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Mostrando 41 - 60 Resultados de 895 Para Buscar '"NIST"', tiempo de consulta: 0.21s Limitar resultados
  1. 41
    por Fitzgerald, Ryan
    Publicado 2012
    “…For over 30 years scientists in the NIST radioactivity group have been using their pressurized ionization chamber “A” (PIC “A”) to make measurements of radioactivity and radioactive half-lives. …”
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    NIST Ionization Chamber “A” Sample-Height Corrections
  2. 42
    por Fick, Steven E.
    Publicado 2008
    “…Of the systems that had been ordered with some calibration points in common, three were returned more than once to NIST for recalibration. Another system retained at NIST has been recalibrated periodically since 1984. …”
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    Long-Term Stability of the NIST Standard Ultrasonic Source
  3. 43
    por Tsai, Benjamin K.
    Publicado 2006
    “…Using a TFTC wafer for calibration, the LPRT can measure the wafer temperature in the NIST RTP Test Bed with an uncertainty of 2.3 °C. …”
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    A Summary of Lightpipe Radiation Thermometry Research at NIST
  4. 44
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    Smart Electronic Laboratory Notebooks for the NIST Research Environment
  5. 45
    “…The expanded uncertainty of a typical NIST high-power laser detector calibration including nonlinearity characterization is about 1.3 %.…”
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    Nonlinearity Measurements of High-Power Laser Detectors at NIST
  6. 46
    por Santoro, A.
    Publicado 2001
    “…Neutron diffraction at NBS/NIST started soon after the NBS reactor became operational in the summer of 1969. …”
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    Past and Present Crystallographic Work at the NBS/NIST Reactor
  7. 47
    por Stutzman, Paul
    Publicado 2001
    “…For more than 100 years, the primary theme underlying the NBS/NIST staff contribution to the crystallography of building materials has been the development of an improved understanding of concrete materials performance. …”
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    Contributions of NIST/NBS Researchers to the Crystallography of Construction Materials
  8. 48
    por Toby, B. H.
    Publicado 2001
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    Investigations of Zeolitic Materials at the NIST Center for Neutron Research
  9. 49
    “…This report examines the results of the ball plate round robin administered by NIST. The round robin was part of an effort to assess the current state of industry practices for measurements made using coordinate measuring machines. …”
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    Results of the NIST National Ball Plate Round Robin
  10. 50
    “…The Cold Neutron Depth Profiling (CNDP) instrument at the NIST Cold Neutron Research Facility (CNRF) is now operational. …”
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    Neutron Depth Profiling: Overview and Description of NIST Facilities
  11. 51
    “…A brief overview of recent superconductivity research at NIST is presented. Emphasis is placed on the new high-temperature oxide superconductors, though mention is made of important work on low-temperature superconductors, and a few historical notes are included. …”
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    A Brief Review of Recent Superconductivity Research at NIST
  12. 52
    por Anderson, William E.
    Publicado 1989
    “…The National Institute of Standards and Technology (NIST) calibration service for voltage transformers and high-voltage capacitors is described. …”
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    Calibration of Voltage Transformers and High- Voltage Capacitors at NIST
  13. 53
    por Taylor, Sheryl L., Snelick, Robert
    Publicado 2017
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    NIST Syndromic Surveillance Test Suite 2015 Edition
  14. 54
    “…In summary, this study highlights the pivotal role of NisB for NisT in the secretion process.…”
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    Impact of the nisin modification machinery on the transport kinetics of NisT
  15. 55
    por Mulholland, G. W.
    Publicado 2005
    “…The uncertainties of the mean diameters of the nominal 1.0 µm SRM(®) 1690 polystyrene spheres and of the nominal 0.3 µm SRM(®) 1691 polystyrene spheres are recomputed using the current NIST Guidelines for computing uncertainty. The revised expanded uncertainty (approximately 95 % confidence level) for SRM(®) 1690 polystyrene spheres is equal to 0.005 µm compared to previous value of 0.008 µm. …”
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    Re-Analysis of the Uncertainty of the 0.895 µm Diameter (NIST SRM(®) 1690) and the 0.269 µm Diameter (NIST SRM(®) 1691) Sphere Standards
  16. 56
    Publicado 2014
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    Introduction to Special NIST Journal of Research Issue on Additive Manufacturing
  17. 57
    “…The fruits of these efforts are disseminated through the NIST Sandard Reference Data Program [1] as the Clathrate Hydrate Physical Property Database (SRD #156). …”
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    NIST Gas Hydrate Research Database and Web Dissemination Channel
  18. 58
    “…We describe the results of a comparison of reference standards between the National Institute of Standards and Technology (NIST-USA) and National Institute of Metrology (NIM-China). …”
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    Optical Fiber Power Meter Comparison Between NIST and NIM
  19. 59
    “…We describe the results of a comparison of reference standards between the National Institute of Standards and Technology (NIST-USA) and Korea Research Institute of Standards and Science (KRISS-R.O. …”
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    Optical-Fiber Power Meter Comparison between NIST and KRISS
  20. 60
    “…We describe the results of a comparison of reference standards between the National Institute of Standards and Technology (NIST-USA) and Centro Nacional De Metrología (CENAM-Mexico). …”
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    Bilateral Optical Power Meter Comparison Between NIST and CENAM
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