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Search Publications

NIST Authors in Bold

Displaying 12076 - 12100 of 13225

Simulation of a Wind Driven Basement Fire - Riverdale Heights, MD

April 27, 2015
Author(s)
Craig G. Weinschenk, Kristopher Overholt, Daniel M. Madrzykowski
… maintained by the Na- tional Institute of Standards and Technology (NIST), was used to provide insight into the … a single-story, single-family residential struc- ture in Riverdale Heights, MD, that resulted in the serious injury of two Price George’s County …

Perfluorinated Alkyl Acids in Abiotic Standard Reference Materials

April 1, 2015
Author(s)
Jessica L. Reiner, Jennifer M. Lynch, Andrea Blaine, Christopher Higgins, Carin Huset, Thomas Jenkins, Christiaan Kwadijk, Cleston Lange, Derek Muir, William K. Reagen, Courtney Rich, Jeff Small, Mark J. Strynar, John Washington, Hoon Yoo
… The National Institute of Standards and Technology (NIST) has a wide range of Standard Reference … of emerging contaminants, perfluoroalkyl acids (PFAAs), in a variety of SRMs. Here we report levels determined in an interlaboratory comparison of up to 23 PFAAs determined …

Nonparametric Estimates of Drift and Diffusion Profiles via Fokker-Planck Algebra

October 13, 2014
Author(s)
Steven P. Lund, Michael W. Halter, Joseph B. Hubbard
… superimposed upon deterministic motion play a key role in understanding and controlling the transport of matter, energy, momentum, and even information in physics, chemistry, material science, biology, and communications technology. Given functions defining these random and …

Tests of Theory in Rydberg States of One-electron Ions

July 1, 2014
Author(s)
Joseph N. Tan, Peter J. Mohr
… of constants of nature to be made. Simplifications in the QED theory of high-angular-momentum states reduces the uncertainty in the prediction of transition frequencies to a level where … Recently at the US National Institute of Standards and Technology (NIST), highly-charged ions (including bare …

DNA-Controlled Carbon Nanotube Partition in Polymer Aqueous Two-Phase Systems

June 28, 2014
Author(s)
Geyou Ao, Constantine Y. Khripin, Ming Zheng
… study of spontaneous partition of DNA-wrapped SWCNTs in several polymer aqueous two-phase systems. We show that partition of DNA-SWCNT hybrids in a given polymer two-phase system is strongly … analysis of solvation energy for SWCNT colloids in a polymer-modified aqueous phase. Our observation and …

Sodium Superionic Conduction in Na 2 B 12 H 12

April 11, 2014
Author(s)
Terrence J. Udovic, Matoaki Matsuo, Atsushi Unemoto, Kristina Verdal, Vitalie Stavila, Alexander V. Skripov, John J. Rush, Hitoshi Takamura, Shin-Ichi Orimo
… have indicated a nearly three-orders-of-magnitude jump in Na + cation conductivity, approaching 0.1 S/cm. The … similar to what is observed for the mobile Ag + sublattice in the bcc phase of AgI. The high reorientational mobility, … shape of the B 12 H 12 2- anions may all play roles in facilitating Na + diffusion. Superionicity, …

Recent advances in vacuum sciences and applications

April 9, 2014
Author(s)
Miran Mozetic, Kostya Ostrikov, David Ruzic, Davide Curreli, Uros Cvelbar, Alenka Vesel, Gregor Primc, Manfred Leisch, Karl Jousten, Oleg Malyshev, Jay H. Hendricks, laszlo Kover, Alberto Tagliaferro, O Conde, Antonio Silvestre, J Giapintzakis, M Buljan, N Radi?, G Dra?i?, S Bernstorff, H Biederman, O Kyli?n, J Hanu?, S Milo?evi?, A Galtayries, P Dietrich, W Unger, K Stana-Kleinschek, A Drmota?Petri?, Jean-Jacques Pireaux, J W. Rogers, M Anderle, M Lehocky, V Sedlarik
… Recent advances in vacuum sciences and applications are reviewed. Novel … with temporal resolution of 2 ms. Vacuum issues in construction of huge ultra high vacuum devices worldwide … film characterization have been applied in conservation technology of cultural heritage objects and recent advances …

Results of aperture area comparisons for exo-atmospheric total solar irradiance measurements

November 13, 2013
Author(s)
Bettye C. Johnson, Maritoni A. Litorja, Joel B. Fowler, Eric L. Shirley, James J. Butler, Robert A. Barnes
… Knowledge of the aperture area is a critical component in the conversion of radiant flux measurements to solar … being executed by the National Institute of Standards and Technology (NIST) in coordination with the EOS Project Science Office. …

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1997 Comparability Studies: Results for Round Robin XXXIX, XL, and XLI Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 10 Ascorbic Acid in Human Serum

August 7, 2013
Author(s)
David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas, Sam A. Margolis
… The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality … measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes the design … 1) Round Robin XXXIX Fat-Soluble Vitamins and Carotenoids in Human Serum, 2) Round Robin XL Fat-Soluble Vitamins and …

Compression-Fatigue, Elastic Modulus, and Thermal Contraction of Insulated Conduit Arrays of ITER CS Modules

July 3, 2013
Author(s)
Richard Reed, Robert Walsh, Dash Weeks, Joseph D. McColskey, N. N. Martovsky
… systems (epoxy resin impregnated glass/Kapton) for use in the ITER central solenoid modules. Test samples consisted of insulated conduits that were stacked in 4×4 arrays. The thermal contraction (295-77 K) prior to … and assessed at the National Institute of Standards and Technology large-scale test facilities. The maximum cyclic …

Glossary of Key Information Security Terms

June 5, 2013
Author(s)
Richard L. Kissel
… The National Institute of Standards and Technology (NIST) has received numerous requests to provide a … (CNSSI-4009). This glossary includes most of the terms in the NIST publications. It also contains nearly all of the … resource of terms and definitions most commonly used in NIST information security publications and in CNSS …

Wide Angle Polarization Analysis with Neutron Spin Filters

April 29, 2013
Author(s)
Qiang NMN Ye, Thomas R. Gentile, Jeffrey R. Anderson, Collin L. Broholm, WangChun Chen, Z DeLand, Ross W. Erwin, C. B. Fu, John E. Fuller III, Aaron V. Kirchhoff, J. A. Rodriguez-Rivera, V. Thampy, T G. Walker, Shannon Watson
… We report substantial improvements in a compact wide angle neutron spin filter system that was … Research at the U.S. National Institute of Standards and Technology. The apparatus consists of a cylindrical 3He … magnetic resonance is employed to reverse the polarization in the polarizer cell and monitor the 3He polarization in all …

Diffusion-controlled reference material for VOC emissions testing: The effect of temperature and humidity.

February 1, 2013
Author(s)
John Little, Liu Zhe, Cynthia H. Reed, Steven Cox
… building products, the National Institute of Standards and Technology (NIST) and Virginia Tech (VT) have created a … of the reference material, including toluene concentration in pre-loaded films (C0), material-phase diffusion … material and its usefulness has been demonstrated in several inter-laboratories studies (Howard-Reed et al. …

Characterizing Vaccinium berry Standard Reference Materials using NIST Mass Spectral Libraries

January 6, 2013
Author(s)
Mark S. Lowenthal, Nirina Rabe Andriamaharavo, Stephen E. Stein, Karen W. Phinney
… for qualitative characterization of metabolites found in Vaccinium-fruit (berry) dietary supplement Standard … against EI spectra of authentic standards compiled in the National Institute of Standards and Technology’s mass spectral libraries, as well as spectra …

Dynamic customization and validation of product data models using the semantic web tools

July 12, 2012
Author(s)
Sylvere I. Krima, Allison Barnard Feeney, Sebti Foufou
… product data models. Product data models enable in-formation exchange across different organizations, actors, processes and stages in the product lifecycle. In this context, standardization of … product data models and SPIN, a new semantic web technology, for validating product data and overcoming OWL …

Data Dependency on Measurement Uncertainties in Speaker Recognition Evaluation

July 11, 2012
Author(s)
Jin Chu Wu, Alvin F. Martin, Craig S. Greenberg, Raghu N. Kacker
… The National Institute of Standards and Technology conducts an ongoing series of Speaker Recognition … I and type II errors. The sampling variability can result in measurement uncertainties. In our prior study, the data independency was assumed in … Data Dependency on Measurement Uncertainties in Speaker Recognition Evaluation …

Protein Particles: What We Know and What We Dont Know

June 26, 2012
Author(s)
Dean C. Ripple, Mariana Dimitrova
… of protein monomers. There is a growing interest in the understanding of particles in biopharmaceutical products, which has been fostered on the one hand by significant advancements in the development of novel technologies for particle …

Integrating Occlusion Monitoring into Human Tracking for Robot Speed and Separation Monitoring

May 16, 2012
Author(s)
William P. Shackleford, Sandor S. Szabo, Richard J. Norcross, Jeremy A. Marvel
… Collaborative robots work in close proximity to humans to perform a variety of tasks, … the position of every person who enters the work space in time for the robot to fully react. The TC 184/SC 2/WG 3 … view due to placement of objects or the movement of people in front of a sensor. In this situation the robot could shut …

Optimization of Imaging Polymer Based Scaffolds Using X-Ray Microcomputed Tomography

May 15, 2012
Author(s)
David E. Morris, Melissa L. Mather, Carl Simon Jr., John A. Crowe
… The performance of polymer based scaffolds used in regenerative medicine is linked to their structural … is highly dependent on the imaging acquisition parameters. In this work the role of resolution (spatial and angular); … were performed on a National Institute of Standards and Technology (NIST) reference scaffold (NIST RM 8396) with well …

Determination of Perfluorinated Alkyl Acid Concentrations in Biological Standard Reference Materials

April 4, 2012
Author(s)
Jessica L. Reiner, Jennifer M. Lynch, Michele M. Schantz, Steven O'Connell, Craig M. Butt, Scott Mabury, Jeff Small, Amila De Silva, Derek Muir, Amy D. Delinsky, Mark J. Strynar, Andrew B. Lindstrom, William K. Reagen, Michelle Malinsky, Sandra Schafer, Christiaan Kwadijk
… analytical data. The National Institute of Standards and Technology (NIST) has a wide range of SRMs that have values … will benefit from the characterization of PFAAs in SRMs. NIST, in collaboration with multiple groups, has been measuring … Determination of Perfluorinated Alkyl Acid Concentrations in Biological Standard Reference Materials …

Extension of the NIST spectral power-responsivity calibration service to 2500 nm

March 2, 2012
Author(s)
George P. Eppeldauer, Howard W. Yoon, Jinan Zeng, Thomas C. Larason, Jeanne M. Houston, Vladimir Khromchenko
… The National Institute of Standards and Technology (NIST) is working to extend the upper wavelength … of the four working standards to a test EIGA radiometer in direct-current (DC) measurement mode is described. The … be used over the spectral range between 900 nm and 2500 nm in DC mode and could eventually replace the regular InGaAs …
Displaying 12076 - 12100 of 13225
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