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NIST Authors in Bold

Displaying 12151 - 12175 of 13225

Molecular Basis of Lubrication

February 1, 2002
Author(s)
Stephen M. Hsu
… civilization. The study of lubricatin as a science began in the 17th century with the development of bearings and axles. In the early 20th century, the advent of automobiles and … in a revolutionary change in our current lubricating technology. …

Performance Evaluation of Autonomous Mobile Robots

February 1, 2002
Author(s)
Adam S. Jacoff, Elena R. Messina, John Evans
… The National Institute of Standards and Technology (NIST) has initiated a program to develop … is task-based performance testing, like a mouse in a maze. A series of application-specific testbeds is … RoboCupRescue competitions held internationally each year. In this paper, we describe our approach toward developing …

Suppression Effectiveness of Aerosols: The Effect of Size and Flame Type

January 1, 2002
Author(s)
J W. Fleming, B A. Williams, R S. Sheinson
… Department of Defense’s Next Generation Fire Suppression Technology Program (NGP) supported by the DoD Strategic … Although it is known that size is an important parameter in suppression effectiveness, a quantitative understanding as … findings are applicable to fire suppression by aerosols in general. …

Spin-on Nanoparticle Tin Oxide for Microhotplate Gas Sensors

June 1, 2001
Author(s)
Richard E. Cavicchi, R M. Walton, M I. Aquino-Class, J D. Allen, B. Panchapakesan
… lower recovery times. Tests comparing the response in saturated humid air and dessicated dry air show that … with no evident poisoning of the sensor was observed in a run lasting 120 hours consisting of methanol and ethanol … highly sensitive, device that is fabricated using planar technology. …

Physical and Chemical Aspects of Fire Suppression in Extraterrestrial Environments

May 22, 2001
Author(s)
Fumiaki Takahashi, Gregory T. Linteris, Vishwanath R. Katta
… A fire, whether in a spacecraft or in occupied spaces on extraterrestrial bases, can lead to … little research has been conducted on fire suppression in the microgravity or reduced- gravity environment. The … Physical and Chemical Aspects of Fire Suppression in Extraterrestrial Environments …

Recent Advances in Flame Retardant Polymer Nanocomposites

January 22, 2001
Author(s)
Jeffrey W. Gilman, Takashi Kashiwagi, A B. Morgan, Richard H. Harris Jr., L D. Brassell, W H. Awad, Rick D. Davis, L Chyall, T E. Sutto, Paul C. Trulove, H DeLong
… recently focused on use of mica-type clays nano-dispersed in commodity polymers. These "nanocomposites" exhibit the unusual combination of reduced flammability, in the form of lower peak heat release rates, and improved … used in flame retarded applications such as information technology (IT) equipment. The most important aspect of the …

NIST Mechanisms for Disseminating Measurements

January 1, 2001
Author(s)
T E. Gills, S Dittmann, Georgia L. Harris, C S. Brickenkamp, J R. Rumble, N M. Trahey
… predecessor of the National Institute of Standards and Technology, began providing the Nation with measurement artifacts and instruments in 1901 when the Office of Weights and Measures became part … physical artifacts, NBS standard samples, were issued in 1906 for limestone and cast iron. Less than 100 years …

Statistics and Measurements

January 1, 2001
Author(s)
C M. Croarkin
… Engineering Division (SED) has been instrumental in the success of a broad spectrum of metrology projects at … statisticians to statistics and to measurement science and technology. Published methods developed by SED staff, … early years, endure ascornerstones of statistics not only in metrology and standards applications, but as data-analytic …

Epitaxial Si-Based Tunnel Diodes

December 1, 2000
Author(s)
P E. Thompson, K D. Hobart, M E. Twigg, S L. Rommel, N Jin, P R. Berger, R Lake, A C. Seabaugh, P Chi, David S. Simons
… Tunneling devices in combination with transistors offer a way to extend the … spacer layer, and an n + layer formed by Sb delta doping. In the n-on-p configuration, low temperature epitaxy (300 C - … minimize the effect of dopant segregation and diffusion. In the p-on-n configuration, a combination of growth …

Rotating-Wheel Braille Display Provides Low-Cost Accessibility to Electronic Books

September 5, 2000
Author(s)
John W. Roberts, V R. McCrary
… We have developed a new technology to reduce the cost of Braille-based information … Millions of blind and visually impaired people in the US (and far higher numbers worldwide) need some form … as 3 to 4 actuators for the entire display. Our objective in undertaking this project was to find a new approach to …

Calibrating an Active Network Node

September 1, 2000
Author(s)
Y Carlinet, V Galtier, Kevin L. Mills, Stefan D. Leigh, Andrew L. Rukhin
… tive Network technology envisions deployment of virtual execution … have a meaningful understanding of resource requirements - in terms of bandwidth, memory, and processing. To express the processing requirements in a platform independent manner, we are developing a model …

Strength Evaluation of Connectors for Intermodal Containers

August 1, 2000
Author(s)
Hai S. Lew, Fahim Sadek, E D. Anderson
… Intermodal containers are used widely in marine cargo handling. In order to facilitate unloading of empty containers from … (OSHA) to request the National Institute of Standards and Technology (NIST) to study the suitability of the use of of …

Surface Morphology Variations in MALDI-TOF-Mass Spectrometry Samples Prepared by Various Techniques Examined by Scanning Electron Microscopy

June 1, 2000
Author(s)
William R. Blair, Charles M. Guttman, A A. Guiseppetti
… interest at NIST (National Institute of Standards and Technology) in producing MALDI (Matrix Assisted Laser … after electrospray demonstrated a clear superiority in producing samples with reduced signal intensity … Surface Morphology Variations in MALDI-TOF-Mass Spectrometry Samples Prepared by Various …

Development of a Heteroplasmic Mitochondrial DNA Standard Reference Material for Detection of Heteroplasmy and Low Frequency Mutations

February 1, 2000
Author(s)
L A. Tully, Frederick P. Schwarz, Barbara C. Levin
… The National Institute of Standards and Technology (NIST) is developing a heteroplasmic human … examining low frequency mutations or heteroplasmic sites in DNA. The detection of a mutation or polymorphism that is present in every mtDNA molecule is routine. However, in many cases, …

Second Intercomparision of Radiation Temperature Scales Among Four National Metrological Laboratories Using a Transfer Standard Radiation Thermometer

January 1, 2000
Author(s)
F Sakuma, H Sakate, Graham Machin, J Fischer, Charles E. Gibson, B. Carol Johnson
… NRLM with the National Institute of Standards and Technology (NIST), National Physical Laboratory (NPL), IMGC … Italy) and (Physikalisch- Technische Bundesanstalt (PTB) in 1993. The purpose was to assess the mutual equivalence of … established by the various national standards laboratories in the high-temperature range above 1000 C. The peak-to-peak …

Microhotplate Gas Sensor Arrays

November 18, 1999
Author(s)
Richard E. Cavicchi, Stephen Semancik, R M. Walton, B Panchapakesan, Don L. DeVoe, M I. Aquino-Class, J D. Allen, John S. Suehle
… In this work, micromachining and planar processing has been … device platform is a microhotplate, consisting of a built-in heater, thermometer, and electrodes to probe the sensing … and signal amplification. Millisecond temperature changes in the range of 20 degrees C to over 500 degrees C are …

The NIST Calibration Services Virtual Library

July 11, 1999
Author(s)
Sally S. Bruce, W Trefzger
… The National Institute of Standards and Technology (NIST) offers a variety of hundreds of calibration … measurements. Most NIST calibration services are described in official NIST publications as part of the NIST Special … so customers can understand and evaluate the services.In order to provide our customers with convenient access to …

Modern Wavelength Standards in the Ultraviolet and Vacuum Ultraviolet

July 1, 1999
Author(s)
Joseph Reader, Craig J. Sansonetti
… In recent work at the National Institute of Standards and … mercury pencil-type lamps are convenient for use either in the laboratory or the field. We recommend wavelengths for … Modern Wavelength Standards in the Ultraviolet and Vacuum Ultraviolet …

Symposium on Computer-Supported Cooperative Work

June 1, 1999
Author(s)
Kevin L. Mills
… of CSCW holds particular alience for the U.S. military. In the context of a military setting, the paper describes … After discussing the military needs for collaboration technology, the paperI briefly outlines the motivation for a … and Visualization, sponsored the work reported in this symposium. …

New Certified Length Scale for Microfabrication Metrology

September 1, 1996
Author(s)
James E. Potzick
… The National Institute of Standards and Technology is developing a dimensional pitch standard … it consists of symmetrical nested linear pitch patterns in decade ranges printed in one direction on a quartz microscope slide. The array of … Proceedings of SPIE, Microlithography and Metrology in Micromachining II, Michael T. Postek, Jr., Craig R. …

Inhibition of Premixed Methane-Air Flames by Halon Alternatives

September 10, 1995
Author(s)
Gregory T. Linteris, L Truett
… article describes the first measurements of the reduction in burning rate of premixed methane-air flames inhibited by … developed at the National Institute of Standards and Technology (NIST). …

Experiences with Heterogeneous-Platform CD-ROM

January 1, 1991
Author(s)
Sanford P. Ressler
… The CD-ROM is intended to be used by individuals involved in the development of formal product data standards. Known as … of hypertext and multimedia technologies to standards in general. The CD-ROM contains software for perusing the … assembled that can be of use to the technical participants in the STEP standard''s development. The production of the …
Displaying 12151 - 12175 of 13225
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