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Displaying 13851 - 13875 of 17285

Interoperability Testing for Shop Floor Measurement

December 28, 2007

Author(s)

Frederick M. Proctor, William G. Rippey, John A. Horst, Joseph Falco, Thomas Kramer

Manufactured parts are typically inspected to ensure quality. Inspection involves equipment and software from many different vendors, and interoperability is a major problem faced by manufacturers. The I++ Dimensional Measuring Equipment (DME)

Optical frequency transmission over 251 km of fiber at 6x10 -19 residual frequency instability in 100 s

October 15, 2007

Author(s)

Paul A. Williams, Nathan R. Newbury, William C. Swann

We demonstrate transmission of narrow-linewidth cw laser light (1535 nm) from a cavity-stabilized fiber laser over 251 km of single-mode optical fiber (76 km installed and 175 km on spools). Using standard Doppler-cancellation techniques, we transmit the

Absolute Flux Calibrations of Stars

August 30, 2007

Author(s)

Gerald T. Fraser, Steven W. Brown, Howard W. Yoon, Bettye C. Johnson, Keith R. Lykke

… These advances include new high-temperature blackbody standards, absolute cryogenic radiometry, solid-state optical …

Open Architecture Software Design for Online Spindle Health Monitoring

May 1, 2007

Author(s)

Kang B. Lee, Robert Gao, Ruqiang Yan, Li Zhang

This paper presents open systems architecture-based software design for an online spindle health monitoring system. The software is implemented using the graphical programming language of LabVIEW, and presents the spindle health status in two types of

Particle and Photon Detection for a Neutron Radiative Decay Experiment

April 11, 2007

Author(s)

Thomas R. Gentile, Maynard S. Dewey, Hans P. Mumm, Jeffrey S. Nico, Alan K. Thompson, T E. Chupp, R Cooper, B M. Fisher, I Kremsky, F E. Wietfeldt, K G. Kiriluk, E Beise

… located at the NG-6 beam line at the National Institute of Standards and Technology Center for Neutron Research. …

Statistical Interpretation of Key Comparison Degrees of Equivalence Based on Distributions of Belief

April 2, 2007

Author(s)

Blaza Toman

In a Key Comparison experiment, the Mutual Recognition Arrangement (MRA) requires the calculation of the Degrees of Equivalence (DoE) and the accompanying measures of uncertainty. Unilateral DoEs have been defined as a difference between a laboratory?s

A practical guide to the CIF:usability measurements

December 29, 2006

Author(s)

Mary F. Theofanos, Brian C. Stanton, Nigel Bevan

Using the Common Industry Format ( CIF) to specify usability measures can positively influence the development process. The CIF remains inherently flexible and adaptable?empowering the practitioner to identify success criteria specific to the application

Low Magnetic Moment PIN Diodes for High Field MRI Surface Coils

November 8, 2006

Author(s)

Pavel Voskoboynik, Ronald D. Joos, W E. Doherty, Ronald B. Goldfarb

Positive-intrinsic-negative (PIN) silicon diodes are commonly used in magnetic resonance imaging (MRI) coils to perform active or passive blocking and detuning, or to disable circuit functions. However, diode packages with large magnetic moments are known

Advanced Metrology Needs for Nanoelectronics Lithography

October 1, 2006

Author(s)

Stephen Knight, Ronald Dixon, Ronald L. Jones, Eric Lin, Ndubuisi G. Orji, Richard M. Silver, Andras Vladar, Wen-li Wu

… microscopy, and describe work at the National Institute of Standards and Technology advancing these tools as well as …

Smart Talking BuildingsReal-Time Building Systems Data for Improved Fire Response

August 1, 2006

Author(s)

David G. Holmberg

… are on, or which doors are open. NIST is working on the standards development needed to make it possible to move this …

Forensic Tools for Mobile Phone Subscriber Identity Modules

May 31, 2006

Author(s)

Wayne Jansen, Richard Ayers

… to the Global System for Mobile Communications (GSM) standards, certain data such as dialed numbers, text …

Forensic Software Tools for Cell Phone Subscriber Identity Modules

April 3, 2006

Author(s)

Wayne Jansen, Richard Ayers

… to the Global System for Mobile Communications (GSM) standards, certain data such as dialed numbers, text …

The evaluation of an autosomal SNP 12-plex assay

April 1, 2006

Author(s)

Peter Vallone, Amy E. Decker, Michael D. Coble, John Butler

SNPs have the potential to play a useful role in human identification testing. Small PCR amplicon sizes associated with SNP typing technologies make SNPs attractive for typing degraded DNA or other low copy number situations. SNP markers can be useful in

Comparison Between Observed and Simulated Flame Structures in Poorly Ventilated Compartment Fires.

September 18, 2005

Author(s)

Zhixin Hu, Arnaud Trouve, Y Utiskul, J G. Quintiere

… Simulator (FDS) developed by the National Institute of Standards and Technology, USA. The comparative tests serve to …

Dynamic Modeling and Vibration Analysis of a UHV Scanning Tunneling

August 17, 2005

Author(s)

Sumanth B. Chikkamaranahalli, R. R. Vallance, Bradley N. Damazo, Richard M. Silver, James D. Gilsinn

… being built and tested at the National Institute of Standards and Technology (NIST) are presented. The design of …

Is There a Need to Enclose Elevator Lobbies in Tall Buildings?

August 1, 2005

Author(s)

Richard W. Bukowski

… of industry (elevator and fire alarm), codes and standards developers (NFPA, ICC, ASME, ) and other interested …

Data Transfer Strategy for Machine Shop Simulation

July 1, 2005

Author(s)

Yung-Tsun Lee, Yan Luo

… shop data model developed at the National Institute of Standards and Technology (NIST). The data model is described …

Intelligent Building Response Real-Time Building Systems Data for Improved Safety and Performance of Building Emergency Response

July 1, 2005

Author(s)

William D. Davis

… which doors are open. NIST is working on spearheading the standards development needed to make it possible to move this …

NIST Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 2003 Organic Intercomparison Exercises; Exercise Materials: Mussel Tissue XI (QA03TIS1) and Marine Sediment XII (QA03SED12)

June 1, 2005

Author(s)

Michele M. Schantz, John R. Kucklick, Reenie M. Parris, Dianne L. Poster, Stephen A. Wise

… monitoring measurement programs, the National Institute of Standards and Technology (NIST) conducts yearly …

Improvement in the Low Energy Collection Efficiency of Si(Li) X-Ray Detectors

April 7, 2005

Author(s)

C E. Cox, Daniel A. Fischer, W G. Schwarz, Y Song

Soft X-ray beam-line applications are of fundamental importance to material research, and commonly employ high-resolution Si(Li) detectors for Energy Dispersive Spectroscopy. However, the measurement of X-rays below 1 keV compromised by absorption in the

The Structural Steel of the World Trade Center Towers

October 1, 2004

Author(s)

Frank W. Gayle, Stephen W. Banovic, Timothy J. Foecke, Richard J. Fields, William E. Luecke, Joseph D. McColskey, Thomas A. Siewert, Christopher N. McCowan

… In September 2002, the National Institute of Standards and Technology became the lead agency in an …

Influence of Interface Traps and Surface Mobility Degradation on Scanning Capacitance Microscopy Measurement

September 1, 2004

Author(s)

Y. D. Hong, Tong Y. Yeow, W. K. Chim, K. M. Wong, Joseph Kopanski

Scanning Capacitance Microscopy (SCM) is based on metal-oxide-semiconductor (MOS) theory. However, instead of the standard 100 kHz to 1 MHz signal used in conventional MOS capacitance-voltage measurement, SCM uses signal at 915 MHz. At this high frequency