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NIST Authors in Bold

Displaying 176 - 200 of 570

Guest Editorial

April 1, 1999
Author(s)
Barry A. Bell
… 1998. The Technical Program included 344 papers given in 32 lecture sessions and 33 poster sessions held during 3.5 …

Standardized Equation for Hydrogen Gas Densities for Fuel Consumption Applications

April 3, 2006
Author(s)
Eric Lemmon, Marcia L. Huber, Daniel G. Friend, Carl Paulina
… the thermodynamic properties of hydrogen is provided by a 32-term equation of state, in which the pressure is given as … is the same as the current standard and is estimated as 0.2% (combined uncertainty with a coverage factor of 2) over … are presented with experimental data and with the full 32-term equation of state. …

Analysis of the N 2 , N 4 Infrared Hot Bands and N 1 CARS Spectrum of 34 S 16 O 3

February 1, 2003
Author(s)
J Barber, E T. Chrysostom, Tony Masiello, J Nibler, A G. Maki, A Weber, Thomas A. Blake, R L. Sams
… the 34 S 16 O 3 IR-active hot bands originating from the Ņ 2 and Ņ 4 bending mode levels and terminating in the states … is dramatically different from the corresponding one for 32 S 16 O 3 . From the infrared transitions, accurate … identical (within experimental error) to those found for 32 S 16 O 3 . …

Localized Diffusive Motion on Two Different Time Scales in Solid Alkane Nanoparticles

October 11, 2010
Author(s)
Siao-Kwan Wang, E. Mamontov, Mengjun Bai, F.Y. Hansen, Haskell Taub, John R. Copley, Victoria Garcia Sakai, Goran Gasparovic, Timothy Jenkins, Madhu Sudan Tyagi, Kenneth W. Herwig, David B. Neumann, Wouter Montfrooij, U.G. Volkmann
… diffusive motion in solid nanoparticles of the alkane n-C 32 H^66^. Nontranslational molecular diffusive motion in the …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1992 Comparability Studies: Results for Round Robins XXIV, XXV, and XXVI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 3 Ascorbic Acid in Human Serum

December 19, 2014
Author(s)
Jeanice M. Brown Thomas, Neal E. Craft, David L. Duewer, Kline Margaret, Sam A. Margolis, Willie E. May, Katherine E. Sharpless
… XXIV Fat-Soluble Vitamins and Carotenoids in Human Serum, 2) Round Robin XXV Fat-Soluble Vitamins and Carotenoids in … NIST Interagency/Internal Report (NISTIR) - 7880-32 …

The use of lateral flow immunoassays for the detection of fentanyl in seized drug samples and postmortem urine

June 17, 2021
Author(s)
Daniel J. Angelini, Tracey Biggs, Amber M. Prugh, Jessica A. Smith, Jennifer A. Hanburger, Bob Llano, Raquel Avelar, Angela Ellis, Brady Lusk, Abdallah Naanaa, Edward Sisco, Jennifer W. Sekowski
… samples. In the current study, 44 seized drug samples (32 fentanyl-positive, 12 fentanyl-negative) and 14 postmortem … fentanyl-positive, 4 fentanyl-negative) were analyzed. All 32 fentanyl-containing seized drug samples and 10 postmortem … of 100%, a specificity of 75%, and an efficiency of 93.2% for seized drug samples and a sensitivity, specificity, …

Code-division-multiplexed readout of large arrays of TES microcalorimeters

September 15, 2016
Author(s)
Kelsey M. Morgan, Bradley K. Alpert, Douglas A. Bennett, William B. Doriese, Joseph W. Fowler, Johnathon D. Gard, Gene C. Hilton, Kent D. Irwin, Young Il Joe, Galen C. O'Neil, Carl D. Reintsema, Edward V. Denison, Daniel R. Schmidt, Joel N. Ullom, Daniel S. Swetz
… We demonstrate the readout of X-ray TESs with a 32-channel flux-summed code-division multiplexing circuit … amplifiers. The best detector has energy resolution of 2.28 +/- 0.12 eV FWHM at 5.9 keV and the array has mean … Additionally, because the modulated data from the 32 SQUID readout channels provides information on each X-ray …

Impact of molecular mass on the elastic modulus of polystyrene thin films

July 31, 2010
Author(s)
Jessica M. Torres, Christopher Stafford, Bryan D. Vogt
… and relative molecular mass (Mn). A range of Mn from 1.2 kg/mol to 990 kg/mol was examined to determine if the … masses studied here compared to the bulk value. For Mn > 3.2 kg/mol, the fractional change in modulus was statistically … the film thickness was ≈15 nm, irrespective of Mn below 3.2 kg/mol. However, an increase in the length scale for …

High Resolution Infrared Studies of the N2, N4 Bands of 34 S 16 O 3 Including Both Intensity and Wavenumber Perturbations

April 1, 2003
Author(s)
J Barber, Tony Masiello, E T. Chrysostom, J Nibler, A G. Maki, A Weber, Thomas A. Blake, R L. Sams
… The infrared spectrum of the Ņ 2 , Ņ 4 bending mode region of 34 S-substituted sulfur … state and both fundamentals. Comparisons are made with 32 S 16 O 3 parameters and the B o rotational constant is … than the corresponding value of 0.348 543 33(5) cm -1 for 32 S 16 O 3 . Coriolis and l-type resonance interactions …

Bilateral NMI Comparison of Guarded-Hot-Plate Apparatus

April 27, 2014
Author(s)
Alain Koenen, Robert R. Zarr, William F. Guthrie
Two national metrology laboratories (NMI) have conducted an international interlaboratory comparison on thermal conductivity on two thermal insulation reference materials. The Laboratoire national de métrologie et d'Essais (LNE) from France and the

Atomic vapor cells for miniature frequency references

May 8, 2003
Author(s)
Svenja A. Knappe, V. Velichansky, Hugh Robinson, Li-Anne Liew, John M. Moreland, John Kitching, Leo W. Hollberg
… one based on hollow-core pyrex fibers, fused with a CO 2 laser or micro-torch and the second one using anodic … IEEE International Frequency Control Symposium, pp. 31-32 …

Ultra-Low Resistance Contacts to GaAs/AlGaAs Quantized Hall Resistors

May 1, 2000
Author(s)
Kevin C. Lee
Contacts to quantized Hall resistors (QHRs) must meet demanding specifications for contact resistance, reliability, ruggedness, and resistance to degradation. A study of contact materials showed that contacts composed primarily of Indium meet all of these
Displaying 176 - 200 of 570
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