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Search Publications

NIST Authors in Bold

Displaying 22826 - 22850 of 73697

Maximum Life Span Strategy for Target Tracking in Mobile Sensor Networks

June 29, 2012
Author(s)
Vladimir V. Marbukh, Kamran Sayrafian, Hamid Mahboubi, Amir G. Aghdam, Walid Masoudimansour
In this paper, an energy-efficient technique is proposed for tracking a target in a field using a network of mobile sensors while maximizing the life span of the network. The most important energy consumption sources in a mobile sensor network (MSN) are

Randomized Benchmarking of Multiqubit Gates

June 29, 2012
Author(s)
John P. Gaebler, Adam M. Meier, Ting Rei Tan, Ryan S. Bowler, Yiheng Lin, David Hanneke, John D. Jost, Jonathan Home, Emanuel H. Knill, Dietrich G. Leibfried, David J. Wineland
As experimental platforms for quantum information processing continue to mature, characterization of the quality of unitary gates that can be applied to their quantum bits (qubits) becomes essential. Eventually, the quality must be sufficiently high to

Wireless Networks for Smart Grid Applications

June 29, 2012
Author(s)
David W. Griffith, Michael R. Souryal, Nada T. Golmie
This chapter discusses the use of wireless networks in the context of the smart grid. First, it provides an overview of the various applications envisaged in the smart grid and discusses their communication requirements. Sifting through thousands of

(NISTIR 7865) A Human Factors Guide to Enhance EHR Usability of Critical User Interactions when Supporting Pediatric Patient Care

June 28, 2012
Author(s)
Svetlana Z. Lowry, Matthew T. Quinn, Mala Ramaiah, David Brick, Emily S. Patterson, Jiajie Zhang, Patricia Abbott, Michael C. Gibbons
Adoption of electronic health record (EHR) systems in hospitals and physician practices is accelerating. Usability of EHRs has been identified as an important factor impacting patient safety and recommendations for improvement have been provided. Pediatric

A Glowing Future for Lab on a Chip Testing Standards

June 28, 2012
Author(s)
Samuel M. Stavis
Testing standards are more fundamental from a metrological perspective and less controversial from an industrial perspective than product standards, representing a path of less resistance towards the standardization and commercialization of lab on a chip

Effect of Tin Doping on alpha-Fe2O3 Photoanodes for Water Splitting

June 28, 2012
Author(s)
Christopher C. Bohn, Amit Agrawal, Erich C. Walter, Mark D. Vaudin, Andrew Herzing, Paul M. Haney, Albert A. Talin, Veronika Szalai
Sputtered-deposited films of α-Fe2O3 of thickness 600 nm were investigated as photoanodes for solar water splitting and found to have photocurrents as high as 0.8 mA/cm2 at 1.23 V vs. the reversible hydrogen electrode (RHE). The incorporation of Sn into

Next Generation Packaging, Kitting, and Palletizing: Can one robot do it all?

June 28, 2012
Author(s)
Rajmohan (. Madhavan, Stephen B. Balakirsky, Craig I. Schlenoff
A seminar titled "Next Generation Packaging, Kitting, and Palletizing: Can one robot do it all?" was held on February 9th 2012 at the Material Handling Industry of America (MHIA) MODEX show in Atlanta, GA. The seminar primarily focused on whether systems

Safe Control of Manufacturing Vehicles Research Towards Standard Test Methods

June 28, 2012
Author(s)
Roger V. Bostelman, William P. Shackleford, Geraldine S. Cheok, Kamel S. Saidi
The National Institute of Standards and Technology's Intelligent Systems Division has been researching several areas leading to safe control of manufacturing vehicles to improve AGV safety standards. The research areas include: - Automated guided vehicle

Usability of PIV Smartcards for Logical Access

June 28, 2012
Author(s)
Emile L. Morse, Mary F. Theofanos, Yee-Yin Choong, Celeste Paul, Aiping L. Zhang, Hannah Wald
This paper presents the findings of a PIV usability pilot study conducted at NIST during the summer of 2010. The study focused on factors that affected users' perceptions and adoption of PIV smartcards. Based on observation of the study participants, the

VOC emissions from a LIFE reference: small chamber tests and factorial studies

June 28, 2012
Author(s)
Wenjuan Wei, Sylvester M. Greer, Cynthia H. Reed, Andrew K. Persily, Yinping Zhang
A liquid-inner tube diffusion-film-emission (LIFE) reference was developed to quickly evaluate the performance of a chamber system for furniture/building material VOC emission tests. The reference has a constant emission rate determined by an analytical

THE ROLE OF TOOTH ENAMEL MECHANICAL PROPERTIES IN PRIMATE DIETARY ADAPTATION

June 27, 2012
Author(s)
Paul Constantino, James J. Lee, Yvonne Gerbig, Adam Hartstone-Rose, Mauricio Talebi, Brian R. Lawn, Peter Lucas
Primate teeth adapt to the physical properties of foods in a variety of ways including changes in occlusal morphology, enamel thickness, and overall size. We conducted a comparative study of extant primates to examine whether their teeth also adapt to

Thermodynamic Properties of o-Xylene, m-Xylene, p-Xylene, and Ethylbenzene

June 27, 2012
Author(s)
Eric W. Lemmon, Yong Zhou, Jiangtao Wu
Equations of state for the xylene isomers (o-xylene, m-xylene, and p-xylene) and ethylbenzene have been developed with the use of the Helmholtz energy as the fundamental property with independent variables of density and temperature. The general

Protein Particles: What We Know and What We Dont Know

June 26, 2012
Author(s)
Dean C. Ripple, Mariana Dimitrova
All therapeutic protein products contain particles formed by the aggregation 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

Combinatorial Testing

June 25, 2012
Author(s)
David R. Kuhn, Raghu N. Kacker, Yu Lei
Combinatorial testing is a method that can reduce cost and improve test effectiveness significantly for many applications. The key insight underlying this form of testing is that not every parameter contributes to every failure, and empirical data suggest

Etch induced microwave losses in titanium nitride superconducting resonators

June 25, 2012
Author(s)
Martin O. Sandberg, Jeffrey S. Kline, Martin P. Weides, David S. Wisbey, David P. Pappas
We have investigated the correlation between the microwave loss and patterning method for coplanar waveguide titanium nitride resonators fabricated on silicon wafers. Three different methods were investigated: fluorine- and chlorine-based reactive ion

Compressed-liquid densities of two highly polar + non-polar binary systems

June 24, 2012
Author(s)
Stephanie L. Outcalt, Arno R. Laesecke
The binary systems ethanol + 2,2,4-trimethylpentane and 2-butanol + 2,2,4-trimethylpentane were studied as models for blends of gasoline with biofuels. Their densities were measured with a vibrating-tube densimeter at compressed-liquid states of three

RESONANCE ENERGY TRANSFER AS A TOOL FOR PROBING INTERFACE FORMATION IN NANOCOMPOSITES

June 24, 2012
Author(s)
Mauro Zammarano, Edward D. McCarthy, Douglas M. Fox, Paul H. Maupin, Li Piin Sung, Yeon S. Kim
One of the most enduring problems in the evolution of science and technology using nanoscale materials is the characterization of their morphology in macroscopic systems.1 This involves spatial and orientation distribution, which may be multimodal and

Solid-Phase Synthesis of Ammonium Ionenes

June 24, 2012
Author(s)
Matthew T. Hunley, Kathryn L. Beers
Ionenes are polyelectrolytes with the charge along the polymer backbone. These polymers possess a precisely-defined charge density, making them ideal as physical crosslinkers for high performance elastomers as well as gene transfection agents. However
Displaying 22826 - 22850 of 73697
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