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Mostrando 861 - 880 Resultados de 895 Para Buscar '"NIST"', tiempo de consulta: 0.28s Limitar resultados
  1. 861
    “…Before ADC values from MR‐RT systems can be used clinically their reproducibility and accuracy must be quantified. This study used a NIST traceable DWI phantom to verify ADC values acquired on a 0.35 T MR‐LINAC system at multiple gantry angles. …”
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    Evaluation of diffusion‐weighted MRI and geometric distortion on a 0.35T MR‐LINAC at multiple gantry angles
  2. 862
    por Jain, Amit, Gencturk, Bora
    Publicado 2021
    “…National Institute of Standards and Technology (NIST). The concept of equivalent maturation time is utilized to eliminate the limitation of simulating concrete microstructure using VCCTL in specific environmental conditions such as adiabatic. …”
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    Multiphysics and Multiscale Modeling of Coupled Transport of Chloride Ions in Concrete
  3. 863
    “…We then tested the conditions that would lead to an out-of-control run by simulating outliers in an otherwise “in-control” set of 12 trace elements in blood QC samples (NIST SRM 955c). RESULTS: When phthalates were assessed within study, we identified a single out-of-control run for two of the five studies. …”
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    Evaluating inter-study variability in phthalate and trace element analyses within the Children’s Health Exposure Analysis Resource (CHEAR) using multivariate control charts
  4. 864
    “…The VOCs were identified by comparing the chromatograms with the NIST library. Compound intensities over time were tested using Friedman tests, with Wilcoxon signed-rank tests and Bonferroni corrections used for post hoc analyses. …”
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    Pulmonary Oxygen Toxicity Through Exhaled Breath Markers After Hyperbaric Oxygen Treatment Table 6
  5. 865
    “…Two million bits have been analyzed using the NIST randomness test suite, and the results show that underwater sound waves are an impeccable entropy source for true randomness. …”
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    Block Cipher's Substitution Box Generation Based on Natural Randomness in Underwater Acoustics and Knight's Tour Chain
  6. 866
    “…The National Institute of Standards and Technology (NIST) photon cross-section database and software methodology (XCOM) was used to compute the concrete’s [Formula: see text]-ray shielding characteristics (LAC). …”
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    A Novel Hierarchical Extreme Machine-Learning-Based Approach for Linear Attenuation Coefficient Forecasting
  7. 867
    “…Results About 61 metabolites were identified by NIST library, comprising sugars, phenols, fatty acids, carboxylic acids and sugar alcohols. …”
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    Metabolic profiles of peanut (Arachis hypogaea L.) in response to Puccinia arachidis fungal infection
  8. 868
    “…Certified reference material and external quality control samples (DEQAS) were analysed to meet the standards outlined by National Institute of Standards and Technology (NIST). Validation steps included recovery and both precision and accuracy under inter- and intra-day variation limit of detection, and analysis of each analyte over a linear range. …”
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    Method for simultaneous analysis of eight analogues of vitamin D using liquid chromatography tandem mass spectrometry
  9. 869
    “…We validated the b-y filter on the set of linear peptides from NIST library, and demonstrate that it is an effective way to find high-quality mass spectra. …”
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    XLPM: efficient algorithm for the analysis of protein-protein contacts using chemical cross-linking mass spectrometry
  10. 870
    “…Materials and Methods: 8 typical STR loci in the identification selected according to their size in the two groups of four (CSF1PO, VWA, D18S51, PentaD and TPOX, Amelogenin, FGA, SE33) from NIST (National Institute of Standards and Technology). …”
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    Optimization of short tandem repeats (STR) typing method and allele frequency of 8 STR markers in referring to forensic medicine of Semnan Province
  11. 871
    “…Beam fluence was calculated by dividing the integral product of the spectra and the in‐air NIST mass‐energy attenuation coefficients by in‐air dose measurements along the filter axis. …”
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    A measurement‐based X‐ray source model characterization for CT dosimetry computations
  12. 872
    “…[Image: see text] Abbreviations used: DPPH: 2,2-diphenyl-1-picrylhydrazyl, Km: The Michaelis constant, Vmax: Maximum velocity, ROS: Reactive oxygen species, NIDDM: Non-insulin-dependent diabetes mellitus, UFS: University of the Free State, GC-MS: Gas chromatography-mass spectrometric, MS: Mass spectrometry, NIST: National Institute of Standards and Technology, DNS: 3,5-dinitrosalicylic acid, NO: Nitric oxide, RNS: Reactive nitrogen species, PNPG: p-Nitrophenyl-α-D-glucopyranoside.…”
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    Antioxidant and Inhibitory Effects of Saponin Extracts from Dianthus basuticus Burtt Davy on Key Enzymes Implicated in Type 2 Diabetes In vitro
  13. 873
    por Brinson, Robert G., Marino, John P., Delaglio, Frank, Arbogast, Luke W., Evans, Ryan M., Kearsley, Anthony, Gingras, Geneviève, Ghasriani, Houman, Aubin, Yves, Pierens, Gregory K., Jia, Xinying, Mobli, Mehdi, Grant, Hamish G., Keizer, David W., Schweimer, Kristian, Ståhle, Jonas, Widmalm, Göran, Zartler, Edward R., Lawrence, Chad W., Reardon, Patrick N., Cort, John R., Xu, Ping, Ni, Feng, Yanaka, Saeko, Kato, Koichi, Parnham, Stuart R., Tsao, Desiree, Blomgren, Andreas, Rundlöf, Torgny, Trieloff, Nils, Schmieder, Peter, Ross, Alfred, Skidmore, Ken, Chen, Kang, Keire, David, Freedberg, Darón I., Suter-Stahel, Thea, Wider, Gerhard, Ilc, Gregor, Plavec, Janez, Bradley, Scott A., Baldisseri, Donna M., Sforça, Mauricio Luis, Zeri, Ana Carolina de Mattos, Wei, Julie Yu, Szabo, Christina M., Amezcua, Carlos A., Jordan, John B., Wikström, Mats
    Publicado 2018
    “…Here, an inter-laboratory comparison involving 26 industrial, government and academic laboratories worldwide was performed as a benchmark using the NISTmAb, from the National Institute of Standards and Technology (NIST), to facilitate the translation of the 2D-NMR method into routine use for biopharmaceutical product development. …”
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    Enabling adoption of 2D-NMR for the higher order structure assessment of monoclonal antibody therapeutics
  14. 874
    “…After univariate tests and correlation of retention times, ion fragments could be identified using a standard reference database [National Institute of Standards and Technology (NIST)]. Using these fragments VOCs could be reconstructed, which were then tested longitudinally with analysis of variance. …”
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    Pulmonary Oxygen Toxicity in Navy Divers: A Crossover Study Using Exhaled Breath Analysis After a One-Hour Air or Oxygen Dive at Nine Meters of Sea Water
  15. 875
    “…Metabolomics was performed by GC-MS (Agilent MassHunter) and metabolites were identified using Agilent Fiehn GC/MS and NIST libraries. After excluding metabolites present in <50% of participants, 293 metabolites were analyzed. …”
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    Metabolomics biomarkers and the risk of overall mortality and ESRD in CKD: Results from the Progredir Cohort
  16. 876
    “…A NanoSIMS 50L is used to investigate uranium molecular ((235)U(16)O, (236)U(16)O, (238)U(16)O, (235)U(1)H, (238)U(1)H, (236)U(16)O(1)H, and (238)U(16)O(1)H) and elemental ((235)U, (236)U, and (238)U) secondary ion production during sputtering of synthetic UO(2) and the NIST-610 standard to determine if: (1) the (236)U(16)O/(238)U(16)O molecular oxide ratio performs better than the (236)U/(238)U elemental ratio, and (2) there is co-variance between the molecular hydrides and oxides. …”
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    A preliminary investigation into the use of molecular oxide and hydride secondary ion relationships for improvement of the (236)U/(238)U determination on a NanoSIMS 50L
  17. 877
    “…METHODS: Theoretical CAC monoE thresholds were calculated with data from the National Institute of Standards and Technology (NIST) database. Artificial CAC with three densities were moved in an anthropomorphic thorax phantom at 0 and 60–75 bpm, and scanned at full and 50% dose on a first-generation dual-source PCCT. …”
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    Coronary calcium scores on dual-source photon-counting computed tomography: an adapted Agatston methodology aimed at radiation dose reduction
  18. 878
    “…The benzyl derivative of PMPA was partially corroborated with the instrument's internal NIST spectral library and the OPCW central analytical database (OCAD v.21_2019) but unambiguously identified through comparison with a synthesized authentic standard. …”
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    Benzyl trichloroacetimidates as derivatizing agents for phosphonic acids related to nerve agents by EI-GC-MS during OPCW proficiency test scenarios
  19. 879
    “…OBJECTIVES: To assess the accuracy, repeatability, and reproducibility of T(1) and T(2) relaxation time measurements by three-dimensional magnetic resonance fingerprinting (3D MRF) using various dictionary resolutions. METHODS: The ISMRM/NIST phantom was scanned daily for 10 days in two 3 T MR scanners using a 3D MRF sequence reconstructed using four dictionaries with varying step sizes and one dictionary with wider ranges. …”
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    Accuracy, repeatability, and reproducibility of T(1) and T(2) relaxation times measurement by 3D magnetic resonance fingerprinting with different dictionary resolutions
  20. 880
    “…METHODS: To assess immune-mediated mechanisms underlying air pollution-induced glucose intolerance, we administered diesel exhaust particles (DEP; NIST 1650b, 12 µg five days/week) or phosphate-buffered saline (PBS) via gavage for up to 10 months to wild-type mice and mice with genetic or pharmacological depletion of innate or adaptive immune cells. …”
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    Diesel Exhaust Particle (DEP)-induced glucose intolerance is driven by an intestinal innate immune response and NLRP3 activation in mice
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