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Mostrando 361 - 380 Resultados de 895 Para Buscar '"NIST"', tiempo de consulta: 0.11s Limitar resultados
  1. 361
    por Lucas, L., Pibida, L.
    Publicado 2009
    “…The National Institute of Standards and Technology (NIST) has developed new gamma-ray and neutron emitting sources for testing radiation detection systems. …”
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    New Spherical Gamma-Ray and Neutron Emitting Sources for Testing of Radiation Detection Instruments
  2. 362
    “…To demonstrate the use of the bottom-up approach, the overall combined uncertainty is estimated for the National Institute of Standards and Technology (NIST) candidate reference measurement procedure for albumin in human urine. …”
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    Estimation of measurement uncertainty for the quantification of protein by ID-LC–MS/MS
  3. 363
    “…OBJECTIVE: Temperature controlled T(1) and T(2) relaxation times are measured on NiCl(2) and MnCl(2) solutions from the ISMRM/NIST system phantom at low magnetic field strengths of 6.5 mT, 64 mT and 550 mT. …”
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    Relaxation measurements of an MRI system phantom at low magnetic field strengths
  4. 364
    “…First, a 12 Gbits/s PRB signal was obtained for each tooth channel with proper post-processing and passed the NIST Special Publication 800-22 statistical tests. …”
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    Massive and parallel 10 Tbit/s physical random bit generation with chaotic microcomb
  5. 365
    por Schmuck, B. D., Carey, C. M.
    Publicado 2010
    “…The x-ray sensitive film specified in the last J Res NIST publication on the subject is no longer commercially available. …”
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    Improved Contact X-Ray Microradiographic Method to Measure Mineral Density of Hard Dental Tissues
  6. 366
    “…Interpretation on mass spectrum of GC/MS was done using the NIST/EPA/NIH Mass Spectral Database, with NIST MS search program v.2.0g. …”
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    Chemometric Profile of Root Extracts of Rhodiola imbricata Edgew. with Hyphenated Gas Chromatography Mass Spectrometric Technique
  7. 367
    “…The dissemination of the temperature scale using radiation thermometry from NIST to the customer is achieved by calibration of blackbody sources, tungsten-strip lamps, and pyrometers. …”
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    Online Artículo Texto
    The Kelvin and Temperature Measurements
  8. 368
    “…Eight compounds were in accordance to NIST reference concentrations. Differences in intercept were found for two compounds whereas slope differed for six compounds between our method and that used in the Danish facility. …”
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    Development and Interlaboratory Validation of Two Fast UPLC–MS-MS Methods Determining Urinary Bisphenols, Parabens and Phthalates
  9. 369
    “…We compared the T(1) measurements from inversion recovery and variable flip angle scans to ISMRM/NIST phantom reference values using Analysis of Variance (ANOVA) to test for statistical differences between T(1) measurements grouped according to MRI scanner manufacturers and/or static field strengths. …”
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    Multi-site, multi-platform comparison of MRI T(1) measurement using the system phantom
  10. 370
    “…Significantly, the resulting random bit streams successfully pass all randomness test suites including NIST, TestU01, and DIEHARDER. Even after 10,000 times cyclic stretching or bending tests, or during temperature shock (−25–80 °C), the bionic TRNG still reveals robust mechanical reliability and thermal stability. …”
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    A flexible and stretchable bionic true random number generator
  11. 371
    “…The book supports and complements NIST’s REFPROP - an interactive database and tool for the calculation of thermodynamic properties of cryogenic fluids.…”
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    Thermodynamic properties of cryogenic fluids
  12. 372
    por Goldman, A. J.
    Publicado 2006
    “…The present paper offers to non-specialists a sketch of that field and its evolution, with emphasis on areas most closely related to Witzgall’s research at NBS/NIST.…”
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    Optimal Facility-Location
  13. 373
    por Kaduk, James A.
    Publicado 1996
    “…The creation and use of fully-relational versions of the Powder Diffraction File and NIST Crystal Data are described.…”
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    Conventional and Eccentric Uses of Crystallographic Databases in Practical Materials Identification Problems
  14. 374
    “…Two key techniques have been studied at NIST which include the Fixed Length Optical Cavity (FLOC) and the Variable Length Optical Cavity (VLOC). …”
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    Towards Photonic based Pascal Realization as a Primary Pressure Standard
  15. 375
    “…Evaluating information access tasks, including textual and multimedia search, question answering, and understanding has been the core mission of NIST's Retrieval Group since 1989. The TRECVID Evaluations of Multimedia Access began in 2001 with a goal of driving content-based search technology for multimedia just as its progenitor, the Text Retrieval Conference (TREC) did for text and web.…”
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    Evaluating Multimedia and Language Tasks
  16. 376
    “…In this book, a detailed presentation of the methodology principles and system architecture is followed by a series of experiments, where the proposed system is compared to other MT systems using a set of established metrics including BLEU, NIST, Meteor and TER. Additionally, a free-to-use code is available, that allows the creation of new MT systems. …”
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    Machine translation with minimal reliance on parallel resources
  17. 377
    por Lombardi, Michael A, Nelson, Glenn K
    Publicado 2014
    “…In commemoration of its 50th anniversary of broadcasting from Fort Collins, Colorado, this paper provides a history of the National Institute of Standards and Technology (NIST) radio station WWVB. The narrative describes the evolution of the station, from its origins as a source of standard frequency, to its current role as the source of time-of-day synchronization for many millions of radio controlled clocks.…”
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    WWVB: A Half Century of Delivering Accurate Frequency and Time by Radio
  18. 378
    “…NIST ended its Geostationary Operational Environmental Satellites (GOES) time code service at 0 hours, 0 minutes Coordinated Universal Time (UTC) on January 1, 2005. …”
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    The GOES Time Code Service, 1974–2004: A Retrospective
  19. 379
    “…In this paper, a short review of some of the work on neutron reflectivity and grazing-angle diffraction as well as a description of the current and planned neutron rcflectometers at NIST is presented. Specific examples of the characterization of magnetic, superconducting, and polymeric surfaces and interfaces are included.…”
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    Neutron Reflectivity and Grazing Angle Diffraction
  20. 380
    “…The resulting random bit generator (RBG) successfully passes the National Institute of Standards and Technology (NIST) statistical tests, and it is then successfully applied to the problem of image encryption.…”
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    Modification of the Logistic Map Using Fuzzy Numbers with Application to Pseudorandom Number Generation and Image Encryption
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