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Mostrando 341 - 360 Resultados de 895 Para Buscar '"NIST"', tiempo de consulta: 0.16s Limitar resultados
  1. 341
    “…In addition, three mass bias correction models of SSB alone, SSB combined with internal standard (IS–SSB), and ORM–SSB were compared for the Se isotope ratio measurements. NIST SRM 987 Sr was used as an internal standard, and the reproducibility of the results obtained with the proposed method was verified by measuring NIST SRM 3149 standard over different days (nine independent measurement sessions). …”
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    Novel Approach for the Accurate Determination of Se Isotope Ratio by Multicollector ICP-MS
  2. 342
    “…Matching was done on FVC2004 and NIST SD27 latent fingerprint databases against 640 and 3,758 gallery fingerprint images, respectively. …”
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    CNNAI: A Convolution Neural Network-Based Latent Fingerprint Matching Using the Combination of Nearest Neighbor Arrangement Indexing
  3. 343
    “…Experimentally, gamma ray shielding parameters are determined with different gamma ray sources and NaI(Tl) scintillation detector and theoretically via Monte-Carlo simulation (Geant4) as well as NIST-XCOM database. X-ray diffractograms elucidate the cubic spinel structure without any contaminating phases for all synthesized nano-ferrites. …”
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    Gamma radiation shielding characteristics of various spinel ferrite nanocrystals: a combined experimental and theoretical investigation
  4. 344
    “…In this work, we investigated the accuracy of QCEIMS predictions of electron ionization (EI) mass spectra for 80 purine and pyrimidine derivatives in comparison to experimental data in the NIST 17 database. Similarity scores between every pair of predicted and experimental spectra revealed that 45% of the compounds were found as the correct top hit when QCEIMS predicted spectra were matched against the NIST17 library of >267,000 EI spectra, and 74% of the compounds were found within the top 10 hits. …”
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    Evaluating the Accuracy of the QCEIMS Approach for Computational Prediction of Electron Ionization Mass Spectra of Purines and Pyrimidines
  5. 345
    por Wise, S A, Koster, B J
    Publicado 1995
    “…Since 1979 the National Institute of Standards and Technology (NIST) has been involved in environmental specimen banking activities as part of the National Biomonitoring Specimen Bank (NBSB). …”
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    Considerations in the design of an environmental specimen bank: experiences of the National Biomonitoring Specimen Bank Program.
  6. 346
    “…Both NIST and the PM(2.5), being collected in Chiang Mai, Thailand, increased IL-8 production, but reduced CXCR2 expression and migration of human primary neutrophils stimulated with Escherichia coli LPS. …”
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    Vitamin D3 regulates PM-driven primary human neutrophil inflammatory responses
  7. 347
    “…Similarly, BEAS-2B cells grown submerged in media demonstrated a significant increase in IL-8 and HOX1 RNA after exposure to NIST 1648 particle relative to the same cells exposed after growth at ALI. …”
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    Growth of human bronchial epithelial cells at an air-liquid interface alters the response to particle exposure
  8. 348
    “…INTRODUCTION: Recently several diagnostic manufacturers have launched new 25-hydroxy-vitamin D (25[OH]D) assays, which are aligned to the National Institute of Standards and Technology (NIST) Standard Reference Materials (SRM) (NIST, Gaithersburg, Maryland). …”
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    Method evaluation study of a new generation of vitamin D assays
  9. 349
    “…This paper describes a single piston/cylinder assembly (NIST-PG201WC/WC) that serves as both a primary gage in which both piston and cylinder are measured dimensionally and a controlled-clearance primary gage (employing the Heydemann-Welch method). …”
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    A Double-Primary Dead-Weight Tester for Pressures (35–175) kPa in Gage Mode
  10. 350
    por Maki, Arthur G., Wells, Joseph S.
    Publicado 1992
    “…In an effort to satisfy most users, we have made two different options available. The first is NIST Special Publication 821, which has a spectral map/facing table format. …”
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    New Wavenumber Calibration Tables From Heterodyne Frequency Measurements
  11. 351
    “…We further showed that removal of the Fc-glycan on the NIST mAb increased conjugation at two specific sites in the heavy chain, demonstrating the utility of this method to identify changes in the susceptibility of individual sites to conjugation. …”
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    An accurate TMT-based approach to quantify and model lysine susceptibility to conjugation via N-hydroxysuccinimide esters in a monoclonal antibody
  12. 352
    “…This paper reports the results of an international interlaboratory study led by the National Institute of Standards and Technology (NIST) on the measurement of high-pressure surface excess carbon dioxide adsorption isotherms on NIST Reference Material RM 8852 (ammonium ZSM-5 zeolite), at 293.15 K (20 °C) from 1 kPa up to 4.5 MPa. …”
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    A reference high-pressure CO(2) adsorption isotherm for ammonium ZSM-5 zeolite: results of an interlaboratory study
  13. 353
    “…We discuss some individual example materials, as well as trends throughout our dataset, which is available at the websites: https://www.ctcms.nist.gov/~knc6/JVASP.html and https://jarvis.nist.gov/.…”
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    High-throughput Discovery of Topologically Non-trivial Materials using Spin-orbit Spillage
  14. 354
    “…To test the accuracy of predictions, in silico mass spectra of 451 small molecules were generated and compared to experimental spectra from the NIST 17 mass spectral library. The compounds covered 43 chemical classes, ranging up to 358 Da. …”
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    Predicting in silico electron ionization mass spectra using quantum chemistry
  15. 355
    “…Experiments are conducted on FVC2002, FVC2004, and NIST SD27 latent fingerprint databases. The minutiae extraction results show significant improvement in precision, recall, and F1 scores. …”
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    End-to-End Automated Latent Fingerprint Identification With Improved DCNN-FFT Enhancement
  16. 356
    “…We investigated the platform performance across nine laboratories using NIST SRM 1950–Metabolites in Frozen Human Plasma, and three NIST Candidate Reference Materials 8231–Frozen Human Plasma Suite for Metabolomics (high triglyceride, diabetic, and African-American plasma). …”
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    Cross-Laboratory Standardization of Preclinical Lipidomics Using Differential Mobility Spectrometry and Multiple Reaction Monitoring
  17. 357
    “…The accuracy of rosette cMRF in T(1), T(2), and PDFF quantification was validated in the ISMRM/NIST phantom and an in-house built fat fraction phantom, respectively. …”
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    Cardiac MRF using rosette trajectories for simultaneous myocardial T(1), T(2), and proton density fat fraction mapping
  18. 358
    por Gillin, Michael T.
    Publicado 2002
    “…The calibration factor agrees well with factors established by the NIST for newer dose calibration systems. The determination of the source activity is necessary to accurately calculate the time required to deliver the prescribed dose. …”
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    Calibration of a liquid I‐125 source in a syringe
  19. 359
    “…A recent meeting jointly sponsored by the National Cancer Institute (NCI) and National Institute of Standards and Technology (NIST) brought together researchers active in nanotechnology and cancer molecular biology to discuss and evaluate the interface between disciplines. …”
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    Nanotechnology: Emerging Developments and Early Detection of Cancer. A Two-Day Workshop Sponsored by the National Cancer Institute and the National Institute of Standards and Technology, August 30–31 2001, on the National Institute of Standards and Technology Campus, Gaithersburg, MD, USA
  20. 360
    por Parr, Albert C., Johnson, B. Carol
    Publicado 2011
    “…An example is presented using the NIST calibration sphere source that is used to support the NASA Earth Observing remote-sensing program.…”
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    The Use of Filtered Radiometers for Radiance Measurement
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