intervention programs each year since 1985. Development of the Survey is discussed, including the identification of program…

  5. Nutrition knowledge and Mediterranean diet adherence in the southeast United States: Validation of a field-based survey instrument.

    Science.gov (United States)

    Bottcher, Mary Rose; Marincic, Patricia Z; Nahay, Katie L; Baerlocher, Brittany E; Willis, Amy W; Park, Jieun; Gaillard, Philippe; Greene, Michael W

    2017-04-01

    The Mediterranean diet (MD) can reduce chronic disease risk and is a recommended diet for prevention and management of diabetes. Adherence to the MD in the southeast United States where obesity and diabetes are highly prevalent is unknown. The purpose of the present study was to: 1) construct a survey instrument relevant to the general population integrating both MD related nutrition knowledge and adherence questions from previously validated instruments, and 2) assess MD related nutrition knowledge and adherence in a sample population in the southest United States. Adherance was assessed using the validated short MD Adherence Screener (MEDAS). A MD nutrition knowledge (MDNK) questionnaire was developed from previously validated general nutrition knowledge questionnaires and was validated using 127 university students enrolled in three courses with varying levels of nutrition education. Cronbach's α for internal validity of MDNK was acceptable for a short questionnaire (0.653). Test-retest reliability was established (r = 0.853). Field validation of the three-part survey instrument (MEDAS, MDNK and demographic questions) was subsequently performed in 230 adults shopping at supermarkets and farmers markets in eastern Alabama. Total MDNK and MEDAS scores were significantly higher in students with formal nutrition education and in patrons of farmers markets. Greater MD adherence, assessed by dividing MEDAS scores into thirds, was found with increasing formal nutrition education in university students (p = 0.002) and in farmers market participants (p < 0.001). There was a weak but significant association between MDNK and MEDAS scores within university students and participants in the field. Together, the MDNK-MEDAS survey instrument is an effective tool for assessing baseline knowledge and adherence and can be used to target nutritional interventions to improve MD adherence for prevention and management of diabetes and other chronic disease.

  6. Measuring children's self-reported sport participation, risk perception and injury history: development and validation of a survey instrument.

    Science.gov (United States)

    Siesmaa, Emma J; Blitvich, Jennifer D; White, Peta E; Finch, Caroline F

    2011-01-01

    Despite the health benefits associated with children's sport participation, the occurrence of injury in this context is common. The extent to which sport injuries impact children's ongoing involvement in sport is largely unknown. Surveys have been shown to be useful for collecting children's injury and sport participation data; however, there are currently no published instruments which investigate the impact of injury on children's sport participation. This study describes the processes undertaken to assess the validity of two survey instruments for collecting self-reported information about child cricket and netball related participation, injury history and injury risk perceptions, as well as the reliability of the cricket-specific version. Face and content validity were assessed through expert feedback from primary and secondary level teachers and from representatives of peak sporting bodies for cricket and netball. Test-retest reliability was measured using a sample of 59 child cricketers who completed the survey on two occasions, 3-4 weeks apart. Based on expert feedback relating to face and content validity, modification and/or deletion of some survey items was undertaken. Survey items with low test-retest reliability (κ≤0.40) were modified or deleted, items with moderate reliability (κ=0.41-0.60) were modified slightly and items with higher reliability (κ≥0.61) were retained, with some undergoing minor modifications. This is the first survey of its kind which has been successfully administered to cricketers aged 10-16 years to collect information about injury risk perceptions and intentions for continued sport participation. Implications for its generalisation to other child sport participants are discussed.

  7. Assessing the Learning Environment for Medical Students: An Evaluation of a Novel Survey Instrument in Four Medical Schools.

    Science.gov (United States)

    Pololi, Linda H; Evans, Arthur T; Nickell, Leslie; Reboli, Annette C; Coplit, Lisa D; Stuber, Margaret L; Vasiliou, Vasilia; Civian, Janet T; Brennan, Robert T

    2017-06-01

    A practical, reliable, and valid instrument is needed to measure the impact of the learning environment on medical students' well-being and educational experience and to meet medical school accreditation requirements. From 2012 to 2015, medical students were surveyed at the end of their first, second, and third year of studies at four medical schools. The survey assessed students' perceptions of the following nine dimensions of the school culture: vitality, self-efficacy, institutional support, relationships/inclusion, values alignment, ethical/moral distress, work-life integration, gender equity, and ethnic minority equity. The internal reliability of each of the nine dimensions was measured. Construct validity was evaluated by assessing relationships predicted by our conceptual model and prior research. Assessment was made of whether the measurements were sensitive to differences over time and across institutions. Six hundred and eighty-six students completed the survey (49 % women; 9 % underrepresented minorities), with a response rate of 89 % (range over the student cohorts 72-100 %). Internal consistency of each dimension was high (Cronbach's α 0.71-0.86). The instrument was able to detect significant differences in the learning environment across institutions and over time. Construct validity was supported by demonstrating several relationships predicted by our conceptual model. The C-Change Medical Student Survey is a practical, reliable, and valid instrument for assessing the learning environment of medical students. Because it is sensitive to changes over time and differences across institution, results could potentially be used to facilitate and monitor improvements in the learning environment of medical students.

  8. The Mathematics Attitudes and Perceptions Survey: an instrument to assess expert-like views and dispositions among undergraduate mathematics students

    Science.gov (United States)

    Code, Warren; Merchant, Sandra; Maciejewski, Wes; Thomas, Matthew; Lo, Joseph

    2016-08-01

    One goal of an undergraduate education in mathematics is to help students develop a productive disposition towards mathematics. A way of conceiving of this is as helping mathematical novices transition to more expert-like perceptions of mathematics. This conceptualization creates a need for a way to characterize students' perceptions of mathematics in authentic educational settings. This article presents a survey, the Mathematics Attitudes and Perceptions Survey (MAPS), designed to address this need. We present the development of the MAPS instrument and its validation on a large (N = 3411) set of student data. Results from various MAPS implementations corroborate results from analogous instruments in other STEM disciplines. We present these results and highlight some in particular: MAPS scores correlate with course grades; students tend to move away from expert-like orientations over a semester or year of taking a mathematics course; and interactive-engagement type lectures have less of a negative impact, but no positive impact, on students' overall orientations than traditional lecturing. We include the MAPS instrument in this article and suggest ways in which it may deepen our understanding of undergraduate mathematics education.

  9. The Cloud2SM Project

    Science.gov (United States)

    Crinière, Antoine; Dumoulin, Jean; Mevel, Laurent; Andrade-Barosso, Guillermo; Simonin, Matthieu

    2015-04-01

    From the past decades the monitoring of civil engineering structure became a major field of research and development process in the domains of modelling and integrated instrumentation. This increasing of interest can be attributed in part to the need of controlling the aging of such structures and on the other hand to the need to optimize maintenance costs. From this standpoint the project Cloud2SM (Cloud architecture design for Structural Monitoring with in-line Sensors and Models tasking), has been launched to develop a robust information system able to assess the long term monitoring of civil engineering structures as well as interfacing various sensors and data. The specificity of such architecture is to be based on the notion of data processing through physical or statistical models. Thus the data processing, whether material or mathematical, can be seen here as a resource of the main architecture. The project can be divided in various items: -The sensors and their measurement process: Those items provide data to the main architecture and can embed storage or computational resources. Dependent of onboard capacity and the amount of data generated it can be distinguished heavy and light sensors. - The storage resources: Based on the cloud concept this resource can store at least two types of data, raw data and processed ones. - The computational resources: This item includes embedded "pseudo real time" resources as the dedicated computer cluster or computational resources. - The models: Used for the conversion of raw data to meaningful data. Those types of resources inform the system of their needs they can be seen as independents blocks of the system. - The user interface: This item can be divided in various HMI to assess maintaining operation on the sensors or pop-up some information to the user. - The demonstrators: The structures themselves. This project follows previous research works initiated in the European project ISTIMES [1]. It includes the infrared

  10. Nearest Neighbor Averaging and its Effect on the Critical Level and Minimum Detectable Concentration for Scanning Radiological Survey Instruments that Perform Facility Release Surveys.

    Energy Technology Data Exchange (ETDEWEB)

    Fournier, Sean Donovan; Beall, Patrick S; Miller, Mark L

    2014-08-01

    Through the SNL New Mexico Small Business Assistance (NMSBA) program, several Sandia engineers worked with the Environmental Restoration Group (ERG) Inc. to verify and validate a novel algorithm used to determine the scanning Critical Level (L c ) and Minimum Detectable Concentration (MDC) (or Minimum Detectable Areal Activity) for the 102F scanning system. Through the use of Monte Carlo statistical simulations the algorithm mathematically demonstrates accuracy in determining the L c and MDC when a nearest-neighbor averaging (NNA) technique was used. To empirically validate this approach, SNL prepared several spiked sources and ran a test with the ERG 102F instrument on a bare concrete floor known to have no radiological contamination other than background naturally occurring radioactive material (NORM). The tests conclude that the NNA technique increases the sensitivity (decreases the L c and MDC) for high-density data maps that are obtained by scanning radiological survey instruments.

  11. Use of electronic microprocessor-based instrumentation by the U.S. geological survey for hydrologic data collection

    Science.gov (United States)

    Shope, William G.; ,

    1991-01-01

    The U.S. Geological Survey is acquiring a new generation of field computers and communications software to support hydrologic data-collection at field locations. The new computer hardware and software mark the beginning of the Survey's transition from the use of electromechanical devices and paper tapes to electronic microprocessor-based instrumentation. Software is being developed for these microprocessors to facilitate the collection, conversion, and entry of data into the Survey's National Water Information System. The new automated data-collection process features several microprocessor-controlled sensors connected to a serial digital multidrop line operated by an electronic data recorder. Data are acquired from the sensors in response to instructions programmed into the data recorder by the user through small portable lap-top or hand-held computers. The portable computers, called personal field computers, also are used to extract data from the electronic recorders for transport by courier to the office computers. The Survey's alternative to manual or courier retrieval is the use of microprocessor-based remote telemetry stations. Plans have been developed to enhance the Survey's use of the Geostationary Operational Environmental Satellite telemetry by replacing the present network of direct-readout ground stations with less expensive units. Plans also provide for computer software that will support other forms of telemetry such as telephone or land-based radio.

  12. A systematic survey instrument translation process for multi-country, comparative health workforce studies

    NARCIS (Netherlands)

    Squires, A.; Aiken, L.H.; Heede, K. Van den; Sermeus, W.; Bruyneel, L.; Lindqvist, R.; Schoonhoven, L.; Stromseng, I.; Busse, R.; Brzostek, T.; Ensio, A.; Moreno-Casbas, M.; Rafferty, A.M.; Schubert, M.; Zikos, D.; Matthews, A.

    2013-01-01

    BACKGROUND: As health services research (HSR) expands across the globe, researchers will adopt health services and health worker evaluation instruments developed in one country for use in another. This paper explores the cross-cultural methodological challenges involved in translating HSR in the

  13. Measuring patient experiences with diabetes care in The Netherlands: the validity of a new survey instrument.

    NARCIS (Netherlands)

    Asbroek, G. ten; Delnoij, D.M.J.; Arah, O.A.; Sixma, H.; Koning, J.S. de; Rupp, I.; Poll, A.; Stam, P.J.A.; Schmidt, P.; Vriens, B.; Klazinga, N.S.

    2005-01-01

    Background: The introduction of market mechanisms in Dutch healthcare engages insurance companies in competition. Patient experience surveys are increasingly applied to generate performance information guiding consumers and insurers to choose and contract high performers, as well as holding them acc

  14. GASS: The Parkes Galactic All-Sky Survey. Update: improved correction for instrumental effects and new data release

    Science.gov (United States)

    Kalberla, P. M. W.; Haud, U.

    2015-06-01

    Context. The Galactic All-Sky Survey (GASS) is a survey of Galactic atomic hydrogen (H i) emission in the southern sky observed with the Parkes 64-m Radio Telescope. The first data release (GASS I) concerned survey goals and observing techniques, the second release (GASS II) focused on stray radiation and instrumental corrections. Aims: We seek to remove the remaining instrumental effects and present a third data release. Methods: We use the HEALPix tessellation concept to grid the data on the sphere. Individual telescope records are compared with averages on the nearest grid position for significant deviations. All averages are also decomposed into Gaussian components with the aim of segregating unacceptable solutions. Improved priors are used for an iterative baseline fitting and cleaning. In the last step we generate 3D FITS data cubes and examine them for remaining problems. Results: We have removed weak, but systematic baseline offsets with an improved baseline fitting algorithm. We have unraveled correlator failures that cause time dependent oscillations; errors cause stripes in the scanning direction. The remaining problems from radio frequency interference (RFI) are spotted. Classifying the severeness of instrumental errors for each individual telescope record (dump) allows us to exclude bad data from averages. We derive parameters that allow us to discard dumps without compromising the noise of the resulting data products too much. All steps are reiterated several times: in each case, we check the Gaussian parameters for remaining problems and inspect 3D FITS data cubes visually. We find that in total ~1.5% of the telescope dumps need to be discarded in addition to ~0.5% of the spectral channels that were excluded in GASS II. Conclusions: The new data release (GASS III) facilitates data products with improved quality. A new web interface, compatible with the previous version, is available for download of GASS III FITS cubes and spectra.

  15. Survey Instrument Development for Consumer Perception Testing to RTE Product in Convenience Store

    Directory of Open Access Journals (Sweden)

    Dyah Lestari Widaningrum

    2015-09-01

    Full Text Available Global trade and the abolition of trade barriers lead to the proliferation of imported food products such as various types of fast food products (RTE: ready-to-eat food sold by convenience stores mainly scattered in Jakarta. The question is what causes consumers choose certain convenience store to buy RTE Product and not choose another outlet category. To understand consumer perceptions, it is necessary to develop an instrument for measuring consumer perceptions of the option to purchase RTE Product at convenience stores. Variables used in this research are the perception and knowledge of the public/consumers against food safety, store attributes, service, and product attributes. The instrument used in this study is a questionnaire with a scalemeasuring1-5 to see the relationship between variables, we used the method of Structural Equation Modeling (SEM. The sample used in this study was 223 respondents that were divided into five areas in Jakarta, namely Central Jakarta, West Jakarta, South Jakarta, East Jakarta, and North Jakarta. The final outcome of the instrument development process was 25 observed variables, consisting of 4 indicators, which valid and reliable, with T-values for each observed variable is above 2,58, and Construct Reliability values range between 0,76 to 0,853.

  16. Proposing a survey instrument for measuring operational, formal, information and strategic Internet skills

    NARCIS (Netherlands)

    Deursen, van A.J.A.M.; Dijk, van J.A.G.M.; Peters, O.

    2012-01-01

    Observational studies prove to be very suitable to provide a realistic view of people's Internet skills. However, their cost and time are a strong limitation for large-scale data gathering. A useful addition to the measurement of Internet skills would be the development of survey questions for measu

  17. The Calern Asteroid Polarimetric Survey using the Torino polarimeter: assessment of instrument performances and first scientific results

    Science.gov (United States)

    Devogèle, M.; Cellino, A.; Bagnulo, S.; Rivet, J. P.; Bendjoya, P.; Abe, L.; Pernechele, C.; Massone, G.; Vernet, D.; Tanga, P.; Dimur, C.

    2017-03-01

    A new polarimeter based on the wedged double Wollaston concept has been built at the Torino Observatory and installed on a 1-m telescope at the Calern observing station of the Observatoire de la Côte d'Azur, France. Its main purpose is to carry out a polarimetric survey of minor Solar system objects, which is called the Calern Asteroid Polarimetric Survey. In this paper, we describe the new Torino polarimeter and the results of preliminary scientific validation tests. A number of standard stars with known polarization states, as well as a number of asteroids for which the polarimetric properties are known, have been observed in order to assess the instrument's accuracy. The instrumental polarization has been found to be stable within a few 10-4 units. A total of 124 new polarimetric observation of 78 asteroids are presented. In the case of asteroids already observed in the past, the new data are in agreement with available phase-polarization curves with error bars smaller than most previously published data. We also present data for 21 asteroids that have never been observed before in polarimetry.

  18. Survey of Hospitals and Manufacturers of Biomedical Instrumentation Concerning Variables Related to the Development and Implementation of a Bio-Med Instrumentation Technologist Curriculum.

    Science.gov (United States)

    Schaumberg, Gary F.

    The Bio-Med Instrumentation Technologist Questionnaire was sent to 105 hospitals in the Southern California area that had electronic instrumentation for patient monitoring purposes. Sixty completed questionnaires were returned. Twenty manufacturers of bio-medical instrumentation were sent the questionnaires and seven responded. Some of the…

  19. Development and testing of a survey instrument to measure benefits of a nursing information system.

    Science.gov (United States)

    Abdrbo, Amany A; Zauszniewski, Jaclene A; Hudak, Christine A; Anthony, Mary K

    2011-01-01

    Information systems (IS) benefits for nurses are outcomes related to the tangible products or improvements that nurses realize from using IS. This study examined the development and psychometric testing of a measure of nurses' benefits from IS. A random sample of 570 nurses working in hospitals, providing direct patient care, and using IS completed the study questionnaire. The internal consistency reliability of the results was .97. Exploratory factor analysis, using principal components extraction and varimax rotation, revealed items loaded on four factors (saving time and efficiency, quality of care, charting, and professional practice) that were confirmed by confirmatory factor analysis. Continued refinement of the instrument is needed with more diverse samples of nurses.

  20. Organizational member involvement in physical activity coalitions across the United States: development and testing of a novel survey instrument for assessing coalition functioning.

    Science.gov (United States)

    Bornstein, Daniel B; Pate, Russell R; Beets, Michael W; Saunders, Ruth P; Blair, Steven N

    2015-06-01

    Coalitions are often composed of member organizations. Member involvement is thought to be associated with coalition success. No instrument currently exists for evaluating organizational member involvement in physical activity coalitions. This study aimed to develop a survey instrument for evaluating organizational member involvement in physical activity coalitions. The study was carried out in three phases: (a) developing a draft survey, (b) assessing the content validity of the draft survey, and (c) assessing the underlying factor structure, reliability, and validity of the survey. A cross-sectional design was employed. In Phase 1, a team of experts in survey development produced a draft survey. In Phase 2, the content validity of the draft survey was evaluated by a panel of individuals with expertise in physical activity coalitions. In Phase 3, the survey was administered to 120 individuals on local-, state-, and national-level physical activity coalitions. Responses were subjected to an exploratory factor analysis in order to determine the survey's underlying factor structure, reliability, and validity. Phases 1 and 2yielded a survey instrument with demonstrated content validity. Phase 3 yielded a three-factor model with three subscales: Strategic Alignment, Organizational Alignment, and Providing Input. Each subscale demonstrated high internal consistency reliability and construct validity. The survey instrument developed here demonstrated sound psychometric properties and provides new insight into organizational member involvement in physical activity coalitions. This instrument may be an important tool in developing a more complete picture of coalition functioning in physical activity coalitions specifically and health-based coalitions overall. © 2014 Society for Public Health Education.

  1. Development of a respiratory protection survey instrument for occupational health nurses: an educational project.

    Science.gov (United States)

    Taormina, Deborah; Burgel, Barbara J

    2013-02-01

    The Institute of Medicine (2011) report Occupational Health Nurses and Respiratory Protection: Improving Education and Training outlined seven recommendations to improve the competency of occupational health nurses in respiratory protection. An advisory group was convened in December 2011, with stakeholder representation from the Centers for Disease Control and Prevention/National Institute for Occupational Safety and Health/National Personal Protective Technology Laboratory, American Association of Occupational Health Nurses, Inc., American Board for Occupational Health Nurses, Inc., Association of Occupational Health Professionals in Healthcare, American Nurses Association, and Institute of Medicine Standing Committee on Personal Protective Equipment for Workplace Safety and Health. The initial work of the advisory group included developing and administering a survey to assess current occupational health nurse roles and responsibilities relevant to respiratory protection. Development of the survey was led by a master's student and advisor who worked with the advisory group. The process of tool development and preliminary findings are presented in this article.

  2. A Survey of Commercially Available Chemical Agent Instrumentation for Use in the Field

    Energy Technology Data Exchange (ETDEWEB)

    Haas, J S; Alcaraz, A; Andresen, B D; Pruneda, C O

    2002-03-01

    Lawrence Livermore National Laboratory's (LLNL) Forensic Science Center (FSC) has extensive experience and capabilities in the analysis of chemical agents (CA) and related compounds as well as experience in identifying these materials in the field (i.e. samples such as those found in soils, liquids, gases). An open source survey was performed to determine viable, commercially available technology that can detect, in situ, CA and also meet field-use performance criteria as specified by the Program Management Consultant (PMC). The performance requirements of the technology include accuracy, reliability, integration onto robotics, and chemical detection sensitivities that meet required specifications. Not included in this survey are technologies and methodologies to detect CA decomposition products and related waste streams.

  3. NEW INSTRUMENTS FOR SURVEY: ON LINE SOFTWARES FOR 3D RECONTRUCTION FROM IMAGES

    OpenAIRE

    E. Fratus de Balestrini; Guerra, F.

    2012-01-01

    3d scanning technologies had a significant development and have been widely used in documentation of cultural, architectural and archeological heritages. Modern methods of three-dimensional acquiring and modeling allow to represent an object through a digital model that combines visual potentialities of images (normally used for documentation) to the accuracy of the survey, becoming at the same time support for the visualization that for metric evaluation of any artefact that have an historic...

  4. Measuring stigma among abortion providers: assessing the Abortion Provider Stigma Survey instrument.

    Science.gov (United States)

    Martin, Lisa A; Debbink, Michelle; Hassinger, Jane; Youatt, Emily; Eagen-Torkko, Meghan; Harris, Lisa H

    2014-01-01

    We explored the psychometric properties of 15 survey questions that assessed abortion providers' perceptions of stigma and its impact on providers' professional and personal lives referred to as the Abortion Provider Stigma Survey (APSS). We administered the survey to a sample of abortion providers recruited for the Providers' Share Workshop (N = 55). We then completed analyses using Stata SE/12.0. Exploratory factor analysis, which resulted in 13 retained items and identified three subscales: disclosure management, resistance and resilience, and discrimination. Stigma was salient in abortion provider's lives: they identified difficulties surrounding disclosure (66%) and felt unappreciated by society (89%). Simultaneously, workers felt they made a positive contribution to society (92%) and took pride in their work (98%). Paired t-test analyses of the pre- and post-Workshop APSS scores showed no changes in the total score. However, the Disclosure Management subscale scores were significantly lower (indicating decreased stigma) for two subgroups of participants: those over the age of 30 and those with children. This analysis is a promising first step in the development of a quantitative tool for capturing abortion providers' experiences of and responses to pervasive abortion stigma.

  5. Sm Transition Probabilities and Abundances

    CERN Document Server

    Lawler, J E; Sneden, C; Cowan, J J

    2005-01-01

    Radiative lifetimes, accurate to +/- 5%, have been measured for 212 odd-parity levels of Sm II using laser-induced fluorescence. The lifetimes are combined with branching fractions measured using Fourier-transform spectrometry to determine transition probabilities for more than 900 lines of Sm II. This work is the largest-scale laboratory study to date of Sm II transition probabilities using modern methods. This improved data set has been used to determine a new solar photospheric Sm abundance, log epsilon = 1.00 +/- 0.03, from 26 lines. The spectra of three very metal-poor, neutron-capture-rich stars also have been analyzed, employing between 55 and 72 Sm II lines per star. The abundance ratios of Sm relative to other rare earth elements in these stars are in agreement, and are consistent with ratios expected from rapid neutron-capture nucleosynthesis (the r-process).

  6. SM18 Visits and Access

    CERN Multimedia

    2012-01-01

      VISITS The rules and conditions to be followed for visits in the SM18 Hall are laid out in the EDMS 1205328 document. No visit is allowed without prior reservation.   ACCESS Special access right is needed ONLY from 7 p.m. to 7 a.m. and during week-ends. From 1 December, the current SM18 access database will be closed and a new one “SM18-OWH outside normal hours” started from scratch. Requests, via EDH SM18-OWH, will have to be duly justified.   For further information, please contact Evelyne Delucinge.

  7. [First stage of the cross-cultural adaptation of the instrument The Vulnerable Elders Survey (VES-13) to Portuguese].

    Science.gov (United States)

    Luz, Laércio Lima; Santiago, Lívia Maria; Silva, João Francisco Santos da; Mattos, Inês Echenique

    2013-03-01

    The aim of this study was to describe the initial stages of the cross-cultural adaptation of the instrument The Vulnerable Elders Survey (VES-13) for use in the context of cancer care in Brazil. Two translations into Portuguese and two back-translations into English were carried out independently, and a formal assessment of the general and referential meanings was performed in order to obtain a synthesis version. Understanding of the synthesis version was evaluated in a pretest applied to 33 patients in an oncologic hospital of the Brazilian Unified National Health System (SUS). The version was easily applied in the intended context and was well-accepted by elders. The Portuguese version of the VES-13 proved to be well understood and adequate for testing its psychometric qualities. The latter step is currently in the final phase.

  8. A survey on the high reliability software verification and validation technology for instrumentation and control in NPP.

    Energy Technology Data Exchange (ETDEWEB)

    Kwon, Kee Choon; Lee, Chang Soo; Dong, In Sook [Korea Atomic Energy Research Institute, Taejon (Korea, Republic of)

    1994-01-01

    This document presents the technical status of the software verification and validation (V and V) efforts to support developing and licensing digital instrumentation and control (I and C) systems in nuclear power plants. We have reviewed codes and standards to be concensus criteria among vendor, licensee and licenser. Then we have described the software licensing procedures under 10 CFR 50 and 10 CFR 52 of the United States cope with the licensing barrier. At last, we have surveyed the technical issues related to developing and licensing the high integrity software for digital I and C systems. These technical issues let us know the development direction of our own software V and V methodology. (Author) 13 refs., 2 figs.,.

  9. 24/7 SM slavery.

    Science.gov (United States)

    Dancer, Peter L; Kleinplatz, Peggy J; Moser, Charles

    2006-01-01

    This study describes the nature of 24/7 SM slavery as practiced within the SM (sadomasochistic) community. These SM participants, who attempt to live full-time in owner-slave roles, represent a small proportion of those with SM interests. SM slaves have not been studied systematically to determine if and how they differ from other SM practitioners. An online questionnaire was used to obtain responses from individuals who self-identified as slaves. A total of 146 respondents participated, 53% female and 47% male, ranging in age from 18 to 72. We explored the depth of their relationships, how well they approximated "slavery," and how their relationships were structured to maintain distinct roles. Data showed that in long-term SM slave relationships, a power differential exists which extends beyond time-limited SM or sexual interactions. Owners and slaves often use common, daily life experiences or situations, such as the completion of household chores, money management, and morning or evening routines, to distinguish and maintain their respective roles. In addition, contrary to the perception of total submission, results revealed that slaves exercise free will when it is in their best interests to do so. These relationships were long-lasting and satisfying to the respondents.

  10. OpenSM Monitoring System

    Energy Technology Data Exchange (ETDEWEB)

    2015-04-17

    The OpenSM Monitoring System includes a collection of diagnostic and monitoring tools for use on Infiniband networks. The information this system gathers is obtained from a service, which in turn is obtained directly from the OpenSM subnet manager.

  11. Modified ERT instrumentation for geo-scientific surveys in the historical centre of Mesagne (Brindisi, Southern Italy)

    Science.gov (United States)

    Leucci, Giovanni; De Giorgi, Lara; Terenzio Gizzi, Fabrizio; Persico, Raffaele

    2016-04-01

    The town of Mesagne is one of the sites at greatest geological risk in the north Salento peninsula. In the last few decades, the historical centre of Mesagne has been affected by a series of subsidence events, which have, in some cases, resulted in the partial collapse of buildings and road surfaces. The last event was in the January 2014. It caused subsidence phenomenon in a wide area and many families have been forced from their homes. These events have had both social repercussions, causing alarm and emergency situations, and economic repercussions in terms of the expense of restoration. In order to determine the causes of the ground subsidence events, integrated geophysical surveys were undertaken in the historical centre of Mesagne. In addition, the analysis of several wells allowed the 3D model reconstruction related both to the geology and to the groundwater depth in the surveyed areas. With the purpose of estimating the dimensions of the phenomenon and its possible relationship with both specific environmental conditions (for instance groundwater depth variation) and anthropic conditions (for instance the losses in water supply and sanitation) some geophysical measurements were repeated in the time. For this purpose a modified ERT instrumentation together GPR were used. The study led to the production of a detailed description of the subsidence causes that allows a quick action to restore security conditions in the area.

  12. Major Survey Findings of Listening to Mothers(SM) III: New Mothers Speak Out: Report of National Surveys of Women's Childbearing ExperiencesConducted October-December 2012 and January-April 2013.

    Science.gov (United States)

    Declercq, Eugene R; Sakala, Carol; Corry, Maureen P; Applebaum, Sandra; Herrlich, Ariel

    2014-01-01

    To understand the experiences and views of childbearing women in the United States and trends over time, Childbirth Connection carried out the third national Listening to Mothers survey among 2,400 women who gave birth in U.S. hospitals to a single baby from mid-2011 to mid-2012 and could participate in English. A follow-up survey directed to the same participants explored postpartum experiences, in depth and well into the second year after birth; views about maternity care; and some additional pregnancy and birth items. Harris Interactive conducted the surveys using a validated methodology that includes data weighting to ensure that results closely reflect the target population. The follow-up survey was reported in Listening to Mothers III: New Mothers Speak Out.

  13. Developing a survey instrument to assess the readiness of primary care data, genetic and disease registries to conduct linked research: TRANSFoRm International Research Readiness (TIRRE survey instrument

    Directory of Open Access Journals (Sweden)

    Emily Leppenwell

    2013-05-01

    Full Text Available Background Clinical data are collected for routine care in family practice; there are also a growing number of genetic and cancer registry data repositories. The Translational Research and Patient Safety in Europe (TRANSFoRm project seeks to facilitate research using linked data from more than one source. We performed a requirements analysis which identified a wide range of data and business process requirements that need to be met before linking primary care and either genetic or disease registry data.Objectives To develop a survey to assess the readiness of data repositories to participate in linked research – the Transform International Research Readiness (TIRRE survey.Method We develop the questionnaire based on our requirement analysis; with questions at micro-, meso- and macro levels of granularity, study-specific questions about diabetes and gastro-oesophageal reflux disease (GORD, and research track record. The scope of the data required was extensive. We piloted this instrument, conducting ten preliminary telephone interviews to evaluate the response to the questionnaire.Results Using feedback gained from these interviews we revised the questionnaire; clarifying questions that were difficult to answer and utilising skip logic to create different series of questions for the various types of data repository. We simplified the questionnaire replacing free-text responses with yes/no or picking list options, wherever possible. We placed the final questionnaire online and encouraged its use (www.clininf.eu/jointirre/info.html.Conclusion Limited field testing suggests that TIRRE is capable of collecting comprehensive and relevant data about the suitability and readiness of data repositories to participate in linked data research.

  14. Structure-function analysis and genetic interactions of the SmG, SmE, and SmF subunits of the yeast Sm protein ring.

    Science.gov (United States)

    Schwer, Beate; Kruchten, Joshua; Shuman, Stewart

    2016-09-01

    A seven-subunit Sm protein ring forms a core scaffold of the U1, U2, U4, and U5 snRNPs that direct pre-mRNA splicing. Using human snRNP structures to guide mutagenesis in Saccharomyces cerevisiae, we gained new insights into structure-function relationships of the SmG, SmE, and SmF subunits. An alanine scan of 19 conserved amino acids of these three proteins, comprising the Sm RNA binding sites or inter-subunit interfaces, revealed that, with the exception of Arg74 in SmF, none are essential for yeast growth. Yet, for SmG, SmE, and SmF, as for many components of the yeast spliceosome, the effects of perturbing protein-RNA and protein-protein interactions are masked by built-in functional redundancies of the splicing machine. For example, tests for genetic interactions with non-Sm splicing factors showed that many benign mutations of SmG, SmE, and SmF (and of SmB and SmD3) were synthetically lethal with null alleles of U2 snRNP subunits Lea1 and Msl1. Tests of pairwise combinations of SmG, SmE, SmF, SmB, and SmD3 alleles highlighted the inherent redundancies within the Sm ring, whereby simultaneous mutations of the RNA binding sites of any two of the Sm subunits are lethal. Our results suggest that six intact RNA binding sites in the Sm ring suffice for function but five sites may not.

  15. Structure–function analysis and genetic interactions of the SmG, SmE, and SmF subunits of the yeast Sm protein ring

    Science.gov (United States)

    Schwer, Beate; Kruchten, Joshua; Shuman, Stewart

    2016-01-01

    A seven-subunit Sm protein ring forms a core scaffold of the U1, U2, U4, and U5 snRNPs that direct pre-mRNA splicing. Using human snRNP structures to guide mutagenesis in Saccharomyces cerevisiae, we gained new insights into structure–function relationships of the SmG, SmE, and SmF subunits. An alanine scan of 19 conserved amino acids of these three proteins, comprising the Sm RNA binding sites or inter-subunit interfaces, revealed that, with the exception of Arg74 in SmF, none are essential for yeast growth. Yet, for SmG, SmE, and SmF, as for many components of the yeast spliceosome, the effects of perturbing protein–RNA and protein–protein interactions are masked by built-in functional redundancies of the splicing machine. For example, tests for genetic interactions with non-Sm splicing factors showed that many benign mutations of SmG, SmE, and SmF (and of SmB and SmD3) were synthetically lethal with null alleles of U2 snRNP subunits Lea1 and Msl1. Tests of pairwise combinations of SmG, SmE, SmF, SmB, and SmD3 alleles highlighted the inherent redundancies within the Sm ring, whereby simultaneous mutations of the RNA binding sites of any two of the Sm subunits are lethal. Our results suggest that six intact RNA binding sites in the Sm ring suffice for function but five sites may not. PMID:27417296

  16. Patient experience and satisfaction with inpatient service: development of short form survey instrument measuring the core aspect of inpatient experience.

    Directory of Open Access Journals (Sweden)

    Eliza L Y Wong

    Full Text Available Patient experience reflects quality of care from the patients' perspective; therefore, patients' experiences are important data in the evaluation of the quality of health services. The development of an abbreviated, reliable and valid instrument for measuring inpatients' experience would reflect the key aspect of inpatient care from patients' perspective as well as facilitate quality improvement by cultivating patient engagement and allow the trends in patient satisfaction and experience to be measured regularly. The study developed a short-form inpatient instrument and tested its ability to capture a core set of inpatients' experiences. The Hong Kong Inpatient Experience Questionnaire (HKIEQ was established in 2010; it is an adaptation of the General Inpatient Questionnaire of the Care Quality Commission created by the Picker Institute in United Kingdom. This study used a consensus conference and a cross-sectional validation survey to create and validate a short-form of the Hong Kong Inpatient Experience Questionnaire (SF-HKIEQ. The short-form, the SF-HKIEQ, consisted of 18 items derived from the HKIEQ. The 18 items mainly covered relational aspects of care under four dimensions of the patient's journey: hospital staff, patient care and treatment, information on leaving the hospital, and overall impression. The SF-HKIEQ had a high degree of face validity, construct validity and internal reliability. The validated SF-HKIEQ reflects the relevant core aspects of inpatients' experience in a hospital setting. It provides a quick reference tool for quality improvement purposes and a platform that allows both healthcare staff and patients to monitor the quality of hospital care over time.

  17. A Frailty Instrument for primary care: findings from the Survey of Health, Ageing and Retirement in Europe (SHARE

    Directory of Open Access Journals (Sweden)

    Romero-Ortuno Roman

    2010-08-01

    Full Text Available Abstract Background A frailty paradigm would be useful in primary care to identify older people at risk, but appropriate metrics at that level are lacking. We created and validated a simple instrument for frailty screening in Europeans aged ≥50. Our study is based on the first wave of the Survey of Health, Ageing and Retirement in Europe (SHARE, http://www.share-project.org, a large population-based survey conducted in 2004-2005 in twelve European countries. Methods Subjects: SHARE Wave 1 respondents (17,304 females and 13,811 males. Measures: five SHARE variables approximating Fried's frailty definition. Analyses (for each gender: 1 estimation of a discreet factor (DFactor model based on the frailty variables using LatentGOLD®. A single DFactor with three ordered levels or latent classes (i.e. non-frail, pre-frail and frail was modelled; 2 the latent classes were characterised against a biopsychosocial range of Wave 1 variables; 3 the prospective mortality risk (unadjusted and age-adjusted for each frailty class was established on those subjects with known mortality status at Wave 2 (2007-2008 (11,384 females and 9,163 males; 4 two web-based calculators were created for easy retrieval of a subject's frailty class given any five measurements. Results Females: the DFactor model included 15,578 cases (standard R2 = 0.61. All five frailty indicators discriminated well (p N = 10,420; 66.9%, pre-frail (N = 4,025; 25.8%, and frail (N = 1,133; 7.3%. Relative to the non-frail class, the age-adjusted Odds Ratio (with 95% Confidence Interval for mortality at Wave 2 was 2.1 (1.4 - 3.0 in the pre-frail and 4.8 (3.1 - 7.4 in the frail. Males: 12,783 cases (standard R2 = 0.61, all frailty indicators had p N = 10,517; 82.3%, pre-frail (N = 1,871; 14.6%, and frail (N = 395; 3.1%; age-adjusted OR (95% CI for mortality: 3.0 (2.3 - 4.0 in the pre-frail, 6.9 (4.7 - 10.2 in the frail. Conclusions The SHARE Frailty Instrument has sufficient construct and

  18. Application of Sm0/Auxiliary and Sm0/MCln System in Organic Synthesis

    Institute of Scientific and Technical Information of China (English)

    ZHANG Yong-Min; LIU Yun-Kuia

    2001-01-01

    @@Though samarium metal itself has strong reducingpower, in most cases, certain additives are still needed when it is used as a reductant because the surface of samarium metal is inactive.Thus Sm0/auxiliary systems are proposed.The explored systems include: Sm0/I2,Sm0/TMSCl, Sm0/THF-NH4Cl (aq.), Sm0/Cp2TiCl2,Sm(Hg), Sm0/cat.KI etc.

  19. SM*A*S*H

    CERN Document Server

    Ringwald, Andreas

    2016-01-01

    We present a minimal model for particle physics and cosmology. The Standard Model (SM) particle content is extended by three right-handed SM-singlet neutrinos N_i and a vector-like quark Q, all of them being charged under a global lepton number and Peccei-Quinn (PQ) U(1) symmetry which is spontaneously broken by the vacuum expectation value v_sigma around 10^{11} GeV of a SM-singlet complex scalar field sigma. Five fundamental problems -- neutrino oscillations, baryogenesis, dark matter, inflation, strong CP problem -- are solved at one stroke in this model, dubbed "SM*A*S*H" (Standard Model*Axion*Seesaw*Higgs portal inflation). It can be probed decisively by upcoming cosmic microwave background and axion dark matter experiments.

  20. Development and pilot testing of an Internet-based survey instrument to measure the alcohol brand preferences of U.S. youth.

    Science.gov (United States)

    Siegel, Michael; DiLoreto, Joanna; Johnson, Andrea; Fortunato, Erin K; DeJong, William

    2011-04-01

    Although we know a great deal about the percentage of youth who drink alcohol, we know very little about the specific brands they choose to drink. This information gap needs to be addressed if public health officials are to develop more effective interventions. Unfortunately, there are no national youth surveys that collect data on alcohol brand consumption. In this paper, we describe the development and pilot testing of what we believe to be the first comprehensive, Internet-based youth survey of brand-specific alcohol use. We used online advertising in 3 U.S. cities to recruit a convenience sample of 241 respondents, ages 16 to 18 years. We used Craigslist, a network of online communities that features local classified advertisements, to recruit the sample. We used SurveyGizmo, an online software program for designing Internet surveys, collecting data, and performing basic analysis, to survey these respondents about their brand-specific alcohol consumption patterns. The survey instrument assessed each respondent's 30-day drinking history, including the frequency of consumption for each alcohol brand. Using Internet survey technology, we were able to collect information on 366 brands and still have respondents complete the instrument quickly and easily. The total number of brands consumed in the past 30 days ranged from 1 to 18, with a median of 4 brands. The top 5 brands consumed were beer brands, as were eleven of the top 15 brands. The remaining 4 brands in the top 15 included 3 brands of flavored alcoholic beverages and 1 brand of mixed drink. Among the top 15 alcohol brands consumed during heavy drinking episodes were 8 brands of beer, 4 brands of flavored alcoholic beverages, 2 brands of wine, and 1 brand of mixed drink. This pilot study helps establish the feasibility of including brand-specific questions on federal or other national youth alcohol surveys. Copyright © 2011 by the Research Society on Alcoholism.

  1. GIFTS SM EDU Radiometric and Spectral Calibrations

    Science.gov (United States)

    Tian, J.; Reisse, R. a.; Johnson, D. G.; Gazarik, J. J.

    2007-01-01

    The Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS) Sensor Module (SM) Engineering Demonstration Unit (EDU) is a high resolution spectral imager designed to measure infrared (IR) radiance using a Fourier transform spectrometer (FTS). The GIFTS instrument gathers measurements across the long-wave IR (LWIR), short/mid-wave IR (SMWIR), and visible spectral bands. The raw interferogram measurements are radiometrically and spectrally calibrated to produce radiance spectra, which are further processed to obtain atmospheric profiles via retrieval algorithms. This paper describes the processing algorithms involved in the calibration. The calibration procedures can be subdivided into three categories: the pre-calibration stage, the calibration stage, and finally, the post-calibration stage. Detailed derivations for each stage are presented in this paper.

  2. Results of a healthcare worker (HCW) survey on environmental awareness as an instrument for the preparation of an environmental report for the University Medicine Greifswald.

    Science.gov (United States)

    Heiden, Jens-Uwe; Kramer, Axel; Bornewasser, Manfred; Lemanski, Sandra; Below, Harald

    2011-01-01

    Environmental reporting is increasingly important for medical facilities. Currently, hospitals can determine the content of an environmental report as they see fit. To examine the utility and scope of an employee survey as an instrument for the preparation of an environmental report at the University Hospital Greifswald. For this purpose a questionnaire was developed with a focus on environmental behaviour and the significance attached to the protection of the environment. The employees of the University Medicine Greifswald attach an unexpectedly high significance to the protection of the environment. Based on this finding, this potential should be used to promote the optimal implementation of ecological-economic behaviour within the University Medicine. An employee survey is a useful instrument in the preparation of an environmental report.

  3. Evaluation of the two non-consecutive 24-h recall instrument for pan-European food consumption surveys

    NARCIS (Netherlands)

    Crispim, S.P.

    2011-01-01

    Background: The comparability of food consumption data originating from national nutritional surveys in Europe is currently hampered because of different methodologies used. Therefore, experts in the European Food Consumption Survey Method (EFCOSUM) consortium proposed to use two non-consecutive

  4. Smøremekanismer ved mekanisk formgivning

    DEFF Research Database (Denmark)

    Bech, Jakob Ilsted; Bay, Niels; Eriksen, Morten

    1997-01-01

    I dette arbejde undersøges den Mikro Plasto Hydrodynamiske smøremekanisme som optræder ved plastisk formgivning, når hydrostatisk indfanget smøremiddel i overfladelommer trænger ud i den omgivende kontakt, og skaber lokale smørefilm mellem emne og værktøj.Smøremekanismen observeres og videofilmes...

  5. Using social media to improve continuing medical education: a survey of course participants.

    Science.gov (United States)

    Wang, Amy T; Sandhu, Nicole P; Wittich, Christopher M; Mandrekar, Jayawant N; Beckman, Thomas J

    2012-12-01

    To determine continuing medical education (CME) course participants' use of social media (SM) and their attitudes about the value of SM for enhancing CME education and to examine associations between participants' characteristics and attitudes toward SM. We conducted a cross-sectional survey and validation study of 539 participants at a Mayo Clinic Internal Medicine CME course in November 2011. The Social Media Use and Perception Instrument (SMUPI) consisted of 10 items (5-point Likert scales) and categorical response options. The main outcome measures were psychometric characteristics of the SMUPI scale, course participants' use of SM, and their attitudes regarding the importance of SM for enhancing CME. Of 539 CME course participants, 327 (61%) responded to the SMUPI survey. Most respondents (291 [89%]) reported using SM, with the most common types being YouTube (189 of the 327 participants [58%]) and Facebook (163 of 327 [50%]). Factor analysis revealed a 2-dimensional assessment of course participants' attitudes. Internal consistency reliability (Cronbach α) was excellent for factor 1 (0.94), factor 2 (0.89), and overall (0.94). The CME course participants' favorable attitudes toward SM were associated with younger age (20-29 years, mean score 3.13; 30-39 years, 3.40; 40-49 years, 3.39; 50-59 years, 3.18; 60-69 years, 2.93; and ≥70 years, 2.92; P=.02), using SM frequently (never, mean score 2.49; less than once monthly, 2.75; once monthly, 3.21; weekly, 3.31; and daily, 3.81; PEducation and Research. Published by Elsevier Inc. All rights reserved.

  6. Conference Discussion: The Challenges in Multi-Object Spectroscopy Instrument and Survey Design, and in Data Processing and Analysis

    Science.gov (United States)

    Balcells, M.; Skillen, I.

    2016-10-01

    The final session of the conference Multi-Object Spectroscopy in the Next Decade: Big Questions, Large Surveys, and Wide Fields, held in La Palma 2-6 March 2015, was devoted to a discussion of the challenges in designing and operating the next-generation survey spectrographs, and planning and carrying out their massive surveys. The wide-ranging 1.5-hour debate was recorded on video tape, and in this paper we report the edited transcription of the dialog.

  7. Evaluation of the two non-consecutive 24-h recall instrument for pan-European food consumption surveys

    NARCIS (Netherlands)

    Crispim, S.P.

    2011-01-01

    Background: The comparability of food consumption data originating from national nutritional surveys in Europe is currently hampered because of different methodologies used. Therefore, experts in the European Food Consumption Survey Method (EFCOSUM) consortium proposed to use two non-consecutive 24-

  8. Standard Missile-6 (SM-6)

    Science.gov (United States)

    2016-12-01

    Cost Reporting U.S. - United States USD(AT&L) - Under Secretary of Defense (Acquisition, Technology and Logistics ) SM-6 December 2015 SAR March 17...Description 6 Executive Summary 7 Threshold Breaches 8 Schedule 9 Performance 11 Track to Budget 12 Cost and Funding 13 Low...Rate Initial Production 20 Foreign Military Sales 21 Nuclear Costs 21 Unit Cost 22 Cost Variance 25 Contracts 28 Deliveries and

  9. GIFTS SM EDU Level 1B algorithms

    Science.gov (United States)

    Tian, Jialin; Gazarik, Michael J.; Reisse, Robert A.; Johnson, David G.

    2007-10-01

    The Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS) Sensor Module (SM) Engineering Demonstration Unit (EDU) is a high resolution spectral imager designed to measure infrared (IR) radiances using a Fourier transform spectrometer (FTS). The GIFTS instrument employs three focal plane arrays (FPAs), which gather measurements across the long-wave IR (LWIR), short/mid-wave IR (SMWIR), and visible spectral bands. The raw interferogram measurements are radiometrically and spectrally calibrated to produce radiance spectra, which are further processed to obtain atmospheric profiles via retrieval algorithms. This paper describes the GIFTS SM EDU Level 1B algorithms involved in the calibration. The GIFTS Level 1B calibration procedures can be subdivided into four blocks. In the first block, the measured raw interferograms are first corrected for the detector nonlinearity distortion, followed by the complex filtering and decimation procedure. In the second block, a phase correction algorithm is applied to the filtered and decimated complex interferograms. The resulting imaginary part of the spectrum contains only the noise component of the uncorrected spectrum. Additional random noise reduction can be accomplished by applying a spectral smoothing routine to the phase-corrected spectrum. The phase correction and spectral smoothing operations are performed on a set of interferogram scans for both ambient and hot blackbody references. To continue with the calibration, we compute the spectral responsivity based on the previous results, from which, the calibrated ambient blackbody (ABB), hot blackbody (HBB), and scene spectra can be obtained. We now can estimate the noise equivalent spectral radiance (NESR) from the calibrated ABB and HBB spectra. The correction schemes that compensate for the fore-optics offsets and off-axis effects are also implemented. In the third block, we developed an efficient method of generating pixel performance assessments. In addition, a

  10. GIFTS SM EDU Level 1B Algorithms

    Science.gov (United States)

    Tian, Jialin; Gazarik, Michael J.; Reisse, Robert A.; Johnson, David G.

    2007-01-01

    The Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS) SensorModule (SM) Engineering Demonstration Unit (EDU) is a high resolution spectral imager designed to measure infrared (IR) radiances using a Fourier transform spectrometer (FTS). The GIFTS instrument employs three focal plane arrays (FPAs), which gather measurements across the long-wave IR (LWIR), short/mid-wave IR (SMWIR), and visible spectral bands. The raw interferogram measurements are radiometrically and spectrally calibrated to produce radiance spectra, which are further processed to obtain atmospheric profiles via retrieval algorithms. This paper describes the GIFTS SM EDU Level 1B algorithms involved in the calibration. The GIFTS Level 1B calibration procedures can be subdivided into four blocks. In the first block, the measured raw interferograms are first corrected for the detector nonlinearity distortion, followed by the complex filtering and decimation procedure. In the second block, a phase correction algorithm is applied to the filtered and decimated complex interferograms. The resulting imaginary part of the spectrum contains only the noise component of the uncorrected spectrum. Additional random noise reduction can be accomplished by applying a spectral smoothing routine to the phase-corrected spectrum. The phase correction and spectral smoothing operations are performed on a set of interferogram scans for both ambient and hot blackbody references. To continue with the calibration, we compute the spectral responsivity based on the previous results, from which, the calibrated ambient blackbody (ABB), hot blackbody (HBB), and scene spectra can be obtained. We now can estimate the noise equivalent spectral radiance (NESR) from the calibrated ABB and HBB spectra. The correction schemes that compensate for the fore-optics offsets and off-axis effects are also implemented. In the third block, we developed an efficient method of generating pixel performance assessments. In addition, a

  11. Absolute photoneutron cross sections of Sm isotopes

    Energy Technology Data Exchange (ETDEWEB)

    Gheorghe, I.; Glodariu, T. [National Institute for Physics and Nuclear Engineering Horia Hulubei, str. Atomistilor nr. 407 (Romania); Utsunomiya, H. [Department of Physics, Konan University, Okamoto 8-9-1, Higashinada, Kobe 658-8501 (Japan); Filipescu, D. [Extreme Light Infrastructure - Nuclear Physics, str. Atomistilor nr. 407, Bucharest-Magurele, P.O.BOX MG6 and National Institute for Physics and Nuclear Engineering Horia Hulubei, str. Atomistilor nr. 407 (Romania); Nyhus, H.-T.; Renstrom, T. [Department of Physics, University of Oslo, N-0316 Oslo (Norway); Tesileanu, O. [Extreme Light Infrastructure - Nuclear Physics, str. Atomistilor nr. 407, Bucharest-Magurele, P.O.BOX MG6 (Romania); Shima, T.; Takahisa, K. [Research Center for Nuclear Physics, Osaka University, Suita, Osaka 567-0047 (Japan); Miyamoto, S. [Laboratory of Advanced Science and Technology for Industry, University of Hyogo, 3-1-2 Kouto, Kamigori, Hyogo 678-1205 (Japan)

    2015-02-24

    Photoneutron cross sections for seven samarium isotopes, {sup 144}Sm, {sup 147}Sm, {sup 148}Sm, {sup 149}Sm, {sup 150}Sm, {sup 152}Sm and {sup 154}Sm, have been investigated near neutron emission threshold using quasimonochromatic laser-Compton scattering γ-rays produced at the synchrotron radiation facility NewSUBARU. The results are important for nuclear astrophysics calculations and also for probing γ-ray strength functions in the vicinity of neutron threshold. Here we describe the neutron detection system and we discuss the related data analysis and the necessary method improvements for adapting the current experimental method to the working parameters of the future Gamma Beam System of Extreme Light Infrastructure - Nuclear Physics facility.

  12. Trends in caesarean section and instrumental deliveries in relation to Body Mass Index: a clinical survey during 1978 - 2001

    Directory of Open Access Journals (Sweden)

    Josefsson Ann

    2010-07-01

    Full Text Available Abstract Background During the last 20 years the rate of CS has increased in Sweden as it has in many other countries. The proportion of pregnant women suffering from a high BMI has also increased rapidly during the same time period. It would therefore be of interest to study both how and if these two observations are related to each other. The aim was therefore to study trends in mode of caesarean section (CS and instrumental deliveries among women in three BMI groups over a time span of almost 25 years with special focus on the observed body weight of pregnant women. Method The design is a retrospective cohort study using medical records of consecutively delivered women at two delivery wards in South East Sweden during the years 1978, 1986, 1992, 1997 and 2001. Results No significant time-trends were found for CS and instrumental delivery within each BMI-group for the time period studied. The proportion of women with BMI ≥ 25 delivered by means of CS or instrumental delivery increased quite dramatically from 1978 to 2001 (χ2 test for trend; p Conclusion Overweight and obese pregnant women constitute a rapidly growing proportion of the total number of CS and instrumental deliveries. Planning and allocation of health resources must be adjusted to this fact and its implications.

  13. The Development of a Survey Instrument on South Dakota's School District Leadership Climate as Related to Deming's Fourteen Points.

    Science.gov (United States)

    Holmes, Lawrence W. O.; And Others

    Development of an instrument to measure baseline levels of applied Total Quality Management (TQM) practices in South Dakota before the introduction and dissemination of TQM theory to the state's educational leaders is described. Using the interpretation of Deming's 14 points that was developed by J. J. Bonstigl, a 115-item initial item pool was…

  14. Decomposizione ed s-m rappresentazione di gruppi finiti

    Directory of Open Access Journals (Sweden)

    Franco Migliorini

    1996-12-01

    Full Text Available This paper is a survey of a few previous works of the authors with other new results. We introduce a special decomposition of a finite group [semigroup] and determine its main properties. From such a decomposition one can construct, for a special class of finite groups, a set-matrix representation. The group D_4 has such a representation. Several theorems were already obtained on groups with s-m representation.

  15. The balanced scorecard as a potential instrument for supporting planning and improvement in accounting education: Comparative survey findings

    Directory of Open Access Journals (Sweden)

    CJ Cronje

    2015-04-01

    Full Text Available This paper is firstly a comparison of the components of a potential balanced scorecard for accounting departments of universities in South Africa and Australia. Secondly, the various suggested measurement criteria of the balanced scorecard components are also compared. The findings of the research paper indicate no significant differences. The conclusion is that the balanced scorecard constitutes a potential instrument for supporting the planning and improvement of the accounting education environment.

  16. Market assessment for active solar heating and cooling products. Category B: A survey of decision makers in the HVAC market place. Survey instruments

    Energy Technology Data Exchange (ETDEWEB)

    Lilien, G. L.; Johnston, P. E.

    1980-09-01

    Telephone screener questionnaires and mail-out questionnaires for marketing surveys for solar heating and cooling equipment are presented. Questionnaires are included for the residential segment, industrial segment, HVAC professionals segment, builder/developer segment, and the commercial segment. No results are reported. (WHK)

  17. Development of a Survey Instrument to Measure TEFL Academics' Perceptions about, Individual and Workplace Characteristics for Conducting Research

    Science.gov (United States)

    Bai, Li; Hudson, Peter; Millwater, Jan; Tones, Megan

    2013-01-01

    A 30-item survey was devised to determine Chinese TEFL (Teaching English as a Foreign Language) academics' potential for conducting research. A five-part Likert scale was used to gather data from 182 academics on four factors: (1) perceptions on teaching-research nexus, (2) personal perspectives for conducting research, (3) predispositions for…

  18. Relationships Among the Knowledge, Efficacy, and Practices Instrument, Color-Blind Racial Attitudes Scale, Deamonte Driver Survey, and Defining Issues Test 2.

    Science.gov (United States)

    Behar-Horenstein, Linda S; Garvan, Cynthia W

    2016-03-01

    Concordance studies indicate the degree to which instruments measure the same or similar constructs or something different. The aims of this study were to identify the factor structure of the Deamonte Driver Survey and determine the relationship between the Deamonte Driver (a measure of social class stereotyping), the Defining Issues Test 2 (DIT2; a measure of ethical sensitivity), the Color-Blind Racial Attitudes Scale (CoBRAS; a measure of racial stereotyping), and the Knowledge, Efficacy, and Practices Instrument (KEPI; a measure of cultural competence). The results showed a three-factor solution for the Deamonte Driver Survey and significant relationships between CoBRAS and DIT2 subscales and between CoBRAS and Deamonte Driver subscales. Significant relationships between the measures and exploratory variables, underrepresented minority status, age, citizenship, marital status, political stance, English as a first language, and gender were found. The lack of a significant relationship between the KEPI and Deamonte Driver, DIT2, or CoBRAS subscales suggests that the KEPI is measuring a unique construct. These findings showed how these scales contributed to the assessment of cultural competence among dental students and faculty.

  19. Sierra/SM theory manual.

    Energy Technology Data Exchange (ETDEWEB)

    Crane, Nathan Karl

    2013-07-01

    Presented in this document are the theoretical aspects of capabilities contained in the Sierra/SM code. This manuscript serves as an ideal starting point for understanding the theoretical foundations of the code. For a comprehensive study of these capabilities, the reader is encouraged to explore the many references to scientific articles and textbooks contained in this manual. It is important to point out that some capabilities are still in development and may not be presented in this document. Further updates to this manuscript will be made as these capabilites come closer to production level.

  20. An analysis of determinants influencing use of ayurvedic medication in Pune region utilizing a questionnaire survey instrument

    Directory of Open Access Journals (Sweden)

    Vyawahare Neeraj

    2009-01-01

    The survey revealed that consumption of Ayurvedic medication in Pune region is increasing, wherein safety and faith are important parameters, however, like allopathic medication; people usually stick to the prescription issued by the physician. The increasing trend of self medication and lack of knowledge of herb drug interaction especially in non graduates are the major concerns need to be addressed for better outcome of the therapy.

  1. Validation of a survey instrument to assess home environments for physical activity and healthy eating in overweight children

    Directory of Open Access Journals (Sweden)

    Crane Lori A

    2008-01-01

    Full Text Available Abstract Background Few measures exist to measure the overall home environment for its ability to support physical activity (PA and healthy eating in overweight children. The purpose of this study was to develop and test the reliability and validity of such a measure. Methods The Home Environment Survey (HES was developed to reflect availability, accessibility, parental role modelling, and parental policies related to PA resources, fruits and vegetables (F&V, and sugar sweetened drinks and snacks (SS. Parents of overweight children (n = 219 completed the HES and concurrent behavioural assessments. Children completed the Block Kids survey and wore an accelerometer for one week. A subset of parents (n = 156 completed the HES a second time to determine test-retest reliability. Finally, 41 parent dyads living in the same home (n = 41 completed the survey to determine inter-rater reliability. Initial psychometric analyses were completed to trim items from the measure based on lack of variability in responses, moderate or higher item to scale correlation, or contribution to strong internal consistency. Inter-rater and test-retest reliability were completed using intraclass correlation coefficients. Validity was assessed using Pearson correlations between the HES scores and child and parent nutrition and PA. Results Eight items were removed and acceptable internal consistency was documented for all scales (α = .66–84 with the exception of the F&V accessibility. The F&V accessibility was reduced to a single item because the other two items did not meet reliability standards. Test-retest reliability was high (r > .75 for all scales. Inter-rater reliability varied across scales (r = .22–.89. PA accessibility, parent role modelling, and parental policies were all related significantly to child (r = .14–.21 and parent (r = .15–.31 PA. Similarly, availability of F&V and SS, parental role modelling, and parental policies were related to child (r

  2. Effect of survey instrument on participation in a follow-up study: a randomization study of a mailed questionnaire versus a computer-assisted telephone interview

    Directory of Open Access Journals (Sweden)

    Rocheleau Carissa M

    2012-07-01

    Full Text Available Abstract Background Many epidemiological and public health surveys report increasing difficulty obtaining high participation rates. We conducted a pilot follow-up study to determine whether a mailed or telephone survey would better facilitate data collection in a subset of respondents to an earlier telephone survey conducted as part of the National Birth Defects Prevention Study. Methods We randomly assigned 392 eligible mothers to receive a self-administered, mailed questionnaire (MQ or a computer-assisted telephone interview (CATI using similar recruitment protocols. If mothers gave permission to contact the fathers, fathers were recruited to complete the same instrument (MQ or CATI as mothers. Results Mothers contacted for the MQ, within all demographic strata examined, were more likely to participate than those contacted for the CATI (86.6% vs. 70.6%. The median response time for mothers completing the MQ was 17 days, compared to 29 days for mothers completing the CATI. Mothers completing the MQ also required fewer reminder calls or letters to finish participation versus those assigned to the CATI (median 3 versus 6, though they were less likely to give permission to contact the father (75.0% vs. 85.8%. Fathers contacted for the MQ, however, had higher participation compared to fathers contacted for the CATI (85.2% vs. 54.5%. Fathers recruited to the MQ also had a shorter response time (median 17 days and required fewer reminder calls and letters (median 3 reminders than those completing the CATI (medians 28 days and 6 reminders. Conclusions We concluded that offering a MQ substantially improved participation rates and reduced recruitment effort compared to a CATI in this study. While a CATI has the advantage of being able to clarify answers to complex questions or eligibility requirements, our experience suggests that a MQ might be a good survey option for some studies.

  3. The Swiss Health Literacy Survey: development and psychometric properties of a multidimensional instrument to assess competencies for health

    Science.gov (United States)

    Wang, Jen; Thombs, Brett D.; Schmid, Margareta R.

    2012-01-01

    Abstract Background  Growing recognition of the role of citizens and patients in health and health care has placed a spotlight on health literacy and patient education. Objective  To identify specific competencies for health in definitions of health literacy and patient‐centred concepts and empirically test their dimensionality in the general population. Methods  A thorough review of the literature on health literacy, self‐management, patient empowerment, patient education and shared decision making revealed considerable conceptual overlap as competencies for health and identified a corpus of 30 generic competencies for health. A questionnaire containing 127 items covering the 30 competencies was fielded as a telephone interview in German, French and Italian among 1255 respondents randomly selected from the resident population in Switzerland. Findings  Analyses with the software MPlus to model items with mixed response categories showed that the items do not load onto a single factor. Multifactorial models with good fit could be erected for each of five dimensions defined a priori and their corresponding competencies: information and knowledge (four competencies, 17 items), general cognitive skills (four competencies, 17 items), social roles (two competencies, seven items), medical management (four competencies, 27 items) and healthy lifestyle (two competencies, six items). Multiple indicators and multiple causes models identified problematic differential item functioning for only six items belonging to two competencies. Conclusions  The psychometric analyses of this instrument support broader conceptualization of health literacy not as a single competence but rather as a package of competencies for health. PMID:22390287

  4. Development and testing of the Survey of Family Environment (SFE): a novel instrument to measure family functioning and needs for family support.

    Science.gov (United States)

    Hohashi, Naohiro; Honda, Junko

    2012-01-01

    Hohashi's Concentric Sphere Family Environment Model (CSFEM; Hohashi & Honda, 2011) is a newly proposed family nursing theory for holistically understanding the family environment that acts on family well-being. The purpose of this article is to develop and psychometrically test the Japanese version of the Survey of Family Environment (SFE-J), grounded in the CSFEM, for measuring family's perceived family functioning and family's perceived needs for family support. The SFE-J is a 30-item self-administered instrument that assesses five domains (suprasystem, macrosystem, microsystem, family internal environment system, and chronosystem) and has been subjected to rigorous reliability and validity investigations among paired partners in child-rearing families (N of family = 1,990). Internal consistency reliability was high as measured by Cronbach's alpha coefficients. Temporal stability over a 2-week interval was supported by high (substantial or perfect) and significant intraclass correlation coefficients. The total score for the SFE-J was significantly correlated with the Japanese version of the Feetham Family Functioning Survey (FFFS-J), indicating an acceptable concurrent validity. Construct validity was supported by a confirmatory factor analysis that evaluated the five-factor structure to measure the concept of CSFEM. Results also demonstrate that the SFE-J family functioning scores show no significant differences between paired partners. The SFE-J is a reliable and valid instrument to assess not only intrafamily functioning but also interfamily functioning and, by identifying items/domains with high requirements for family support, serves to facilitate the providing of appropriate support to families.

  5. Distinguishing a SM-like MSSM Higgs boson from SM Higgs boson at muon collider

    Indian Academy of Sciences (India)

    Jai Kumar Singhal; Sardar Singh; Ashok K Nagawat

    2007-06-01

    We explore the possibility of distinguishing the SM-like MSSM Higgs boson from the SM Higgs boson via Higgs boson pair production at future muon collider. We study the behavior of the production cross-section in SM and MSSM with Higgs boson mass for various MSSM parameters tan and A. We observe that at fixed CM energy, in the SM, the total cross-section increases with the increase in Higgs boson mass whereas this trend is reversed for the MSSM. The changes that occur for the MSSM in comparison to the SM predictions are quantified in terms of the relative percentage deviation in cross-section. The observed deviations in cross-section for different choices of Higgs boson masses suggest that the measurements of the cross-section could possibly distinguish the SM-like MSSM Higgs boson from the SM Higgs boson.

  6. On the role of Sm in solidification of Al-Sm metallic glasses

    CERN Document Server

    Bokas, G B; Perepezko, J H; Szlufarska, I

    2016-01-01

    During the solidification of Al-Sm metallic glasses the evolution of the supercooled liquid atomic structure has been identified with an increasing population of icosahedral-like clusters with increasing Sm concentration. These clusters exhibit slower kinetics compared to the remaining clusters in the liquid leading to enhanced amorphous phase stability and glass forming ability (GFA). Maximum icosahedral-ordering and atomic packing density have been found for the Al90Sm10 and Al85Sm15 alloys, respectively, whereas minimum cohesive energy has been found for the Al93Sm7 which is consistent with the range of compositions (from Al92Sm8 to Al84Sm16) found experimentally with high GFA.

  7. Instrumentation in Earthquake Seismology

    Science.gov (United States)

    Havskov, Jens; Alguacil, Gerardo

    Here is unique and comprehensive coverage of modern seismic instrumentation, based on the authors' practical experience of a quarter-century in seismology and geophysics. Their goal is to provide not only detailed information on the basics of seismic instruments but also to survey equipment on the market, blending this with only the amount of theory needed to understand the basic principles. Seismologists and technicians working with seismological instruments will find here the answers to their practical problems.

  8. [Survey of analytical works for drugs at emergency and critical care centers with high-performance instruments provided by the Ministry of Health and Welfare (at present: Ministry of Health, Labour, and Welfare) in fiscal 1998--continuation of survey with 2008 survey results as point of reference].

    Science.gov (United States)

    Saito, Takeshi; Tominaga, Aya; Nozawa, Mayu; Unei, Hiroko; Hatano, Yayoi; Fujita, Yuji; Iseki, Ken; Hori, Yasushi

    2013-09-01

    In a 2008 survey of the 73 emergency and critical care centers around the nation that were equipped with the drug and chemical analytical instrument provided by the Ministry of Welfare (currently the Ministry of Health, Labour, and Welfare) in 1998, 36 of those facilities were using the analytical instruments. Of these 36 facilities, a follow-up survey of the 17 facilities that recorded 50 or analyses per year. Responses were gained from 16 of the facilities and we learned that of those, 14 facilities (87.5%) were conducting analyses using the instrument. There was a positive mutual correlation between the annual number of cases of the 14 facilities conducting analyses with the instrument and the number of work hours. Depending on the instrument in use, average analytical instrument parts and maintenance expenses were roughly three million yen and consumables required a maximum three million yen for analysis of 51-200 cases per year. From this, we calculate that such expenses can be covered under the allowed budget for advanced emergency and critical care centers of 5,000 NHI points (1 point = 10 yen). We found there were few facilities using the instrument for all 15 of the toxic substances recommended for testing by the Japanese Society for Clinical Toxicology. There tended to be no use of the analytical instrument for compounds with no toxicology cases. However, flexible responses were noted at each facility in relation to frequently analyzed compounds. It is thought that a reevaluation of compounds subject to analysis is required.

  9. Cs3Sm7Se12

    Directory of Open Access Journals (Sweden)

    Christof Schneck

    2012-01-01

    Full Text Available The title compound, tricaesium heptasamarium(III dodecaselenide, is setting a new starting point for realization of the channel structure of the Cs3M7Se12 series, now with M = Sm, Gd–Er. This Cs3Y7Se12-type arrangement is structurally based on the Z-type sesquiselenides M2Se3 adopting the Sc2S3 structure. Thus, the structural set-up of Cs3Sm7Se12 consists of edge- and vertex-connected [SmSe6]9− octahedra [dØ(Sm3+ – Se2− = 2.931 Å], forming a rock-salt-related network [Sm7Se12]3− with channels along [001] that are apt to take up monovalent cations (here Cs+ with coordination numbers of 7 + 1 for one and of 6 for the second cation. The latter cation has a trigonal–prismatic coordination and shows half-occupancy, resulting in an impossible short distance [2.394 (4 Å] between symmetrically coupled Cs+ cations of the same kind. While one Sm atom occupies Wyckoff position 2b with site symmetry ..2/m, all other 11 crystallographically different atoms (namely 2 × Cs, 3 × Sm and 6 × Se are located at Wyckoff positions 4g with site symmetry ..m.

  10. Cs(3)Sm(7)Se(12).

    Science.gov (United States)

    Schneck, Christof; Elbe, Andreas; Schurz, Christian M; Schleid, Thomas

    2012-01-01

    The title compound, tricaesium hepta-samarium(III) dodeca-selenide, is setting a new starting point for realization of the channel structure of the Cs(3)M(7)Se(12) series, now with M = Sm, Gd-Er. This Cs(3)Y(7)Se(12)-type arrangement is structurally based on the Z-type sesquiselenides M(2)Se(3) adopting the Sc(2)S(3) structure. Thus, the structural set-up of Cs(3)Sm(7)Se(12) consists of edge- and vertex-connected [SmSe(6)](9-) octa-hedra [d(Ø)(Sm(3+) - Se(2-)) = 2.931 Å], forming a rock-salt-related network [Sm(7)Se(12)](3-) with channels along [001] that are apt to take up monovalent cations (here Cs(+)) with coordination numbers of 7 + 1 for one and of 6 for the second cation. The latter cation has a trigonal-prismatic coordination and shows half-occupancy, resulting in an impossible short distance [2.394 (4) Å] between symmetrically coupled Cs(+) cations of the same kind. While one Sm atom occupies Wyckoff position 2b with site symmetry ..2/m, all other 11 crystallographically different atoms (namely 2 × Cs, 3 × Sm and 6 × Se) are located at Wyckoff positions 4g with site symmetry ..m.

  11. SM-ROM-GL (Strong Motion Romania Ground Level Database

    Directory of Open Access Journals (Sweden)

    Ioan Sorin BORCIA

    2015-07-01

    Full Text Available The SM-ROM-GL database includes data obtained by the processing of records performed at ground level by the Romanian seismic networks, namely INCERC, NIEP, NCSRR and ISPH-GEOTEC, during recent seismic events with moment magnitude Mw ≥ 5 and epicenters located in Romania. All the available seismic records were re-processed using the same basic software and the same procedures and options (filtering and baseline correction, in order to obtain a consistent dataset. The database stores computed parameters of seismic motions, i.e. peak values: PGA, PGV, PGD, effective peak values: EPA, EPV, EPD, control periods, spectral values of absolute acceleration, relative velocity and relative displacement, as well as of instrumental intensity (as defined bz Sandi and Borcia in 2011. The fields in the database include: coding of seismic events, stations and records, a number of associated fields (seismic event source parameters, geographical coordinates of seismic stations, links to the corresponding ground motion records, charts of the response spectra of absolute acceleration, relative velocity, relative displacement and instrumental intensity, as well as some other representative parameters of seismic motions. The conception of the SM-ROM-GL database allows for an easy maintenance; such that elementary knowledge of Microsoft Access 2000 is sufficient for its operation.

  12. GIFTS SM EDU Data Processing and Algorithms

    Science.gov (United States)

    Tian, Jialin; Johnson, David G.; Reisse, Robert A.; Gazarik, Michael J.

    2007-01-01

    The Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS) Sensor Module (SM) Engineering Demonstration Unit (EDU) is a high resolution spectral imager designed to measure infrared (IR) radiances using a Fourier transform spectrometer (FTS). The GIFTS instrument employs three Focal Plane Arrays (FPAs), which gather measurements across the long-wave IR (LWIR), short/mid-wave IR (SMWIR), and visible spectral bands. The raw interferogram measurements are radiometrically and spectrally calibrated to produce radiance spectra, which are further processed to obtain atmospheric profiles via retrieval algorithms. This paper describes the processing algorithms involved in the calibration stage. The calibration procedures can be subdivided into three stages. In the pre-calibration stage, a phase correction algorithm is applied to the decimated and filtered complex interferogram. The resulting imaginary part of the spectrum contains only the noise component of the uncorrected spectrum. Additional random noise reduction can be accomplished by applying a spectral smoothing routine to the phase-corrected blackbody reference spectra. In the radiometric calibration stage, we first compute the spectral responsivity based on the previous results, from which, the calibrated ambient blackbody (ABB), hot blackbody (HBB), and scene spectra can be obtained. During the post-processing stage, we estimate the noise equivalent spectral radiance (NESR) from the calibrated ABB and HBB spectra. We then implement a correction scheme that compensates for the effect of fore-optics offsets. Finally, for off-axis pixels, the FPA off-axis effects correction is performed. To estimate the performance of the entire FPA, we developed an efficient method of generating pixel performance assessments. In addition, a random pixel selection scheme is designed based on the pixel performance evaluation.

  13. SURVEY

    DEFF Research Database (Denmark)

    SURVEY er en udbredt metode og benyttes inden for bl.a. samfundsvidenskab, humaniora, psykologi og sundhedsforskning. Også uden for forskningsverdenen er der mange organisationer som f.eks. konsulentfirmaer og offentlige institutioner samt marketingsafdelinger i private virksomheder, der arbejder...... med surveys. Denne bog gennemgår alle surveyarbejdets faser og giver en praktisk indføring i: • design af undersøgelsen og udvælgelse af stikprøver, • formulering af spørgeskemaer samt indsamling og kodning af data, • metoder til at analysere resultaterne...

  14. A shorter 146Sm half-life measured and implications for 146Sm-142Nd chronology in the solar system.

    Science.gov (United States)

    Kinoshita, N; Paul, M; Kashiv, Y; Collon, P; Deibel, C M; DiGiovine, B; Greene, J P; Henderson, D J; Jiang, C L; Marley, S T; Nakanishi, T; Pardo, R C; Rehm, K E; Robertson, D; Scott, R; Schmitt, C; Tang, X D; Vondrasek, R; Yokoyama, A

    2012-03-30

    The extinct p-process nuclide (146)Sm serves as an astrophysical and geochemical chronometer through measurements of isotopic anomalies of its α-decay daughter (142)Nd. Based on analyses of (146)Sm/(147)Sm α-activity and atom ratios, we determined the half-life of (146)Sm to be 68 ± 7 (1σ) million years, which is shorter than the currently used value of 103 ± 5 million years. This half-life value implies a higher initial (146)Sm abundance in the early solar system, ((146)Sm/(144)Sm)(0) = 0.0094 ± 0.0005 (2σ), than previously estimated. Terrestrial, lunar, and martian planetary silicate mantle differentiation events dated with (146)Sm-(142)Nd converge to a shorter time span and in general to earlier times, due to the combined effect of the new (146)Sm half-life and ((146)Sm/(144)Sm)(0) values.

  15. Konstruktioner i småhuse

    DEFF Research Database (Denmark)

    Høffding Knutsson, H.

    Anvisningen er udarbejdet i tilknytning til Bygningsreglement for småhuse, 1985. Den indeholder eksempler på dimensionering og udførelse af konstruktioner i traditionelle og moderne småhuse med indtil 2 etager. Hvis man følger anvisningens eksempler, kræves der ikke ingeniørmæssig eftervisning af......, at reglementets krav er opfyldt med hensyn til styrke, fugt, varme, lyd og brand....

  16. 从(Sm-Sn/m-n)=(Sm+n/m+n)说开去

    Institute of Scientific and Technical Information of China (English)

    阙程柯

    2004-01-01

    @@ 在等差数列{an}中,Sn为其前n项和,则有如下性质: (Sm-Sn/m-n)=(Sm+n/m+n)(m,n∈N*,且m≠n)(1) 证明∵Sm-Sn =ma1+(1/2)m(m-1)d-na1-(1/2)n(n-1)d =(m-n)[a1+1/2(m+n-1)d], ∴(Sm-Sn/m-n)=a1+(1/2)(m+n-1)d.

  17. Structural Characterization of Sm(III)(EDTMP).

    Science.gov (United States)

    Yang, Y; Pushie, M J; Cooper, D M L; Doschak, M R

    2015-11-02

    Samarium-153 ethylenediamine-N,N,N',N'-tetrakis(methylenephosphonic acid) ((153)Sm-EDTMP, or samarium lexidronam), also known by its registered trademark name Quadramet, is an approved therapeutic radiopharmaceutical used in the palliative treatment of painful bone metastases. Typically, patients with prostate, breast, or lung cancer are most likely to go on to require bone pain palliation treatment due to bone metastases. Sm(EDTMP) is a bone-seeking drug which accumulates on rapidly growing bone, thereby delivering a highly region-specific dose of radiation, chiefly through β particle emission. Even with its widespread clinical use, the structure of Sm(EDTMP) has not yet been characterized at atomic resolution, despite attempts to crystallize the complex. Herein, we prepared a 1:1 complex of the cold (stable isotope) of Sm(EDTMP) under alkaline conditions and then isolated and characterized the complex using conventional spectroscopic techniques, as well as with extended X-ray absorption fine structure (EXAFS) spectroscopy and density functional structure calculations, using natural abundance Sm. We present the atomic resolution structure of [Sm(III)(EDTMP)-8H](5-) for the first time, supported by the EXAFS data and complementary spectroscopic techniques, which demonstrate that the samarium coordination environment in solution is in agreement with the structure that has long been conjectured.

  18. Curie temperature rising by fluorination for Sm2Fe17

    Directory of Open Access Journals (Sweden)

    Matahiro Komuro

    2013-02-01

    Full Text Available Fluorine atoms can be introduced to Sm2Fe17 using XeF2 below 423 K. The resulting fluorinated Sm2Fe17 powders have ferromagnetic phases containing Sm2Fe17FY1(0Sm2Fe17FY2 (1Sm2Fe17, and α-Fe. The unit cell for Sm2Fe17 is elongated by the fluorination. The largest unit cell volume among the rhombohedral Sm2Fe17 compounds is 83.8 nm3, which is 5.8% larger than Sm2Fe17. The rhombohedral Sm2Fe17 with the largest unit cell volume is dissociated above 873 K, and fluorination increases Curie temperature from 403 K for Sm2Fe17 to 675 K. This increase can be explained by the magneto-volume effect.

  19. OBSERVATIONS OF BINARY STARS WITH THE DIFFERENTIAL SPECKLE SURVEY INSTRUMENT. V. TOWARD AN EMPIRICAL METAL-POOR MASS–LUMINOSITY RELATION

    Energy Technology Data Exchange (ETDEWEB)

    Horch, Elliott P. [Department of Physics, Southern Connecticut State University, 501 Crescent Street, New Haven, CT 06515 (United States); Van Altena, William F.; Demarque, Pierre [Department of Astronomy, Yale University P.O. Box 208101, New Haven, CT 06520-8101 (United States); Howell, Steve B. [NASA Ames Research Center, Moffett Field, CA 94035 (United States); Everett, Mark E. [National Optical Astronomy Observatory, 950 North Cherry Avenue, Tucson, AZ 85719 (United States); Ciardi, David R. [NASA Exoplanet Science Institute, California Institute of Technology, 770 South Wilson Avenue, Mail Code 100-22, Pasadena, CA 91125 (United States); Teske, Johanna K. [Department of Terrestrial Magnetism and Carnegie Observatories, Carnegie Institute of Washington, 5241 Broad Branch Road, NW, Washington, DC 20015 (United States); Henry, Todd J.; Winters, Jennifer G., E-mail: horche2@southernct.edu, E-mail: william.vanaltena@yale.edu, E-mail: pierre.demarque@yale.edu, E-mail: steve.b.howell@nasa.gov, E-mail: everett@noao.edu, E-mail: ciardi@ipac.caltech.edu, E-mail: jteske@carnegiescience.edu, E-mail: thenry@astro.gsu.edu, E-mail: winters@astro.gsu.edu [Department of Physics and Astronomy, Georgia State University, Atlanta, GA 30302 (United States)

    2015-05-15

    In an effort to better understand the details of the stellar structure and evolution of metal-poor stars, the Gemini North telescope was used on two occasions to take speckle imaging data of a sample of known spectroscopic binary stars and other nearby stars in order to search for and resolve close companions. The observations were obtained using the Differential Speckle Survey Instrument, which takes data in two filters simultaneously. The results presented here are of 90 observations of 23 systems in which one or more companions was detected, and six stars where no companion was detected to the limit of the camera capabilities at Gemini. In the case of the binary and multiple stars, these results are then further analyzed to make first orbit determinations in five cases, and orbit refinements in four other cases. The mass information is derived, and since the systems span a range in metallicity, a study is presented that compares our results with the expected trend in total mass as derived from the most recent Yale isochrones as a function of metal abundance. These data suggest that metal-poor main-sequence stars are less massive at a given color than their solar-metallicity analogues in a manner consistent with that predicted from the theory.

  20. Observations of Binary Stars with the Differential Speckle Survey Instrument. V. Toward an Empirical Metal-Poor Mass-Luminosity Relation

    Science.gov (United States)

    Horch, Elliott P.; van Altena, William F.; Demarque, Pierre; Howell, Steve B.; Everett, Mark E.; Ciardi, David R.; Teske, Johanna K.; Henry, Todd J.; Winters, Jennifer G.

    2015-05-01

    In an effort to better understand the details of the stellar structure and evolution of metal-poor stars, the Gemini North telescope was used on two occasions to take speckle imaging data of a sample of known spectroscopic binary stars and other nearby stars in order to search for and resolve close companions. The observations were obtained using the Differential Speckle Survey Instrument, which takes data in two filters simultaneously. The results presented here are of 90 observations of 23 systems in which one or more companions was detected, and six stars where no companion was detected to the limit of the camera capabilities at Gemini. In the case of the binary and multiple stars, these results are then further analyzed to make first orbit determinations in five cases, and orbit refinements in four other cases. The mass information is derived, and since the systems span a range in metallicity, a study is presented that compares our results with the expected trend in total mass as derived from the most recent Yale isochrones as a function of metal abundance. These data suggest that metal-poor main-sequence stars are less massive at a given color than their solar-metallicity analogues in a manner consistent with that predicted from the theory.

  1. Observations of Binary Stars with the Differential Speckle Survey Instrument. V. Toward an Empirical Metal-Poor Mass-Luminosity Relation

    CERN Document Server

    Horch, Elliott P; Demarque, Pierre; Howell, Steve B; Everett, Mark E; Ciardi, David R; Teske, Johanna K; Henry, Todd J; Winters, Jennifer G

    2015-01-01

    In an effort to better understand the details of the stellar structure and evolution of metal poor stars, the Gemini North telescope was used on two occasions to take speckle imaging data of a sample of known spectroscopic binary stars and other nearby stars in order to search for and resolve close companions. The observations were obtained using the Differential Speckle Survey Instrument, which takes data in two filters simultaneously. The results presented here are of 90 observations of 23 systems in which one or more companions was detected, and 6 stars where no companion was detected to the limit of the camera capabilities at Gemini. In the case of the binary and multiple stars, these results are then further analyzed to make first orbit determinations in five cases, and orbit refinements in four other cases. Mass information is derived, and since the systems span a range in metallicity, a study is presented that compares our results with the expected trend in total mass as derived from the most recent Ya...

  2. Validity and reliability of the Patient-Reported Arthralgia Inventory: validation of a newly-developed survey instrument to measure arthralgia

    Directory of Open Access Journals (Sweden)

    Castel LD

    2015-07-01

    Full Text Available Liana D Castel,1 Kenneth A Wallston,2 Benjamin R Saville,3 JoAnn R Alvarez,3 Bradley D Shields,4 Irene D Feurer,3 David Cella5 1Meharry-Vanderbilt Alliance, Nashville, TN, USA; 2Psychology in Nursing, Vanderbilt University School of Nursing, Nashville, TN, USA; 3Surgery and Biostatistics, Vanderbilt University School of Medicine, Nashville, TN, USA; 4Medical Sciences, University of Arkansas School of Medicine, Little Rock, AR, USA; 5Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA Background: There is a need for a survey instrument to measure arthralgia (joint pain that has been psychometrically validated in the context of existing reference instruments. We developed the 16-item Patient-Reported Arthralgia Inventory (PRAI to measure arthralgia severity in 16 joints, in the context of a longitudinal cohort study to assess aromatase inhibitor-associated arthralgia in breast cancer survivors and arthralgia in postmenopausal women without breast cancer. We sought to evaluate the reliability and validity of the PRAI instrument in these populations, as well as to examine the relationship of patient-reported morning stiffness and arthralgia. Methods: We administered the PRAI on paper in 294 women (94 initiating aromatase inhibitor therapy and 200 postmenopausal women without breast cancer at weeks 0, 2, 4, 6, 8, 12, 16, and 52, as well as once in 36 women who had taken but were no longer taking aromatase inhibitor therapy. Results: Cronbach's alpha was 0.9 for internal consistency of the PRAI. Intraclass correlation coefficients of test-retest reliability were in the range of 0.87–0.96 over repeated PRAI administrations; arthralgia severity was higher in the non-cancer group at baseline than at subsequent assessments. Women with joint comorbidities tended to have higher PRAI scores than those without (estimated difference in mean scores: -0.3, 95% confidence interval [CI] -0.5, -0.2; P<0.001. The PRAI was

  3. Radioisotope instruments

    CERN Document Server

    Cameron, J F; Silverleaf, D J

    1971-01-01

    International Series of Monographs in Nuclear Energy, Volume 107: Radioisotope Instruments, Part 1 focuses on the design and applications of instruments based on the radiation released by radioactive substances. The book first offers information on the physical basis of radioisotope instruments; technical and economic advantages of radioisotope instruments; and radiation hazard. The manuscript then discusses commercial radioisotope instruments, including radiation sources and detectors, computing and control units, and measuring heads. The text describes the applications of radioisotop

  4. Incidence of Deformation and Fracture of Twisted File Adaptive Instruments after Repeated Clinical Use

    Science.gov (United States)

    Gambarini, Gianluca; Piasecki, Lucila; Miccoli, Gabriele; Di Giorgio, Gianni; Carneiro, Everdan; Al-Sudani, Dina; Testarelli, Luca

    2016-01-01

    ABSTRACT Objectives The aim of the present study was to investigate the incidence of deformation and fracture of twisted file adaptive nickel-titanium instruments after repeated clinical use and to identify and check whether the three instruments within the small/medium sequence showed similar or different visible signs of metal fatigue. Material and Methods One-hundred twenty twisted file adaptive (TFA) packs were collected after clinically used to prepare three molars and were inspected for deformations and fracture. Results The overall incidence of deformation was 22.2%, which was not evenly distributed within the instruments: 15% for small/medium (SM)1 (n = 18), 38.33% for SM2 (n = 46) and 13.33% for the SM3 instruments (n = 16). The defect rate of SM2 instruments was statistically higher than the other two (P < 0.001). The fracture rate was 0.83% (n = 3), being two SM2 instruments and one SM3. Conclusions It was observed a very low defect rate after clinical use of twisted file adaptive rotary instruments. The untwisting of flutes was significantly more frequent than fracture, which might act as prevention for breakage. The results highlight the fact that clinicians should be aware that instruments within a sequence might be differently subjected to intracanal stress. PMID:28154749

  5. Conceptual Design Plan SM-43 Replacement Project

    Energy Technology Data Exchange (ETDEWEB)

    University of California, Los Alamos National Laboratory, SCC Project Office

    2000-11-01

    The Los Alamos National Laboratory Conceptual Design Plan for the SM-43 Replacement Project outlines plans for replacing the SM-43 Administration Building. Topics include the reasons that replacement is considered a necessity; the roles of the various project sponsors; and descriptions of the proposed site and facilities. Also covered in this proposal is preliminary information on the project schedule, cost estimates, acquisition strategy, risk assessment, NEPA strategy, safety strategy, and safeguards and security. Spreadsheets provide further detail on space requirements, project schedules, and cost estimates.

  6. OTF CCSDS SM and C Interoperability Prototype

    Science.gov (United States)

    Reynolds, Walter F.; Lucord, Steven A.; Stevens, John E.

    2008-01-01

    A presentation is provided to demonstrate the interoperability between two space flight Mission Operation Centers (MOCs) and to emulate telemetry, actions, and alert flows between the two centers. One framework uses a COTS C31 system that uses CORBA to interface to the local OTF data network. The second framework relies on current Houston MCC frameworks and ad hoc clients. Messaging relies on SM and C MAL, Core and Common Service formats, while the transport layer uses AMS. A centralized SM and C Registry uses HTTP/XML for transport/encoding. The project's status and progress are reviewed.

  7. Explosive consolidation of Sm-Fe-N and Sm-Fe-N/(Ni, Co) magnetic powders

    Energy Technology Data Exchange (ETDEWEB)

    Chiba, A. [Faculty of Engineering, Kumamoto University, Kumamoto, Kumamoto 860-8555 (Japan)]. E-mail: chiba@gpo.kumamoto-u.ac.jp; Hokamoto, K. [Shock Wave and Condensed Matter Research Center, Kumamoto University, Kumamoto, Kumamoto 860-8555 (Japan); Sugimoto, S. [Graduate School of Engineering, Tohoku University, Sendai, Miyagi, 980-0845 (Japan); Kozuka, T. [Faculty of Engineering, Kumamoto University, Kumamoto, Kumamoto 860-8555 (Japan); Mori, A. [Shock Wave and Condensed Matter Research Center, Kumamoto University, Kumamoto, Kumamoto 860-8555 (Japan); Kakimoto, E. [Explosive R and D Center, Explosive Division, Asahi Kasei Co., 5447 Yamane, Chikushino-City, Fukuoka 813-0003 (Japan)

    2007-03-15

    Explosive consolidation of Sm{sub 2}Fe{sub 17}N{sub x} and Sm{sub 2}Fe{sub 17}N{sub x}/(Ni or Co) magnetic powders were attempted to consolidate fully dense magnetic compacts. Dense Sm{sub 2}Fe{sub 17}N{sub x} and Sm{sub 2}Fe{sub 17}N{sub x}/(Ni or Co) bulk materials were obtained by cylindrical explosive consolidation technique using water as a pressure transmitting medium. The values of (BH){sub max} of Sm{sub 2}Fe{sub 17}N{sub x}, Sm{sub 2}Fe{sub 17}N{sub x}-5wt%Ni and Sm{sub 2}Fe{sub 17}N{sub x}-30wt%Co magnets obtained were 23.8, 16.3 and 17.5MGOe (190, 130 and 140kJ/m{sup 3}), respectively.

  8. Cleanroom refurbishment in SM18 within the SPL project frame, feasibility study

    CERN Document Server

    Chambrillon, J

    2011-01-01

    Manufacturing of SRF cavities with high gradient (>25 MV/m) requires a good control of the cleaning and assembling procedure. To do so, it has been recommended to update the CERN cleanroom facility in SM18. Improvement of the existing cleanroom class, construction of a new clean space and acquisition of a new high pressure rinsing system are the essential parts of the upgrade. New control procedures and new instrumentations will help to monitor each step of the cleaning and assembling procedure.

  9. 星源通掌上森林调查仪面积测量精度研究%A Study of Area Survey Precision Based on Xingyuantong Handhold Forest Inventory Instrument

    Institute of Scientific and Technical Information of China (English)

    李崇贵; 陈华安; 李春干

    2005-01-01

    Xingyuangtong handhold forest inventory instrument is a microcomputer-based Hi-tech product integrating remote sensing, mobile GIS and GPS, which is developed by 3S research center of Shenzhen Polytechnic. It can be used in forest resource inventory, area calculation on map, area survey on the spot, compartment and sub-compartment mapping and editing based on remote sensing images or scanned relief maps, interactive query and amendment between graphics and its attributes,etc. On the basis of theory analysis of area survey principle, the practical area survey precision of nine different-sized plots in different period of time and under different interfered conditions is analyzed in order to study the possible precision of area survey on the spot by using this product. It is demonstrated that Xinyuantong handhold forest resource inventory instrument can meet the precision needs of returning the grain plots to forestry, acceptance check of forestation land, area survey of compartment and subcompartment, etc. This product can be widely used in forest resource inventory.

  10. Fare- og smågrisestalde

    DEFF Research Database (Denmark)

    Petersen, H.W.; Bøndergaard, E.

    Byggebladssamlingen omfatter 4 eksempler på farestalde til løsgående søer, 10 eksempler på farestalde til bundne søer, samt 3 eksempler på smågrisestalde. Detailtegningsmaterialet omfatter krybber, rensegange, gødningskanaler, ventilationskanaler og gulve. Tegningerne omfatter flere udførelser af...

  11. SmAHTR-CTC Neutronic Design

    Energy Technology Data Exchange (ETDEWEB)

    Ilas, Dan [ORNL; Holcomb, David Eugene [ORNL; Gehin, Jess C [ORNL

    2014-01-01

    Building on prior experience for the 2010 initial SmAHTR neutronic design and on 2012 neutronic design for the advanced high temperature reactor (AHTR), this paper presents the main results of the neutronic design effort for the newly re-purposed SmAHTR-CTC reactor concept. The results are obtained based on full-core simulations performed with SCALE6.1. The dimensionality of the SmAHTR design space is reduced by using constraints originating in material fabricability, fuel licensing, molten salt chemistry, thermal-hydraulic and mechanical considerations. The new design represents in many regards a substantial improvement from the neutronic performance standpoint over the 2010 SmAHTR concept. Among other results, it is shown that fuel cycle length of over 2 years or discharged fuel burnup of 40GWd/MTHM are possible with a low, 8% fuel enrichment in a once-through fuel cycle, while 8-year once-through fuel cycle lengths are possible at higher fuel enrichments.

  12. Combined SM Higgs Limits at the Tevatron

    Energy Technology Data Exchange (ETDEWEB)

    Krumnack, N.

    2009-10-01

    We combine results from CDF and D{sup 0} on direct searches for a standard model (SM) Higgs boson (H) in p{bar p} collisions at the Fermilab Tevatron at {radical}s = 1.96 TeV. Compared to the previous Higgs Tevatron combination, more data and new channels WH {yields} {tau}{nu}b{bar b}, VH {yields} {tau}{tau}b{bar b}/jj{tau}{tau}, VH {yields} jjb{bar b}, t{bar t}H {yields} t{bar t}b{bar b} have been added. Most previously used channels have been reanalyzed to gain sensitivity. We use the latest parton distribution functions and gg {yields} H theoretical cross sections when comparing our limits to the SM predictions. With 2.0-3.6 fb{sup -1} of data analyzed at CDF, and 0.9-4.2 fb{sup -1} at D{sup 0}, the 95% C.L. upper limits on Higgs boson production are a factor of 2.5 (0.86) times the SM cross section for a Higgs boson mass of m{sub H} = 115 (165) GeV/c{sup 2}. Based on simulation, the corresponding median expected upper limits are 2.4 (1.1). The mass range excluded at 95% C.L. for a SM Higgs has been extended to 160 < m{sub H} < 170 GeV/c{sup 2}.

  13. Preparation and quality control of {sup 153}Sm radiopharmaceuticals

    Energy Technology Data Exchange (ETDEWEB)

    Swasono, R. Tamat; Widyastuti, W.; Purwadi, B.; Laksmi, I. [Radioisotope Production Center - BATAN, Jakarta (Indonesia)

    1998-10-01

    The paper summarizes the preparation and quality control of {sup 153}Sm-EDTMP and three {sup 153}Sm-radiosynovectomy agents. Natural and enriched Sm{sub 2}O{sub 3} (98.7% {sup 152}Sm) irradiated in RSG-GAS 30 MW reactor yielded pure and high specific activity {sup 153}Sm. Labeling of EDTMP with {sup 153}Sm was carried out by mixing {sup 153}SmCl{sub 3} solution of pH 4.0 to an EDTMP solution at room temperature then pH adjustment to 8. The {sup 153}Sm-EDTMP complex was separated from the free {sup 153}Sm{sup +3} on a Chelex 100 column. Radiochemical purity was determined by thin layer chromatography using Cellulose sheets and pyridine: ethanol: water (1: 2: 4) mixture as solvent. The {sup 153}Sm-EDTMP has been shown to be stable for two weeks. Three particulate preparations of {sup 153}Sm used for the irradiation of chronic synovitis have been studied. They are hydroxyapatite particles, human serum albumin microspheres and ferric hydroxide macroaggregates. The {sup 153}Sm-ferric hydroxide macroaggregates were prepared in a single step by coprecipitation of {sup 153}Sm in the formation of Fe(OH){sub 3}. Preparation of {sup 153}Sm-labelled hydroxyapatite particles and {sup 153}Sm-labelled albumin microspheres were carried out by {sup 153}Sm labelling of previously prepared particles. Radiolabelling efficiency were greater than 95% for hydroxyapatite particles and macroaggregates and was lower than 20% for albumin microspheres. The particle sizes were inspected using an optical microscope with a haemocytometer and micrometric ocular. (author)

  14. New AMS method to measure the atom ratio {sup 146}Sm/{sup 147}Sm for a half-life determination of {sup 146}Sm

    Energy Technology Data Exchange (ETDEWEB)

    Kinoshita, N. [Tandem Accelerator Complex, Research Facility Center for Science and Technology, University of Tsukuba (Japan); Paul, M., E-mail: paul@vms.huji.ac.il [Racah Institute of Physics, Hebrew University, Jerusalem 91904 (Israel); Alcorta, M. [Physics Division, Argonne National Laboratory, Argonne, IL 60439 (United States); Bowers, M.; Collon, P. [Department of Physics, University of Notre Dame, Notre Dame, IN 46556-5670 (United States); Deibel, C.M. [Physics Division, Argonne National Laboratory, Argonne, IL 60439 (United States); Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 46624 (United States); DiGiovine, B. [Physics Division, Argonne National Laboratory, Argonne, IL 60439 (United States); Goriely, S. [Universite Libre de Bruxelles, CP-226, Brussels 1050 (Belgium); Greene, J.P.; Henderson, D.J.; Jiang, C.L. [Physics Division, Argonne National Laboratory, Argonne, IL 60439 (United States); Kashiv, Y. [Department of Physics, University of Notre Dame, Notre Dame, IN 46556-5670 (United States); Kay, B.P.; Lee, H.Y.; Marley, S.T. [Physics Division, Argonne National Laboratory, Argonne, IL 60439 (United States); Nakanishi, T. [Faculty of Chemistry, Institute of Science and Engineering, Kanazawa University (Japan); Pardo, R.C.; Patel, N.; Rehm, K.E. [Physics Division, Argonne National Laboratory, Argonne, IL 60439 (United States); Robertson, D. [Department of Physics, University of Notre Dame, Notre Dame, IN 46556-5670 (United States); and others

    2013-01-15

    The extinct p-process nuclide {sup 146}Sm (t{sub 1/2} = 103 {+-} 5 Myr) is known to have been present in the Early-Solar System and has been proposed as an astrophysical chronometer. {sup 146}Sm is also intensely used to date meteorite and planetary differentiation processes, enhancing the importance of an accurate knowledge of the {sup 146}Sm half-life. We are engaged in a new determination of the {sup 146}Sm half-life in which the {sup 146}Sm/{sup 147}Sm atom ratio is determined by accelerator mass spectrometry at the ATLAS facility of Argonne National Laboratory. In order to reduce systematic errors in the AMS determination of the {sup 146}Sm/{sup 147}Sm ratios (in the range of 10{sup -7}-10{sup -9}), {sup 146}Sm and {sup 147}Sm ions were alternately counted in the same detector in the focal plane of a gas-filled magnet, respectively in continuous-wave and attenuated mode. Quantitative attenuation is obtained with the 12 MHz pulsed and ns-bunched ATLAS beam by chopping beam pulses with an RF sweeper in a ratio (digitally determined) down to 1:10{sup 6}. The experiments and preliminary results are discussed.

  15. 31 CFR 208.5 - Availability of the ETA SM.

    Science.gov (United States)

    2010-07-01

    ... ETAs SM as Treasury's Financial Agent. A Federally-insured financial institution that elects to offer... 31 Money and Finance: Treasury 2 2010-07-01 2010-07-01 false Availability of the ETA SM. 208.5... DISBURSEMENTS § 208.5 Availability of the ETA SM. An individual who receives a Federal benefit, wage, salary,...

  16. Kampen om det sibiriske smør

    DEFF Research Database (Denmark)

    Larsen, Inge Marie

    2001-01-01

    Afhandlingen følger opbygningen af og udviklingen i den vestsibiriske smørsektor og den internationale handel med sibirisk smør. Hvordan gik det til, at Rusland blev verdens næststørste smøreksportør? Indfaldsvinkelen er lokal sibirisk, national russisk og global, idet danske og engelske firmaers...

  17. SM09A and SM09B: Romaine Lettuce Breeding Lines Resistant to Dieback and with Improved Shelf-life.

    Science.gov (United States)

    SM09A and SM09B are F8 romaine breeding lines of lettuce (Lactuca sativa L.) resistant to dieback and with good shelf-life. SM09B was selected from a cross between ‘Darkland’ and PI491224, while SM09A was developed from ‘Green Towers’ × (‘Darkland’ × PI491224). Resistance to the disease in both bree...

  18. Instrumentation Facility

    Data.gov (United States)

    Federal Laboratory Consortium — Provides instrumentation support for flight tests of prototype weapons systems using a vast array of airborne sensors, transducers, signal conditioning and encoding...

  19. Probing metastable Sm2+ and optically stimulated tunnelling emission in YPO4: Ce, Sm

    DEFF Research Database (Denmark)

    Prasad, Amit Kumar; Kook, Myung Ho; Jain, Mayank

    2017-01-01

    When the model dosimetry system YPO4: Ce3+, Sm3+ is exposed to X-rays, the charge state of the dopants changes, becoming Ce4+ and Sm2+ via hole and electron trapping, respectively which are metastable; the original charge states can be achieved through electron transfer back from Sm2+ to Ce4+ via...

  20. Fracture in sintered Sm-Co permanent magnetic materials

    Institute of Scientific and Technical Information of China (English)

    LI; Anhua(李安华); DONG; Shengzhi(董生智); LI; Wei(李卫)

    2003-01-01

    The bending strength and fracture toughness of sintered Sm-Co permanent magnetic materials are measured. A scanning electron microscope equipped with an energy dispersive X-ray analysis system is employed to investigate the bending fractography. The fracture behavior and micromechanism are discussed. The fracture behavior of sintered Sm-Co permanent magnetic materials exhibits cleavage fracture. Some Sm-rich impurities are found in fracture plane, suggesting that the Sm-rich impurities help reduce the cleavage brittleness of sintered Sm-Co permanent magnetic materials. The possible methods for improving the strength and toughness are also proposed.

  1. Hetdex: Virus Instrument

    Science.gov (United States)

    Lee, Hanshin; Hill, G. J.; DePoy, D. L.; Tuttle, S.; Marshall, J. L.; Vattiat, B. L.; Prochaska, T.; Chonis, T. S.; Allen, R.; HETDEX Collaboration

    2012-01-01

    The Visible Integral-field-unit Replicable Unit Spectrograph (VIRUS) instrument is made up of 150+ individually compact and identical spectrographs, each fed by a fiber integral-field unit. The instrument provides integral field spectroscopy at wavelengths between 350nm and 550nm of over 33,600 spatial elements per observation, each 1.8 sq. arcsec on the sky, at R 700. The instrument will be fed by a new wide-field corrector (WFC) of the Hobby-Eberly Telescope (HET) with increased science field of view as large as 22arcmin diameter and telescope aperture of 10m. This will enable the HETDEX, a large area blind survey of Lyman-alpha emitting galaxies at redshift z VIRUS instrument construction is summarized.

  2. Surveys: an introduction.

    Science.gov (United States)

    Rubenfeld, Gordon D

    2004-10-01

    Surveys are a valuable research tool for studying the knowledge, attitudes, and behavior of a study population. This article explores quantitative analyses of written questionnaires as instruments for survey research. Obtaining accurate and precise information from a survey requires minimizing the possibility of bias from inappropriate sampling or a flawed survey instrument, and this article describes strategies to minimize sampling bias by increasing response rates, comparing responders to nonresponders, and identifying the appropriate sampling population. It is crucial that the survey instrument be valid, meaning that it actually measures what the investigator intends it to measure. In developing a valid survey instrument, it can be useful to adapt survey instruments that were developed by other researchers and to conduct extensive pilot-testing of your survey instrument.

  3. Octupole collectivity in the Sm isotopes

    Energy Technology Data Exchange (ETDEWEB)

    Babilon, M. [Yale Univ., New Haven, CT (United States). Wright Nuclear Structure Lab.]|[Technische Univ. Darmstadt (Germany). Inst. fuer Kernphysik; Zamfir, N.V. [Yale Univ., New Haven, CT (United States). Wright Nuclear Structure Lab.]|[National Inst. for Physics and Nuclear Engineering, Bucharest (Romania); Kusnezov, D. [Yale Univ., New Haven, CT (United States). Sloane Physics Lab.; McCutchan, E.A. [Yale Univ., New Haven, CT (United States). Wright Nuclear Structure Lab.; Zilges, A. [Technische Univ. Darmstadt (Germany). Inst. fuer Kernphysik

    2005-08-27

    Microscopic models suggest the occurrence of strong octupole correlations in nuclei with N{approx}88. To examine the signatures of octupole correlations in this region, the spdf Interacting Boson Approximation (IBA) Model is applied to the Sm isotopes with N = 86 - 92. The effects of including multiple negative parity bosons in the basis are compared to more standard one negative parity boson calculations and are analyzed in terms of signatures for strong octupole correlations. It is found that multiple negative parity bosons are needed to describe properties at medium spin. Bands with strong octupole correlations (multiple negative parity bosons) become yrast at medium spin in {sup 148,150}Sm. This region shares some similarities with the light actinides, where strong octupole correlations were also found at medium spin. (orig.)

  4. Islamic Astronomical Instruments and Observatories

    Science.gov (United States)

    Heidarzadeh, Tofigh

    This chapter is a brief survey of astronomical instruments being used and developed in Islamic territories from the eighth to the fifteenth centuries as well as a concise account of major observatories and observational programs in this period.

  5. The Naturalness of the Fourth SM Family

    CERN Document Server

    Sultansoy, S

    2009-01-01

    The necessity of the fourth family follows from the SM basics. According to flavor democracy the Dirac masses of the fourth SM family fermions are almost equal with preferable value 450 GeV, which corresponds to common (for all fundamental fermions) Yukawa coupling equal to SU(2) gauge coupling gW. In principle, one expect u4 a little bit lighter than d4, while nu4 could be essentially lighter than l4 due to Majorana mass terms for right-handed components of neutrinos. Obviously, the fourth family quarks will be copiously produced at the LHC. However, the first indication of the fourth SM family may be provided by early Higgs boson observation due to almost an order enhancement of the gluon fusion to Higgs cross-section. For the same reason the Tevatron still has a chance to observe the Higgs boson before the LHC. Concerning the fourth family leptons, in general, best place will be NLC/CLIC. However, for some mass regions and MNS matrix elements double discovery of both the nu4 and H could be possible at the ...

  6. 31 CFR 585.413 - Imports of goods originating in the FRY (S&M), and purchases of goods from the FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... FRY (S&M), and purchases of goods from the FRY (S&M). 585.413 Section 585.413 Money and Finance... of goods originating in the FRY (S&M), and purchases of goods from the FRY (S&M). Goods originating in the FRY (S&M) imported into the United States pursuant to an authorization or license are...

  7. Study of fuel element characteristic of SM and SMP (SM-PRIMA) fuel assemblies

    Energy Technology Data Exchange (ETDEWEB)

    Klinov, A.V.; Kuprienko, V.A.; Lebedev, V.A.; Makhin, V.M.; Tuchnin, L.M.; Tsykanov, V.A. [Research Institute of Atomic Reactors, Dimitrovgrad (Russian Federation)

    1999-07-01

    The paper discusses the techniques and results of reactor tests and post-reactor investigations of the SM reactor fuel elements and fuel elements developed in the process of designing the specialized PRIMA test reactor with the SM reactor fuel elements used as a prototype and which are referred to as the SMP fuel elements. The behavior of fuel elements under normal operating conditions and under deviation from normal operating conditions was studied to verify the calculation techniques, to check the calculation results during preparation of the SM reactor safety substantiation report and to estimate the possibility of using such fuel elements in other projects. During tests of fuel rods under deviation from normal operating conditions their advantages were shown over fuel elements, the components of which were produced using the Al-based alloys. (author)

  8. Fabrication and properties of SmFe2-PZT magnetoelectric thin films

    KAUST Repository

    Giouroudi, Ioanna

    2013-05-17

    Magnetoelectric (ME) thin film composites are attracting a continually increasing interest due to their unique features and potential applications in multifunctional microdevices and integrated units such as sensors, actuators and energy harvesting modules. By combining piezoelectric and highly magnetostrictive thin films, the potentialities of these materials increase. In this paper we report the fabrication of SmFe2 and PZT thin films and the investigation of their properties. First of all, a ~ 400 nm thin SmFe film was deposited on top of Si/SiO2 substrate by magnetron sputter deposition. Afterwards, a 140 nm Pt bottom electrode was sputtered on top of the SmFe film forming a bottom electrode. Spin coating was employed for the deposition of the 150 nm thin PZT layer. A PZT solution with 10 %Pb excess was utilized for this fabrication step. Finally, circular Pt top electrodes were sputtered as top electrodes. This paper focuses on the microstructure of the individual films characterized by X-Ray diffractometer (XRD) and scanning electron microscopy (SEM). A piezoelectric evaluation system, aixPES, with TF2000E analyzer component was used for the electric hysteresis measurements of PZT thin films and a vibrating sample magnetometer (VSM) was employed for the magnetic characterization of the SmFe. The developed thin films and the fabricated double layer SmFe-PZT exhibit both good ferromagnetic and piezoelectric responses which predict a promising ME composite structure. The quantitative chemical composition of the samples was confirmed by energy dispersive spectroscopy (EDX). © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

  9. A Survey of Florida High School Instrumental Music Programs: Rationale for the Inclusion of Jazz Ensemble Experience in Music Teacher Training

    Science.gov (United States)

    Hinkle, Jonathan R.

    2011-01-01

    During the past 60 years, jazz music has slowly become recognized as a genre worthy of study in high school music programs throughout the United States. Only a few researchers have analyzed large samples of jazz-related instruction in instrumental music programs, and of these studies no data were collected to investigate the inclusion of jazz in…

  10. A Survey of Florida High School Instrumental Music Programs: Rationale for the Inclusion of Jazz Ensemble Experience in Music Teacher Training

    Science.gov (United States)

    Hinkle, Jonathan R.

    2011-01-01

    During the past 60 years, jazz music has slowly become recognized as a genre worthy of study in high school music programs throughout the United States. Only a few researchers have analyzed large samples of jazz-related instruction in instrumental music programs, and of these studies no data were collected to investigate the inclusion of jazz in…

  11. The Student Human Papillomavirus Survey: Nurse-Led Instrument Development and Psychometric Testing to Increase Human Papillomavirus Vaccine Series Completion in Young Adults.

    Science.gov (United States)

    Thomas, Tami; Dalmida, Safyia; Higgins, Melinda

    2016-01-01

    The Student Human Papillomavirus Survey (SHPVS) was developed to examine students' perceived benefits or barriers to human papillomavirus (HPV) vaccination. Survey development included (a) 2-phase integrative literature reviews; (b) draft of survey items based on the literature; (c) critique of survey items by young adults, nursing and psychology faculty, and health care providers; and (d) pilot testing. The psychometric properties of the SHPVS were evaluated using classical item analysis and exploratory factor analysis (EFA) among a sample of 527 university students' ages 18-24 years. The estimated Cronbach's alpha for the SHPVS is .74. The SHPVS is a measure of young adults HPV perceived vulnerability, perceived severity, perceived barriers, and perceived benefits of HPV vaccination.

  12. Luminescence Instrumentation

    DEFF Research Database (Denmark)

    Jain, Mayank; Bøtter-Jensen, Lars

    2014-01-01

    This chapter gives an introduction to instrumentation for stimulated luminescence studies, with special focus on luminescence dating using the natural dosimeters, quartz and feldspars. The chapter covers basic concepts in luminescence detection, and thermal and optical stimulation, and reference...

  13. Mechanoluminescence and thermoluminescence of BaFCl:Sm 2+ and BaFBr:Sm 2+ crystals

    Science.gov (United States)

    Brahme, Nameeta; Shukla, M.; Choubey, A. K.; Kurrey, U.; Bisen, D. P.; Dhoble, S. J.

    2012-05-01

    The alkaline-earth fluorohalide crystals MFX, where M=Ca, Sr, Ba, Pb and X=Cl, Br, I, form an important class of materials crystallizing in the PbFCl-type tetragonal structure which is also called the matlockite structure. These compounds have long been of interest because of the various defect species which can be detected by spin resonance and associated techniques. The crystals were prepared by slow cooling of the melt of a stoichiometric mixture of BaF 2 and the corresponding chloride or bromide under 0.2 bar of ultrapure argon (5N5), often slightly fluorinated. We have studied the mechanoluminescence (ML) of BaFBr:Sm 2+ and BaFCl:Sm 2+ crystals. It is seen that after the impact of a moving piston, initially the ML intensity increases with time, attains a maximum value and then it decreases with time up to a particular minimum value, and then it increases again, attaining a peak value and finally disappears. The first peak lies in the deformation region and the second peak lies in the post-deformation region. The ML intensity of the BaFCl:Sm 2+ crystal is much higher than the ML intensity of the BaFBr:Sm 2+ crystal. For different impact velocities, the ML intensity increases with velocity; and the total ML intensity attains a saturation value for higher impact velocities. The total ML intensity increases with the increase in the applied load. It is suggested that the moving dislocation produced during deformation of crystals captures holes from hole-trapped centers (like H centers), and the subsequent radiative recombination of the dislocation holes with electron gives rise to ML. Thermoluminescence (TL) of BaFBr:Sm 2+ and BaFCl:Sm 2+ crystals was studied after exposure to ultraviolet rays with the help of a TLD reader. The peak of TL for the BaFBr:Sm 2+ crystal is found at ∼247°C and for BaFCl:Sm 2+ crystals at 283°C. The TL intensity initially increases with increase in the UV radiation and then it attains saturation for higher values of UV exposure. The

  14. Instrumented SSH

    Energy Technology Data Exchange (ETDEWEB)

    Campbell, Scott; Campbell, Scott

    2009-05-27

    NERSC recently undertook a project to access and analyze Secure Shell (SSH) related data. This includes authentication data such as user names and key fingerprints, interactive session data such as keystrokes and responses, and information about noninteractive sessions such as commands executed and files transferred. Historically, this data has been inaccessible with traditional network monitoring techniques, but with a modification to the SSH daemon, this data can be passed directly to intrusion detection systems for analysis. The instrumented version of SSH is now running on all NERSC production systems. This paper describes the project, details about how SSH was instrumented, and the initial results of putting this in production.

  15. [Evaluation of the level of dependency of persons placed in establishments for chronic patients. Development of a survey instrument and studies of validity, pertinence and performance].

    Science.gov (United States)

    Lehmann, P; Martin, J

    1984-01-01

    With the aim to achieve a more equitable budgetary allocation to nursing homes, an instrument for the evaluation of the patients' dependency has been developed and tested in 55 institutions, for a total of about 23000 observations. Statistical analyses show that the internal validity of the gathered data is quite good. The tool criteria are judged relevant by experts, and the tool performance is adequate: its use should permit the constitution of groups (clustering) of nursing homes homogeneous from the point of view of their nursing care load.

  16. Validation of the Care-Related Quality of Life Instrument in different study settings: findings from The Older Persons and Informal Caregivers Survey Minimum DataSet (TOPICS-MDS).

    Science.gov (United States)

    Lutomski, J E; van Exel, N J A; Kempen, G I J M; Moll van Charante, E P; den Elzen, W P J; Jansen, A P D; Krabbe, P F M; Steunenberg, B; Steyerberg, E W; Olde Rikkert, M G M; Melis, R J F

    2015-05-01

    Validity is a contextual aspect of a scale which may differ across sample populations and study protocols. The objective of our study was to validate the Care-Related Quality of Life Instrument (CarerQol) across two different study design features, sampling framework (general population vs. different care settings) and survey mode (interview vs. written questionnaire). Data were extracted from The Older Persons and Informal Caregivers Minimum DataSet (TOPICS-MDS, www.topics-mds.eu ), a pooled public-access data set with information on >3,000 informal caregivers throughout the Netherlands. Meta-correlations and linear mixed models between the CarerQol's seven dimensions (CarerQol-7D) and caregiver's level of happiness (CarerQol-VAS) and self-rated burden (SRB) were performed. The CarerQol-7D dimensions were correlated to the CarerQol-VAS and SRB in the pooled data set and the subgroups. The strength of correlations between CarerQol-7D dimensions and SRB was weaker among caregivers who were interviewed versus those who completed a written questionnaire. The directionality of associations between the CarerQol-VAS, SRB and the CarerQol-7D dimensions in the multivariate model supported the construct validity of the CarerQol in the pooled population. Significant interaction terms were observed in several dimensions of the CarerQol-7D across sampling frame and survey mode, suggesting meaningful differences in reporting levels. Although good scientific practice emphasises the importance of re-evaluating instrument properties in individual research studies, our findings support the validity and applicability of the CarerQol instrument in a variety of settings. Due to minor differential reporting, pooling CarerQol data collected using mixed administration modes should be interpreted with caution; for TOPICS-MDS, meta-analytic techniques may be warranted.

  17. Active instruments

    DEFF Research Database (Denmark)

    Lim, Miguel Antonio; Ørberg, Jakob Williams

    2017-01-01

    ) show the dynamic nature of policy processes, and (3) consider the search for policy reference points among the different actors. We present rankers in motion, policies in motion, and finally the complex nature of the ranking device that needs to be both a relevant and malleable policy instrument...

  18. Parental Human Papillomavirus Vaccine Survey (PHPVS): nurse-led instrument development and psychometric testing for use in research and primary care screening.

    Science.gov (United States)

    Thomas, Tami Lynn; Strickland, Ora L; DiClemente, Ralph; Higgins, Melinda; Williams, Bryan; Hickey, Kathleen

    2013-01-01

    Human papillomavirus (HPV) vaccine was approved for girls aged 9-24 years in 2006 to prevent HPV infection and cervical cancer. The Parental Human Papillomavirus Survey (PHPVS) was framed on theoretical constructs of the health belief model (HBM) and developed to survey parents regarding their HPV knowledge, attitudes, and intent to vaccinate. We evaluated the psychometric properties of the PHPVS using classical item analysis and exploratory factor analysis (EFA) among a sample of 200 parents/caregivers. The EFA yielded a 4-factor unidimensional model that explained between 62% and 68% of the total variance depending on the extraction method used. The estimated Cronbach's alpha for the PHPVS was .96. The PHPVS is a reliable measure of HPV knowledge, attitudes, and intent to vaccinate.

  19. Sm2+ sensitization of Nd3+ solid state lasers

    Science.gov (United States)

    Payne, Stephen A.; Chase, L. L.

    1986-08-01

    We have measured the Sm2→Nd3+ energy transfer efficiency in CaF2 and have found that the transfer ocurs through the dipole-dipole interaction. Although efficiencies of 0.9 can be achieved with reasonable levels of Nd3+ doping, the Sm2+ luminescence begins to quench at T≳220K.

  20. The crystallization of Al-Sm amorphous alloys

    Energy Technology Data Exchange (ETDEWEB)

    Rizzi, P. [Turin Univ. (Italy). Dipt. di Chimica Inorganica; Baricco, M. [Turin Univ. (Italy). Dipt. di Chimica Inorganica; Battezzati, L. [Turin Univ. (Italy). Dipt. di Chimica Inorganica; Schumacher, P. [Cambridge Univ. (United Kingdom). Dept. of Metallurgy and Materials Science; Greer, A.L. [Cambridge Univ. (United Kingdom). Dept. of Metallurgy and Materials Science

    1995-12-31

    Amorphous alloys with composition Al{sub 100-x}Sm{sub x} (8 {<=} x {<=} 14) have been prepared by melt spinning in controlled atmosphere. The quenching conditions significantly influence the microstructure of as-quenched samples and their crystallization mechanisms. The crystallization was followed by means of DSC, XRD, TEM and SEM. Different mechanisms are observed as a function of composition. For low Sm content (Al{sub 92}Sm{sub 8}), a primary crystallization occurs at about 180 C, with the formation of Al nanocrystals with a grain size of about 15 nm. A polymorphic crystallization is found in Al{sub 90}Sm{sub 10}, with the formation of a metastable intermetallic phase at about 220 C. For higher Sm content (Al{sub 88}Sm{sub 12} and Al{sub 86}Sm{sub 14}), a eutectic crystallization at about 230 C gives a mixture of stable (Al and Al{sub 11}Sm{sub 3}) and metastable phases. (orig.)

  1. Cross sections of deuteron induced reactions on $^{nat}$Sm for production of the therapeutic radionuclide $^{145}$Sm and $^{153}$Sm

    CERN Document Server

    Tárkányi, F; Takács, S; Ditrói, F; Csikai, J; Ignatyuk, A V

    2014-01-01

    At present, targeted radiotherapy (TR) is acknowledged to have great potential in oncology. A large list of interesting radionuclides is identified, including several radioisotopes of lanthanides, amongst them $^{145}$Sm and $^{153}$Sm. In this work the possibility of their production at a cyclotron was investigated using a deuteron beam and a samarium target. The excitation functions of the $^{nat}$Sm(d,x)$^{145153}$Sm reactions were determined for deuteron energies up to 50 MeV using the stacked-foil technique and high-resolution $\\gamma$-ray spectrometry. The measured cross sections and the contributing reactions were analyzed by comparison with results of the ALICE, EMPIRE and TALYS nuclear reaction codes. A short overview and comparison of possible production routes is given.

  2. Synthesis and sintering of samarium rich SmSxand its electrical property

    Institute of Scientific and Technical Information of China (English)

    Liang Li; Shinji Hirai; Yohei Tasaki

    2016-01-01

    Non-stoichiometric samarium monosulfide (SmSx, 0.55≤x≤1.2) was synthesized from Sm2S3and SmH3at 1273 K for 3 h under vacuum. The influence of reaction ratio of Sm2S3to SmH3on the fabrication of SmSxwas investigated. The fabrication of SmS required the molarratio of Sm2S3to SmH3above 1. Lattice parameter of synthetic SmSxincreasedfirstly and then decreasedto satu-rate following with the addition of SmH3content. SmSxcompact was sintered at 1373 K by spark plasma sintering. Density of syn-theticSmSxwas about 99% of theory density. Seebeck coefficient of n-type semiconductor SmSxdecreasedas temperature rose. The absolute valuewas distributed between 170–280 μV/K. The electrical resistivity of SmSx(0.86≤x≤1.07) decreasedwith tem-perature increasing and showedsimilar temperature dependence. The surplus Sm which randomly distributed in the SmSx (0.55≤x≤0.75) matrix led to a remarked reduction of electricalresistivity. The optimized power factor for SmS0.6and SmS0.75 couldreach 1500 μW/(K2·m)at 600 K.

  3. Micromagnetic Simulation of Magnetization Reversal in SmCo5/Sm2Co17 Magnets

    Institute of Scientific and Technical Information of China (English)

    荣传兵; 张宏伟; 杜晓波; 张健; 张绍英; 沈保根

    2004-01-01

    A three-dimensional finite element micromagnetic algorithm was developed to study the magnetization reversal of the SmCo5/Sm2Co17 based magnets. The influences of the microstructure and magnetic parameters on the coercivity were studied based on the model consisting of 64 irregular cells according to the experimental microstructure. Numerical results show that the coercivity increases with increasing the 2∶17-type cell size. Large cell boundary thickness leads to small coercivity. The drop of anisotropy constant of 1∶5 phase leads to the coercivity reducing, while the effect of exchange constant of 1∶5 phase on coercivity is contrary to that of exchange constant. The calculated field dependence of coercivity can be predicted by an inhomogeneous domain-wall pinning model. The microstructure parameter was analyzed by comparing the calculated coercivity.

  4. Detection of antifungal properties in Lactobacillus paracasei subsp. paracasei SM20, SM29, and SM63 and molecular typing of the strains.

    Science.gov (United States)

    Schwenninger, Susanne Miescher; von Ah, Ueli; Niederer, Brigitte; Teuber, Michael; Meile, Leo

    2005-01-01

    Lactobacilli isolated from different food and feed samples such as raw milk, cheese, yoghurt, olives, sour dough, as well as corn and grass silage, were screened for their antifungal activities. Out of 1,424 isolates tested, 82 were shown to be inhibitory to different yeasts (Candida spp. and Zygosaccharomyces bailii) and a Penicillium sp., which were previously isolated from spoiled yoghurt and fruits. Carbohydrate fermentation patterns suggested that a substantial portion, 25%, belonged to the Lactobacillus casei group, including L. casei, L. paracasei, and L. rhamnosus. The isolates SM20 (DSM14514), SM29 (DSM14515), and SM63 (DSM14516) were classified by PCR using species-specific primers to target the corresponding type strains (L. casei, L. paracasei, and L. rhamnosus) as controls. Further molecular typing methods such as randomly amplified polymorphic DNA, pulsed-field gel electrophoresis, and sequencing analysis of the 16S rRNA gene allowed classifying strains SM20, SM29, and SM63 as L. paracasei subsp. paracasei in accordance with the new reclassification of the L. casei group proposed by Collins et al.

  5. Shorter 146Sm half-life and revised 146Sm-142Nd ages of planetary mantle differentiation

    CERN Document Server

    Kinoshita, N; Kashiv, Y; Collon, P; Deibel, C M; DiGiovine, B; Greene, J P; Henderson, D J; Jiang, C L; Marley, S T; Nakanishi, T; Pardo, R C; Rehm, K E; Robertson, D; Scott, R; Schmitt, C; Tang, X D; Vondrasek, R; Yokoyama, A

    2011-01-01

    The extinct short-lived nuclide 146Sm, synthesized in stellar events by the p-process, serves as both an astrophysical and geochemical chronometer through measurements of isotopic anomalies of its alpha-decay daughter 142Nd. Evidence of live 146Sm, quantitatively established for the early Solar System, constrains the time between p-process nucleosynthesis and condensation of the first solid materials. Samarium-146 is used also to date silicate mantle differentiation events in a number of planetary bodies, including Earth. We performed a new measurement of the 146Sm half-life and our result, t = 68\\pm7 (1sigma) million year (Ma), is significantly shorter than the value currently used for 146Sm-142Nd chronology (103\\pm5 Ma). We show here that the shorter 146Sm half-life value implies a higher initial Solar System ratio, (146Sm/144Sm)_0 = 0.0094\\pm0.0005 (2sigma), than the recently derived value 0.0085\\pm0.0007, or that used in most studies 0.008\\pm0.001. Planetary differentiation processes dated by 146Sm-142Nd ...

  6. Pancreatitis Quality of Life Instrument: Development of a new instrument

    Directory of Open Access Journals (Sweden)

    Wahid Wassef

    2014-02-01

    Full Text Available Objectives: The goal of this project was to develop the first disease-specific instrument for the evaluation of quality of life in chronic pancreatitis. Methods: Focus groups and interview sessions were conducted, with chronic pancreatitis patients, to identify items felt to impact quality of life which were subsequently formatted into a paper-and-pencil instrument. This instrument was used to conduct an online survey by an expert panel of pancreatologists to evaluate its content validity. Finally, the modified instrument was presented to patients during precognitive testing interviews to evaluate its clarity and appropriateness. Results: In total, 10 patients were enrolled in the focus groups and interview sessions where they identified 50 items. Once redundant items were removed, the 40 remaining items were made into a paper-and-pencil instrument referred to as the Pancreatitis Quality of Life Instrument. Through the processes of content validation and precognitive testing, the number of items in the instrument was reduced to 24. Conclusions: This marks the development of the first disease-specific instrument to evaluate quality of life in chronic pancreatitis. It includes unique features not found in generic instruments (economic factors, stigma, and spiritual factors. Although this marks a giant step forward, psychometric evaluation is still needed prior to its clinical use.

  7. Assessment of microseeds biodegradability of Sm and Sm:Ba splenic implants in rabbits

    Energy Technology Data Exchange (ETDEWEB)

    Siqueira, Savio Lana; Barroso, Thiago Vinicius Villar [Faculdade de Ciencias Medicas de Minas Gerais, Belo Horizonte, MG (Brazil). Dept. de Anatomia; Campos, Tarcisio P.R., E-mail: campos@nuclear.ufmg.b [Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG (Brazil). Programa de Ciencias e Tecnicas Nucleares

    2009-07-01

    The radioactive interstitial implants have applications in controlling neoplasm in several regions of the human body. Currently the permanent brachytherapy seeds implanted in the spleen and other organs are made of I-125 seeds. After the total emission of radiation, the metal encapsulated seed remains inert in the implanted area. Seeds of bioactive ceramics have been prepared with Sm-152 incorporation to be activated in Sm-153. This study aimed to develop surgical technique for implanting biodegradable micro-seeds in the spleen of the rabbit. Three micro-seeds were introduced by hypodermic needle in the spleen in eight rabbits by median laparotomy. Subsequently, there were clinical and functional reactions of the animal to the implanted foreign body. The other objective was to perform the animal monitoring by radiography, produced in time sequence, and pathological studies of a fragment of the spleens of rabbits. The results show the effectiveness of surgery, the identification of the implanted material by radiography in vivo, and the biocompatibility of micro-seeds most of Sm and Sm:Ba. These seeds of reduced volume, 0.3x 1.6 mm, could be monitored for radiological studies in 2 periods: early and later implant. On the later studies, radiography was taken at 60d post-implant. Biopsies were taken and radiographs of the samples were also performed for evidencing the degradation state of the seeds. The results of the two groups of four rabbits are presented. They show partial degradation of the seed verified by radiographic contrast which is related to the atomic number of the elements and mass density in the seed. The biopsy showed that the ceramic is clearly absorbed by the spleen tissue and form tissue-implant interface. The histological slides showed an inflammatory reaction with presence of fibrosis of the giant cell foreign body. In conclusion, the radiograph shows a suitable noninvasive technique for monitoring the degradation of micro-seed ceramics in vivo

  8. Coseismic Deformations Associated with the M=7.2, April 04, 2010, El Mayor-Cucapah Earthquake, Observed from Leveling Survey, Geotechnical Instruments and Water Level Changes in the Mexicali Valley

    Science.gov (United States)

    Glowacka, E.; Robles, B.; Vázquez, R.; Sarychikhina, O.; Suárez-Vidal, F.; Ramirez, J.; Nava Pichardo, F. A.; Farfan, F.; Diaz de Cossio, G.

    2010-12-01

    A first order, second class leveling survey in the Mexicali Valley had been just finished in February 2010, for a project carried out by CICESE (Center for Scientific Research and Higher Education of Ensenada), IMTA (Mexican Institute of Water Technology) and CONAGUA (National Water Comission). Immediately after the M=7.2 earthquake the survey was repeated along 240 km of the profiles in the area of the Cerro Prieto pull-apart basin. The leveling started at the LN00 GPS monument in La Puerta. Overall, an uplift of about 30 cm towards the NE, along the 38 km line, in direction SW-NE is observed with larger gradient to the South of the area. Three subsidence bowls differ from this general pattern. One, south from Ejido Saltillo, with the relative subsidence of 19 cm (considering the displacement at LN00 as zero subsidence), probably reflects subsidence of the Saltillo-Guerrero graben; the second, with a subsidence of 23 cm, is situated south from Ejido Nuevo Leon and can be related to the subsidence triggered by the earthquake in the production area of Cerro Prieto IV. For the third one, with relative depth of 36 cm, situated close to Zacamoto, the southeastern limit cannot be determined, so only a comparison with other methods can explain the origin of this anomaly. All the subsidence bowls are associated with liquefaction observed in the area, with more liquefaction observed close to Zacamoto. Since 1996, CICESE has been operating a network of geotechnical instruments (REDECVAM) for continuous recording of deformation related to tectonic (seismic and interseismic) phenomena, as well as anthropogenic deformation caused by the deep fluid extraction at the Cerro Prieto Geothermal Field. The instruments are installed along the faults which limit the Cerro Prieto pull-apart basin at a distance from 8 to 15 km from the epicenter. Coseismic step-like groundwater level changes ranging from 0.4 to 5.0 meters were recorded at 4 wells in the Cerro Prieto Pull apart

  9. Thermal neutron capture cross sections for the {sup 152}Sm(n,{gamma}){sup 153}Sm and {sup 154}Sm(n,{gamma}){sup 155}Sm reactions at 0.0536 eV energy

    Energy Technology Data Exchange (ETDEWEB)

    Uddin, M.S. [Institute of Nuclear Science and Technology, Atomic Energy Research Establishment, Savar, GPO Box No. 3787, Dhaka 1000 (Bangladesh)], E-mail: shuza88@yahoo.co.in; Chowdhury, M.H. [Department of Physics, Comilla Victoria Government College, Comilla (Bangladesh); Department of Physics, Jahangirnagar University, Savar, Dhaka (Bangladesh); Hossain, S.M.; Latif, Sk.A.; Islam, M.A.; Hafiz, M.A.; Mubin, S.H.; Zakaria, A.K.M.; Yunus, S.M. [Institute of Nuclear Science and Technology, Atomic Energy Research Establishment, Savar, GPO Box No. 3787, Dhaka 1000 (Bangladesh); Azharul Islam, S.M. [Department of Physics, Jahangirnagar University, Savar, Dhaka (Bangladesh)

    2008-11-15

    The neutron capture cross sections for the {sup 152}Sm(n,{gamma}){sup 153}Sm and {sup 154}Sm(n,{gamma}){sup 155}Sm reactions at 0.0536 eV neutron energy were measured using an activation technique based on the TRIGA Mark-II research reactor, relative to the reference reaction {sup 197}Au(n,{gamma}){sup 198}Au. The activity was measured nondestructively using gamma-ray spectroscopy. Our measured values at this neutron energy are the first ones and are compared with 1/v based evaluated cross sections reported in the ENDF/B-VII and JENDL-3.3 libraries. The measured value for the {sup 152}Sm(n,{gamma}){sup 153}Sm reaction is 0.28% lower than JENDL-3.3 and 0.48% higher than ENDF/B-VII. Our value for the production of {sup 155}Sm is about 3% and 2.3% higher than the evaluated value with ENDF/B-VII and JENDL-3.3 at 0.0536 eV, respectively.

  10. A major Sm epitope anchored to sequential oligopeptide carriers is a suitable antigenic substrate to detect anti-Sm antibodies.

    Science.gov (United States)

    Petrovas, C J; Vlachoyiannopoulos, P G; Tzioufas, A G; Alexopoulos, C; Tsikaris, V; Sakarellos-Daitsiotis, M; Sakarellos, C; Moutsopoulos, H M

    1998-11-01

    A sensitive, highly reproducible, solid-phase enzyme immunoassay (ELISA), was developed in order to investigate whether the synthetic heptapeptide PPGMRPP-a major epitope of the Sm autoantigen-anchored in five copies to a sequential oligopeptide carrier (SOC), [(PPGMRPP)5-SOC5] is a suitable antigenic substrate to identify anti-Sm/antibodies. Sera with different autoantibody specificities [45 anti-Sm, 40 anti-U1RNP, 40 anti-Ro (SSA)/La(SSB) positive, 21 Antinuclear antibody positive, but negative for antibodies to extractable nuclear antigens (ANA + /ENA - ) and 75 normal human sera, ANA negative] and 75 sera from patients with rheumatoid arthritis (RA) were tested for anti-(PPGMRPP)5-(SOC)5 reactivity in order to evaluate the specificity and sensitivity of the method to detect anti-Sm antibodies. RNA immunoprecipitation assays for the detection of anti-Sm and anti-U1RNP antibodies and counter immunoelectrophoresis (CIE) for the detection of anti-Ro(SSA) and anti-La(SSB) antibodies were used as reference techniques. The sensitivity of the method was 98% and the specificity was 68% for the determination of anti-Sm antibodies, while for the determination of anti-Sm and/or anti-U1RNP reactivity (antibodies to snRNPs) the corresponding values were 82% and 86%, respectively. In a comparison of the above assay with an ELISA, using Sm/U1RNP purified complex as immobilized antigen it was shown that the sensitivity of the anti-Sm/U1RNP ELISA in detecting anti-snRNPs was 74%; in addition sera with anti-Sm antibodies gave higher binding in the anti-(PPGMRPP)5-(SOC)5 ELISA compared with anti-Sm/U1RNP ELISA. Intra- and inter-assay precision was measured on four sera with reactivities extending into a wide range of absorbance values showed that the intra-assay coefficient of variation (CV%) ranged from 2.7 to 6 and the inter-assay CV% ranged from 9 to 14.5. These results indicate that the PPGMRPP peptide anchored to a pentameric SOC as a carrier is a suitable antigen for

  11. Policy Dialogue and Engagement between Non-Governmental Organizations and Government: A Survey of Processes and Instruments of Canadian Policy Workers

    Directory of Open Access Journals (Sweden)

    Bryan Mitchell Evans

    2013-07-01

    Full Text Available Various analysts have raised concerns respecting declining research, evaluation and analytical capacities within public services. Typically, the decline is attributed to reforms associated with neoliberal restructuring of the state and its concomitant managerial expression in New Public Management (NPM.  This has given rise to a conceptual shift now commonly captured as a movement from ‘government’ to ‘governance’. Policy advising from a new governance perspective entails an image of a more distributed policy advisory system where a plurality of actors, including non-state actors, engages with government in deliberating policy interventions to address collective problems.The original research presented here suggests that those responsible for policy work across four policy communities in the three Canadian provinces surveyed differ in terms of their capacities, depth of commitment to a specific policy file/field, roles and functions, as well as perceptions of the policy work that they undertake. Over the past several years, a number of primarily quantitative analyses examining the processes, tools and perspectives of Canadian federal and provincial government policy analysts have been published.  Consequently, a significant knowledge-base has been acquired respecting what government policy analysts do and their attitudes toward their work but very little is known about external interactions with non-governmental organizations (NGOs.

  12. The Sm-Nd history of KREEP. [in lunar rocks

    Science.gov (United States)

    Lugmair, G. W.; Carlson, R. W.

    1978-01-01

    Sm-Nd whole rock measurements on a variety of KREEP-rich samples from different landing sites are reported. Despite a variation of Nd and Sm concentrations of almost a factor of 3, the Sm-Nd ratios, as well as the Nd-143/Nd-144 values, show an extremely close grouping. No systematic differences between samples from different landing sites are resolved. These results are taken to be indicative of a moon-wide process having been responsible for the generation of the KREEP source reservoir, 4.36 plus or minus 0.06 AE ago, as estimated from model age calculation.

  13. Determination of the {sup 151}Sm half-life

    Energy Technology Data Exchange (ETDEWEB)

    Be, Marie-Martine; Cassette, Philippe [CEA, LIST, Gif sur Yvette (France). LNE-Laboratoire National Henri Becquerel; Isnard, Helene [CEA-LANIE, Gif sur Yvette (France); and others

    2015-07-01

    New measurements have been undertaken to determine the half-life of {sup 151}Sm. A pure {sup 151}Sm solution was obtained after chemical separation from a samarium solution resulting from the dissolution of an irradiated samarium sample. The concentration of {sup 151}Sm in the solution was measured by mass spectrometry, combined with the isotope dilution technique. The activity of the solution was measured by liquid scintillation counting by six European laboratories as part of an international comparison. These combined results lead to a half-life of T{sub 1/2} = 94.6(6)a.

  14. Scintillation, Afterglow and Thermoluminescence of CsI:Tl,Sm

    Science.gov (United States)

    Kappers, L. A.; Bartram, R. H.; Hamilton, D. S.; Lempicki, A.; Brecher, C.; Gaysinskiy, V.; Ovechkina, E. E.; Nagarkar, V. V.

    2010-11-01

    Experiments on co-doped CsI:Tl,Sm suggest that samarium electron traps scavenge electrons from thallium traps and that electrons subsequently released by samarium recombine non-radiatively with trapped holes, thus suppressing afterglow. These experiments support the inference that electrons tunnel freely between samarium ions and are trapped preferentially as substitutional Sm+ near VKA(Tl+) centers where non-radiative recombination is the rate-limiting step. Combined radioluminescence, afterglow and thermoluminescence on single-crystal samples of CsI:Tl and CsI:Tl,Sm, recorded sequentially at adjusted gain settings following low-temperature irradiation, reveal reversible radiation damage as well.

  15. Hvordan vurderer vi småbørnstraumer?

    DEFF Research Database (Denmark)

    Karsberg, Sidsel

    2012-01-01

    Der er meget begrænset viden om, i hvilken grad små børn påvirkes af traumatiske og stressfulde oplevelser. En meget udbredt teori har været, at helt små børn ikke påvirkes af disse oplevelser i samme grad som ældre børn og voksne, fordi de er for små til at sætte ord på dem. Nyere forskning vise...

  16. PHONON SOFTENING IN INTERMEDIATE VALENT SmB6

    OpenAIRE

    Mörke, I.; Wachter, P.

    1981-01-01

    We have measured the Raman spectrum of a SmB6 single crystal and compared it to LaB6 and EuB6. Beside the three high energy Raman active phonons we found additional excitations in these compounds. Most prominent is a peak at 172 cm-1 for SmB6, 214 cm-1 for LaB6 and 220 cm-1 for EuB6. The spectra are analysed in terms of defect induced phonon scattering. The softening of the line in intermediate valent (IV) SmB6 is explained in analogy with the phonon anomalies found in other IV compounds.

  17. Luminescence properties of the Sm-doped borate glasses

    Energy Technology Data Exchange (ETDEWEB)

    Kindrat, I.I. [University of Zielona Góra, Institute of Physics, Division of Spectroscopy of Functional Materials, 4a Szafrana Street, 65-516 Zielona Góra (Poland); Padlyak, B.V., E-mail: B.Padlyak@if.uz.zgora.pl [University of Zielona Góra, Institute of Physics, Division of Spectroscopy of Functional Materials, 4a Szafrana Street, 65-516 Zielona Góra (Poland); Vlokh Institute of Physical Optics, 23 Dragomanov Street, 79-005 Lviv (Ukraine); Drzewiecki, A. [University of Zielona Góra, Institute of Physics, Division of Spectroscopy of Functional Materials, 4a Szafrana Street, 65-516 Zielona Góra (Poland)

    2015-10-15

    The optical absorption and photoluminescence (emission and excitation) spectra as well as decay kinetics of a series of the Sm-doped glasses with Li{sub 2}B{sub 4}O{sub 7}, LiKB{sub 4}O{sub 7}, CaB{sub 4}O{sub 7}, and LiCaBO{sub 3} compositions were investigated and analysed. The Li{sub 2}B{sub 4}O{sub 7}:Sm, LiKB{sub 4}O{sub 7}:Sm, CaB{sub 4}O{sub 7}:Sm, and LiCaBO{sub 3}:Sm glasses of high optical quality have been obtained from the corresponding polycrystalline compounds in the air atmosphere, using a standard glass technology. On the basis of electron paramagnetic resonance (EPR) and optical spectra analysis it was shown that the samarium impurity is incorporated into the glass network as Sm{sup 3+} (4f{sup 5}, {sup 6}H{sub 5/2}) ions, exclusively. All observed 4f – 4f transitions of the Sm{sup 3+} centres in the optical absorption and luminescence spectra of the investigated glasses are identified. Most intense emission band of the Sm{sup 3+} ions peaked about 598 nm ({sup 4}G{sub 5/2} → {sup 6}H{sub 7/2} transition) is characterised by a single exponential decay with typical lifetime values, which depend on the basic glass composition as well as concentration and local structure of the Sm{sup 3+} luminescence centres. The quantum efficiency has been evaluated for observed transitions of the Sm{sup 3+} centres using obtained experimental lifetimes and radiative lifetimes calculated by Judd–Ofelt theory. The calculated high quantum efficiencies and measured quantum yields of luminescence show that the investigated borate glasses are perspective luminescence materials. Energy transfer from the Ce{sup 3+} non-controlled impurity and intrinsic luminescence centres to the Sm{sup 3+} centres has been observed. Peculiarities of the Sm{sup 3+} local structure in the network of investigated glasses have been discussed based on the obtained spectroscopic results and structural data. - Highlights: • The Sm-doped Li{sub 2}B{sub 4}O{sub 7}, LiKB{sub 4}O{sub 7}, Ca

  18. Magnetic properties of Sm5Fe17 melt-spun ribbons and their borides

    Directory of Open Access Journals (Sweden)

    Tetsuji Saito

    2015-10-01

    Full Text Available Sm5Fe17 melt-spun ribbons exhibited low coercivity and partly or mostly consisted of the amorphous phase. Annealing of Sm5Fe17 melt-spun ribbon resulted in the formation of the Sm5Fe17 phase. The annealed Sm5Fe17 melt-spun ribbon exhibited a high coercivity. It was found that the addition of B to the Sm5Fe17 alloy resulted in the promotion of the Sm2Fe14B phase. Annealed Sm5Fe17Bx (x = 0.5 melt-spun ribbons consisted of the Sm5Fe17 phase together with the Sm2Fe14B and SmFe2 phases. On the other hand, annealed Sm5Fe17Bx (x = 1.0-1.5 melt-spun ribbons consisted of the Sm2Fe14B and SmFe2 phases without the Sm5Fe17 phase. The resultant Sm5Fe17Bx (x = 1.0-1.5 melt-spun ribbons still showed a coercivity of around 2 kOe. The annealed Sm5Fe17 melt-spun ribbon exhibited a high coercivity over 25 kOe and a remanence of 40 emu/g, whereas the annealed Sm5Fe17B1.0 melt-spun ribbon exhibited a high remanence of 65 emu/g and a coercivity of 2.0 kOe.

  19. The snRNP core protein SmB and tissue-specific SmN protein are differentially distributed between snRNP particles.

    Science.gov (United States)

    Huntriss, J D; Latchman, D S; Williams, D G

    1993-01-01

    The SmN protein is a tissue specific component of the small nuclear ribonucleoprotein particle which is closely related to the ubiquitously expressed SmB protein but is expressed only in the brain and heart. To investigate the function of SmN, its localisation within different snRNP particles was investigated using a range of anti-snRNP monoclonal antibodies. SmN and SmB were found to exhibit different patterns of association with snRNP particles in two cell lines, ND7 and F9 which express SmN. In both cases, SmN was found to be present in the U-2 snRNP but was excluded from the U-1 snRNPs whereas SmB was present in both U-1 and U-2 snRNPs. Data from transfected 3T3 mouse fibroblasts cell lines artificially expressing a low level of SmN also confirm this observation. In contrast, SmN was found to be an integral component of both the U-1 and U-2 snRNPs in both 3T3 cells artificially expressing high levels of SmN and in adult rat brain which has a naturally high level of SmN expression. Taken together, the results suggest that the pre-U1 snRNP particle has a lower affinity for SmN than for SmB. Thus, SmN expressed at low levels incorporates into U2, but SmN expressed at high levels incorporates into both U1 and U2 snRNPs and replaces SmB. The significance of these effects is discussed in terms of the potential role played by SmN in constitutive and alternative splicing pathways in neuronal cells. Images PMID:8371979

  20. Digital Signal Processing Techniques for the GIFTS SM EDU

    Science.gov (United States)

    Tian, Jialin; Reisse, Robert A.; Gazarik, Michael J.

    2007-01-01

    The Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS) Sensor Module (SM) Engineering Demonstration Unit (EDU) is a high resolution spectral imager designed to measure infrared (IR) radiance using a Fourier transform spectrometer (FTS). The GIFTS instrument employs three Focal Plane Arrays (FPAs), which gather measurements across the long-wave IR (LWIR), short/mid-wave IR (SMWIR), and visible spectral bands. The raw interferogram measurements are radiometrically and spectrally calibrated to produce radiance spectra, which are further processed to obtain atmospheric profiles via retrieval algorithms. This paper describes several digital signal processing (DSP) techniques involved in the development of the calibration model. In the first stage, the measured raw interferograms must undergo a series of processing steps that include filtering, decimation, and detector nonlinearity correction. The digital filtering is achieved by employing a linear-phase even-length FIR complex filter that is designed based on the optimum equiripple criteria. Next, the detector nonlinearity effect is compensated for using a set of pre-determined detector response characteristics. In the next stage, a phase correction algorithm is applied to the decimated interferograms. This is accomplished by first estimating the phase function from the spectral phase response of the windowed interferogram, and then correcting the entire interferogram based on the estimated phase function. In the calibration stage, we first compute the spectral responsivity based on the previous results and the ideal Planck blackbody spectra at the given temperatures, from which, the calibrated ambient blackbody (ABB), hot blackbody (HBB), and scene spectra can be obtained. In the post-calibration stage, we estimate the Noise Equivalent Spectral Radiance (NESR) from the calibrated ABB and HBB spectra. The NESR is generally considered as a measure of the instrument noise performance, and can be estimated as

  1. Nuclear Sm antigens in the sperm of different organisms.

    Science.gov (United States)

    Delgado, F; Brito, M; Concha, I I; Schroeder, R; Burzio, L O

    1994-08-01

    Immunoblot analysis of sperm protein from several species revealed the presence of polypeptides recognised by anti-Sm sera obtained from patients with systemic lupus erythematosus. Immunoreactive polypeptides in human, bull, mouse and rat sperm were identified as protein B', B and D as compared with the Sm polypeptides of HeLa cells. In the sperm of rooster, the teleost fish Cyprinus carpio and the mussel Choromytilus chorus, the immunoreactive polypeptide profile was more complex. To ascertain the sperm origin of the Sm antigens, immunolocalisation with anti-Sm serum was carried out. The results demonstrated that in all the species studied staining was confined to the sperm nucleus, confirming that some polypeptides of the small nuclear ribonucleoprotein complex are present in the gamete.

  2. Prevenciniai smūgiai kaip politikos priemonė

    OpenAIRE

    Jakštaitė, Gerda

    2008-01-01

    XXI a. iškilus asimetrinio pobūdžio grėsmėms (terorizmui, masinio naikinimo ginklų plitimui), atkreiptas dėmesys į prevencinius smūgius kaip naują gynybos priemonę. Pirmoji apie tai prabilo JAV. Ketinimą panaudoti prevencinius smūgius išreiškė ir Rusija, D. Britanija, Izraelis, tačiau JAV kol kas yra vienintelė, panaudojusi tokią politikos priemonę. Kyla klausimas, ar JAV pavyzdžiu nepaseks ir kitos valstybės. Straipsnyje, pasitelkus tam tikrus faktorius ir JAV atvejį kaip prevencinį smūgį pa...

  3. The simultaneous mass and energy evaporation (SM2E) model.

    Science.gov (United States)

    Choudhary, Rehan; Klauda, Jeffery B

    2016-01-01

    In this article, the Simultaneous Mass and Energy Evaporation (SM2E) model is presented. The SM2E model is based on theoretical models for mass and energy transfer. The theoretical models systematically under or over predicted at various flow conditions: laminar, transition, and turbulent. These models were harmonized with experimental measurements to eliminate systematic under or over predictions; a total of 113 measured evaporation rates were used. The SM2E model can be used to estimate evaporation rates for pure liquids as well as liquid mixtures at laminar, transition, and turbulent flow conditions. However, due to limited availability of evaporation data, the model has so far only been tested against data for pure liquids and binary mixtures. The model can take evaporative cooling into account and when the temperature of the evaporating liquid or liquid mixture is known (e.g., isothermal evaporation), the SM2E model reduces to a mass transfer-only model.

  4. Preparing different phases of Mg-Li-Sm alloys by molten salt electrolysis in LiCl-KCl-MgCl_2-SmCl_3 melts

    Institute of Scientific and Technical Information of China (English)

    韩伟; 田阳; 张密林; 叶克; 赵全友; 魏树权

    2010-01-01

    Different phases of Mg-Li-Sm alloys were prepared by galvanostatic electrolysis in LiCl-KCl-MgCl2-SmCl3 melts at 670 °C.The electrolysis process and phase control of Mg-Li-Sm alloys were studied.The microstructures of α,α+β,β phases of Mg-Li-Sm alloys were characterized by X-ray diffraction(XRD) and optical microscope(OM).Analysis of scanning electron microscopy(SEM) and EDS mapping analysis showed that Mg distributed homogeneously in Mg-Li-Sm alloys.EDS result showed that the distribution of Sm was more at...

  5. Exchange and crystal field in Sm-based magnets. I. Inelastic neutron scattering and high-field magnetization study of Sm2Fe17 and Sm2Fe17N3

    Science.gov (United States)

    Sippel, A.; Jahn, L.; Loewenhaupt, M.; Eckert, D.; Kerschl, P.; Handstein, A.; Müller, K.-H.; Wolf, M.; Kuz'Min, M. D.; Steinbeck, L.; Richter, M.; Teresiak, A.; Bewley, R.

    2002-02-01

    A peak is detected in the high-energy inelastic neutron scattering spectra of Sm2Fe17 and Sm2Fe17N3, which is associated with the intermultiplet transition in the 4f shell of samarium. The peak in the nitride Sm2Fe17N3 is situated at a lower energy (163 meV) as compared with the parent compound Sm2Fe17 (177 meV). The peak position provides direct information on the strength of the exchange field on Sm in both compounds: Bex=380 and 270 T in Sm2Fe17 and Sm2Fe17N3, respectively. The 30% reduction in Bex as a result of nitrogenating Sm2Fe17 is consistent with the earlier discovered similar effect in Gd2Fe17. High-field (B=-28 meV.

  6. Strategic Material Shortfall Risk Mitigation Optimization Model (OPTIM-SM)

    Science.gov (United States)

    2013-04-01

    contracts, could be added to the existing mix . Market 40 responses to supply and demand shocks could be modeled more explicitly as could...Model (OPTIM-SM) James S. Thomason, Project Leader D. Sean Barnett James P. Bell Jerome Bracken Eleanor L. Schwartz INSTITUTE FOR DEFENSE ANALYSES 4850...Risk Mitigation Optimization Model (OPTIM-SM) James S. Thomason, Project Leader D. Sean Barnett James P. Bell Jerome Bracken Eleanor L. Schwartz iii

  7. Optical Instruments

    Science.gov (United States)

    1990-01-01

    Precision Lapping and Optical Co. has developed a wide variety of hollow retroreflector systems for applications involving the entire optical spectrum; they are, according to company literature, cheaper, more accurate, lighter and capable of greater size than solid prisms. Precision Lapping's major customers are aerospace and defense companies, government organizations, R&D and commercial instrument companies. For example, Precision Lapping supplies hollow retroreflectors for the laser fire control system of the Army's Abrams tank, and retroreflectors have been and are being used in a number of space tests relative to the Air Force's Strategic Defense Initiative research program. An example of a customer/user is Chesapeake Laser Systems, producer of the Laser Tracker System CMS-2000, which has applications in SDI research and industrial robotics. Another customer is MDA Scientific, Inc., manufacturer of a line of toxic gas detection systems used to monitor hazardous gases present in oil fields, refineries, offshore platforms, chemical plants, waste storage sites and other locations where gases are released into the environment.

  8. Energetics of nonequilibrium solidification in Al-Sm

    Science.gov (United States)

    Zhou, S. H.; Napolitano, R. E.

    2008-11-01

    Solution-based thermodynamic modeling, aided by first-principles calculations, is employed here to examine phase transformations in the Al-Sm binary system which may give rise to product phases that are metastable or have a composition that deviates substantially from equilibrium. In addition to describing the pure undercooled Al liquid with a two-state model that accounts for structural ordering, thermodynamic descriptions of the fcc phase, and intermediate compounds ( Al4Sm-β , Al11Sm3-α , Al3Sm-δ , and Al2Sm-σ ) are reanalyzed using special quasirandom structure and first-principles calculations. The possible phase compositions are presented over a range of temperatures using a “Baker-Cahn” analysis of the energetics of solidification and compared with reports of rapid solidification. The energetics associated with varying degrees of chemical partitioning are quantified and compared with experimental observations of the metastable Al11Sm3-α primary phase and reports of amorphous solids.

  9. Crystallization behaviour of Al-Sm amorphous alloys

    Energy Technology Data Exchange (ETDEWEB)

    Battezzati, L. (Dipartimento di Chimica Inorganica, Chimica Fisica e Chimica dei Materiali, Universita di Torino, Via P. Giuria 9, 10125 Torino (Italy)); Baricco, M. (Dipartimento di Chimica Inorganica, Chimica Fisica e Chimica dei Materiali, Universita di Torino, Via P. Giuria 9, 10125 Torino (Italy)); Schumacher, P. (Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, Cambridge CB2 3QZ (United Kingdom)); Shih, W.C.; Greer, A.L.

    1994-05-01

    Various Al[sub 100-x]Sm[sub x] alloys (10[<=]qslantx[<=]qslant14) have been rapidly solidified by single-roller melt spinning with careful control of the atmosphere in the quenching device. The structural state and subsequent devitrification behaviour of the melt-spun ribbons are found to be particularly sensitive to the quenching conditions. Except for the thinnest ribbons, there are inhomogeneities both through the ribbon thickness and along the length. Both fully and partially amorphous ribbons have been obtained. The crystallization processes of the amorphous phases have been followed by X-ray diffraction, transmission electron microscopy and differential scanning calorimetry (DSC). Al[sub 92]Sm[sub 8] shows primary crystallization of Al, followed by the formation of metastable phases; Al[sub 90]Sm[sub 10] transforms polymorphically to a metastable intermetallic; Al[sub 88]Sm[sub 12] and Al[sub 86]Sm[sub 14] display eutectic crystallization into Al and a metastable mixture of compounds. For Al[sub 90]Sm[sub 10], the DSC traces involve several overlapping peaks. This may be the result of transformations occurring in distinct parts of the ribbon with different mechanisms. A kinetic analysis of the crystallization processes has been performed by means of isothermal and non-isothermal DSC experiments. A discussion of the kinetic parameters derived from Kissinger and Avrami analyses is provided. ((orig.))

  10. 31 CFR 585.315 - Person in the FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false Person in the FRY (S&M). 585.315... General Definitions § 585.315 Person in the FRY (S&M). The term person in the FRY (S&M) includes any... under the laws of any jurisdiction in the FRY (S&M)....

  11. CARMENES instrument overview

    Science.gov (United States)

    Quirrenbach, A.; Amado, P. J.; Caballero, J. A.; Mundt, R.; Reiners, A.; Ribas, I.; Seifert, W.; Abril, M.; Aceituno, J.; Alonso-Floriano, F. J.; Ammler-von Eiff, M.; Antona Jiménez, R.; Anwand-Heerwart, H.; Azzaro, M.; Bauer, F.; Barrado, D.; Becerril, S.; Béjar, V. J. S.; Benítez, D.; Berdiñas, Z. M.; Cárdenas, M. C.; Casal, E.; Claret, A.; Colomé, J.; Cortés-Contreras, M.; Czesla, S.; Doellinger, M.; Dreizler, S.; Feiz, C.; Fernández, M.; Galadí, D.; Gálvez-Ortiz, M. C.; García-Piquer, A.; García-Vargas, M. L.; Garrido, R.; Gesa, L.; Gómez Galera, V.; González Álvarez, E.; González Hernández, J. I.; Grözinger, U.; Guàrdia, J.; Guenther, E. W.; de Guindos, E.; Gutiérrez-Soto, J.; Hagen, H.-J.; Hatzes, A. P.; Hauschildt, P. H.; Helmling, J.; Henning, T.; Hermann, D.; Hernández Castaño, L.; Herrero, E.; Hidalgo, D.; Holgado, G.; Huber, A.; Huber, K. F.; Jeffers, S.; Joergens, V.; de Juan, E.; Kehr, M.; Klein, R.; Kürster, M.; Lamert, A.; Lalitha, S.; Laun, W.; Lemke, U.; Lenzen, R.; López del Fresno, Mauro; López Martí, B.; López-Santiago, J.; Mall, U.; Mandel, H.; Martín, E. L.; Martín-Ruiz, S.; Martínez-Rodríguez, H.; Marvin, C. J.; Mathar, R. J.; Mirabet, E.; Montes, D.; Morales Muñoz, R.; Moya, A.; Naranjo, V.; Ofir, A.; Oreiro, R.; Pallé, E.; Panduro, J.; Passegger, V.-M.; Pérez-Calpena, A.; Pérez Medialdea, D.; Perger, M.; Pluto, M.; Ramón, A.; Rebolo, R.; Redondo, P.; Reffert, S.; Reinhardt, S.; Rhode, P.; Rix, H.-W.; Rodler, F.; Rodríguez, E.; Rodríguez-López, C.; Rodríguez-Pérez, E.; Rohloff, R.-R.; Rosich, A.; Sánchez-Blanco, E.; Sánchez Carrasco, M. A.; Sanz-Forcada, J.; Sarmiento, L. F.; Schäfer, S.; Schiller, J.; Schmidt, C.; Schmitt, J. H. M. M.; Solano, E.; Stahl, O.; Storz, C.; Stürmer, J.; Suárez, J. C.; Ulbrich, R. G.; Veredas, G.; Wagner, K.; Winkler, J.; Zapatero Osorio, M. R.; Zechmeister, M.; Abellán de Paco, F. J.; Anglada-Escudé, G.; del Burgo, C.; Klutsch, A.; Lizon, J. L.; López-Morales, M.; Morales, J. C.; Perryman, M. A. C.; Tulloch, S. M.; Xu, W.

    2014-07-01

    This paper gives an overview of the CARMENES instrument and of the survey that will be carried out with it during the first years of operation. CARMENES (Calar Alto high-Resolution search for M dwarfs with Exoearths with Near-infrared and optical Echelle Spectrographs) is a next-generation radial-velocity instrument under construction for the 3.5m telescope at the Calar Alto Observatory by a consortium of eleven Spanish and German institutions. The scientific goal of the project is conducting a 600-night exoplanet survey targeting ~ 300 M dwarfs with the completed instrument. The CARMENES instrument consists of two separate echelle spectrographs covering the wavelength range from 0.55 to 1.7 μm at a spectral resolution of R = 82,000, fed by fibers from the Cassegrain focus of the telescope. The spectrographs are housed in vacuum tanks providing the temperature-stabilized environments necessary to enable a 1 m/s radial velocity precision employing a simultaneous calibration with an emission-line lamp or with a Fabry-Perot etalon. For mid-M to late-M spectral types, the wavelength range around 1.0 μm (Y band) is the most important wavelength region for radial velocity work. Therefore, the efficiency of CARMENES has been optimized in this range. The CARMENES instrument consists of two spectrographs, one equipped with a 4k x 4k pixel CCD for the range 0.55 - 1.05 μm, and one with two 2k x 2k pixel HgCdTe detectors for the range from 0.95 - 1.7μm. Each spectrograph will be coupled to the 3.5m telescope with two optical fibers, one for the target, and one for calibration light. The front end contains a dichroic beam splitter and an atmospheric dispersion corrector, to feed the light into the fibers leading to the spectrographs. Guiding is performed with a separate camera; on-axis as well as off-axis guiding modes are implemented. Fibers with octagonal cross-section are employed to ensure good stability of the output in the presence of residual guiding errors. The

  12. The integration of similar clinical research data collection instruments.

    Science.gov (United States)

    Cohen, Dorothy B; Frawley, Sandra J; Shifman, Mark A; Miller, Perry L; Brandt, Cynthia

    2003-01-01

    We devised an algorithm for integrating similar clinical research data collection instruments to create a common measurement instrument. We tested this algorithm using questions from several similar surveys. We encountered differing levels of granularity among questions and responses across surveys resulting in either the loss of granularity or data. This algorithm may make survey integration more systematic and efficient.

  13. Preparation and electromagnetic wave absorption properties of Sm2O3/α-Fe/Sm2Fe17Nx composites

    Science.gov (United States)

    Ye, Jinwen; Liu, Ying; Zhang, Jiao; Chen, Xianfu; Yao, Mingying

    2013-06-01

    Sm2O3/α-Fe/Sm2Fe17Nx composites were prepared in situ by hydrogenation-disproportionation-oxygen-desorption-recombination and nitrogen process, and their electromagnetic wave absorption properties were measured in the frequency range of 0.5-18 GHz. The result showed that saturation magnetization and coercivity of as-prepared powder with 25.3 wt% Sm2O3, 64.4 wt% α-Fe and 10.3 wt% Sm2Fe17N3 were 134.57 emu/g and 654.5 G, respectively. The dielectric constant of composites was low over the frequency range of 0.5-18 GHz, and their resonance frequencies were at a high frequency range. The resin composite of Sm2O3/α-Fe/Sm2Fe17N3 exhibited effective electromagnetic wave absorption (RL≤20 dB) in a frequency range 3-9 GHz, for absorber thickness ranging from 3 to 8 mm, respectively. A minimum reflection loss of -53 dB from the samples was observed at 7 GHz with an absorber thickness of 3.59 mm.

  14. Prospective dosimetry with {sup 99m}Tc-MDP in metabolic radiotherapy of bone metastases with {sup 153}Sm-EDTMP

    Energy Technology Data Exchange (ETDEWEB)

    Bianchi, L.; Marzoli, L. [Azienda Ospedaliera ' ' Ospedale di Circolo di Busto Arsizio' ' , Struttura Complessa di Fisica Sanitaria, Busto Arsizio, Varese (Italy); Baroli, A. [A.O. ' ' Ospedale di Circolo di Busto Arsizio' ' , Struttura Complessa di Medicina Nucleare, Busto Arsizio, Varese (Italy); Verusio, C. [A.O. ' ' Ospedale di Circolo di Busto Arsizio' ' , Struttura Complessa di Oncologia Medica, Saronno, Varese (Italy); Chiesa, C. [Fondazione Istituto Nazionale Tumori Milano, Struttura Complessa di Medicina Nucleare, Milan (Italy); Pozzi, L. [Azienda Ospedaliera ' ' Ospedale di Circolo di Busto Arsizio' ' , Struttura Complessa di Fisica Sanitaria, Busto Arsizio, Varese (Italy)]|[Universita degli Studi di Milano, Scuola di Specializzazione di Fisica Sanitaria, Milan (Italy)

    2009-01-15

    -EDTMP rate of retention. The proposed method can be usefully adopted for prospective dosimetry seeing its extreme simplicity, and it requires no special investment in terms of human or instrumental resources. This allows an optimization of administered {sup 153}Sm-EDTMP activity. (orig.)

  15. Social media use among young rheumatologists and basic scientists: results of an international survey by the Emerging EULAR Network (EMEUNET).

    Science.gov (United States)

    Nikiphorou, Elena; Studenic, Paul; Ammitzbøll, Christian Gytz; Canavan, Mary; Jani, Meghna; Ospelt, Caroline; Berenbaum, Francis

    2017-04-01

    To explore perceptions, barriers and patterns of social media (SM) use among rheumatology fellows and basic scientists. An online survey was disseminated via Twitter, Facebook and by email to members of the Emerging European League Against Rheumatism Network. Questions focused on general demographics, frequency and types of SM use, reasons and barriers to SM use. Of 233 respondents (47 countries), 72% were aged 30-39 years, 66% female. 83% were active users of at least one SM platform and 71% were using SM professionally. The majority used SM for communicating with friends/colleagues (79%), news updates (76%), entertainment (69%), clinical (50%) and research (48%) updates. Facebook was the dominant platform used (91%). SM was reported to be used for information (81%); for expanding professional networks (76%); new resources (59%); learning new skills (47%) and establishing a professional online presence (46%). 30% of non-SM users justified not using SM due to lack of knowledge. There was a substantial use of SM by rheumatologists and basic scientists for social and professional reasons. The survey highlights a need for providing learning resources and increasing awareness of the use of SM. This could enhance communication, participation and collaborative work, enabling its more widespread use in a professional manner. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

  16. Role of SM22 in the differential regulation of phasic vs. tonic smooth muscle.

    Science.gov (United States)

    Rattan, Satish; Ali, Mehboob

    2015-04-01

    Preliminary proteomics studies between tonic vs. phasic smooth muscles identified three distinct protein spots identified to be those of transgelin (SM22). The latter was found to be distinctly downregulated in the internal anal sphincter (IAS) vs. rectal smooth muscle (RSM) SMC. The major focus of the present studies was to examine the differential molecular control mechanisms by SM22 in the functionality of truly tonic smooth muscle of the IAS vs. the adjoining phasic smooth muscle of the RSM. We monitored SMC lengths before and after incubation with pFLAG-SM22 (for SM22 overexpression), and SM22 small-interfering RNA. pFLAG-SM22 caused concentration-dependent and significantly greater relaxation in the IAS vs. the RSM SMCs. Conversely, temporary silencing of SM22 caused contraction in both types of the SMCs. Further studies revealed a significant reverse relationship between the levels of SM22 phosphorylation and the amount of SM22-actin binding in the IAS and RSM SMC. Data showed higher phospho-SM22 levels and decreased SM22-actin binding in the IAS, and reverse to be the case in the RSM SMCs. Experiments determining the mechanism for SM22 phosphorylation in these smooth muscles revealed that Y-27632 (Rho kinase inhibitor) but not Gö-6850 (protein kinase C inhibitor) caused concentration-dependent decreased phosphorylation of SM22. We speculate that SM22 plays an important role in the regulation of basal tone via Rho kinase-induced phosphorylation of SM22.

  17. Plane and geodetic surveying

    CERN Document Server

    Johnson, Aylmer

    2004-01-01

    Plane and Geodetic Surveying blends theory and practice, conventional techniques and GPS, to provide the ideal book for students of surveying.Detailed guidance is given on how and when the principle surveying instruments (theodolites, Total Stations, levels and GPS) should be used. Concepts and formulae needed to convert instrument readings into useful results are explained. Rigorous explanations of the theoretical aspects of surveying are given, while at the same time a wealth of useful advice about conducting a survey in practice is provided. An accompanying least squares adjustment program

  18. Optimising the effect of policy instruments

    DEFF Research Database (Denmark)

    Pedersen, Anders Branth; Nielsen, Helle Ørsted; Christensen, Tove

    2012-01-01

    as a case, this paper examines whether non-economic rationales may trump economic ones in farmer decisions, and, unlike previous research, we quantify how widespread non-economic values are compared to more economic values. Data derive from a survey (1164 responses) of Danish conventional farmers' decision...... to policy instruments; farmers who focus on yield indicate less responsiveness to economic policy instruments. The results imply that it is important to implement a broad array of policy instruments to match different farmer rationales....

  19. Instrumentation for Environmental Monitoring: Water, Volume 2.

    Science.gov (United States)

    California Univ., Berkeley. Lawrence Berkeley Lab.

    This volume is one of a series discussing instrumentation for environmental monitoring. Each volume contains an overview of the basic problems, comparisons among the basic methods of sensing and detection, and notes that summarize the characteristics of presently available instruments and techniques. The text of this survey discusses the…

  20. The 4MOST instrument concept overview

    NARCIS (Netherlands)

    Haynes, Roger; Barden, Samuel; de Jong, Roelof; Schnurr, Olivier; Bellido, Olga; Walcher, Jakob; Haynes, Dionne; Winkler, Roland; Bauer, Svend-Marian; Dionies, Frank; Saviauk, Allar; Chiappini, Cristina; Schwope, Axel; Brynnel, Joar; Steinmetz, Matthias; McMahon, Richard; Feltzing, Sofia; Francois, Patrick; Trager, Scott; Parry, Ian; Irwin, Mike; Walton, Nicholas; King, David; Sun, David; Gonzalez-Solares, Eduaro; Tosh, Ian; Dalton, Gavin; Middleton, Kevin; Bonifacio, Piercarlo; Jagourel, Pascal; Mignot, Shan; Cohen, Mathieu; Amans, Jean-Philippe; Royer, Frederic; Sartoretti, Paola; Pragt, Johan; Gerlofsma, Gerrit; Roelfsema, Ronald; Navarro, Ramon; Thimm, Guido; Seifert, Walter; Christlieb, Norbert; Mandel, Holger; Trifonov, Trifon; Xu, Wenli; Lang-Bardl, Florian; Muschielok, Bernard; Schlichter, Jörg; Hess, Hans-Joachim; Grupp, Frank; Boehringer, Hans; Boller, Thomas; Dwelly, Tom; Bender, Ralf; Rosati, Piero; Iwert, Olaf; Finger, Gert; Lizon L'Allemand, Jean-Louis; Saunders, Will; Sheinis, Andrew; Frost, Gabriella; Farrell, Tony; Waller, Lewis; Depagne, Eric; Laurent, Florence; Caillier, Patrick; Kosmalski, Johan; Richard, Johan; Bacon, Roland; Ansorge, Wolfgang

    2014-01-01

    The 4MOST[1] instrument is a concept for a wide-field, fibre-fed high multiplex spectroscopic instrument facility on the ESO VISTA telescope designed to perform a massive (initially >25x106 spectra in 5 years) combined all-sky public survey. The main science drivers are: Gaia follow up of chemo-dyna

  1. 浅谈新技术、新仪器在城市测绘中的应用%Discussion on New Technologies and New Instruments in Urban Surveying Applications

    Institute of Scientific and Technical Information of China (English)

    侯惠儒

    2012-01-01

    伴随着测绘科学技术的不断进步发展,城市测绘涌现出很多新技术、新仪器。GPS网络RTK技术、电子水准仪、三维全景采集车、数字城市、探地雷达、三维地下管线信息系统正是这些科技发展的前沿。介绍了这几种常见新技术、新仪器在城市测绘中的应用。%With the development of science and technology of surveying, lots of new technologies and new instruments come out. This paper introduces the following information--GPS network RTK technology, electronic level, 3D panoramic acquisition vehicle, digital city, Ground Penetrating Radar, 3D underground pipeline integrated management system, which are the forefront development of the science and technology.

  2. Samarium Sm 153 lexidronam for the palliation of painful bone metastases

    Energy Technology Data Exchange (ETDEWEB)

    Goeckeler, W.F. [Cytogen Corporation, Princeton, NJ (United States). Pharmaceutical Development

    1998-12-01

    Phosphorus-32 ({sup 32}P) and strontium-89 ({sup 89}Sr) have been used as systemically administered radiotherapeutic agents for the palliation of osteoblastic skeletal metastases. The use of each of these radionuclides may be limited as a result of less than desirable biochemical and/or nuclear properties. Samarium Sm 153 lexidronam (Quadramet) is a 1:1 complex of radioactive samarium and a tetraphosphonate chelator, ethylenediaminetetram- ethylenephosphonic acid (EDTMP). Samarium Sm 153 lexidronam has an affinity for skeletal tissue and concentrates in areas of enhanced osteoblastic activity. The radioisotope, with a half-life of 46.3 hours, emits a 103 keV gamma ray suitable for external imaging and a number of beta particles (average energy 233 keV) appropriate for localised radiotherapy. In a series of clinical trials, relief of pain has been observed after the intravenous administration of this drug, using both patient and physician rated instruments. The onset of pain relief was rapid and long lasting; the median duration of response being grater than 6 weeks. A mild and transient myelosuppression was the only significant adverse effect associated with the administration of Quadramet 8 refs., 1 tab., 2 figs.

  3. Magnetic property and microstructure of SmCo magnetic recording films

    Institute of Scientific and Technical Information of China (English)

    LI; Ning; LI; Shuai

    2009-01-01

    Cr/SmCo/Cr thin films with Sm concentration of 37.7 at.% were deposited on glass substrates by magnetron sputtering. Meas-urement of magnetic properties showed that the SmCo film possessed good magnetic anisotropy, a high coercivity of 3019 kA/m and low magnetic exchange coupling. Microstructure analysis showed that crystallized SmCo5 magnetic phase, non-magnetic SmCo2 phase and Sm2Co7 phase co-existed ill the film. The non-magnetic SmCo2 phase might function as isolator of SmCo grains, leading to a decrease of magnetic exchange coupling. Moreover, a Cr2)3 oxide layer which could protect the SmCo layer from oxidation formed at the surface of the Cr cap layer.

  4. Exchange and crystal field in Sm-based magnets. II. Phenomenological analysis and density functional calculations

    Science.gov (United States)

    Kuz'Min, Michael D.; Steinbeck, Lutz; Richter, Manuel

    2002-02-01

    A technique of determining the exchange field Bex on the 4f shell of Sm atoms in Sm-based magnets is proposed. It makes use of the 4f intermultiplet transition in Sm, observed in inelastic neutron scattering (INS) experiments. The method is used to analyze previously published data for a number of Sm-Fe and Sm-Co intermetallics, for all of which Bex is determined. Additional information on intramultiplet transitions in SmCo5 and Sm2Co17 makes it possible to obtain more accurate Bex values as well as to estimate the leading crystal field parameter (CFP) A02 for these compounds. For the same systems an independent determination of A02 is carried out using published magnetization curves and the Bex values found from the INS spectra. The two ``experimental'' values of A02 (INS and magnetization) agree well. For comparison, theoretical Sm-Co exchange fields and CFP for SmCo5 and Sm2Co17 are obtained from full-potential density-functional calculations. The theoretical A02 are shifted toward more negative values with respect to their experimental counterparts by a few millielectronvolts. The calculated Sm-Co exchange fields are in fair agreement with the experimentally determined values of the total exchange field on Sm, Bex, the weak Sm-Sm exchange interaction being accountable for the remaining small discrepancies.

  5. Thermal neutron cross-section and resonance integral of the 152Sm(n,γ)153Sm reaction induced by pulsed neutrons

    Science.gov (United States)

    Van Do, Nguyen; Khue, Pham Duc; Thanh, Kim Tien; Hien, Nguyen Thi; Kim, Guinyun; Kim, Kwangsoo; Shin, Sung-Gyun; Kye, Yong-Uk; Cho, Moo-Hyun

    2017-10-01

    We measured the thermal neutron cross-section (σ0) and resonance integral (I0) of the 152Sm(n,γ)153Sm reaction relative to that of the 197Au(n,γ)198Au reaction. Sm and Au foils with and without a cadmium cover of 0.5 mm were irradiated with moderated pulsed neutrons produced from the electron linac. The induced activities of the reaction products were determined via high energy resolution HPGe detector. The present results: σ0,Sm =212±8 b and I0,Sm =3.02±0.19 kb are consistent with most of the existing reference data.

  6. Superconductivity in Co-doped SmFeAsO

    Energy Technology Data Exchange (ETDEWEB)

    Qi Yanpeng; Gao Zhaoshun; Wang Lei; Wang Dongliang; Zhang Xianping; Ma Yanwei [Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering, Chinese Academy of Sciences, PO Box 2703, Beijing 100190 (China)], E-mail: ywma@mail.iee.ac.cn

    2008-11-15

    Here we report the synthesis and characterizations of SmFe{sub 1-x}Co{sub x}AsO (x = 0.10, 0.15) for the first time. The parent compound SmFeAsO itself is not superconducting but shows an antiferromagnetic order near 150 K, which must be suppressed by doping before superconductivity emerges. With Co doping in the FeAs planes, antiferromagnetic order is destroyed and superconductivity occurs at 15.2 K. Similar to LaFe{sub 1-x}Co{sub x}AsO, the SmFe{sub 1-x}Co{sub x}AsO system appears to tolerate considerable disorder in the FeAs planes. This result is important, suggesting a different mechanism for cuprate superconductors compared to the iron-based arsenide ones.

  7. Preparation and characterisation of compositionally graded SmCo films

    Science.gov (United States)

    Dias, Andre; Gomez, Gabriel; Givord, Dominique; Bonfim, Marlio; Dempsey, Nora M.

    2017-05-01

    A compositionally graded SmCo film has been prepared by magnetron sputtering using a Co target partially covered by a Sm foil. The film was deposited onto a 100 mm thermally oxidised Si substrate and then annealed ex-situ. The SmCo film has been used as a test sample to validate an in-house developed scanning MOKE (Magneto-Optic Kerr effect) system incorporating a pulsed magnetic field source capable of producing fields as high as 10 T. A 2D array of hysteresis loops was measured across the entire wafer. The evolution in coercivity measured along a selected 1D strip of the sample is correlated with changes in composition and crystallographic structures measured using Energy Dispersive Spectroscopy and X-ray diffraction. The high field Scanning MOKE system holds much potential for optimizing the extrinsic properties of known hard magnetic phases as well as in the search for new hard magnetic phases.

  8. Low energy neutron inelastic scattering on /sup 152/Sm nucleus

    Energy Technology Data Exchange (ETDEWEB)

    Fernandez, D.J.R.; Cabezas, S.R.; Lopez, M.R.

    1984-01-01

    A study of inelastic neutron scattering by the nucleus /sup 152/Sm at incident energies of 2.47 and 2.75 MeV using the coupled-channel method has been made. Consideration is made of the 2/sup +//0.122 MeV/, 4/sup +//0.366 MeV/ and 2/sup +//1.086 MeV/excited states. It is shown that in this energy range the process may be described satisfactorily considering /sup 152/Sm as a deformed nucleus with non-axial symmetry, given the quadrupole and hexadecapole deformations. The scattering process through the compound nucleus is calculated according to the Hauser-Feshbach formula with width fluctuation correction. It is shown that the presence of direct excitation process is partly due to the non-axiality of /sup 152/Sm.

  9. Scintillation, Afterglow and Thermoluminescence of CsI:Tl,Sm

    Energy Technology Data Exchange (ETDEWEB)

    Kappers, L A; Bartram, R H; Hamilton, D S; Lempicki, A; Brecher, C; Gaysinskiy, V; Ovechkina, E E; Nagarkar, V V, E-mail: lawrence.kappers@uconn.edu

    2010-11-15

    Experiments on co-doped CsI:Tl,Sm suggest that samarium electron traps scavenge electrons from thallium traps and that electrons subsequently released by samarium recombine non-radiatively with trapped holes, thus suppressing afterglow. These experiments support the inference that electrons tunnel freely between samarium ions and are trapped preferentially as substitutional Sm{sup +} near V{sub KA}(Tl{sup +}) centers where non-radiative recombination is the rate-limiting step. Combined radioluminescence, afterglow and thermoluminescence on single-crystal samples of CsI:Tl and CsI:Tl,Sm, recorded sequentially at adjusted gain settings following low-temperature irradiation, reveal reversible radiation damage as well.

  10. Evaluation of an immunosuppressant side effect instrument.

    Science.gov (United States)

    Winsett, Rebecca P; Arheart, Kris; Stratta, Robert J; Alloway, Rita; Wicks, Mona N; Gaber, A Osama; Hathaway, Donna K

    2004-09-01

    Clinicians continue to be compelled to evaluate the impact of immunosuppressive medication side effects on the quality of life of transplant recipients. We Were asked to develop an instrument to measure side effects in immunosuppressed transplant recipients. To construct an instrument that measures the impact and severity of side effects of immunosuppressive medications used in transplantation and to assess the reliability and validity of the newly developed instrument called the Memphis Survey. The instrument was constructed by a panel of physicians, nurses, and pharmacists with experience in treating transplant recipients. A small group of kidney transplant recipients (n= 13) provided pilot data for refining and testing the instrument. A national sample of kidney, liver, and heart transplant recipients (n = 505) provided data that were used to further develop the instrument. Factor analysis was used to determine the psychological dimensions underlying the instrument and to guide the construction of scales from the survey items. The instrument scales were then computed from the dataset of 505 transplant recipients to quantify the impact of immunosuppressant side effects on the quality of life of transplant recipients. Analyses showed the final instrument scales to be valid and reliable. Exploratory analysis suggests the need for further testing of the instrument to determine gender differences.

  11. Z-Spec: A broadband spectrometer for millimeter-wave astrophysics---Instrument development and results of a molecular line survey of nearby star-forming galaxy NGC 253

    Science.gov (United States)

    Earle, Lieko

    We have built Z-Spec, a broadband spectrometer for millimeter-wave astrophysics. The instrument's instantaneous bandwidth of 185-305 GHz covers the entire 1 millimeter atmospheric transmission window with a moderate resolving power ( R = n/Dn) of 250-350. The spectrometer employs a novel architecture called WaFIRS (Waveguide Far-Infrared Spectrometer) which confines the light propagation for a curved diffraction grating within a parallel-plate waveguide, resulting in a minimum mechanical envelope. An array of 160 silicon- nitride micromesh bolometers is cooled to 60 mK via an adiabatic demagnetization refrigerator (ADR) backed by a closed-cycle 3 He- 4 He sorption pump refrigerator. Z-Spec's compact design serves as a concept demonstration for a future far-infrared spectrometer aboard a cold telescope in space. Routine observations with Z-Spec from the Caltech Submillimeter Observatory on Mauna Kea have been conducted since April 2006, and the instrument currently achieves good sensitivities that are within a factor of two of the photon background limit set by the atmosphere and telescope. Z-Spec's primary science objectives are to determine the redshifts of faint submillimeter galaxies using the 12 CO rotational ladder, and to conduct systematic line surveys of local galaxies. The millimeter waveband hosts low- to mid- J rotational transitions for several molecular species which trace the dense interstellar gas associated with active star formation. Z-Spec's bandwidth offers a unique advantage over the traditional single-dish heterodyne approach: the spectral lines and the corresponding continua are all observed simultaneously, greatly reducing relative uncertainties in flux calibration and line-to-continuum ratios. The starburst galaxy NGC 253 was observed with Z-Spec in November 2006, for a total integration of 3.49 hours over two nights. NGC 253 is one of the brightest neighbors outside the Local Group of galaxies and its compact nuclear region is a site of

  12. The optical phonon spectrum of SmFeAsO

    OpenAIRE

    Marini, C.; Mirri, C.; Profeta, G.; Lupi, S.; Di Castro, D.; Sopracase, R.; Postorino, P.; Calvani, P.; Perucchi, A.; Massidda, S.; Tropeano, G. M.; Putti, M.; Martinelli, A.; Palenzona, A.; Dore, P.

    2008-01-01

    We measured the Raman and the Infrared phonon spectrum of SmFeAsO polycrystalline samples. We also performed Density Functional Theory calculations within the pseudopotential approximation to obtain the structural and dynamical lattice properties of both the SmFeAsO and the prototype LaFeAsO compounds. The measured Raman and Infrared phonon frequencies are well predicted by the optical phonon frequencies computed at the Gamma point, showing the capability of the employed ab-initio methods to ...

  13. The Appliance of Code Switching in the SM Language

    Institute of Scientific and Technical Information of China (English)

    LI Chang

    2014-01-01

    Code-switching, a natural phenomenon that consists of alternating two or more languages in bilinguals ’discourse, has traditionally been examined in its oral production. For over three decades, much attention has been emphasized on its form, meaning, and grammatical patterns. However, very little research focuses on code-switching in short message form. Code switch-ing is a quite common phenomenon. As cell phones become the communication tools used by people more frequently, short mes-sage language (SM) attracts more attention by people. Through analyzing the code switching in the SM language, it will help us understand more about its use and explore more information for our study.

  14. Sodium samarium tetrakis(polyphosphate, NaSm(PO34

    Directory of Open Access Journals (Sweden)

    Dan Zhao

    2010-07-01

    Full Text Available NaSm(PO34 has been prepared by solid state reactions. It belongs to type II of the structural family of MILnIII(PO34 compounds (MI = alkali metal and LnIII = rare earth metal and is composed of ∞(PO3n]n− polyphosphate chains with a repeating unit of four PO4 tetrahedra. The chains extend parallel to [100] and share O atoms with irregular SmO8 polyhedra, forming a three-dimensional framework which delimits tunnels occupied by Na+ cations in a distorted octahedral environment.

  15. Presence of magnetic excitations in SmFeAsO

    Science.gov (United States)

    Pelliciari, Jonathan; Dantz, Marcus; Huang, Yaobo; Strocov, Vladimir N.; Xing, Lingyi; Wang, Xiancheng; Jin, Changqing; Schmitt, Thorsten

    2016-09-01

    We measured dispersive spin excitations in SmFeAsO, a parent compound of SmFeAsO1 -xFx and one of the highest temperature superconductors of Fe pnictides (TC ≈ 55 K). We determine the magnetic excitations to disperse with a bandwidth energy of ca 170 meV at (0.47, 0) and (0.34, 0.34), which merges into the elastic line approaching the Γ point. Comparing our results with other parent Fe pnictides, we show the importance of structural parameters for the magnetic excitation spectrum, with small modifications of the tetrahedron angles and As height strongly affecting the magnetism.

  16. Petri nets SM-cover-based on heuristic coloring algorithm

    Science.gov (United States)

    Tkacz, Jacek; Doligalski, Michał

    2015-09-01

    In the paper, coloring heuristic algorithm of interpreted Petri nets is presented. Coloring is used to determine the State Machines (SM) subnets. The present algorithm reduces the Petri net in order to reduce the computational complexity and finds one of its possible State Machines cover. The proposed algorithm uses elements of interpretation of Petri nets. The obtained result may not be the best, but it is sufficient for use in rapid prototyping of logic controllers. Found SM-cover will be also used in the development of algorithms for decomposition, and modular synthesis and implementation of parallel logic controllers. Correctness developed heuristic algorithm was verified using Gentzen formal reasoning system.

  17. Application of super total station instrument technology in the complex topographic survey%超站仪技术在复杂地形测量中的应用研究

    Institute of Scientific and Technical Information of China (English)

    李国明; 李国庆; 吕健; 吴晓萍

    2011-01-01

    In recent years, due to the rapid development of infrastructure and the conduct of the 5. 12 post-disaster reconstruction in China, topographic measurements increased significantly. However, as many of the construction area of the terrain is more complicated, for measurements made new demands, in addition to improving the conventional measurement methods, more efficient e-quipment are also needed to provide technical support. In this paper, taking Xianxugou 1:500 post-earthquake Geological Disaster Engineering Projects in Jiuzhaigou County of Sichuan Province for example, it introduced the principle of super total station in topographic measurement Combined with the construction area, it discussed the implementation methods, notes, measuring result' s repeatability and reproducibility and so on were analyzed. Finally, a method of measuring in complex terrain was taken. Super total station had more advantage than common measurement instruments in complex topographical surveys. This method would have a significant impact on other surveys.%由于很多施工区域的地形较为复杂,对测量工作提出了新的要求,除改进常规测量方法外,同时需要更高效的仪器提供技术保障.本文以震后四川省九寨沟县鲜浒沟地质灾害工程1:500地形测绘项目为例,介绍了超站仪在地形测量中的应用原理,结合施工区,讨论了其实施方法、注意事项、对测量成果的重复性、复现性等问题进行了分析,提出了复杂地形测量的新方法.实践证明,超站仪在复杂地形测量工作中较常规测量仪器有较大的优势.

  18. Evaluating musical instruments

    Energy Technology Data Exchange (ETDEWEB)

    Campbell, D. Murray

    2014-04-01

    Scientific measurements of sound generation and radiation by musical instruments are surprisingly hard to correlate with the subtle and complex judgments of instrumental quality made by expert musicians.

  19. Intensity Frontier Instrumentation

    Energy Technology Data Exchange (ETDEWEB)

    Kettell S.; Rameika, R.; Tshirhart, B.

    2013-09-24

    The fundamental origin of flavor in the Standard Model (SM) remains a mystery. Despite the roughly eighty years since Rabi asked “Who ordered that?” upon learning of the discovery of the muon, we have not understood the reason that there are three generations or, more recently, why the quark and neutrino mixing matrices and masses are so different. The solution to the flavor problem would give profound insights into physics beyond the Standard Model (BSM) and tell us about the couplings and the mass scale at which the next level of insight can be found. The SM fails to explain all observed phenomena: new interactions and yet unseen particles must exist. They may manifest themselves by causing SM reactions to differ from often very precise predictions. The Intensity Frontier (1) explores these fundamental questions by searching for new physics in extremely rare processes or those forbidden in the SM. This often requires massive and/or extremely finely tuned detectors.

  20. Coilin phosphorylation mediates interaction with SMN and SmB'.

    Science.gov (United States)

    Toyota, Cory G; Davis, Misty D; Cosman, Angela M; Hebert, Michael D

    2010-04-01

    Cajal bodies (CBs) are subnuclear domains that participate in spliceosomal small nuclear ribonucleoprotein (snRNP) biogenesis and play a part in the assembly of the spliceosomal complex. The CB marker protein, coilin, interacts with survival of motor neuron (SMN) and Sm proteins. Several coilin phosphoresidues have been identified by mass spectrometric analysis. Phosphorylation of coilin affects its self-interaction and localization in the nucleus. We hypothesize that coilin phosphorylation also impacts its binding to SMN and Sm proteins. In vitro binding studies with a C-terminal fragment of coilin and corresponding phosphomimics show that SMN binds preferentially to dephosphorylated analogs and that SmB' binds preferentially to phosphomimetic constructs. Bacterially expressed full-length coilin binds more SMN and SmB' than does the C-terminal fragment. Co-immunoprecipitation and phosphatase experiments show that SMN also binds dephosphorylated coilin in vivo. These data show that phosphorylation of coilin influences interaction with its target proteins and, thus, may be significant in managing the flow of snRNPs through the CB.

  1. Coilin phosphorylation mediates interaction with SMN and SmB′

    Science.gov (United States)

    Toyota, Cory G.; Davis, Misty D.; Cosman, Angela M.; Hebert, Michael D.

    2010-01-01

    Cajal bodies (CBs) are subnuclear domains that participate in spliceosomal small nuclear ribonucleoprotein (snRNP) biogenesis and play a part in the assembly of the spliceosomal complex. The CB marker protein, coilin, interacts with survival of motor neuron (SMN) and Sm proteins. Several coilin phosphoresidues have been identified by mass spectrometric analysis. Phosphorylation of coilin affects its self-interaction and localization in the nucleus. We hypothesize that coilin phosphorylation also impacts its binding to SMN and Sm proteins. In vitro binding studies with a C-terminal fragment of coilin and corresponding phosphomimics show that SMN binds preferentially to dephosphorylated analogs and that SmB′ binds preferentially to phosphomimetic constructs. Bacterially expressed full-length coilin binds more SMN and SmB′ than does the C-terminal fragment. Co-immunoprecipitation and phosphatase experiments show that SMN also binds dephosphorylated coilin in vivo. These data show that phosphorylation of coilin influences interaction with its target proteins and, thus, may be significant in managing the flow of snRNPs through the CB. PMID:19997741

  2. Biofuels, Biolubricants and the BioPreferred(SM) Program

    Science.gov (United States)

    The BioPreferred(SM) Program is a U.S. government initiative intended to encourage the development and widespread use of biofuels, biolubricants, and other biobased products in the U.S. The program consists of the preferred procurement and the voluntary labeling programs. Companies wishing to have t...

  3. SM4AM: A Semantic Metamodel for Analytical Metadata

    DEFF Research Database (Denmark)

    Varga, Jovan; Romero, Oscar; Pedersen, Torben Bach

    2014-01-01

    . We present SM4AM, a Semantic Metamodel for Analytical Metadata created as an RDF formalization of the Analytical Metadata artifacts needed for user assistance exploitation purposes in next generation BI systems. We consider the Linked Data initiative and its relevance for user assistance...

  4. Samarium Monosulfide (SmS): Reviewing Properties and Applications.

    Science.gov (United States)

    Sousanis, Andreas; Smet, Philippe F; Poelman, Dirk

    2017-08-16

    In this review, we give an overview of the properties and applications of samarium monosulfide, SmS, which has gained considerable interest as a switchable material. It shows a pressure-induced phase transition from the semiconducting to the metallic state by polishing, and it switches back to the semiconducting state by heating. The material also shows a magnetic transition, from the paramagnetic state to an antiferromagnetically ordered state. The switching behavior between the semiconducting and metallic states could be exploited in several applications, such as high density optical storage and memory materials, thermovoltaic devices, infrared sensors and more. We discuss the electronic, optical and magnetic properties of SmS, its switching behavior, as well as the thin film deposition techniques which have been used, such as e-beam evaporation and sputtering. Moreover, applications and possible ideas for future work on this material are presented. Our scope is to present the properties of SmS, which were mainly measured in bulk crystals, while at the same time we describe the possible deposition methods that will push the study of SmS to nanoscale dimensions, opening an intriguing range of applications for low-dimensional, pressure-induced semiconductor-metal transition compounds.

  5. INTERACTION MODE BETWEEN METHYLENE BLUE-Sm(III ...

    African Journals Online (AJOL)

    Preferred Customer

    Spectroscopic and viscosity methods were applied to investigate the interaction between methylene blue (MB)-Sm(III) complex and herring sperm DNA by using acridine orange as a spectral probe ... Thermodynamic function computation demonstrates ... By combination analysis of the Scatchard method, circular dichroism.

  6. Casting light on BSM physics with SM standard candles

    Science.gov (United States)

    Curtin, David; Jaiswal, Prerit; Meade, Patrick; Tien, Pin-Ju

    2013-08-01

    The Standard Model (SM) has had resounding success in describing almost every measurement performed by the ATLAS and CMS experiments. In particular, these experiments have put many beyond the SM models of natural Electroweak Symmetry Breaking into tension with the data. It is therefore remarkable that it is still the LEP experiment, and not the LHC, which often sets the gold standard for understanding the possibility of new color-neutral states at the electroweak (EW) scale. Recently, ATLAS and CMS have started to push beyond LEP in bounding heavy new EW states, but a gap between the exclusions of LEP and the LHC typically remains. In this paper we show that measurements of SM Standard Candles can be repurposed to set entirely complementary constraints on new physics. To demonstrate this, we use W + W -cross section measurements to set bounds on a set of slepton-based simplified models which fill in the gaps left by LEP and dedicated LHC searches. Having demonstrated the sensitivity of the W + W -measurement to light sleptons, we also find regions where sleptons can improve the fit of the data compared to the NLO SM W + W -prediction alone. Remarkably, in those regions the sleptons also provide for the right relic-density of Bino-like Dark Matter and provide an explanation for the longstanding 3 σ discrepancy in the measurement of ( g - 2) μ.

  7. Searches for Beyond SM Higgs Boson at the Tevatron

    Energy Technology Data Exchange (ETDEWEB)

    Safonov, A.; /Texas A-M

    2006-05-01

    In the following, the authors describe preliminary results of searches for non-SM higgs bosons at the CDF and D0 experiments. Both experiments use data obtained in p{bar p} collisions at the Tevatron at {radical}s = 1.96 TeV.

  8. Anomalous Hall effect and perpendicular magnetic anisotropy in Sm{sub 28}Fe{sub 72} and Sm{sub 32}Fe{sub 68} thin films

    Energy Technology Data Exchange (ETDEWEB)

    Kamala Bharathi, K., E-mail: kbkaruppanan@utep.ed [Department of Mechanical Engineering, University of Texas at El Paso, El Paso, TX 79968 (United States); Venkatesh, S. [Department of Condensed Matter Physics and Material Sciences, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005 (India); Markandeyulu, G. [Advanced Magnetic Materials Laboratory (AMMLa), Department of Physics, Indian Institute of Technology Madras, Chennai 600 036 (India); Ramana, C.V. [Department of Mechanical Engineering, University of Texas at El Paso, El Paso, TX 79968 (United States)

    2011-01-15

    Sm{sub 28}Fe{sub 72} and Sm{sub 32}Fe{sub 68} films of 100 nm thickness were grown using DC magnetron sputter deposition and their structure, magnetization, electrical and Hall resistance characteristics were investigated. An increase in electrical resistivity from 4.75x10{sup -6} to 5.62x10{sup -6} {Omega} m and from 2.26x10{sup -6} to 2.84x10{sup -6} {Omega} m for Sm{sub 28}Fe{sub 72} and Sm{sub 32}Fe{sub 68} films, respectively, with decrease in temperature from 300 to 40 K is attributed to the strain induced anisotropy that dominates at lower temperatures. The positive extraordinary Hall coefficients (R{sub S}) are observed for both films at 300 and 80 K. The existence of hysteresis indicates that Sm{sub 28}Fe{sub 72} and Sm{sub 32}Fe{sub 68} films possess perpendicular anisotropy at 300 K. Hysteresis loop becomes narrow at 80 K for both Sm{sub 28}Fe{sub 72} and Sm{sub 32}Fe{sub 68} films. Magnetization measurements at 300 K exhibiting small coercive field values of 31 and 49 Oe for Sm{sub 28}Fe{sub 72} and Sm{sub 32}Fe{sub 68} films, respectively, confirm the existence of perpendicular anisotropy at 300 K.

  9. Preparation and properties of the SmOx/Rh(100) model surface

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    The preparation of SmOx/Rh(100) and CO adsorption on this model surface have been investigated with Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and temperature programmed desorption spectroscopy (TDS). The oxygen adsorption on the SmRh alloy surface leads to the aggregation of Sm on the surface. The thermal treatment of this oxidized surface induces the further agglomeration of SmOx on the Rh(100) surface. Compared with CO TDS on the clean Rh(100) surface, three additional CO desorption peaks can be observed at 176, 331 and 600 K on the SmOx/Rh(100) surface. The CO desorption peak at 176 K may originate from CO adsorbed on SmOx islands, while the appearance of the CO adsorption peaks at 331 and 600 K, depending on the oxidation state of Sm, is attributed to CO species located at the interface of SmOx/Rh(100).

  10. Preparation and bio-distribution of bone tumor therapeutic radiopharmaceutical 153Sm-TTHMP

    Institute of Scientific and Technical Information of China (English)

    2003-01-01

    TTHMP (triethylenetetraaminehexamethylenephosphonic acid) was labeled with 153Sm. The labeling condition, stability, mole ratio of 153Sm to TTHMP, rabbit bone imaging and bio-distribution of 153Sm-TTHMP in mice were investigated. The results showed that weak basic media and high concentration ligands were favorable to form 153Sm-TTHMP; labeling compounds were stable at pH 7 in 7 days. The results also indicated that the chemical mole ratio of 153Sm-TTHMP is n(153Sm)﹕n(TTHMP) = 1﹕1 and skeleton uptake of 153Sm-TTHMP is high((13.96(3.51)%/g at 1h post injection and (13.54(2.98)%/g at 48h post injection), while the non-target tissue uptake is relatively low, so 153Sm-TTHMP is a promising bone tumor therapeutic agent.

  11. Orange and reddish-orange light emitting phosphors: Sm{sup 3+} and Sm{sup 3+}/Eu{sup 3+} doped zinc phosphate glasses

    Energy Technology Data Exchange (ETDEWEB)

    Meza-Rocha, A.N., E-mail: ameza@fis.cinvestav.mx [Departamento de Física, Universidad Autónoma Metropolitana-Iztapalapa, P.O. Box 55-534, 09340 México D.F., México (Mexico); Speghini, A. [Dipartimento di Biotecnologie, Universita di Verona and INSTM, UdR Verona, Strada Le Grazie 15, I-37314 Verona (Italy); IFAC CNR, Nello Carrara Institute of Applied Physics, MDF Lab, I-50019 Sesto Fiorentino, FI (Italy); Bettinelli, M. [Dipartimento di Biotecnologie, Universita di Verona and INSTM, UdR Verona, Strada Le Grazie 15, I-37314 Verona (Italy); Caldiño, U. [Departamento de Física, Universidad Autónoma Metropolitana-Iztapalapa, P.O. Box 55-534, 09340 México D.F., México (Mexico)

    2015-11-15

    A spectroscopy study of Sm{sup 3+} and Sm{sup 3+}/Eu{sup 3+} doped zinc phosphate glasses is performed through photoluminescence spectra and decay time profile measurements. Under Sm{sup 3+} excitation at 344 nm, the Sm{sup 3+} singly doped glass shows an orange global emission with x=0.579 and y=0.414 CIE1931 chromaticity coordinates, whereas the Sm{sup 3+}/Eu{sup 3+} co-doped sample exhibits orange overall emissions (x=0.581 and y=0.398, and x=0.595 and y=0.387) and reddish-orange overall emission (x=0.634 and y=0.355) upon excitations at 344, 360 and 393 nm, respectively. Such luminescence from the co-doped sample is originated by the simultaneous emission of Sm{sup 3+} and Eu{sup 3+}. Under Sm{sup 3+} excitation at 344 and 360 nm, the Eu{sup 3+} emission is sensitized and enhanced by Sm{sup 3+} through a non-radiative energy transfer process. The non-radiative nature was inferred from the shortening of the Sm{sup 3+} lifetime observed in the Sm{sup 3+}/Eu{sup 3+} co-doped sample. An analysis of the Sm{sup 3+} emission decay time profiles using the Inokuti–Hirayama model suggests that an electric quadrupole–quadrupole interaction into Sm–Eu clusters might dominate the energy transfer process, with an efficiency of 0.17. - Highlights: • Zinc phosphate glasses are optically activated with Sm{sup 3+}/Eu{sup 3+} (ZPOSmEu). • Non-radiative energy transfer Sm{sup 3+}→Eu{sup 3+} takes place in ZPOSmEu. • ZPOSmEu overall emission can be modulated with the excitation wavelength. • ZPOSmEu might be useful as orange/reddish-orange phosphor for UV-white LEDs.

  12. Ab initio calculation of electronic structure, crystal field, and intrinsic magnetic properties of Sm2Fe17, Sm2Fe17N3, Sm2Fe17C3, and Sm2Co17

    Science.gov (United States)

    Steinbeck, Lutz; Richter, Manuel; Nitzsche, Ulrike; Eschrig, Helmut

    1996-03-01

    In a comparative study we calculated the spin and orbital moments, spin and charge densities, and 4f crystal field (CF) parameters of the rare-earth transition-metal intermetallics Sm2Fe17, Sm2Fe17Z3 (Z=C,N), and Sm2Co17 using a relativistic optimized linear combination of atomic orbitals method. The itinerant valence electron states were treated in the local-spin-density approximation (LSDA), whereas the localized 4f states were described as open core states within the self-interaction-corrected LSDA. The calculations yield magnetic moments in good agreement with experiment. While all local moments of Sm2Fe17 increase upon lattice expansion, the moments of atoms neighboring the interstitial sites decrease and those of more distant Fe atoms increase upon insertion of interstitial N or C. In N interstitial atoms all 2pα orbitals are polarized antiparallel to their respective Fe and Sm neighbor atoms in the bond direction, whereas in C all 2pα orbitals are polarized antiparallel to the Fe atoms neighboring the interstitial site. The second-order CF parameters A02 dominating the rare-earth magnetocrystalline anisotropy are found to have the same sign and order of magnitude as those derived from magnetization data. In accordance with experiment the calculated negative A02 is larger for the Co compound than for the Fe parent compound and is strongly increased upon insertion of interstitial N or C. The agreement between theory and experiment is improved by taking into account the CF contribution arising from the asphericity of the exchange-correlation potential of the non-4f states.

  13. Recent advances in the chemistry of SmI(2)-H(2)O.

    Science.gov (United States)

    Sautier, Brice; Procter, David J

    2012-01-01

    Recent work from our laboratories has shown SmI(2)-H(2)O to be a versatile, readily-accessible and non-toxic reductant that is more powerful than SmI(2). This review describes the reduction of functional groups that were previously thought to lie beyond the reach of SmI(2) and complexity-generating cyclisations and cyclisation cascades triggered by the reduction of the ester carbonyl group with SmI(2)-H(2)O.

  14. Thermoluminescence characteristics of Sm3+ doped NaYF4 crystals

    Indian Academy of Sciences (India)

    M V Ramana Reddy; Ch Gopal Reddy; K Narasimha Reddy

    2007-02-01

    Thermoluminescence (TL) characteristics of NaYF4 crystals doped with Sm3+ have been studied after -ray irradiation. Dependence of luminescence efficiency on Sm3+ concentration and radiation dose has been measured and possible applications of NaYF4 : Sm3+ as a novel phosphor for TL dosimetry have been investigated. The efficiency of 0.3 mole% Sm3+ doped NaYF4 crystal has been found to be maximum and comparable with commercial thermoluminescence dosimetric (TLD) materials.

  15. 31 CFR 585.311 - Government of the FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false Government of the FRY (S&M). 585.311... General Definitions § 585.311 Government of the FRY (S&M). The term Government of the FRY (S&M) includes: (a) The state and the Government of the FRY (S&M), the Government of Serbia, and the Government...

  16. IOT Overview: IR Instruments

    Science.gov (United States)

    Mason, E.

    In this instrument review chapter the calibration plans of ESO IR instruments are presented and briefly reviewed focusing, in particular, on the case of ISAAC, which has been the first IR instrument at VLT and whose calibration plan served as prototype for the coming instruments.

  17. New Results from Air Pollution Studies in Bulgaria (Moss Survey 2000-2001)

    CERN Document Server

    Stamenov, J N; Vachev, B; Gueleva, E; Yurukova, L; Ganeva, A; Mitrikov, M; Antonov, A; Srentz, A; Varbanov, Z; Batov, I V; Damov, K; Marinova, E; Frontasyeva, M V; Pavlov, S S; Strelkova, L P

    2002-01-01

    New results of moss survey 2000 of systematic study of air pollution with heavy metals and other toxic elements in Bulgaria are reported. The moss samples collected at 103 sites in Bulgaria, along the borders with Yugoslavia, Macedonia, Greece and Turkey were analyzed by instrumental activation analysis using epithermal neutrons (ENAA) at the IBR-2 pulsed fast reactor for a wide set of elements including heavy metals and rare earth elements (Na, Mg, Al, Cl, K, Ca, Sc, V, Cr, Mn, Fe, Co, Ni, Zn, As, Se, Br, Rb, Sr, Mo, Sb, I, Cs, Ba, La, Sm, Tb, Yb, Hf, Ta, W, Au, Th, and U). The results obtained are consistent with the mean European values for most of elements. The principle component analysis is applied to distinguish heavy and light crust elements and vegetation ones from those of anthropogenic origin.

  18. Influence of symmetry on Sm magnetism studied on SmIr{sub 2}Si{sub 2} polymorphs

    Energy Technology Data Exchange (ETDEWEB)

    Vališka, Michal, E-mail: michal.valiska@gmail.com; Pospíšil, Jiří; Prokleška, Jan; Diviš, Martin; Rudajevová, Alexandra; Turek, Ilja; Sechovský, Vladimír

    2013-10-15

    Highlights: •First order polymorphic transition between two phases showing high hysteresis. •Both polymorphs tends to be antiferromagnetic at low temperatures. •Different magnetic behavior of polymorphs is caused by symmetry of crystal field. •Ab initio electronic structure calculations confirm the experimental data. -- Abstract: Polycrystalline samples of SmIr{sub 2}Si{sub 2} formed at room temperature both the low temperature phase (LTP) and the metastable high temperature phase (HTP), respectively, depending on the heat treatment. The samples were studied by X-ray powder diffraction, DTA, specific-heat and magnetization measurements with respect to temperature and magnetic field. The first order LTP ↔ HTP polymorphic phase transition has been determined showing the huge temperature hysteresis of 264 °C caused by the high energy barrier due to the change of stacking of the Sm, Ir and Si basal plane sheets within the transition. Both polymorphs show indications of antiferromagnetic order at low temperatures. The considerably different magnetic phase transitions determined for the LTP and HTP confirm the strong influence of crystal structure symmetry on magnetism in the two polymorphs. The magnetism in SmIr{sub 2}Si{sub 2} exhibits typical features caused by the specific behavior of Sm{sup 3+} ion characterized by energy nearness of the ground state and first excited state and crystal field influence. The interpretation of experimental results is corroborated by results of ab initio electronic structure calculations.

  19. 31 CFR Appendix B to Part 208 - Model Disclosure for Use After ETA SM Becomes Available

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 2 2010-07-01 2010-07-01 false Model Disclosure for Use After ETA SM... FEDERAL AGENCY DISBURSEMENTS Pt. 208, App. B Appendix B to Part 208—Model Disclosure for Use After ETA SM... through a basic, low-cost account called an ETA SM. If you receive a Federal benefit, wage, salary,...

  20. 31 CFR Appendix A to Part 208 - Model Disclosure for Use Until ETA SM Becomes Available

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 2 2010-07-01 2010-07-01 false Model Disclosure for Use Until ETA SM... FEDERAL AGENCY DISBURSEMENTS Pt. 208, App. A Appendix A to Part 208—Model Disclosure for Use Until ETA SM... wait for a basic, low-cost account, called an ETA SM, to become available. If you do not have...

  1. 31 CFR 585.314 - Goods and services originating in the FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... FRY (S&M). 585.314 Section 585.314 Money and Finance: Treasury Regulations Relating to Money and... HERZEGOVINA SANCTIONS REGULATIONS General Definitions § 585.314 Goods and services originating in the FRY (S&M). The term goods or services originating in the FRY (S&M) includes: (a) Goods produced,...

  2. 31 CFR 586.304 - Federal Republic of Yugoslavia (Serbia & Montenegro); FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... (Serbia & Montenegro); FRY (S&M). 586.304 Section 586.304 Money and Finance: Treasury Regulations Relating... Federal Republic of Yugoslavia (Serbia & Montenegro); FRY (S&M). The term Federal Republic of Yugoslavia (Serbia & Montenegro) or FRY (S&M) means the territory of the Republics of Serbia and Montenegro....

  3. 31 CFR 585.207 - Prohibited transportation-related transactions involving the FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... transactions involving the FRY (S&M). 585.207 Section 585.207 Money and Finance: Treasury Regulations Relating... transactions involving the FRY (S&M). Except as otherwise authorized, the following are prohibited: (a) Any... transportation to or from the FRY (S&M); (b) The provision of transportation to or from the United States by:...

  4. 31 CFR 585.313 - Federal Republic of Yugoslavia (Serbia and Montenegro); FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... (Serbia and Montenegro); FRY (S&M). 585.313 Section 585.313 Money and Finance: Treasury Regulations... Yugoslavia (Serbia and Montenegro); FRY (S&M). The term Federal Republic of Yugoslavia (Serbia and Montenegro) or FRY (S&M) means the territory of Serbia and Montenegro....

  5. Research on the magnetic material of Sm-Fe matrix nitrides

    Institute of Scientific and Technical Information of China (English)

    CUI Chunxiang; SUN Jibing; ZHANG Ying; WANG Ru; LI Lin; LIANG Zhimei

    2005-01-01

    In this paper, the types of Sm-Fe matrix compounds and their correlations are introduced, and progress of research on the magnetic materials of Sm-Fe matrix nitrides is also reviewed. Possible research trends of future permanent magnetic materials of SmFe matrix nitrides are briefly predicted.

  6. Rate Gyroscopic Wellbore Survey System

    Institute of Scientific and Technical Information of China (English)

    Sheng Limin

    1997-01-01

    @@ The rate gyroscopic wellbore survey system as a new type of survey instruments adopts the inertial-grade rate gyro and quartz flexible accelerometers to compose a gyrocompassing system, transiting data to surface instrument by single core cable. The azimuth, inclination and tool-face angle can be computed from these data by surface computer.

  7. Development of the emergency physician job satisfaction measurement instrument.

    Science.gov (United States)

    Lloyd, S; Streiner, D; Hahn, E; Shannon, S

    1994-01-01

    The objective of this study was to develop a valid and reliable instrument to measure the job satisfaction of physicians practicing emergency medicine. A prospective survey involving four separate stages (an item evaluation and reduction stage, a factor analysis stage, a construct validity stage, and a reliability stage) was distributed in Canada to full-time emergency physicians. Three separate survey instruments were administered (an initial draft instrument with 228 items, a pilot instrument with 142 items, and the final instrument with 79 items). Construct validity of the final instrument was tested by evaluating the correlation between physician scores on the instrument, and scores on two instruments measuring the same construct, and three measuring different but related constructs. A draft instrument with 228 items and six hypothetical domains was tested on 61 physicians. Evaluation for frequency endorsement, redundancy, and homogeneity reduced the item pool to 157. The remaining 157 items were used as a pilot instrument and tested on 223 physicians. Factor analysis eliminated 66 items from the pilot instrument, creating a final instrument with 79 items, 11 factors, and six domains. Cronbach's coefficient alpha for the final instrument domains is 0.81, and all domain-total correlations are greater than 0.4. All correlations between the final instrument and the construct validity instruments were statistically significant (P job satisfaction, which is both internally consistent and stable.

  8. Sm29, but not Sm22.6 retains its ability to induce a protective immune response in mice previously exposed to a Schistosoma mansoni infection.

    Directory of Open Access Journals (Sweden)

    Clarice Carvalho Alves

    2015-02-01

    Full Text Available BACKGROUND: A vaccine against schistosomiasis would have a great impact in disease elimination. Sm29 and Sm22.6 are two parasite tegument proteins which represent promising antigens to compose a vaccine. These antigens have been associated with resistance to infection and reinfection in individuals living in endemic area for the disease and induced partial protection when evaluated in immunization trials using naïve mice. METHODOLOGY/PRINCIPALS FINDINGS: In this study we evaluated rSm29 and rSm22.6 ability to induce protection in Balb/c mice that had been previously infected with S. mansoni and further treated with Praziquantel. Our results demonstrate that three doses of the vaccine containing rSm29 were necessary to elicit significant protection (26%-48%. Immunization of mice with rSm29 induced a significant production of IL-2, IFN-γ, IL-17, IL-4; significant production of specific antibodies; increased percentage of CD4+ central memory cells in comparison with infected and treated saline group and increased percentage of CD4+ effector memory cells in comparison with naïve Balb/c mice immunized with rSm29. On the other hand, although immunization with Sm22.6 induced a robust immune response, it failed to induce protection. CONCLUSION/SIGNIFICANCE: Our results demonstrate that rSm29 retains its ability to induce protection in previously infected animals, reinforcing its potential as a vaccine candidate.

  9. Graduate Assessment Survey Report.

    Science.gov (United States)

    Santa Fe Community Coll., Gainesville, FL. Office of Institutional Research and Planning.

    Determines the degree to which Santa Fe Community College (Florida) is providing quality educational programs and services to its students. Surveys outgoing students to gather their opinions and perceptions of the educational experiences and services they received while attending the college. The survey instrument is divided into three sections:…

  10. Fifteen Years of the Hubble Space Telescope's Advanced Camera for Surveys: Calibration Update

    Science.gov (United States)

    Grogin, Norman A.; Advanced CameraSurveys Instrument Team

    2017-06-01

    The Advanced Camera for Surveys (ACS) has been a workhorse HST imager for over fifteen years, subsequent to its Servicing Mission 3B installation in 2002. The once defunct ACS Wide Field Channel (WFC) has now been operating almost twice as long (>8yrs) since its Servicing Mission 4 (SM4) repair than it had originally operated prior to its 2007 failure. Despite the accumulating radiation damage to the WFC CCDs during their long stay in low Earth orbit, ACS continues to be heavily exploited by the HST community as both a prime and a parallel detector.The past year has seen several advancements in ACS data acquisition and calibration capabilities: the mostwidespread changes since shortly after SM4. We review these recent developments that enable the continued high performance of this instrument, including both the WFC and the Solar Blind Channel (SBC). Highlightsinclude: 1) implementaton of new WFC subarray modes to allow for more consistent high-fidelity calibration; 2) a thorough modernization of the original pixel-based correction of WFC charge-transfer efficiency decline; 3)"save the pixels" initiatives resulting in much less WFC bad-pixel flagging via hot-pixel stability analyses and readout-dark modeling; and 4) a new initiative to provide improved PSF estimates via empirical fitting to the full ACS archive of nearly 200,000 images.

  11. Kondo Breakdown and Quantum Oscillations in SmB_{6}.

    Science.gov (United States)

    Erten, Onur; Ghaemi, Pouyan; Coleman, Piers

    2016-01-29

    Recent quantum oscillation experiments on SmB_{6} pose a paradox, for while the angular dependence of the oscillation frequencies suggest a 3D bulk Fermi surface, SmB_{6} remains robustly insulating to very high magnetic fields. Moreover, a sudden low temperature upturn in the amplitude of the oscillations raises the possibility of quantum criticality. Here we discuss recently proposed mechanisms for this effect, contrasting bulk and surface scenarios. We argue that topological surface states permit us to reconcile the various data with bulk transport and spectroscopy measurements, interpreting the low temperature upturn in the quantum oscillation amplitudes as a result of surface Kondo breakdown and the high frequency oscillations as large topologically protected orbits around the X point. We discuss various predictions that can be used to test this theory.

  12. Assessing the Reliability of Quantitative Imaging of Sm-153

    Science.gov (United States)

    Poh, Zijie; Dagan, Maáyan; Veldman, Jeanette; Trees, Brad

    2013-03-01

    Samarium-153 is used for palliation of and recently has been investigated for therapy for bone metastases. Patient specific dosing of Sm-153 is based on quantitative single-photon emission computed tomography (SPECT) and knowing the accuracy and precision of image-based estimates of the in vivo activity distribution. Physical phantom studies are useful for estimating these in simple objects, but do not model realistic activity distributions. We are using realistic Monte Carlo simulations combined with a realistic digital phantom modeling human anatomy to assess the accuracy and precision of Sm-153 SPECT. Preliminary data indicates that we can simulate projection images and reconstruct them with compensation for various physical image degrading factors, such as attenuation and scatter in the body as well as non-idealities in the imaging system, to provide realistic SPECT images.

  13. Perspectives of SM Higgs measurements at the LHC

    Indian Academy of Sciences (India)

    Michael Dittmar

    2000-07-01

    The latest unsuccesful Higgs searches at LEP have pushed its mass well into the domain where significant signals can be expected from the LHC experiments. The most sensitive LHC Higgs signatures are reviewed and the discovery year is estimated as a function of the Higgs mass. Finally, we give some ideas about: ‘What might be known about the production and decays of a SM Higgs boson’ after 10 years of LHC?

  14. Vindmøller til små energisystemer

    DEFF Research Database (Denmark)

    Bindner, Henrik; Teodorescu, Remus; Blaabjerg, Frede

    2004-01-01

    Der er et meget stort behov for teknologi, der kan skaffe el til små landsbyer, der ikke hidtil har haft adgang til el. Det vurderes, at op mod 2 mia. mennesker ikke har adgang til el. Det er først og fremmest folk i Afrika syd for Sahara, men også store områder af Asien og Latinamerika er endnu...

  15. Installation of a new cryogenic infrastructure at SM18

    CERN Multimedia

    MS18

    2013-01-01

    Part of the SM18 Hall is devoted to tests on radiofrequency (RF) cavities and cryomodules used for beam acceleration in various CERN experiments and accelerators. This movie presents the installation of the new cryogenic infrastructure in this area. It consists of a cryogenic line and six service modules, which will supply each of the six test stations. Almost 50 m of line, from the helium tank to the last test station, have been replaced.

  16. Robotundervisning med udgangspunkt i små og store robotmanipulatorer

    DEFF Research Database (Denmark)

    Grøn, Helge Glinvad

    2016-01-01

    komme med en række eksempler på hvordan man kan inddrage robotteknologi I undervisningen. Oplægget tager udgangspunkt I en made at lave et “Hands-On” kursus i robotteknologi med bade store og små robotter. På UCN har vi på kursuset anvendt Universal Robot UR5 og Trossen Robotic Pincher-platform samt Pi...

  17. Search for SM deviations in top precision studies at CMS

    CERN Document Server

    Skovpen, Kirill

    2017-01-01

    Precision studies of top quark properties provide a unique playground to test the predictions of the standard model and to search for new physics. Reviewed results from the CMS experiment done with the data collected at 8 TeV include studies of top quark Wtb anomalous and FCNC couplings, polarization, CP-violation and spin correlation effects. No significant deviations from the SM predictions are observed.

  18. Complexation of Sm3+ and pamidronate:A DFT study

    Institute of Scientific and Technical Information of China (English)

    Masoud Arabieh; Mohammad Hassan Khodabandeh; Mohammad Hossein Karimi-Jafari; Carlos Platas-Iglesias; Karim Zare

    2015-01-01

    We reported a quantum mechanical study of the complexes formed between Sm3+ and the bisphosphonate ligand pamidro-nate in aqueous solution. According to available experimental pKa values pamidronate was expected to exist in aqueous solution, at physiologically relevant pH, in its di- and tri-protonated forms (denoted by H3L and H2L). The most stable structures of the ligands and Sm3+ complexes were found by using a detailed analysis of the conformational space with semiempirical and DFT methods. The results showed that both H2L and H3L bisphosphonates acted as a tridentate ligands in their complexes with Sm3+. The addition of ex-plicit water molecules to the coordination sphere of the metal not only gave different coordination numbers for H2L and H3L com-plexes (CN=9 and 10), but also provided different trends in stabilization energies. The results highlighted the importance of consider-ing not only an explicit first coordination shell, but also a second hydration shell, for an adequate description of this type of complexes in aqueous solution.

  19. SM-SIP: Seamless Mobility Management for Heterogeneous Wireless Networks

    Directory of Open Access Journals (Sweden)

    Khaled Zeraoulia

    2014-08-01

    Full Text Available Next-generation wireless networks (NGN and internet of Thing (IoT become two leaders of designing mobile multimedia services. The deployment of these services using heterogeneous wireless networks will be the important factor that leads to profound change in the way that these services are delivered. Also, how these services will be managed is a real challenge. Consequently, Seamless mobility management should be provided to support various services in heterogeneous networks. A SIP-based network appears as a very attractive alternative to mobile multimedia applications. In this paper, we introduce a novel mobility management strategy for mobile SIP networks, in which we develop a seamless handover used mobile SIP scheme called SM-SIP (Seamless Mobility Management for Heterogeneous Wireless Networks for Mobile SIP environment. SM-SIP can significantly reduce the system signaling cost and handover delay, by proactively processing the address allocation and session updates using link layer information of wireless networks. Also, our performance study shows that SM-SIP reduces efficiently packets loss using an anticipated buffering scheme.

  20. External exposure in radionuclide therapy with 153 Sm

    Energy Technology Data Exchange (ETDEWEB)

    Rezio, M.T.; Vieira, M.R. [Instituto Portugues Oncologia de Francisco Gentil, CROL, Lisboa (Portugal)

    2006-07-01

    Full text of publication follows: Aim: The radiopharmaceutical 153 Sm is an beta emitter used in metastatic bone pain palliation. The prescribed activity is 37 MBq/kg body weight.. The aim of this study is to measure the dose rate of the patients during 4 to 6 hours after 153 Sm - E.D.T.M.P. administration in order to prevent external exposure of nursing staff, family members and general public. Material and Methods: Twelve patients were treated with 153 Sm in our department. External exposure rates( {mu}Sv/h) at different times and at one meter were measured, with a Geiger-Muller detector. Results: The mean dose rate at one meter was 12 {mu}Sv/h, one hour after injection and 3{mu} Sv/h, 6 hours after injection. Conclusion: The policy in our department is to keep the patient in the hospital 4-6 h, due to the risk of contamination. Based on our results, the external exposure of the nursing staff, family members and the general public is very low, in agreement with other studies. (authors)

  1. Instrument Modeling and Synthesis

    Science.gov (United States)

    Horner, Andrew B.; Beauchamp, James W.

    During the 1970s and 1980s, before synthesizers based on direct sampling of musical sounds became popular, replicating musical instruments using frequency modulation (FM) or wavetable synthesis was one of the “holy grails” of music synthesis. Synthesizers such as the Yamaha DX7 allowed users great flexibility in mixing and matching sounds, but were notoriously difficult to coerce into producing sounds like those of a given instrument. Instrument design wizards practiced the mysteries of FM instrument design.

  2. Performing the Super Instrument

    DEFF Research Database (Denmark)

    Kallionpaa, Maria

    2016-01-01

    The genre of contemporary classical music has seen significant innovation and research related to new super, hyper, and hybrid instruments, which opens up a vast palette of expressive potential. An increasing number of composers, performers, instrument designers, engineers, and computer programmers...... provides the performer extensive virtuoso capabilities in terms of instrumental range, harmony, timbre, or spatial, textural, acoustic, technical, or technological qualities. The discussion will be illustrated by a composition case study involving augmented musical instrument electromagnetic resonator...

  3. Performing the Super Instrument

    DEFF Research Database (Denmark)

    Kallionpaa, Maria

    2016-01-01

    provides the performer extensive virtuoso capabilities in terms of instrumental range, harmony, timbre, or spatial, textural, acoustic, technical, or technological qualities. The discussion will be illustrated by a composition case study involving augmented musical instrument electromagnetic resonator......The genre of contemporary classical music has seen significant innovation and research related to new super, hyper, and hybrid instruments, which opens up a vast palette of expressive potential. An increasing number of composers, performers, instrument designers, engineers, and computer programmers...

  4. SM-1蜡膜防锈油的研制%Preparation of SM-1 Rust Prevention Oil

    Institute of Scientific and Technical Information of China (English)

    谭胜; 付洪瑞; 陈学军; 刘东志

    2000-01-01

    以JD脂及酸和合成十八胺的复合物为成膜材料,制备了一种蜡膜防锈油。结果表明,该油具有油膜薄、防锈性好和油基稳定等特点,可用于机床、金属零备件及军械装备的封存与防护。%The SM-1 rust prevention oil was prepared by using complex of fatty acid and stearyl amine as basic film forming material, and a certain amount of oil soluble inhibitor was added. It was shown that the SM-1 rust prevention oil had favourite features in stability and rust prevention. It could be appropriate for sealing and rust preventing of machine tool, metal parts and ordnances.

  5. Effect of Sm Volatilization on Magnetic Microstructures of Sintered Sm(Co,Fe,Cu,Zr)z Magnets at High Temperatures

    Institute of Scientific and Technical Information of China (English)

    XIA Ai-Lin; FANG Yi-Kun; GUO Zhao-Hui; LI Wei; HAN Bao-Shan

    2006-01-01

    @@ We present a magnetic force microscopy study of surface magnetic microstructure changes at high temperatures in 2:17-type Sm( Co, Fe, Cu,Zr)z (z ~ 7.4) magnets. Surface magnetic microstructures are found to change greatly in parallel and vertical specimens after heat-treatment at 400℃ for one hour in vacuum of 10-5 Torr with Ar gas as protecting atmosphere. Changes of microstructures are attributed to the formation of a soft-magnetic surfaces layer in the specimens, resulting from Sm volatilization due to high temperature. This hypothesis is further confirmed by the heat-treatment experiments at 400℃ for 0.5 h and 2 h. Finally, the existence of the soft-magnetic layers, which consist primarily of Fe-Co compounds, is verified by the results of both XRD and XPS of the vertical specimens before and after heat-treatment.

  6. Aeroacoustics of Musical Instruments

    NARCIS (Netherlands)

    Fabre, B.; Gilbert, J.; Hirschberg, A.; Pelorson, X.

    2012-01-01

    We are interested in the quality of sound produced by musical instruments and their playability. In wind instruments, a hydrodynamic source of sound is coupled to an acoustic resonator. Linear acoustics can predict the pitch of an instrument. This can significantly reduce the trial-and-error process

  7. Channeling the SmI₂ reactions to the radical path: radicals resisting reduction by SmI₂.

    Science.gov (United States)

    Yella, Ramesh; Hoz, Shmaryahu

    2014-08-01

    Studies on the reaction of 4-(2,2-diphenylvinyl)pyridine with SmI2 revealed that the intermediate radical strongly resists further reduction to the corresponding anion. The resistance of the radical to accepting another electron is traced to its stabilization by the nitrogen lone pair. The literature suggests that oxygen may also play a role similar to that of nitrogen in directing the course of the reaction toward radical rather than to anionic chemistry.

  8. [Survey of analytical work done for drugs at the emergency and critical care centers equipped with high-performance instruments provided by the Ministry of Health and Welfare (at present: Ministry of Health, Labour and Welfare) in fiscal 1998].

    Science.gov (United States)

    Hori, Yasushi; Iseki, Ken; Suzuki, Koichiro; Namera, Akira; Fukumoto, Mariko; Fuke, Chiaki; Mori, Hiromi; Soma, Kazui

    2010-09-01

    A questionnaire was sent to 73 emergency and critical care centers where high-performance instruments for analyzing drugs and chemicals were provided by the Ministry of Health and Welfare (currently Ministry of Health, Labour and Welfare) in fiscal 1998. 52 centers (71.2%) responded to the questionnaire. Among these, the instruments have been in operation at 36 centers. This means that analytical work has been performed in at least 49.3% (36/73) of facilities with the instruments. A positive correlation was observed between the annual number of patients tested for drugs and chemicals and analytical work hours at the 36 facilities. The results indicated that 150 cases may be tested for drugs and chemicals in a year on the condition that 100 hours a month of analytical work are secured, and 200 or more cases may be tested if 200 hours a month are secured. As for the running costs required for the operation of the instruments, the instrument maintenance and repair cost was estimated at 2 million yen a year, and it was calculated that 100 cases could be handled with a maximum annual supply expense of 1 million yen and 150 cases could be handled with a maximum annual supply expense of 2 million yen. These results suggest that the instrument running cost would be fully covered at nationwide emergency and critical care centers if the additional 5,000 NHI points (1 point = 10 yen) for hospital admission, which is approved for advanced emergency and critical care centers, were applicable to all facilities. Among the 36 facilities, the implementation of analysis varied for each of the 15 toxic substances recommended for analysis by the Japanese Society for Clinical Toxicology. Further research will be necessary to investigate and assess the frequency of analysis requests and combination of simple qualitative and instrumental analyses for each of the 15 substances, in order to evaluate the approach to the 15 substances in analytical work.

  9. 31 CFR 585.204 - Prohibited importation of goods or services from the FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... services from the FRY (S&M). 585.204 Section 585.204 Money and Finance: Treasury Regulations Relating to... services from the FRY (S&M). Except as otherwise authorized, no goods originating in, or services performed in, the FRY (S&M), exported from the FRY (S&M) after May 30, 1992, may be imported into the...

  10. Magnetic Anisotropy in Sm2Fe17-xMx (M=A1, Ga)and (Sm1-xTmx)2Fe14Al3

    Institute of Scientific and Technical Information of China (English)

    2000-01-01

    In Sm2Fe17-xMx(M=Al, Ga), there was observed a kind of spin-reorientation with temperature, and in (Sm1-xTmx)2Fe14Al3, the anisotropy field HA increases as high as 20% from 5.4 up to 6.5 kOe with Tm.

  11. Crystal structure and negative magnetization in Sm{sub 2}Al and Sm{sub 1.988}Gd{sub 0.012}Al compounds

    Energy Technology Data Exchange (ETDEWEB)

    Kumar, Pramod, E-mail: pkumar@iiita.ac.in [Indian Institute of Information Technology Allahabad, Allahabad 211012 (India); Department of Physics, IIT Bombay, Mumbai 400076 (India); Kumar, Rachana [National Physical Laboratory, Dr. K. S. Krishnan Marg, New Delhi 110012 (India); Pandey, S. [Indian Institute of Information Technology Allahabad, Allahabad 211012 (India); Suresh, K.G. [Department of Physics, IIT Bombay, Mumbai 400076 (India); Nigam, A.K. [Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400005 (India)

    2014-09-01

    Here we report Sm{sub 2}Al and Sm{sub 1.988}Gd{sub 0.012}Al compounds, with orthorhombic crystal structure (space group: Pnma), showing negative magnetization in temperature dependence magnetization data. Both compounds magnetically order at ∼150 and 200 K respectively and below this temperature, magnetization data shows a compensation temperature (T{sub comp}) which shifts with field. Hysteresis loops obtained below T{sub comp} signify that both Sm{sub 2}Al and Sm{sub 1.988}Gd{sub 0.012}Al possess exchange anisotropy. Both, exchange anisotropy field and coercive field are found to be quite large and comparable to those of the classical spin–orbit compensated ferromagnet (Sm,Gd)Al{sub 2}.

  12. Electronic and magnetic phase diagram of superconductors, SmFeAsO1-xFx

    Science.gov (United States)

    Kamihara, Yoichi; Nomura, Takatoshi; Hirano, Masahiro; Kim, Jung Eun; Kato, Kenichi; Takata, Masaki; Kobayashi, Yasuhiro; Kitao, Shinji; Higashitaniguchi, Satoshi; Yoda, Yoshitaka; Seto, Makoto; Hosono, Hideo

    2010-03-01

    A crystallographic and magnetic phase diagram of SmFeAsO1-xFx is determined as a function of x in terms of temperature based on electrical transport and magnetization, synchrotron powder x-ray diffraction, 57Fe Mössbauer spectra (MS), and 149Sm nuclear resonant forward scattering (NRFS) measurements. MS revealed that the magnetic moments of Fe were aligned antiferromagnetically at ~144 K (TN(Fe)). The magnetic moment of Fe (MFe) is estimated to be 0.34 μB/Fe at 4.2 K for undoped SmFeAsO; MFe is quenched in superconducting F-doped SmFeAsO. 149Sm NRFS spectra revealed that the magnetic moments of Sm start to order antiferromagnetically at 5.6 K (undoped) and 4.4 K (TN(Sm)) (x=0.069). Results clearly indicate that the antiferromagnetic (AF) Sm sublattice coexists with the superconducting phase in SmFeAsO1-xFx below TN(Sm), while the AF Fe sublattice does not coexist with the superconducting phase.

  13. r-Sm14 - pRSETA efficacy in experimental animals

    Directory of Open Access Journals (Sweden)

    Ramos Celso Raul Romero

    2001-01-01

    Full Text Available Previous studies carried out with Sm14 in experimental vaccination against Schistosoma mansoni or Fasciola hepatica infections were performed with recombinant Sm14 (rSm14 produced in Escherichia coli by the pGEMEX system (Promega. The rSm14 was expressed as a 40 kDa fusion protein with the major bacteriophage T7 capsid protein. Vaccination experiments with this rSm14 in animal models resulted in consistent high protective activity against S. mansoni cercariae challenge and enabled rSm14 to be included among the vaccine antigens endorsed by the World Health Organization for phase I/II clinical trials. Since the preparation of pGEMEX based rSm14 is time consuming and results in low yield for large scale production, we have tested other E. coli expression systems which would be more suitable for scale up and downstream processing. We expressed two different 6XHis-tagged Sm14 fusion proteins in a T7 promoter based plasmids. The 6XHis-tag fusions allowed rapid purification of the recombinant proteins through a Ni+2-charged resin. The resulted recombinant 18 and 16 kDa proteins were recognized by anti-Sm14 antibodies and also by antiserum against adult S. mansoni soluble secreted/excreted proteins in Western-Blot. Both proteins were also protective against S. mansoni cercariae infection to the same extent as the rSm14 expressed by the pGEMEX system.

  14. Structure and properties of SmCu6−In6+ ( = 0, 1, 2)

    Indian Academy of Sciences (India)

    Udumula Subbarao; Sebastian C Peter

    2013-11-01

    High quality single crystals of SmCu6In6 were obtained from the reactions run in excess liquid indium and characterized by means of single crystal X-ray diffraction data. SmCu6In6 crystallizes in the YCu6In6 structure type, tetragonal space group 4/ and lattice constants are = = 9.2036(3) Å and = 5.4232(3) Å. SmCu6−In6+ ( = 0, 1, 2) compounds were obtained using arc melting and characterized using powder X-ray diffraction. Magnetic susceptibility data follow modified Curie-Weiss law behaviour above 50K and the experimentally measured magnetic moment values in SmCu4In8, SmCu5In7 and SmCu6In6 are 0.83 B, 1.45 B and 0.90 B per Sm atom, respectively. SmCu5In7 and SmCu6In6 compounds show antiferromagnetic ordering at N = 7.8 K, and no magnetic ordering was observed for SmCu4In8 down to 2 K. Electrical resistivity measurements show that all compounds are of metallic nature.

  15. Structure, magnetization, and magnetostriction of Sm-R-Fe (R = Pr, Nd) thin films

    Institute of Scientific and Technical Information of China (English)

    WANG Bowen; CAO Shuying; WENG Ling; HUANG Wenmei; SUN Ying

    2006-01-01

    The structure, magnetization, and magnetostriction of Sm0.9Pr0.1Fex and Sm1-xNdxFe1.9 thin films have been investigated using X-ray diffraction, vibrating sample magnetometer, and optical cantilever method. It is found that the structure of Sm0.9Pr0.1Fex thin films consists of an Sm-Pr-Fe amorphous phase when x ≤ 2.69 and that of Sm1-xNdxFe1.9 thin films consists of an Sm-Nd-Fe amorphous phase. The in-plane magnetization of Sm0.9Pr0.1Fex thin films increases with increase in the Fe content, and low values of the in-plane coercivity occur in the range of 1.62 ≤ x ≤ 2.28. The magnetostriction value of Sm0.9Pr0.1Fex thin films increases with increasing the Fe content when x ≤ 1.94 and decreases when x > 1.94. The in-plane magnetostriction of Sm1-xNdxFe1.9 thin films under low magnetic fields has been improved by the substitution of Nd for Sm when x = 0.2.

  16. [A new artemisinin derivative SM1044 induces apoptosis of Kasumi-1 cells and its mechanism].

    Science.gov (United States)

    Liu, Jing-Jing; Fei, Ai-Mei; Nie, Rui-Min; Wang, Jin; Li, Ying; Wang, Zhen-Yi; Mi, Jian-Qing

    2011-06-01

    The aim of this study was to investigate the apoptosis-inducing effect of artemisinin derivative SM1044 on Kasumi-1 cells and its possible mechanism. Kasumi-1 cells were treated with different concentrations of SM1044, the cell viability was evaluated by MTT assay. Cell apoptosis and cell cycle progression were assessed by using flow cytometry with Annexin-V/PI double staining and flow cytometry with PI staining respectively. The expression of apoptosis-related proteins caspase 3, PARP and the fusion protein AML1-ETO were detected by Western blot. The results indicated that SM1044 inhibited cell growth of Kasumi-1 cells in time- and dose-dependent manners. After exposure of Kasumi-1 cells to 1 µmol/L SM1044 for 24 hours, the cell viability was decreased to 50%. IC(50) of SM1044 to Kasumi-1 cells at 48 hours was 0.17 ± 0.067 µmol/L. SM1044 induced cell apoptosis in a caspase-dependent manner, and the apoptotic rate of Kasumi-1 cells increased as SM1044 concentration increased. Flow cytometry with PI staining revealed that SM1044 induced cell cycle arrest, and the proportion of cells in G(0)/G(1) phase increased from 58.33 ± 4.46% to 71.75 ± 2.24% after exposure to 5 µmol/L SM1044 for 24 hours. Western blot showed that SM1044 increased the expression of apoptosis-related proteins cPARP and cleaved caspase 3 and also degraded the AML1-ETO fusion protein. It is concluded that SM1044 can inhibit the proliferation of Kasumi-1 cells, induce cell apoptosis which may be related to the increased level of cleaved PARP and cleaved caspase 3. SM1044 can also induce cell arrest in G(0)/G(1) phase. As the fusion protein AML1-ETO degrades obviously, it can be the potential target of SM1044 in Kasumi-1 cells.

  17. The Dark Energy Spectroscopic Instrument (DESI)

    Science.gov (United States)

    Flaugher, Brenna; Bebek, Chris

    2014-07-01

    The Dark Energy Spectroscopic Instrument (DESI) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar spectroscopic redshift survey. The DESI instrument consists of a new wide-field (3.2 deg. linear field of view) corrector plus a multi-object spectrometer with up to 5000 robotically positioned optical fibers and will be installed at prime focus on the Mayall 4m telescope at Kitt Peak, Arizona. The fibers feed 10 three-arm spectrographs producing spectra that cover a wavelength range from 360-980 nm and have resolution of 2000-5500 depending on the wavelength. The DESI instrument is designed for a 14,000 sq. deg. multi-year survey of targets that trace the evolution of dark energy out to redshift 3.5 using the redshifts of luminous red galaxies (LRGs), emission line galaxies (ELGs) and quasars. DESI is the successor to the successful Stage-III BOSS spectroscopic redshift survey and complements imaging surveys such as the Stage-III Dark Energy Survey (DES, currently operating) and the Stage-IV Large Synoptic Survey Telescope (LSST, planned start early in the next decade).

  18. Public surveys at ESO

    Science.gov (United States)

    Arnaboldi, Magda; Delmotte, Nausicaa; Hilker, Michael; Hussain, Gaitee; Mascetti, Laura; Micol, Alberto; Petr-Gotzens, Monika; Rejkuba, Marina; Retzlaff, Jörg; Mieske, Steffen; Szeifert, Thomas; Ivison, Rob; Leibundgut, Bruno; Romaniello, Martino

    2016-07-01

    ESO has a strong mandate to survey the Southern Sky. In this article, we describe the ESO telescopes and instruments that are currently used for ESO Public Surveys, and the future plans of the community with the new wide-field-spectroscopic instruments. We summarize the ESO policies governing the management of these projects on behalf of the community. The on-going ESO Public Surveys and their science goals, their status of completion, and the new projects selected during the second ESO VISTA call in 2015/2016 are discussed. We then present the impact of these projects in terms of current numbers of refereed publications and the scientific data products published through the ESO Science Archive Facility by the survey teams, including the independent access and scientific use of the published survey data products by the astronomical community.

  19. Soil Moisture Active Passive (SMAP) Mission Level 4 Surface and Root Zone Soil Moisture (L4_SM) Product Specification Document

    Science.gov (United States)

    Reichle, Rolf H.; Ardizzone, Joseph V.; Kim, Gi-Kong; Lucchesi, Robert A.; Smith, Edmond B.; Weiss, Barry H.

    2015-01-01

    This is the Product Specification Document (PSD) for Level 4 Surface and Root Zone Soil Moisture (L4_SM) data for the Science Data System (SDS) of the Soil Moisture Active Passive (SMAP) project. The L4_SM data product provides estimates of land surface conditions based on the assimilation of SMAP observations into a customized version of the NASA Goddard Earth Observing System, Version 5 (GEOS-5) land data assimilation system (LDAS). This document applies to any standard L4_SM data product generated by the SMAP Project. The Soil Moisture Active Passive (SMAP) mission will enhance the accuracy and the resolution of space-based measurements of terrestrial soil moisture and freeze-thaw state. SMAP data products will have a noteworthy impact on multiple relevant and current Earth Science endeavors. These include: Understanding of the processes that link the terrestrial water, the energy and the carbon cycles, Estimations of global water and energy fluxes over the land surfaces, Quantification of the net carbon flux in boreal landscapes Forecast skill of both weather and climate, Predictions and monitoring of natural disasters including floods, landslides and droughts, and Predictions of agricultural productivity. To provide these data, the SMAP mission will deploy a satellite observatory in a near polar, sun synchronous orbit. The observatory will house an L-band radiometer that operates at 1.40 GHz and an L-band radar that operates at 1.26 GHz. The instruments will share a rotating reflector antenna with a 6 meter aperture that scans over a 1000 km swath.

  20. Marine chemistry, fish / shell-fish surveys, benthic organisms, and marine toxic substances and pollutants data from current meter and other instruments in the Gulf of Mexico from 26 January 1993 to 13 June 1994 (NODC Accession 9500088)

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Marine chemistry, fish / shell-fish surveys, benthic organisms, and marine toxic substances and pollutants data were collected using current meter and other...

  1. Behandlas barn olika? : Smärtskattning på barn efter skoliosoperation

    OpenAIRE

    Karlsson, Linda; Zetterlund, Martin

    2010-01-01

    Inledning: Postoperativ smärta hos barn är fortfarande ett problem trots förbättrade arbetsrutiner och smärtbehandling. Smärtskattning på barn och speciellt barn med kognitiva nedsättningar kräver att sjuksköterskorna har kunskap om tillgängliga smärtskattningsinstrument. På så vis ges alla barn möjlighet att smärtskattas. Syfte: Att undersöka hur ofta sjuksköterskor smärtskattar barn som opereras för skolios postoperativt. Design: En retrospektiv studie. Metod: Journalgranskningen genomförde...

  2. Preparation and bio-distribution of 153Sm-HEDTMP as a radiopharmaceutical for bone metastases

    Institute of Scientific and Technical Information of China (English)

    JIANG Shu-Bin; LUO Shun-Zhong; HU Shu; DENG Hou-Fu; BIN Wen-Zeng; WANG Wen-Jin; WEI Hong-Yuan; LEI Yong

    2004-01-01

    HEDTMP (N-(2-hydroxyethyl) ethlenediamine-1,1,2-tri(methylene phosphonic acid)) was labeled with 153Sm. The formation condition, stability, rabbit bone imaging and mouse bio-distribution of 153Sm -HEDTMP were investigated. The results showed that weak basic media and high ligand's concentration were favorable to form 153Sm-HEDTMP, and neutral or weak basic media increase the stability of 153Sm-HEDTMP. And the higher the concentration of HEDTMP was, the more stable the labeling complex was. Bio-distribution study indicated the uptake of 153Sm-HEDTMP in skeleton was high ((25.68±1.22)ID%/g bone at 3 h post injection and (16.56±1.01)ID%/g bone at 48 h post injection), while the non-target tissue uptake and retention were relatively low, so 153Sm-HEDTMP is a promising bone tumor therapeutic agent.

  3. Luminescence properties of SrB4O7:Sm2+ for light conversion agent

    Institute of Scientific and Technical Information of China (English)

    SUN Jiayue; ZHU Jicheng; LIU Xiaotang; DU Haiyan

    2012-01-01

    A deep red-emitting SrB4O7:Sm2+ phosphor for light conversion agent was synthesized by the conventional solid-state reaction.X-ray powder diffraction (XRD) analysis confirmed the phase formation of SrB4O7:Sm2+ materials.Results of luminescence properties showed that the phosphor could be efficiently excited by the UV-vis light region from 250-500 nm,and it exhibited deep red (685 nm) emission corresponding to 5D0→7F0 transition of Sm2+.The critical quenching concentration of Sm2+ in SrB4O7:Sm2+ phosphor was about 0.05,and the corresponding concentration quenching mechanism was verified to be the dipole-dipole interaction according to the Dexter's theory.The decay times had few alterations with different concentrations in SrB4O7:xSm2+ phosphor.

  4. Geometry of the valence transition induced surface reconstruction of Sm(0001)

    CERN Document Server

    Lundgren, E; Nyholm, R; Torrelles, X; Rius, J; Delin, A; Grechnev, A; Eriksson, O; Konvicka, C; Schmid, M; Varga, P

    2002-01-01

    We present a structural determination of the surface reconstruction of the Sm(0001) surface using surface x-ray diffraction, scanning tunneling microscopy, and {\\it ab initio} calculations. The reconstruction is associated with a large (22%) expansion of the atomic radius for the top monolayer surface Sm atoms. The mechanism driving the surface reconstruction in Sm is unique among all elements and is connected to the strong correlations of the $4f$ electrons in Sm and the intermediate valence observed in certain Sm compounds. The atoms constituting the top monolayer of Sm(0001) have vastly different chemical properties compared to the layer underneath and behave as if they were an adsorbate of a different chemical species.

  5. Effects of Sm on Phase Transformation in Ni-Mn-Ga Alloys

    Institute of Scientific and Technical Information of China (English)

    郭世海; 张羊换; 赵增祺; 祁焱; 全白云; 王新林

    2004-01-01

    The effects of small amount additions of Sm on the martensitic transition and magnetic phase transition of polycrystalline Ni-Mn-Ga alloys were investigated. The experimental results show that the Sm doped alloys also undergo a thermal-elastic martensitic transformation and reverse transformation during cooling and heating process and the addition of Sm decreases the martensitic transformation temperature and Curie temperature in different degree respectively. Ni-Mn-Ga alloys of adding Sm still possess Heusler structure, but their crystal lattice parameters are modified slightly. The addition of a proper amount of Sm does not basically decrease Tc of the alloy when avoiding the appearance of second phase. In addition, the doped alloys have favorable toughness because of grain refinement of Sm.

  6. XRD Analysis on the Fluorescence Material of Sm Doped Si-Ca-Mg System

    Institute of Scientific and Technical Information of China (English)

    HUANG Qing-Ming

    2007-01-01

    Fluorescence material of Sm doped Si-Ca-Mg system was synthesized by using the method of solid phase reaction at high temperature. The phase composition and crystal structure of this material were analyzed with XRD method for its composition and the existence form of Sm atom. We aimed to exactly determine the phase composition of this fluorescence material and the doping position and environment of rare-earth Sm atom in the system because these factors have significant effects on the properties. The analytical results show that the Sm atoms dope in Ca2O26Si6Sm8 lattice in the form of atomic site-occupation in three different space positions with different occupancy rates. Therefore, based on the XRD analytical results, the fluorescence material of Sm doped Si-Ca-Mg system with high performance can be synthesized.

  7. Theoretical investigation of antiferroelectric (SmCA*) subphases by hydrodynamical approach

    Science.gov (United States)

    Lahiri, T.; Pal Majumder, T.

    2011-12-01

    We provide a hydrodynamical approach utilizing time dependent Landau-Ginzburg model (L-G) and the Cahn-Hilliard model (C-H) to investigate antiferroelectric liquid crystals (AFLCs) exhibiting different chiral phases between paraelectric smectic A (SmA*) phase and antiferroelectric smectic CA* phase (SmCA*). Introducing conserved and non-conserved order parameters in C-H and L-G models, we have predicted the appearance of a chiral smectic C (SmC*) phase and a ferrielectric SmCFI1* phase (three layers SmCA*) in an antiferroelectric phase sequence. The three layers periodicity for SmCFI1* phase is studied in detail with a non-uniform layer interactions among smectic layers with strong experimental support. Finally, we provide some theoretical basis for the non-uniformity of our proposed layer interactions.

  8. Highlights of the SM Physics at the LHC

    CERN Document Server

    Yang, Haijun; The ATLAS collaboration

    2015-01-01

    This talk shows the recent highlights of the SM physics from the ATLAS and CMS experiments at the LHC. It includes the precision measurements of diboson, triboson, vector boson scattering, and indirect search for new physics via anomalous triple/quartic gauge boson couplings etc. Some latest results from LHC Run2 @ 13 TeV will also be presented. The talk was invited to present at the 5th KIAS Workshop on Particle Physics and Cosmology in Seoul on November 9-13, 2015.

  9. Area SM12/SD12 - Reintegrated into the Meyrin Site

    CERN Document Server

    Relations with the Host States Service

    2005-01-01

    Area SM12/SD12 near the Saint-Genis-Pouilly roundabout will be reintegrated into the Meyrin Site on Friday, 8 July at 2.00 p.m. From this date the area concerned will be accessible exclusively via the Route Siegbahn. The gate onto the main road RD 984 will be used exclusively for the exceptional loads of the LHC dipole cryomagnets under conditions laid down by the relevant authorities. Relations with the Host States Service and TS-IC Group

  10. VIRUS instrument enclosures

    Science.gov (United States)

    Prochaska, T.; Allen, R.; Mondrik, N.; Rheault, J. P.; Sauseda, M.; Boster, E.; James, M.; Rodriguez-Patino, M.; Torres, G.; Ham, J.; Cook, E.; Baker, D.; DePoy, Darren L.; Marshall, Jennifer L.; Hill, G. J.; Perry, D.; Savage, R. D.; Good, J. M.; Vattiat, Brian L.

    2014-08-01

    The Visible Integral-Field Replicable Unit Spectrograph (VIRUS) instrument will be installed at the Hobby-Eberly Telescope† in the near future. The instrument will be housed in two enclosures that are mounted adjacent to the telescope, via the VIRUS Support Structure (VSS). We have designed the enclosures to support and protect the instrument, to enable servicing of the instrument, and to cool the instrument appropriately while not adversely affecting the dome environment. The system uses simple HVAC air handling techniques in conjunction with thermoelectric and standard glycol heat exchangers to provide efficient heat removal. The enclosures also provide power and data transfer to and from each VIRUS unit, liquid nitrogen cooling to the detectors, and environmental monitoring of the instrument and dome environments. In this paper, we describe the design and fabrication of the VIRUS enclosures and their subsystems.

  11. Gemini Instrument Upgrade Program

    Science.gov (United States)

    Diaz, Ruben; Goodsell, Stephen; Kleinman, Scot

    2016-08-01

    The Gemini Observatory* remains committed to keeping its operational instrumentation competitive and serving the needs of its user community. Currently the observatory operates a 4 instruments + 1 AO system at each site. At Gemini North the GMOS-N, GNIRS, NIFS and NIRI instruments are offered supported by the ALTAIR AO system. In the south, GMOS-S, F-2, GPI and GSAOI are offered instrumentation and GeMS is the provided AO System. This paper reviews our strategy to keep our instrumentation suite competitive, examines both our current funded upgrade projects and our potential future enhancements. We summarize the work done and the results so far obtained within the instrument upgrade program.

  12. Instrumentation a reader

    CERN Document Server

    Pope, P

    1990-01-01

    This book contains a selection of papers and articles in instrumentation previously pub­ lished in technical periodicals and journals of learned societies. Our selection has been made to illustrate aspects of current practice and applications of instrumentation. The book does not attempt to be encyclopaedic in its coverage of the subject, but to provide some examples of general transduction techniques, of the sensing of particular measurands, of components of instrumentation systems and of instrumentation practice in two very different environments, the food industry and the nuclear power industry. We have made the selection particularly to provide papers appropriate to the study of the Open University course T292 Instrumentation. The papers have been chosen so that the book covers a wide spectrum of instrumentation techniques. Because of this, the book should be of value not only to students of instrumen­ tation, but also to practising engineers and scientists wishing to glean ideas from areas of instrumen...

  13. Towards an Enterprise Architecture Benefits Measurement Instrument

    NARCIS (Netherlands)

    Plessius, Henk; Steenbergen, van Marlies; Slot, Raymond

    2015-01-01

    Author supplied: Based on the Enterprise Architecture Value Framework (EAVF) - a generic framework to classify benefits of Enterprise Architecture (EA) - a measurement instrument for EA benefits has been developed and tested in a survey with 287 respondents. In this paper we present the results of

  14. Locating Tests and Measurement Instruments for Assessment

    Science.gov (United States)

    Mastel, Kristen; Morris-Knower, Jim; Marsalis, Scott

    2016-01-01

    Extension educators, staff, and specialists need to use surveys and other measurement instruments to assess their programming and conduct other research. Challenges in locating tests and measurement tools, however, include lack of time and lack of familiarity with techniques that can be used to find them. This article discusses library resources…

  15. Enhanced protective efficacy of a chimeric form of the schistosomiasis vaccine antigen Sm-TSP-2.

    Directory of Open Access Journals (Sweden)

    Mark S Pearson

    Full Text Available The large extracellular loop of the Schistosoma mansoni tetraspanin, Sm-TSP-2, when fused to a thioredoxin partner and formulated with Freund's adjuvants, has been shown to be an efficacious vaccine against murine schistosomiasis. Moreover, Sm-TSP-2 is uniquely recognised by IgG(1 and IgG(3 from putatively resistant individuals resident in S. mansoni endemic areas in Brazil. In the present study, we expressed Sm-TSP-2 at high yield and in soluble form in E. coli without the need for a solubility enhancing fusion partner. We also expressed in E. coli a chimera called Sm-TSP-2/5B, which consisted of Sm-TSP-2 fused to the immunogenic 5B region of the hookworm aspartic protease and vaccine antigen, Na-APR-1. Sm-TSP-2 formulated with alum/CpG showed significant reductions in adult worm and liver egg burdens in two separate murine schistosomiasis challenge studies. Sm-TSP-2/5B afforded significantly greater protection than Sm-TSP-2 alone when both antigens were formulated with alum/CpG. The enhanced protection obtained with the chimeric fusion protein was associated with increased production of anti-Sm-TSP-2 antibodies and IL-4, IL-10 and IFN-γ from spleen cells of vaccinated animals. Sera from 666 individuals from Brazil who were infected with S. mansoni were screened for potentially deleterious IgE responses to Sm-TSP-2. Anti-Sm-TSP-2 IgE to this protein was not detected (also shown previously for Na-APR-1, suggesting that the chimeric antigen Sm-TSP-2/5B could be used to safely and effectively vaccinate people in areas where schistosomes and hookworms are endemic.

  16. Production of 92Nb, 92Mo, and 146Sm in the gamma-process in SNIa

    CERN Document Server

    Rauscher, T; Gallino, R; Nishimura, N; Hirschi, R

    2014-01-01

    The knowledge of the production of extinct radioactivities like 92Nb and 146Sm by photodisintegration processes in ccSN and SNIa models is essential for interpreting abundances in meteoritic material and for Galactic Chemical Evolution (GCE). The 92Mo/92Nb and 146Sm/144Sm ratios provide constraints for GCE and production sites. We present results for SNIa with emphasis on nuclear uncertainties.

  17. Investigation of optical and spectroscopic properties of Sm3+ ions in CaBAl glasses

    Science.gov (United States)

    Brito, D. R. N.; Queiroz, M. N.; Barboza, M. J.; Steimacher, A.; Pedrochi, F.

    2017-02-01

    Samples of CaBAl glass with composition of (25-x)CaO-50B2O3-15Al2O3-10CaF2-xSm2O3, with Sm2O3 concentration varying from 0.5 to 7 wt%, were prepared by using melt-quenching method in air atmosphere. The samples were prepared with different concentrations of Sm2O3, aiming to understand how the dopant changes the optical and spectroscopic properties of the glass. The doped CaBAl glasses were studied by means of volumetric density measurements, refractive index, optical absorption, luminescence at room temperature, luminescence as function of the temperature and radiative lifetime. All results were discussed in function of Sm2O3 concentration. The measured volumetric density and polarizability showed an increase with Sm2O3 doping. The refractive index showed a small increase due to RE doping, although within the errors. The absorption bands were attributed to Sm3+ transitions from the ground state 6H5/2 to the various excited states. The luminescence spectra present emission bands assigned to the appropriate electronic f-f transitions of Sm3+ ions; there are four emission bands at 565, 602, 649 and 710 nm. The luminescence quenching was observed up to 2 wt% of Sm2O3. The O/R ratio as function of the Sm2O3 concentration showed changes in the symmetry site with addition of Sm2O3. The CIE 1931 diagram presented a reddish-orange shift color with Sm2O3 doping. The luminescence intensity presents a decrease with temperature increase for all studied samples. The experimental lifetime decreases with the increase of Sm2O3, mainly due to ion-ion interaction.

  18. A nanocrystalline Sm-Co compound for high-temperature permanent magnets.

    Science.gov (United States)

    Zhang, Zhexu; Song, Xiaoyan; Qiao, Yinkai; Xu, Wenwu; Zhang, Jiuxing; Seyring, Martin; Rettenmayr, Markus

    2013-03-21

    The inherently high magnetic anisotropy and nanoscale grain size in a Sm5Co19 compound result in an intrinsic coercivity far higher than those of known Sm-Co compounds prior to orientation treatment. The combination of ultrahigh intrinsic coercivity, high Curie temperature and low coercivity temperature coefficient of nanocrystalline Sm5Co19 as a single phase material shows it to be a very promising compound to develop outstanding high-temperature permanent magnets.

  19. Photoluminescence Behaviour of Sm3+ Ions in presence of Ag Nanoparticles in Methanol

    Science.gov (United States)

    Dehingia, N.; Gogoi, P.; Boruah, A.; Kakoti, D.; Rajkonwar, N.; Dutta, P.

    2016-10-01

    In the present work, capped Ag NPs prepared by reduction of Ag (NO3)3 by Dimethyl Formamide is doped with Sm3+ in methanol and its photoluminescence behavior is studied. Significant modifications of the Sm3+ ions’ emission as well as quantum yield, were observed with the concentration of Ag NPs. Local field enhancement induced by neutral Ag NPs were found to be responsible for enhancement in efficiency of the Sm3+ ions.

  20. Effect of ZnS nanoparticles on the photoluminescence of Sm3+ ions in methanol

    Science.gov (United States)

    Kakoti, D.; Rajkonwar, N.; Dehingia, N.; Boruah, A.; Gogoi, P.; Dutta, P.

    2016-10-01

    ZnS nanoparticles co-doped with Sm3+ ions were prepared in methanol medium for fixed Sm3+ and varying ZnS concentrations. Enhancements in absorption as well as photoluminescence efficiency of the co-doped samples were observed. This enhanced efficiency is attributed to the effective increase in oscillator strengths of the Sm3+ transitions because of the addition of ZnS nanoparticles.

  1. Crystal growth and physical properties of the new filled skutterudite SmFe4As12

    Science.gov (United States)

    Kikuchi, Daisuke; Tatsuoka, Sho; Tanaka, Kenya; Kawahito, Yusuke; Ueda, Makoto; Shinozawa, Akihiro; Aoki, Hidekazu; Kuwahara, Keitaro; Aoki, Yuji; Sato, Hideyuki

    2008-04-01

    We have succeeded in synthesizing new filled skutterudite SmFe4As12 under high pressure. We found that SmFe4As12 can be synthesized only in a narrow temperature range near 1170 K. The electrical resistivity shows metallic temperature dependence with the residual resistivity ratio is 20, indicating the reasonably high crystallinity of the sample. The magnetization and the specific heat measurements revealed that SmFe4As12 undergoes a ferromagnetic transition at TC=39 K.

  2. Aircrew Screening Instruments Review

    Science.gov (United States)

    2007-09-01

    available tools . Several vendors indicated that they will have new selection instruments available within a few months. These are not listed. As noted...AFCAPS-FR-2011-0012 AIRCREW SCREENING INSTRUMENTS REVIEW Diane L. Damos Damos Aviation Services, Inc...June 2007 – August 2007 4. TITLE AND SUBTITLE Aircrew Screening Instruments Review 5a. CONTRACT NUMBER FA3089-06-F-0385 5b. GRANT NUMBER 5c

  3. Reduction of ketones and alkyl iodides by SmI(2) and Sm(II)-HMPA complexes. Rate and mechanistic studies.

    Science.gov (United States)

    Prasad, E; Flowers, Robert A

    2002-06-19

    The effect of HMPA on the electron transfer (ET) rate of samarium diiodide reduction reactions in THF was analyzed for a series of ketones (2-butanone, methyl acetoacetate, and N,N-dimethylacetoacetamide) and alkyl iodides (1-iodobutane and 2-iodobutane) with stopped flow spectrophotometric studies. Activation parameters for the ET processes were determined by temperature-dependence studies over a range of 30-50 degrees C. The ET rate constants and the activation parameters obtained for the above systems in the presence of different equivalents of HMPA were compared to understand the mechanism of action of HMPA on various substrates. The results obtained from these studies indicate that coordination or chelation is possible in the transition state geometry for SmI(2)/ketone systems even in the presence of the sterically demanding ligand HMPA. After the addition of 4 equiv of HMPA the ET rate and activation parameters for ketone reduction by Sm is unaffected by further HMPA addition while a linear dependence of ET rate on the equivalents of HMPA was found in the SmI(2)/alkyl iodide system. The results of these studies are consistent with an inner-sphere-type ET for the reduction of ketones by SmI(2) (and SmI(2)[bond]HMPA complexes) and an outer-sphere-type ET for the reduction of alkyl iodides by SmI(2) or SmI(2)[bond]HMPA complexes.

  4. Signature of Al{sub 11}Sm{sub 3} fragments in undercooled Al{sub 90}Sm{sub 10} liquid from ab initio molecular dynamics simulations

    Energy Technology Data Exchange (ETDEWEB)

    Fang, X W; Ding, Z J [Hefei National Laboratory for Physical Sciences at Microscale and Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026 (China); Wang, C Z; Yao, Y X; Ho, K M, E-mail: wangcz@ameslab.gov, E-mail: zjding@ustc.edu.cn [Ames Laboratory-US Department of Energy and Department of Physics, Iowa State University, Ames, IA 50011 (United States)

    2011-06-15

    An ab initio molecular dynamics (MD) simulation is performed to investigate the structural evolution in Al{sub 90}Sm{sub 10} liquid from 1500 to 900 K. Development of Al{sub 11}Sm{sub 3} local order upon rapid cooling is suggested by the Honeycutt-Anderson (HA) index analysis and the appearance of a predominant Sm-Sm-Sm bond angle around 90{sup 0} when the liquid approaches the melting point ({approx}920 K). Direct structural evidence of Al{sub 11}Sm{sub 3} fragments at 900 K is obtained using an atomic cluster alignment method developed recently. Meanwhile, development of strong icosahedral short range order (ISRO) and a non-negligible amount of fcc-type clusters around Al in the system are also observed. These results suggest that fcc Al and Al{sub 11}Sm{sub 3} crystalline phases would compete strongly with the formation of an amorphous phase that exhibits ISRO in the diffusionless solidification limit upon rapid quenching.

  5. Purification of the spliced leader ribonucleoprotein particle from Leptomonas collosoma revealed the existence of an Sm protein in trypanosomes. Cloning the SmE homologue.

    Science.gov (United States)

    Goncharov, I; Palfi, Z; Bindereif, A; Michaeli, S

    1999-04-30

    Trans-splicing in trypanosomes involves the addition of a common spliced leader (SL) sequence, which is derived from a small RNA, the SL RNA, to all mRNA precursors. The SL RNA is present in the cell in the form of a ribonucleoprotein, the SL RNP. Using conventional chromatography and affinity selection with 2'-O-methylated RNA oligonucleotides at high ionic strength, five proteins of 70, 16, 13, 12, and 8 kDa were co-selected with the SL RNA from Leptomonas collosoma, representing the SL RNP core particle. Under conditions of lower ionic strength, additional proteins of 28 and 20 kDa were revealed. On the basis of peptide sequences, the gene coding for a protein with a predicted molecular weight of 11.9 kDa was cloned and identified as homologue of the cis-spliceosomal SmE. The protein carries the Sm motifs 1 and 2 characteristic of Sm antigens that bind to all known cis-spliceosomal uridylic acid-rich small nuclear RNAs (U snRNAs), suggesting the existence of Sm proteins in trypanosomes. This finding is of special interest because trypanosome snRNPs are the only snRNPs examined to date that are not recognized by anti-Sm antibodies. Because of the early divergence of trypanosomes from the eukaryotic lineage, the trypanosome SmE protein represents one of the primordial Sm proteins in nature.

  6. [Controlling instruments in radiology].

    Science.gov (United States)

    Maurer, M

    2013-10-01

    Due to the rising costs and competitive pressures radiological clinics and practices are now facing, controlling instruments are gaining importance in the optimization of structures and processes of the various diagnostic examinations and interventional procedures. It will be shown how the use of selected controlling instruments can secure and improve the performance of radiological facilities. A definition of the concept of controlling will be provided. It will be shown which controlling instruments can be applied in radiological departments and practices. As an example, two of the controlling instruments, material cost analysis and benchmarking, will be illustrated.

  7. Ocean Optics Instrumentation Systems

    Data.gov (United States)

    Federal Laboratory Consortium — FUNCTION: Provides instrumentation suites for a wide variety of measurements to characterize the ocean’s optical environment. These packages have been developed to...

  8. Networked Instrumentation Element

    Data.gov (United States)

    National Aeronautics and Space Administration — Armstrong researchers have developed a networked instrumentation system that connects modern experimental payloads to existing analog and digital communications...

  9. Satellite oceanography - The instruments

    Science.gov (United States)

    Stewart, R. H.

    1981-01-01

    It is pointed out that no instrument is sensitive to only one oceanographic variable; rather, each responds to a combination of atmospheric and oceanic phenomena. This complicates data interpretation and usually requires that a number of observations, each sensitive to somewhat different phenomena, be combined to provide unambiguous information. The distinction between active and passive instruments is described. A block diagram illustrating the steps necessary to convert data from satellite instruments into oceanographic information is included, as is a diagram illustrating the operation of a radio-frequency radiometer. Attention is also given to the satellites that carry the various oceanographic instruments.

  10. PEP Laser Surveying System

    Energy Technology Data Exchange (ETDEWEB)

    Lauritzen, T.; Sah, R.C.

    1979-03-01

    A Laser Surveying System has been developed to survey the beam elements of the PEP storage ring. This system provides automatic data acquisition and analysis in order to increase survey speed and to minimize operator error. Two special instruments, the Automatic Readout Micrometer and the Small Automatic Micrometer, have been built for measuring the locations of fiducial points on beam elements with respect to the light beam from a laser. These instruments automatically encode offset distances and read them into the memory of an on-line computer. Distances along the beam line are automatically encoded with a third instrument, the Automatic Readout Tape Unit. When measurements of several beam elements have been taken, the on-line computer analyzes the measured data, compared them with desired parameters, and calculates the required adjustments to beam element support stands.

  11. Study on Modification of Sm2O3 by Ni/Sepiolite Catalyst

    Institute of Scientific and Technical Information of China (English)

    罗来涛; 李松军; 邓庚凤

    2003-01-01

    A series of Ni-Sm/sepiolite catalysts were prepared by impregnation. The modification of Sm2O3 for Ni/sepiolite was investigated by TPR, XPS and poisoning of CS2, respectively. The results indicate that the addition of Sm2O3 improves the activity of hydrogenation and anti-poisoning ability of Ni/sepiolite catalyst, and it also increases the dispersion of nickel atoms over support and the amount of active nickel atoms in catalyst. Effect of Sm2O3 on Ni/sepiolite catalyst includes not only electronic effect but also steric effect, whereas electronic effect seems to be principal.

  12. Hydrothermal synthesis and luminescence properties of Eu3+and Sm3+codoped BiPO4

    Institute of Scientific and Technical Information of China (English)

    钟剑明; 赵韦人; 蓝立财; 王建青

    2014-01-01

    Eu3+/Sm3+codoped BiPO4 phosphors were synthesized via a facile hydrothermal method with surfactant-free environment. The X-ray diffraction analysis demonstrated that the samples possessed the standard BiPO4 monoclinic structure. Scanning electron microscopy images showed that all samples composed of well-dispersed, micrometer-sized crystals with shuttle-like shape. Energy transfer from Sm3+to Eu3+was confirmed by the luminescence spectra and the decay processes of Sm3+ 4G5/2→6H5/2 emission. Or-ange-red luminescence could be obtained in Eu3+/Sm3+codoped BiPO4 phosphors. The average lifetime of Sm3+ 4G5/2→6H5/2 emis-sion decreased from 2.70 ms in BiPO4:0.03Sm3+ to 2.37 ms in BiPO4:0.03Sm3+,0.05Eu3+. The strong and wide absorption band around 395 nm, originating from both 7F0→5L6 transition of Eu3+and 6H5/2→4K11/2 transition of Sm3+, endowed BiPO4:Eu3+,Sm3+phosphors with the potential application in the fields of near UV-excited white-light-emitting diodes.

  13. Low temperature preparation and superconductivity of F-doped SmFeAsO

    Science.gov (United States)

    Chen, Y. L.; Cui, Y. J.; Cheng, C. H.; Yang, Y.; Wang, L.; Li, Y. C.; Zhang, Y.; Zhao, Y.

    2010-11-01

    A low temperature (1100 °C) process of preparing F-doped SmFeAsO samples has been developed using SmF3 with nanometer scale as the source of fluorine. A series of the SmFeAsO1-xFx (x = 0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3) samples have been prepared using the present method. Compared with previous reports, the present SmF3 is more effective to introduce F into SmFeAsO system in which a transition temperature of 39 K can be observed when x = 0.05. The superconductivity is definitely enhanced with the increasing F-doping level. All the samples presented to be layered structure and the crystal particle size is about three times larger with sintering time increasing from 36 h to 48 h. Except for the nanometer scale of SmF3, the flux effect of SmF3 is recognized to be another reason for the decrease of the sintering temperature. Further more, a relatively large amount of SmF3 was also employed in the raw materials to introduce excessive F and this has induced higher Tc (55 K) in SmFeAsO0.8F0.2+δ system.

  14. Low temperature preparation and superconductivity of F-doped SmFeAsO

    Energy Technology Data Exchange (ETDEWEB)

    Chen, Y.L.; Cui, Y.J. [Key Laboratory of Magnetic Levitation Technologies and Maglev Trains (Ministry of Education of China), Superconductivity R and D Center (SRDC), Mail Stop 165, Southwest Jiaotong University, Chengdu, Sichuan 610031 (China); Cheng, C.H. [School of Materials Science and Engineering, University of New South Wales, Sydney, 2052 NSW (Australia); Yang, Y.; Wang, L.; Li, Y.C.; Zhang, Y. [Key Laboratory of Magnetic Levitation Technologies and Maglev Trains (Ministry of Education of China), Superconductivity R and D Center (SRDC), Mail Stop 165, Southwest Jiaotong University, Chengdu, Sichuan 610031 (China); Zhao, Y., E-mail: yzhao@swjtu.edu.c [Key Laboratory of Magnetic Levitation Technologies and Maglev Trains (Ministry of Education of China), Superconductivity R and D Center (SRDC), Mail Stop 165, Southwest Jiaotong University, Chengdu, Sichuan 610031 (China); School of Materials Science and Engineering, University of New South Wales, Sydney, 2052 NSW (Australia)

    2010-11-01

    A low temperature (1100 deg. C) process of preparing F-doped SmFeAsO samples has been developed using SmF{sub 3} with nanometer scale as the source of fluorine. A series of the SmFeAsO{sub 1-x}F{sub x} (x = 0, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3) samples have been prepared using the present method. Compared with previous reports, the present SmF{sub 3} is more effective to introduce F into SmFeAsO system in which a transition temperature of 39 K can be observed when x = 0.05. The superconductivity is definitely enhanced with the increasing F-doping level. All the samples presented to be layered structure and the crystal particle size is about three times larger with sintering time increasing from 36 h to 48 h. Except for the nanometer scale of SmF{sub 3}, the flux effect of SmF{sub 3} is recognized to be another reason for the decrease of the sintering temperature. Further more, a relatively large amount of SmF{sub 3} was also employed in the raw materials to introduce excessive F and this has induced higher T{sub c} (55 K) in SmFeAsO{sub 0.8}F{sub 0.2+{delta}}system.

  15. Electrodeposition of Sm–Co film with high Sm content from aqueous solution

    Energy Technology Data Exchange (ETDEWEB)

    Long, Xiong-fei; Guo, Guang-hua, E-mail: guogh@mail.csu.edu.cn; Li, Xin-hua; Xia, Qing-lin; Zhang, Jin-fang

    2013-12-02

    Sm–Co films with high Sm content were electrodeposited by potentiostat technique from the aqueous solution containing glycine as a complexing agent. The Cyclic Voltammetry measurements showed that the glycine plays a crucial role in the electrodeposition of Sm–Co films. The forming of stable complex [Co{sup II}Sm{sup III}(Gly{sup −}){sub 2}(HGly{sup ±})]{sup 3+} facilitated the codeposition of Sm with Co at relatively low potential, which made it possible to fabricate the Sm–Co films with high Sm content. The Sm–Co film with 43 at.% Sm had been obtained. X-ray diffraction showed that the as-deposited Sm–Co films were amorphous. After annealing at 600 °C for 2 h in Ar atmosphere, the films became crystalline and the permanent Sm{sub 2}Co{sub 17} phase was formed, which significantly enhanced the coercivity of the films. - Highlights: • The Sm–Co film with high Sm content is electrodeposited from aqueous solutions. • The addition of glycine facilitates the codeposition of Sm with Co at relatively low potential. • The Sm{sub 2}Co{sub 17} phase is formed in the annealed Sm–Co film.

  16. β-decay spectroscopy of neutron-rich 160,161,162Sm isotopes

    Science.gov (United States)

    Patel, Z.; Podolyák, Zs.; Walker, P. M.; Regan, P. H.; Söderström, P.-A.; Watanabe, H.; Ideguchi, E.; Simpson, G. S.; Nishimura, S.; Browne, F.; Doornenbal, P.; Lorusso, G.; Rice, S.; Sinclair, L.; Sumikama, T.; Wu, J.; Xu, Z. Y.; Aoi, N.; Baba, H.; Bello Garrote, F. L.; Benzoni, G.; Daido, R.; Dombrádi, Zs.; Fang, Y.; Fukuda, N.; Gey, G.; Go, S.; Gottardo, A.; Inabe, N.; Isobe, T.; Kameda, D.; Kobayashi, K.; Kobayashi, M.; Komatsubara, T.; Kojouharov, I.; Kubo, T.; Kurz, N.; Kuti, I.; Li, Z.; Liu, H. L.; Matsushita, M.; Michimasa, S.; Moon, C.-B.; Nishizuka, H.; Nishizuka, I.; Odahara, A.; Şahin, E.; Sakurai, H.; Schaffner, H.; Suzuki, H.; Takeda, H.; Tanaka, M.; Taprogge, J.; Vajta, Zs.; Xu, F. R.; Yagi, A.; Yokoyama, R.

    2016-09-01

    Neutron-rich 160,161,162Sm isotopes have been populated at the RIBF, RIKEN via β first time. β-coincident γ rays were observed in all three isotopes including γ rays from the isomeric decay of 160Sm and 162Sm. The isomers in 160Sm and 162Sm have previously been observed but have been populated via β decay for the first time. The isomeric state in 162Sm is assigned a {4^ - }v{{7 over 2}^ + }≤ft[ {633} right] otimes v{{1 over 2}^ - }≤ft[ {521} right] configuration based on the decay pattern. The level schemes of 160Sm and 162Sm are presented. The ground states in the parent nuclei 160Pm and 162Pm are both assigned a {6^ - }v{{7 over 2}^ + }≤ft[ {633} right] otimes π {{5 over 2}^ - }≤ft[ {532} right] configuration based on the population of states in the daughter nuclei. Blocked BCS calculations were performed to further investigate the spin-parities of the ground states in 160Pm, 161Pm, and 162Pm, and the isomeric state in 162Sm

  17. The effect of Sm-doping on optical properties of LaB{sub 6} nanoparticles

    Energy Technology Data Exchange (ETDEWEB)

    Chao, Luomeng [Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016 (China); Inner Mongolia Key Laboratory for Physics and Chemistry of Functional Materials, Inner Mongolia Normal University, Hohhot 010022 (China); Bao, Lihong, E-mail: baolihong@imnu.edu.cn [Inner Mongolia Key Laboratory for Physics and Chemistry of Functional Materials, Inner Mongolia Normal University, Hohhot 010022 (China); Shi, Junjie [State Key Laboratory for Mesoscopic Physics, and Department of Physics, Peking University, Beijing 100871 (China); Wei, Wei [Inner Mongolia Key Laboratory for Physics and Chemistry of Functional Materials, Inner Mongolia Normal University, Hohhot 010022 (China); Tegus, O., E-mail: tegusph@imnu.edu.cn [Inner Mongolia Key Laboratory for Physics and Chemistry of Functional Materials, Inner Mongolia Normal University, Hohhot 010022 (China); Zhang, Zhidong [Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016 (China)

    2015-02-15

    Highlights: • Nanoparticles of Sm-doped LaB{sub 6} have been prepared by solid state reaction. • All samples exhibit high absorbance in NIR range and UV range. • The increase of Sm-doping amount shifts the position of minimum absorptance value. • The optical properties of Sm-doped LaB{sub 6} were interpreted by DFT theory. - Abstract: Nanocrystalline particles of LaB{sub 6}, SmB{sub 6} and Sm-doped LaB{sub 6} have been prepared by a solid-state reaction in order to investigate the optical properties of ternary rare-earth hexaborides. The sizes of prepared nanoparticles range from dozens to more than 200 nm, as confirmed by XRD, SEM and TEM examinations. The optical property concerning the absorption spectra was tested with ultraviolet-visible-near infrared (UV-vis-NIR) absorption spectrum. All samples exhibit high absorbance in NIR range and UV range. The increase of Sm-doping amount shifts the position of minimum absorptance value of LaB{sub 6} to the long-wave direction. Density functional theory (DFT) is employed to interpret the optical properties of Sm-doped LaB{sub 6}, and results indicate that Sm 4f states change the DOS at near Fermi surface of LaB{sub 6} after Sm doping and the reduced number of conduction electrons results into the change of absorption spectra.

  18. β-decay spectroscopy of neutron-rich 160,161,162Sm isotopes

    Directory of Open Access Journals (Sweden)

    Patel Z.

    2016-01-01

    Full Text Available Neutron-rich 160,161,162Sm isotopes have been populated at the RIBF, RIKEN via β first time. β-coincident γ rays were observed in all three isotopes including γ rays from the isomeric decay of 160Sm and 162Sm. The isomers in 160Sm and 162Sm have previously been observed but have been populated via β decay for the first time. The isomeric state in 162Sm is assigned a 4−v72+[ 633 ]⊗v12−[ 521 ]${4^ - }v{{7 \\over 2}^ + }\\left[ {633} \\right] \\otimes v{{1 \\over 2}^ - }\\left[ {521} \\right]$ configuration based on the decay pattern. The level schemes of 160Sm and 162Sm are presented. The ground states in the parent nuclei 160Pm and 162Pm are both assigned a 6−v72+[633]⊗π52−[532]${6^ - }v{{7 \\over 2}^ + }\\left[ {633} \\right] \\otimes \\pi {{5 \\over 2}^ - }\\left[ {532} \\right]$ configuration based on the population of states in the daughter nuclei. Blocked BCS calculations were performed to further investigate the spin-parities of the ground states in 160Pm, 161Pm, and 162Pm, and the isomeric state in 162Sm

  19. Determination of the effective redox potentials of SmI₂, SmBr₂, SmCl₂, and their complexes with water by reduction of aromatic hydrocarbons. Reduction of anthracene and stilbene by samarium(II) iodide-water complex.

    Science.gov (United States)

    Szostak, Michal; Spain, Malcolm; Procter, David J

    2014-03-21

    Samarium(II) iodide-water complexes are ideally suited to mediate challenging electron transfer reactions, yet the effective redox potential of these powerful reductants has not been determined. Herein, we report an examination of the reactivity of SmI2(H2O)n with a series of unsaturated hydrocarbons and alkyl halides with reduction potentials ranging from -1.6 to -3.4 V vs SCE. We found that SmI2(H2O)n reacts with substrates that have reduction potentials more positive than -2.21 V vs SCE, which is much higher than the thermodynamic redox potential of SmI2(H2O)n determined by electrochemical methods (up to -1.3 V vs SCE). Determination of the effective redox potential demonstrates that coordination of water to SmI2 increases the effective reducing power of Sm(II) by more than 0.4 V. We demonstrate that complexes of SmI2(H2O)n arising from the addition of large amounts of H2O (500 equiv) are much less reactive toward reduction of aromatic hydrocarbons than complexes of SmI2(H2O)n prepared using 50 equiv of H2O. We also report that SmI2(H2O)n cleanly mediates Birch reductions of substrates bearing at least two aromatic rings in excellent yields, at room temperature, under very mild reaction conditions, and with selectivity that is not attainable by other single electron transfer reductants.

  20. Cash management system 'CEREUS-SM'; Supermarket muke kinsen shoriki 'CEREUS-SM'

    Energy Technology Data Exchange (ETDEWEB)

    Niizuma, N.; Fukushima, Y.; Kinoshita, S. [Fuji Electric Co. Ltd., Tokyo (Japan)

    2000-03-10

    The adjustment system with change in coin has reduced cashier work in supermarkets, and has spread as the standard peripheral equipment of the point of sales (POS) system. Recently, there have been customer needs for a type with change in bill and coin. Fuji Electric has developed cash management system 'CEREUS-SM' which is as small as the current system only with change in coin and can be handled by anyone, including a part-timer or a student worker. (author)

  1. Exploring the Magnetic Susceptibility of a Haldane Compound Sm2BaNiO5: Optical Spectroscopy of Sm^{3+} Kramers Doublets

    Science.gov (United States)

    Galkin, A. S.; Klimin, S. A.

    2016-12-01

    An optical spectroscopic study of quasi-Haldane chain nickelate Sm2BaNiO5 is presented. A temperature-dependent splitting of the ground-state Kramers doublet of the Sm^{3+} ion due to an antiferromagnetic ordering at TN = 55 K has been obtained experimentally and used to calculate the Schottky-type anomaly in magnetic susceptibility. The value of the magnetic moment of Sm^{3+} ion at zero temperature has been estimated within the model of the ground doublet. One-dimensional magnetic behavior of the nickel subsystem is emphasized.

  2. Low-spin excitations in {sup 146}Sm

    Energy Technology Data Exchange (ETDEWEB)

    Kueppersbusch, C.; Brentano, P. von; Endres, J.; Elvers, M.; Friessner, C.; Zell, K.O.; Zilges, A. [Universitaet zu Koeln, Institut fuer Kernphysik, Koeln (Germany); Pascu, S. [Universitaet zu Koeln, Institut fuer Kernphysik, Koeln (Germany); National Institute for Physics and Nuclear Engineering, Bucharest-Magurele (Romania); Bucurescu, D.; Deleanu, D.; Filipescu, D.; Ghita, D.G.; Glodariu, T.; Mihai, C.; Marginean, N.M.; Marginean, R.; Negret, A.; Sava, T.; Stroe, L.; Zamfir, N.V. [National Institute for Physics and Nuclear Engineering, Bucharest-Magurele (Romania); Cata-Danil, G. [National Institute for Physics and Nuclear Engineering, Bucharest-Magurele (Romania); University POLITEHNICA of Bucharest, Physics Department, Bucharest (Romania); Werner, V. [Yale University, Wright Nuclear Structure Laboratory, New Haven, Connecticut (United States)

    2012-01-15

    The low-spin excitations of the nucleus {sup 146}Sm which is just two neutrons and two protons away from the N = 82 shell and Z = 64 subshell closures have been investigated by means of the {sup 143}Nd({alpha},n) and {sup 144}Nd({alpha},2n) fusion-evaporation reactions. We established 47 hitherto unknown energy levels up to 4.7MeV and 75 new transitions. In addition, 7 spin assignments were possible from the {gamma}-{gamma} angular correlation analysis. The structure of the possible candidates for a 2{sup +} x 3{sup -} quadrupole-octupole multiplet are first discussed in terms of the harmonic vibrational model. A comparison of these states with the corresponding ones in the neighboring N=84 isotones is also presented. Finally, the structure of the {sup 146}Sm nucleus is interpreted in terms of the IBA-spdf model. It is shown that the model is able to reproduce the experimental relative transition strengths of the 2{sup +} x 3{sup -} quadrupole-octupole multiplet and also a series of collective properties such as the proposed double-octupole excitations. (orig.)

  3. Småbørn i interaktion

    DEFF Research Database (Denmark)

    Fisker, Tine Basse

    Småbørn i interaktion. En undersøgelse af socialt udviklingspotentiale og muligheder for interaktion for småbørn med autisme i forskellige pædagogiske og organisatoriske miljøer. På baggrund af kvalitativ, naturalistisk empiri, i form af observationer, videooptagelser, interviews og samtaler, søges...... forståelser og indsigter i børns interaktioner og relationer, særligt i forhold til børn med autisme. Børnenes sociale potentiale, muligheder og forhindringer for social interaktion diskuteres ud fra Vygotskys lærings- og udviklingsteori og Sommers samværsbegreber, samt et generelt metateoretisk...... relationistisk udviklingsperspektiv. Indsigterne søges belyst ud fra en række overordnede problemstillinger: - På hvilke måder indgår børn med autisme i interaktion med andre børn med og uden autisme? På hvilke måder adskiller denne interaktion sig fra typiske børns interaktion og ligner den det billede, som kan...

  4. Magnetotransport in nanocrystalline SmB6 thin films

    Directory of Open Access Journals (Sweden)

    Jie Yong

    2015-07-01

    Full Text Available SmB6 has been predicted to be a prototype of topological Kondo insulator (TKI but its direct experimental evidence as a TKI is still lacking to date. Here we report on our search for the signature of a topological surface state and investigation of the effect of disorder on transport properties in nanocrystalline SmB6 thin films through longitudinal magnetoresistance and Hall coefficient measurements. The magnetoresistance (MR at 2 K is positive and linear (LPMR at low field and become negative and quadratic at higher field. While the negative part is understood from the reduction of the hybridization gap due to Zeeman splitting, the positive dependence is similar to what is observed in other topological insulators (TI. We conclude that the LPMR is a characteristic of TI and is related to the linear dispersion near the Dirac cone. The Hall resistance shows a sign change around 50K. It peaks and becomes nonlinear around 10 K then decreases below 10 K. This indicates that carriers with opposite signs emerge below 50 K. These properties indicate that the surface states are robust and probably topological in our nanocrystalline films.

  5. Instrumentation Design and Development Facilities

    Data.gov (United States)

    Federal Laboratory Consortium — RTTC has facilities for design, development and fabrication of: custominstrumentation, mobile instrumentation, miniaturized instrumentation, wirelessinstrumentation,...

  6. The QCD/SM working group: Summary report

    Energy Technology Data Exchange (ETDEWEB)

    Dobbs, Matt; Frixione, S.; Laenen, E.; De Roeck, A.; Tollefson, K.; Andersen, J.; Balazs, C.; Banfi, A.; Bernreuther, W.; Binoth, T.; Brandenburg, A.; Buttar, C.; Cao, C-H.; Cruz, A.; Dawson, I.; DelDuca, V.; Drollinger, V.; Dudko, L.; Eynck, T.; Field, R.; Grazzini, M.; Guillet, J.P.; Heinrich, G.; Huston, J.; Kauer, N.; Kidonakis, N.; Kulesza, A.; Lassila-Perini, K.; Magnea, L.; Mahmoudi, F.; Maina, E.; Maltoni, F.; Nolten, M.; Moraes, A.; Moretti, S.; Mrenna, S.; Nagy, Z.; Olness, F.; Puljak, I.; Ross, D.A.; Sabio-Vera, A.; Salam, G.P.; Sherstnev, A.; Si, Z.G.; Sjostrand, T.; Skands, P.; Thome, E.; Trocsanyi, Z.; Uwer, P.; Weinzierl, S.; Yuan, C.P.; Zanderighi,G.; Zanderighi, G.

    2004-04-09

    Among the many physics processes at TeV hadron colliders, we look most eagerly for those that display signs of the Higgs boson or of new physics. We do so however amid an abundance of processes that proceed via Standard Model (SM) and in particular Quantum Chromodynamics (QCD) interactions, and that are interesting in their own right. Good knowledge of these processes is required to help us distinguish the new from the known. Their theoretical and experimental study teaches us at the same time more about QCD/SM dynamics, and thereby enables us to further improve such distinctions. This is important because it is becoming increasingly clear that the success of finding and exploring Higgs boson physics or other New Physics at the Tevatron and LHC will depend significantly on precise understanding of QCD/SM effects for many observables. To improve predictions and deepen the study of QCD/SM signals and backgrounds was therefore the ambition for our QCD/SM working group at this Les Houches workshop. Members of the working group made significant progress towards this on a number of fronts. A variety of tools were further developed, from methods to perform higher order perturbative calculations or various types of resummation, to improvements in the modeling of underlying events and parton showers. Furthermore, various precise studies of important specific processes were conducted. A significant part of the activities in Les Houches revolved around Monte Carlo simulation of collision events. A number of contributions in this report reflect the progress made in this area. At present a large number of Monte Carlo programs exist, each written with a different purpose and employing different techniques. Discussions in Les Houches revealed the need for an accessible primer on Monte Carlo programs, featuring a listing of various codes, each with a short description, but also providing a low-level explanation of the underlying methods. This primer has now been compiled and a

  7. The QCD/SM Working Group: Summary Report

    Energy Technology Data Exchange (ETDEWEB)

    M. Dobbs et al.

    2004-08-05

    Among the many physics processes at TeV hadron colliders, we look most eagerly for those that display signs of the Higgs boson or of new physics. We do so however amid an abundance of processes that proceed via Standard Model (SM) and in particular Quantum Chromodynamics (QCD) interactions, and that are interesting in their own right. Good knowledge of these processes is required to help us distinguish the new from the known. Their theoretical and experimental study teaches us at the same time more about QCD/SM dynamics, and thereby enables us to further improve such distinctions. This is important because it is becoming increasingly clear that the success of finding and exploring Higgs boson physics or other New Physics at the Tevatron and LHC will depend significantly on precise understanding of QCD/SM effects for many observables. To improve predictions and deepen the study of QCD/SM signals and backgrounds was therefore the ambition for our QCD/SM working group at this Les Houches workshop. Members of the working group made significant progress towards this on a number of fronts. A variety of tools were further developed, from methods to perform higher order perturbative calculations or various types of resummation, to improvements in the modeling of underlying events and parton showers. Furthermore, various precise studies of important specific processes were conducted. A significant part of the activities in Les Houches revolved around Monte Carlo simulation of collision events. A number of contributions in this report reflect the progress made in this area. At present a large number of Monte Carlo programs exist, each written with a different purpose and employing different techniques. Discussions in Les Houches revealed the need for an accessible primer on Monte Carlo programs, featuring a listing of various codes, each with a short description, but also providing a low-level explanation of the underlying methods. This primer has now been compiled and a

  8. BAA instrument no. 93

    Science.gov (United States)

    Marriott, R. A.

    2006-12-01

    Instrument no. 93 has been in almost continual use for more than a hundred years. Since it left the workshop of its maker, George Calver, it has kept company with several other notable instruments and has been used by many eminent astronomers. It was added to the Association's collection in 1945.

  9. Instrumentation in endourology

    OpenAIRE

    Khanna, Rakesh; Monga,Manoj

    2011-01-01

    Success with endourological procedures requires expertise and instrumentation. This review focuses on the instrumentation required for ureteroscopy and percutaneous nephrolithotomy, and provides a critical assessment of in vitro and clinical studies that have evaluated the comparative effectiveness of these medical devices.

  10. Intraoral Pressure in Ethnic Wind Instruments

    CERN Document Server

    Goss, Clinton F

    2013-01-01

    High intraoral pressure generated when playing some wind instruments has been linked to a variety of health issues. Prior research has focused on Western classical instruments, but no work has been published on ethnic wind instruments. This study measured intraoral pressure when playing six classes of ethnic wind instruments (N = 149): Native American flutes (n = 71) and smaller samples of ethnic duct flutes, reed instruments, reedpipes, overtone whistles, and overtone flutes. Results are presented in the context of a survey of prior studies, providing a composite view of the intraoral pressure requirements of a broad range of wind instruments. Mean intraoral pressure was 8.37 mBar across all ethnic wind instruments and 5.21 +/- 2.16 mBar for Native American flutes. The range of pressure in Native American flutes closely matches pressure reported in other studies for normal speech, and the maximum intraoral pressure, 20.55 mBar, is below the highest subglottal pressure reported in other studies during singing...

  11. INSTRUMENTATION FOR ENVIRONMENTAL MONITORING--Radiation--Vol3Pt1

    Energy Technology Data Exchange (ETDEWEB)

    Authors, Various

    1972-01-02

    A comprehensive survey of instrumentation for environmental monitoring is being carried out by the Lawrence Berkeley Laboratory originally under a grant from the National Science Foundation and now by the Office of Health and Environmental Research of the Department of Energy. Instruments being investigated are those useful for measurements in Air Quality, Water Quality, Radiation, and Biomedicine related to environmental research and monitoring. Consideration is given to instruments and techniques presently in use and to those developed for other purposes but having possible applications to this work. The results of the survey are given as (a) descriptions of the physical and operating characteristics of available instruments, (b) critical comparisons among instrumentation methods, and (c) recommendations of promising methodology and development of new instrumentation. Information is also given regarding the pollutants to be monitored: their characteristics and forms, their sources and pathways, their effects on the ecosystem, and the means of controlling them through process and regulatory controls.

  12. Enhancement of intergranular current density of Sm-based oxypnictide superconductors with Sn addition

    Science.gov (United States)

    Singh, Shiv Jee; Shimoyama, Jun-ichi; Ogino, Hiraku; Yamamoto, Akiyasu; Kishio, Kohji

    2014-08-01

    A series of Sn-added Sm1111 sintered bulks (SmFeAs(O, F) + xSn x = 0-0.8) was synthesized, and the influence of Sn addition on the superconducting properties of SmFeAs(O, F) was studied. The cell volume (V) slightly increases with Sn addition in the lightly F-doped Sm1111 (SmFeAsO0.88F0.12), suggesting a slight reduction of F concentration in the lattice, whereas there is almost no change in V for the optimally F-doped sample (SmFeAsO0.8F0.2). The transition temperature (Tc) of SmFeAsO0.88F0.12 decreased from 50 to 40 K for x = 0.35, with another maximum at x = 0.27 (Tc = 50 K). On the other hand, SmFeAsO0.8F0.2 remained an almost constant Tc ˜ 56 K up to x = 0.8. Microstructural analysis depicts that the impurity phases in SmFeAsO0.8F0.2 were reduced by Sn addition, resulting in an increase in clean and well connected grain boundaries. Remanent magnetization measurements revealed that Sn addition improved the intergrain Jc at 5 K from 1 × 102 to 1.1 × 104 A cm-2 for SmFeAsO0.8F0.2 and from 4 × 103 to 9.7 × 103 A cm-2 for SmFeAsO0.88F0.12. We believe this superior intergrain Jc to be attributable to the strong intergrain coupling due to grain connectivity improved by the Sn addition.

  13. Sheet-like of MoV-SmIII assembly containing [MoV(CN)8]3- and Sm3+ ions as building blocks

    Indian Academy of Sciences (India)

    Shu-Lin Ma; Shi Ren; Yue Ma; Dai-Zheng Liao

    2009-07-01

    The reaction of [Mo(CN)8]3- with Sm3+ and 2,2'-bipyridine (bpy) lead to a sheet-like bimetallic complex, {Sm(H2O)9[Sm2(bpy)2(OH)2.75(NO3)0.25][Mo(CN)8]2} (1) in EtOH/H2O mixture solvent. The complex 1 crystallizes in monoclinic, space group 2/. The structural investigation denotes that the layers interaction with each other by - stacks and hydrogen bonds result in a 3D network, containing Sm(H2O)$^{3+}_{9}$ as guest molecules in the holes. The magnetic behaviour of the complex 1 has been studied.

  14. Influence of Reaction-Induced Phase Decomposition to Dispersion of Samariam Acrylic Acid (Sm (AA)3 ) in Rubber and Shielding Property of Sm(AA) 3/NR Composites

    Institute of Scientific and Technical Information of China (English)

    Liu Li; He Lei; Zhang Wan; Yang Cheng; Liu Yandong; Jin Riguang; Zhang Liqun

    2004-01-01

    According to radiation protection theory, the radiation shielding properties of composites are closely related to dispersion condition of radiation absorbing materials in matrix. The more equably radiation-shielding materials dispersed in the matrix, the better the composites' shielding properties are. Rare earth ions have preferably absorbing ability for radiation due to their special electronic structures. From our early work, we know Sm(AA) 3 has good radiationabsorbing ability and excellent compatibility with polymer matrix. Furthermore, Sm (AA) 3 has double key structures which can in-situ react with polymer matrix in vulcanization process. This in-situ reaction can also help Sm(AA) 3 disperse better in the matrix. Based on these, we studied a new method to prepare Sm( AA)3/NR( nature rubber) composites( NR used as matrix), in which Sm(AA)3 dispersed very equably with tiny particle size. Both sulfur and peroxide exist in the system as crosslinking agent. The vulcanization process occurred at the temperature of 110℃ first and a certain degree crosslinking network formed in this stage, which we called pre-vulcanization process in this paper. In this stage sulfur was used as the crosslinking agent. Then continued the vulcanization process at higher temperature(170℃). The peroxide was used as crosslinking agent in this stage. According to reaction-induced phase decomposition mechanism, we studied the phase decomposition changing mode of Sm(AA) 3 in NR matrix of different crosslinking degrees. We also studied the influence of different degrees of pre-vulcanization to the dispersion condition of Sm (AA) 3 in NR matrix. The crystal-fusion status of both Sm(AA) 3 powder and Sm(AA) 3 in cured rubber were observed by DSC (Differential Scanning Calorimetry) and XRD (X-rays Diffraction). The dispersion condition of Sm(AA) 3 in cured rubber was observed by SEM (Scanning Electron Microscopy) and TEM (Transmission Electron Microscope).The studyresults show different

  15. Optical spectroscopy of Cu{sup +}/Sm{sup 3+}-activated aluminophosphate glasses: Effect of Cu{sup 2+} impurities on the Sm{sup 3+} photoluminescence enhancement

    Energy Technology Data Exchange (ETDEWEB)

    Jiménez, José A., E-mail: jose.jimenez@unf.edu

    2015-02-25

    Highlights: • Optical properties of aluminophosphate glasses containing copper, tin and samarium assessed. • Influence of ionic copper species (Cu{sup +} and Cu{sup 2+}) on Sm{sup 3+} photoluminescence evaluated. • Sm{sup 3+} photoluminescence and emission decay dynamics correlated with Cu{sup 2+} impurities concentration. • Sm{sup 3+} → Cu{sup 2+} energy transfer investigated and discussed in context of applications. - Abstract: Glasses containing Cu{sup +} and Sm{sup 3+} ions are attractive as luminescent materials with potential for various photonic applications. Yet, the limiting effect of the non-luminescent Cu{sup 2+} impurities on the activated glasses remains unexplored. In this work, Cu/Sm-containing aluminophosphate glasses are prepared by a simple melt-quench method utilizing divalent tin as aid for incorporating relatively large quantities of monovalent copper. The influence of resultant ionic copper species (Cu{sup +} and Cu{sup 2+}) on Sm{sup 3+} photoluminescence (PL) is evaluated. Optical absorption spectroscopy is employed for estimating residual Cu{sup 2+} in Cu/Sm-containing glasses via spectrophotometric analysis, aimed for assessing the effect of Cu{sup 2+} impurities on Sm{sup 3+} emission. PL spectroscopy data is consistent with a sensitized Sm{sup 3+} emission due to the presence of Cu{sup +} ions. However, with increasing concentration of copper dopant, the degree of PL enhancement exhibits a decrease which correlates with an increase in Cu{sup 2+} concentration. Moreover, analysis of the Sm{sup 3+} emission decay dynamics shows a strong correlation between the decay rates and residual Cu{sup 2+}. The data indicates that Cu{sup 2+} ions are at the origin of the suppression of the PL enhancement and perform effectively as Sm{sup 3+} emission quenchers. Results imply that for practical applications the Cu{sup 2+} impurities should be minimized if not removed as these will limit device efficiency. Furthermore, the findings suggest a

  16. Human factors aspects of advanced instrumentation in the nuclear industry

    Energy Technology Data Exchange (ETDEWEB)

    Carter, R.J.

    1989-01-01

    An important consideration in regards to the use of advanced instrumentation in the nuclear industry is the interface between the instrumentation system and the human. A survey, oriented towards identifying the human factors aspects of digital instrumentation, was conducted at a number of United States (US) and Canadian nuclear vendors and utilities. Human factors issues, subsumed under the categories of computer-generated displays, controls, organizational support, training, and related topics were identified. 20 refs., 2 tabs.

  17. Importance of fines in smart water enhanced oil recovery (SmW-EOR) for chalk outcrops

    DEFF Research Database (Denmark)

    Chakravarty, Krishna Hara; Fosbøl, Philip Loldrup; Thomsen, Kaj

    2015-01-01

    In SmW-EOR it is generally believed that precipitation of brines must be avoided since it can have a negative impact on the SmW sweep efficiency. But substitution of Mg2+ by Ca2+ on calcite surfaces (a well-accepted phenomenon) can change the brine combination and enhance the possibility of fine ...

  18. Sm proteins specify germ cell fate by facilitating oskar mRNA localization

    Science.gov (United States)

    Gonsalvez, Graydon B.; Rajendra, T. K.; Wen, Ying; Praveen, Kavita; Matera, A. Gregory

    2010-01-01

    Sm and Sm-like proteins are RNA-binding factors found in all three domains of life. Eukaryotic Sm proteins play essential roles in pre-mRNA splicing, forming the cores of spliceosomal small nuclear ribonucleoproteins (snRNPs). Recently, Sm proteins have been implicated in the specification of germ cells. However, a mechanistic understanding of their involvement in germline specification is lacking and a germline-specific RNA target has not been identified. We demonstrate that Drosophila SmB and SmD3 are specific components of the oskar messenger ribonucleoprotein (mRNP), proper localization of which is required for establishing germline fate and embryonic patterning. Importantly, oskar mRNA is delocalized in females harboring a hypomorphic mutation in SmD3, and embryos from mutant mothers are defective in germline specification. We conclude that Sm proteins function to establish the germline in Drosophila, at least in part by mediating oskar mRNA localization. PMID:20570937

  19. Effect of film thickness on magnetic properties of Cr/SmCo/Cr films

    Institute of Scientific and Technical Information of China (English)

    LI Ning; LI Baohe; FENG Chun; LI Minghua; YU Guanghua

    2012-01-01

    Cr/SmCo/Cr films with different SmCo thickness were deposited on glass substrates by magnetron sputtering,followed by an annealing process at 550℃for 20 min.Experimental results showed that the SmCo fihn of 30 nm exhibited two-phase behavior in the demagnetization process,the obvious kink was observed near zero.For the SmCo film of 50 nm,the kink was invisible,and a single phase like behavior was obtained in the demagnetization process.The reversal behavior became consistent in the thicker films.Moreover,the coercivity reduced and the saturated magnetization increased obviously with the increasing thickness.X-ray diffraction results indicated that the average grain size of SmCo5 in the thicker films were almost 30 nm,but the quantity of SmCo5 grains increased with the increasing thickness,which enhanced the intergrain exchange coupling (IEC) of the SmCo5 hard phases.The increase of lEC improved the magnetic properties of SmCo films with increasing thickness.

  20. HIGH-SPIN OCTUPOLE CORRELATIONS IN THE N=86, ND-146 AND SM-148 NUCLEI

    NARCIS (Netherlands)

    LIEDER, RM; BACELAR, JC; SINGH, PP; ALBER, D; BALABANSKI, D; GAST, W; GRAWE, H; HEBBINGHAUS, G; JONGMAN, [No Value; MOREK, T; NOORMAN, RF; RZACAURBAN, T; SCHNARE, H; THOMS, M; ZELL, O; NAZAREWICZ, W

    1991-01-01

    High-spin states in Nd-146 and Sm-148 have been populated using the C-13 + Xe-136 and Ne-22 + Te-130 compound nucleus reactions. Alternating parity bands built on the ground state are observed to spin I = (19) and I = (27) in Nd-146 and Sm-148 respectively. Analysis of the data done in terms of the

  1. Electronic structure and magnetic properties of SmCo7-x Tix

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Electronic structure of SmCo7-xTix alloy has been studied by means of the spin-polarized MS-X( method. It is shown that a few of electrons are transferred to Sm(5d) orbital due to orbital hybridization between Sm and Co atoms. The exchange interaction between 5d-3d electrons is stronger, which is the main reason resulting in the long-range ferromagnetic order between Co and Sm atoms. The Curie temperature of SmCo7-xTix is generally lower than that of pure Co metal, which may be explained by the weaker average of coupling strength between Co sites due to some negative exchange couplings occurring mainly at 2e site. The calculated results for the Sm5Co28Ti6 cluster may lead to a better understanding of why SmCo7-xTix is stable phase. Since the negative interaction of 2e sites weakens and the bonding at EF strengthens with increasing Ti concentration, which result in the decrease in the free energy of the alloy, the stable ferromagnetic order forms inside SmCo7-xTix. Considering the localization of 4f states and 5d moment arising from the orbital hybridization, the calculated moment is 9.47μB per formula unit that is in agreement with experiments.

  2. EPR of Sm{sup 3+} in BaFCl single crystals

    Energy Technology Data Exchange (ETDEWEB)

    Falin, M [Department of Physical Chemistry, University of Geneva, Geneva (Switzerland); Bill, H [Department of Physical Chemistry, University of Geneva, Geneva (Switzerland); Lovy, D [Department of Physical Chemistry, University of Geneva, Geneva (Switzerland)

    2004-03-03

    BaFCl single crystals doped with Sm{sup 3+} ions were studied by using the EPR method. Several types of paramagnetic Sm{sup 3+} centres were found. The parameters of the corresponding spin Hamiltonians were determined. Structural models and ground states of the observed centres are proposed.

  3. Exopolysaccharides play a role in the swarming of the benthic bacterium Pseudoalteromonas sp. SM9913

    Directory of Open Access Journals (Sweden)

    Ang eLiu

    2016-04-01

    Full Text Available Most marine bacteria secrete exopolysaccharide (EPS, which is important for bacterial survival in the marine environment. However, it is still unclear whether the self-secreted EPS is involved in marine bacterial motility. Here we studied the role of EPS in the lateral flagella-driven swarming motility of benthic bacterium Pseudoalteromonas sp. SM9913 (SM9913 by a comparison of wild SM9913 and ΔepsT, an EPS synthesis defective mutant. Reduction of EPS production in ΔepsT did not affect the growth rate or the swimming motility, but significantly decreased the swarming motility on a swarming plate, suggesting that the EPS may play a role in SM9913 swarming. However, the expression and assembly of lateral flagella in ΔepsT were not affected. Instead, ΔepsT had a different swarming behavior from wild SM9913. The swarming of ΔepsT did not have an obvious rapid swarming period, and its rate became much lower than that of wild SM9913 after 35 h incubation. An addition of surfactin or SM9913 EPS on the surface of the swarming plate could rescue the swarming level. These results indicate that the self-secreted EPS is required for the swarming of SM9913. This study widens our understanding of the function of the EPS of benthic bacteria.

  4. Superconductivity in Sm-doped CaFe2As2 single crystals

    Science.gov (United States)

    Dong-Yun, Chen; Bin-Bin, Ruan; Jia, Yu; Qi, Guo; Xiao-Chuan, Wang; Qing-Ge, Mu; Bo-Jin, Pan; Tong, Liu; Gen-Fu, Chen; Zhi-An, Ren

    2016-06-01

    In this article, the Sm-doping single crystals Ca1 - x Sm x Fe2As2 (x = 0 ˜ 0.2) were prepared by the CaAs flux method, and followed by a rapid quenching treatment after the high temperature growth. The samples were characterized by structural, resistive, and magnetic measurements. The successful Sm-substitution was revealed by the reduction of the lattice parameter c, due to the smaller ionic radius of Sm3+ than Ca2+. Superconductivity was observed in all samples with onset T c varying from 27 K to 44 K upon Sm-doping. The coexistence of a collapsed phase transition and the superconducting transition was found for the lower Sm-doping samples. Zero resistivity and substantial superconducting volume fraction only happen in higher Sm-doping crystals with the nominal x > 0.10. The doping dependences of the c-axis length and onset T c were summarized. The high-T c observed in these quenched crystals may be attributed to simultaneous tuning of electron carriers doping and strain effect caused by lattice reduction of Sm-substitution. Project supported by the National Natural Science Foundation of China (Grant No. 11474339), the National Basic Research Program of China (Grant Nos. 2010CB923000 and 2011CBA00100), and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB07020100).

  5. Degeneracy lifting due to thermal fluctuations around the frustration point between anticlinic antiferroelectric SmC(A)* and synclinic ferroelectric SmC*.

    Science.gov (United States)

    Sandhya, K L; Chandani, A D L; Fukuda, Atsuo; Vij, Jagdish K; Emelyanenko, A V; Ishikawa, Ken

    2013-01-01

    In the binary mixture phase diagram of MC881 and MC452, the borderline between anticlinic antiferroelectric SmC(A)(*) and synclinic ferroelectric SmC(*) becomes apparently parallel to the temperature ordinate axis at the critical concentration r(c). The free energy difference between SmC(A)(*) and SmC^{*} is extremely small in a wide temperature range near r(c). In such circumstances, by observing Bragg reflection spectra due to the director helical structure and electric-field-induced birefringence, we have observed the continuous change from SmC(A)(*) to SmC(*) for r/~r(c). These intriguing phenomena have been explained, successfully at least in the high-temperature region, by a thermal equilibrium between the synclinic and anticlinic orderings and the resulting Boltzmann distribution for the ratio between them; the thermal equilibrium is considered to be attained in a nonuniform defect-assisted way through solitary waves moving around dynamically. We have also discussed qualitatively an important role played by the effective long-range interlayer interactions in the low-temperature region.

  6. Sm@C2v(3)-C80: site-hopping motion of endohedral Sm atom and metal-induced effect on redox profile

    Science.gov (United States)

    Xu, Wei; Niu, Ben; Shi, Zujin; Lian, Yongfu; Feng, Lai

    2012-10-01

    A new metallofullerene Sm@C2v(3)-C80 was synthesized and characterized. X-Ray analysis showed that the endohedral Sm atom undergoes a hopping motion between several off-center sites, even at low temperature. In addition, a comparative electrochemical study between Sm@C2v(3)-C80 and Yb@C2v(3)-C80 revealed their different redox potentials, suggesting a metal-induced effect on their redox profiles.A new metallofullerene Sm@C2v(3)-C80 was synthesized and characterized. X-Ray analysis showed that the endohedral Sm atom undergoes a hopping motion between several off-center sites, even at low temperature. In addition, a comparative electrochemical study between Sm@C2v(3)-C80 and Yb@C2v(3)-C80 revealed their different redox potentials, suggesting a metal-induced effect on their redox profiles. CCDC reference number 894168. For crystallographic data in CIF or other electronic format see DOI: 10.1039/c2nr32193a

  7. Exchange coupling between soft magnetic ferrite and hard ferromagnetic Sm2Fe17N3 in ferrite/Sm2Fe17N3 composites

    Directory of Open Access Journals (Sweden)

    N. Imaoka

    2016-05-01

    Full Text Available In our previous work, we succeeded in fabricating ferrite/Sm2Fe17N3 composite magnets from explosive-consolidating Sm2Fe17N3 powders (2μm size which were coated with a continuous iron ferrite layer (50nm thick in an aqueous solution. The magnetization curves had no inflection, which suggests that the soft magnetic ferrite layer is exchange-coupled with the hard ferromagnetic Sm2Fe17N3 particles. In this paper, we provide evidence of exchange coupling in ferrite/Sm2Fe17N3 composites by the following means: 1 measurements of recoil permeability, 2 detailed microstructural observation and 3 calculations of the reduction in remanence due to the introduction of a ferrite layer in the Sm2Fe17N3 magnets. Our ferrite/Sm2Fe17N3 composite magnets are a novel type of spring magnet in which an insulating soft magnetic phase is exchange-coupled with hard magnetic phase.

  8. Exchange coupling between soft magnetic ferrite and hard ferromagnetic Sm2Fe17N3 in ferrite/Sm2Fe17N3 composites

    Science.gov (United States)

    Imaoka, N.; Kakimoto, E.; Takagi, K.; Ozaki, K.; Tada, M.; Nakagawa, T.; Abe, M.

    2016-05-01

    In our previous work, we succeeded in fabricating ferrite/Sm2Fe17N3 composite magnets from explosive-consolidating Sm2Fe17N3 powders (2μm size) which were coated with a continuous iron ferrite layer (50nm thick) in an aqueous solution. The magnetization curves had no inflection, which suggests that the soft magnetic ferrite layer is exchange-coupled with the hard ferromagnetic Sm2Fe17N3 particles. In this paper, we provide evidence of exchange coupling in ferrite/Sm2Fe17N3 composites by the following means: 1) measurements of recoil permeability, 2) detailed microstructural observation and 3) calculations of the reduction in remanence due to the introduction of a ferrite layer in the Sm2Fe17N3 magnets. Our ferrite/Sm2Fe17N3 composite magnets are a novel type of spring magnet in which an insulating soft magnetic phase is exchange-coupled with hard magnetic phase.

  9. SM22α基因与肿瘤的关系研究进展%Research progress on relationship between SM22α gene and tumor

    Institute of Scientific and Technical Information of China (English)

    苏稼航; 马卫霞; 张群成; 伊洪莉; 姜淑娟

    2011-01-01

    SM22α是一种重要的细胞骨架相关蛋白,近年来发现它在细胞转化、分裂、黏附、转移中都发挥了重要作用.研究表明它在乳腺癌、大肠癌、前列腺癌以及非小细胞肺癌等肿瘤中表达均下调甚至消失.由此推测,SM22α是一种新的肿瘤抑制因子,对它的进一步研究将有助于肿瘤的早期诊断.%SM22α is an important cytoskeletal protein. In recent years, it is found that it plays an important role in cell transformation, division, adhesion and metastasis. Studies have shown that SM22α expression decreases in breast cancer, colon cancer, prostate cancer and non-small cell lung cancer. These results show that SM22α may be a new tumor suppressor, and further researches about SM22α will be helpful for the early diagnosis of tumor.

  10. SmShb, the SH2-Containing Adaptor Protein B of Schistosoma mansoni Regulates Venus Kinase Receptor Signaling Pathways

    Science.gov (United States)

    Morel, Marion; Vanderstraete, Mathieu; Cailliau, Katia; Hahnel, Steffen; Grevelding, Christoph G.; Dissous, Colette

    2016-01-01

    Venus kinase receptors (VKRs) are invertebrate receptor tyrosine kinases (RTKs) formed by an extracellular Venus Fly Trap (VFT) ligand binding domain associated via a transmembrane domain with an intracellular tyrosine kinase (TK) domain. Schistosoma mansoni VKRs, SmVKR1 and SmVKR2, are both implicated in reproductive activities of the parasite. In this work, we show that the SH2 domain-containing protein SmShb is a partner of the phosphorylated form of SmVKR1. Expression of these proteins in Xenopus oocytes allowed us to demonstrate that the SH2 domain of SmShb interacts with the phosphotyrosine residue (pY979) located in the juxtamembrane region of SmVKR1. This interaction leads to phosphorylation of SmShb on tyrosines and promotes SmVKR1 signaling towards the JNK pathway. SmShb transcripts are expressed in all parasite stages and they were found in ovary and testes of adult worms, suggesting a possible colocalization of SmShb and SmVKR1 proteins. Silencing of SmShb in adult S. mansoni resulted in an accumulation of mature sperm in testes, indicating a possible role of SmShb in gametogenesis. PMID:27636711

  11. SmShb, the SH2-Containing Adaptor Protein B of Schistosoma mansoni Regulates Venus Kinase Receptor Signaling Pathways.

    Science.gov (United States)

    Morel, Marion; Vanderstraete, Mathieu; Cailliau, Katia; Hahnel, Steffen; Grevelding, Christoph G; Dissous, Colette

    2016-01-01

    Venus kinase receptors (VKRs) are invertebrate receptor tyrosine kinases (RTKs) formed by an extracellular Venus Fly Trap (VFT) ligand binding domain associated via a transmembrane domain with an intracellular tyrosine kinase (TK) domain. Schistosoma mansoni VKRs, SmVKR1 and SmVKR2, are both implicated in reproductive activities of the parasite. In this work, we show that the SH2 domain-containing protein SmShb is a partner of the phosphorylated form of SmVKR1. Expression of these proteins in Xenopus oocytes allowed us to demonstrate that the SH2 domain of SmShb interacts with the phosphotyrosine residue (pY979) located in the juxtamembrane region of SmVKR1. This interaction leads to phosphorylation of SmShb on tyrosines and promotes SmVKR1 signaling towards the JNK pathway. SmShb transcripts are expressed in all parasite stages and they were found in ovary and testes of adult worms, suggesting a possible colocalization of SmShb and SmVKR1 proteins. Silencing of SmShb in adult S. mansoni resulted in an accumulation of mature sperm in testes, indicating a possible role of SmShb in gametogenesis.

  12. Instrumentation reference book

    CERN Document Server

    Boyes, Walt

    2002-01-01

    Instrumentation is not a clearly defined subject, having a 'fuzzy' boundary with a number of other disciplines. Often categorized as either 'techniques' or 'applications' this book addresses the various applications that may be needed with reference to the practical techniques that are available for the instrumentation or measurement of a specific physical quantity or quality. This makes it of direct interest to anyone working in the process, control and instrumentation fields where these measurements are essential.* Comprehensive and authoritative collection of technical information* Writte

  13. Jones' instrument technology

    CERN Document Server

    Jones, Ernest Beachcroft; Kingham, Edward G; Radnai, Rudolf

    1985-01-01

    Jones' Instrument Technology, Volume 5: Automatic Instruments and Measuring Systems deals with general trends in automatic instruments and measuring systems. Specific examples are provided to illustrate the principles of such devices. A brief review of a considerable number of standards is undertaken, with emphasis on the IEC625 Interface System. Other relevant standards are reviewed, including the interface and backplane bus standards. This volume is comprised of seven chapters and begins with a short introduction to the principles of automatic measurements, classification of measuring system

  14. Medical instruments in museums

    DEFF Research Database (Denmark)

    Söderqvist, Thomas; Arnold, Ken

    2011-01-01

    This essay proposes that our understanding of medical instruments might benefit from adding a more forthright concern with their immediate presence to the current historical focus on simply decoding their meanings and context. This approach is applied to the intriguingly tricky question of what...... actually is meant by a "medical instrument." It is suggested that a pragmatic part of the answer might lie simply in reconsidering the holdings of medical museums, where the significance of the physical actuality of instruments comes readily to hand....

  15. Mass spectrometers: instrumentation

    Science.gov (United States)

    Cooks, R. G.; Hoke, S. H., II; Morand, K. L.; Lammert, S. A.

    1992-09-01

    Developments in mass spectrometry instrumentation over the past three years are reviewed. The subject is characterized by an enormous diversity of designs, a high degree of competition between different laboratories working with either different or similar techniques and by extremely rapid progress in improving analytical performance. Instruments can be grouped into genealogical charts based on their physical and conceptual interrelationships. This is illustrated using mass analyzers of different types. The time course of development of particular instrumental concepts is illustrated in terms of the s-curves typical of cell growth. Examples are given of instruments which are at the exponential, linear and mature growth stages. The prime examples used are respectively: (i) hybrid instruments designed to study reactive collisions of ions with surfaces: (ii) the Paul ion trap; and (iii) the triple quadrupole mass spectrometer. In the area of ion/surface collisions, reactive collisions such as hydrogen radical abstraction from the surface by the impinging ion are studied. They are shown to depend upon the chemical nature of the surface through the use of experiments which utilize self-assembled monolayers as surfaces. The internal energy deposited during surface-induced dissociation upon collision with different surfaces in a BEEQ instrument is also discussed. Attention is also given to a second area of emerging instrumentation, namely technology which allows mass spectrometers to be used for on-line monitoring of fluid streams. A summary of recent improvements in the performance of the rapidly developing quadrupole ion trap instrument illustrates this stage of instrument development. Improvements in resolution and mass range and their application to the characterization of biomolecules are described. The interaction of theory with experiment is illustrated through the role of simulations of ion motion in the ion trap. It is emphasized that mature instruments play a

  16. Manual of Surgical Instruments

    Directory of Open Access Journals (Sweden)

    Olga Lidia Sánchez Sarría

    2014-10-01

    Full Text Available Surgical instruments are the group of tools used in surgical procedures. They are very expensive and sophisticated. Consequently, a standardized and meticulous care is essential; they should go through the decontamination, cleaning and sterilization process. These instruments are designed in order to provide surgeons with tools that help them to perform a basic surgical procedure; there are multiple variations and the design depends on their function. This paper aims at showing all surgical instruments that can be used in an operating room during surgery and are not generally included in the medical literature.

  17. Biomedical Sensors and Instruments

    CERN Document Server

    Tagawa, Tatsuo

    2011-01-01

    The living body is a difficult object to measure: accurate measurements of physiological signals require sensors and instruments capable of high specificity and selectivity that do not interfere with the systems under study. As a result, detailed knowledge of sensor and instrument properties is required to be able to select the "best" sensor from one of the many designed to meet these challenges. From the underlying principles to practical applications, this updated edition of Biomedical Sensors and Instruments provides an easy-to-understand introduction to the various kinds of biome

  18. Antimony substitution in SmFeAsO

    Energy Technology Data Exchange (ETDEWEB)

    Schmidt, Daniel; Braun, Hans F. [Universitaet Bayreuth (Germany)

    2015-07-01

    In the iron based compounds structural and magnetic phase transitions can be suppressed by applying external hydrostatic pressure and superconductivity emerges. Beside hydrostatic pressure, it is possible to apply chemical pressure by the substitution of atoms in the compounds with smaller ones. Such a substitution was successful for example in LaFeAs{sub 1-x}P{sub x}O, where the parent compound shows a structural and a spin-density-wave transition and the P doped samples become superconducting. We are interested in the opposite way and substitute the As by the bigger Sb. In literature, the substitution in the La-1111 compounds was possible up to a substitution level of 40 %. With Sm, instead of La, we used a smaller rare-earth metal. We present the results obtained on polycrystalline samples characterized by Xray powder diffraction and resistivity measurements.

  19. An advanced precision analysis of the SM vacuum stability

    Science.gov (United States)

    Bednyakov, A. V.

    2017-09-01

    The talk is devoted to the problem of stability of the Standard Model vacuum. The effective potential for the Higgs field, which can potentialy exhibit additional, deeper minimum, is considered as a convenient tool for addressing the problem. Different methods and approximations used to calculate the potential are considered. Special attention is paid to the renomalization-group approach that allows one to carry out three-loop analysis of the problem. By means of an explicit gauge-independent procedure the absolute stability bounds on the observed Higgs and top-quark masses are derived. The importance of high-order corrections is demonstrated. In addition, potential metastablity of the SM is discussed together with modifications of the analysis due to some New Physics.

  20. An advanced precision analysis of the SM vacuum stability

    CERN Document Server

    Bednyakov, A V

    2016-01-01

    The talk is devoted to the problem of stability of the Standard Model vacuum. The effective potential for the Higgs field, which can potentialy exhibit additional, deeper minimum, is considered as a convenient tool for addressing the problem. Different methods and approximations used to calculate the potential are considered. Special attention is paid to the renomalization-group approach that allows one to carry out three-loop analysis of the problem. By means of an explicit gauge-independent procedure the absolute stability bounds on the observed Higgs and top-quark masses are derived. The importance of high-order corrections is demonstrated. In addition, potential metastablity of the SM is discussed together with modifications of the analysis due to some New Physics.

  1. A note on the preconditioner Pm=(I+Sm)

    Science.gov (United States)

    Kohno, Toshiyuki; Niki, Hiroshi

    2009-03-01

    Kotakemori et al. [H. Kotakemori, K. Harada, M. Morimoto, H. Niki, A comparison theorem for the iterative method with the preconditioner (I+Smax), Journal of Computational and Applied Mathematics 145 (2002) 373-378] have reported that the convergence rate of the iterative method with a preconditioner Pm=(I+Sm) was superior to one of the modified Gauss-Seidel method under the condition. These authors derived a theorem comparing the Gauss-Seidel method with the proposed method. However, through application of a counter example, Wen Li [Wen Li, A note on the preconditioned GaussSeidel (GS) method for linear systems, Journal of Computational and Applied Mathematics 182 (2005) 81-91] pointed out that there exists a special matrix that does not satisfy this comparison theorem. In this note, we analyze the reason why such a to counter example may be produced, and propose a preconditioner to overcome this problem.

  2. Compare of the electronic structures of F- and Ir-doped SmFeAsO

    Science.gov (United States)

    Zhang, Y.; Cheng, C. H.; Chen, Y. L.; Cui, Y. J.; You, W. G.; Zhang, H.; Zhao, Y.

    2010-11-01

    The electronic structures of Fe-based superconductor SmFeAsO1-xFx and SmFe1-yIryAsO are compared through X-ray photoemission spectroscopy in this study. With fluorine or iridium doping, the electronic structure and chemical environment of the SmFeAsO system were changed. The fluorine was doped at an oxygen site which introduced electrons to a reservoir Sm-O layer. The iridium was doped at an Fe site which introduced electrons to a conduction Fe-As layer directly. In a parent material SmFeAsO, the magnetic ordering corresponding to Fe3d in the low-spin state is suppressed by both fluorine and iridium doping through suppressing the magnetism of 3d itinerant electrons. Compared to fluorine doping, iridium doping affected superconductivity more significantly due to an iridium-induced disorder in FeAs layers.

  3. Preparation and photoluminescence properties of Sm3+-doped ZrO2 nanotube arrays

    Science.gov (United States)

    Fu, Ning; Wang, Xixin; Ma, Yuanhui; Wang, Mingli; Li, Jiaxin; Zhao, Jianling

    2016-04-01

    Zr-Sm (3 at.% Sm) alloy was prepared through a powder metallurgical method. Sm3+-doped ZrO2 nanotube arrays have been achieved directly by anodizing the Zr-Sm alloy. The effects of electrolyte and annealing temperature on the morphologies and structures of the nanotube arrays were studied. The photoluminescence properties of Sm3+-doped ZrO2 nanotube arrays prepared in aqueous solution and formamide  +  glycerol solution were studied in detail as well. Results show that tetragonal ZrO2 promoted the photoluminescence efficiency of this system. Under excitation at 407 nm, the sample prepared in aqueous solution annealed at 600 °C displayed the strongest emission peak at 571 nm, corresponding to the 4G5/2  →  6H5/2 samarium transition.

  4. Studies on apoptosis in bone tumor cells induced by 153Sm

    Institute of Scientific and Technical Information of China (English)

    ZHU Shou-Peng; XIAO Dong; HAN Xiao-Feng

    2004-01-01

    The apoptosis in human bone tumor cells induced by internal irradiation with 153Sm was studied. The morphological changes in bone tumor cells were observed by electronic and fluorescent microscopy, as well as DNA agarose gel eletrophoresis. DNA chain fragmentation, microautoradiographic tracing and the inhibition rate of proliferation in bone tumor cells exposed to 153Sm with different duration time were examined. It was demonstrated that the bone tumor cells exposed to 153Sm displayed nuclear fragmentation, pyknosis, margination of condensed chromatin, and formation of membrane bounded apoptotic bodies, whereas the percentage of DNA chain fragmentation of bone tumor cells increases in direct proportion to the duration of irradiation with 153Sm, as well as DNA ladder formation in apoptotic cells. Also a marked inhibition effect of proliferation in bone tumor cells after exposure with 153Sm was observed.

  5. Towards the ultimate SM fit to close in on Higgs physics

    Energy Technology Data Exchange (ETDEWEB)

    Pomarol, Alex [Departament de Física, Universitat Autònoma de Barcelona,08193 Bellaterra, Barcelona (Spain); Riva, Francesco [Institut de Théorie des Phénomènes Physiques, EPFL,1015 Lausanne (Switzerland)

    2014-01-27

    With the discovery of the Higgs at the LHC, experiments have finally addressed all aspects of the Standard Model (SM). At this stage, it is important to understand which windows for beyond the SM (BSM) physics are still open, and which are instead tightly closed. We address this question by parametrizing BSM effects with dimension-six operators and performing a global fit to the SM. We separate operators into different groups constrained at different levels, and provide independent bounds on their Wilson coefficients taking into account only the relevant experiments. Our analysis allows to assert in a model-independent way where BSM effects can appear in Higgs physics. In particular, we show that deviations from the SM in the differential distributions of h→Vf-barf are related to other observables, such as triple gauge-boson couplings, and are then already constrained by present data. On the contrary, BR(h→Zγ) can still hide large deviations from the SM.

  6. Evolution of Sm2Fe17 Alloys during Hydrogenation-Disproportion Process

    Institute of Scientific and Technical Information of China (English)

    Ye Jinwen; Liu Ying; Li Meng; Gao Shengji; Tu Mingjing

    2005-01-01

    The evolution of phase compositions, phase change and microstructure in Sm2Fe17 alloys during hydrogenation-disproportion process were systematically studied with XRD, SEM, EDX methods. Research indicates that HD process of Sm2Fe17 alloys is as follows: Sm2Fe17 alloy absorbs hydrogen first in the atmosphere of hydrogenation with a pressure of 0.1 MPa. Disproportionation begins at T≥500 ℃, then the alloys turn into lots of SmHx and α-Fe phases which are partly in microcrystal or amorphous structures. Along with the increase of temperature, the microcrystal and amorphous structures transformed into crystal structure and this transformation thoroughly completed at 750 ℃. The size of obtained crystal grain is about 20~100 nm. Based on the experimental data, a microstructural transformation model of Sm2Fe17 alloys during hydrogenation-disproportion process was made.

  7. Evidentiation of Paramyosin (Sm-97 as a Modulating Antigen on Granulomatous Hypersensitivity to Schistosoma mansoni Eggs

    Directory of Open Access Journals (Sweden)

    Hirsch Cristine

    1997-01-01

    Full Text Available A Schistosoma mansoni adult worm anionic fraction (PIII has previously been shown to protect mice against challenge infection and to reduce pulmonary and hepatic granulomatous hypersensitivity. Serum from PIII-immunized rabbit was used to screen a lgt11 cDNA library from S. mansoni adult worm in order to identify antigens capable of modulating granulomatous hypersensitivity. We obtained four clones with 400 (Sm-III.11, 900 (Sm-III.16, 1100 (Sm-III.10 and 1300 (Sm-III.12 bp of length. All clone-specific antibodies were able to recognize most of the PIII components. The sequence analysis showed that these clones presented high homology with S. mansoni paramyosin (Sm-97. These findings ascribe a new function to this antigen with an important role in modulation of granulomatous hypersensitivity to S. mansoni eggs

  8. Canadian contributions studies for the WFIRST instruments

    Science.gov (United States)

    Lavigne, J.-F.; Rowlands, N.; Grandmont, F. J.; Lafrenière, D.; Marois, C.; Daigle, O.; Thibault, S.; Schade, D.; Artigau, É.; Brousseau, D.; Maire, J.; Cretot-Richert, G.; Ducharme, M.-È.; Levesque, L. E.; Laurin, D.; Dupuis, J.

    2016-07-01

    WFIRST-AFTA is the NASA's highest ranked astrophysics mission for the next decade that was identified in the New World, New Horizon survey. The mission scientific drivers correspond to some of the deep questions identified in the Canadian LRP2010, and are also of great interest for the Canadian scientists. Given that there is also a great interest in having an international collaboration in this mission, the Canadian Space Agency awarded two contracts to study a Canadian participation in the mission, one related to each instrument. This paper presents a summary of the technical contributions that were considered for a Canadian contribution to the coronagraph and wide field instruments.

  9. The DESI Experiment Part II: Instrument Design

    OpenAIRE

    DESI Collaboration; Aghamousa, Amir; Aguilar, Jessica; Ahlen, Steve; Alam, Shadab; Allen, Lori E.; Prieto, Carlos Allende; Annis, James; Bailey, Stephen; Balland, Christophe; Ballester, Otger; Baltay, Charles; Beaufore, Lucas; Bebek, Chris; Beers, Timothy C.

    2016-01-01

    DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar redshift survey. The DESI instrument is a robotically-actuated, fiber-fed spectrograph capable of taking up to 5,000 simultaneous spectra over a wavelength range from 360 nm to 980 nm. The fibers feed ten three-arm spectrographs with resolution $R= \\lambda/\\Delta...

  10. Challenges in marine instrumentation

    Digital Repository Service at National Institute of Oceanography (India)

    Afzulpurkar, S.; Desa, E.; Joseph, A.; Chakraborty, B.; Nayak, M.R.; Ranade, G.

    . Acoustic and optical instrumentation combined on the same platform would be able to address these problems. For this autonomous vehicles with extremely low power requirements, long term deployment and data transmission capability via satellites after...

  11. UV and EUV Instruments

    CERN Document Server

    Werner, K

    2010-01-01

    We describe telescopes and instruments that were developed and used for astronomical research in the ultraviolet (UV) and extreme ultraviolet (EUV) regions of the electromagnetic spectrum. The wavelength ranges covered by these bands are not uniquely defined. We use the following convention here: The EUV and UV span the regions ~100-912 and 912-3000 Angstroem respectively. The limitation between both ranges is a natural choice, because the hydrogen Lyman absorption edge is located at 912 Angstroem. At smaller wavelengths, astronomical sources are strongly absorbed by the interstellar medium. It also marks a technical limit, because telescopes and instruments are of different design. In the EUV range, the technology is strongly related to that utilized in X-ray astronomy, while in the UV range the instruments in many cases have their roots in optical astronomy. We will, therefore, describe the UV and EUV instruments in appropriate conciseness and refer to the respective chapters of this volume for more technic...

  12. Fiber Optics Instrumentation Development

    Science.gov (United States)

    Chan, Patrick Hon Man; Parker, Allen R., Jr.; Richards, W. Lance

    2010-01-01

    This is a general presentation of fiber optics instrumentation development work being conducted at NASA Dryden for the past 10 years and recent achievements in the field of fiber optics strain sensors.

  13. Instrumentation for Materials Research

    Science.gov (United States)

    Claassen, Richard S.

    1976-01-01

    Discusses how sophisticated instrumentation techniques yield practical results in three typical materials problems: fracture analysis, joining, and compatibility. Describes techniques such as scanning and transmission electron microscopy, and Auger spectroscopy. (MLH)

  14. A Brief Survey of the Team Software ProcessSM (TSPSM)

    Science.gov (United States)

    2011-10-24

    spent more than 20 years in industry as a software engineer, system designer, project leader, and development manager working on control systems...of information if it does not display a currently valid OMB control number. 1. REPORT DATE 24 OCT 2011 2. REPORT TYPE 3. DATES COVERED 00-00...InnerWorkings, Inc. Instituto Tecnologico y de Estudios Superiores de Monterrey Siemens AG SILAC Ingenieria de Software S.A. de C.V

  15. X-ray crystallographic characterization of new soluble endohedral fullerenes utilizing the popular C82 bucky cage. Isolation and structural characterization of Sm@C3v(7)-C82, Sm@C(s)(6)-C82, and Sm@C2(5)-C82.

    Science.gov (United States)

    Yang, Hua; Jin, Hongxiao; Wang, Xinqing; Liu, Ziyang; Yu, Meilan; Zhao, Fukun; Mercado, Brandon Q; Olmstead, Marilyn M; Balch, Alan L

    2012-08-29

    Three isomers of Sm@C(82) that are soluble in organic solvents were obtained from the carbon soot produced by vaporization of hollow carbon rods doped with Sm(2)O(3)/graphite powder in an electric arc. These isomers were numbered as Sm@C(82)(I), Sm@C(82)(II), and Sm@C(82)(III) in order of their elution times from HPLC chromatography on a Buckyprep column with toluene as the eluent. The identities of isomers, Sm@C(82)(I) as Sm@C(s)(6)-C(82), Sm@C(82)(II) as Sm@C(3v)(7)-C(82), and Sm@C(82)(III) as Sm@C(2)(5)-C(82), were determined by single-crystal X-ray diffraction on cocrystals formed with Ni(octaethylporphyrin). For endohedral fullerenes like La@C(82), which have three electrons transferred to the cage to produce the M(3+)@(C(82))(3-) electronic distribution, generally only two soluble isomers (e.g., La@C(2v)(9)-C(82) (major) and La@C(s)(6)-C(82) (minor)) are observed. In contrast, with samarium, which generates the M(2+)@(C(82))(2-) electronic distribution, five soluble isomers of Sm@C(82) have been detected, three in this study, the other two in two related prior studies. The structures of the four Sm@C(82) isomers that are currently established are Sm@C(2)(5)-C(82), Sm@C(s)(6)-C(82), Sm@C(3v)(7)-C(82), and Sm@C(2v)(9)-C(82). All of these isomers obey the isolated pentagon rule (IPR) and are sequentially interconvertable through Stone-Wales transformations.

  16. Safety and feasibility of percutaneous vertebroplasty with radioactive {sup 153}Sm PMMA in an animal model

    Energy Technology Data Exchange (ETDEWEB)

    Lu Jun [Department of Radiotherapy, Xijing Hospital, Fourth Military Medical University, 15 West Changle Road, Xi' an 710032, Shaanxi Province (China); Deng Jinglan, E-mail: dengjinglan@gmail.com [Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, 15 West Changle Road, Xi' an 710032, Shaanxi Province (China); Zhao Haitao [Department of Radiology, Xijing Hospital, Fourth Military Medical University, 15 West Changle Road, Xi' an 710032, Shaanxi Province (China); Shi Mei [Department of Radiotherapy, Xijing Hospital, Fourth Military Medical University, 15 West Changle Road, Xi' an 710032, Shaanxi Province (China); Wang Jing [Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, 15 West Changle Road, Xi' an 710032, Shaanxi Province (China); Zhao Lina [Department of Radiotherapy, Xijing Hospital, Fourth Military Medical University, 15 West Changle Road, Xi' an 710032, Shaanxi Province (China)

    2011-05-15

    Purpose: We investigated the safety and feasibility of the combination of samarium-153-ethylenediamine tetramethylene phosphonate ({sup 153}Sm-EDTMP)-incorporated bone cement (BC) with percutaneous vertebroplasty (PVP) in dogs. Methods and materials: {sup 153}Sm-EDTMP-incorporated BC was prepared by combining solid {sup 153}Sm-EDTMP and polymethylmethacrylate (PMMA) immediately before PVP. It was then injected into the vertebrae of four healthy mongrel dogs (two males and two females) by PVP under CT guidance. Each dog was subjected to five PVP sessions at a {sup 153}Sm-EDTMP dose of 30-70 mCi. The suppressive effect of local injection of {sup 153}Sm-EDTMP on the hematopoietic system was evaluated through counting of peripheral blood cells. Distribution of {sup 153}Sm-EDTMP-incorporated BC and the status of tissues adjacent to injected vertebrae were evaluated with SPECT, CT and MRI. Histopathology was carried out to assess the influence of PVP on the vertebra and adjacent tissues at the microscopic level. Results: PVP was done successfully, and all dogs exhibited normal behavior and stable physical signs after procedures. {sup 153}Sm-EDTMP-incorporated BC was concentrated mainly in target vertebrae, and the peripheral blood cells remained within normal range. The spinal cord and tissues around BC did not exhibit signs of injury even when the dosage of {sup 153}Sm-EDTMP increased from 30 mCi to 70 mCi. Conclusion: A dose lower than 70 mCi of {sup 153}Sm is safe when it was injected into vertebrae. {sup 153}Sm-EDTMP-incorporated BC did not influence the effect of PVP. This means might strengthen anti-tumor activity locally for vertebra with osseous metastasis without damaging adjacent tissues.

  17. Magnetic, transport and electronic properties of SmNi{sub 4}Si compound

    Energy Technology Data Exchange (ETDEWEB)

    Falkowski, M. [Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań (Poland); Physics Department, University of Johannesburg, PO Box 524, Auckland Park 2006 (South Africa); Pugaczowa-Michalska, M., E-mail: maria@ifmpan.poznan.pl [Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań (Poland); Kowalczyk, A. [Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań (Poland)

    2013-11-15

    Highlights: •The experimental results indicate that the SmNi{sub 4}Si compound is ordered ferromagnetically below T{sub C} = 14.9 K. •The magnetization of the SmNi{sub 4}Si in H = 9 T is diminished, which stems from the influence of the crystalline electric field. •The SmNi{sub 4}Si shows a thermomagnetic irreversibility for zero-field-cooling and field-cooling mode. •The large coercive field (H{sub c} = 1 T at T = 4.2 K) is evidence of a large anisotropy of SmNi{sub 4}Si compound. •Results of DFT calculations show, that the SmNi{sub 4}Si has magnetic order with antiparallel spin moments on Sm and Ni atoms. -- Abstract: The polycrystalline sample of SmNi{sub 4}Si was investigated by means of powder X-ray diffraction, magnetic susceptibility, magnetization, electrical resistivity and specific heat measurements. This compound crystallizes in the hexagonal CaCu{sub 5}-type structure (space group P6/mmm) and orders magnetically at T{sub C} = 14.9 K. The magnetization, electrical resistivity and specific heat data indicate that the electronic ground state of the SmNi{sub 4}Si has a ferromagnetic-like character. The magnitude of energy gap in the magnon spectrum calculated from electrical resistivity data revealed the presence of high influence of magnetocrystalline anisotropy effect. Our experimental studies were supported by first-principles calculations employing DFT method together with LSDA + U approach. We explore implication of U parameter for magnetization of SmNi{sub 4}Si. Obtained theoretical result shows that the electronic structure and magnetic properties of SmNi{sub 4}Si for U = 6 eV is closer to our experimental results.

  18. VIRUS instrument collimator assembly

    Science.gov (United States)

    Marshall, Jennifer L.; DePoy, Darren L.; Prochaska, Travis; Allen, Richard D.; Williams, Patrick; Rheault, Jean-Philippe; Li, Ting; Nagasawa, Daniel Q.; Akers, Christopher; Baker, David; Boster, Emily; Campbell, Caitlin; Cook, Erika; Elder, Alison; Gary, Alex; Glover, Joseph; James, Michael; Martin, Emily; Meador, Will; Mondrik, Nicholas; Rodriguez-Patino, Marisela; Villanueva, Steven; Hill, Gary J.; Tuttle, Sarah; Vattiat, Brian; Lee, Hanshin; Chonis, Taylor S.; Dalton, Gavin B.; Tacon, Mike

    2014-07-01

    The Visual Integral-Field Replicable Unit Spectrograph (VIRUS) instrument is a baseline array 150 identical fiber fed optical spectrographs designed to support observations for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX). The collimator subassemblies of the instrument have been assembled in a production line and are now complete. Here we review the design choices and assembly practices used to produce a suite of identical low-cost spectrographs in a timely fashion using primarily unskilled labor.

  19. Modeling of Musical Instruments

    Science.gov (United States)

    Bader, Rolf; Hansen, Uwe

    Signal processing techniques in acoustics address many concerns. Included are such things as wave propagation variables, amplitude considerations, spectral content, wavelength, and phase. Phase is primarily of concern when waves interact with each other, as well as with a medium, and the imposition of boundary conditions leads to normal mode vibrations. Such conditions are prevalent in all musical instruments, and thus relevant signal processing techniques are essential to both understanding and modeling the structure of musical instruments and the sound radiated.

  20. Structure and properties of samarium overlayer and Sm/Rh surface alloy on Rh(1O0)

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    The structure and properties of Sm overlayer and Sm/Rh surface alloy have been investigated with Auger electron spectroscopy (AES), low energy electron diffraction (LEED), X-ray photoelectron spectroscopy (XPS), and temperature programmed desorption spectroscopy (TDS). The growth of Sm on Rh(100) at room temperature (RT) appears following the Stranski-Krastanov growth mode and only the trivalent state Sm is observed from XPS results. Thermal treatment of the Sm film at 900 K leads to the formation of ordered surface alloy which shows the c(5 2 × 2 )R45°and c(2 × 2) LEED patterns. Annealing the Sm film at temperature above 400 K makes the binding energy (B.E.) of Sm 3d5/2 shift to higher energy by 0.7 eV, which indicates charge transfer from Sm to Rh(100) substrate, causing the increase of CO desorption temperature.

  1. Crystallization of the Al-Ni-Sm amorphous alloys; Cristalizacao de ligas amorfas no sistema Al-Ni-Sm

    Energy Technology Data Exchange (ETDEWEB)

    Danez, G.P., E-mail: gabidanez@hotmail.co [Universidade Federal de Sao Carlos (PPG-CEMUFSCar), SP (Brazil). Programa de Pos-Graduacao em Ciencia e Engenharia de Materiais; Aliaga, L.C.R.; Kiminami, C.S.; Bolfarini, C.; Botta, W.J. [Universidade Federal de Sao Carlos (DEMa/UFSCar), SP (Brazil). Dept. de Engenharia de Materiais

    2010-07-01

    Aluminum based amorphous alloys have received special attention due to unique properties such as high mechanical strength, corrosion, ductility and toughness as well as wear resistance. On the other hand, these properties can be improved by controlled crystallization of Al matrix with grain size ranged between 5 to 50 nanometers. The goal of this work was to study the thermal crystallization behavior of Al-Ni-Sm alloys. Compositions with the same topological instability ({lambda} = 0.1) were selected. Alloys were prepared in arc-melting furnace and ribbons were processed by melt-spinning technique. Samples ribbons were submitted to heating in order to induce crystallization, and its structure analyzed by x-ray diffraction. The difference in crystallization behavior is discussed in function of the topological instability due to the variation of the proportion of the transition metal to the rare-earth. (author)

  2. The Survey Questionnaire

    Science.gov (United States)

    Ritter, Lois A. Ed.; Sue, Valerie M., Ed.

    2007-01-01

    Internet-based surveys are still relatively new, and researchers are just beginning to articulate best practices for questionnaire design. Online questionnaire design has generally been guided by the principles applying to other self-administered instruments, such as paper-based questionnaires. Web-based questionnaires, however, have the potential…

  3. Increased Science Instrumentation Funding Strengthens Mars Program

    Science.gov (United States)

    Graham, Lee D.; Graff, T. G.

    2012-01-01

    As the strategic knowledge gaps mature for the exploration of Mars, Mars sample return (MSR), and Phobos/Deimos missions, one approach that becomes more probable involves smaller science instrumentation and integrated science suites. Recent technological advances provide the foundation for a significant evolution of instrumentation; however, the funding support is currently too small to fully utilize these advances. We propose that an increase in funding for instrumentation development occur in the near-term so that these foundational technologies can be applied. These instruments would directly address the significant knowledge gaps for humans to Mars orbit, humans to the Martian surface, and humans to Phobos/ Deimos. They would also address the topics covered by the Decadal Survey and the Mars scientific goals, objectives, investigations and priorities as stated by the MEPAG. We argue that an increase of science instrumentation funding would be of great benefit to the Mars program as well as the potential for human exploration of the Mars system. If the total non-Earth-related planetary science instrumentation budget were increased 100% it would not add an appreciable amount to the overall NASA budget and would provide the real potential for future breakthroughs. If such an approach were implemented in the near-term, NASA would benefit greatly in terms of science knowledge of the Mars, Phobos/Deimos system, exploration risk mitigation, technology development, and public interest.

  4. Plane and geodetic surveying

    CERN Document Server

    Johnson, Aylmer

    2014-01-01

    IntroductionAim And ScopeClassification Of SurveysThe Structure Of This BookGeneral Principles Of SurveyingErrorsRedundancyStiffnessAdjustmentPlanning And Record KeepingPrincipal Surveying ActivitiesEstablishing Control NetworksMappingSetting OutResectioningDeformation MonitoringAngle MeasurementThe Surveyor's CompassThe ClinometerThe Total StationMaking ObservationsChecks On Permanent AdjustmentsDistance MeasurementGeneralTape MeasurementsOptical Methods (Tachymetry)Electromagnetic Distance Measurement (EDM)Ultrasonic MethodsGNSSLevellingTheoryThe InstrumentTechniqueBookingPermanent Adjustmen

  5. Research and Development on a Public Attitude Instrument for Stuttering

    Science.gov (United States)

    St. Louis, Kenneth O.

    2012-01-01

    This paper summarizes research associated with the development of the "Public Opinion Survey of Human Attributes-Stuttering" ("POSHA-S"), a survey instrument designed to provide a worldwide standard measure of public attitudes toward stuttering. Pilot studies with early experimental prototypes of the "POSHA-S" are summarized that relate to…

  6. Research and Development on a Public Attitude Instrument for Stuttering

    Science.gov (United States)

    St. Louis, Kenneth O.

    2012-01-01

    This paper summarizes research associated with the development of the "Public Opinion Survey of Human Attributes-Stuttering" ("POSHA-S"), a survey instrument designed to provide a worldwide standard measure of public attitudes toward stuttering. Pilot studies with early experimental prototypes of the "POSHA-S" are summarized that relate to…

  7. 31 CFR 585.205 - Prohibited exportation and reexportation of goods, technology, or services to the FRY (S&M).

    Science.gov (United States)

    2010-07-01

    ... reexportation of goods, technology, or services to the FRY (S&M). 585.205 Section 585.205 Money and Finance... exportation and reexportation of goods, technology, or services to the FRY (S&M). Except as otherwise....S.-registered vessels or aircraft, may be exported, directly or indirectly, to the FRY (S&M), or...

  8. The keyboard instruments.

    Science.gov (United States)

    Manchester, Ralph A

    2014-06-01

    Now that the field of performing arts medicine has been in existence for over three decades, we are approaching a key point: we should start to see more articles that bring together the data that have been collected from several studies in order to draw more robust conclusions. Review articles and their more structured relative, the meta-analysis, can help to improve our understanding of a particular topic, comparing and synthesizing the results of previous research that has been done on that subject area. One way this could be done would be to review the research that has been carried out on the performance-related problems associated with playing a particular instrument or group of instruments. While I am not going to do that myself, I hope that others will. In this editorial, I will do a very selective review of the playing-related musculoskeletal disorders (PRMDs) associated with one instrument group (the keyboard instruments), focusing on the most played instrument in that group (the piano;).

  9. Lupus autoantibodies recognize the product of an alternative open reading frame of SmB/B'.

    Science.gov (United States)

    Kaufman, K M; Kirby, M Y; McClain, M T; Harley, J B; James, J A

    2001-08-03

    An unusual feature of the gene for the spliceosomal protein SmB/B' is the presence of an unusually long alternative open reading frame (aORF) which could encode 220 amino acids. We cloned and expressed this aORF protein and used immunological assays to determine its antigenicity in patients with systemic lupus. Sera from 10 of 22 (46%) anti-Sm positive lupus patients showed significant binding to the SmB' aORF protein by ELISA while neither the normal controls nor anti-Sm negative lupus patient controls showed significant reactivity. Antigenicity of the SmB' aORF protein was further localized to the C-terminus using a deletion construct. This is the first known example in which the product of an alternative open reading frame acts as an autoantigen in human disease. These results are consistent with the possibility that generation of anti-Sm autoantibodies in a subset of lupus patients is due to abnormal processing and expression of an aORF SmB/B' message, by an as yet unidentified mechanism. Copyright 2001 Academic Press.

  10. First Orange Fluorescence Composite Film Based on Sm-Substituted Tungstophosphate and Its Electrofluorochromic Performance.

    Science.gov (United States)

    Gao, Wenmei; Yu, Tian; Du, Yu; Wang, Ruiqiang; Wu, Lixin; Bi, Lihua

    2016-05-11

    We chose a Sm-containing sandwich-type tungstophosphate K3Cs8[Sm(PW11O39)2]·10H2O (SmPW11) as a molecular dyad, which contains photoluminescence and electrochromism components in a skeletal structure, and investigated its electrofluorochromic performance both in solution and in composite films. First, the electrochemical activity and luminescence property of SmPW11 were studied in different pH solutions to determine the optimal pH solution medium; and then, the electrofluorochromic performance of SmPW11 was investigated under the optimized pH solution medium. Subsequently, the composite films containing SmPW11 were prepared on quartz substrates and conductive ITO substrates through a layer-by-layer (LbL) assembly method, using PDDA and PEI as molecular linkers. Characterization methods of the composite films include UV-vis spectra, fluorescence spectroscopy, cyclic voltammetry (CV), bulk electrolysis with coulometry, chronoamperometry, X-ray photoelectron spectroscopy (XPS), and atomic force microscopy (AFM). Finally, in situ UV-vis and fluorescence spectroelectrochemical systems were used to research electrofluorochromic properties for the composite films under electrochemical modulation. The results indicate that the composite films display not only orange luminescence emission but also reversible orange luminescence switching behaviors manipulated by the redox process of tungstophosphate species PW11 via the energy transfer between the orange luminescence component Sm and electroreduced species of tungstophosphate PW11.

  11. Solid-state synthesis and properties of SmCoO3

    Institute of Scientific and Technical Information of China (English)

    Liu Runru; Xu Dapeng; Li Shuang; Lu Zhe; Xue Yanfeng; Wang Deyong; Su Wenhui

    2006-01-01

    In this paper,perovskite oxide SmCoO3 was prepared by the solid-state reaction method using Co2O3 and Sm2O3 as raw materials.The structure and properties of the samples were investigated by XRD,Raman spectral techniques,and DC measurements and so on.The results of XRD and Raman spectra showed that the mixtures of Co2O3 and Sm2O3 can react to produce a single phase perovskite oxide SmCoO3 around 1353 K.The single-phase SmCoO3 changes from an insulator to a semi-conductor and transition occurs around 470 K.The thermal expansion coefficient (2.17×10-5 K-1) of the single-phase SmCoO3 is approximately equal to that of doped LaGaO3,but much bigger than that of SDC(Ce0.85Sm0.15O2) above 873 K.

  12. Sm/Lsm genes provide a glimpse into the early evolution of the spliceosome.

    Directory of Open Access Journals (Sweden)

    Stella Veretnik

    2009-03-01

    Full Text Available The spliceosome, a sophisticated molecular machine involved in the removal of intervening sequences from the coding sections of eukaryotic genes, appeared and subsequently evolved rapidly during the early stages of eukaryotic evolution. The last eukaryotic common ancestor (LECA had both complex spliceosomal machinery and some spliceosomal introns, yet little is known about the early stages of evolution of the spliceosomal apparatus. The Sm/Lsm family of proteins has been suggested as one of the earliest components of the emerging spliceosome and hence provides a first in-depth glimpse into the evolving spliceosomal apparatus. An analysis of 335 Sm and Sm-like genes from 80 species across all three kingdoms of life reveals two significant observations. First, the eukaryotic Sm/Lsm family underwent two rapid waves of duplication with subsequent divergence resulting in 14 distinct genes. Each wave resulted in a more sophisticated spliceosome, reflecting a possible jump in the complexity of the evolving eukaryotic cell. Second, an unusually high degree of conservation in intron positions is observed within individual orthologous Sm/Lsm genes and between some of the Sm/Lsm paralogs. This suggests that functional spliceosomal introns existed before the emergence of the complete Sm/Lsm family of proteins; hence, spliceosomal machinery with considerably fewer components than today's spliceosome was already functional.

  13. Shape tunable synthesis of Eu- and Sm-doped ZnO microstructures: a morphological evaluation

    Indian Academy of Sciences (India)

    Gautam Sheel Thool; M Arunakumari; Ajaya Kumar Singh; Surya Prakash Singh

    2015-10-01

    Facile and low-cost aqueous chemical bath deposition route has been demonstrated to fabricate Eu- and Sm-doped ZnO microstructures. The effect of Eu and Sm ions on the morphology of the ZnO was investigated. The synthesized doped ZnO microstructures were systematically characterized by field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman and Fourier transform infrared spectra. FESEM images depicted the formation of Eu-doped ZnO microsphere and Sm-doped ZnO microplates. XRD spectra showed single crystalline nature of the undoped ZnO microdisks, whereas Eu- and Sm-doped ZnO exhibited the polycrystalline nature. The presence of Eu and Sm ions in the ZnO matrix was confirmed by XPS. This means that all the Eu ions substituted Zn2+ as Eu2+ into the ZnO matrix, whereas most of Sm ions were being in the trivalent state. This was probably due to the segregation of Sm2O3 species on the surface of ZnO microstructures.

  14. Investigating the efficacy of Bacillus subtilis SM21 on controlling Rhizopus rot in peach fruit.

    Science.gov (United States)

    Wang, Xiaoli; Wang, Jing; Jin, Peng; Zheng, Yonghua

    2013-06-17

    The efficacy of Bacillus subtilis SM21 on controlling Rhizopus rot caused by Rhizopus stolonifer in postharvest peach fruit and the possible mechanisms were investigated. The results indicated B. subtilis SM21 treatment reduced lesion diameter and disease incidence by 37.2% and 26.7% on the 2nd day of inoculation compared with the control. The in vitro test showed significant inhibitory effect of B. subtilis SM21 on mycelial growth of R. stolonifer with an inhibition rate of 48.9%. B. subtilis SM21 treatment significantly enhanced activities of chitinase and β-1,3-glucanase, and promoted accumulation of H2O2. Total phenolic content and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging activity were also increased by this treatment. Transcription of seven defense related genes was much stronger in fruit treated with B. subtilis SM21 or those both treated with B. subtilis SM21 and inoculated with R. stolonifer compared with fruit inoculated with R. stolonifer alone. These results suggest that B. subtilis SM21 can effectively inhibit Rhizopus rot caused by R. stolonifer in postharvest peach fruit, possibly by directly inhibiting growth of the pathogen, and indirectly inducing disease resistance in the fruit.

  15. A review of health-related workplace productivity loss instruments.

    Science.gov (United States)

    Lofland, Jennifer H; Pizzi, Laura; Frick, Kevin D

    2004-01-01

    The objective of this review was to identify health-related workplace productivity loss survey instruments, with particular emphasis on those that capture a metric suitable for direct translation into a monetary figure. A literature search using Medline, HealthSTAR, PsycINFO and Econlit databases between 1966 and 2002, and a telephone-administered survey of business leaders and researchers, were conducted to identify health-related workplace productivity measurement survey instruments. This review was conducted from the societal perspective. Each identified instrument was reviewed for the following: (i). reliability; (ii). content validity; (iii). construct validity; (iv). criterion validity; (v). productivity metric(s); (vi). instrument scoring technique; (vii). suitability for direct translation into a monetary figure; (viii). number of items; (ix). mode(s) of administration; and (x). disease state(s) in which it had been tested. Reliability and validity testing have been performed for 8 of the 11 identified surveys. Of the 11 instruments identified, six captured metrics that are suitable for direct translation into a monetary figure. Of those six, one instrument measured absenteeism, while the other five measured both absenteeism and presenteeism. All of the identified instruments except for one were available as paper, self-administered questionnaires and many were available in languages other than English. This review provides a comprehensive overview of the published, peer-reviewed survey instruments available to measure health-related workplace productivity loss. As the field of productivity measurement matures, tools may be developed that will allow researchers to accurately calculate lost productivity costs when performing cost-effectiveness and cost-benefit analyses. Using data captured by these instruments, society and healthcare decision makers will be able to make better informed decisions concerning the value of the medications, disease management and

  16. Biochemistry Instrumentation Core Technology Center

    Data.gov (United States)

    Federal Laboratory Consortium — The UCLA-DOE Biochemistry Instrumentation Core Facility provides the UCLA biochemistry community with easy access to sophisticated instrumentation for a wide variety...

  17. Heat Flux Instrumentation Laboratory (HFIL)

    Data.gov (United States)

    Federal Laboratory Consortium — Description: The Heat Flux Instrumentation Laboratory is used to develop advanced, flexible, thin film gauge instrumentation for the Air Force Research Laboratory....

  18. ONLINE INSTRUMENTS IN QUANTITATIVE MARKETING RESEARCH

    OpenAIRE

    STOICA, Ivona

    2011-01-01

    The Internet has brought great benefits, revolutionizing the world of marketing instruments used for advertising, bringing new areas such as search engine marketing, online marketing research, is a mediator of diverse individuals gathered in communities where borders no longer matter, and information is immeasurable. The impact of Internet use in marketing research refers to collecting data through online quantitative survey. This paper has its duty to reveal the importance of online cantitat...

  19. Aethalometer™ Instrument Handbook

    Energy Technology Data Exchange (ETDEWEB)

    Sedlacek, Arthur J [Brookhaven National Lab. (BNL), Upton, NY (United States)

    2016-04-01

    The Aethalometer is an instrument that provides a real-time readout of the concentration of “Black” or “Elemental” carbon aerosol particles (BC or E) in an air stream (see Figure 1 and Figure 2). It is a self-contained instrument that measures the rate of change of optical transmission through a spot on a filter where aerosol is being continuously collected and uses the information to calculate the concentration of optically absorbing material in the sampled air stream. The instrument measures the transmitted light intensities through the “sensing” portion of the filter, on which the aerosol spot is being collected, and a “reference” portion of the filter as a check on the stability of the optical source. A mass flowmeter monitors the sample air flow rate. The data from these three measurements is used to determine the mean BC content of the air stream.

  20. 3D Spectroscopic Instrumentation

    CERN Document Server

    Bershady, Matthew A

    2009-01-01

    In this Chapter we review the challenges of, and opportunities for, 3D spectroscopy, and how these have lead to new and different approaches to sampling astronomical information. We describe and categorize existing instruments on 4m and 10m telescopes. Our primary focus is on grating-dispersed spectrographs. We discuss how to optimize dispersive elements, such as VPH gratings, to achieve adequate spectral resolution, high throughput, and efficient data packing to maximize spatial sampling for 3D spectroscopy. We review and compare the various coupling methods that make these spectrographs ``3D,'' including fibers, lenslets, slicers, and filtered multi-slits. We also describe Fabry-Perot and spatial-heterodyne interferometers, pointing out their advantages as field-widened systems relative to conventional, grating-dispersed spectrographs. We explore the parameter space all these instruments sample, highlighting regimes open for exploitation. Present instruments provide a foil for future development. We give an...

  1. Micro mushroom instrumentation system

    Science.gov (United States)

    Davidson, W. F.

    1986-01-01

    An electronics circuit which provides for the recording of instrumentation data on an optical disk is disclosed. The optical disk is formatted in a spiral format instead of concentric tracks. The spiral format allows data to be recorded without the gaps that would be associated with concentric tracks. The instrumentation system provides each channel with a program instrumentation amplifier, a six pole lowpass switched capacitor filter, a sample and hold amplifier, and a digital to analog converter to provide automatic offset capability. Since each channel has its own components, simultaneous samples of every channel can be captured. All of the input signal's channel variables can be captured. All of the input signal's channel variables can be changed under software control without hardware changes. A single board computer is used for a system controller.

  2. ISSUERS OF FINANCIAL INSTRUMENTS

    Directory of Open Access Journals (Sweden)

    Cristian GHEORGHE

    2016-05-01

    Full Text Available The rules laid down by Romanian Capital Market Law and the regulations put in force for its implementation apply to issuers of financial instruments admitted to trading on the regulated market established in Romania. But the issuers remain companies incorporated under Company Law of 1990. Such dual regulations need increased attention in order to observe the legal status of the issuers/companies and financial instruments/shares. Romanian legislator has chosen to implement in Capital Market Law special rules regarding the administration of the issuers of financial instruments, not only rules regarding admitting and maintaining to a regulated market. Thus issuers are, in Romanian Law perspective, special company that should comply special rule regarding board of administration and general shareholders meeting.

  3. Calibration of Geodetic Instruments

    Directory of Open Access Journals (Sweden)

    Marek Bajtala

    2005-06-01

    Full Text Available The problem of metrology and security systems of unification, correctness and standard reproducibilities belong to the preferred requirements of theory and technical practice in geodesy. Requirements on the control and verification of measured instruments and equipments increase and the importance and up-to-date of calibration get into the foreground. Calibration possibilities of length-scales (of electronic rangefinders and angle-scales (of horizontal circles of geodetic instruments. Calibration of electronic rangefinders on the linear comparative baseline in terrain. Primary standard of planar angle – optical traverse and its exploitation for calibration of the horizontal circles of theodolites. The calibration equipment of the Institute of Slovak Metrology in Bratislava. The Calibration process and results from the calibration of horizontal circles of selected geodetic instruments.

  4. Structural and Magnetic Properties of Sm3(Fe,Ti)29 and Sm3(Fe,Ti)29Xy (X=H, N) Compounds

    Institute of Scientific and Technical Information of China (English)

    2000-01-01

    The alloy with nominal composition Sm2(Fe0.94Ti0.06)17 is prepared by arc-melting, hydrogena tion and nitrogenation processes. The Sm2(Fe0.94Ti0.06)17 alloy has a single phase of Sm3(Fe, Ti)29 with the Nd3(Fe, Ti)29-type structure. The corresponding hydride phase with the same phase structure of the parent alloy was formed after a hydrogen decrepitation (HD) process at 300℃. The hydrogenation at 800℃ mainly shows a HDDR process. The HD and nitrogena tion at 500C result in increasing the Curie temperature of the alloy by 72℃ and by 158℃ due to lattice expansions, respectively. The anisotropic and isotropic Sm3(Fe, Ti)29Ny magnets are obtained after HD, HDDR and the consequent nitrogenation, respectively. The optimum magnetic properties of Sm3(Fe, Ti)29Ny powders achieved in the above two processes are: (i) Br=0.82 T, iHc=4.48 kA/cm, (BH)max=54.3 kJ/m3; (ii) Br=0.68 T, iHc=8.14 kA/cm, (BH)max=66.4 kJ/m3.

  5. Virtual Sensor Test Instrumentation

    Science.gov (United States)

    Wang, Roy

    2011-01-01

    Virtual Sensor Test Instrumentation is based on the concept of smart sensor technology for testing with intelligence needed to perform sell-diagnosis of health, and to participate in a hierarchy of health determination at sensor, process, and system levels. A virtual sensor test instrumentation consists of five elements: (1) a common sensor interface, (2) microprocessor, (3) wireless interface, (4) signal conditioning and ADC/DAC (analog-to-digital conversion/ digital-to-analog conversion), and (5) onboard EEPROM (electrically erasable programmable read-only memory) for metadata storage and executable software to create powerful, scalable, reconfigurable, and reliable embedded and distributed test instruments. In order to maximize the efficient data conversion through the smart sensor node, plug-and-play functionality is required to interface with traditional sensors to enhance their identity and capabilities for data processing and communications. Virtual sensor test instrumentation can be accessible wirelessly via a Network Capable Application Processor (NCAP) or a Smart Transducer Interlace Module (STIM) that may be managed under real-time rule engines for mission-critical applications. The transducer senses the physical quantity being measured and converts it into an electrical signal. The signal is fed to an A/D converter, and is ready for use by the processor to execute functional transformation based on the sensor characteristics stored in a Transducer Electronic Data Sheet (TEDS). Virtual sensor test instrumentation is built upon an open-system architecture with standardized protocol modules/stacks to interface with industry standards and commonly used software. One major benefit for deploying the virtual sensor test instrumentation is the ability, through a plug-and-play common interface, to convert raw sensor data in either analog or digital form, to an IEEE 1451 standard-based smart sensor, which has instructions to program sensors for a wide variety of

  6. The DESI Experiment Part II: Instrument Design

    CERN Document Server

    Aghamousa, Amir; Ahlen, Steve; Alam, Shadab; Allen, Lori E; Prieto, Carlos Allende; Annis, James; Bailey, Stephen; Balland, Christophe; Ballester, Otger; Baltay, Charles; Beaufore, Lucas; Bebek, Chris; Beers, Timothy C; Bell, Eric F; Bernal, José Luis; Besuner, Robert; Beutler, Florian; Blake, Chris; Bleuler, Hannes; Blomqvist, Michael; Blum, Robert; Bolton, Adam S; Briceno, Cesar; Buckley-Geer, Elizabeth; Burden, Angela; Burtin, Etienne; Busca, Nicolas G; Cahn, Robert N; Cai, Yan-Chuan; Carlberg, Raymond G; Carton, Pierre-Henri; Casas, Ricard; Castander, Francisco J; Claybaugh, Todd M; Close, Madeline; Coker, Carl T; Cole, Shaun; Cooper, Andrew P; Cousinou, M -C; Crocce, Martin; Cuby, Jean-Gabriel; Cunningham, Daniel P; Davis, Tamara; Dawson, Kyle S; de la Macorra, Axel; De Vicente, Juan; Delubac, Timothée; Derwent, Mark; Dey, Arjun; Dhungana, Govinda; Ding, Zhejie; Duan, Yutong T; Ealet, Anne; Edelstein, Jerry; Eftekharzadeh, Sarah; Eisenstein, Daniel J; Elliott, Ann; Escoffier, Stephanie; Evatt, Matthew; Fagrelius, Parker; Fan, Xiaohui; Fanning, Kevin; Farahi, Arya; Favole, Ginevra; Feng, Yu; Fernandez, Enrique; Findlay, Joseph R; Finkbeiner, Douglas P; Fitzpatrick, Michael J; Flaugher, Brenna; Flender, Samuel; Font-Ribera, Andreu; Forero-Romero, Jaime E; Fosalba, Pablo; Frenk, Carlos S; Fumagalli, Michele; Garcia-Bellido, Juan; Gaztanaga, Enrique; Gershkovich, Irina; Gillet, Denis; Gonzalez-de-Rivera, Guillermo; Gonzalez-Perez, Violeta; Gott, Shelby; Graur, Or; Gutierrez, Gaston; Guy, Julien; Habib, Salman; Heetderks, Henry; Heetderks, Ian; Heitmann, Katrin; Hellwing, Wojciech A; Herrera, David A; Ho, Shirley; Honscheid, Klaus; Huff, Eric; Hutchinson, Timothy A; Huterer, Dragan; Hwang, Ho Seong; Laguna, Joseph Maria Illa; Ishikawa, Yuzo; Jacobs, Dianna; Jeffrey, Niall; Jelinsky, Patrick; Jiang, Linhua; Jimenez, Jorge; Johnson, Jennifer; Joyce, Richard; Jullo, Eric; Juneau, Stephanie; Kama, Sami; Karcher, Armin; Karkar, Sonia; Kehoe, Robert; Kennamer, Noble; Kent, Stephen; Kilbinger, Martin; Kim, Alex G; Kirkby, David; Kisner, Theodore; Kitanidis, Ellie; Kneib, Jean-Paul; Koposov, Sergey; Kovacs, Eve; Kremin, Anthony; Kron, Richard; Kronig, Luzius; Kueter-Young, Andrea; Lacey, Cedric G; Lafever, Robin; Lahav, Ofer; Lambert, Andrew; Landriau, Martin; Lang, Dustin; Name, Publication; Lauer, Tod R; Goff, Jean-Marc Le; Guillou, Laurent Le; Van Suu, Auguste Le; Lee, Jae Hyeon; Lee, Su-Jeong; Leitner, Daniela; Levi, Michael E; L'Huillier, Benjamin; Li, Baojiu; Liang, Ming; Lin, Huan; Linder, Eric; Loebman, Sarah R; Lukić, Zarija; MacCrann, Niall; Magneville, Christophe; Makarem, Laleh; Manera, Marc; Manser, Christopher J; Marshall, Robert; Martini, Paul; Massey, Richard; Matheson, Thomas; McCauley, Jeremy; McDonald, Patrick; McGreer, Ian D; Meisner, Aaron; Metcalfe, Nigel; Miller, Timothy N; Miquel, Ramon; Moustakas, John; Myers, Adam; Naik, Milind; Newman, Jeffrey; Nichol, Robert C; Nicola, Andrina; da Costa, Luiz Nicolati; Niz, Gustavo; Norberg, Peder; Nord, Brian; Norman, Dara; Nugent, Peter; O'Brien, Thomas; Oh, Minji; Olsen, Knut A G; Padilla, Cristobal; Padmanabhan, Hamsa; Padmanabhan, Nikhil; Palanque-Delabrouille, Nathalie; Palmese, Antonella; Pappalardo, Daniel; Park, Changbom; Patej, Anna; Peacock, John A; Peiris, Hiranya V; Percival, Will J; Perruchot, Sandrine; Pieri, Matthew M; Pogge, Richard; Poppett, Claire; Probst, Ronald G; Rabinowitz, David; Ree, Chang Hee; Refregier, Alexandre; Regal, Xavier; Reid, Beth; Reil, Kevin; Rezaie, Mehdi; Rockosi, Connie; Roe, Natalie; Ronayette, Samuel; Roodman, Aaron; Ross, Ashley J; Ross, Nicholas P; Rossi, Graziano; Rozo, Eduardo; Ruhlmann-Kleider, Vanina; Rykoff, Eli; Sabiu, Cristiano; Samushia, Lado; Sanchez, Javier; Schlegel, David J; Schneider, Michael; Schubnell, Michael; Secroun, Aurélia; Seljak, Uros; Seo, Hee-Jong; Serrano, Santiago; Shafieloo, Arman; Shan, Huanyuan; Sholl, Michael J; Shourt, William V; Silber, Joseph H; Silva, David R; Sirk, Martin M; Slosar, Anze; Smith, Alex; Smoot, George; Som, Debopam; Song, Yong-Seon; Sprayberry, David; Staten, Ryan; Stefanik, Andy; Tarle, Gregory; Tie, Suk Sien; Tinker, Jeremy L; Tojeiro, Rita; Valdes, Francisco; Valenzuela, Octavio; Valluri, Monica; Vargas-Magana, Mariana; Verde, Licia; Walker, Alistair R; Wang, Yuting; Weaver, Benjamin A; Weaverdyck, Curtis; Wechsler, Risa; Weinberg, David H; White, Martin; Yang, Qian; Yeche, Christophe; Zhao, Gong-Bo; Zheng, Yi; Zhu, Yaling; Zou, Hu; Zu, Ying

    2016-01-01

    DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar redshift survey. The DESI instrument is a robotically-actuated, fiber-fed spectrograph capable of taking up to 5,000 simultaneous spectra over a wavelength range from 360 nm to 980 nm. The fibers feed ten three-arm spectrographs with resolution $R= \\lambda/\\Delta\\lambda$ between 2000 and 5500, depending on wavelength. The DESI instrument will be used to conduct a five-year survey designed to cover 14,000 deg$^2$. This powerful instrument will be installed at prime focus on the 4-m Mayall telescope in Kitt Peak, Arizona, along with a new optical corrector, which will provide a three-degree diameter field of view. The DESI collaboration will also deliver a spectroscopic pipeline and data management system to reduce and archive all data for eventual public use.

  7. The Dark Energy Spectroscopic Instrument (DESI): Data Systems

    Science.gov (United States)

    Bailey, Stephen; Bolton, Adam S.; Cahn, Robert N.; Dawson, Kyle; Forero Romero, Jaime; Guy, Julien; Kisner, Theodore; Moustakas, John; Nugent, Peter E.; Schlegel, David J.; Stark, Casey; Weaver, Benjamin; DESI Collaboration

    2015-01-01

    We present the design, status, and plans for the data systems of the Dark Energy Spectroscopic Instrument (DESI), a spectroscopic redshift survey of 25 million galaxies, quasars, and stars to be operated at the Kitt Peak National Observatory 4-m Mayall telescope from 2018-2023. DESI will obtain 5000 spectra (3600-9800 Å) per exposure using robotically positioned fibers. DESI data systems include the target selection pipeline, survey planning and operations, the spectroscopic data reduction pipeline, instrument simulations, and data transfer, archive, and distribution. While building on the heritage of previous galaxy redshift surveys, DESI is upgrading all aspects of the algorithms and pipelines to maximize the science reach of the new instrument and survey.

  8. Kiso Supernova Survey (KISS): Survey Strategy

    CERN Document Server

    Morokuma, Tomoki; Tanaka, Masaomi; Mori, Kensho; Matsumoto, Emiko; Kikuchi, Yuki; Shibata, Takumi; Sako, Shigeyuki; Aoki, Tsutomu; Doi, Mamoru; Kobayashi, Naoto; Maehara, Hiroyuki; Matsunaga, Noriyuki; Mito, Hiroyuki; Miyata, Takashi; Nakada, Yoshikazu; Soyano, Takao; Tarusawa, Ken'ichi; Miyazaki, Satoshi; Nakata, Fumiaki; Okada, Norio; Sarugaku, Yuki; Richmond, Michael W; Akitaya, Hiroshi; Aldering, Greg; Arimatsu, Ko; Contreras, Carlos; Horiuchi, Takashi; Hsiao, Eric Y; Itoh, Ryosuke; Iwata, Ikuru; Koji,; Kawabata, S; Kawai, Nobuyuki; Kitagawa, Yutaro; Kokubo, Mitsuru; Kuroda, Daisuke; Paolo,; Mazzali,; Misawa, Toru; Moritani, Yuki; Morrell, Nidia; Okamoto, Rina; Pavlyuk, Nikolay; Phillips, Mark M; Pian, Elena; Sahu, Devendra; Saito, Yoshihiko; Sano, Kei; Stritzinger, Maximilian D; Tachibana, Yutaro; Taddia, Francesco; Takaki, Katsutoshi; Tateuchi, Ken; Tomita, Akihiko; Tsvetkov, Dmitry; Ui, Takahiro; Ukita, Nobuharu; Urata, Yuji; Walker, Emma S; Yoshii, Taketoshi

    2014-01-01

    The Kiso Supernova Survey (KISS) is a high-cadence optical wide-field supernova (SN) survey. The primary goal of the survey is to catch the very early light of a SN, during the shock breakout phase. Detection of SN shock breakouts combined with multi-band photometry obtained with other facilities would provide detailed physical information on the progenitor stars of SNe. The survey is performed using a 2.2x2.2 deg field-of-view instrument on the 1.05-m Kiso Schmidt telescope, the Kiso Wide Field Camera (KWFC). We take a three-minute exposure in g-band once every hour in our survey, reaching magnitude g~20-21. About 100 nights of telescope time per year have been spent on the survey since April 2012. The number of the shock breakout detections is estimated to be of order of 1 during our 3-year project. This paper summarizes the KISS project including the KWFC observing setup, the survey strategy, the data reduction system, and CBET-reported SNe discovered so far by KISS.

  9. Kiso Supernova Survey (KISS): Survey strategy

    Science.gov (United States)

    Morokuma, Tomoki; Tominaga, Nozomu; Tanaka, Masaomi; Mori, Kensho; Matsumoto, Emiko; Kikuchi, Yuki; Shibata, Takumi; Sako, Shigeyuki; Aoki, Tsutomu; Doi, Mamoru; Kobayashi, Naoto; Maehara, Hiroyuki; Matsunaga, Noriyuki; Mito, Hiroyuki; Miyata, Takashi; Nakada, Yoshikazu; Soyano, Takao; Tarusawa, Ken'ichi; Miyazaki, Satoshi; Nakata, Fumiaki; Okada, Norio; Sarugaku, Yuki; Richmond, Michael W.; Akitaya, Hiroshi; Aldering, Greg; Arimatsu, Ko; Contreras, Carlos; Horiuchi, Takashi; Hsiao, Eric Y.; Itoh, Ryosuke; Iwata, Ikuru; Kawabata, Koji S.; Kawai, Nobuyuki; Kitagawa, Yutaro; Kokubo, Mitsuru; Kuroda, Daisuke; Mazzali, Paolo; Misawa, Toru; Moritani, Yuki; Morrell, Nidia; Okamoto, Rina; Pavlyuk, Nikolay; Phillips, Mark M.; Pian, Elena; Sahu, Devendra; Saito, Yoshihiko; Sano, Kei; Stritzinger, Maximilian D.; Tachibana, Yutaro; Taddia, Francesco; Takaki, Katsutoshi; Tateuchi, Ken; Tomita, Akihiko; Tsvetkov, Dmitry; Ui, Takahiro; Ukita, Nobuharu; Urata, Yuji; Walker, Emma S.; Yoshii, Taketoshi

    2014-12-01

    The Kiso Supernova Survey (KISS) is a high-cadence optical wide-field supernova (SN) survey. The primary goal of the survey is to catch the very early light of a SN, during the shock breakout phase. Detection of SN shock breakouts combined with multi-band photometry obtained with other facilities would provide detailed physical information on the progenitor stars of SNe. The survey is performed using a 2.2° × 2.2° field-of-view instrument on the 1.05-m Kiso Schmidt telescope, the Kiso Wide Field Camera (KWFC). We take a 3-min exposure in g-band once every hour in our survey, reaching magnitude g ˜ 20-21. About 100 nights of telescope time per year have been spent on the survey since 2012 April. The number of the shock breakout detections is estimated to be of the order of 1 during our three-year project. This paper summarizes the KISS project including the KWFC observing setup, the survey strategy, the data reduction system, and CBET-reported SNe discovered so far by KISS.

  10. Superconductivity in fluorine and yttrium co-doped SmFeAsO

    Science.gov (United States)

    Lai, K. T.; Kwong, F. L.; Ng, Dickon H. L.

    2012-05-01

    Polycrystalline fluorine and yttrium co-doped SmFeAsO samples are synthesized by solid state sintering and their physical properties are studied. The lattice parameters of the Sm1-yYyFeAsO0.8F0.2 samples decrease with the increasing y due to the smaller Y ions and the stiffness of the Y-O bond. The maximum critical temperature Tc of the samples is at y = 0.05. This may be due to the fact that the strong interaction between Sm and Fe of the Fe-As bond is being re-disturbed by the doped Y ions.

  11. Magnetic properties of undoped and 15%F doped SmFeAsO compounds

    OpenAIRE

    Cimberle, R.; Ferdeghini, C.; Canepa, F.; Ferretti, M; Martinelli, A.; Palenzona, A.; Siri, A. S.; Tropeano, M.

    2008-01-01

    In this paper the magnetic behaviour of SmFeAsO and SmFeAs(O0.85F0.15) samples is presented and discussed. Molar susceptibility of SmFeAsO exhibits a local peak at T around 140K due to the establishment of a long range antiferromagnetic ordering of the Fe moments in Fe-As layers. This feature has already been observed with different techniques, and frequently ascribed to the onset of a Spin Density Wave (SDW). At TN around 6K another peak, which we attribute to the establishment of antiferrom...

  12. Phytochemical analysis of the flower extracts of Rhododendron arboreum Sm. ssp. nilagiricum (Zenker) Tagg

    Institute of Scientific and Technical Information of China (English)

    Kiruba S; Mahesh M; Nisha SR; Miller Paul Z; Jeeva S

    2011-01-01

    Objective: To evaluate the preliminary phytochemical screening of the flower extracts of Rhododendron arboreum (R. arboreum) Sm. ssp. nilagiricum (Zenker) Tagg. Methods: The preliminary phytochemical screening was performed by the standard methods as described by Harborne. Results: The phytochemical analysis carried out on the flowers of R. arboreum Sm. ssp. nilagiricum (Zenker) Tagg showed the presence of phenols, saponins, steroids, tannin, xanthoprotein and coumarin. Conclusions:The present study suggested that the flower extracts of R. arboreum Sm. ssp. nilagiricum (Zenker) Tagg possess significant phytochemical constituents and it can be used as antimicrobial agents against clinically isolated pathogens.

  13. Preliminary phytochemical studies of the leaf extracts of Rhododendron arboreum Sm. ssp. nilagiricum (Zenker) Tagg

    Institute of Scientific and Technical Information of China (English)

    Solomon Kiruba; Mony Mahesh; Zachariah Miller Paul; Solomon Jeeva

    2012-01-01

    Objective: To examine the secondary metabolites present in the leaf extracts of Rhododendron arboreum Sm. ssp. nilagiricum (Zenker) Tagg. Methods: Phytochemical screening of the leaf extract was done to determine the phytochemical constituents in the various solvents studied.Results:nilagiricum (Zenker) Tagg. confirm the existence of secondary metabolites such as phenols, saponins and tannins. Conclusions: The study suggests that the leaf extracts of R. arboreum Sm. ssp. nilagiricum (Zenker) Tagg. can be best utilized in developing bioactive compounds against pathogenic infection. The phytochemical study carried out on the leaf extracts of R. arboreum Sm. ssp.

  14. Ruby and Sm:YAG fluorescence pressure gauges up to 120 GPa and 700 K

    Science.gov (United States)

    Wei, Qingguo; Dubrovinskaia, Natalia; Dubrovinsky, Leonid

    2011-08-01

    Diamond anvil cell (DAC) technique relies on pressure determination based on use of pressure gauges. Fluorescence-based gauges, such as ruby and Sm doped yttrium aluminum garnet (Sm:YAG), are frequently used in the high pressure research. Here we present the results of DAC experiments which allowed extending calibration curves of the fluorescence frequency versus pressure up to 120 GPa at high temperatures up to 700 K for both for ruby and Sm:YAG. Cubic boron nitride was used as the reference gauge.

  15. Human telomerase and Cajal body ribonucleoproteins share a unique specificity of Sm protein association.

    Science.gov (United States)

    Fu, Dragony; Collins, Kathleen

    2006-03-01

    Cajal bodies are nuclear structures that host RNA modification and assembly reactions. Some RNAs transit Cajal bodies, while others must concentrate in Cajal bodies to function. Here we report that at least a subfraction of human telomerase RNA and individual resident Cajal body RNAs is associated with Sm proteins. Surprisingly, of seven Sm proteins assembled into a heteroheptameric ring, only a subset copurifies telomerase and Cajal body ribonucleoproteins. We show that a Cajal body RNA localization motif determines this specificity. These discoveries expand the cellular repertoire of Sm protein assemblies and their involvement in ribonucleoprotein localization and function.

  16. Standard NIM instrumentation system

    CERN Document Server

    1990-01-01

    NIM is a standard modular instrumentation system that is in wide use throughout the world. As the NIM system developed and accommodations were made to a dynamic instrumentation field and a rapidly advancing technology, additions, revisions and clarifications were made. These were incorporated into the standard in the form of addenda and errata. This standard is a revision of the NIM document, AEC Report TID- 20893 (Rev 4) dated July 1974. It includes all the addenda and errata items that were previously issued as well as numerous additional items to make the standard current with modern technology and manufacturing practice.

  17. Animation of MARDI Instrument

    Science.gov (United States)

    2008-01-01

    [figure removed for brevity, see original site] Click on image to view the animation This animation shows a zoom into the Mars Descent Imager (MARDI) instrument onboard NASA's Phoenix Mars Lander. The Phoenix team will soon attempt to use a microphone on the MARDI instrument to capture sounds of Mars. The Phoenix Mission is led by the University of Arizona, Tucson, on behalf of NASA. Project management of the mission is by NASA's Jet Propulsion Laboratory, Pasadena, Calif. Spacecraft development is by Lockheed Martin Space Systems, Denver.

  18. Virtual Reality Musical Instruments

    DEFF Research Database (Denmark)

    Serafin, Stefania; Erkut, Cumhur; Kojs, Juraj

    2016-01-01

    The rapid development and availability of low-cost technologies have created a wide interest in virtual reality. In the field of computer music, the term “virtual musical instruments” has been used for a long time to describe software simulations, extensions of existing musical instruments......, and ways to control them with new interfaces for musical expression. Virtual reality musical instruments (VRMIs) that include a simulated visual component delivered via a head-mounted display or other forms of immersive visualization have not yet received much attention. In this article, we present a field...

  19. Spectroelectrochemical Instrument Measures TOC

    Science.gov (United States)

    Kounaves, Sam

    2011-01-01

    A spectroelectrochemical instrument has been developed for measuring the total organic carbon (TOC) content of an aqueous solution. Measurements of TOC are frequently performed in environmental, clinical, and industrial settings. Until now, techniques for performing such measurements have included, various ly, the use of hazardous reagents, ultraviolet light, or ovens, to promote reactions in which the carbon contents are oxidized. The instrument now being developed is intended to be a safer, more economical means of oxidizing organic carbon and determining the TOC levels of aqueous solutions and for providing a low power/mass unit for use in planetary missions.

  20. [Hardening of dental instruments].

    Science.gov (United States)

    Gerasev, G P

    1981-01-01

    The possibility of prolonging the service life of stomatological instruments by the local hardening of their working parts is discussed. Such hardening should be achieved by using hard and wear-resistant materials. The examples of hardening dental elevators and hard-alloy dental drills are given. New trends in the local hardening of instruments are the treatment of their working parts with laser beams, the application of coating on their surface by the gas-detonation method. The results of research work and trials are presented.

  1. Celadon Figurines Play Instruments

    Institute of Scientific and Technical Information of China (English)

    1995-01-01

    This group of figurines, each 0.15m tall, were unearthed from a Tang Dynasty tomb in Changsha in 1977. Music was very developed in the Tang Dynasty. Colorful musical instruments and dances were popular both among the people and in the palace. These vivid-looking figurines wear pleated skirts with small sleeves and open chest, a style influenced by the non-Han nationalities living in the north and west of China. Some of the musical instruments were brought from the Western Regions. The figurines are playing the xiao (a vertical bamboo flute), the konghou (an

  2. Virtual Reality Musical Instruments

    DEFF Research Database (Denmark)

    Serafin, Stefania; Erkut, Cumhur; Kojs, Juraj

    2016-01-01

    The rapid development and availability of low-cost technologies have created a wide interest in virtual reality. In the field of computer music, the term “virtual musical instruments” has been used for a long time to describe software simulations, extensions of existing musical instruments......, and ways to control them with new interfaces for musical expression. Virtual reality musical instruments (VRMIs) that include a simulated visual component delivered via a head-mounted display or other forms of immersive visualization have not yet received much attention. In this article, we present a field...

  3. RNA interference-mediated repression of SmCPS (copalyldiphosphate synthase) expression in hairy roots of Salvia miltiorrhiza causes a decrease of tanshinones and sheds light on the functional role of SmCPS.

    Science.gov (United States)

    Cheng, Qiqing; Su, Ping; Hu, Yating; He, Yunfei; Gao, Wei; Huang, Luqi

    2014-02-01

    Tanshinones are a group of bioactive abietane-type norditerpenoid quinone compounds in Salvia miltiorrhiza. Copalyldiphosphate synthase of S. miltiorrhiza (SmCPS) is the first key enzyme in tanshinone biosynthesis from the universal diterpene precursor geranylgeranyl diphosphate. Hairy roots of S. miltiorrhiza were transformed with Agrobacterium rhizogenes carrying an RNA interference (RNAi) construct designed to silence SmCPS, and we examined the resulting SmCPS expression and tanshinone accumulation. In SmCPS–RNAi hairy roots, the transcript level of SmCPS was reduced to 26 % while the dihydrotanshinone I and cryptotanshinone levels were decreased by 53 and 38 % compared to those of the vector control hairy roots; tanshinone IIA was not detected. Therefore, the decreased expression of SmCPS caused a decrease in tanshinone levels which verifies that SmCPS is a key enzyme for tanshinone biosynthesis in S. miltiorrhiza.

  4. PHARMACOGNOSTICAL AND PHYTOCHEMICAL STUDIES OF ZINGIBER ZERUMBET (L. SM. RHIZOME

    Directory of Open Access Journals (Sweden)

    Rout Om Prakash

    2011-03-01

    Full Text Available Zingiber zerumbet (L. Sm. is a well known medicinal plant employed to cure various diseases. The Current study provides a detailed summary of pharmacognostical and phytochemical characters of rhizome to give clear standards for identification of the drug. The study revealed the presence of the oil cells in cortex and central cylinder region containing yellow to orange coloured oleo-resin is the main characteristic feature. The presence of globose, ovoid and irregularly rounded starch grains are the distinguishing features and can be used as anatomical markers. Rhizome powder showed some of the characteristic features such as starch grains with a distinct hilum situated at narrow end and parenchymatous cells with characteristically wrinkled wall and prismatic crystals. Preliminary phytochemical analysis of the rhizomes revealed the presence of glycosides, sterols, triterpenes, saponins, tannins, carbohydrates, proteins, amino acids and volatile oils. The present study signifies the use of TLC, HPTLC fingerprint profiles for determining the identity, purity of the drug and also for developing standards.

  5. Allelopathic potential ofnuphar lutea (L.) Sibth. & Sm. (Nymphaeaceae).

    Science.gov (United States)

    Elakovich, S D; Wooten, J W

    1991-04-01

    Aqueous extracts ofNuphar lutea (L.) Sibth. & Sm. leaves (blades plus petioles) and roots plus rhizomes were tested for allelopathic activity using lettuce seedling andLemna minor L. assay systems. The 12.5, 25, 125, and 250 parts per thousand (ppt) treatments of both extracts killed the lettuce seedlings. At 2.5 ppt of extract, radicle growth of lettuce was 29% of the control for leaves and 31% of the control for roots plus rhizomes.Lemna minor frond number was reduced to 34% of the control by the 25 ppt leaf extract and to 43% of the control by the 25 ppt roots plus rhizomes extract.L. minor was killed by concentrations of 125 ppt and above of both plant part extracts. As expected, the frond number and total chlorophyll content measured by theL. minor assay were highly correlated. Osmotic potentials below 143 mOsmol/kg had no influence onL. minor growth. Neither the osmotic potential nor the pH of the undiluted extracts ofN. lutea were in the range known to influence the growth of either lettuce seedlings orL. minor. Nuphar lutea extracts were many times more inhibitory than 16 other hydrophytes we previously examined.

  6. Lu-Hf and Sm-Nd garnet geochronology

    DEFF Research Database (Denmark)

    Smit, Matthijs Arjen; Scherer, Erik E.; Mezger, Klaus

    2013-01-01

    are similar among grains having radii larger than 1.3 mm (weighted mean: 2714±6 Ma2714±6 Ma; 2 s.d.) and up to 20 Myr younger for finer fractions. In contrast, Sm–Nd dates are equal to or younger than the 2641–2637 Ma age of peak metamorphism. The roles of concurrently digested inclusions and core–rim Lu......To investigate the systematics of the 176Lu–176Hf and 147Sm–143Nd garnet chronometers, we performed REE and isotope analyses on garnet crystals of different size (0.55–3.1 mm radius) from a single granulite specimen (Archean Pikwitonei Granulite Domain, Manitoba, Canada). The Lu–Hf dates....../Sm fractionation are quantitatively evaluated and excluded as causes for the observed age heterogeneity. Instead, the isotope dates are interpreted to reflect partial loss of radiogenic 176Hf and 143Nd, and are used to constrain the systematics of the garnet chronometers at high temperature. The data constrain...

  7. Sm2, a paralog of the Trichoderma cerato-platanin elicitor Sm1, is also highly important for plant protection conferred by the fungal-root interaction of Trichoderma with maize.

    Science.gov (United States)

    Gaderer, Romana; Lamdan, Netta L; Frischmann, Alexa; Sulyok, Michael; Krska, Rudolf; Horwitz, Benjamin A; Seidl-Seiboth, Verena

    2015-01-16

    The proteins Sm1 and Sm2 from the biocontrol fungus Trichoderma virens belong to the cerato-platanin protein family. Members of this family are small, secreted proteins that are abundantly produced by filamentous fungi with all types of life-styles. Some species of the fungal genus Trichoderma are considered as biocontrol fungi because they are mycoparasites and are also able to directly interact with plants, thereby stimulating plant defense responses. It was previously shown that the cerato-platanin protein Sm1 from T. virens - and to a lesser extent its homologue Epl1 from Trichoderma atroviride - induce plant defense responses. The plant protection potential of other members of the cerato-platanin protein family in Trichoderma, however, has not yet been investigated. In order to analyze the function of the cerato-platanin protein Sm2, sm1 and sm2 knockout strains were generated and characterized. The effect of the lack of Sm1 and Sm2 in T. virens on inducing systemic resistance in maize seedlings, challenged with the plant pathogen Cochliobolus heterostrophus, was tested. These plant experiments were also performed with T. atroviride epl1 and epl2 knockout strains. In our plant-pathogen system T. virens was a more effective plant protectant than T. atroviride and the results with both Trichoderma species showed concordantly that the level of plant protection was more strongly reduced in plants treated with the sm2/epl2 knockout strains than with sm1/epl1 knockout strains. Although the cerato-platanin genes sm1/epl1 are more abundantly expressed than sm2/epl2 during fungal growth, Sm2/Epl2 are, interestingly, more important than Sm1/Epl1 for the promotion of plant protection conferred by Trichoderma in the maize-C. heterostrophus pathosystem.

  8. Positron annihilation study in SmFeAsO and SmFeAsO0.82F0.18

    Science.gov (United States)

    Hao, Y. P.; Chen, X. L.; Liu, R. H.; Kong, W.; Cheng, B.; Xu, H. X.; Chen, X. H.; Han, R. D.; Weng, H. M.; Du, H. J.; Ye, B. J.

    2010-02-01

    SmFeAsO1-xFx polycrystalline samples were first studied by positron annihilation lifetime spectroscopy and Doppler-broadening spectroscopy, combined with the calculated results of positron lifetime. The experimental results agree well with the calculated positron bulk lifetime in SmFeAsO and SmFeAsF crystals. The temperature dependence of S-parameter shows a remarkable difference between the parent and superconductor. An abrupt jump of S-parameter is detected around 150 K in parent sample, however, two different slopes were shown below and above superconducting transition. The linearity S-T plot determines one-type of defects through the superconducting transition which must play an important role in superconductivity.

  9. Economic Policy Instruments

    DEFF Research Database (Denmark)

    Klemmensen, Børge

    2007-01-01

    Økonomiske instrumenter begrundes med behovet for politiske indgreb, der muliggør internaliseringen af omkostningerne ved de miljøpåvirkninger, produktion and levevis afstedkommer, således at hensyntagen til miljøet bliver en del af virksomheders og husholdningers omkostninger og dermed en tilsky...

  10. The ozone monitoring instrument

    NARCIS (Netherlands)

    Levelt, P.F.; Oord, G.H.J. van den; Dobber, M.R.; Mälkki, A.; Visser, H.; Vries, J. de; Stammes, P.; Lundell, J.O.V.; Saari, H.

    2006-01-01

    The Ozone Monitoring Instrument (OMI) flies on the National Aeronautics and Space Adminsitration's Earth Observing System Aura satellite launched in July 2004. OMI is a ultraviolet/visible (UV/VIS) nadir solar backscatter spectrometer, which provides nearly global coverage in one day with a spatial

  11. Creating a Super Instrument

    DEFF Research Database (Denmark)

    Kallionpää, Maria; Gasselseder, Hans-Peter

    2015-01-01

    Thanks to the development of new technology, musical instruments are no more tied to their existing acoustic or technical limitations as almost all parameters can be augmented or modified in real time. An increasing number of composers, performers, and computer programmers have thus become intere...

  12. Neutron instrumentation for biology

    Energy Technology Data Exchange (ETDEWEB)

    Mason, S.A. [Institut Laue-Langevin, Grenoble (France)

    1994-12-31

    In the October 1994 round of proposals at the ILL, the external biology review sub- committee was asked to allocate neutron beam time to a wide range of experiments, on almost half the total number of scheduled neutron instruments: on 3 diffractometers, on 3 small angle scattering instruments, and on some 6 inelastic scattering spectrometers. In the 3.5 years since the temporary reactor shutdown, the ILL`s management structure has been optimized, budgets and staff have been trimmed, the ILL reactor has been re-built, and many of the instruments up-graded, many powerful (mainly Unix) workstations have been introduced, and the neighboring European Synchrotron Radiation Facility has established itself as the leading synchrotron radiation source and has started its official user program. The ILL reactor remains the world`s most intense dedicated neutron source. In this challenging context, it is of interest to review briefly the park of ILL instruments used to study the structure and energetics of small and large biological systems. A brief summary will be made of each class of experiments actually proposed in the latest ILL proposal round.

  13. Advanced instrumentation and teleoperation

    Energy Technology Data Exchange (ETDEWEB)

    Decreton, M

    1998-07-01

    SCK-CEN's advanced instrumentation and teleoperation project aims at evaluating the potential of a telerobotic approach in a nuclear environment and, in particular, the use of remote-perception systems. Main achievements in 1997 in the areas of R and D on radiation tolerance for remote sensing, optical fibres and optical-fibre sensors, and computer-aided teleoperation are reported.

  14. Economic Policy Instruments

    DEFF Research Database (Denmark)

    Klemmensen, Børge

    2007-01-01

    Økonomiske instrumenter begrundes med behovet for politiske indgreb, der muliggør internaliseringen af omkostningerne ved de miljøpåvirkninger, produktion and levevis afstedkommer, således at hensyntagen til miljøet bliver en del af virksomheders og husholdningers omkostninger og dermed en...

  15. Instrument for assaying radiation

    Energy Technology Data Exchange (ETDEWEB)

    Coleman, Jody Rustyn; Farfan, Eduardo B.

    2016-03-22

    An instrument for assaying radiation includes a flat panel detector having a first side opposed to a second side. A collimated aperture covers at least a portion of the first side of the flat panel detector. At least one of a display screen or a radiation shield may cover at least a portion of the second side of the flat panel detector.

  16. Integrating Nephelometer Instrument Handbook

    Energy Technology Data Exchange (ETDEWEB)

    Uin, J. [Brookhaven National Lab. (BNL), Upton, NY (United States)

    2016-03-01

    The Integrating Nephelometer (Figure 1) is an instrument that measures aerosol light scattering. It measures aerosol optical scattering properties by detecting (with a wide angular integration – from 7 to 170°) the light scattered by the aerosol and subtracting the light scattered by the carrier gas, the instrument walls and the background noise in the detector (zeroing). Zeroing is typically performed for 5 minutes every day at midnight UTC. The scattered light is split into red (700 nm), green (550 nm), and blue (450 nm) wavelengths and captured by three photomultiplier tubes. The instrument can measure total scatter as well as backscatter only (from 90 to 170°) (Heintzenberg and Charlson 1996; Anderson et al. 1996; Anderson and Ogren 1998; TSI 3563 2015) At ARM (Atmospheric Radiation Measurement), two identical Nephelometers are usually run in series with a sample relative humidity (RH) conditioner between them. This is possible because Nephelometer sampling is non-destructive and the sample can be passed on to another instrument. The sample RH conditioner scans through multiple RH values in cycles, treating the sample. This kind of setup allows to study how aerosol particles’ light scattering properties are affected by humidification (Anderson et al. 1996). For historical reasons, the two Nephelometers in this setup are labeled “wet” and “dry”, with the “dry” Nephelometer usually being the one before the conditioner and sampling ambient air (the names are switched for the MAOS measurement site due to the high RH of the ambient air).

  17. Instruments of Transformative Governance

    DEFF Research Database (Denmark)

    Borrás, Susana

    production and distribution channels. PDPs aim at overcoming current market and government failures by pooling resources in the attempt to solve this global social challenge. Thus, PDPs are a case of instruments of transformative research and innovation, operating in a transnational governance context...

  18. The tropospheric monitoring instrument

    NARCIS (Netherlands)

    Voert, M.J. te; Brakel, R. van; Witvoet, G.

    2014-01-01

    Thermal and opto-mechanical design and analysis work has been done on the Tropospheric Monitoring Instrument (TROPOMI), a spectrometer on the Copernicus Sentinel 5 Precursor satellite. To verify compliance with the stringent opto-mechanical stability requirements, detailed thermal and thermo-mechani

  19. Virtual reality musical instruments

    DEFF Research Database (Denmark)

    Serafin, Stefania; Erkut, Cumhur; Kojs, Juraj

    2016-01-01

    The rapid development and availability of low cost technologies has created a wide interest in virtual reality (VR), but how to design and evaluate multisensory interactions in VR remains as a challenge. In this paper, we focus on virtual reality musical instruments, present an overview of our...

  20. The ozone monitoring instrument

    NARCIS (Netherlands)

    Levelt, P.F.; Oord, G.H.J. van den; Dobber, M.R.; Mälkki, A.; Visser, H.; Vries, J. de; Stammes, P.; Lundell, J.O.V.; Saari, H.

    2006-01-01

    The Ozone Monitoring Instrument (OMI) flies on the National Aeronautics and Space Adminsitration's Earth Observing System Aura satellite launched in July 2004. OMI is a ultraviolet/visible (UV/VIS) nadir solar backscatter spectrometer, which provides nearly global coverage in one day with a spatial

  1. Payment Instrument Characteristics

    DEFF Research Database (Denmark)

    Holst, Jacques; Kjeldsen, Martin; Hedman, Jonas

    2015-01-01

    payment innovations. Using the Repertory Grid technique to explore 15 payers’ perception of six payment instruments, including coins, banknotes, debit cards, credit cards, mobile payments, and on-line banking, we identify 16 payment characteristics. The characteristics aggregate seventy-six unique...

  2. Specification for Instrumentation

    DEFF Research Database (Denmark)

    Margheritini, Lucia; Kofoed, Jens Peter

    This paper is intended to give an overview on instrumentation for monitoring the efficiency of the Converter and the performance of the device. Real-time control of plant and data monitoring and storage are the main objectives of the control system....

  3. Depletion of the actin bundling protein SM22/transgelin increases actin dynamics and enhances the tumourigenic phenotypes of cells

    Directory of Open Access Journals (Sweden)

    Thompson Oliver

    2012-01-01

    Full Text Available Abstract Background SM22 has long been studied as an actin-associated protein. Interestingly, levels of SM22 are often reduced in tumour cell lines, while they are increased during senescence possibly indicating a role for SM22 in cell fate decisions via its interaction with actin. In this study we aimed to determine whether reducing levels of SM22 could actively contribute to a tumourigenic phenotype. Results We demonstrate that in REF52 fibroblasts, decreased levels of SM22 disrupt normal actin organization leading to changes in the motile behaviour of cells. Interestingly, SM22 depletion also led to an increase in the capacity of cells to spontaneously form podosomes with a concomitant increase in the ability to invade Matrigel. In PC3 prostate epithelial cancer cells by contrast, where SM22 is undetectable, re-expression of SM22 reduced the ability to invade Matrigel. Furthermore SM22 depleted cells also had reduced levels of reactive oxygen species when under serum starvation stress. Conclusions These findings suggest that depletion of SM22 could contribute to tumourigenic properties of cells. Reduction in SM22 levels would tend to promote cell survival when cells are under stress, such as in a hypoxic tumour environment, and may also contribute to increases in actin dynamics that favour metastatic potential.

  4. Robotic and Survey Telescopes

    Science.gov (United States)

    Woźniak, Przemysław

    Robotic telescopes are revolutionizing the way astronomers collect their dataand conduct sky surveys. This chapter begins with a discussion of principles thatguide the process of designing, constructing, and operating telescopes andobservatories that offer a varying degree of automation, from instruments remotelycontrolled by observers to fully autonomous systems requiring no humansupervision during their normal operations. Emphasis is placed on designtrade-offs involved in building end-to-end systems intended for a wide range ofscience applications. The second part of the chapter contains descriptions ofseveral projects and instruments, both existing and currently under development.It is an attempt to provide a representative selection of actual systems thatillustrates state of the art in technology, as well as important ideas and milestonesin the development of the field. The list of presented instruments spans the fullrange in size starting from small all-sky monitors, through midrange robotic andsurvey telescopes, and finishing with large robotic instruments and surveys.Explosive growth of telescope networking is enabling entirely new modesof interaction between the survey and follow-up observing. Increasingimportance of standardized communication protocols and software is stressed.These developments are driven by the fusion of robotic telescope hardware,massive storage and databases, real-time knowledge extraction, and datacross-correlation on a global scale. The chapter concludes with examplesof major science results enabled by these new technologies and futureprospects.

  5. Manipulation of the magnetic exchange interaction in SmCo films with high thermal stability by controlling phase transformation

    Energy Technology Data Exchange (ETDEWEB)

    Feng, Chun; Li, Ning; Li, Shuai; Huo, Qianming; Li, Minghua; Zhan, Qian; Jiang, Yong; Yu, Guanghua [University of Science and Technology Beijing, Department of Materials Physics and Chemistry, Beijing (China); Li, Baohe H. [Beijing Technology and Business University, Department of Physics, School of Sciences, Beijing (China); Yin, Jinhua [University of Science and Technology Beijing, Department of Physics, Beijing (China)

    2012-01-15

    High thermal stability and tunable magnetic exchange interaction (MEI) in SmCo materials have been the critical problem in applications to magnetic recording media and nanocomposite permanent magnets. We constructed SmCo films with a high thermal stability and tunable MEI by controlling the phase transformation through properly increasing the Sm concentration (20.5-37.7 at.%) and controlling the annealing process. Microstructure studies show that the SmCo{sub 5} phases ensure that the film has a high thermal stability. Moreover, we manipulated the MEI in the film with non-magnetic precipitated SmCo{sub 2} particles in the vicinity of SmCo{sub 5} particles. These results provide a novel way to tune the MEI in SmCo materials while maintaining a high thermal stability. (orig.)

  6. Electrochemical Behaviors of Fe2+ and Sm3+ in Urea-NaBr Low Temperature Melt and Their Inductive Codeposition

    Institute of Scientific and Technical Information of China (English)

    童叶翔; 刘鹏; 刘莉治; 杨绮琴

    2001-01-01

    The cyclic voltammetry, chronopotentiometry and chronoamperometry were used to study the behaviors of Fe2+ on Pt, Cu, Ag and Ti electrodes in urea-NaBr melt at 373 K. Electroreduction of Fe2+ to metallic Fe is irreversible in one step. The exchange current density determined on Ti electrode is 2.68×10-5 A·cm-2. Sm3+ does not reduce to Sm alone, but can be inductively codeposited with Fe2+. Sm-Fe alloy film contained over 90% Sm (mass fraction) can be obtained by potentiostatic electrolysis and galvanostatic electrolysis on Cu substrate. The Sm content in the alloy is related to the cathode potential, current density and the Sm3+/Fe2+ molar ratio. The surface state of the Sm-Fe deposit was studied by scanning electron microscopy.

  7. Improving the luminescence properties of Ba3Eu(PO4)3 by doping Sm3+ as sensitizer

    Science.gov (United States)

    You, Jian-qi; Lu, Wei; Qi, Shuai; Li, Ya-min; Shi, Xian; Tian, Zhi; Wang, Zhi-jun; Zhang, Kun; Pang, Li-bin

    2015-11-01

    For enhancing the emission intensity and broadening the excitation region of Ba3Eu(PO4)3 (BEP), Sm3+ is doped as sensitizer in this paper. BEP:Sm3+ can produce an obvious red emission at near ultraviolet (n-UV) radiation. An effective energy transfer from Sm3+ to Eu3+ is proved. The commission international de I'Eclairage (CIE) chromaticity coordinates of BEP:Sm3+ locate at red region. When the environment temperature is 150 °C, the emission intensity of BEP:0.10Sm3+ is decreased to 76% of the initial one at room temperature, and the activation energy is calculated to be 0.164 eV, which can prove the good thermal stability of BEP:Sm3+. The results indicate that BEP:Sm3+ may have potential applications in white light emitting diodes (LEDs).

  8. Theoretical analysis and numerical calculation of 3D trapped field distribution of single domain SmBCO bulks by Sm+011 TSIG methods

    Science.gov (United States)

    Yang, Wanmin; Yang, Pengtao; Wang, Yanan; Li, Qiang

    2017-09-01

    The lower critical temperature Tc and critical current density Jc are serious weaknesses of SmBCO bulk superconductors fabricated in air for practical applications, because of the Sm3+/Ba2+ solid solution in Sm1+xBa2-xCu3Oy crystals. In this paper, high quality single domain SmBCO bulk samples S1 (ϕ20 mm) and S2 (ϕ32 mm) have been fabricated in air by a new Sm+011 TSIG method. The trapped field of the samples is 0.8 T and 1.15 T at liquid nitrogen temperature for the samples S1 and S2 respectively, which is the strongest trapped field of the SmBCO samples fabricated in air today. The theoretical formula for 3D trapped field distribution have been derived for a cylindrical model with uniformly distributed critical current density Jc based on the Biot Savart law; the cylindrical sample is divided into a series of concentric rings with the same width and thickness, the trapped field of the samples is the summation of magnetic field produced by all the rings, while the magnetic field generated by each ring was worked out by trapezoidal numerical integration based on the Biot Savart law with the critical current density Jc of the samples. It is found that the calculated field of the samples is well in agreement with the experimental results if the reasonable Jc of the samples is adopted. The theoretical calculation result also indicates that the larger the diameter and the thickness of the samples, the stronger the trapped flux density, but the optimal diameter/thickness ratio should be of a reasonable value around one, and it is not so good to fabricated samples with too larger diameter or thickness for practical applications.

  9. The Science of String Instruments

    CERN Document Server

    Rossing, Thomas D

    2010-01-01

    Many performing musicians, as well as instrument builders, are coming to realize the importance of understanding the science of musical instruments. This book explains how string instruments produce sound. It presents basic ideas in simple language, and it also translates some more sophisticated ideas in non-technical language. It should be of interest to performers, researchers, and instrument makers alike.

  10. Laser Ablation in situ (U-Th-Sm)/He and U-Pb Double-Dating of Apatite and Zircon: Techniques and Applications

    Science.gov (United States)

    McInnes, B.; Danišík, M.; Evans, N.; McDonald, B.; Becker, T.; Vermeesch, P.

    2015-12-01

    We present a new laser-based technique for rapid, quantitative and automated in situ microanalysis of U, Th, Sm, Pb and He for applications in geochronology, thermochronometry and geochemistry (Evans et al., 2015). This novel capability permits a detailed interrogation of the time-temperature history of rocks containing apatite, zircon and other accessory phases by providing both (U-Th-Sm)/He and U-Pb ages (+trace element analysis) on single crystals. In situ laser microanalysis offers several advantages over conventional bulk crystal methods in terms of safety, cost, productivity and spatial resolution. We developed and integrated a suite of analytical instruments including a 193 nm ArF excimer laser system (RESOlution M-50A-LR), a quadrupole ICP-MS (Agilent 7700s), an Alphachron helium mass spectrometry system and swappable flow-through and ultra-high vacuum analytical chambers. The analytical protocols include the following steps: mounting/polishing in PFA Teflon using methods similar to those adopted for fission track etching; laser He extraction and analysis using a 2 s ablation at 5 Hz and 2-3 J/cm2fluence; He pit volume measurement using atomic force microscopy, and U-Th-Sm-Pb (plus optional trace element) analysis using traditional laser ablation methods. The major analytical challenges for apatite include the low U, Th and He contents relative to zircon and the elevated common Pb content. On the other hand, apatite typically has less extreme and less complex zoning of parent isotopes (primarily U and Th). A freeware application has been developed for determining (U-Th-Sm)/He ages from the raw analytical data and Iolite software was used for U-Pb age and trace element determination. In situ double-dating has successfully replicated conventional U-Pb and (U-Th)/He age variations in xenocrystic zircon from the diamondiferous Ellendale lamproite pipe, Western Australia and increased zircon analytical throughput by a factor of 50 over conventional methods

  11. Evidence for electromagnetic granularity in polycrystalline Sm1111 iron-pnictides with enhanced phase purity

    Energy Technology Data Exchange (ETDEWEB)

    Yamamoto, A [Department of Applied Chemistry, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan); Jiang, J; Kametani, F; Polyanskii, A; Hellstrom, E; Larbalestier, D [Applied Superconductivity Center, National High Magnetic Field Laboratory, 2031 E. Paul Dirac, Dr., Tallahassee, FL 32310 (United States); Martinelli, A; Palenzona, A; Tropeano, M; Putti, M, E-mail: yamamoto@appchem.t.u-tokyo.ac.jp, E-mail: putti@fisica.unige.it [University of Genova and CNR-SPIN, Via Dodecaneso, 33-I16146 Genova (Italy)

    2011-04-15

    We prepared polycrystalline SmFeAsO{sub 1-x}F{sub x} (Sm1111) bulk samples by sintering and hot isostatic pressing (HIP) in order to study the effects of phase purity and relative density on the intergranular current density. Sintered and HIP processed Sm1111 samples are denser with fewer impurity phases, such as SmOF and the grain boundary wetting phase, FeAs. We found quite complex magnetization behavior due to variations of both the inter and intragranular current densities. Removing porosity and reducing second phase content enhanced the intergranular current density, but HIP processing reduced the intragranular current density, arising from the loss of fluorine and reduction of T{sub c}. We believe that the HIP processed samples are amongst the purest polycrystalline 1111 samples yet made. However, their intergranular current densities are still small, providing further evidence that polycrystalline pnictides, like polycrystalline cuprates, are affected by weak-link problems.

  12. Effects of phosphorous doping on the superconducting properties of SmFeAs(O,F)

    Science.gov (United States)

    Singh, Shiv Jee; Shimoyama, Jun-ichi; Yamamoto, Akiyasu; Ogino, Hiraku; Kishio, Kohji

    2014-09-01

    The systematic doping effect induced by the isovalent substitution of P for As on the superconducting properties of F-doped SmFeAsO0.88F0.12 (Sm1111) has been studied by physical and magnetic measurements. The cell volume (V) decreases with P doping and the anisotropic chemical pressure might be induced. However, the superconducting transition temperature (Tc) and the upper critical field (Hc2) are suppressed. Thermoelectric power (S) indicates the majority of electron type charge carriers in support of Hall measurements and its magnitude does not change very much for different P concentrations. The present investigation depicts that isovalent substitutions in the FeAs layer strongly deteriorate the superconducting properties of Sm1111 as a result of increase in chemical pressure. These isovalent substitution effects are comparatively discussed with hole (Mn) and electron (Ni) type substitutions in the superconducting layer of Sm1111.

  13. The effect of atmosphere composition in plasma nitrogenation of Sm2Fe17

    Science.gov (United States)

    Ardisson, J. D.; Araujo, R. C.; Macedo, W. A. A.; Persiano, A. I. C.; Gama, S.

    2004-05-01

    The change on the structural and magnetic properties of the Sm2Fe17 compound as the ratio of H2/N2 forming the mixture of the atmosphere in a plasma chamber used to nitride this compound varied, was investigated by Mössbauer spectroscopy and X-ray diffraction. Our results show that the increase of the hydrogen concentration in the mixed H2/N2 atmosphere reduces the formation of the nitrogen-rich phases, Sm2Fe17N8 and Sm2Fe17N11 and increases the formation of the Sm2Fe17N3 phase, whose maximum values are obtained for 70% H2 in the gas mixture.

  14. Efficient Debromination of Vicinal (, (-Dibromo Carboxylic Acid Derivatives with the Sm/HOAc System

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    The α, β vicinal dibromo carboxylic acid and its derivatives were debrominated with Sm/HOAc system to afford the corresponding cinnamic acid and its derivatives in good yields under mild conditions.

  15. Influence of Magnetic Annealing on Properties of SmFe Thin Films

    Institute of Scientific and Technical Information of China (English)

    Wang Lei; Du Zhaofu; Zhao Dongliang

    2007-01-01

    SmFe thin films were prepared by DC magnetron sputtering at room temperature and 300 ℃. The influence of magnetic annealing temperature on the phase structure and magnetic properties was investigated. Results showed that thermal sputtering followed by a heat treatment process helped to obtain a structure with a relatively large fraction of SmFe2. Residual phases observed were α-Fe, Sm2O3, and unknown phases. During the annealing treatment, the intrinsic compressive stress in SmFe films was relieved and could become tensile at higher annealing temperatures. The degree of in-plane anisotropy weakened, and furthermore, the anisotropy transformed into out-of-plane anisotropy.

  16. Rb-Sr and Sm-Nd Study of Asuka 881394: Evidence of "Late" Metamorphism

    Science.gov (United States)

    Nyquist, L. E.; Shih, C.-Y.; Reese, Y.; Takeda, H.

    2011-01-01

    The Asuka 881394 achondrite contains fossil Al-26 and Mn-53 [1,2,3] and has a Pb-207/Pb-206 age of 4566.5 plus or minus 0.2 Ma [3], the oldest for an achondrite. Preliminary results showed initial Sm-146/Sm-144 = (7.4 plus or minus 1.2) x 10(exp -3), indicative of an ancient age, but Rb-87 - Sr-87 and Sm-147 - Nd-143 ages of 4370 plus or minus 60 and 4490 plus or minus 20 Ma, resp. [1], were younger than expected from the presence of short-lived nuclides. We revisit the Rb-Sr and Sm-Nd chronology of A881394 in an attempt to establish whether late metamorphism led to inconsistency in its apparent ages.

  17. 2, 84, 30, 993, 560, 15456, 11962, 261485, . . .: higher dimension operators in the SM EFT

    National Research Council Canada - National Science Library

    Henning, Brian; Lu, Xiaochuan; Melia, Tom; Murayama, Hitoshi

    2017-01-01

    .... In the present work, we use this result to study the standard model effective field theory (SM EFT), determining the content and number of higher dimension operators up to dimension 12, for an arbitrary number of fermion generations...

  18. [Solid phase coordination synthesis and characterization of polymimide and Sm ion-under microwave radiation].

    Science.gov (United States)

    Lu, Jian-mei; Dai, Wei-quan; Ji, Shun-jun; Wang, Li-hua; Zhu, Xiu-lin

    2002-12-01

    Solid phase coordination reaction of Sm3+ and the resultant of the imidization of polycondensor of polycondensation and imidization of benzoguanamine(BGA) and 2, 4-tolylenediisocyanate (TDI) and pyromellitic dianhydride (PMIDA) under microwave irradiation were synthesized and studied. The effect of microwave irradiation time (power), the composition of reactants and the reaction temperature on the yield and Sm content in complexes were studied. The complex was determined by Fourier transform infrared absorption (FTIR), Fourier transform Roman spectrum (FTRS), scanning electric minor (SEM), 13C solid state nuclear magnetic resonance spectrometry and X-ray powder diffraction. The fluorescence intensity was measured by fluorescent emission spectrum and compared with thermal coordination. The magnetic susceptibilities were measured by magnetic curve. The results showed that the complex had not characteristic fluorescence of Sm3+, which illustrated that the first excitation level of Sm3+ and polymer could not match at all. But the complex showed good magnetic property of the ion.

  19. Updated NLL Results for $B \\to (Xs,Xd) \\gamma$ in and beyond the SM

    CERN Document Server

    Hurth, Tobias; Porod, Werner

    2004-01-01

    We present general model-independent formulae for the branching ratios and the direct tagged CP asymmetries for the inclusive B -> Xd gamma and B -> Xs gamma modes. We also update the corresponding SM predictions.

  20. Fabrication and Characterization of SmCo5/Fe65Co35 and SmCo5/Fe Composite Spring Exchange Magnets

    Institute of Scientific and Technical Information of China (English)

    F. Shahzad; S. A. Siddiqi; J. Zhou

    2008-01-01

    SmCo,5/Fe,65 Co,35 and SmCo,5/Fe spring exchange magnets are fabricated by dc magnetron sputtering on MgO substrates and 100-nm-thick Si,3N,4 membranes, respectively. The base pressure of sputtering chamber is kept below 10-7 Torr, and Ar pressure is 3 to 8 mTorr. The samples are characterized by an x-ray diffractometer, a superconducting quantum interference magnetometer, and high resolution magnetic soft x-ray microscopy. We obtain the complete exchange coupling and single phase behaviour of composite magnets. The (BH) max value achieved is 28.8 MGOe.